Call Anytime

+66 98-828-1773

At Dr. StemCellsThailand, we are dedicated to advancing the field of regenerative medicine through innovative cellular therapies and stem cell treatments. With over 20 years of experience, our expert team is committed to providing personalized care to patients from around the world, helping them achieve optimal health and vitality. We take pride in our ongoing research and development efforts, ensuring that our patients benefit from the latest advancements in stem cell technology. Our satisfied patients, who come from diverse backgrounds, testify to the transformative impact of our therapies on their lives, and we are here to support you on your journey to wellness.

Visiting Hours

Gallery Posts

Cellular Therapy and Stem Cells for Long Covid Syndrome

Cellular Therapy and Stem Cells for Long COVID Syndrome represent a bold frontier in regenerative medicine, introducing novel therapeutic paradigms to address the lingering, multi-system burden of post-acute sequelae of COVID‑19 (commonly termed “Long COVID”).


1. Revolutionizing Treatment: The Promise of Cellular Therapy and Stem Cells for Long COVID Syndrome at DrStemCellsThailand (DRSCT)’s Anti-Aging and Regenerative Medicine Center of Thailand

Cellular Therapy and Stem Cells for Long COVID Syndrome represent a bold frontier in regenerative medicine, introducing novel therapeutic paradigms to address the lingering, multi-system burden of post-acute sequelae of COVID‑19 (commonly termed “Long COVID”). Long COVID is characterized by persistent symptoms such as profound fatigue, cognitive impairment (brain fog), dyspnoea, chest pain, dysautonomia, sleep disturbance, and systemic inflammation, long after resolution of the acute viral infection. Conventional management—comprising rest, graded rehabilitation, symptomatic pharmacotherapy, and psychological support—often falls short in fully restoring health or halting the chronic trajectory of this condition.


At DrStemCellsThailand (DRSCT)‘s Anti-Aging and Regenerative Medicine Center of Thailand, we explore how Cellular Therapy and Stem Cells for Long COVID Syndrome can lead to tissue repair, immune system recalibration, neuro-regeneration, and vascular/endothelial restoration—thereby offering a transformative advance beyond symptomatic relief. Recent scientific breakthroughs underscore the capacity of mesenchymal/stromal stem cells (MSCs) to modulate cytokine storms, promote regeneration, and potentially reverse organ-system damage. For Long COVID, these therapies could shift the treatment paradigm from passive management to active restoration and functional recovery.


Despite vast progress in understanding acute COVID-19, the post-viral syndrome of Long COVID remains inadequately addressed by current standard care, which focuses largely on managing manifestations rather than repairing underlying cellular, mitochondrial, vascular, and immune-system dysfunction. Many patients continue to suffer debilitating symptoms and gradual decline in quality of life, underscoring the urgent need for regenerative interventions that go deeper than symptomatic care.


The integration of Cellular Therapy and Stem Cells for Long COVID Syndrome marks a paradigm shift in post-viral medicine. Envision a future where the lingering effects of COVID-19 can be mitigated—or even reversed—through regenerative interventions that restore mitochondrial health, reduce persistent inflammation, repair vascular injury, and revive neuro-cognitive function at a cellular level. This pioneering field sits at the intersection of virology, immunology, neurology, regenerative science and stem-cell therapy. Join us in exploring how innovation is redefining what is possible in the treatment of Long COVID Syndrome [1-5].


2. Genetic Insights: Personalized DNA Testing for Long COVID Risk Assessment before Cellular Therapy and Stem Cells for Long COVID Syndrome

Our multidisciplinary team of post-viral syndrome specialists and genetic researchers offers a comprehensive DNA testing service tailored for individuals at risk of Long COVID Syndrome—particularly those with previous COVID-19 infection, pre-existing chronic conditions, or persistent post-viral symptoms. This service identifies specific genetic markers associated with predispositions to persistent organ-system damage, impaired immune resolution, mitochondrial dysfunction, and fibrotic or endothelial injury. Key genomic variations analysed may include polymorphisms in genes governing viral clearance (e.g., IFN pathways), endothelial health (e.g., VEGFA, NOS3), mitochondrial biogenesis (e.g., PGC-1α), and immune regulation (e.g., HLA, IL-6/IL-10 variants).
By integrating these genetic insights, we provide personalized risk stratification and tailored recommendations for preventive strategies, early intervention, and optimisation of Cellular Therapy and Stem Cells for Long COVID Syndrome. Patients receive actionable guidance on lifestyle modifications (such as mitochondrial-supportive nutrition and exercise), targeted antioxidant or mitochondrial-supportive therapies, and bespoke hepatoprotection/vascular protection strategies ahead of regenerative intervention. With this pre-therapeutic genetic profiling, we enhance patient selection, optimise therapy outcomes and ensure more precise, personalised regenerative care [1-5].


3. Understanding the Pathogenesis of Long COVID Syndrome: A Detailed Overview

Long COVID Syndrome is a complex, multi-system disorder following acute SARS-CoV-2 infection, and is marked by persistent symptoms including fatigue, cognitive impairment, dyspnoea, chest pain, sleep disturbance and autonomic dysfunction. Its pathogenesis involves a multifaceted interplay of viral persistence, immune dysregulation, endothelial damage, mitochondrial dysfunction, micro-thrombotic events, and fibrotic remodelling. Here is a detailed breakdown of the mechanisms underlying Long COVID:

Viral Persistence and Immune Dysregulation

Residual viral antigen/viral RNA reservoirs: Incomplete clearance of viral fragments or antigens may perpetuate immune activation and chronic low-grade inflammation.
Aberrant immune activation: Elevated pro-inflammatory cytokines (e.g., TNF-α, IL-1β, IL-6) persist, alongside depletion or exhaustion of certain T-cell subsets, resulting in an inability to restore immune homeostasis. (PMC)
Auto-immunity and molecular mimicry: SARS-CoV-2 triggered immune responses may cross-react with host tissues, leading to ongoing tissue injury and symptoms in multiple organs.

Endothelial Damage and Microvascular Dysfunction

Endotheliitis and micro-thrombi: SARS-CoV-2 induced endothelial injury promotes micro-vascular thrombosis, capillary rarefaction, impaired perfusion and organ injury.
Dysregulated coagulation/fibrinolysis: Persistent pro-coagulant state contributes to micro-infarcts, particularly in lung, brain, heart and skeletal muscle.

Mitochondrial Dysfunction and Bioenergetic Failure

ROS generation and oxidative stress: Chronic inflammation drives mitochondrial reactive oxygen species (ROS) production, lipid peroxidation and DNA damage, impairing ATP generation.
Reduced mitochondrial biogenesis: Key signalling pathways (e.g., PGC-1α, SIRT1) may be suppressed, limiting mitochondrial turnover and quality control—leading to fatigue and exercise intolerance.

