{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T00:06:48Z","timestamp":1790986008370,"version":"4.1.0"},"reference-count":32,"publisher":"The Company of Biologists","issue":"7","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2002,4,1]]},"abstract":"<jats:p>Regeneration of the mesothelium is unlike that of other epithelial-like surfaces, as healing does not occur solely by centripetal migration of cells from the wound edge. The mechanism of repair of mesothelium is controversial,but it is widely accepted, without compelling evidence, that pluripotent cells beneath the mesothelium migrate to the surface and differentiate into mesothelial cells. In this study we examined an alternative hypothesis, using in vivo cell-tracking studies, that repair involves implantation,proliferation and incorporation of free-floating mesothelial cells into the regenerating mesothelium. Cultured mesothelial cells, fibroblasts and peritoneal lavage cells were DiI- or PKH26-PCL-labelled and injected into rats immediately following mesothelial injury. Implantation of labelled cells was assessed on mesothelial imprints using confocal microscopy, and cell proliferation was determined by proliferating cell nuclear antigen immunolabelling. Incorporation of labelled cells, assessed by the formation of apical junctional complexes, was shown by confocal imaging of zonula occludens-1 protein. Labelled cultured mesothelial and peritoneal lavage cells, but not cultured fibroblasts, implanted onto the wound surface 3, 5 and 8 days after injury. These cells proliferated and incorporated into the regenerated mesothelium, as demonstrated by nuclear proliferating cell nuclear antigen staining and membrane-localised zonula occludens-1 expression,respectively. Furthermore, immunolocalisation of the mesothelial cell marker HBME-1 demonstrated that the incorporated, labelled lavage-derived cells were mesothelial cells and not macrophages as it had previously been suggested. This study has clearly shown that serosal healing involves implantation,proliferation and incorporation of free-floating mesothelial cells into the regenerating mesothelium.<\/jats:p>","DOI":"10.1242\/jcs.115.7.1383","type":"journal-article","created":{"date-parts":[[2021,4,25]],"date-time":"2021-04-25T13:45:29Z","timestamp":1619358329000},"page":"1383-1389","source":"Crossref","is-referenced-by-count":125,"title":["Evidence for incorporation of free-floating mesothelial cells as a mechanism of serosal healing"],"prefix":"10.1242","volume":"115","author":[{"given":"Adam J.","family":"Foley-Comer","sequence":"first","affiliation":[{"name":"Department of Medicine, Royal Free and University College Medical School,The Rayne Institute, London, WC1E 6JJ, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sarah E.","family":"Herrick","sequence":"additional","affiliation":[{"name":"Department of Medicine, Royal Free and University College Medical School,The Rayne Institute, London, WC1E 6JJ, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Talib","family":"Al-Mishlab","sequence":"additional","affiliation":[{"name":"Department of Medicine, Royal Free and University College Medical School,The Rayne Institute, London, WC1E 6JJ, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cecilia M.","family":"Pre\u0302le","sequence":"additional","affiliation":[{"name":"Department of Medicine, Royal Free and University College Medical School,The Rayne Institute, London, WC1E 6JJ, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Geoffrey J.","family":"Laurent","sequence":"additional","affiliation":[{"name":"Department of Medicine, Royal Free and University College Medical School,The Rayne Institute, London, WC1E 6JJ, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Steven E.","family":"Mutsaers","sequence":"additional","affiliation":[{"name":"Present address: University Department of Surgery, University of Western Australia, Royal Perth Hospital, Perth, Western Australia, 6000,Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"237","reference":[{"key":"2021042517340018100_REF1","doi-asserted-by":"crossref","unstructured":"Andrade, W., Seabrook, T. 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