Poly(ADP-ribosyl)ation affects stabilization of Che-1 protein in response to DNA damage

Maria Giulia Bacalini, Debora Di Lonardo, Angela Catizone, Fabio Ciccarone, Tiziana Bruno, Michele Zampieri, Tiziana Guastafierro, Roberta Calabrese, Maurizio Fanciulli, Claudio Passananti, Paola Caiafa, Anna Reale

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Poly(ADP-ribose) polymerase 1 (PARP-1) catalyzes a post-translational modification that plays a crucial role in coordinating the signalling cascade in response to stress stimuli. During the DNA damage response, phosphorylation by ataxia telangiectasia mutated (ATM) kinase and checkpoint kinase Chk2 induces the stabilization of Che-1 protein, which is critical for the maintenance of G2/M arrest. In this study we showed that poly(ADP-ribosyl)ation, beyond phosphorylation, is involved in the regulation of Che-1 stabilization following DNA damage. We demonstrated that Che-1 accumulation upon doxorubicin treatment is reduced after the inhibition of PARP activity in HCT116 cells and in PARP-1 knock-out or silenced cells. In accordance, impairment in Che-1 accumulation by PARP inhibition reduced Che-1 occupancy at p21 promoter and affected the expression of the corresponding gene. Epistasis experiments showed that the effect of poly(ADP-ribosyl)ation on Che-1 stabilization is independent from ATM kinase activity. Indeed we demonstrated that Che-1 protein co-immunoprecipitates with ADP-ribose polymers and that PARP-1 directly interacts with Che-1, promoting its modification in vitro and in vivo.

Original languageEnglish
Pages (from-to)380-389
Number of pages10
JournalDNA Repair
Volume10
Issue number4
DOIs
Publication statusPublished - Apr 3 2011

Fingerprint

Poly(ADP-ribose) Polymerases
Adenosine Diphosphate
DNA Damage
Ataxia Telangiectasia
Phosphorylation
Phosphotransferases
Stabilization
DNA
Adenosine Diphosphate Ribose
HCT116 Cells
Proteins
Post Translational Protein Processing
Doxorubicin
Polymers
Genes
Maintenance
Gene Expression
Poly (ADP-Ribose) Polymerase-1
Experiments

Keywords

  • Che-1
  • DNA damage response
  • PARP inhibitor
  • PARP-1
  • Post-translational modification

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Bacalini, M. G., Di Lonardo, D., Catizone, A., Ciccarone, F., Bruno, T., Zampieri, M., ... Reale, A. (2011). Poly(ADP-ribosyl)ation affects stabilization of Che-1 protein in response to DNA damage. DNA Repair, 10(4), 380-389. https://doi.org/10.1016/j.dnarep.2011.01.002

Poly(ADP-ribosyl)ation affects stabilization of Che-1 protein in response to DNA damage. / Bacalini, Maria Giulia; Di Lonardo, Debora; Catizone, Angela; Ciccarone, Fabio; Bruno, Tiziana; Zampieri, Michele; Guastafierro, Tiziana; Calabrese, Roberta; Fanciulli, Maurizio; Passananti, Claudio; Caiafa, Paola; Reale, Anna.

In: DNA Repair, Vol. 10, No. 4, 03.04.2011, p. 380-389.

Research output: Contribution to journalArticle

Bacalini, MG, Di Lonardo, D, Catizone, A, Ciccarone, F, Bruno, T, Zampieri, M, Guastafierro, T, Calabrese, R, Fanciulli, M, Passananti, C, Caiafa, P & Reale, A 2011, 'Poly(ADP-ribosyl)ation affects stabilization of Che-1 protein in response to DNA damage', DNA Repair, vol. 10, no. 4, pp. 380-389. https://doi.org/10.1016/j.dnarep.2011.01.002
Bacalini MG, Di Lonardo D, Catizone A, Ciccarone F, Bruno T, Zampieri M et al. Poly(ADP-ribosyl)ation affects stabilization of Che-1 protein in response to DNA damage. DNA Repair. 2011 Apr 3;10(4):380-389. https://doi.org/10.1016/j.dnarep.2011.01.002
Bacalini, Maria Giulia ; Di Lonardo, Debora ; Catizone, Angela ; Ciccarone, Fabio ; Bruno, Tiziana ; Zampieri, Michele ; Guastafierro, Tiziana ; Calabrese, Roberta ; Fanciulli, Maurizio ; Passananti, Claudio ; Caiafa, Paola ; Reale, Anna. / Poly(ADP-ribosyl)ation affects stabilization of Che-1 protein in response to DNA damage. In: DNA Repair. 2011 ; Vol. 10, No. 4. pp. 380-389.
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