Mechanism, cellular functions and cancer roles of polymerase-theta-mediated DNA end joining

DA Ramsden, J Carvajal-Garcia… - Nature reviews Molecular …, 2022 - nature.com
Cellular pathways that repair chromosomal double-strand breaks (DSBs) have pivotal roles
in cell growth, development and cancer. These DSB repair pathways have been the target of …

DNA damage response in cancer therapy and resistance: challenges and opportunities

D Jurkovicova, CM Neophytou, AČ Gašparović… - International Journal of …, 2022 - mdpi.com
Resistance to chemo-and radiotherapy is a common event among cancer patients and a
reason why new cancer therapies and therapeutic strategies need to be in continuous …

RETRACTED ARTICLE: Polymerase θ inhibition activates the cGAS-STING pathway and cooperates with immune checkpoint blockade in models of BRCA-deficient …

J Patterson-Fortin, H Jadhav, C Pantelidou… - Nature …, 2023 - nature.com
Recently developed inhibitors of polymerase theta (POLθ) have demonstrated synthetic
lethality in BRCA-deficient tumor models. To examine the contribution of the immune …

Targeting DNA Repair with Combined Inhibition of NHEJ and MMEJ Induces Synthetic Lethality in TP53-Mutant Cancers

J Patterson-Fortin, A Bose, WC Tsai, C Grochala… - Cancer research, 2022 - AACR
DNA repair pathway inhibitors are a new class of anticancer drugs that are advancing in
clinical trials. Peposertib is an inhibitor of DNA-dependent protein kinase (DNA-PK), which is …

Small molecules targeting DNA polymerase theta (POLθ) as promising synthetic lethal agents for precision cancer therapy

MC Pismataro, A Astolfi, ML Barreca… - Journal of medicinal …, 2023 - ACS Publications
Synthetic lethality (SL) is an innovative strategy in targeted anticancer therapy that exploits
tumor genetic vulnerabilities. This topic has come to the forefront in recent years, as …

TP53 mutations increase radioresistance in rhabdomyosarcoma and Ewing sarcoma

DL Casey, KL Pitter, LH Wexler, EK Slotkin… - British Journal of …, 2021 - nature.com
Background p53 plays a key role in the DNA repair process and response to ionising
radiation. We sought to determine the clinical phenotype of TP53 mutations and p53 …

DNA polymerase θ protects leukemia cells from metabolically induced DNA damage

U Vekariya, M Toma… - Blood, The Journal …, 2023 - ashpublications.org
Leukemia cells accumulate DNA damage, but altered DNA repair mechanisms protect them
from apoptosis. We showed here that formaldehyde generated by serine/1-carbon cycle …

AZD-7648, a DNA-PK Inhibitor, Induces DNA Damage, Apoptosis, and Cell Cycle Arrest in Chronic and Acute Myeloid Leukemia Cells

BS Lapa, MI Costa, D Figueiredo, J Jorge… - International Journal of …, 2023 - mdpi.com
The non-homologous end joining pathway is vital for repairing DNA double-strand breaks
(DSB), with DNA-dependent protein kinase (DNA-PK) playing a critical role. Altered DNA …

Homologous recombination defects and mutations in DNA damage response (DDR) genes besides BRCA1 and BRCA2 as breast cancer biomarkers for PARP …

IA Voutsadakis, A Stravodimou - Anticancer Research, 2023 - ar.iiarjournals.org
Homologous recombination repair (HRR) is the cellular mechanism for error-free repair of
double strand DNA (dsDNA) breaks. Cancer cells with mutations in both alleles of genes …

Marker-free quantification of repair pathway utilization at Cas9-induced double-strand breaks

W Feng, DA Simpson, JE Cho… - Nucleic Acids …, 2021 - academic.oup.com
Genome integrity and genome engineering require efficient repair of DNA double-strand
breaks (DSBs) by non-homologous end joining (NHEJ), homologous recombination (HR), or …