{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T23:09:19Z","timestamp":1790636959689,"version":"4.1.0"},"reference-count":82,"publisher":"American Society for Clinical Investigation","issue":"10","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2016,7,7]]},"abstract":"<jats:p>\n                    High-grade serous ovarian carcinoma (HGS-OvCa) harbors p53 mutations and can originate from the epithelial cell compartment of the fallopian tube fimbriae. From this site, neoplastic cells detach, survive in the peritoneal cavity, and form cellular clusters that intercalate into the mesothelium to form ovarian and peritoneal masses. To examine the contribution of mutant p53 to phenotypic alterations associated with HGS-OvCA, we developed live-cell microscopy assays that recapitulate these early events in cultured fallopian tube nonciliated epithelial (FNE) cells. Expression of stabilizing mutant variants of p53, but not depletion of endogenous wild-type p53, in FNE cells promoted survival and cell-cell aggregation under conditions of cell detachment, leading to the formation of cell clusters with mesothelium-intercalation capacity. Mutant p53\n                    <jats:sup>R175H<\/jats:sup>\n                    -induced phenotypes were dependent on fibronectin production, \u03b15\u03b21 fibronectin receptor engagement, and\n                    <jats:italic>TWIST1<\/jats:italic>\n                    expression. These results indicate that FNE cells expressing stabilizing p53 mutants acquire anchorage independence and subsequent mesothelial intercalation capacity through a mechanism involving mesenchymal transition and matrix production. These findings provide important new insights into activities of mutant p53 in the cells of origin of HGS-OvCa.\n                  <\/jats:p>","DOI":"10.1172\/jci.insight.86829","type":"journal-article","created":{"date-parts":[[2016,7,6]],"date-time":"2016-07-06T11:00:57Z","timestamp":1467802857000},"source":"Crossref","is-referenced-by-count":50,"title":["Mutant p53 regulates ovarian cancer transformed phenotypes through autocrine matrix deposition"],"prefix":"10.1172","volume":"1","author":[{"given":"Marcin P.","family":"Iwanicki","sequence":"first","affiliation":[{"name":"Department of Cell Biology, Harvard Medical School, Boston, Massachusetts, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hsing-Yu","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Cell Biology, Harvard Medical School, Boston, Massachusetts, 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