نتایج جستجو برای: aromatase inhibitor
تعداد نتایج: 214804 فیلتر نتایج به سال:
7or-(4'-Amino)phenylthio-l,4-androstadiene-3,17-dione(7a-APTADD), a potent enzyme-activated irreversible inhibitor, was examined in two different human cell culture lines, MCF-7 human mammary carcinoma cells and JAr choriocarcinoma cells. Both the MCF-7 and JAr cell culture systems exhibit aromatase activity, and 7a-APTADD was evaluated for its aromatase-inhibitory activity, for its ability to ...
PATIENT Female, 56 FINAL DIAGNOSIS: Breast cancer Symptoms: Solid mass in the right breast Medication: Exemestane Clinical Procedure: - Specialty: Oncology. OBJECTIVE Unusual clinical course. BACKGROUND The efficacy of third-generation aromatase inhibitors for hormone receptor-positive postmenopausal metastatic breast cancer is well established. Although several clinical trials have reporte...
Aromatase Inhibition by an Enzyme-activated Irreversible Inhibitor in Human Carcinoma Cell Cultures1
7or-(4'-Amino)phenylthio-l,4-androstadiene-3,17-dione(7a-APTADD), a potent enzyme-activated irreversible inhibitor, was examined in two different human cell culture lines, MCF-7 human mammary carcinoma cells and JAr choriocarcinoma cells. Both the MCF-7 and JAr cell culture systems exhibit aromatase activity, and 7a-APTADD was evaluated for its aromatase-inhibitory activity, for its ability to ...
Clinical experience with using an aromatase inhibitor to suppress estrogen production during puberty for improvement of growth potential in adolescents with short stature is limited. This report documents treatment of such a patient with a combination of growth hormone and letrozole, a third-generation aromatase inhibitor. Our case demonstrates a favorable outcome on a short-term basis.
There is a growing body of evidence that the optimal adjuvant endocrine therapy for hormone-sensitive breast cancer in postmenopausal women should include an aromatase inhibitor. However, further research is required to establish the optimal aromatase inhibitor and whether such a drug should be used as monotherapy or in sequence after 2 to 3 years of tamoxifen.
INTRODUCTION Aromatase inhibitor use for postmenopausal hormone-sensitive breast cancer patients often results in drug-induced osteoarthropathy, while its accurate mechanism has not been clarified. We investigated the implication of female hormones and several cytokines in osteoarthropathy complicated with aromatase inhibitor treatment, and the efficacy of vitamin E on the severity of osteoarth...
Flavonoids and related structures (e.g., flavones, isoflavones, flavanones, catechins) exert various biological effects, including anticarcinogenic, antioxidant and (anti-)estrogenic effects, and modulation of sex hormone homeostasis. A key enzyme in the synthesis of estrogens from androgens is aromatase (cytochrome P450 19; CYP19). We investigated the effects of various natural and synthetic f...
PURPOSE Lung adenocarcinomas among never-smokers are more common in females than in males. This implies that gender-dependent hormones promote smoking unrelated lung adenocarcinoma. We therefore investigated mRNA expression of aromatase, an intrinsic estrogen synthetase, in lung adenocarcinoma and assessed its correlation to clinicopathologic factors, including EGFR mutations and postsurgical p...
PURPOSE Aromatase inhibitors can exert unfavorable effects on lipid profiles; however, previous studies have reported inconsistent results. We describe the association of single-nucleotide polymorphisms (SNP) in candidate genes with lipid profiles in women treated with adjuvant aromatase inhibitors. EXPERIMENTAL DESIGN We conducted a prospective observational study to test the associations be...
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