Low serum beta-carotene is associated with the incidence of colorectal adenoma
- Authors
- Kim, Mi Kyung; Choi, Kyu Yong; Lee, Won Chul; Yoon Park, Jung Han; Sung, Mi-Kyung; Kim, Jong-Sang; Park, Yong Gyu; Meng, Kwang-ho; Kim, Jiyoung; Lee-Kim, Yang Cha
- Issue Date
- Mar-2007
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- colorectal adenoma; colorectal cancer; carotenoids; tocopherols; human; vitamins; antioxidants
- Citation
- NUTRITION RESEARCH, v.27, no.3, pp 127 - 132
- Pages
- 6
- Journal Title
- NUTRITION RESEARCH
- Volume
- 27
- Number
- 3
- Start Page
- 127
- End Page
- 132
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/14731
- DOI
- 10.1016/j.nutres.2007.01.006
- ISSN
- 0271-5317
- Abstract
- Antioxidant vitamin status has been associated with colorectal cancer in many but not all epidemiological studies; few studies have examined the association of antioxidant vitamins with colorectal adenoma. The present case-control study was conducted to investigate the association of serum carotenoids and tocopherols with colorectal adenoma and cancer and to further examine whether such associations differ by colon subsites. Subjects were recruited from patients undergoing a colonoscopy up to the ileocecal junction. Serum concentrations of 5 carotenoids and 2 tocopherols were compared among 67 patients with colorectal adenoma, 31 patients with colorectal cancer, and 34 controls. Serum beta-carotene was inversely associated with the risk of colorectal adenoma. Compared with controls, colorectal adenoma cases had significantly lower mean concentration of serum beta-carotene (P = .04). Colorectal adenoma and cancer cases had slightly lower mean concentration of serum lycopene (P = . 10). Serum beta-carotene concentration in patients with proximal colon adenoma was much lower than that of controls (P = .03). Serum lycopene concentration in patient with proximal and distal colorectal adenoma was lower in comparison with that of controls, but they were not significant (P = .06). In conclusion, these findings suggest that serum beta-carotene may be inverseley related to the risk of colorectal adenoma; and this association is more pronounced in proximal colon adenomas. (c) 2007 Elsevier Inc. All rights reserved.
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