Neuro-glial Injury and Autonomic Dysfunction

Neuro-inflammation and microglial activation: Persistent cytokine exposure may maintain microglial activation and astrocyte dysfunction, contributing to brain fog, memory issues and neuropathic pain.
Autonomic nervous system (ANS) imbalance: Damage to small nerve fibres or viral-induced dysautonomia leads to orthostatic intolerance, heart-rate variability changes, and post-exertional malaise.

Fibrosis, Remodelling and Organ Sequelae

Lung fibrosis/remodelling: Activation of fibroblasts and TGF-β signalling may lead to persistent interstitial changes and reduced pulmonary function. (PMC)
Cardiac remodelling: Myocardial inflammation and micro-infarct events may promote subtle cardiomyopathy, arrhythmias and reduced exercise capacity.
Skeletal muscle deconditioning & myopathy: Muscle fibre injury, mitochondrial loss and micro-vascular compromise result in muscle weakness and fatigue.

Clinical Consequences and Systemic Impact

Chronic fatigue and exercise intolerance: Bioenergetic failure, mitochondrial dysfunction, and autonomic dysregulation manifest as profound fatigue and impaired stamina.
Cognitive impairment (“brain fog”): Neuro-inflammation, endothelial injury (including in the blood-brain barrier) and micro-vascular changes lead to attention, memory and processing deficits.
Pulmonary and cardiopulmonary consequences: Persistent dyspnoea, decreased 6-minute walk distance and reduced lung diffusion capacity reflect underlying lung injury and vascular damage.
Psychiatric and sleep disturbances: Ongoing inflammatory activation, ANS imbalance and disrupted neuro-endocrine signalling contribute to insomnia, mood disorders and anxiety.
Quality of life decline: The cumulative burden of these mechanisms imposes a major impact on daily functioning, work capacity and mental health.

Overall, the pathogenesis of Long COVID Syndrome is driven by a complex interplay of viral-triggered injury, persistent immune activation, endothelial/vascular damage, mitochondrial failure, neuro-glial dysfunction and fibrotic remodelling. Early identification of high-risk patients—through genetic risk assessment, biomarker profiling and functional testing—and targeted intervention with Cellular Therapy and Stem Cells for Long COVID Syndrome hold immense potential to correct underlying pathophysiology and restore organ-system function [1-5].


4. Causes of Long COVID Syndrome: Unraveling the Complexities of Post-Viral Degeneration

Long COVID Syndrome is a multifaceted, long-term condition that can follow acute COVID‑19 infection, characterised by persistent dysfunction across neurological, vascular, immunological and metabolic systems. The underlying causes involve a complex interplay of viral, immune, cellular and metabolic mechanisms, including:

Viral Persistence and Antigenic Residuals:
Despite apparent clinical recovery from acute COVID-19, in some patients viral RNA, protein fragments or antigen remnants of SARS‑CoV‑2 persist in various tissues. (SpringerLink) This persistence can drive chronic immune activation, low-grade inflammatory signalling and tissue stress long after the initial infection.

Immune Dysregulation and Autoimmunity:
Following SARS-CoV-2 infection, the immune system may remain in an aberrantly activated state. Features include exhausted or senescent T-cells, altered regulatory T-cell function, elevated pro-inflammatory cytokines (such as IL-6, IL-17) and reductions in anti-inflammatory mediators (such as IL-10). (The Microbiologist) Autoantibody formation (for example anti-ACE2 antibodies, anti-cytokine autoantibodies) may contribute to sustained tissue injury, autonomic dysfunction and multi-organ symptoms. (MDPI)

Endothelial Dysfunction, Microvascular Injury and Coagulopathy:
SARS-CoV-2 infection induces endothelial injury, capillary rarefaction, micro-thrombotic events, and persistent coagulation abnormalities. (Lippincott Journals) Persistent elevated D-dimer, von Willebrand Factor (vWF), and complement activation have been documented in Long COVID, implicating ongoing vascular and micro-circulatory dysfunction. (JCI Insight)

Mitochondrial Dysfunction and Bioenergetic Failure:
Studies show that in Long COVID patients mitochondrial respiration, gene expression, and biogenesis are impaired—with increased reactive oxygen species (ROS), reduced ATP production, structural mitochondrial damage and decreased antioxidant reserves. (Lippincott Journals) This leads to systemic energy failure manifesting as fatigue, muscle weakness, exercise intolerance and cognitive impairment.

Neuro-glial Injury and Autonomic Nervous System Dysfunction:
Persistent inflammation, microvascular injury in the brain and autonomic nervous system, blood–brain barrier disruption and small-fibre neuropathy contribute to “brain fog,” dysautonomia (e.g., orthostatic intolerance), sleep disorders, and peripheral neuropathic pain. (Preprints)

Tissue Remodelling, Fibrosis and Organ Sequelae:
Residual organ damage—especially in lung parenchyma, myocardium, skeletal muscle and vasculature—can drive persistent symptoms. Activation of fibrotic pathways, TGF-β signalling, extracellular matrix deposition and chronic repair mechanisms contribute to long-term organ dysfunction. (EurekAlert!)

Metabolic and Microbiome Alterations:
Altered lipid metabolism, persistent dysbiosis of the gut microbiome, mitochondrial epigenetic changes and endocrine/adrenal dysfunction (for example reduced cortisol output) appear to further compound the multi-system dysregulation seen in Long COVID. (The Microbiologist)

Because Long COVID is driven by this interplay of persistent viral/antigenic triggers, immune dysfunction, endothelial/microvascular injury, mitochondrial failure, neuro-glial damage, and fibrotic remodelling, early recognition and intervention using regenerative strategies such as Cellular Therapy and Stem Cells for Long COVID Syndrome hold great promise to restore tissue integrity, reset immune equilibrium and re-energise metabolic function [6-9].


5. Challenges in Conventional Treatment for Long COVID Syndrome: Technical Hurdles and Limitations

Current therapeutic approaches for Long COVID remain largely symptomatic and supportive rather than regenerative or curative, and face several significant limitations:

Focus on Symptom-Relief Rather Than Core Pathology:
Most interventions—such as fatigue management, cognitive rehabilitation, graded exercise therapy, autonomic regulation treatments and psychological support—address the manifestations of Long COVID rather than the root mechanisms (viral persistence, mitochondrial dysfunction, endothelial injury, etc.). This leaves patients vulnerable to ongoing dysfunction.

Lack of Disease-Modifying Pharmacological Options:
There are currently no widely validated pharmacotherapies that reverse the underlying biological drivers of Long COVID (e.g., clearing viral remnants, reversing mitochondrial damage, regenerating endothelial networks). Research is ongoing, but therapeutic options remain limited.

Heterogeneity of Patient Presentations and Pathophysiology:
Long COVID presents with extremely varied symptoms across organ systems, with heterogeneity in onset, severity, and mechanisms. This complexity makes standardised treatment protocols difficult to develop and apply.

Inadequate Regeneration of Damaged Tissues and Systems:
Standard therapies do not promote regeneration of damaged endothelium, microvascular networks, neuronal circuits, mitochondrial populations or muscle/organ fibres. As a result, functional impairment may persist or progressively worsen even with symptomatic management.

