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Published on: December 20, 2017
Fabry disease: Mechanism and therapeutics strategies
Xi Li1, Xiangyi Ren2, Yabing Zhang1
1Department of Anesthesiology, West China Hospital of Sichuan University, Chengdu, China.
Abstract:
Fabry disease is a monogenic disease characterized by a deficiency or loss of the α-galactosidase A (GLA). The resulting impairment in lysosomal GLA enzymatic activity leads to the pathogenic accumulation of enzymatic substrate and, consequently, the progressive appearance of clinical symptoms in target organs, including the heart, kidney, and brain. However, the mechanisms involved in Fabry disease-mediated organ damage are largely ambiguous and poorly understood, which hinders the development of therapeutic strategies for the treatment of this disorder. Although currently available clinical approaches have shown some efficiency in the treatment of Fabry disease, they all exhibit limitations that need to be overcome. In this review, we first introduce current mechanistic knowledge of Fabry disease and discuss potential therapeutic strategies for its treatment. We then systemically summarize and discuss advances in research on therapeutic approaches, including enzyme replacement therapy (ERT), gene therapy, and chaperone therapy, as well as strategies targeting subcellular compartments, such as lysosomes, the endoplasmic reticulum, and the nucleus. Finally, the future development of potential therapeutic strategies is discussed based on the results of mechanistic studies and the limitations associated with these therapeutic approaches.
Insights
Fabry disease, caused by alpha-galactosidase A deficiency, leads to organ damage. This review explores current understanding and therapeutic strategies like enzyme replacement and gene therapy for Fabry disease.
Area of Science:
- Biochemistry
- Genetics
- Rare Diseases
Background:
- Fabry disease is a monogenic disorder resulting from alpha-galactosidase A (GLA) deficiency.
- Impaired GLA activity causes substrate accumulation, leading to progressive organ damage in the heart, kidney, and brain.
- Mechanisms of organ damage in Fabry disease are not fully understood, limiting effective treatments.
Purpose of the Study:
- To review current knowledge of Fabry disease mechanisms.
- To discuss existing and emerging therapeutic strategies for Fabry disease.
- To identify future directions for Fabry disease treatment development.
Main Methods:
- Systematic review of literature on Fabry disease.
- Analysis of current therapeutic approaches including enzyme replacement therapy (ERT), gene therapy, and chaperone therapy.
- Discussion of strategies targeting cellular compartments like lysosomes, endoplasmic reticulum, and nucleus.
Main Results:
- Current treatments for Fabry disease show some efficacy but have limitations.
- Various therapeutic strategies are being investigated, including ERT, gene therapy, and chaperone therapy.
- Targeting subcellular compartments offers novel approaches to address Fabry disease pathology.
Conclusions:
- A deeper understanding of Fabry disease mechanisms is crucial for developing improved therapies.
- Further research is needed to overcome limitations of current treatments and explore novel therapeutic avenues.
- Future Fabry disease treatments may involve combination therapies or strategies targeting specific cellular pathways.
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