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| Content Provider | Springer Nature Link |
|---|---|
| Author | Gangwar, Ruchika Manchanda, Parmeet Kaur Mittal, Rama Devi |
| Copyright Year | 2008 |
| Abstract | Identifying risk factors for human cancers should consider combinations of genetic variations and environmental exposures. Several polymorphisms in DNA repair genes have impact on repair and cancer susceptibility. We focused on X-ray repair cross-complementing group 1 (XRCC1), Xeroderma pigmentosum D (XPD) and apurinic/apyrimidinic endonuclease (APE1) as these are most extensively studied in cancer. Present study was conducted to determine distribution of XRCC1 C26304T, G27466A, G23591A, APE1 T2197G and XPD A35931C gene polymorphisms in North Indian population and compare with different populations globally. PCR-based analysis was conducted in 209 normal healthy individuals of similar ethnicity. Allelic frequencies in wild type of XRCC1 C26304T were 91.1% C(Arg); G27466A 62.9% G(Arg); G23591A 60.3% G(Arg); APE1 T2197G 75.1% T(Asp) and XPD A35931C 71.8% A(Lys). The variant allele frequency were 8.9% T(Trp) in XRCC1 C26304T; 37.1% A(His) in G27466A; 39.7% A(Gln) in G23591A; 24.9% G(Glu) in APE1 and 28.2% C(Gln) in XPD respectively. We further compared frequency distribution for these genes with various published studies in different ethnicity. Our results suggest that frequency in these DNA repair genes exhibit distinctive pattern in India that could be attributed to ethnicity variation. This could assist in high-risk screening of humans exposed to environmental carcinogens and cancer predisposition in different ethnic groups. |
| Starting Page | 163 |
| Ending Page | 169 |
| Page Count | 7 |
| File Format | |
| ISSN | 00166707 |
| Journal | Genetica |
| Volume Number | 136 |
| Issue Number | 1 |
| e-ISSN | 15736857 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2008-10-23 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | APE1 DNA repair PCR-RFLP Polymorphism XPD XRCC1 Microbial Genetics and Genomics Human Genetics Plant Genetics & Genomics Animal Genetics and Genomics Life Sciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Plant Science Medicine Animal Science and Zoology Insect Science |
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