Oxymetholone
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Oxymetholone is an anabolic steroid used for the treatment of types of anemia, such as acquired aplastic anemia, congenital aplastic anemia, myelofibrosis, and the hypoplastic anemias.
Oxymetholone is an anabolic steroid used for the treatment of types of anemia, such as acquired aplastic anemia, congenital aplastic anemia, myelofibrosis, and the hypoplastic anemias.
Oxymethalone is a 17 alpha-alkylated anabolic-androgenic steroid and a synthetic derivative of testosterone, whose anabolic effects are used to treat muscle wasting in HIV patients. The effects of testosterone in humans and other vertebrates occur by way of two main mechanisms: by activation of the androgen receptor (directly or as DHT), and by conversion to estradiol and activation of certain estrogen receptors. Free testosterone (T) is transported into the cytoplasm of target tissue cells, where it can bind to the androgen receptor, or can be reduced to 5α-dihydrotestosterone (DHT) by the cytoplasmic enzyme 5α-reductase. DHT binds to the same androgen receptor even more strongly than T, so that its androgenic potency is about 2.5 times that of T. The T-receptor or DHT-receptor complex undergoes a structural change that allows it to move into the cell nucleus and bind directly to specific nucleotide sequences of the chromosomal DNA. The areas of binding are called hormone response elements (HREs), and influence transcriptional activity of certain genes, producing the androgen effects.
用于慢性消耗性疾病、年老体弱、重病及术后体弱消瘦、小儿发育不全、骨质疏松症、再生障碍性贫血、白细胞减少症。高脂血症等。
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