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Updated: Jun 27, 2025

Measurement of Chitinase Activity in Biological Samples
Published on: August 22, 2019
Physiological and Pathogenesis Significance of Chorein in Health and Disease
S Alkahtani1, A A Alkahtane, S Alarifi
1Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia. salkahtani@ksu.edu.sa.
Insights
VPS13A protein is crucial for cell function and linked to Chorea-acanthocytosis (ChAc), a neurodegenerative disorder. Understanding VPS13A genetics and its role in lipid imbalance offers insights into ChAc pathogenesis.
Area of Science:
- Neurogenetics
- Molecular Biology
- Cell Biology
Background:
- VPS13A gene encodes a protein implicated in Chorea-acanthocytosis (ChAc), a rare neurodegenerative disorder.
- VPS13A protein plays roles in protein trafficking, lipid homeostasis, cytoskeletal regulation, and autophagy.
- Genetic variants in VPS13A are central to ChAc pathogenesis.
Purpose of the Study:
- To provide a comprehensive review of the physiological and pathophysiological significance of VPS13A.
- To explore the genetics, structure, function, and molecular roles of VPS13A.
- To elucidate the link between VPS13A mutations, lipid imbalance, and neurodegeneration.
Main Methods:
- Literature review of genetic, molecular, and cellular studies on VPS13A.
- Analysis of VPS13A gene variants and their association with Chorea-acanthocytosis.
- Exploration of VPS13A protein function in various tissues and cellular processes.
Main Results:
- VPS13A is vital for cellular functions, including lipid homeostasis and cytoskeletal integrity.
- Mutations in VPS13A lead to Chorea-acanthocytosis by disrupting these cellular processes.
- VPS13A's role in the brain is critical for preventing neurodegeneration.
Conclusions:
- VPS13A is a key protein in maintaining cellular health, particularly in neural tissues.
- Dysregulation of VPS13A function, especially lipid metabolism, is a significant factor in ChAc.
- Further research into VPS13A is essential for understanding and potentially treating Chorea-acanthocytosis.
Abstract:
This comprehensive review explores the physiological and pathophysiological significance of VPS13A, a protein encoded by the VPS13A gene. The VPS13A gene is associated with Chorea-acanthocytosis (ChAc), a rare hereditary neurodegenerative disorder. The review covers essential aspects, beginning with the genetics of VPS13A, highlighting its role in the pathogenesis of ChAc, and addressing the spectrum of genetic variants involved. It delves into the structure and function of the VPS13A protein, emphasizing its presence in various tissues and its potential involvement in protein trafficking and lipid homeostasis. Molecular functions of VPS13A in the brain tissue and other cell types or tissues with respect to their role in cytoskeletal regulation and autophagy are explored. Finally, it explores the intriguing link between VPS13A mutations, lipid imbalances, and neurodegeneration, shedding light on future research directions. Overall, this review serves as a comprehensive resource for understanding the pivotal role of VPS13A in health and disease, particularly in the context of ChAc. Key words: Chorein , Tumor, Actin, Microfilament, Gene expression, Chorea-acanthocytosis.
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