{"id":46260,"date":"2007-02-01T00:00:00","date_gmt":"2018-12-04T02:54:20","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/watercress-supplementation-in-diet-reduces-lymphocyte-dna\/"},"modified":"2018-12-04T03:54:20","modified_gmt":"2018-12-04T02:54:20","slug":"watercress-supplementation-in-diet-reduces-lymphocyte-dna","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/watercress-supplementation-in-diet-reduces-lymphocyte-dna\/","title":{"rendered":"watercress supplementation in diet reduces lymphocyte dna damage and alters blood antioxidant status in healthy adults"},"content":{"rendered":"<p>Abstract: Background: Cruciferous vegetable (CV) consumption is associated with a reduced risk of several cancers in epidemiologic studies.<br \/>\nObjective: The aim of this study was to determine the effects of watercress (a CV) supplementation on biomarkers related to cancer risk in healthy adults.<\/p>\n<p>Design: A single-blind, randomized, crossover study was conducted in 30 men and 30 women (30 smokers and 30 nonsmokers) with a mean age of 33 y (range: 19-55 y). The subjects were fed 85 g raw watercress daily for 8 wk in addition to their habitual diet. The effect of supplementation was measured on a range of endpoints, including DNA damage in lymphocytes (with the comet assay), activity of detoxifying enzymes (glutathione peroxidase and superoxide dismutase) in erythrocytes, plasma antioxidants (retinol, ascorbic acid, a-tocopherol, lutein, and beta-carotene), plasma total antioxidant status with the use of the ferric reducing ability of plasma assay, and plasma lipid profile.<\/p>\n<p>Results: Watercress supplementation (active compared with control phase) was associated with reductions in basal DNA damage (by 17%; P = 0.03), in basal plus oxidative purine DNA damage (by 23.9%; P = 0.002), and in basal DNA damage in response to ex vivo hydrogen peroxide challenge (by 9.4%; P = 0.07). Beneficial changes seen after watercress intervention were greater and more significant in smokers than in nonsmokers. Plasma lutein and P-carotene increased significantly by 100% and 33% (P &lt; 0.001), respectively, after watercress supplementation.<\/p>\n<p>Conclusion: The results support the theory that consumption of watercress can be linked to a reduced risk of cancer via decreased damage to DNA and possible modulation of antioxidant status by increasing carotenoid concentrations.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-46260","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Addresses: Gill CIR (reprint author), Univ Ulster, No Ireland Ctr Food & Hlth, Ctr Mol Biosci, Cronmore Rd, Coleraine BT52 1SA, Londonderry North Ireland\r\nUniv Ulster, No Ireland Ctr Food & Hlth, Ctr Mol Biosci, Coleraine BT52 1SA, Londonderry North Ireland\r\nInst Food Res, Norwich, Norfolk England\r\n\r\nE-mail Addresses: c.gill@ulster.ac.uk \r\n\r\n\r\nPublisher: AMER SOC CLINICAL NUTRITION, 9650 ROCKVILLE PIKE, SUBSCRIPTIONS, RM L-3300, BETHESDA, MD 20814-3998 USA, http:\/\/www.faseb.org\/ascn \r\nDiscipline: ENDOCRINOLOGY, METABOLISM & NUTRITION\r\nENDOCRINOLOGY, NUTRITION & METABOLISM\r\n\r\nCC Editions\/Collections:  Clinical Medicine (CM); Life Sciences (LS) \r\nIDS Number: 137JZ","annee":"2007","mois":"2","numero":"85:2","page":"504-510","auteurs":[{"ID":46253,"post_author":"0","post_date":"2018-12-04 03:54:16","post_date_gmt":"2018-12-04 02:54:16","post_content":"","post_title":"Chris I R Gill","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"chris-i-r-gill","to_ping":"","pinged":"","post_modified":"2018-12-04 03:54:16","post_modified_gmt":"2018-12-04 02:54:16","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/chris-i-r-gill\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":16606,"post_author":"0","post_date":"2018-12-03 19:41:04","post_date_gmt":"2018-12-03 18:41:04","post_content":"","post_title":"Ian R Rowland","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"ian-r-rowland","to_ping":"","pinged":"","post_modified":"2018-12-03 19:41:04","post_modified_gmt":"2018-12-03 18:41:04","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/ian-r-rowland\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":46254,"post_author":"0","post_date":"2018-12-04 03:54:16","post_date_gmt":"2018-12-04 02:54:16","post_content":"","post_title":"Haldar","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"haldar","to_ping":"","pinged":"","post_modified":"2018-12-04 03:54:16","post_modified_gmt":"2018-12-04 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02:54:18","post_content":"","post_title":"Bennett","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"bennett-2","to_ping":"","pinged":"","post_modified":"2018-12-04 03:54:18","post_modified_gmt":"2018-12-04 02:54:18","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/bennett-2\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":46257,"post_author":"0","post_date":"2018-12-04 03:54:18","post_date_gmt":"2018-12-04 02:54:18","post_content":"","post_title":"Whiteford","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"whiteford","to_ping":"","pinged":"","post_modified":"2018-12-04 03:54:18","post_modified_gmt":"2018-12-04 02:54:18","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/whiteford\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":15860,"post_author":"0","post_date":"2018-12-03 19:31:53","post_date_gmt":"2018-12-03 18:31:53","post_content":"","post_title":"Michelle S Butler","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"michelle-s-butler","to_ping":"","pinged":"","post_modified":"2018-12-03 19:31:53","post_modified_gmt":"2018-12-03 18:31:53","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/michelle-s-butler\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":46258,"post_author":"0","post_date":"2018-12-04 03:54:19","post_date_gmt":"2018-12-04 02:54:19","post_content":"","post_title":"Pearson","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"pearson-4","to_ping":"","pinged":"","post_modified":"2018-12-04 03:54:19","post_modified_gmt":"2018-12-04 02:54:19","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/pearson-4\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":46259,"post_author":"0","post_date":"2018-12-04 03:54:20","post_date_gmt":"2018-12-04 02:54:20","post_content":"","post_title":"Bradbury","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"bradbury","to_ping":"","pinged":"","post_modified":"2018-12-04 03:54:20","post_modified_gmt":"2018-12-04 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