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Published on: September 1, 2015
STAT3 Signaling in Polycystic Kidney Disease.
Thomas Weimbs1, Jeffrey J Talbot1
1Department of Molecular, Cellular, and Developmental Biology; and Neuroscience Research Institute, University of California, Santa Barbara, CA 93106-9610, U.S.A.
STAT3 is aberrantly activated in autosomal-dominant polycystic kidney disease (ADPKD). Targeting STAT3 shows promise for treating ADPKD, a common kidney disease lacking approved therapies.
Area of Science:
- Nephrology
- Molecular Biology
- Genetics
Background:
- Autosomal-dominant polycystic kidney disease (ADPKD) is caused by mutations in polycystin-1 (PC1).
- ADPKD is a prevalent genetic disorder leading to kidney failure, with no approved treatments.
- STAT3 signaling is increasingly recognized in various cellular processes.
Purpose of the Study:
- To review the emerging role of Signal Transducer and Activator of Transcription 3 (STAT3) in ADPKD pathogenesis.
- To evaluate STAT3 as a potential therapeutic target for ADPKD.
Main Methods:
- Review of recent scientific literature and findings.
- Analysis of signaling pathways implicated in ADPKD, including STAT3 regulation by PC1.
- Examination of studies involving STAT3 inhibition in preclinical models of PKD.
Main Results:
- PC1 mutations are the primary cause of ADPKD.
- STAT3 is aberrantly activated in ADPKD kidneys from patients and mouse models.
- STAT3 inhibition has shown promising results in PKD mouse models.
- Multiple signaling pathways (e.g., EGF/EGFR, HGF/c-Met, Src) activate STAT3 and are linked to PKD.
Conclusions:
- STAT3 plays a significant, previously unrecognized role in the pathogenesis of ADPKD.
- Targeting STAT3 represents a promising therapeutic strategy for ADPKD treatment.
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