{"title":"Effects of TGF-beta on retinal pigmented epithelium in vitro.","authors":"M Opas, E Dziak","doi":"10.1159/000163527","DOIUrl":null,"url":null,"abstract":"<p><p>Embryonic chick retinal pigmented epithelium (RPE) has been grown on glass derivatized with covalently bound proteins of basement membrane and treated with transforming growth factor-beta (TGF-beta). In the present paper we show that over the concentration range tested (0.1-10 ng/ml) TGF-beta has no effect on RPE cell proliferation either in the presence or the absence of serum, cell motility and the organization of cytoskeleton-extracellular matrix linkage complexes with respect to their structure and presence of actin, vinculin, talin, integrin and fibronectin. The protein profiles of total cell/ECM extracts of cells grown in the presence or the absence of TGF-beta are similar although some stimulation of protein synthesis and of production of fibronectin-containing extracellular matrix has been detected.</p>","PeriodicalId":75839,"journal":{"name":"Experimental cell biology","volume":"57 4","pages":"206-12"},"PeriodicalIF":0.0000,"publicationDate":"1989-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000163527","citationCount":"10","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Experimental cell biology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1159/000163527","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 10
Abstract
Embryonic chick retinal pigmented epithelium (RPE) has been grown on glass derivatized with covalently bound proteins of basement membrane and treated with transforming growth factor-beta (TGF-beta). In the present paper we show that over the concentration range tested (0.1-10 ng/ml) TGF-beta has no effect on RPE cell proliferation either in the presence or the absence of serum, cell motility and the organization of cytoskeleton-extracellular matrix linkage complexes with respect to their structure and presence of actin, vinculin, talin, integrin and fibronectin. The protein profiles of total cell/ECM extracts of cells grown in the presence or the absence of TGF-beta are similar although some stimulation of protein synthesis and of production of fibronectin-containing extracellular matrix has been detected.
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