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Complementary CRISPR genome-wide genetic screens in PARP10-knockout and overexpressing cells identify synthetic interactions for PARP10-mediated cellular survival

PARP10 is a mono-ADP-ribosyltransferase with multiple cellular functions, including proliferation, apoptosis, metabolism and DNA repair. PARP10 is overexpressed in a significant proportion of tumors, particularly breast and ovarian cancers. Identifying genetic susceptibilities based on PARP10 expres...

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Autores principales: Khatib, Jude B., Schleicher, Emily M., Jackson, Lindsey M., Dhoonmoon, Ashna, Moldovan, George-Lucian, Nicolae, Claudia M.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Impact Journals LLC 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9518689/
https://www.ncbi.nlm.nih.gov/pubmed/36187556
http://dx.doi.org/10.18632/oncotarget.28277
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author Khatib, Jude B.
Schleicher, Emily M.
Jackson, Lindsey M.
Dhoonmoon, Ashna
Moldovan, George-Lucian
Nicolae, Claudia M.
author_facet Khatib, Jude B.
Schleicher, Emily M.
Jackson, Lindsey M.
Dhoonmoon, Ashna
Moldovan, George-Lucian
Nicolae, Claudia M.
author_sort Khatib, Jude B.
collection PubMed
description PARP10 is a mono-ADP-ribosyltransferase with multiple cellular functions, including proliferation, apoptosis, metabolism and DNA repair. PARP10 is overexpressed in a significant proportion of tumors, particularly breast and ovarian cancers. Identifying genetic susceptibilities based on PARP10 expression levels is thus potentially relevant for finding new targets for precision oncology. Here, we performed a series of CRISPR genome-wide loss-of-function screens in isogenic control and PARP10-overexpressing or PARP10-knockout cell lines, to identify genetic determinants of PARP10-mediated cellular survival. We found that PARP10-overexpressing cells rely on multiple DNA repair genes for survival, including ATM, the master regulator of the DNA damage checkpoint. Moreover, we show that PARP10 impacts the recruitment of ATM to nascent DNA upon replication stress. Finally, we identify the CDK2-Cyclin E1 complex as essential for proliferation of PARP10-knockout cells. Our work identifies a network of functionally relevant PARP10 synthetic interactions, and reveals a set of factors which can potentially be targeted in personalized cancer therapy.
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spelling pubmed-95186892022-09-30 Complementary CRISPR genome-wide genetic screens in PARP10-knockout and overexpressing cells identify synthetic interactions for PARP10-mediated cellular survival Khatib, Jude B. Schleicher, Emily M. Jackson, Lindsey M. Dhoonmoon, Ashna Moldovan, George-Lucian Nicolae, Claudia M. Oncotarget Research Paper PARP10 is a mono-ADP-ribosyltransferase with multiple cellular functions, including proliferation, apoptosis, metabolism and DNA repair. PARP10 is overexpressed in a significant proportion of tumors, particularly breast and ovarian cancers. Identifying genetic susceptibilities based on PARP10 expression levels is thus potentially relevant for finding new targets for precision oncology. Here, we performed a series of CRISPR genome-wide loss-of-function screens in isogenic control and PARP10-overexpressing or PARP10-knockout cell lines, to identify genetic determinants of PARP10-mediated cellular survival. We found that PARP10-overexpressing cells rely on multiple DNA repair genes for survival, including ATM, the master regulator of the DNA damage checkpoint. Moreover, we show that PARP10 impacts the recruitment of ATM to nascent DNA upon replication stress. Finally, we identify the CDK2-Cyclin E1 complex as essential for proliferation of PARP10-knockout cells. Our work identifies a network of functionally relevant PARP10 synthetic interactions, and reveals a set of factors which can potentially be targeted in personalized cancer therapy. Impact Journals LLC 2022-09-28 /pmc/articles/PMC9518689/ /pubmed/36187556 http://dx.doi.org/10.18632/oncotarget.28277 Text en Copyright: © 2022 Khatib et al. https://creativecommons.org/licenses/by/3.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/3.0/) (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Paper
Khatib, Jude B.
Schleicher, Emily M.
Jackson, Lindsey M.
Dhoonmoon, Ashna
Moldovan, George-Lucian
Nicolae, Claudia M.
Complementary CRISPR genome-wide genetic screens in PARP10-knockout and overexpressing cells identify synthetic interactions for PARP10-mediated cellular survival
title Complementary CRISPR genome-wide genetic screens in PARP10-knockout and overexpressing cells identify synthetic interactions for PARP10-mediated cellular survival
title_full Complementary CRISPR genome-wide genetic screens in PARP10-knockout and overexpressing cells identify synthetic interactions for PARP10-mediated cellular survival
title_fullStr Complementary CRISPR genome-wide genetic screens in PARP10-knockout and overexpressing cells identify synthetic interactions for PARP10-mediated cellular survival
title_full_unstemmed Complementary CRISPR genome-wide genetic screens in PARP10-knockout and overexpressing cells identify synthetic interactions for PARP10-mediated cellular survival
title_short Complementary CRISPR genome-wide genetic screens in PARP10-knockout and overexpressing cells identify synthetic interactions for PARP10-mediated cellular survival
title_sort complementary crispr genome-wide genetic screens in parp10-knockout and overexpressing cells identify synthetic interactions for parp10-mediated cellular survival
topic Research Paper
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9518689/
https://www.ncbi.nlm.nih.gov/pubmed/36187556
http://dx.doi.org/10.18632/oncotarget.28277
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