{"id":49511,"date":"2005-12-01T00:00:00","date_gmt":"2018-12-04T03:58:08","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/mgmt-genotype-modulates-the-associations-between-cigarette\/"},"modified":"2018-12-04T04:58:08","modified_gmt":"2018-12-04T03:58:08","slug":"mgmt-genotype-modulates-the-associations-between-cigarette","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/mgmt-genotype-modulates-the-associations-between-cigarette\/","title":{"rendered":"Mgmt genotype modulates the associations between cigarette smoking, dietary antioxidants and breast cancer risk."},"content":{"rendered":"<p>O(6)-methylguanine DNA methyl-transferase (MGMT) is the only known critical gene involved in cellular defense against alkylating agents in the DNA direct reversal repair (DRR) pathway. Three single nucleotide polymorphism (SNP) coding for non-conservative amino acid substitutions have been identified [C250T (Leu84Phe), A427G (Ile143Val) and A533G (Lys178Arg)]. To examine the importance of the DRR pathway in risk for breast cancer and the potential interaction with cigarette smoking and dietary antioxidants, we genotyped for these variants using biospecimens from the Long Island Breast Cancer Study Project. Genotyping was performed by a high throughput assay with fluorescence polarization and included 1067 cases and 1110 controls. Overall, there was no main effect between any variant genotype, haplotype or diplotype and breast cancer risk. Heavy smoking (&gt;31 pack-year) significantly increased breast cancer risk for women with the codon 84 variant T-allele [odds ratio, OR = 3.0, 95% confidence interval (95% CI) = 1.4-6.2]. An inverse association between fruits and vegetables consumption and breast cancer risk was observed among women with the wild-type genotype for codon 84 (OR = 0.8, 95% CI = 0.6-0.9 for &gt; or =35 servings of fruits and vegetables per week and CC genotype versus those with  or =35 servings of fruits and vegetables per week and AG or GG genotype versus those with &lt;35 servings per week and AA genotype). Similar patterns were observed for dietary alpha-carotene and supplemental beta-carotene, but not for supplemental vitamins C and E. These data suggest that polymorphisms in MGMT may modulate the inverse association previously observed between fruits and vegetables consumption, dietary antioxidants and breast cancer risk, and support the importance of fruits and vegetables on breast cancer risk reduction.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-49511","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Department of Environmental Health Sciences, Columbia University, New York, NY 10032, USA. js2182@columbia.edu","annee":"2005","mois":"12","numero":"26:12","page":"2131-7","auteurs":[{"ID":18950,"post_author":"0","post_date":"2018-12-03 20:14:47","post_date_gmt":"2018-12-03 19:14:47","post_content":"","post_title":"Regina M Santella","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"regina-m-santella","to_ping":"","pinged":"","post_modified":"2018-12-03 20:14:47","post_modified_gmt":"2018-12-03 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Gaudet","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"mia-m-gaudet","to_ping":"","pinged":"","post_modified":"2018-12-03 22:36:05","post_modified_gmt":"2018-12-03 21:36:05","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/mia-m-gaudet\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":31480,"post_author":"0","post_date":"2018-12-03 23:45:41","post_date_gmt":"2018-12-03 22:45:41","post_content":"","post_title":"Stephanie M Engel","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"stephanie-m-engel","to_ping":"","pinged":"","post_modified":"2018-12-03 23:45:41","post_modified_gmt":"2018-12-03 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02:49:39","post_content":"","post_title":"Terry","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"terry","to_ping":"","pinged":"","post_modified":"2018-12-04 03:49:39","post_modified_gmt":"2018-12-04 02:49:39","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/terry\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":33368,"post_author":"0","post_date":"2018-12-04 00:12:06","post_date_gmt":"2018-12-03 23:12:06","post_content":"","post_title":"Alfred I Neugut","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"alfred-i-neugut","to_ping":"","pinged":"","post_modified":"2018-12-04 00:12:06","post_modified_gmt":"2018-12-03 23:12:06","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/alfred-i-neugut\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":26774,"post_author":"0","post_date":"2018-12-03 22:43:47","post_date_gmt":"2018-12-03 21:43:47","post_content":"","post_title":"Jia Shen","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"jia-shen","to_ping":"","pinged":"","post_modified":"2018-12-03 22:43:47","post_modified_gmt":"2018-12-03 21:43:47","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/jia-shen\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":49510,"post_author":"0","post_date":"2018-12-04 04:58:07","post_date_gmt":"2018-12-04 03:58:07","post_content":"","post_title":"Sagiv","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"sagiv","to_ping":"","pinged":"","post_modified":"2018-12-04 04:58:07","post_modified_gmt":"2018-12-04 03:58:07","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/sagiv\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"}],"sources":[{"ID":21778,"post_author":"0","post_date":"2018-12-03 20:54:22","post_date_gmt":"2018-12-03 19:54:22","post_content":"","post_title":"CARCINOGENESIS","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"carcinogenesis","to_ping":"","pinged":"","post_modified":"2018-12-03 20:54:22","post_modified_gmt":"2018-12-03 19:54:22","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/source\/carcinogenesis\/","menu_order":0,"post_type":"source","post_mime_type":"","comment_count":"0","filter":"raw"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.6 (Yoast SEO v23.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Mgmt genotype modulates the associations between cigarette smoking, dietary antioxidants and breast cancer risk. - Aprifel<\/title>\n<meta name=\"description\" content=\"Mgmt genotype modulates the associations between cigarette smoking, dietary antioxidants and breast cancer risk. - Aprifel\" \/>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mgmt genotype modulates the associations between cigarette smoking, dietary antioxidants and breast cancer risk.\" 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