boron and gamma-sitosterol

boron has been researched along with gamma-sitosterol* in 2 studies

Other Studies

2 other study(ies) available for boron and gamma-sitosterol

Article	Year
Effect of dietary intake of phytoestrogens on estrogen receptor status in premenopausal women with breast cancer. Nutrition and cancer, 2005, Volume: 51, Issue:2 Although many dietary studies have focused on breast cancer risk, few have examined dietary influence on tumor characteristics such as estrogen receptor (ER) status. Because phytoestrogens may modulate hormone levels and ER expression, we analyzed ER status and phytoestrogen intake in a case-case study of 124 premenopausal breast cancer patients. We assessed intake with a food-frequency questionnaire and obtained ER status from medical records. Rather than focusing on risk, we evaluated whether low intakes were more strongly associated with ER-negative tumors than with ER-positive disease. In logistic regression adjusting for potential confounders, threefold greater risks of ER-negative tumors relative to ER-positive tumors were associated with low intake of the isoflavones genistein (odds ratio, OR=3.50; 95% confidence interval, CI=1.43-8.58) and daidzein (OR=3.10; 95% CI=1.31-7.30). Low intake of the flavonoid kaempferol (OR=0.36; 95% CI=0.16-0.83), the trace element boron (OR=0.33; 95% CI=0.13-0.83), and the phytosterol beta-sitosterol (OR=0.42; 95% CI=0.18-0.98) were associated with decreased risk of ER-negative tumors relative to ER-positive disease. Other phytoestrogens were not significantly associated with ER status. Thus, in premenopausal patients, some phytoestrogens may affect breast carcinogenesis by influencing ER status. Such findings suggest new directions for mechanistic research on dietary factors in breast carcinogenesis that may have relevance for prevention and clinical treatment. Topics: Adult; Anticarcinogenic Agents; Boron; Breast Neoplasms; Diet; Female; Genistein; Humans; Hypolipidemic Agents; Isoflavones; Kaempferols; Middle Aged; Nutritional Status; Odds Ratio; Phytoestrogens; Premenopause; Receptors, Estrogen; Risk Factors; Sitosterols; Surveys and Questionnaires	2005
[Influence of the blight of Morinda officinalis How on microscopic structure and constituents of the host]. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 1993, Volume: 18, Issue:7 The results showed that microscopic structure in biennial roots, the contents of B and Mn in nutritive organ and beta-sitosterol content in roots, stems of Morinda officinalis were affected markedly. The total sugar content in the roots and aerial stems was decreased by 5.42%-15.29%. Topics: Boron; Carbohydrates; Manganese; Medicine, Chinese Traditional; Plant Diseases; Plants, Medicinal; Sitosterols	1993

Article

Year

Effect of dietary intake of phytoestrogens on estrogen receptor status in premenopausal women with breast cancer.

Nutrition and cancer, 2005, Volume: 51, Issue:2

Although many dietary studies have focused on breast cancer risk, few have examined dietary influence on tumor characteristics such as estrogen receptor (ER) status. Because phytoestrogens may modulate hormone levels and ER expression, we analyzed ER status and phytoestrogen intake in a case-case study of 124 premenopausal breast cancer patients. We assessed intake with a food-frequency questionnaire and obtained ER status from medical records. Rather than focusing on risk, we evaluated whether low intakes were more strongly associated with ER-negative tumors than with ER-positive disease. In logistic regression adjusting for potential confounders, threefold greater risks of ER-negative tumors relative to ER-positive tumors were associated with low intake of the isoflavones genistein (odds ratio, OR=3.50; 95% confidence interval, CI=1.43-8.58) and daidzein (OR=3.10; 95% CI=1.31-7.30). Low intake of the flavonoid kaempferol (OR=0.36; 95% CI=0.16-0.83), the trace element boron (OR=0.33; 95% CI=0.13-0.83), and the phytosterol beta-sitosterol (OR=0.42; 95% CI=0.18-0.98) were associated with decreased risk of ER-negative tumors relative to ER-positive disease. Other phytoestrogens were not significantly associated with ER status. Thus, in premenopausal patients, some phytoestrogens may affect breast carcinogenesis by influencing ER status. Such findings suggest new directions for mechanistic research on dietary factors in breast carcinogenesis that may have relevance for prevention and clinical treatment.

Topics: Adult; Anticarcinogenic Agents; Boron; Breast Neoplasms; Diet; Female; Genistein; Humans; Hypolipidemic Agents; Isoflavones; Kaempferols; Middle Aged; Nutritional Status; Odds Ratio; Phytoestrogens; Premenopause; Receptors, Estrogen; Risk Factors; Sitosterols; Surveys and Questionnaires

2005

[Influence of the blight of Morinda officinalis How on microscopic structure and constituents of the host].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 1993, Volume: 18, Issue:7

The results showed that microscopic structure in biennial roots, the contents of B and Mn in nutritive organ and beta-sitosterol content in roots, stems of Morinda officinalis were affected markedly. The total sugar content in the roots and aerial stems was decreased by 5.42%-15.29%.

Topics: Boron; Carbohydrates; Manganese; Medicine, Chinese Traditional; Plant Diseases; Plants, Medicinal; Sitosterols

1993