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Articles by Shantanu Sengupta
Total Records ( 2 ) for Shantanu Sengupta
  Indu Kohaar , J Kumar , Nisha Thakur , Showket Hussain , Md. Kausar Niyaz , Bhudev C. Das , Shantanu Sengupta and Mausumi Bharadwaj
  Human papillomavirus is considered to be a major aetiological factor but is not sufficient for the development of cervical cancer. Other host factors, including altered homocysteine levels, a functional marker of folate inadequacy, might contribute to the carcinogenic process. Herein we investigated the potential association of homocysteine levels and MTHFR polymorphisms with cervical cancer in 203 histologically confirmed cases including 39 precancer cases and 231 healthy controls with normal cervical cytology. Both patients and controls were screened for human papillomavirus infection. We found that homocysteine and consequently cysteine levels were significantly higher in cases, both cancer and precancer (p<0.001) than controls. However, polymorphisms in the MTHFR gene (677C/T and 1298A/C) that are reported to modulate homocysteine levels were not associated with disease. Thus, our study establishes an association of total homocysteine levels with the risk of developing carcinoma of the uterine cervix.
  Jitender Kumar , Gaurav Garg , Ganesan Karthikeyan and Shantanu Sengupta
  Cystathionine β-synthase (CBS) is a key enzyme that plays a critical role in homocysteine metabolism and intracellular redox balance. We have analysed the association of the CBS 844Ins68 polymorphism alone and in combination with methylenetetrahydrofolate reductase (MTHFR C677T) and choline dehydrogenase (CHDH A119C) polymorphisms (the two polymorphisms recently shown to be associated with levels of homocysteine) with homocysteine, cysteine, folate and vitamin B12 in 817 individuals (397 patients with coronary artery disease and 420 controls). The CBS 844Ins68 polymorphism alone or in combination with MTHFR C677T and CHDH A119C polymorphisms was not significantly associated with any of the biochemical variables studied.
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