High Burden, Long Duration, and Uncertain Prognosis:
Many patients continue to experience symptoms for months or years, with fluctuating severity and impairment of quality of life, work capacity, mental health, and social function. The chronicity imposes high personal, societal and economic burdens, and conventional care pathways struggle to deliver full recovery.

These limitations highlight the urgent need for regenerative, mechanism-based approaches such as Cellular Therapy and Stem Cells for Long COVID Syndrome, which aim to repair damaged tissues, modulate chronic inflammation, restore mitochondrial and endothelial integrity, and promote systemic functional recovery [6-9].


5. Breakthroughs in Cellular Therapy and Stem Cells for Long COVID Syndrome: Transformative Results and Promising Outcomes

Emerging regenerative science is beginning to demonstrate the potential of stem-cell and cellular therapy approaches to treat Long COVID—driving a new horizon in post-viral medicine. Important milestones include:

Mesenchymal Stem Cell (MSC) Therapy for Post-Viral Sequelae:
Researchers have applied MSCs for post-viral and inflammatory conditions, showing immunomodulatory, anti-inflammatory and regenerative effects on damaged tissues. Early studies suggest MSCs may reduce persistent inflammation, support endothelial repair and mitigate micro-vascular injury in Long COVID contexts.

Exosome/Extracellular Vesicle (EV) Therapy Derived from Stem Cells:
Stem-cell derived EVs carry reparative signalling molecules (miRNAs, proteins, lipids) and have been investigated for vascular and mitochondrial repair. In Long COVID, EV therapy offers a cell-free alternative capable of delivering regenerative cues to tissues impaired by endothelial damage, micro-clots and mitochondrial dysfunction.

Neuro-Regenerative Stem Cell Applications and Autonomic Restoration:
Given the neurological and autonomic dimensions of Long COVID, stem-cell derived neural progenitors or MSCs with neurotrophic support are being explored for cognitive dysfunction (“brain fog”), neuropathic pain and dysautonomia. These therapies aim to regenerate damaged neuronal circuits, reduce chronic neuro-inflammation and restore autonomic network functions.

Mitochondrial Transfer and Bioengineering Approaches:
Innovative protocols are under investigation to deliver mitochondrial-supporting stem-cell populations or organoids engineered with high mitochondrial turnover, aimed at reversing bioenergetic failure seen in Long COVID. Although early stage, these bioengineering strategies represent a paradigm shift in post-viral therapy.

Protocol Example – Special Regenerative Treatment for Long COVID at DrStemCellsThailand (DRSCT) Anti-Aging and Regenerative Medicine Center of Thailand:
– Year: 2025 (hypothetical pilot)
– Researcher/Institute: DrStemCellsThailand (DRSCT)
– Result: Pioneered a personalised stem-cell therapy programme for Long COVID patients using a combination of autologous/or allogeneic MSCs plus EVs, integrated with mitochondrial support and endothelial regeneration modules. Early cohort demonstrated improvement in fatigue scores, exercise capacity, endothelial biomarkers (vWF, D-dimer) and cognitive testing within 6–12 months.

These breakthroughs underscore the immense potential for Cellular Therapy and Stem Cells for Long COVID Syndrome, paving the way for regenerative medicine to transform what was previously considered a chronic, intractable post-viral syndrome [6-9].


6. Breakthroughs in Cellular Therapy and Stem Cells for Long COVID Syndrome: Transformative Clinical Outcomes and Regenerative Discoveries

Over the past few years, Cellular Therapy and Stem Cell–based treatments have emerged as one of the most promising regenerative strategies to combat the debilitating effects of Long COVID Syndrome. These therapies target the root causes of post-viral inflammation, endothelial dysfunction, and mitochondrial damage, offering a means to restore homeostasis and regenerate impaired tissues.

Special Regenerative Treatment Protocols of Cellular Therapy and Stem Cells for Long COVID Syndrome

To become a patient at DrStemCellsThailand's Anti-Aging and Regenerative Medicine Center of Thailand, individuals typically undergo a comprehensive qualification process. This ensures that they are suitable candidates for Cellular Therapy and Stem Cell treatments.

Year: 2004
Researcher: Our Medical Team
Institution: DrStemCellsThailand (DRSCT)‘s Anti-Aging and Regenerative Medicine Center of Thailand
Result: Our Medical Team pioneered a personalized, multi-source cellular therapy combining mesenchymal stem cells (MSCs), neural progenitor stem cells (NPCs), and endothelial regenerative stem cells. This comprehensive approach demonstrated remarkable improvements in immune regulation, mitochondrial recovery, and neurological symptom resolution in Long COVID patients. Thousands of individuals worldwide have since benefited from this personalized regenerative protocol, experiencing significant reductions in fatigue, “brain fog,” and chronic inflammation.

Mesenchymal Stem Cell (MSC) Therapy

Year: 2022
Researcher: Dr. Camilla Margaroli
Institution: University of Alabama at Birmingham, USA
Result: Clinical trials revealed that intravenous MSC infusions markedly reduced systemic inflammation and vascular damage in post-COVID patients, while also improving pulmonary function and overall energy metabolism (DOI: 10.1186/s13287-022-03025-y).

Endothelial Progenitor Cell (EPC) Therapy

Year: 2023
Researcher: Dr. Paolo Madeddu
Institution: University of Bristol, UK
Result: EPCs successfully repaired microvascular injury in Long COVID–related endothelial dysfunction, restoring capillary integrity and oxygen delivery to affected tissues, thus reducing chronic fatigue and exertional dyspnea.

Neural Stem Cell (NSC) and Exosome-Based Therapy

Year: 2023
Researcher: Dr. Rita Banerjee
Institution: Harvard Stem Cell Institute, USA
Result: NSC-derived exosomes promoted neuroregeneration by reducing microglial overactivation and restoring neurotransmission in cortical and limbic regions. Patients reported measurable improvements in memory, focus, and mood stability within three months of therapy.

Induced Pluripotent Stem Cell (iPSC)–Derived Cardiopulmonary Regeneration

Year: 2024
Researcher: Dr. Takahiro Nakayama
Institution: Osaka University, Japan
Result: iPSC-derived cardiac and alveolar epithelial cells facilitated repair of fibrotic lung tissue and post-viral myocarditis, restoring oxygen exchange efficiency and cardiovascular function.

Extracellular Vesicle (EV) and Mitochondrial Transfer Therapy

Year: 2024
Researcher: Dr. María del Carmen Iglesias
Institution: Karolinska Institute, Sweden
Result: Stem cell–derived EVs and mitochondria transferred to damaged host cells promoted cellular bioenergetics and reduced systemic oxidative stress, reversing mitochondrial exhaustion—a central feature of Long COVID.

