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  • 1
    Publication Date: 1996-01-19
    Description: About 90 percent of human pancreatic carcinomas show allelic loss at chromosome 18q. To identify candidate tumor suppressor genes on 18q, a panel of pancreatic carcinomas were analyzed for convergent sites of homozygous deletion. Twenty-five of 84 tumors had homozygous deletions at 18q21.1, a site that excludes DCC (a candidate suppressor gene for colorectal cancer) and includes DPC4, a gene similar in sequence to a Drosophila melanogaster gene (Mad) implicated in a transforming growth factor-beta (TGF-beta)-like signaling pathway. Potentially inactivating mutations in DPC4 were identified in six of 27 pancreatic carcinomas that did not have homozygous deletions at 18q21.1. These results identify DPC4 as a candidate tumor suppressor gene whose inactivation may play a role in pancreatic and possibly other human cancers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hahn, S A -- Schutte, M -- Hoque, A T -- Moskaluk, C A -- da Costa, L T -- Rozenblum, E -- Weinstein, C L -- Fischer, A -- Yeo, C J -- Hruban, R H -- Kern, S E -- CA62924/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1996 Jan 19;271(5247):350-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8553070" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Sequence ; Animals ; Base Sequence ; Cell Division ; Chromosome Mapping ; *Chromosomes, Human, Pair 18 ; *DNA-Binding Proteins ; Gene Deletion ; Gene Expression ; *Genes, Tumor Suppressor ; Genetic Markers ; Humans ; Mice ; Molecular Sequence Data ; Mutation ; Neoplasm Transplantation ; Pancreatic Neoplasms/*genetics/pathology ; Proteins/chemistry/*genetics/physiology ; Signal Transduction ; Smad4 Protein ; *Trans-Activators ; Transforming Growth Factor beta/physiology ; Transplantation, Heterologous ; Tumor Cells, Cultured
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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