NDLI: ZSCAN4 interacts with PARP1 to promote DNA repair in mouse embryonic stem cells

Content Provider	Springer Nature : BioMed Central
Author	Tsai, Li-Kuang Peng, Min Chang, Chia-Chun Wen, Luan Liu, Lin Liang, Xiubin Chen, Y. Eugene Xu, Jie Sung, Li-Ying
Abstract	Background In eukaryotic cells, DNA double strand breaks (DSB) are primarily repaired by canonical non-homologous end joining (c-NHEJ), homologous recombination (HR) and alternative NHEJ (alt-NHEJ). Zinc finger and SCAN domain containing 4 (ZSCAN4), sporadically expressed in 1–5% mouse embryonic stem cells (mESCs), is known to regulate genome stability by promoting HR. Results Here we show that ZSCAN4 promotes DNA repair by acting with Poly (ADP-ribose) polymerase 1 (PARP1), which is a key member of the alt-NHEJ pathway. In the presence of PARP1, ZSCAN4-expressing mESCs are associated with lower extent of endogenous or chemical induced DSB comparing to ZSCAN4-negative ones. Reduced DSBs associated with ZSCAN4 are abolished by PARP1 inhibition, achieved either through small molecule inhibitor or gene knockout in mESCs. Furthermore, PARP1 binds directly to ZSCAN4, and the second ⍺-helix and the fourth zinc finger motif of ZSCAN4 are critical for this binding. Conclusions These data reveal that PARP1 and ZSCAN4 have a protein–protein interaction, and shed light on the molecular mechanisms by which ZSCAN4 reduces DSB in mESCs.
Related Links	https://cellandbioscience.biomedcentral.com/counter/pdf/10.1186/s13578-023-01140-1.pdf
Ending Page	11
Page Count	11
Starting Page	1
File Format	HTM / HTML
ISSN	20453701
DOI	10.1186/s13578-023-01140-1
Journal	Cell & Bioscience
Issue Number	1
Volume Number	13
Language	English
Publisher	BioMed Central
Publisher Date	2023-10-24
Access Restriction	Open
Subject Keyword	Cell Biology Microbiology Stem Cells Neurobiology Proteomics ZSCAN4 PARP1 DNA double strand breaks Mouse embryonic stem cells
Content Type	Text
Resource Type	Article
Subject	Biochemistry, Genetics and Molecular Biology
Journal Impact Factor	6.1/2023
5-Year Journal Impact Factor	7/2023

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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