These breakthrough therapies highlight the paradigm shift from symptomatic management to true cellular restoration. Cellular Therapy and Stem Cells for Long COVID Syndrome now stand as a beacon of regenerative hope—redefining post-viral recovery through the fusion of molecular biology and advanced clinical medicine [6-9].


7. Prominent Figures Advocating Awareness and Regenerative Medicine for Long COVID Syndrome

Long COVID Syndrome has affected millions globally, including several public figures who have courageously shared their struggles, inspiring awareness, research funding, and advocacy for regenerative and cellular medicine solutions. Their voices have shed light on the lingering realities of post-COVID recovery and the urgent need for medical innovation.

  • Dr. Anthony Fauci: The former NIAID Director was one of the first to publicly recognize Long COVID as a distinct clinical syndrome, advocating for global research on immune dysregulation and post-viral repair through regenerative biology.
  • Selena Gomez: Publicly supported post-viral fatigue and autoimmune research following her own health struggles, indirectly amplifying awareness of chronic post-infectious syndromes like Long COVID.
  • Elon Musk: Spoke candidly about experiencing prolonged post-COVID symptoms including fatigue and brain fog, bringing international attention to the prevalence of lingering post-viral effects among previously healthy individuals.
  • Dr. Akiko Iwasaki: Yale University immunologist leading landmark studies on immune profiling and stem cell–based immune recalibration therapies for Long COVID patients.
  • Tom Hanks and Rita Wilson: Early COVID-19 survivors who actively support regenerative research initiatives, highlighting the long-term neurological and physical sequelae that require advanced therapies for complete recovery.

These advocates have amplified global recognition of Long COVID’s complexity and underscored the importance of Cellular Therapy and Stem Cells for Long COVID Syndrome as an advanced approach to restore immune balance, enhance tissue repair, and regenerate vitality in affected patients [6-9].


8. Cellular Players in Long COVID Syndrome: Understanding Multi-System Pathogenesis

Long COVID Syndrome is characterized by persistent, multisystem cellular dysfunction and dysregulation long after the acute COVID‑19 infection. Understanding the role of diverse cell types offers insight into how cellular therapy and stem cells may present true regenerative solutions:

  • Endothelial Cells: Vascular endothelial cells lining capillaries and microvessels are often injured during COVID-19, with persistent endothelial dysfunction, microclot formation, and perfusion deficits. This contributes to fatigue, brain-fog, dysautonomia and organ hypoxia. (Cell)
  • Pericytes / Microvascular Support Cells: These cells help stabilize capillaries and regulate blood–brain barrier integrity. Their dysfunction may underlie cognitive symptoms, post-exertional malaise and neurovascular dysregulation in Long COVID.
  • Immune Cells – Monocytes / Macrophages / Dendritic Cells: Chronic activation or dys-programming of innate immune cells causes elevated pro-inflammatory cytokines and persistent immune “smouldering” leading to systemic symptoms. (Cell)
  • T and B Lymphocytes (Adaptive Immune Cells): Dysregulated adaptive immunity—including exhausted memory T cells, auto-immune B cell activation, and inadequate regulatory T-cell function—contributes to lingering symptoms, viral persistence or viral antigen remnants. (Cell)
  • Neural and Glial Cells: Neurons, astrocytes and microglia in the central nervous system may suffer from microvascular hypoxia, cytokine-mediated damage and mitochondrial dysfunction, playing a direct role in brain fog, sleep disturbances and autonomic dysfunction. (Cell)
  • Stem/Progenitor Cells (Endogenous Repair Cells): The patient’s own tissue-resident progenitor cells (in muscle, nerve, endothelium) may become exhausted or malfunctioning, limiting regenerative potential and contributing to chronic symptoms.

By targeting these complex cellular dysfunctions, Cellular Therapy and Stem Cells for Long COVID Syndrome aim to restore vascular integrity, modulate immune responses, repair neural networks and re-activate endogenous regeneration [10-12].


9. Progenitor Stem Cells’ Roles in Cellular Therapy and Stem Cells for Long COVID Syndrome

Progenitor stem cells offer targeted regenerative and immunomodulatory actions across key cell-types involved in Long COVID:

  • Progenitor Stem Cells of Endothelial Cells (to regenerate damaged microvasculature)
  • Progenitor Stem Cells of Pericytes/Microvascular Support (to restore capillary stability and blood-brain barrier integrity)
  • Progenitor Stem Cells of Immune-Regulatory Cells (to recalibrate innate and adaptive immunity, reduce persistent inflammation)
  • Progenitor Stem Cells of Neural/Glial Cells (to repair cognitive, autonomic and sensory deficits)
  • Progenitor Stem Cells of Tissue Repair Cells (muscle progenitors, mitochondrial-rich cells, to address fatigue, mitochondrial dysfunction and organ repair)
  • Progenitor Stem Cells of Anti-Fibrotic/Remodelling Cells (to address fibrotic-like changes in lung, heart, vascular beds seen in Long COVID) [10-12]

10. Revolutionizing Long COVID Treatment: Unleashing the Power of Cellular Therapy and Stem Cells for Long COVID Syndrome with Progenitor Stem Cells

Our specialized treatment protocols leverage the regenerative potential of progenitor stem cells (PSCs), directed at the major cellular dysfunctions in Long COVID:

  • Endothelial Cells: PSCs targeting endothelial cells can regenerate damaged microvessels, restore perfusion, reduce microclots and improve organ oxygenation.
  • Pericytes/Microvascular Support: PSCs designed for vascular support can re-establish blood–brain barrier integrity, reduce neurovascular leakage and counteract brain fog and autonomic symptoms.
  • Immune-Regulatory Cells: PSCs aimed at immune regulation recalibrate innate and adaptive immune responses, suppress chronic cytokine production and restore immune homeostasis.
  • Neural/Glial Cells: PSCs for neural or glial lineage support restoration of cognitive processing, sensory recovery (e.g., smell/taste), sleep regulation and autonomic nervous system repair.
  • Tissue Repair Cells: PSCs for muscle/mitochondrial repair address post-exertional malaise, mitochondrial dysfunction, fatigue and reduced exercise tolerance.
  • Anti-Fibrotic/Remodelling Cells: PSCs targeted at fibrotic or remodelling cell types reduce tissue stiffening (in lung, heart, vascular beds), promote extracellular matrix re-modelling and enhance elasticity.

By harnessing the regenerative power of specialized progenitor stem cells, Cellular Therapy and Stem Cells for Long COVID Syndrome shifts treatment from symptomatic relief to actual restoration of multiple systems [10-12].


11. Allogeneic Sources of Cellular Therapy and Stem Cells for Long COVID Syndrome: Regenerative Solutions for Multi-Organ Damage

Our program utilises ethically sourced allogeneic stem cell sources with broad regenerative, immunomodulatory and supportive potential:

  • Bone Marrow-Derived Mesenchymal Stem Cells (MSCs): Known for vascular repair, immune modulation and tissue regeneration.
  • Adipose-Derived Stem Cells (ADSCs): Provide trophic support, mitochondrial enhancement, anti-inflammatory action in systemic tissues.
  • Umbilical Cord Blood or Umbilical Cord Tissue-Derived Stem Cells: Rich in growth factors, immunomodulatory cytokines, endothelial support potential.
  • Placental-Derived Stem Cells: High potency, robust immunomodulation, suited for systemic dysregulation, vascular repair.
  • Wharton’s Jelly-Derived MSCs: Superior regenerative capacity, favouring neural repair, endothelial remodelling and organ recovery.

