國家衛生研究院 NHRI:Item 3990099045/2690
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/2690


    Title: Allelic loss of the BRCA1 and BRCA2 genes and other regions on 17q and 13q in breast cancer among women from Taiwan (area of low incidence but early onset)
    Authors: Lo, YL;Yu, JC;Huang, CS;Tseng, SL;Chang, TM;Chang, KJ;Wu, CW;Shen, CY
    Contributors: National Institute of Cancer Research
    Abstract: We have examined the role of the breast cancer susceptibility genes BRCA1 and BRCA2 and other loci in the vicinity of these 2 genes on the long arms of chromosomes 17 and 13 (17q and 13q) for the presence of genomic deletions in breast cancer among Taiwanese women. Breast cancer in Taiwan is particularly characterized by its low incidence rate and its early age of tumor onset. Twelve microsatellite markers spanning the region 17q12- 21 and 8 microsatellite markers spanning the region 13q 12- 14 were analyzed for allelic loss or loss of heterozygosity (LOH) in 90 patients with primary infiltrating ductal carcinoma. Compared with the background LOH level (10- 12%) estimated by LOH at 4 unrelated loci, 17 markers (II at 17q and 6 at 13q) demonstrated a significantly increased frequency (21 - 42%) of allelic loss (p < 0.05). Subsequent construction of deletion maps based on LOH at these significant loci localized the 6 smallest regions of overlap, including those harboring BRCA1, BRCA2, the retinoblastoma gene and 3 novel regions (the Ist located approximately 0.5 to 1 cM telomeric to BRCA1, the 2nd centromeric to BRCA1 Ranked by D17S857 / D17S846 and the 3rd closely adjacent to BRCA2), suggesting sites of susceptibility genes. Allelic loss at BRCA1 and BRCA2 was specifically associated with poorly differentiated tumors. (C) 1998 Wiley-Liss, Inc.
    Keywords: Oncology
    Date: 1998-12
    Relation: International Journal of Cancer. 1998 Dec;79(6):580-587.
    Link to: http://www3.interscience.wiley.com/journal/5005051/abstract
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0020-7136&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000077187500005
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0031793995
    Appears in Collections:[Cheng-Wen Wu(1996-2008)] Periodical Articles

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