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Mitochondrial Dysfunction in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome.

Abu Mohammad Syed1, Alexander K Karius1, Jin Ma1

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Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) and long COVID share a key symptom: post-exertional fatigue. This review explores how mitochondrial dysfunction may cause this debilitating energy production issue in both conditions.

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Area of Science:

  • Biomedicine
  • Pathophysiology
  • Metabolic research

Background:

  • Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a complex, multisystem disorder with unknown causes.
  • A primary symptom of ME/CFS is prolonged fatigue after exertion, known as post-exertional malaise.
  • Long COVID shares similar debilitating fatigue symptoms, indicating potential overlapping biological mechanisms.

Purpose of the Study:

  • To review the role of mitochondrial dysfunction in ME/CFS.
  • To investigate the potential pathogenetic link between mitochondrial dysfunction and long COVID symptoms.
  • To explore the shared mechanisms underlying fatigue in these distinct conditions.

Main Methods:

  • Literature review of existing studies on ME/CFS.
  • Literature review of existing studies on long COVID.
  • Analysis of research on mitochondrial function and energy metabolism.

Main Results:

  • Mitochondrial dysfunction is implicated as a potential cause of persistent fatigue in ME/CFS.
  • Evidence suggests similar mitochondrial impairments may be present in individuals with long COVID.
  • Energy production deficits are a common factor potentially explaining shared symptoms.

Conclusions:

  • Mitochondrial dysfunction is a significant area of research for understanding ME/CFS.
  • Mitochondrial dysfunction may represent a common pathway for the fatigue experienced in both ME/CFS and long COVID.
  • Further research into mitochondrial health is crucial for developing effective treatments for these conditions.