The DOI matches its Crossref record; 53 of the 53 references it cites were found in a registry or an index.
Suppression of microRNA-29 Expression by TGF-β1 Promotes Collagen Expression and Renal Fibrosis
Open accessAbstract
Synthesis and deposition of extracellular matrix (ECM) within the glomerulus and interstitium characterizes renal fibrosis, but the mechanisms underlying this process are incompletely understood. The profibrotic cytokine TGF-β1 modulates the expression of certain microRNAs (miRNAs), suggesting that miRNAs may have a role in the pathogenesis of renal fibrosis. Here, we exposed proximal tubular cells, primary mesangial cells, and podocytes to TGF-β1 to examine its effect on miRNAs and subsequent collagen synthesis. TGF-β1 reduced expression of the miR-29a/b/c/family, which targets collagen gene expression, and increased expression of ECM proteins. In both resting and TGF-β1-treated cells, ectopic expression of miR-29 repressed the expression of collagens I and IV at both the mRNA and protein levels by targeting the 3'untranslated region of these genes. Furthermore, we observed low levels of miR-29 in three models of renal fibrosis representing early and advanced stages of disease. Administration of the Rho-associated kinase inhibitor fasudil prevented renal fibrosis and restored expression of miR-29. Taken together, these data suggest that TGF-β1 inhibits expression of the miR-29 family, thereby promoting expression of ECM components. Pharmacologic modulation of these miRNAs may have therapeutic potential for progressive renal fibrosis.
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Cited by
TGF-β: the master regulator of fibrosis
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Targeting the progression of chronic kidney disease
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Metadata
- Authors
- Wang, B., Komers, R., Carew, R., Winbanks, C. E., Xu, B., Herman-Edelstein, M., Koh, P., Thomas, M., Jandeleit-Dahm, K., Gregorevic, P., Cooper, M. E., & Kantharidis, P.
- Venue
- Journal of the American Society of Nephrology
- Published
- 2012-02
- Volume
- 23
- Issue
- 2
- Pages
- 252-265
- ISSN
- 1046-6673 (ISSN-L)
- OpenAlex
- W2121014368
- Cited by
- 498
- References
- 53
- FWCI
- 24.12
- Type
- journal article
- Language
- en
- Open access
- green
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- Wang, B., Komers, R., Carew, R., Winbanks, C. E., Xu, B., Herman-Edelstein, M., Koh, P., Thomas, M., Jandeleit-Dahm, K., Gregorevic, P., Cooper, M. E., & Kantharidis, P. (2012). Suppression of microRNA-29 Expression by TGF-β1 Promotes Collagen Expression and Renal Fibrosis. Journal of the American Society of Nephrology. https://doi.org/10.1681/asn.2011010055
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