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Celia's Encephalopathy (BSCL2-Gene-Related): Current Understanding
Sofía Sánchez-Iglesias1, Antía Fernández-Pombo1,2, Silvia Cobelo-Gómez1
1UETeM-Molecular Pathology Group, Department of Psychiatry, Radiology, Public Health, Nursing and Medicine, IDIS-CIMUS, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain.
Journal of Clinical Medicine
|April 30, 2021
Summary
BSCL2 gene variants cause Celia's encephalopathy, a severe childhood neurodegenerative disorder. Aberrant seipin protein accumulation in neurons drives this condition, highlighting the need for therapeutic strategies.
Area of Science:
- Neuroscience
- Genetics
- Molecular Biology
Background:
- Seipin, encoded by the BSCL2 gene, is crucial in the central nervous system.
- BSCL2 variants are linked to generalized congenital lipodystrophy and motor neuron diseases.
- Celia's encephalopathy, a severe neurodegenerative condition, is caused by a specific BSCL2 variant (c.985C>T).
Purpose of the Study:
- To review the molecular basis of Celia's encephalopathy.
- To elucidate the pathogenic mechanisms of BSCL2-related neurodegeneration.
- To discuss clinical features and potential therapeutic approaches.
Main Methods:
- Literature review of BSCL2 gene variants and associated neurological disorders.
- Analysis of molecular mechanisms, including protein aberrant forms and cellular accumulation.
- Compilation of clinical data and therapeutic strategies.
Main Results:
- The c.985C>T BSCL2 variant leads to aberrant Celia seipin via exon 7 intronization.
- Accumulation of Celia seipin in neuronal endoplasmic reticulum and nucleus is implicated in pathogenesis.
- Other BSCL2 variants, often causing exon 7 loss, are associated with lipodystrophy and epileptic encephalopathy.
Conclusions:
- Understanding BSCL2 variants and Celia seipin's role is key to addressing this fatal neurological disorder.
- Further research into pathogenic mechanisms may reveal therapeutic targets.
- Developing strategies to slow disease progression is a critical goal.
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