Cited by 23DNA Repair MechanismsProtein Kinase Regulation and GTPase SignalingNuclear Structure and Function

Retracted: AKAP12 mediates PKA-induced phosphorylation of ATR to enhance nucleotide excision repair

Open access
Jarrett, Stuart G., Wolf Horrell, Erin M., D'Orazio, John A.·2016·Nucleic Acids Research

Abstract

Loss-of-function in melanocortin 1 receptor (MC1R), a GS protein-coupled receptor that regulates signal transduction through cAMP and protein kinase A (PKA) in melanocytes, is a major inherited melanoma risk factor. Herein, we report a novel cAMP-mediated response for sensing and responding to UV-induced DNA damage regulated by A-kinase-anchoring protein 12 (AKAP12). AKAP12 is identified as a necessary participant in PKA-mediated phosphorylation of ataxia telangiectasia mutated and Rad3-related (ATR) at S435, a post-translational event required for cAMP-enhanced nucleotide excision repair (NER). Moreover, UV exposure promotes ATR-directed phosphorylation of AKAP12 at S732, which promotes nuclear translocation of AKAP12–ATR-pS435. This complex subsequently recruits XPA to UV DNA damage and enhances 5΄ strand incision. Preventing AKAP12's interaction with PKA or with ATR abrogates ATR-pS435 accumulation, delays recruitment of XPA to UV-damaged DNA, impairs NER and increases UV-induced mutagenesis. Our results define a critical role for AKAP12 as an UV-inducible scaffold for PKA-mediated ATR phosphorylation, and identify a repair complex consisting of AKAP12–ATR-pS435-XPA at photodamage, which is essential for cAMP-enhanced NER.

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Crossref · 10.1093/nar/gkw871This paper is marked retracted.

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  1. [53]Jarrett S.G. Wolf Horrell E.M. Boulanger M.C. D'Orazio J.A. Defining the contribution of MC1R physiological ligands to ATR phosphorylation at Ser435, a predictor of DNA repair in melanocytes J. Invest. Dermatol. 2015 135 3086 3095 26168232 PMC4648643

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Authors
Jarrett, S. G., Wolf Horrell, E. M., & D'Orazio, J. A.
Affiliations
  • University of Kentucky (US)
  • Markey Cancer Center, University of Kentucky College of Medicine, Lexington, KY 40536, USA
Corresponding author
D'Orazio, John A.
Venue
Nucleic Acids Research
Published
2016-09-28
Volume
44
Issue
22
Pages
10711-10726
ISSN
  • 0305-1048 (ISSN-L)
  • 1362-4962
OpenAlex
W2525360026
Cited by
23
References
63
Citations by year
2024: 1 · 2022: 1 · 2021: 1 · 2020: 4 · 2019: 1 · 2018: 7 · 2017: 8
FWCI
2.77
Type
journal article
Language
en
Status
Retracted
Open access
Locations
  • Nucleic Acids Research (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • UKnowledge (University of Kentucky) (submittedVersion)
  • HighWire Press Open Archive (submittedVersion)
Funders
  • Melanoma Research Alliance
  • National Cancer Institute (R01CA131075, P30CA177558, T32CA165990)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nuclear Structure and Function
Keywords
AKAP12, protein kinase A, ATR phosphorylation, nucleotide excision repair, UV-induced DNA damage, cAMP signaling, XPA, melanoma, UV mutagenesis, DNA repair complexes, nuclear translocation
MeSH terms
DNA Damage, DNA Repair, Humans, Kinetics, Phosphorylation, Protein Processing, Post-Translational, Mutagenesis, Cyclic AMP-Dependent Protein Kinases, Cell Cycle Proteins, Protein Transport, Xeroderma Pigmentosum Group A Protein, A Kinase Anchor Proteins, HEK293 Cells, Ataxia Telangiectasia Mutated Proteins

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