{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,26]],"date-time":"2026-04-26T05:26:55Z","timestamp":1777181215283,"version":"3.51.4"},"reference-count":25,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2009,7,17]],"date-time":"2009-07-17T00:00:00Z","timestamp":1247788800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Ther Apher Dial"],"published-print":{"date-parts":[[2010,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Connective tissue growth factor (CTGF), a downstream mediator of transforming growth factor\u2010\u03b21 (TGF\u2010\u03b21) inducing fibrosis, has recently been implicated in peritoneal fibrosis. Extracellular matrix (ECM) accumulation and angiogenesis are characteristic changes in peritoneal fibrosis. In this study we investigated the effect of CTGF knockdown via interference RNA (RNAi) on ECM production and vascular endothelial growth factor (VEGF) expression induced by TGF\u2010\u03b21 in human peritoneal mesothelial cells (HPMCs). Four CTGF short hairpin RNA (shRNA) expression constructs were generated using the pRetroSuper vector, and infectious retroviral particles were prepared to infect HPMCs. Expression levels of CTGF, fibronectin(FN), collagen 1 (col 1), laminin, and VEGF mRNA and protein were measured by semi\u2010quantitative reverse transcription polymerase chain reaction and western blot assay. CTGF expression was increased after stimulation with TGF\u2010\u03b21, but inhibited using each of the four independent CTGF shRNA constructs (<jats:italic>P<\/jats:italic>\u2003&lt;\u20030.01). Moreover, expression of ECM proteins (FN, col 1, and laminin) and VEGF were upregulated after incubation with TGF\u2010\u03b21, but elevated levels of ECM and VEGF induced by TGF\u2010\u03b21 were significantly inhibited by RNAi (<jats:italic>P<\/jats:italic>\u2003&lt;\u20030.01), but not by the empty retroviral vector (<jats:italic>P<\/jats:italic>\u2003&gt;\u20030.05). From these results, we concluded that retrovirus\u2010mediated CTGF shRNA can effectively inhibit ECM production and VEGF expression induced by TGF\u2010\u03b21 in HPMCs. This study suggests that downregulation of CTGF may represent a potential therapeutic approach for peritoneal fibrosis through decreasing ECM accumulation and angiogenesis.<\/jats:p>","DOI":"10.1111\/j.1744-9987.2009.00701.x","type":"journal-article","created":{"date-parts":[[2009,7,17]],"date-time":"2009-07-17T17:15:17Z","timestamp":1247850917000},"page":"27-34","source":"Crossref","is-referenced-by-count":19,"title":["Connective Tissue Growth Factor Knockdown Attenuated Matrix Protein Production and Vascular Endothelial Growth Factor Expression Induced by Transforming Growth Factor\u2010\u03b21 in Cultured Human Peritoneal Mesothelial Cells"],"prefix":"10.1111","volume":"14","author":[{"given":"Li","family":"Xiao","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lin","family":"Sun","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fu\u2010You","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"You\u2010Ming","family":"Peng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shao\u2010Bin","family":"Duan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2010,2,12]]},"reference":[{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1159\/000013397"},{"key":"e_1_2_6_3_2","doi-asserted-by":"crossref","first-page":"2029","DOI":"10.1681\/ASN.V12102029","article-title":"Gene transfer of transforming 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