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J Epidemiol. 2003 Jan;13(1):29-37.

The relationship between smoking habits and serum levels of 8-OHdG, oxidized LDL antibodies, Mn-SOD and carotenoids in rural Japanese residents.

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1
Department of Public Health, Fujita Health University School of Health Sciences, Toyoake, Aichi, Japan.

Abstract

This study investigated the relationship between smoking habits and serum levels of 8-OHdG, oxidized LDL antibodies (oLAB), Mn-SOD, and carotenoids. Subjects were 79 males (mean age +/- standard deviation; 62.1 +/- 10.0 years) and 79 females (60.3 +/- 10.3 y) who attended a health examination screening in the town of Hokkaido, Japan. Serum 8-OHdG, Mn-SOD, and oLAB levels were measured by ELISA and serum carotenoids levels were measured by HPLC. Smoking habits were assessed by public health nurses using a questionnaire. Serum 8-OHdG levels were significantly higher in males than in females. On the other hand, serum levels of beta-carotene, alpha-carotene, beta-cryptoxanthin, and zeaxanthin and lutein were significantly lower in males than in females. Serum beta-carotene, beta-cryptoxanthin, and zeaxanthin and lutein were significantly lower in males who were current smokers, compared to non-smokers. Serum 8-OHdG levels were also significantly higher in current smokers. Furthermore, in males, serum oLAB and beta-carotene levels were significantly and negatively correlated with the number of cigarettes smoked per day. Serum Mn-SOD levels were unrelated to smoking habits in males. In conclusion, this preliminary study suggests that cigarette smoking increases serum 8-OHdG levels and reduces serum levels of oLAB and carotenoids, such as beta-carotene, beta-cryptoxanthin, and zeaxanthin and lutein in healthy male subjects. Serum levels of 8-OHdG, oLAB, and carotenoids may be useful biomarkers of oxidative conditions affected by smoking.

PMID:
12587611
DOI:
10.2188/jea.13.29
[Indexed for MEDLINE]
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