当前位置： SCI文献检索 > Familial Cancer期刊下所有文献 > The 1100delAT BRCA1 and the 8765delAG BRCA2 mutations: occurrence in high-risk non-Ashkenazi Jews and haplotype comparison of Jewish and non-Jewish carriers.

The 1100delAT BRCA1 and the 8765delAG BRCA2 mutations: occurrence in high-risk non-Ashkenazi Jews and haplotype comparison of Jewish and non-Jewish carriers.

Abstract：

:Few mutations have been described in BRCA1 and BRCA2 in high-risk non-Ashkenazi Jews. In a Libyan family the 1100delAT BRCA1 mutation was detected and the 8765delAG BRCA2 mutation was previously described in two Jewish-Yemenite-families. In this study, the rate of these mutations in high-risk Jews of North African and Yemenite origin was assessed, and the BRCA1 -linked haplotype of Jewish and non-Jewish 1100delAT mutation carriers were compared. Genotyping included 64 high-risk Yemenite women (tested only for the BRCA 2 mutation) and 147 high-risk North African women, tested for both mutations. PCR amplification was followed by either restriction enzyme digestion or DGGE or dHPLC analyses and direct sequencing. For haplotyping, 5 BRCA1 -linked markers were used. Neither the 1100delAT BRCA1 nor the 8765delAG BRCA2 mutations were detected in any non-Ashkenazi individual. The haplotype of the non-Jewish 1100delAG mutation carrier differed from that of the Jewish-Libyan mutation carriers. We conclude that both1100delAT BRCA1 and 8765delAG BRCA2 mutations occur rarely in high-risk non-Ashkenazi Jews, and while the latter seems to be a founder mutation in some populations, the former occurs on a different background in ethnically diverse families.

journal_name

Fam Cancer

journal_title

Familial cancer

authors

Gal I,Gershoni Baruch R,Haber D,Dagan E,Eisenberg-Barzilai S,Zidan J,Friedman E

doi

10.1023/B:FAME.0000026837.32470.b4

keywords:

subject

Has Abstract

pub_date

2004-01-01 00:00:00

pages

11-4

issue

1

eissn

1389-9600

issn

1573-7292

pii

5270619

journal_volume

3

pub_type

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