Cyclin-Dependent Kinase 5 (CDK5)-Mediated Phosphorylation of Upstream Stimulatory Factor 2 (USF2) Contributes to Carcinogenesis

The transcription factor USF2 is supposed to have an important role in tumor development. However, the regulatory mechanisms contributing to the function of USF2 are largely unknown. Cyclin-dependent kinase 5 (CDK5) seems to be of importance since high levels of CDK5 were found in different cancers...

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Main Authors: Tabughang Franklin Chi, Tina Horbach, Claudia Götz, Thomas Kietzmann, Elitsa Y. Dimova
Format: Article
Language:English
Published: MDPI AG 2019-04-01
Series:Cancers
Subjects:
Online Access:https://www.mdpi.com/2072-6694/11/4/523
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author Tabughang Franklin Chi
Tina Horbach
Claudia Götz
Thomas Kietzmann
Elitsa Y. Dimova
author_facet Tabughang Franklin Chi
Tina Horbach
Claudia Götz
Thomas Kietzmann
Elitsa Y. Dimova
author_sort Tabughang Franklin Chi
collection DOAJ
description The transcription factor USF2 is supposed to have an important role in tumor development. However, the regulatory mechanisms contributing to the function of USF2 are largely unknown. Cyclin-dependent kinase 5 (CDK5) seems to be of importance since high levels of CDK5 were found in different cancers associated with high USF2 expression. Here, we identified USF2 as a phosphorylation target of CDK5. USF2 is phosphorylated by CDK5 at two serine residues, serine 155 and serine 222. Further, phosphorylation of USF2 at these residues was shown to stabilize the protein and to regulate cellular growth and migration. Altogether, these results delineate the importance of the CDK5-USF2 interplay in cancer cells.
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spelling doaj.art-1577b1a5ef524e4aa43a0ab8ff2e84eb2023-09-02T19:01:34ZengMDPI AGCancers2072-66942019-04-0111452310.3390/cancers11040523cancers11040523Cyclin-Dependent Kinase 5 (CDK5)-Mediated Phosphorylation of Upstream Stimulatory Factor 2 (USF2) Contributes to CarcinogenesisTabughang Franklin Chi0Tina Horbach1Claudia Götz2Thomas Kietzmann3Elitsa Y. Dimova4Faculty of Biochemistry and Molecular Medicine, University of Oulu, 90014 Oulu, FinlandFaculty of Biochemistry and Molecular Medicine, University of Oulu, 90014 Oulu, FinlandMedical Biochemistry and Molecular Biology, Saarland University, 66421 Homburg, GermanyFaculty of Biochemistry and Molecular Medicine, University of Oulu, 90014 Oulu, FinlandFaculty of Biochemistry and Molecular Medicine, University of Oulu, 90014 Oulu, FinlandThe transcription factor USF2 is supposed to have an important role in tumor development. However, the regulatory mechanisms contributing to the function of USF2 are largely unknown. Cyclin-dependent kinase 5 (CDK5) seems to be of importance since high levels of CDK5 were found in different cancers associated with high USF2 expression. Here, we identified USF2 as a phosphorylation target of CDK5. USF2 is phosphorylated by CDK5 at two serine residues, serine 155 and serine 222. Further, phosphorylation of USF2 at these residues was shown to stabilize the protein and to regulate cellular growth and migration. Altogether, these results delineate the importance of the CDK5-USF2 interplay in cancer cells.https://www.mdpi.com/2072-6694/11/4/523upstream stimulatory factor 2 (USF2)cyclin-dependent kinase-5 (CDK5)CRISPR-Cas9phosphorylationproliferationmigration
spellingShingle Tabughang Franklin Chi
Tina Horbach
Claudia Götz
Thomas Kietzmann
Elitsa Y. Dimova
Cyclin-Dependent Kinase 5 (CDK5)-Mediated Phosphorylation of Upstream Stimulatory Factor 2 (USF2) Contributes to Carcinogenesis
Cancers
upstream stimulatory factor 2 (USF2)
cyclin-dependent kinase-5 (CDK5)
CRISPR-Cas9
phosphorylation
proliferation
migration
title Cyclin-Dependent Kinase 5 (CDK5)-Mediated Phosphorylation of Upstream Stimulatory Factor 2 (USF2) Contributes to Carcinogenesis
title_full Cyclin-Dependent Kinase 5 (CDK5)-Mediated Phosphorylation of Upstream Stimulatory Factor 2 (USF2) Contributes to Carcinogenesis
title_fullStr Cyclin-Dependent Kinase 5 (CDK5)-Mediated Phosphorylation of Upstream Stimulatory Factor 2 (USF2) Contributes to Carcinogenesis
title_full_unstemmed Cyclin-Dependent Kinase 5 (CDK5)-Mediated Phosphorylation of Upstream Stimulatory Factor 2 (USF2) Contributes to Carcinogenesis
title_short Cyclin-Dependent Kinase 5 (CDK5)-Mediated Phosphorylation of Upstream Stimulatory Factor 2 (USF2) Contributes to Carcinogenesis
title_sort cyclin dependent kinase 5 cdk5 mediated phosphorylation of upstream stimulatory factor 2 usf2 contributes to carcinogenesis
topic upstream stimulatory factor 2 (USF2)
cyclin-dependent kinase-5 (CDK5)
CRISPR-Cas9
phosphorylation
proliferation
migration
url https://www.mdpi.com/2072-6694/11/4/523
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