{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T00:10:03Z","timestamp":1772928603835,"version":"3.50.1"},"reference-count":50,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2008,9,1]],"date-time":"2008-09-01T00:00:00Z","timestamp":1220227200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2008,9,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Podoplanin (RTI40, aggrus, T1\u03b1, hT1\u03b1-2, E11, PA2.26, RANDAM-2, gp36, gp38, gp40, OTS8) is a type I cell marker in rat lung. We show that a bacterial artificial chromosome vector containing the rat podoplanin gene (RTIbac) delivers a pattern of transgene expression in lung that is more restricted to mouse type I cells than that of the endogenous mouse podoplanin gene. RTIbac-transgenic mice expressed rat podoplanin in type I cells; type II cells, airways, and vascular endothelium were negative. A modified bacterial artificial chromosome containing internal ribosome entry site (IRES)-green fluorescent protein (GFP) sequences in the podoplanin 3\u2032UTR expressed rat podoplanin and transgenic GFP in type I cells. RTIbac transgene expression was absent or reduced in pulmonary pleura, lymphatic endothelium, and putative lymphoid-associated stromal tissue, all of which contained abundant mouse podoplanin. Rat podoplanin mRNA levels in normal rat lung and RTIbac transgenic lung were 25-fold higher than in corresponding kidney and brain samples. On Western blots, transgenic rat and endogenous mouse podoplanin displayed very similar patterns of protein expression in various organs. Highest protein levels were observed in lung with 10- to 20-fold less in brain; there were low levels in thymus and kidney. Both GFP and rat podoplanin transgenes were expressed at extrapulmonary sites of endogenous mouse podoplanin gene expression, including choroid plexus, eye ciliary epithelium, and renal glomerulus. Because their pulmonary expression is more restricted than endogenous mouse podoplanin, RTIbac derivatives should be useful for mouse type I cell\u2013specific transgene delivery.<\/jats:p>","DOI":"10.1165\/rcmb.2008-0049oc","type":"journal-article","created":{"date-parts":[[2008,3,26]],"date-time":"2008-03-26T21:38:03Z","timestamp":1206567483000},"page":"253-262","source":"Crossref","is-referenced-by-count":24,"title":["Directed Expression of Transgenes to Alveolar Type I Cells in the Mouse"],"prefix":"10.1093","volume":"39","author":[{"given":"Jeff N.","family":"Vanderbilt","sequence":"first","affiliation":[{"name":"Cardiovascular Research Institute, and Departments of"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lennell","family":"Allen","sequence":"additional","affiliation":[{"name":"Cardiovascular Research Institute, and Departments of"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert 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