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Targeting defective proteostasis in the collagenopathies
Madeline Y Wong1, Matthew D Shoulders1
1Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, United States.
Current Opinion in Chemical Biology
|April 28, 2019
Summary
Collagen disorders (collagenopathies) stem from collagen gene mutations. Targeting cellular protein quality control (proteostasis) offers a promising therapeutic strategy beyond symptom management.
Area of Science:
- Biochemistry
- Molecular Biology
- Genetics
Background:
- Collagenopathies are genetic disorders caused by mutations in collagen genes.
- These mutations disrupt collagen production and integrity, leading to impaired development and connective tissue damage.
- Current treatments for collagenopathies primarily manage symptoms, lacking targeted approaches for the underlying molecular defects.
Purpose of the Study:
- To present a proteostasis-focused perspective on collagenopathies.
- To highlight how collagen proteostasis mechanisms are disrupted in these diseases.
- To explore the potential of small molecule therapeutics for endoplasmic reticulum proteostasis in treating collagenopathies.
Main Methods:
- Review of existing literature on collagenopathies and proteostasis.
- Analysis of molecular mechanisms underlying collagen biosynthesis and quality control.
- Examination of recent advances in small molecule modulators of endoplasmic reticulum proteostasis.
Main Results:
- Disruptions in collagen biogenesis due to genetic mutations are central to collagenopathies.
- The intracellular proteostasis network is a viable target for therapeutic intervention.
- Small molecules targeting endoplasmic reticulum proteostasis show potential for treating these disorders.
Conclusions:
- Resculpting the proteostasis network offers a novel therapeutic avenue for collagenopathies.
- Understanding disease-specific proteostasis disruptions is key to developing effective treatments.
- Small molecule-based modulation of endoplasmic reticulum proteostasis presents a promising strategy for future therapies.
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