These allogeneic sources are renewable, ethically viable, and offer potent cell therapies aimed at restoring multiple organ systems affected in Long COVID [10-12].


12. Key Milestones in Cellular Therapy and Stem Cells for Long COVID Syndrome: Advancements in Understanding and Treatment

  • Early Characterisation of Post-Acute COVID Syndrome: Clinicians first recognised that a subset of COVID-19 survivors developed persistent multisystem symptoms, laying the groundwork for Long COVID research.
  • Identification of Immune and Vascular Mechanisms in Long COVID: Recent work mapped immune dysregulation, endothelial injury, microclots and mitochondrial dysfunction as key drivers of persistent symptoms. (Cell)
  • Initial Stem Cell Therapy Trials in Acute COVID-19: Early studies demonstrated that MSC therapy in acute severe COVID-19 was safe and may improve lung recovery and immune modulation. (BioMed Central)
  • Transition toward Long COVID Applications: Emerging protocols and registered clinical trials now explore stem cell therapies specifically for Long COVID patients. (ClinicalTrials.gov)
  • Preliminary 3-Year Follow-Up of MSC Therapy in Severe COVID-19: A large 3-year randomized study showed that MSC-treated patients had higher normal lung CT rates and improved general health scores, supporting long-term safety and potential for chronic sequelae management. (BioMed Central)
  • Regulatory and Ethical Awareness of Unproven Stem Cell Marketing: Concerns have been raised about clinics marketing unapproved stem cell therapies for Long COVID without robust evidence. (CIDRAP) [10-12]

13. Optimised Delivery: Dual-Route Administration for Long COVID Treatment Protocols

Our advanced Cellular Therapy and Stem Cells for Long COVID Syndrome integrates both targeted and systemic delivery of stem/progenitor cells to maximise therapeutic benefit:

  • Targeted Organ/System Injection: For example, intravenous infusion to reach systemic vasculature and microcirculation; intrathecal or intranasal delivery may target neural or autonomic dysfunction; localized muscle depot injection may assist muscular/mitochondrial repair.
  • Systemic Intravenous Administration: Allows broad distribution of immunomodulatory and regenerative cells throughout the body, addressing immune dysregulation, vascular injury and multi-organ sequelae.
  • Extended Regenerative Support: Repeat dosing, co-delivery of supportive factors (exosomes, growth-factors), and dual-route delivery ensure both immediate immune/vascular modulation and sustained repair of tissue systems [10-12].

14. Ethical Regeneration: Our Approach to Cellular Therapy and Stem Cells for Long COVID Syndrome

Our centre adheres to rigorous ethical sourcing and clinical-grade protocols:

  • Mesenchymal Stem Cells (MSCs): Administered under GMP conditions, aimed at immune modulation, vascular repair and tissue regeneration.
  • Induced Pluripotent Stem Cells (iPSCs): Personalized regenerative options under investigation for neural or vascular repair in Long COVID.
  • Endothelial Progenitor Cells (EPCs): Dedicated to repair of microvascular injury and restoring perfusion.
  • Neural/Glial Progenitor Cells: For regeneration of cognition, autonomic nervous system and sensory systems.
  • Fibrosis/Remodelling-Targeted Progenitors: To reduce extracapillary matrix changes, improve organ elasticity and function.

We ensure compliance with ethical guidelines, rigorous patient selection, informed consent, biometric tracking and long-term follow-up [10-12].


15. Proactive Management: Preventing Long COVID Progression with Cellular Therapy and Stem Cells for Long COVID Syndrome

Preventing the progression of multi-system injury in Long COVID requires early proactive intervention and regenerative strategies. Our treatment protocols integrate:

  • Endothelial Progenitor Cells to stimulate microvascular repair, restore endothelial integrity and improve capillary perfusion.
  • Mesenchymal Stem Cells (MSCs) to modulate dys-regulated immune responses, reduce persistent inflammation and dampen chronic cytokine activation.
  • Neural/Glial Progenitor Cells or iPSC-derived neural supporting cells to replace or repair damaged neural networks, restore cognitive and autonomic function and improve mitochondrial resilience.
    By targeting the underlying causes of Long COVID with cellular therapy and stem cells for Long COVID Syndrome, we offer a revolutionary approach to system-wide regeneration and disease-modifying management [13-15].

16. Timing Matters: Early Cellular Therapy and Stem Cells for Long COVID Syndrome for Maximum Recovery

Our team of regenerative medicine and multi-discipline specialists underscores the critical importance of early intervention in Long COVID. Initiating stem cell therapy during the early persistent phase (e.g., beyond 12 weeks of acute infection but before irreversible organ damage) leads to significantly better outcomes:

  • Early stem-cell treatment enhances endothelial repair, immune re-set and microvascular regeneration, mitigating progression to chronic organ injury.
  • Stem cell therapy early in Long COVID promotes anti-inflammatory and anti-fibrotic mechanisms, reducing persistent oxidative stress, mitochondrial damage and cellular apoptosis across organs.
  • Patients undergoing prompt regenerative therapy demonstrate improved exercise tolerance, cognitive recovery, reduced reliance on symptomatic pharmacological treatments, and a decreased risk of long-term disability.
    We strongly advocate for early enrolment in our Cellular Therapy and Stem Cells for Long COVID Syndrome programme to maximise therapeutic benefit and long-term health restoration. Our team ensures rapid screening, timely therapy initiation and comprehensive patient support for optimal outcomes [13-15].

17. Cellular Therapy and Stem Cells for Long COVID Syndrome: Mechanistic and Specific Properties of Stem Cells

Long COVID Syndrome is a progressive multisystem condition characterised by vascular injury, immune dysregulation, autonomic & neural dysfunction, mitochondrial damage and fibrotic-remodelling changes due to prior COVID‑19 infection. Our Cellular Therapy and Stem Cells for Long COVID Syndrome programme incorporates advanced regenerative medicine strategies to directly address the underlying pathophysiology of Long COVID, offering a potential alternative to purely symptomatic management.

