نتایج جستجو برای: high risk genotypes
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The association of HLA-A,B,C, DR polymorphisms and of Bf and GLO with coeliac disease was analysed in 100 Italian children. Primary involvement of HLA-DR3 and DR7 is apparent, while specificities of nearby loci are probably associated secondarily, because of linkage disequilibrium. Direct assessment of D/DR genotype through family studies and mixed lymphocyte cultures led to the recognition of ...
We analyzed human papillomavirus (HPV) prevalences during prevaccination and postvaccination periods to consider possible changes in nonvaccine HPV genotypes after introduction of vaccines that confer protection against 2 high-risk types, HPV16 and HPV18. Our meta-analysis included 9 studies with data for 13,886 girls and women ≤19 years of age and 23,340 women 20-24 years of age. We found evid...
Patients with systemic lupus erythematosus (SLE) have increased risk of atherosclerosis and CVD that cannot be explained by traditional risk factors. Previous studies indicated that mannose binding lectin (MBL) may modify the development of atherosclerosis. This study was designed to investigate association of MBL gene polymorphism with occurrence of preclinical atherosclerosis in SLE. The stud...
Alpha 1-antitrypsin (AAT) or alpha 1-protease inhibitor (PI) is the principal inhibitor of proteolytic enzyme in serum. Its phenotypic variability has been reported to be associated with liver, lung diseases and rheumatoid arthritis in humans. There is much documentation about high risk phenotypes of PI in some regions of the world, however, there are no reliable reports on these phenotypes and...
Hyperhomocysteinemia is an independent risk factor for coronary artery disease (CAD). The aim of this study was to investigate the relations between the methylenetetrafolate reductase (MTHFR) 677C-->T genotypes, B-vitamins (folate, vitamin B-12 and B-6), homocysteine and the risk of CAD. In this case-control study, patients who were identified by cardiac catheterization as having at least 50% s...
Younger siblings of children with autism spectrum disorder (ASD; high-risk siblings) exhibit lower levels of initiating joint attention (IJA; sharing an object or experience with a social partner through gaze and/or gesture) than low-risk siblings of children without ASD. However, high-risk siblings also exhibit substantial variability in this domain. The neurotransmitter dopamine is linked to ...
Genetic risk can be decreased: Quitting smoking decreases and delays lung cancer for smokers with high and low CHRNA5 risk genotypes — A meta-analysis. a b s t r a c t a r t i c l e i n f o Background: Recent meta-analyses show that individuals with high risk variants in CHRNA5 on chromosome 15q25 are likely to develop lung cancer earlier than those with low-risk genotypes. The same high-risk g...
Functional mouse double minute-2 (MDM2) promoter variants may alter MDM2 expression and thus affect radiotherapy response and prognosis of squamous cell carcinoma of oropharynx (SCCOP). Thus we assessed association of 2 functional MDM2 promoter variants with recurrence risk of SCCOP. The disease-free survival (DFS) of patients with MDM2rs2279744 TT or MDM2rs937283 AA genotypes was significantly...
Infection with certain types of human papillomavirus (HPV) has been associated with the development of cervical and anal cancer. Worldwide, the incidence of anal cancer has increased markedly. The present study aimed to evaluate the prevalence of HPV infection of the uterine cervix and anal canal in human immunodeficiency virus (HIV)- and non-HIV-infected risk populations. Cervical and anal HPV...
BACKGROUND Recent meta-analyses show that individuals with high risk variants in CHRNA5 on chromosome 15q25 are likely to develop lung cancer earlier than those with low-risk genotypes. The same high-risk genetic variants also predict nicotine dependence and delayed smoking cessation. It is unclear whether smoking cessation confers the same benefits in terms of lung cancer risk reduction for th...
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