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A noncanonical enzymatic function of PIWIL4 maintains genomic integrity and leukemic growth in AML

Authors :
Bamezai, Shiva
Pulikkottil, Alex Jose
Yadav, Tribhuwan
Vegi, Naidu M.
Mueller, Julia
Mark, Jasmin
Mandal, Tamoghna
Feder, Kristin
Ihme, Susann
Song, Chenlin
Rosler, Reinhild
Wiese, Sebastian
Hoell, Jessica I.
Kloetgen, Andreas
Karsan, Aly
Kumari, Ankita
Wojenski, Luke
Sinha, Amit U.
Gonzalez-Menendez, Irene
Quintanilla-Martinez, Leticia
Donato, Elisa
Trumpp, Andreas
Kruse, Elisabeth
Hamperl, Stephan
Zou, Lee
Rawat, Vijay P. S.
Buske, Christian
Source :
Blood; July 2023, Vol. 142 Issue: 1 p90-105, 16p
Publication Year :
2023

Abstract

•The RNase H–like superfamily member PIWIL4 is required for leukemic stem cell function but dispensable for human hematopoietic stem cells.•PIWIL4 prevents R-loop accumulation, DNA damage, replication stress, and activation of the ATR pathway in AML cells.

Details

Language :
English
ISSN :
00064971 and 15280020
Volume :
142
Issue :
1
Database :
Supplemental Index
Journal :
Blood
Publication Type :
Periodical
Accession number :
ejs62987481
Full Text :
https://doi.org/10.1182/blood.2022018651