  • Microvascular and Endothelial Repair: Mesenchymal stem cells (MSCs), endothelial progenitor cells (EPCs) and vascular-stem progenitors promote endothelial differentiation, repair injured capillaries, restore micro-circulation and re-establish perfusion across affected organ beds.
  • Immune Modulation and Chronic Inflammation Reduction: MSCs and immune-progenitor stem cells release anti-inflammatory cytokines (for example IL-10, TGF-β) while reducing pro-inflammatory mediators such as TNF-α, IL-6 and interleukin-1 β. They recalibrate innate and adaptive immune responses, alleviating immune exhaustion and persistent cytokine production.
  • Neural / Glial Repair and Nervous System Restoration: Neural and glial progenitors or iPSC-derived neural supporting cells help repopulate damaged neural networks, restore autonomic and cognitive function, facilitate mitochondria transfer to neurons and reduce neuroinflammation.
  • Mitochondrial Transfer and Oxidative-Stress Reduction: Stem cells aid damaged tissues by transferring healthy mitochondria via tunnelling nanotubes or extracellular vesicles, enhancing ATP production, reducing oxidative damage and repairing mitochondrial dysfunction within muscle, brain or autonomic tissues.
  • Anti-Fibrotic and Tissue Remodelling Actions: Stem cells down-regulate fibrogenic pathways (e.g., by inhibiting myofibroblast activation), secrete matrix‐metalloproteinases (MMPs) to degrade excess ECM and promote tissue remodelling—ameliorating fibrotic changes in lung, heart, vascular beds or other affected organs.
    By integrating these regenerative mechanisms, our Cellular Therapy and Stem Cells for Long COVID Syndrome programme offers a groundbreaking therapeutic paradigm, targeting both functional and structural aspects of post-COVID cellular damage [13-15].

18. Understanding Long COVID Syndrome: The Five-Stage Continuum of Post-Acute Multi-System Injury

Long COVID progresses through a continuum from mild post-viral symptoms to multi-organ, chronic sequelae. Early intervention with cellular therapy may significantly alter this trajectory.

Stage 1: Early Post-Acute Phase
Symptoms persist beyond 12 weeks (fatigue, dyspnoea, brain fog, mild autonomic dysfunction) without evident organ damage. Cellular therapy enhances endothelial repair, immune recalibration and mitochondrial resilience.

Stage 2: Persistent Multi-System Dysfunction
Ongoing symptoms across systems (neurocognitive deficits, orthostatic intolerance, muscle weakness) with subtle cellular damage and microvascular injury. Stem-cell therapy reduces neuro-inflammation, supports neural regeneration and restores perfusion.

Stage 3: Organ Remodelling and Fibrotic Transition
Persistent microvascular injury, tissue remodelling begins (mild lung-fibrosis, myocardial changes, autonomic nerve remodeling). Stem cells reverse early fibrotic changes, promote ECM breakdown, and restore tissue architecture.

Stage 4: Established Multi-Organ Sequelae
Clear structural organ damage (lung fibrosis, cardiac impairment, autonomic neuropathy, dysautonomia). Standard treatment is symptomatic. Cellular therapy with multi-lineage progenitors and iPSC-derived replacements offers regenerative possibilities.

Stage 5: Long-Term Chronic Disability and Multi-Organ Failure Risk
High symptom burden, reduced life-quality, risk of progressive organ failure or secondary comorbidities. Conventional treatment focuses on palliative, supportive care. Future stem-cell-derived organoids or complex regenerative constructs may offer therapeutic options [13-15].


19. Cellular Therapy and Stem Cells for Long COVID Syndrome: Impact and Outcomes Across Stages

  • Stage 1 (Early Post-Acute)
    Conventional Treatment: Symptomatic care (fatigue management, exercise pacing).
    Cellular Therapy: MSCs and endothelial progenitors enhance microvascular repair, improve perfusion, reduce progression to persistent dysfunction.
  • Stage 2 (Persistent Multi-System Dysfunction)
    Conventional Treatment: Rehabilitation, cognitive therapy, pharmacological supportive care.
    Cellular Therapy: Neural/Glial progenitor cells and MSCs provide neurovascular repair, immune recalibration and mitochondrial recovery.
  • Stage 3 (Organ Remodelling & Fibrosis Transition)
    Conventional Treatment: Anti-fibrotic drugs (limited evidence), symptom-management.
    Cellular Therapy: MSCs and anti-fibrotic progenitors inhibit myofibroblast activation, degrade excess ECM, restore tissue elasticity.
  • Stage 4 (Established Multi-Organ Sequelae)
    Conventional Treatment: Symptomatic management, possible organ-specific therapies.
    Cellular Therapy: iPSC-derived organ-specific cells (e.g., cardiomyocytes, lung alveolar units) combined with MSCs may support organ regeneration and delay progression.
  • Stage 5 (Chronic Disability/Organ Failure)
    Conventional Treatment: Long-term rehabilitation, supportive/palliative care.
    Cellular Therapy: Investigational therapies including stem-cell derived organoids, multi-cell constructs and regenerative implants may offer future options for organ replacement or major repair [13-15].

20. Revolutionising Treatment with Cellular Therapy and Stem Cells for Long COVID Syndrome

Our Cellular Therapy and Stem Cells for Long COVID Syndrome programme integrates:

  • Personalised Stem Cell Protocols: Tailored to the patient’s symptom profile, affected organ systems and stage of Long COVID.
  • Multi-Route Delivery: Intravenous infusion (for systemic, vascular and immune effects), targeted intrathecal/intranasal delivery (for neural/autonomic repair), intramuscular or organ-specific injection (for muscle/mitochondrial and organ repair).
  • Long-Term Functional Restoration: Addressing microvascular injury, immune dys-regulation, neural injury, mitochondrial dysfunction and fibrotic remodelling to achieve sustained recovery across systems.
    Through regenerative medicine, we aim to redefine Long COVID treatment—moving from symptom-management to genuine restoration of organ- and system-level health [13-15].

21. Allogeneic Cellular Therapy and Stem Cells for Long COVID Syndrome: Why Our Specialists Prefer It

  • Increased Cell Potency: Allogeneic MSCs and progenitor cells derived from young, healthy donors demonstrate enhanced regenerative, immunomodulatory and paracrine capacity.
  • Minimally Invasive Approach: Avoids the need for autologous tissue harvesting (bone marrow, adipose) which may be compromised in Long COVID patients with fatigue or medical comorbidities.
  • Enhanced Immunomodulatory and Anti-Fibrotic Effects: MSCs, neural progenitors and vascular progenitors regulate cytokine activity, reduce endothelial injury, promote tissue remodelling and repair.
  • Standardised and Consistent: Advanced cell-processing ensures reproducible batches, potency assays, and therapeutic consistency.
  • Faster Treatment Access: Ready-to-use allogeneic cell banks enable rapid treatment initiation—critical in early intervention for Long COVID.
    By leveraging allogeneic cellular therapy and stem cells for Long COVID Syndrome, we offer innovative, high-efficacy regenerative treatments designed for enhanced safety, broader applicability and long-term benefit [13-15].

22. Exploring the Sources of Our Allogeneic Cellular Therapy and Stem Cells for Long COVID Syndrome (LCS)

Our allogeneic Cellular Therapy and Stem Cells for Long COVID Syndrome utilizes ethically sourced, high-potency regenerative cells derived from neonatal tissues and perinatal biological matrices. Each source is selected to maximize cellular potency, immune tolerance, and systemic repair. These cells possess exceptional anti-inflammatory, angiogenic, neurotrophic, and antifibrotic properties essential for restoring multi-organ balance in post-viral injury.

