{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T18:15:51Z","timestamp":1771006551768,"version":"3.50.1"},"reference-count":109,"publisher":"Wiley","license":[{"start":{"date-parts":[[2013,1,1]],"date-time":"2013-01-01T00:00:00Z","timestamp":1356998400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BioMed Research International"],"published-print":{"date-parts":[[2013]]},"abstract":"<jats:p>Characterization of the cell surface marker phenotype of<jats:italic>ex vivo<\/jats:italic>cultured cells growing out of human fibrovascular epiretinal membranes (fvERMs) from proliferative diabetic retinopathy (PDR) can give insight into their function in immunity, angiogenesis, and retinal detachment. FvERMs from uneventful vitrectomies due to PDR were cultured adherently<jats:italic>ex vivo<\/jats:italic>. Surface marker analysis, release of immunity- and angiogenesis-pathway-related factors upon TNF<jats:italic>\u03b1<\/jats:italic>activation and measurement of the intracellular calcium dynamics upon mechano-stimulation using fluorescent dye Fura-2 were all performed. FvERMs formed proliferating cell monolayers when cultured<jats:italic>ex vivo<\/jats:italic>, which were negative for endothelial cell markers (CD31, VEGFR2), partially positive for hematopoietic- (CD34, CD47) and mesenchymal stem cell markers (CD73, CD90\/Thy-1, and PDGFR<jats:italic>\u03b2<\/jats:italic>), and negative for CD105. CD146\/MCAM and CD166\/ALCAM, previously unreported in cells from fvERMs, were also expressed. Secretion of 11 angiogenesis-related factors (DPPIV\/CD26, EG-VEGF\/PK1, ET-1, IGFBP-2 and 3, IL-8\/CXCL8, MCP-1\/CCL2, MMP-9, PTX3\/TSG-14, Serpin E1\/PAI-1, Serpin F1\/PEDF, TIMP-1, and TSP-1) were detected upon TNF<jats:italic>\u03b1<\/jats:italic>activation of fvERM cells. Mechano-stimulation of these cells induced intracellular calcium propagation representing functional viability and role of these cells in tractional retinal detachment, thus serving as a model for studying tractional forces present in fvERMs in PDR<jats:italic>ex vivo<\/jats:italic>.<\/jats:p>","DOI":"10.1155\/2013\/492376","type":"journal-article","created":{"date-parts":[[2013,10,1]],"date-time":"2013-10-01T21:01:49Z","timestamp":1380661309000},"page":"1-14","source":"Crossref","is-referenced-by-count":11,"title":["Functional and Molecular Characterization of<i>Ex Vivo<\/i>Cultured Epiretinal Membrane Cells from Human Proliferative Diabetic Retinopathy"],"prefix":"10.1155","volume":"2013","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0035-1471","authenticated-orcid":true,"given":"Zolt\u00e1n","family":"Ver\u00e9b","sequence":"first","affiliation":[{"name":"Stem Cells and Eye Research Laboratory, Department of Biochemistry and Molecular Biology, Medical and Health Science Center, 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