کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10900376 | 1084639 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Glutathione S-transferase genotypes and cancer risk
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
تحقیقات سرطان
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Over 500 studies have examined the association of genetic variants of glutathione S-transferases with various malignancies yielding inconsistent results. The genotyping was based on PCR assays that identified the GSTM1 and GSTT1 null (â/â) genotypes but did not distinguish homozygous wild-type +/+ and heterozygous +/â individuals. Complete GSTM1 and GSTT1 genotyping can be accomplished by recently developed assays [Cancer Res. 64 (2004) 1233-1236; Pharmacogenetics 10 (2000) 557-565] that allow the definition of +/+, +/â, and â/â genotypes by separate identification of the respective GSTM1 and GSTT1 wild-type and null alleles. Application of the new GSTM1 assay to a breast cancer case-control study revealed that the relative risk of breast cancer for the +/+ genotype compared to the â/â genotype was 2.83 (95% confidence interval 1.45-5.59; P=0.002), suggesting a protective effect of the GSTM1 deletion [Cancer Res. 64 (2004) 1233-1236]. Regardless of the explanation for the association between the +/+ genotype and increased breast cancer risk, these results warrant application of true GSTM1 and GSTT1 genotyping to additional or previously analyzed groups with breast cancer or other malignancies.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cancer Letters - Volume 221, Issue 2, 28 April 2005, Pages 123-129
Journal: Cancer Letters - Volume 221, Issue 2, 28 April 2005, Pages 123-129
نویسندگان
Fritz F. Parl,