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Genomics. 1998 Aug 15;52(1):9-16.

Mapping an endometrial cancer tumor suppressor gene at 10q25 and development of a bacterial clone contig for the consensus deletion interval.

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  • 1Department of Surgery, Washington University School of Medicine, 660 South Euclid Avenue, St. Louis, Missouri, 63110, USA.


Frequent loss of chromosome 10q sequences in endometrial cancers suggests the involvement of a tumor suppressor gene. Previous loss-of-heterozygosity (LOH)studies have pointed to the 10q25-q26 region as the likely site of a tumor suppressor involved in endometrial tumorigenesis (S. L. Peiffer et al., 1995, Cancer Res. 55: 1922-1926; S. Nagase et al., 1996, Br. J. Cancer 74: 1979-1983; S. Nagase et al.,1997, Cancer Res. 57: 1630-1633). In an attempt to define further the localization of a tumor suppressor gene at 10q25, we screened a panel of 123 endometrioid adenocarcinomas for loss of heterozygosity of 10q25.3 sequences. Forty-three (35%) revealed LOH at one or more loci. The observed patterns of allelic loss define a minimum consensus region of deletion between D10S221 and D10S610. A sequence-ready bacterial clone contig and a long-range restriction map for a 1-Mb interval spanning the deletion region were developed as the first step in experiments directed toward the discovery the 10q25 tumor suppressor.

Copyright 1998 Academic Press.

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