Journal of Capital Medical University ›› 2005, Vol. 26 ›› Issue (1): 51-54.

Previous Articles     Next Articles

17β-estradiol and Phytoestrogen α-zearalanolon Uterus Enlarging in Ovariectomized Rats

Wang Wen, Yang Hui, Wang Hongxia, Zhang Like   

  1. Department of Pathophysiology, Capital University of Medical Sciences
  • Received:2004-06-11 Revised:1900-01-01 Online:2005-02-24 Published:2005-02-24

Abstract:

The aim of this study was to investigate and compare the effects of 17β-estrad iol and phytoestrogen α-zearalanol(ZAL) on uterus enlarging in ovariectomized(OVX) rats. OVX rats were injected intramuscularly with 17β-estradiol or ZAL (1 mg/kg) for five weeks. The concentrations of plasma estradiol were measured by radioimmunoassay. Separate the uterus from rats and calculate the ratio of ut eri weight(g)/body weight(kg) then make pathology slice of uterus tissue. It was found that plasma estradiol levels of OVX+17β-estradiol rats were signifi cantly higher than th at of OVX rats, while estradiol levels of OVX+ZAL were significantly lower than that of OVX+17β-estradiol rats. ZAL had slighter effect on uterus enlarging in ovariectomized rats compared with 17β-estradiol. These results suggest that Z AL has less stimulation on uterus than 17β-estradiol, which maybe work as one of selectively estrogen receptor modulator(SERM).

Key words: phytoestrogen, &alpha, -zearalanol, 17&beta, -estradiol, variectomized rats, uterus

CLC Number: