Evidence map›Paper›PMID 38823186›Full record

ReviewDNA repair2024

The dynamics and regulation of PARP1 and PARP2 in response to DNA damage and during replication.

Hanwen Zhang, Shan Zha

Abstract readReview
In one paragraph

Review in DNA repair, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

20 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

Hanwen ZhangInstitute for Cancer Genetics, Vagelos College for Physicians and Surgeons, Columbia University, New York City, NY 10032, USA.
Shan ZhaInstitute for Cancer Genetics, Vagelos College for Physicians and Surgeons, Columbia University, New York City, NY 10032, USA; Department of Pathology and Cell Biology, Herbert Irvine Comprehensive Cancer Center, Vagelos College for Physicians and Surgeons, Columbia University, New York City, NY 10032, USA; Division of Hematology, Oncology and Stem Cell Transplantation, Department of Pediatrics, Vagelos College for Physicians and Surgeons, Columbia University, New York City, NY 10032, USA; Department of Immunology and Microbiology, Vagelos College for Physicians and Surgeons, Columbia University, New York City, NY 10032, USA. Electronic address: sz2296@cumc.columbia.edu.

Funding

The role of HPF1 in radiation and genotoxic cancer therapyR01CA293675 · NCI · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI Shan Zha · 2024 to 2026
$3.0M
The non-catalytic function of PARP2 in DNA repair and cancer therapyR01CA271595 · NCI · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI Shan Zha · 2022 to 2026
$2.9M
The catalytic and non-catalytic functions of PARP1 in cancer biologyR01CA226852 · NCI · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI ZHA, SHAN · 2018 to 2022
$1.8M
NCI NIH HHS R01 CA226852NCI NIH HHS R01 CA271595NCI NIH HHS R01 CA293675
6 · The paper itself

Abstract

DNA strand breaks activate Poly(ADP-ribose) polymerase (PARP) 1 and 2, which use NAD+ as the substrate to covalently conjugate ADP-ribose on themselves and other proteins (e.g., Histone) to promote chromatin relaxation and recruit additional DNA repair factors. Enzymatic inhibitors of PARP1 and PARP2 (PARPi) are promising cancer therapy agents that selectively target BRCA1- or BRCA2- deficient cancers. As immediate early responders to DNA strand breaks with robust activities, PARP1 and PARP2 normally form transient foci (<10 minutes) at the micro-irradiation-induced DNA lesions. In addition to enzymatic inhibition, PARPi also extend the presence of PARP1 and PARP2 at DNA lesions, including at replication forks, where they may post a physical block for subsequent repair and DNA replication. The dynamic nature of PARP1 and PARP2 foci made live cell imaging a unique platform to detect subtle changes and the functional interaction among PARP1, PARP2, and their regulators. Recent imaging studies have provided new understandings of the biological consequence of PARP inhibition and uncovered functional interactions between PARP1 and PARP2 and new regulators (e.g., histone poly(ADP-ribosylation) factor). Here, we review recent advances in dissecting the temporal and spatial Regulation of PARP1 and PARP2 at DNA lesions and discuss their physiological implications on both cancer and normal cells.

Indexed as

DNA DamageDNA RepairDNA ReplicationPoly (ADP-Ribose) Polymerase-1Poly(ADP-ribose) PolymerasesAnimalsHumansPoly(ADP-ribose) Polymerase InhibitorsPARP1 protein, humanPARP2 protein, humanPoly (ADP-Ribose) Polymerase-1Poly(ADP-ribose) Polymerase InhibitorsPoly(ADP-ribose) PolymerasesLive cell quantitative imagingPAPR1PARP2PARylationReplication

Identifiers

PMID38823186
PMCPMC12217778

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.