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| Content Provider | Springer Nature Link |
|---|---|
| Author | Alagarasu, K. Selvaraj, P. Swaminathan, S. Narendran, G. Narayanan, P. R. |
| Copyright Year | 2008 |
| Abstract | Vitamin D receptor (VDR) gene polymorphisms in the 5′ regulatory region (Cdx2 and A-1012G), coding region (FokI), and 3′ untranslated region (UTR; BsmI, ApaI, and TaqI) were studied to find out whether these polymorphisms are associated with susceptibility to or protection against HIV-1 and development of tuberculosis (TB) in human immunodeficiency virus (HIV)-1-infected patients.The study was carried out in 131 HIV patients without TB (HIV+ TB−) and 113 HIV patients with TB (HIV+ TB+; includes 82 patients with pulmonary TB (HIV+ PTB+) and 31 with extra pulmonary TB), 108 HIV-negative pulmonary TB patients (HIV− PTB+), and 146 healthy controls.Among the 5′ regulatory and coding region polymorphisms, significantly increased frequency of G/A genotype of Cdx-2 was observed in HIV+ TB− group compared to controls (p = 0.012, odds ratio (OR) 1.89 95% confidence interval (CI) 1.14–3.15). In the 3′ UTR genotypes, a decreased frequency of b/b genotype of BsmI in total HIV patients (p = 0.014, OR 0.54 95% CI 0.32–0.89) and increased frequencies of A/A genotype of ApaI in HIV+ TB+ patients (p = 0.041, OR 1.77 95% CI 1.02–3.06) and t/t genotype of TaqI in HIV+ PTB+ patients (p = 0.05, OR 2.32 95% CI 0.99–5.46) were observed compared to controls. Haplotype analysis revealed significantly increased frequencies of 3′ UTR haplotype B-A-t in HIV+ TB+ and HIV+ PTB+ groups (Pc = 0.030, OR 1.75 95% CI 1.14–2.66) and decreased frequencies of b-A-T haplotype in total HIV patients (Pc = 0.012, OR 0.46 95% CI 0.27–0.77), HIV+ TB− (p = 0.031 OR 0.48 95% CI 0.25–0.89), and HIV+ PTB+ groups (Pc = 0.04, OR 0.47 95% CI 0.23–0.89) compared to controls.The results suggest that VDR gene 3′ UTR haplotype b-A-T may be associated with protection against HIV infection while B-A-t haplotype might be associated with susceptibility to development of TB in HIV-1-infected patients. |
| Starting Page | 196 |
| Ending Page | 204 |
| Page Count | 9 |
| File Format | |
| ISSN | 02719142 |
| Journal | Journal of Clinical Immunology |
| Volume Number | 29 |
| Issue Number | 2 |
| e-ISSN | 15732592 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2008-08-20 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Vitamin D receptor polymorphisms HIV-1 tuberculosis HIV–TB Medical Microbiology Internal Medicine Infectious Diseases Immunology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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