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Modeling Mitochondrial Disease Using Brain Organoids: A Focus on Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-like Episodes
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Modeling Mitochondrial Disease Using Brain Organoids: A Focus on Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-like Episodes

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Five patients with a recently described novel leukoencephalopathy with brainstem and spinal cord involvement and

S V Serkov1, I N Pronin, O V Bykova

  • 1Department of Neuroimaging, Burdenko Neurosurgery Institute, Russian Academy of Medical Sciences, Moscow, Russia.

Neuropediatrics
|March 6, 2004
PubMed

Insights

A novel leukoencephalopathy syndrome presents with childhood onset and progressive neurological deficits. Characteristic MRI findings suggest a distinct neurological disorder, aiding diagnosis.

Area of Science:

  • Neurology
  • Neuroimaging
  • Genetics

Background:

  • A novel leukoencephalopathy syndrome with distinct MRI abnormalities was recently identified.
  • Further characterization of this condition is crucial for understanding its pathogenesis and clinical spectrum.

Observation:

  • Five new unrelated patients presented with homogeneous clinical features including childhood onset, progressive neurological deficits, and specific MRI abnormalities.
  • Neurological deterioration following minor head trauma and fever was observed in two patients.
  • No underlying metabolic or mitochondrial defects were identified, though elevated serum lactate was noted in some cases.

Findings:

  • MRI revealed diffuse or spotty white matter abnormalities in the cerebrum and selective involvement of brainstem and spinal cord tracts.
  • Affected tracts included pyramidal, sensory, cerebellar peduncles, and trigeminal nerve pathways.
  • Proton magnetic resonance spectroscopy (MRS) showed increased lactate in abnormal white matter, suggesting altered brain metabolism.

Implications:

  • The consistent clinical, MRI, and MRS findings support the classification of this leukoencephalopathy as a distinct nosological entity.
  • This research aids in the diagnosis and understanding of rare white matter disorders.
  • Further investigation into the underlying etiology and potential therapeutic strategies is warranted.

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