The establishment of methods for free PAR generation and PAR reader detection

Yueshuang Ke, Ke Wang, Hui Xu, Chenxin Wang, Jing Zhang, Xianlu Zeng, Ruoxi Wang, Istvan Boldogh, Xueqing Ba

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Poly (ADP-ribose) polymerase 1 (PARP1) is a DNA damage sensor that catalyzes the poly (ADP-ribose) (PAR) onto a variety of target proteins, such as histones, DSB repair factors and PARP1 itself under consumption of NAD+. Besides, PARP1 can affect a variety of proteins in noncovalent modification manner to carry out specific cellular functions. Here, we established a method to generate non-radiolabeled free PAR by PARG moderately cleaving PAR from autoPARylated PARP1, and utilized dot-blot assay to determine the interaction between free PAR and interested proteins. The methods to generate free PAR and detect the noncovalent interactions between proteins and free PAR are nonradioactive and convenient, which will facilitate the studies to explore the significance of PAR reading in various biological processes.

Original languageEnglish (US)
JournalMolecular and Cellular Probes
DOIs
StateAccepted/In press - Jan 1 2018

Fingerprint

Proteins
Poly Adenosine Diphosphate Ribose
Biological Phenomena
NAD
Histones
DNA Damage
Reading
Poly (ADP-Ribose) Polymerase-1
1,2-di-(4-sulfamidophenyl)-4-butylpyrazolidine-3,5-dione

Keywords

  • Dot-blot assay
  • Free PAR
  • Noncovalent
  • PARG
  • PARP1

ASJC Scopus subject areas

  • Molecular Biology
  • Cell Biology

Cite this

The establishment of methods for free PAR generation and PAR reader detection. / Ke, Yueshuang; Wang, Ke; Xu, Hui; Wang, Chenxin; Zhang, Jing; Zeng, Xianlu; Wang, Ruoxi; Boldogh, Istvan; Ba, Xueqing.

In: Molecular and Cellular Probes, 01.01.2018.

Research output: Contribution to journalArticle

Ke, Yueshuang ; Wang, Ke ; Xu, Hui ; Wang, Chenxin ; Zhang, Jing ; Zeng, Xianlu ; Wang, Ruoxi ; Boldogh, Istvan ; Ba, Xueqing. / The establishment of methods for free PAR generation and PAR reader detection. In: Molecular and Cellular Probes. 2018.
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