PKCα and PKCδ: Friends and Rivals.

PKCα and PKCδ: Friends and Rivals.
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DOI:
10.1016/j.jbc.2022.102194
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发表时间:
2022-08
影响因子:
4.8
通讯作者:
Reyland, Mary E.
Reyland, Mary E.
中科院分区:
生物学2区
文献类型:
--
作者:
Black, Jennifer D.;Affandi, Trisiani;Black, Adrian R.;Reyland, Mary E.

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PKC包括丝氨酸/苏氨酸激酶的大家族,其共享通过脂质的变构活化的需要。虽然PKC同工型具有显著的同源性,但亚家族之间以及亚家族内的单个PKC同工型之间的功能分歧是明显的。在这里,我们强调了这些差异,通过比较传统的(PKCα)和新的(PKCδ)亚家族的代表性PKC亚型的调节和功能。我们讨论了PKCα和PKCδ的独特结构特征是如何导致激活差异的,并强调了这些激酶相似、不同甚至相反的生物学功能。我们还考虑了PKCα和PKCδ如何有助于病理生理条件,并讨论了治疗靶向这些激酶的挑战。
PKC comprises a large family of serine/threonine kinases that share a requirement for allosteric activation by lipids. While PKC isoforms have significant homology, functional divergence is evident among subfamilies and between individual PKC isoforms within a subfamily. Here, we highlight these differences by comparing the regulation and function of representative PKC isoforms from the conventional (PKCα) and novel (PKCδ) subfamilies. We discuss how unique structural features of PKCα and PKCδ underlie differences in activation and highlight the similar, divergent, and even opposing biological functions of these kinases. We also consider how PKCα and PKCδ can contribute to pathophysiological conditions and discuss challenges to targeting these kinases therapeutically.
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