Solving Mitochondrial Disorders for Vitality
Mitochondria are the powerhouses of your cells — generating the ATP energy that fuels every biological process in your body. When mitochondria malfunction, the consequences can be devastating: affecting the brain, muscles, heart, liver, and virtually every organ system. Mitochondrial disorders are among the most complex and underdiagnosed conditions in medicine.
What Are Mitochondrial Disorders?
Mitochondrial disorders are a heterogeneous group of conditions caused by mutations in either mitochondrial DNA (mtDNA) or nuclear DNA genes that encode mitochondrial proteins. They affect approximately 1 in 5,000 people — making them one of the most common groups of inherited metabolic diseases.
Common Mitochondrial Disorders
MELAS (Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-like episodes)
MERRF (Myoclonic Epilepsy with Ragged Red Fibres)
Leigh Syndrome — a severe neurological disorder affecting infants
Kearns-Sayre Syndrome — affecting the eyes, heart, and muscles
LHON (Leber’s Hereditary Optic Neuropathy) — causing sudden vision loss
Symptoms of Mitochondrial Disease
Because mitochondria are present in virtually every cell, symptoms can affect any organ system and vary widely between individuals:
Muscle weakness and exercise intolerance
Neurological symptoms: seizures, stroke-like episodes, cognitive decline
Hearing and vision loss
Heart rhythm abnormalities
Diabetes and endocrine dysfunction
Chronic fatigue and poor growth in children
Diagnosis: The Role of Genetic Testing
Diagnosing mitochondrial disorders requires a combination of clinical evaluation, biochemical testing, and genetic analysis. Whole exome sequencing (WES) or targeted mitochondrial gene panels can identify the causative mutation — enabling accurate diagnosis, genetic counselling, and family planning guidance.
Management and Treatment
While there is currently no cure for most mitochondrial disorders, management focuses on:
Nutritional supplements (CoQ10, riboflavin, L-carnitine)
Avoiding mitochondrial toxins (certain medications, alcohol)
Symptom management and supportive care
Regular monitoring of affected organ systems
Get Answers with Expert Genetic Counselling
If you or a family member has symptoms suggestive of a mitochondrial disorder, MapmyGenome’s certified genetic counsellors can guide you through the diagnostic process — from the right genetic test to interpreting results and planning next steps.
