نتایج جستجو برای: local estrogen
تعداد نتایج: 573435 فیلتر نتایج به سال:
The importance of the microenvironment in breast cancer growth and progression is becoming increasingly clear. Adipocytes are abundant in the mammary microenvironment, and recent studies show that adipocytes produce endocrine, inflammatory, and angiogenic factors that have tremendous potential to affect adjacent breast cancer cells. Yet, the extent to which local adipocyte function contributes ...
selective estrogen receptor modulators (serms) such as raloxifene have already shown beneficial effects on negative, positive and general psychopathology symptoms in postmenopausal women with schizophrenia. the purpose of the present investigation was to assess the efficacy of raloxifene as an adjuvant agent in the treatment of men with chronic schizophrenia in an 8-week double-blind and placeb...
Cancer treatment should address female-specific survivorship issues, including the hypoestrogenic- related adverse effects of cancer therapies or of natural menopause in survivors. Systemic and vaginal estrogen are widely used for symptomatic relief of vasomotor symptoms, sexual dysfunction, and lower urinary tract infections in the general population. However, given that some types of cancer a...
Background: In previous studies, the neuroprotective effect of 17&beta-estradiol in diffuse traumatic brain injury has been shown. This study used ICI 182,780, a non-selective estrogen receptor antagonist, to test the hypothesis that the neuroprotective effect of 17&beta-estradiol in traumatic brain injury is mediated by the estrogen receptors. Methods: The ovariectomized rats were divided into...
Elicitation of biological responses by estrogen in target tissues requires the presence of ER as well as receptor-active ligand in the local microenvironment. Though much attention has been devoted to the study of the receptor in estrogen target tissues, the concept is emerging that tissue estrogen sensitivity may also be regulated by ligand availability through metabolic transformation in situ...
Objective: Symptoms, such as vaginal laxity, dryness, dyspareunia, itching, burning, and urine leakage, associated with vulvovaginal atrophy (VVA) hypo-osteogenesis etiology, are frequently seen in postmenopausal females, they diminish quality of life. This study aimed to evaluate the efficacy CO2 laser treatment these cases potential side-effects related this type treatment. Materials Methods:...
Purpose: The aim of our study is the assesment of estrogen receptor a expression in pyramidal neurons in rat CA 1hippocampus that has been ovariectomized. By using the estrogen antagonist, Tamoxifen level of expression of estrogen receptor a in these cells. Materials and Methods: To study the effect of 17- b estradiol and tamoxifen on estrogen receptors a, expression in hippocampus rats of Wist...
امروزه از مهمترین بحث هایی که بخش زیادی از زمان محققین را به خود اختصاص داده است، مباحث مربوط به آب به عنوان حیاتی ترین ماده بقای حیات انسان. تغییر در آب در دسترس می تواند واکنش جدی در پایداری آب زیست محیطی مناطق خشک و نیمه خشک ایجاد کند. لذا یکی از پر کاربردترین مباحث مربوط به هیدرولوژی بررسی هیدروگراف جریان می باشد که امکان مطالعه حجم سیلاب و میزان ذخیره حوزه پس از قطع بارندگی و نیز سهم آب زی...
Background: Malignant melanoma is the most aggressive form of skin cancer. In contrast to other tumors, the role of estrogen in the initiation and progression of melanoma remains unclear. The aim of this study was to evaluate estrogen receptor beta protein expression in human melanoma tissues and in the benign melanocytic lesions. Method: Twenty-one patients, 11 with cutaneous melanoma and 10 w...
The present study aimed to determine estrogen feedback action sites to mediate prepubertal restraint of gonadotropin-releasing hormone (GnRH)/luteinizing hormone (LH) release in female rats. Wistar-Imamichi strain rats were ovariectomized (OVX) and received a local estradiol-17β (estradiol) or cholesterol microimplant in several brain areas, such as the medial preoptic area (mPOA), paraventricu...
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