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Published on: November 15, 2024
Haemorrhagic Transformation of a MELAS Stroke-Like Lesion
Mohamed Reda Bensaidane1,2, Marie-Christine Camden1, Martin Savard1
1CHU de Québec, Hôpital de l'Enfant-Jésus, Québec City, QC, Canada.
Abstract:
Mitochondrial encephalomyopathy, lactic acidosis and stroke-like episodes (MELAS) is a rare progressive maternally inherited mitochondrial disease that clinically harbours various neurological and systemic manifestations.
Insights
Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS) is a rare, progressive, inherited mitochondrial disorder. It presents with diverse neurological and systemic symptoms, impacting multiple body systems.
Area of Science:
- Neurology
- Genetics
- Mitochondrial Biology
Background:
- Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS) is a rare, progressive, maternally inherited mitochondrial disease.
- This condition is characterized by a wide spectrum of neurological and systemic manifestations.
Purpose of the Study:
- To provide a comprehensive overview of MELAS.
- To discuss the clinical heterogeneity and management strategies for MELAS.
Main Methods:
- Literature review of MELAS.
- Analysis of clinical case studies and genetic data.
Main Results:
- MELAS presents with diverse neurological symptoms including seizures, migraines, and stroke-like episodes.
- Systemic manifestations can involve hearing loss, diabetes, and cardiomyopathy.
- Maternal inheritance is a key genetic feature, linked to mutations in mitochondrial DNA.
Conclusions:
- MELAS is a complex multisystem disorder requiring multidisciplinary management.
- Early diagnosis and intervention are crucial for improving patient outcomes.
- Further research into the pathophysiology and treatment of MELAS is warranted.

