SCOPE Worldwide geographical variation in cancer incidence indicates a correlation between dietary habits and cancer risk. Epidemiological studies have suggested that populations with high isoflavone intake through soy consumption have lower rates of breast, prostate, and colon cancer. Isoflavone genistein in soybean is considered a potent chemopreventive agent against cancer. Although several ...

Genistein derivatives were synthesized from genistein through a facile sonochemical approach in high yields. The bioassay was performed on ovariectomized (OVX) rats in terms of bone mineral density (BMD) and the weight of bone ash (WBA) to lead to the discovery of eight novel genistein-based selective estrogen receptor modulators. Attention to the structure-activity relationship disclosed that ...

The soybean phytoestrogen genistein has a range of estrogenic actions demonstrated in various species; however, only limited research has been done to investigate its effects in swine. The objective of this study was to characterize the effects of a graded dose of genistein on estrogen-sensitive uterine and cervical tissues in ovariectomized gilts. Thirty-four postpubertal gilts were ovariectom...

Abstract Although studies have shown beneficial effects of the phytoestrogen genistein on reducing ovarian cancer risk, little is known at molecular level regarding how inhibits growth, with estrogen receptor beta (ERb), a hormone-regulated transcription factor, receiving bulk attention. When endogenous and exogenous ligands engage ERb, binds to regulatory regions in genome as enhancers, where ...

Genistein is a candidate cancer chemopreventive drug being tested in clinical trials. We have shown that genistein blocks prostate cancer (PCa) cell invasion, that p38 mitogen-activated protein (MAP) kinase regulates activation of matrix metalloproteinase type 2 (MMP-2) and cell invasion, and that genistein prevents transforming growth factor (TGF ) from activating p38 MAP kinase. More recently...

There is increasing evidence in favour of a link between diets high in soyabeans, a rich source of the isoflavones genistein and daidzein, and reduced incidence of colon cancer and hormone-dependent cancers, such as breast and prostate cancer (for review, see Bingham et al. 1998). A number of studies in animal models demonstrate a chemopreventive effect of soyabean and/or genistein. For example...

INTRODUCTION Phytoestrogen genistein may be useful to treat pulmonary arterial hypertension (PAH). However, its mechanism is still not clear. The aim of the present study was to confirm the therapeutic effects of phytoestrogen genistein on PAH in monocrotaline-induced rat model and to explore its mechanism. MATERIALS AND METHODS Sprague-Dawley male rats were randomly divided into 4 groups: co...

Six isoflavonoids having beta-galactosidase inhibiting activity were isolated from the culture filtrate of Streptomyces xanthophaeus. Their structures were determined by spectral analyses to be daidzein, daidzein 7-alpha-L-rhamnoside, daidzein 4',7-di-alpha-L-rhamnoside, genistein, genistein 7-alpha-L-rhamnoside and genistein 4',7-di-alpha-L-rhamnoside.