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Lysosomal storage diseases--the horizon expands
1Department of Paediatrics and Adolescent Medicine, Biochemistry and Molecular Genetics, American University of Beirut, PO Box 11-0236, Riad El-Solh, 1107 2020, Beirut, Lebanon. rb50@aub.edu.lb.
Nature Reviews. Neurology
|August 14, 2013
Summary
Lysosomal storage diseases (LSDs) involve excessive cellular material buildup in lysosomes. This review summarizes LSDs, their affected pathways, and current treatment challenges for these neurodegenerative conditions.
Area of Science:
- Cell Biology
- Genetics
- Neurology
Background:
- Lysosomes, discovered in 1955, are crucial organelles involved in cellular material degradation.
- Lysosomal storage diseases (LSDs) arise from defects in lysosomal function, leading to material accumulation.
- Neuronal ceroid lipofuscinoses (NCLs) are a group of neurodegenerative disorders with lysosomal dysfunction and lipofuscin accumulation.
Purpose of the Study:
- To provide a comprehensive summary of known LSDs and affected pathways.
- To discuss current therapeutic strategies for LSDs and NCLs.
- To identify barriers hindering the development of novel treatments for these lysosomal disorders.
Main Methods:
- Literature review of lysosomal storage diseases and neuronal ceroid lipofuscinoses.
- Analysis of disease pathobiology, genetic inheritance patterns, and affected cellular pathways.
- Examination of existing therapies and challenges in treatment development.
Main Results:
- LSDs and NCLs affect various cell types, with the central and peripheral nervous systems being particularly vulnerable in two-thirds of cases.
- Most LSDs are autosomal recessive, with exceptions including X-linked disorders and a variant NCL.
- Significant progress has been made in understanding the pathobiology of these disorders.
Conclusions:
- A deeper understanding of LSDs and NCLs is crucial for advancing treatment.
- Overcoming barriers in therapeutic development is essential for improving patient outcomes.
- Targeting affected pathways offers potential for novel treatment strategies.
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