CAS: 618903-56-3; Tetrahydrogestrinone

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孕三烯酮 Gestrinone 16320-04-0

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    📜孕三烯酮置于pd-Baso4 氢气体系中,用 1,4-二氧六环 作为反应溶剂,化学反应生成 (8S,13S,14S,17S)-13,17-二乙基-17-羟基-1,2,6,7,8,13,14,15,16,17-十氢-3H-环戊二烯并[a]菲-3-酮
    参考文献:Preparation Of Antibodies For The Designer Steroid Tetrahydrogestrinone And Development Of An Enzyme-Linked Immunosorbent Assay For Human Urine Analysis
    标题:Preparation Of Antibodies For The Designer Steroid Tetrahydrogestrinone And Development Of An Enzyme-Linked Immunosorbent Assay For Human Urine Analysis
    摘要:针对四氢孕三烯酮(thg)这种新型类固醇兴奋剂,开发了一种高灵敏度的酶联免疫吸附测定法(elisa).thg因2003年公布的著名的巴尔科实验室丑闻而广为人知.通过将18A-同型-孕-4,9,11-三烯-17β-醇-3-羧甲基肟与鲎血蓝蛋白结合,制备了相应的抗体.该半抗原是通过对孕三烯酮的c-17位炔基团的三键进行可控还原,随后c-3位酮基与羧甲氧基胺半盐酸盐反应形成肟键而合成的.获得的抗血清与孕三烯酮的半抗原衍生物18A-同型-孕-4,9,11-三烯-17β-醇-20-炔-3-羧甲基肟结合牛血清白蛋白一起,建立了一种竞争性elisa方法.在所使用的条件下,Thg在缓冲液中的检测限(lod)为0.045 +/-0.015 μg L-1(n = 9).由于其他评估的类固醇不被识别,该检测方法具有很高的选择性.通过对人体尿液样本的初步实验表明,在经过简单的样本处理后,该检测方法能够应用于这些样本的分析,达到0.25 +/-0.14 μg L-1的检测限.准确性非常好,通过对盲样尿液样本的分析,得到的极佳相关性证明了这一点(斜率0.93,R² = 0.992).
    DOI:10.1021/ac061757X

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    专利信息


    专利号:US-2025281509-A1
    优先权日:2021-04-26
    标 题 :Sequential hormone therapy to improve survival and enhance response to immune therapy in men with prostate cancer
    发明人:DENMEADE SAMUEL R; ISAACS JOHN T; ANTONARAKIS EMMANUEL S; KACHHAP SUSHANT; MARKOWSKI MARK CHRISTOPHER
    权利人:UNIV JOHNS HOPKINS
    摘要:Disclosed are methods for treating men with castrate resistant prostate cancer with a sufficient dose of testosterone to achieve supraphysiologic serum levels of testosterone in sequence with androgen ablative treatment or androgen synthesis inhibitors for one or more cycles until evidence of radiographic progression, at which point the subject will receive immune checkpoint blockade therapy.

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    摘要:S109 | PARCEDC | List of 7074 potential endocrine disrupting compounds (EDCs) by PARC T4.2 | DOI:10.5281/zenodo.10944198
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