Functional Versatility of the CDK Inhibitor p57Kip2

The cyclin/CDK inhibitor p57Kip2 belongs to the Cip/Kip family, with p21Cip1 and p27Kip1, and is the least studied member of the family. Unlike the other family members, p57Kip2 has a unique role during embryogenesis and is the only CDK inhibitor required for embryonic development. p57Kip2 is encode...

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Main Authors: Justine Creff, Arnaud Besson
Format: Article
Language:English
Published: Frontiers Media S.A. 2020-10-01
Series:Frontiers in Cell and Developmental Biology
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fcell.2020.584590/full
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author Justine Creff
Arnaud Besson
author_facet Justine Creff
Arnaud Besson
author_sort Justine Creff
collection DOAJ
description The cyclin/CDK inhibitor p57Kip2 belongs to the Cip/Kip family, with p21Cip1 and p27Kip1, and is the least studied member of the family. Unlike the other family members, p57Kip2 has a unique role during embryogenesis and is the only CDK inhibitor required for embryonic development. p57Kip2 is encoded by the imprinted gene CDKN1C, which is the gene most frequently silenced or mutated in the genetic disorder Beckwith–Wiedemann syndrome (BWS), characterized by multiple developmental anomalies. Although initially identified as a cell cycle inhibitor based on its homology to other Cip/Kip family proteins, multiple novel functions have been ascribed to p57Kip2 in recent years that participate in the control of various cellular processes, including apoptosis, migration and transcription. Here, we will review our current knowledge on p57Kip2 structure, regulation, and its diverse functions during development and homeostasis, as well as its potential implication in the development of various pathologies, including cancer.
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spelling doaj.art-338c278154394732a727bda43258be772022-12-22T00:18:04ZengFrontiers Media S.A.Frontiers in Cell and Developmental Biology2296-634X2020-10-01810.3389/fcell.2020.584590584590Functional Versatility of the CDK Inhibitor p57Kip2Justine CreffArnaud BessonThe cyclin/CDK inhibitor p57Kip2 belongs to the Cip/Kip family, with p21Cip1 and p27Kip1, and is the least studied member of the family. Unlike the other family members, p57Kip2 has a unique role during embryogenesis and is the only CDK inhibitor required for embryonic development. p57Kip2 is encoded by the imprinted gene CDKN1C, which is the gene most frequently silenced or mutated in the genetic disorder Beckwith–Wiedemann syndrome (BWS), characterized by multiple developmental anomalies. Although initially identified as a cell cycle inhibitor based on its homology to other Cip/Kip family proteins, multiple novel functions have been ascribed to p57Kip2 in recent years that participate in the control of various cellular processes, including apoptosis, migration and transcription. Here, we will review our current knowledge on p57Kip2 structure, regulation, and its diverse functions during development and homeostasis, as well as its potential implication in the development of various pathologies, including cancer.https://www.frontiersin.org/article/10.3389/fcell.2020.584590/fullp57Kip2CDK inhibitorcell cycledevelopmenttranscriptionstem cells
spellingShingle Justine Creff
Arnaud Besson
Functional Versatility of the CDK Inhibitor p57Kip2
Frontiers in Cell and Developmental Biology
p57Kip2
CDK inhibitor
cell cycle
development
transcription
stem cells
title Functional Versatility of the CDK Inhibitor p57Kip2
title_full Functional Versatility of the CDK Inhibitor p57Kip2
title_fullStr Functional Versatility of the CDK Inhibitor p57Kip2
title_full_unstemmed Functional Versatility of the CDK Inhibitor p57Kip2
title_short Functional Versatility of the CDK Inhibitor p57Kip2
title_sort functional versatility of the cdk inhibitor p57kip2
topic p57Kip2
CDK inhibitor
cell cycle
development
transcription
stem cells
url https://www.frontiersin.org/article/10.3389/fcell.2020.584590/full
work_keys_str_mv AT justinecreff functionalversatilityofthecdkinhibitorp57kip2
AT arnaudbesson functionalversatilityofthecdkinhibitorp57kip2