Please use this identifier to cite or link to this item: http://bura.brunel.ac.uk/handle/2438/3081
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dc.contributor.authorBryce, SD-
dc.contributor.authorMorrison, V-
dc.contributor.authorCraig, NJ-
dc.contributor.authorForsyth, NR-
dc.contributor.authorFitzsimmons, SA-
dc.contributor.authorIreland, H-
dc.contributor.authorCuthbert, AP-
dc.contributor.authorNewbold, RF-
dc.contributor.authorParkinson, EK-
dc.coverage.spatial7en
dc.date.accessioned2009-03-05T16:42:20Z-
dc.date.available2009-03-05T16:42:20Z-
dc.date.issued2002-
dc.identifier.citationNeoplasia. 4 (6) 544-550en
dc.identifier.urihttp://bura.brunel.ac.uk/handle/2438/3081-
dc.description.abstractHuman chromosome 4 was previously shown to elicit features of senescence when introduced into cell lines that map to complementation group B for senescence, including HeLa cells. Subsequently, a DNA segment encoding the pseudogene Mortality Factor 4 (MORF4) was shown to reproduce some of the effects of the intact chromosome 4 and was suggested to be a candidate mortality gene. We have identified multiple MORF4 alleles in several cell lines and tissues by sequencing and have failed to detect any cancer-specific mutations in three of the complementation group B lines (HeLa, T98G, and J82). Furthermore, MORF4 was heterozygous in these lines. These results question whether MORF4 is the chromosome 4 mortality gene. To map other candidate mortality gene(s) on this chromosome, we employed microcell-mediated monochromosome transfer to introduce either a complete copy, or defined fragments of the chromosome into HeLa cells. The introduced chromosome 4 fragments mapped the mortality gene to a region between the centromere and the marker D4S2975 (4q27), thus excluding MORF4, which maps to 4q33-q34.1. Analysis of microsatellite markers on the introduced chromosome in 59 immortal segregants identified a frequently deleted region, spanning the markers BIR0110 and D4S1557. This defines a new candidate interval of 130 kb at 4q22-q23en
dc.format.extent204 bytes-
dc.format.mimetypetext/plain-
dc.language.isoen-
dc.publisherNeoplasia Pressen
dc.titleA mortality gene(s) for the human adenocarcinoma line HeLa maps to a 130-kb region of human chromosome 4q22-q23en
dc.typeResearch Paperen
Appears in Collections:Biological Sciences
Dept of Life Sciences Research Papers

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