How Arrestins and GRKs Regulate the Function of Long Chain Fatty Acid Receptors.

How Arrestins and GRKs Regulate the Function of Long Chain Fatty Acid Receptors.
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DOI:
10.3390/ijms232012237
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发表时间:
2022-10-13
影响因子:
5.6
通讯作者:
--
中科院分区:
生物学2区
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--
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FFA1和FFA4是由长链脂肪酸激活的两个G蛋白偶联受体,在调节体内许多生物学功能中起着至关重要的作用。因此,这些脂肪酸受体受到了相当大的关注,因为它们有可能成为治疗2型糖尿病的靶点。然而,经典的G蛋白介导的信号转导与激动剂诱导的磷酸化以及与β-arrestins的相互作用的作用的相对贡献还没有完全确定。最近,一些报道强调了β-arrestins和GRKs与FFA1和FFA4的不同功能相互作用和调节的能力,这表明在研究FFA1和FFA4在正常生理和不同疾病环境中的作用时,考虑这些相互作用确实很重要。在这里,我们讨论了目前已知的,并表明了充分了解β-arrestins和GRKs如何调节长链脂肪酸受体功能的重要性。
FFA1 and FFA4, two G protein-coupled receptors that are activated by long chain fatty acids, play crucial roles in mediating many biological functions in the body. As a result, these fatty acid receptors have gained considerable attention due to their potential to be targeted for the treatment of type-2 diabetes. However, the relative contribution of canonical G protein-mediated signalling versus the effects of agonist-induced phosphorylation and interactions with β-arrestins have yet to be fully defined. Recently, several reports have highlighted the ability of β-arrestins and GRKs to interact with and modulate different functions of both FFA1 and FFA4, suggesting that it is indeed important to consider these interactions when studying the roles of FFA1 and FFA4 in both normal physiology and in different disease settings. Here, we discuss what is currently known and show the importance of understanding fully how β-arrestins and GRKs regulate the function of long chain fatty acid receptors.
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