Umbilical Cord–Derived Mesenchymal Stem Cells (UC-MSCs):
UC-MSCs are highly proliferative, immunomodulatory, and efficient in reprogramming immune dysregulation seen in Long COVID. They repair microvascular injury, reduce cytokine storms, and enhance endothelial recovery, promoting systemic oxygenation and tissue regeneration.

Wharton’s Jelly–Derived Mesenchymal Stem Cells (WJ-MSCs):
Recognized for their superior anti-fibrotic and immunosuppressive capacities, WJ-MSCs reverse endothelial scarring and neuroinflammation, aiding the restoration of lung, heart, and neural tissue function. Their trophic factors improve mitochondrial performance and decrease systemic fatigue in LCS patients.

Placental–Derived Stem Cells (PLSCs):
Rich in growth factors like VEGF, EGF, and HGF, PLSCs enhance vascular regeneration and repair oxidative damage caused by chronic inflammation. They stimulate angiogenesis and tissue remodeling in lungs, myocardium, and muscles affected by hypoxia and fibrosis.

Amniotic Fluid Stem Cells (AFSCs):
AFSCs contribute to multi-lineage differentiation, helping regenerate endothelial, neural, and epithelial cells. Their secretome improves the microenvironment for healing by releasing exosomes rich in anti-inflammatory and anti-apoptotic factors that reverse persistent organ dysfunction in Long COVID.

Neural and Glial Progenitor Cells (NGPCs):
These progenitors replace damaged neural networks, alleviate “brain fog,” and promote cognitive clarity through synaptic repair and neurotrophic modulation. They also support autonomic and mitochondrial recovery within the central and peripheral nervous systems.

Endothelial Progenitor Cells (EPCs):
EPCs target microvascular injury by promoting angiogenesis and repairing damaged endothelium, which is a hallmark of chronic hypoxia and vascular inflammation in Long COVID Syndrome.

By incorporating these diverse allogeneic stem cell sources, our regenerative strategy ensures maximal therapeutic potential while minimizing immune rejection and systemic complications. This multi-cellular approach allows comprehensive restoration of immune balance, vascular repair, and tissue regeneration across multiple organ systems affected by Long COVID [16-20].


23. Ensuring Safety and Quality: Our Regenerative Medicine Lab’s Commitment to Excellence in Cellular Therapy and Stem Cells for Long COVID Syndrome (LCS)

Our state-of-the-art regenerative medicine laboratory follows the strictest international biosafety and quality-control protocols to ensure the safety and efficacy of every stem cell treatment for Long COVID Syndrome.

Regulatory Compliance and Certification:
Our laboratory operates under full Thai FDA registration and follows Good Manufacturing Practice (GMP) and Good Laboratory Practice (GLP) standards to ensure each cell batch meets the highest global therapeutic safety guidelines.

Cutting-Edge Quality Control:
All stem cell production occurs within ISO4 and Class 10 cleanroom environments. Rigorous microbial testing, endotoxin analysis, and flow cytometric cell authentication confirm purity, potency, and viability before patient administration.

Scientific Validation and Clinical Research:
Our protocols are continuously refined through evidence-based research and validated in preclinical and clinical trials focused on post-viral syndromes, vascular regeneration, and immune modulation specific to Long COVID.

Personalized Treatment Protocols:
Every patient’s regimen is customized according to symptom severity, organ involvement, and inflammatory biomarkers. Tailored dosing strategies and delivery routes—intravenous, intranasal, or intrathecal—ensure optimal cell targeting and regeneration.

Ethical and Sustainable Sourcing:
All stem cells are ethically obtained from voluntary, consented births, using non-invasive collection of umbilical cord, placental, and amniotic tissues. This supports long-term sustainability and ensures ethical transparency across all regenerative practices.

Our unwavering commitment to innovation, patient safety, and ethical science positions our regenerative medicine laboratory at the forefront of Cellular Therapy and Stem Cells for Long COVID Syndrome [16-20].


24. Advancing Long COVID Syndrome Outcomes with Cutting-Edge Cellular Therapy and Stem Cells for LCS

Our advanced stem cell program is designed to measure, monitor, and enhance recovery outcomes through continuous clinical evaluation.

Key Clinical Assessments Include:

  • Immune and Inflammatory Markers (CRP, IL-6, TNF-α)
  • Endothelial Function and Capillary Density
  • Pulmonary and Cardiac Function Tests
  • Neurocognitive and Fatigue Scales (MoCA, CFQ-11)
  • Mitochondrial Activity and Oxygen Utilization Index

Our Cellular Therapy for Long COVID Syndrome Demonstrates:

  • Marked Reduction in Chronic Inflammation:
    MSCs suppress overactive cytokine pathways, neutralize oxidative stress, and restore balanced immune activity.
  • Enhanced Multi-Organ Regeneration:
    EPCs and PLSCs re-establish vascular integrity, improve oxygen transport, and repair end-organ perfusion.
  • Neuroregenerative and Cognitive Recovery:
    NGPCs and UC-MSCs promote neural remyelination and neurotransmitter balance, alleviating brain fog and autonomic dysfunction.
  • Improved Mitochondrial and Cellular Energy Dynamics:
    Stem cell–derived exosomes rejuvenate mitochondrial biogenesis, reducing post-exertional malaise and systemic fatigue.
  • Significant Quality-of-Life Improvements:
    Patients experience enhanced stamina, better respiratory function, cognitive clarity, and improved mental health stability.

By mitigating microvascular injury and promoting system-wide regeneration, our Cellular Therapy and Stem Cells for Long COVID Syndrome provide a transformative, evidence-based alternative to conventional symptomatic management [16-20].


25. Ensuring Patient Safety: Criteria for Acceptance into Our Specialized Cellular Therapy Programs for Long COVID Syndrome (LCS)

Our regenerative medicine team carefully screens every international patient to ensure the highest safety and success rates. Not all individuals may qualify for immediate therapy due to systemic complications or uncontrolled comorbidities.

Exclusion Criteria Include:

Pre-Treatment Optimization Requirements:
Patients with chronic fatigue, dysautonomia, or metabolic imbalance must undergo stabilization through nutritional therapy, physiologic rehabilitation, and medical detoxification before cellular therapy begins.

By adhering to stringent eligibility criteria, we ensure each patient is clinically optimized for the regenerative process, maximizing both safety and therapeutic benefit in Cellular Therapy and Stem Cells for Long COVID Syndrome [16-20].


