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2003 JUN 5 - (NewsRx.com & NewsRx.net) -- 1100delC may be the only CHEK2 allele that contributes to breast cancer.
According to a study from England, "We recently reported that a sequence variant in the cell-cycle-checkpoint kinase CHEK2 (CHEK2 1100delC) is a low-penetrance breast cancer-susceptibility allele in noncarriers of BRCA1 or BRCA2 mutations.
"To investigate whether other CHEK2 variants confer susceptibility to breast cancer, we screened the full CHEK2 coding sequence in BRCA1/2-negative breast cancer cases from 89 pedigrees with three or more cases of breast cancer.
"We identified one novel germline variant, R117G, in two separate families," wrote M. Schutte and colleagues, Wellcome Trust Sanger Institute, Cancer Genome Project.
"To evaluate the possible association of R117G and two germline variants reported elsewhere, R145W and I157T with breast cancer, we screened 737 BRCA1/2-negative familial breast cancer cases from 605 families, 459 BRCA1/2-positive cases from 335 families, and 723 controls from the United Kingdom, the Netherlands, and North America," the ...
Source: HighBeam Research, 1100delC may be the only CHEK2 allele that contributes to breast...