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Fat and fiber intakes in relation to serum estrogen concentration in premenopausal Japanese women.

Abstract

It has been implied that fat and fiber intakes influence breast cancer risk. The effects of these dietary factors may be mediated by hormonal changes. We evaluated the relationships between fat or fiber intake and serum concentration of estradiol (E2) or sex hormone-binding globulin in premenopausal women. In 1994 blood samples were collected from each of 50 premenopausal healthy Japanese women on Days 11 and 22 of the menstrual cycle. Nutrient intakes were assessed by food frequency questionnaire in which the subjects were asked about their diets during one year before the study. Each nutrient intake was categorized into tertile after adjustment for total energy. Linear regression models, including age and cycle length as covariates, were utilized to evaluate the association between the nutrient intakes and the hormone concentrations. A statistically significant trend was observed between increasing fat intake and increasing E2 on Day 11 of the cycle (p = 0.05). The positive trend for increasing sex hormone-binding globulin on Day 22 with fat intake was of borderline significance (p = 0.06). There was a statistically significant inverse trend for E2 on Day 11 of the cycle with fiber intake (p = 0.05). It was suggested that fat as well as fiber intake should affect the hormone status.

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  • Authors+Show Affiliations

    ,

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

    , ,

    Source

    Nutrition and cancer 27:3 1997 pg 279-83

    MeSH

    Adult
    Aging
    Diet Records
    Dietary Fats
    Dietary Fiber
    Estradiol
    Female
    Humans
    Japan
    Linear Models
    Menstruation
    Premenopause
    Sex Hormone-Binding Globulin
    Surveys and Questionnaires

    Pub Type(s)

    Journal Article
    Research Support, Non-U.S. Gov't

    Language

    eng

    PubMed ID

    9101558

    Citation

    Kaneda, N, et al. "Fat and Fiber Intakes in Relation to Serum Estrogen Concentration in Premenopausal Japanese Women." Nutrition and Cancer, vol. 27, no. 3, 1997, pp. 279-83.
    Kaneda N, Nagata C, Kabuto M, et al. Fat and fiber intakes in relation to serum estrogen concentration in premenopausal Japanese women. Nutr Cancer. 1997;27(3):279-83.
    Kaneda, N., Nagata, C., Kabuto, M., & Shimizu, H. (1997). Fat and fiber intakes in relation to serum estrogen concentration in premenopausal Japanese women. Nutrition and Cancer, 27(3), pp. 279-83.
    Kaneda N, et al. Fat and Fiber Intakes in Relation to Serum Estrogen Concentration in Premenopausal Japanese Women. Nutr Cancer. 1997;27(3):279-83. PubMed PMID: 9101558.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Fat and fiber intakes in relation to serum estrogen concentration in premenopausal Japanese women. AU - Kaneda,N, AU - Nagata,C, AU - Kabuto,M, AU - Shimizu,H, PY - 1997/1/1/pubmed PY - 1997/1/1/medline PY - 1997/1/1/entrez SP - 279 EP - 83 JF - Nutrition and cancer JO - Nutr Cancer VL - 27 IS - 3 N2 - It has been implied that fat and fiber intakes influence breast cancer risk. The effects of these dietary factors may be mediated by hormonal changes. We evaluated the relationships between fat or fiber intake and serum concentration of estradiol (E2) or sex hormone-binding globulin in premenopausal women. In 1994 blood samples were collected from each of 50 premenopausal healthy Japanese women on Days 11 and 22 of the menstrual cycle. Nutrient intakes were assessed by food frequency questionnaire in which the subjects were asked about their diets during one year before the study. Each nutrient intake was categorized into tertile after adjustment for total energy. Linear regression models, including age and cycle length as covariates, were utilized to evaluate the association between the nutrient intakes and the hormone concentrations. A statistically significant trend was observed between increasing fat intake and increasing E2 on Day 11 of the cycle (p = 0.05). The positive trend for increasing sex hormone-binding globulin on Day 22 with fat intake was of borderline significance (p = 0.06). There was a statistically significant inverse trend for E2 on Day 11 of the cycle with fiber intake (p = 0.05). It was suggested that fat as well as fiber intake should affect the hormone status. SN - 0163-5581 UR - https://www.unboundmedicine.com/medline/citation/9101558/Fat_and_fiber_intakes_in_relation_to_serum_estrogen_concentration_in_premenopausal_Japanese_women_ L2 - http://www.tandfonline.com/doi/full/10.1080/01635589709514538 DB - PRIME DP - Unbound Medicine ER -