نتایج جستجو برای: ovarian steroid production
تعداد نتایج: 723700 فیلتر نتایج به سال:
AIMS To determine mechanisms regulating the production of connective tissue growth factor (CCN2; CTGF) and transforming growth factor beta1 (TGF-beta1) in the mouse uterus. METHODS In situ hybridisation and immunohistochemistry were used to localise CCN2 (CTGF) and TGF-beta1 in uteri from sexually mature female mice that had either been (1) mated with sterile males to induce pseudopregnancy o...
Epidemiological studies have implicated androgens in the etiology/progression of epithelial ovarian cancer. Because normal and malignant ovarian epithelial cells are growth inhibited by transforming growth factor (TGF) beta, we tested the ability of 5alpha-dihydrotestosterone (DHT) to modulate this response and the expression of TGF-beta receptor types I and II. Cells derived from the ovarian s...
Epidemiological studies have implicated androgens in the etiology/ progression of epithelial ovarian cancer. Because normal and malignant ovarian epithelial cells are growth inhibited by transforming growth factor (TGF) , we tested the ability of 5 -dihydrotestosterone (DHT) to modulate this response and the expression of TGFreceptor types I and II. Cells derived from the ovarian surface epithe...
INTRODUCTION Although many studies have examined the influence of reproductive factors on ovarian cancer risk, few have investigated their effect on ovarian cancer survival. We examined the prognostic influence of reproductive factors on survival after ovarian cancer diagnosis. METHODS We conducted a longitudinal analysis of 410 women, ages 20 to 54 years, who participated in the 1980 to 1982...
Introduction In the swine farms, the reproductive disorders composed of repeat breeding, vaginal discharge, anestrus, not getting pregnant and abortion are the main problem resulting in culling lots of gilts (1). It is known that reproductive function of gilts is complicated to clinically explore under field surroundings, thus the reproductive organs from the slaughterhouses are the possible so...
Ovarian cycle synchrony was assessed in spontaneously cycling female golden lion tamarins by monitoring longitudinal (16 mo) urinary steroid metabolite (estrone conjugates; pregnanediol-3 alpha-glucuronide, PdG) excretion in four pairs (n = 8) of females isolated from males. The overall mean ovarian cycle duration was 18.5 +/- 0.3 days (n = 136 cycles; mean range, 15.7-21.0 days), and there was...
BACKGROUND Premature ovarian failure (POF) is a common condition; its incidence is estimated to be as great as 1 in 100 by the age of 40 years. Physiologic replacement of ovarian steroid hormones seems rational until the age of normal menopause. Temporary return of ovarian function and pregnancy may occur rarely in women with POF. We report a case of POF who conceived during hormone replacement...
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