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Articles by S. K Hussain
Total Records ( 1 ) for S. K Hussain
  S. L Park , D Bastani , B. Y Goldstein , S. C Chang , W Cozen , L Cai , C Cordon Cardo , B Ding , S Greenland , N He , S. K Hussain , Q Jiang , Y. C. A Lee , S Liu , M. L Lu , T. M Mack , J. T Mao , H Morgenstern , L. N Mu , S. S Oh , A Pantuck , J. C Papp , J Rao , V. E Reuter , D. P Tashkin , H Wang , N. C. Y You , S. Z Yu , J. K Zhao and Z. F. Zhang
 

Constituents of tobacco smoke can cause DNA double-strand breaks (DSBs), leading to tumorigenesis. The NBS1 gene product is a vital component in DSB detection and repair, thus genetic variations may influence cancer development. We examined the associations between NBS1 polymorphisms and haplotypes and newly incident smoking-related cancers in three case–control studies (Los Angeles: 611 lung and 601 upper aero-digestive tract (UADT) cancer cases and 1040 controls; Memorial Sloan-Kettering Cancer Center: 227 bladder cancer cases and 211 controls and Taixing, China: 218 esophagus, 206 stomach, 204 liver cancer cases and 415 controls). rs1061302 was associated with cancers of the lung [adjusted odds ratio (ORadj) = 1.6, 95% confidence interval (CI): 1.2, 2.4], larynx (ORadj = 0.56, 95% CI: 0.32, 0.97) and liver (ORadj = 1.7, 95% CI: 1.0, 2.9). Additionally, positive associations were found for rs709816 with bladder cancer (ORadj = 4.2, 95% CI: 1.4, 12) and rs1063054 with lung cancer (ORadj = 1.6, 95% CI: 1.0, 2.3). Some associations in lung and stomach cancers varied with smoking status. CAC haplotype was positively associated with smoking-related cancers: lung (ORadj = 1.7, 95% CI: 1.1, 2.9) and UADT (ORadj = 2.0, 95% CI: 1.1, 3.7), specifically, oropharynx (ORadj = 2.1, 95% CI: 1.0, 4.2) and larynx (ORadj = 4.8, 95% CI: 1.7, 14). Bayesian false-discovery probabilities were calculated to assess Type I error. It appears that NBS1 polymorphisms and haplotypes may be associated with smoking-related cancers and that these associations may differ by smoking status. Our findings also suggest that single-nucleotide polymorphisms located in the binding region of the MRE-RAD50-NBS1 complex or microRNA targeted pathways may influence tumor development. These hypotheses should be further examined in functional studies.

 
 
 
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