Abstract Title:

Inverse association of soy product intake with serum androgen and estrogen concentrations in Japanese men.

Abstract Source:

Nutr Cancer. 2000;36(1):14-8. PMID: 10798211

Abstract Author(s):

C Nagata, S Inaba, N Kawakami, T Kakizoe, H Shimizu

Article Affiliation:

Department of Public Health, Gifu University School of Medicine, Japan.

Abstract:

The cross-sectional relationships of soy product intake and serum testosterone, estrone, estradiol, sex hormone-binding globulin, and dihydrotestosterone were examined in 69 Japanese men. Soy product intake was estimated from a semiquantitative food frequency questionnaire. Serum estradiol concentration was significantly inversely correlated with soy product intake (r = -0.32, p = 0.009), and serum estrone concentration was nonsignificantly inversely correlated with soy product intake (r = -0.24, p = 0.05) after controlling for age, body mass index, smoking status, and ethanol intake. Total and free testosterone concentrations were inversely correlated with soy product intake after controlling for the covariates, but these correlations were of border line significance (r = -0.25, p = 0.05 and r = -0.25, p = 0.06, respectively). Similar correlations were observed for these hormones with isoflavone intake from soy products. The data suggest that soy product intake may be associated with the endogenous hormone levels in Japanese men.

Study Type : Human Study

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