Evidence map›Paper›PMID 35048968›Full record

ArticleNucleic acids research2022

TRIM21 suppresses CHK1 activation by preferentially targeting CLASPIN for K63-linked ubiquitination.

Xuefei Zhu, Jingwei Xue, Xing Jiang, Yamin Gong, Congwen Gao, Ting Cao, Qian Li, Lulu Bai, Yuwei Li, Gaixia Xu and 2 more

Open access · goldAbstract read
In one paragraph

Article in Nucleic acids research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed
4.4field-weighted citation impact, top 4% of its field
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

40 citing papers in PubMed, 53 citations in OpenAlex.

  1. Article
  2. TRIM21 inhibition alleviates acute kidney injury by promoting INTS3-associated DNA damage repair.Apoptosis : an international journal on programmed cell death · 2026
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  14. Claspin and Cancer: Where Are We Now?International journal of molecular sciences · 2025
    Review
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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

12 authors at 3 institutions in 1 country.

Xuefei ZhuGuangdong Key Laboratory for Genome Stability & Disease Prevention and Carson International Cancer Center and Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060, China.
Jingwei XueGuangdong Key Laboratory for Genome Stability & Disease Prevention and Carson International Cancer Center and Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060, China.
Xing JiangGuangdong Key Laboratory for Genome Stability & Disease Prevention and Carson International Cancer Center and Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060, China.
Yamin GongGuangdong Key Laboratory for Genome Stability & Disease Prevention and Carson International Cancer Center and Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060, China.
Congwen GaoGuangdong Key Laboratory for Genome Stability & Disease Prevention and Carson International Cancer Center and Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060, China.
Ting CaoCapital Normal University College of Life Science, Beijing 100048, China.
Qian LiCapital Normal University College of Life Science, Beijing 100048, China.
Lulu BaiCapital Normal University College of Life Science, Beijing 100048, China.
Yuwei LiGuangdong Key Laboratory for Genome Stability & Disease Prevention and Carson International Cancer Center and Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060, China.
Gaixia XuKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China.
Bin PengGuangdong Key Laboratory for Genome Stability & Disease Prevention and Carson International Cancer Center and Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060, China.
Xingzhi XuGuangdong Key Laboratory for Genome Stability & Disease Prevention and Carson International Cancer Center and Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060, China.ORCID 0000-0002-4459-2082
Shenzhen University Health Science Center · CNShenzhen University · CNCapital Normal University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Expression of the E3 ligase TRIM21 is increased in a broad spectrum of cancers; however, the functionally relevant molecular pathway targeted by TRIM21 overexpression remains largely unknown. Here, we show that TRIM21 directly interacts with and ubiquitinates CLASPIN, a mediator for ATR-dependent CHK1 activation. TRIM21-mediated K63-linked ubiquitination of CLASPIN counteracts the K6-linked ubiquitination of CLASPIN which is essential for its interaction with TIPIN and subsequent chromatin loading. We further show that overexpression of TRIM21, but not a TRIM21 catalytically inactive mutant, compromises CHK1 activation, leading to replication fork instability and tumorigenesis. Our findings demonstrate that TRIM21 suppresses CHK1 activation by preferentially targeting CLASPIN for K63-linked ubiquitination, providing a potential target for cancer therapy.

Indexed as

DNA ReplicationProtein KinasesCell Cycle ProteinsCheckpoint Kinase 1UbiquitinationUbiquitin-Protein LigasesCell Cycle ProteinsCheckpoint Kinase 1Protein KinasesUbiquitin-Protein Ligases

Identifiers

PMID35048968
PMCPMC8860585
OpenAlexW4206825409

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.