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An introduction to mitochondrial myopathy

The mitochondrial myopathies are a group of diseases that particularly affect muscle but which may also affect other parts of the body, such as the brain and eyes. Some conditions classed as mitochondrial myopathies include:

  • Chronic Progressive Opthalmoplegia (CPEO)
  • Kearns-Sayre Syndrome (KSS)
  • Lactic Acidosis
  • Leigh’s disease
  • Mitochondrial Cytopathy
  • Mitochondrial Encephalopathy
  • Myoclonus Epilepsy Associated with Ragged-Red Fibres (MERRF)
  • Stroke-like episodes (MELAS)


Read the full introduction

Key facts

  • Why do I have mitochondrial myopathy?
  • How is it diagnosed?
  • Is there a treatment?
  • Is it progressive?

See the factsheet

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Recent Research Awards


Professor D. Turnbull
Year 1 - £49,148
The overall aim of this study is to determine if an exercise regime could be of benefit to people with mitochondrial myopathy.


More about this research