{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,21]],"date-time":"2026-05-21T05:36:58Z","timestamp":1779341818935,"version":"3.51.4"},"reference-count":51,"publisher":"The Company of Biologists","issue":"1","license":[{"start":{"date-parts":[[1985,6,1]],"date-time":"1985-06-01T00:00:00Z","timestamp":486432000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/www.biologists.com\/user-licence-1-1\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1985,6,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n               <jats:p>Fusion between HeLa and fibroblasts from complementation group D xeroderma pigmentosum (XPD) followed by challenge with small doses of ultraviolet light (u.v.) results in the production of hybrid cells expressing either HeLa (HD1) or XPn-like (HD2) sensitivity to u.v. and related repair capacity. Assays used include unscheduled DNA synthesis (UDS), DNA break accumulation in the presence of inhibitors of DNA repair synthesis and host cell reactivation of irradiated adenovirus. Complementation assay in heterokaryons reveals limited ability of HD2 to restore UDS in XPD nuclei. We believe this complementation is more apparent than real since proliferating hybrids of HD2 and XPD parentage are without exception u.v.-sensitive and express limited excision repair. On the other hand hybrids between HD2 and XPc, XPE or XPR fibroblasts show true complementation resulting in a return to normal u.v. sensitivity and elevated repair ability.<\/jats:p>","DOI":"10.1242\/jcs.76.1.115","type":"journal-article","created":{"date-parts":[[2021,4,24]],"date-time":"2021-04-24T05:32:23Z","timestamp":1619242343000},"page":"115-133","source":"Crossref","is-referenced-by-count":24,"title":["Xeroderma pigmentosum d-hela hybrids with low and high ultraviolet sensitivity associated with normal and diminished dna repair ability, respectively"],"prefix":"10.1242","volume":"76","author":[{"given":"R. T.","family":"Johnson","sequence":"first","affiliation":[{"name":"University of Cambridge, Cambridge CB2 3EJ Cancer Research Campaign Mammalian Cell DNA Repair Group, Department of Zoology , , U.K."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shoshana","family":"Squires","sequence":"additional","affiliation":[{"name":"University of Cambridge, Cambridge CB2 3EJ Cancer Research Campaign Mammalian Cell DNA Repair Group, Department of Zoology , , U.K."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G. C.","family":"Elliott","sequence":"additional","affiliation":[{"name":"University of Cambridge, Cambridge CB2 3EJ Cancer Research Campaign Mammalian Cell DNA Repair Group, Department of Zoology , , U.K."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G. L. 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