{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T07:39:24Z","timestamp":1792136364981,"version":"4.4.0"},"reference-count":44,"publisher":"American Physiological Society","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American Journal of Physiology-Renal Physiology"],"published-print":{"date-parts":[[2003,7]]},"abstract":"<jats:p>Fibronectin, a large adhesive glycoprotein, is a prominent constituent of the extracellular matrix. Abnormalities in fibronectin homeostasis occur in numerous disease states, ranging from primary fibrosing conditions to neoplastic transformation. We demonstrate that fibronectin is a target protein substrate for ubiquitin-dependent degradation. Coimmunoprecipitation experiments and confocal microscopy demonstrated ubiquitin-fibronectin interaction. In an in vitro model of renal fibrosis, relaxin, an insulin-like growth factor, increased ubiquitin-dependent fibronectin degradation. Relaxin also was evaluated in an anti-glomerular basement membrane model of renal fibrosis. Animals treated with relaxin experienced renoprotection, manifested by decreased serum creatinine and proteinuria. Histological evaluation of kidney sections from animals treated with relaxin showed decreased glomerulosclerosis and interstitial fibrosis. We conclude that relaxin might be developed as a useful agent for the treatment of renal fibrosis.<\/jats:p>","DOI":"10.1152\/ajprenal.00157.2002","type":"journal-article","created":{"date-parts":[[2015,3,3]],"date-time":"2015-03-03T15:38:32Z","timestamp":1425397112000},"page":"F59-F67","source":"Crossref","is-referenced-by-count":55,"title":["Relaxin increases ubiquitin-dependent degradation of fibronectin in vitro and ameliorates renal fibrosis in vivo"],"prefix":"10.1152","volume":"285","author":[{"given":"Glenn A.","family":"McDonald","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pradip","family":"Sarkar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helmut","family":"Rennke","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elaine","family":"Unemori","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Raghu","family":"Kalluri","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vikas P.","family":"Sukhatme","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"24","reference":[{"key":"REF1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1523-1755.1998.00153.x"},{"key":"REF2","doi-asserted-by":"publisher","DOI":"10.1016\/0304-4157(90)90004-V"},{"key":"REF3","doi-asserted-by":"publisher","DOI":"10.1177\/002215549904700608"},{"key":"REF4","unstructured":"Bell RJ\n                      , Eddie LW, Lester AR, Wood EC, Johnston PD, and Niall HD.\n                      Relaxin in human pregnancy serum measured with an homologous radioimmunoassay.\n                      Obstet Gynecol\n                      69\n                      : 585-589, 1987."},{"key":"REF5","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM199411103311907"},{"key":"REF6","unstructured":"Border WA\n                      , Noble NA, and Ketteler M.\n                      TGF-\u03b2: a cytokine mediator of glomerulosclerosis and a target for therapeutic intervention.\n                      Kidney Int Suppl\n                      49\n                      : S59-S61, 1995."},{"key":"REF7","doi-asserted-by":"publisher","DOI":"10.1074\/jbc.273.19.11887"},{"key":"REF8","doi-asserted-by":"publisher","DOI":"10.1210\/endo-93-6-1441"},{"key":"REF9","doi-asserted-by":"publisher","DOI":"10.1002\/art.1780220906"},{"key":"REF10","doi-asserted-by":"publisher","DOI":"10.1002\/j.1460-2075.1984.tb02136.x"},{"key":"REF11","doi-asserted-by":"publisher","DOI":"10.1172\/JCI5630"},{"key":"REF12","unstructured":"El Nahas AM\n                      , Muchaneta-Kubara EC, Zhang G, Adam A, and Goumenos D.\n                      Phenotypic modulation of renal cells during experimental and clinical renal scarring.\n                      Kidney Int Suppl\n                      54\n                      : S23-S27, 1996."},{"key":"REF13","doi-asserted-by":"publisher","DOI":"10.1074\/jbc.272.33.20427"},{"key":"REF14","doi-asserted-by":"publisher","DOI":"10.1046\/j.1523-1755.2001.059003876.x"},{"key":"REF15","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.bi.61.070192.003553"},{"key":"REF16","doi-asserted-by":"crossref","unstructured":"Hynes RO\n                      .\n                      Fibronectins\n                      . 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