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MATRIN3 deficiency triggers autoinflammation via cGAS-STING activation.
Zohirul Islam1, Ahsan Polash2, Masataka Suzawa2
1Integrative Immunobiology Section, Laboratory of Immune System Biology (LISB), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH); Bethesda, Maryland 20892, USA.
Perturbing MATRIN3 (MATR3) protein elevates interferon-stimulated genes (ISGs), activating a pathway linked to inflammatory diseases and amyotrophic lateral sclerosis (ALS). This finding suggests new diagnostic and therapeutic strategies for ALS.
Area of Science:
- Immunology
- Neuroscience
- Molecular Biology
Background:
- Interferon-stimulated genes (ISGs) are crucial for immune defense but implicated in inflammatory diseases when dysregulated.
- The precise mechanisms controlling ISG activation remain incompletely understood.
- Mutations in MATRIN3 (MATR3), a nuclear RNA-binding protein, are linked to familial amyotrophic lateral sclerosis (ALS).
Conclusions:
- MATR3 plays a critical role in the regulation of ISG expression.
- The cGAS-STING pathway is implicated in MATR3-associated pathogenesis.
- Findings suggest novel diagnostic and therapeutic avenues for ALS.
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