Assessing potency and binding kinetics of soluble adenylyl cyclase (sAC) inhibitors to maximize therapeutic potential.

Assessing potency and binding kinetics of soluble adenylyl cyclase (sAC) inhibitors to maximize therapeutic potential.
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DOI:
10.3389/fphys.2022.1013845
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发表时间:
2022
影响因子:
4
通讯作者:
--
中科院分区:
医学2区
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在哺乳动物细胞中,10种不同的腺苷酸环化酶产生普遍存在的第二信使环磷酸腺苷(cAMP)。在这些产生cAMP的酶中,碳酸氢盐(HCO 3-)调节的可溶性腺苷酸环化酶(sAC; ADCY 10)在精子繁殖中是独特必需的。因此,sAC已被提议作为男性非激素避孕药的潜在治疗靶点。在这里,我们描述了关键的sAC集中在体外试验,以确定和表征sAC抑制剂的治疗用途。抑制剂的亲和力和结合动力学可以极大地影响体内功效,因此,我们开发了用于评估这些功效定义特征的改进的测定法。
In mammalian cells, 10 different adenylyl cyclases produce the ubiquitous second messenger, cyclic adenosine monophosphate (cAMP). Amongst these cAMP-generating enzymes, bicarbonate (HCO3 −)-regulated soluble adenylyl cyclase (sAC; ADCY10) is uniquely essential in sperm for reproduction. For this reason, sAC has been proposed as a potential therapeutic target for non-hormonal contraceptives for men. Here, we describe key sAC-focused in vitro assays to identify and characterize sAC inhibitors for therapeutic use. The affinity and binding kinetics of an inhibitor can greatly influence in vivo efficacy, therefore, we developed improved assays for assessing these efficacy defining features.
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