{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,13]],"date-time":"2026-03-13T16:45:24Z","timestamp":1773420324697,"version":"3.50.1"},"reference-count":42,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"5","license":[{"start":{"date-parts":[[2015,9,1]],"date-time":"2015-09-01T00:00:00Z","timestamp":1441065600000},"content-version":"tdm","delay-in-days":1400,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2011,11]]},"abstract":"<jats:sec>\n            <jats:title\/>\n            <jats:p>The identification of resident stem cells in the mouse gallbladder is, to date, unexplored. In addition, the relationship between adult gallbladder stem cells and intrahepatic bile duct (IHBD) cells is not well understood. The aim of this study was to isolate stem cells from an adult mouse gallbladder and determine whether they were unique, compared to IHBD cells. By limiting dilution analyses and index sorts, we found that an EpCAM<jats:sup>+<\/jats:sup>CD49f<jats:sup>hi<\/jats:sup> epithelial cell subpopulation from primary gallbladder is enriched in colony-forming cells, compared to EpCAM<jats:sup>+<\/jats:sup>CD49f<jats:sup>lo<\/jats:sup> cells. EpCAM<jats:sup>+<\/jats:sup>CD49f<jats:sup>hi<\/jats:sup> cells expressed cluster of differentiation (CD)29, CD133, and stem cell antigen-1, but were negative for lineage markers CD31, CD45, and F4\/80. Using a novel feeder cell-culture system, we observed long-term (&gt;passage 20) and clonal expansion of the EpCAM<jats:sup>+<\/jats:sup>CD49f<jats:sup>hi<\/jats:sup> cells <jats:italic toggle=\"yes\">in vitro<\/jats:italic>. In a matrigel differentiation assay, EpCAM<jats:sup>+<\/jats:sup>CD49f<jats:sup>+<\/jats:sup> cells expanding <jats:italic toggle=\"yes\">in vitro<\/jats:italic> underwent organotypic morphogenesis forming ductular structures and cysts. These structures are similar to, and recapitulate a transport function of, primary gallbladder. EpCAM<jats:sup>+<\/jats:sup>CD49f<jats:sup>+<\/jats:sup> cells also engraft into the subcutaneous space of recipient mice. We compared primary gallbladder and IHBD cells by flow cytometry and found phenotypic differences in the expression of CD49f, CD49e, CD81, CD26, CD54, and CD166. In addition, oligonucleotide microarrays showed that the expanded EpCAM<jats:sup>+<\/jats:sup>CD49f<jats:sup>+<\/jats:sup> gallbladder cells and IHBD cells exhibit differences related to lipid and drug metabolism. Notable genes that were different are cytochrome P450, glutathione <jats:italic toggle=\"yes\">S<\/jats:italic>-transferase, Indian hedgehog, and solute carrier family genes. <jats:italic toggle=\"yes\">Conclusion:<\/jats:italic> We have isolated an epithelial cell population from primary mouse gallbladder with stem cell characteristics and found it to be unique, compared to IHBD cells. (Hepatology 2011)<\/jats:p>\n          <\/jats:sec>","DOI":"10.1002\/hep.24568","type":"journal-article","created":{"date-parts":[[2011,7,26]],"date-time":"2011-07-26T13:49:47Z","timestamp":1311688187000},"page":"1830-1841","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":18,"title":["Identification and expansion of a unique stem cell population from adult mouse gallbladder"],"prefix":"10.1097","volume":"54","author":[{"given":"Rohan","family":"Manohar","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Junji","family":"Komori","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lynda","family":"Guzik","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Donna 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