Drugging aquaporins.

Drugging aquaporins.
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水通道蛋白药物。

DOI:
10.1016/j.bbamem.2023.184164
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发表时间:
2024
期刊:
Biochimica et biophysica acta. Biomembranes
影响因子:
--
通讯作者:
Bill RM
Bill RM
中科院分区:
--
文献类型:
--
作者:
Bill RM

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水对所有生命都是必不可少的,因为它是所有生物体的细胞和组织正常运作所必需的。它通过水通道蛋白膜通道的孔隙以每秒高达30亿个分子的速率沿渗透梯度穿过生物膜。自Peter Agre因发现水通道蛋白家族而获得2003年诺贝尔化学奖以来的二十年中,水通道蛋白的结构和功能已在文献中确立。因此,我们非常详细地了解了水通道蛋白在排除质子的同时促进膜水流动的机制。我们还知道,一些水通道蛋白促进其他小的中性溶质,离子,甚至是意想不到的底物穿过生物膜的渗透。人体中的十三种水通道蛋白与包括水肿、癫痫、癌细胞迁移、肿瘤血管生成、代谢紊乱和炎症的病理学有关。然而,令人惊讶的是,临床上没有水通道蛋白靶向药物。因此,一些科学家得出结论,水通道蛋白本质上是不可药物化的靶点。因此,发现治疗水稳态失调的药物是水通道蛋白领域的一个持久挑战。这一努力的成功将满足数百万患有一系列危及生命的疾病、目前尚无药物干预的病人的迫切临床需要。
Water is essential for all life because it is required for the proper functioning of the cells and tissues of all organisms. It crosses biological membranes down osmotic gradients through the pores of aquaporin membrane channels at rates of up to 3 billion molecules per second. In the twenty years since Peter Agre was awarded the 2003 Nobel Prize in Chemistry for the discovery of the aquaporin family, aquaporin structure and function have become established in the literature. As a consequence, we understand in fine detail the mechanism by which aquaporins facilitate membrane water flow while excluding protons. We also know that some aquaporins facilitate the permeation of other small neutral solutes, ions or even unexpected substrates across biological membranes. The thirteen aquaporins in the human body have been implicated in pathologies including oedema, epilepsy, cancer cell migration, tumour angiogenesis, metabolic disorders and inflammation. Surprisingly, however, there is no aquaporin-targeted drug in the clinic. Some scientists have therefore concluded that aquaporins are intrinsically non-druggable targets. Discovering medicines to treat disorders of water homeostasis is thus an enduring challenge for the aquaporin field. Success in this endeavour will meet the urgent clinical need of millions of patients suffering from a range of life-threatening conditions and for whom no pharmacological interventions are currently available.
真核水通道蛋白的调控
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DOI: --
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