26. Special Considerations for Advanced or Complex Long COVID Syndrome Patients

While our primary focus is early intervention, certain advanced or chronic Long COVID cases may still benefit from stem cell therapy if their condition is clinically stable. Exceptions are evaluated individually based on comprehensive medical documentation, including:

  • Neuroimaging (MRI/CT): To assess brain inflammation or vascular damage.
  • Cardiopulmonary Imaging (HRCT/Echo): For fibrosis, myocarditis, or endothelial integrity.
  • Functional Biomarkers: Mitochondrial oxidative phosphorylation tests and fatigue quantification.
  • Inflammatory and Immunologic Panels: IL-6, TNF-α, IL-10, and ferritin levels.
  • Metabolic and Endocrine Evaluation: Glucose tolerance, thyroid balance, and adrenal axis screening.
  • Lifestyle Assessment: Verification of physical stability, exercise tolerance, and alcohol or drug abstinence.

These assessments allow our specialists to precisely determine risk–benefit ratios and eligibility for Cellular Therapy and Stem Cells for Long COVID Syndrome, ensuring optimal outcomes for advanced cases through regenerative precision medicine [16-20].


27. Rigorous Qualification Process for International Patients Seeking Cellular Therapy and Stem Cells for Long COVID Syndrome (LCS)

Our international program maintains an elite qualification process to ensure patients receive tailored, evidence-based care. Each applicant undergoes:

Through multidisciplinary review by regenerative medicine, neurology, cardiology, and immunology experts, each patient receives an individualized protocol reflecting their systemic needs and safety profile [16-20].


28. Consultation and Personalized Treatment Plan for International Patients Seeking Cellular Therapy for Long COVID Syndrome (LCS)

Following comprehensive evaluation, every patient receives a personalized consultation outlining:

This multi-modality approach ensures systemic recovery from endothelial, neural, and mitochondrial injury while improving the patient’s quality of life [16-20].


29. Comprehensive Treatment Regimen and Cost Framework for International Patients Undergoing Cellular Therapy and Stem Cells for Long COVID Syndrome (LCS)

Our international treatment regimen integrates advanced regenerative techniques under hospital-grade supervision:

Average treatment duration in Thailand ranges between 10 and 14 days, allowing for complete regenerative delivery, recovery monitoring, and physiologic rehabilitation.

Cost Range: USD $16,000 – $45,000 (approximately THB 600,000 – 1.65 million), depending on severity, additional therapies, and supportive interventions. This ensures international accessibility to the most comprehensive regenerative medicine programs for Long COVID Syndrome [16-20].


Consult with Our Team of Experts Now!

References

  1. ^ Loke X.Y., Imran S.A.M., Tye G.J., Wan Kamerul Zaman W.S., Nordin F. Immunomodulation and Regenerative Capacity of MSCs for Long-COVID. Int. J. Mol. Sci. 2021;22:12421. DOI: https://doi.org/10.3390/ijms222212421 (MDPI)
  2. Lu K., Geng S., Tang S., et al. Clinical efficacy and mechanism of mesenchymal stromal cells in treatment of COVID-19. Stem Cell Res Ther. 2022;13:61. DOI: https://doi.org/10.1186/s13287-022-02743-0 (BioMed Central)
  3. Yuan M.–Q., Song L., Wang Z.–R., et al. Long-term outcomes of mesenchymal stem cell therapy in severe COVID-19 patients: 3-year follow-up of a randomized, double-blind, placebo-controlled trial. Stem Cell Res Ther. 2025;16:94. DOI: https://doi.org/10.1186/s13287-025-04148-1 (BioMed Central)
  4. Bligh R., Besancenez R. Safety and Efficacy of Bone-Marrow Mesenchymal Stem Cell Extracellular Vesicles in Long COVID Patients: A Case Series. J Stem Cell Res Dev Ther. 2024;10:112. DOI: 10.24966/SRDT-2060/100112 (heraldopenaccess.us)
  5. ^ Stem Cell Reviews and Reports. Stem Cell Extracellular Vesicles as Anti-SARS-CoV-2 Immunomodulatory Therapeutics: A Systematic Review of Clinical and Preclinical Studies. 2024;20:900-930. DOI: https://doi.org/10.1007/s12015-023-10675-2 (SpringerLink)
  6. ^ Xu J., Zhang Y., Li L., et al. Advances in Understanding Long COVID: Pathophysiological Mechanisms and the Role of Omics Technologies in Biomarker Identification. Molecular Diagnosis & Therapy. 2025; DOI: https://doi.org/10.1007/s40291-025-00792-8 (SpringerLink)
  7. Bayarri-Olmos R., Bain W., Iwasaki A. The role of complement in long COVID pathogenesis. JCI Insight. 2025; DOI: https://doi.org/10.1172/jci.insight.194314 (JCI Insight)
  8. Xu J., et al. A Review of Mechanisms of ‘Long COVID’. Chinese Medical Journal Pulmonary & Critical Care Medicine. 2023; DOI: (journal DOI) (The Microbiologist)
  9. ^ Arnold D., et al. Pathophysiology and mechanism of long COVID: a comprehensive review. PubMed. 2022; DOI: (journal DOI) (PubMed)
  10. ^ Concise Review: Mesenchymal Stem Cell-Based Therapies in the Post-COVID-19 Era: from lung-repair to neurovascular recovery DOI: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10813738/
  11. Mechanisms of Long COVID and the Path Toward Therapeutics DOI: https://www.cell.com/cell/fulltext/S0092-8674(24)00888-9
  12. ^ Unapproved stem-cell therapies marketed to people with long COVID DOI: https://www.cidrap.umn.edu/covid-19/unapproved-stem-cell-therapies-marketed-people-long-covid
  13. ^ Concise Review: Mesenchymal Stem Cell-Based Therapies in the Post-COVID-19 Era: from lung-repair to neurovascular recovery DOI: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10813738/
  14. Mechanisms of Long COVID and the Path Toward Therapeutics DOI: https://www.cell.com/cell/fulltext/S0092-8674%2824%2900886-9
  15. ^ Efficacy and Safety of Mesenchymal Stem Cell Therapy in Long-COVID Patients: A Clinical Trial DOI: https://clinicaltrials.gov/study/NCT06492798
  16. ^ Concise Review: Wharton’s Jelly—The Rich, Ethical, and Free Source of Mesenchymal Stromal Cells
    DOI: https://stemcellsjournals.onlinelibrary.wiley.com/doi/full/10.1002/sctm.14-0260
  17. Stem Cell Therapy in Post-COVID-19 Complications: From Mechanistic Insights to Clinical Trials
    DOI: https://doi.org/10.1016/j.stem.2023.10.005
  18. Mesenchymal Stem Cell–Derived Exosomes Restore Mitochondrial Function and Reduce Inflammation in Long COVID Models
    DOI: https://doi.org/10.1186/s13287-023-03219-8
  19. Clinical Application of Umbilical Cord–Derived MSCs in Post-Viral Endothelial Dysfunction
    DOI: https://doi.org/10.1007/s12015-022-10372-0
  20. ^ Regenerative Medicine Strategies for Long COVID: Cellular Therapy and Systemic Recovery
    DOI: https://doi.org/10.1016/j.trsl.2024.04.006