Results 41 to 50 of about 106,568 (297)

Update on Poly-ADP-ribose polymerase inhibition for ovarian cancer treatment [PDF]

open access: yes, 2016
Background: Despite standard treatment for epithelial ovarian cancer (EOC), that involves cytoreductive surgery followed by platinum-based chemotherapy, and initial high response rates to these, up to 80 % of patients experience relapses with a median ...
Caruso, Davide   +4 more
core   +2 more sources

Poly(ADP) ribose polymerase promotes DNA polymerase theta-mediated end joining by activation of end resection

open access: yesNature Communications, 2022
Poly(ADP) ribose polymerase (PARP) activity promotes, but is not required for, chromosome break repair by polymerase theta-mediated end joining (TMEJ). PARP activity promotes TMEJ by stimulating resection, a process that controls pathway choice.
Megan E. Luedeman   +5 more
doaj   +1 more source

PARP-1 regulates DNA repair factor availability. [PDF]

open access: yes, 2018
PARP-1 holds major functions on chromatin, DNA damage repair and transcriptional regulation, both of which are relevant in the context of cancer. Here, unbiased transcriptional profiling revealed the downstream transcriptional profile of PARP-1 enzymatic
Birbe, Ruth   +31 more
core   +2 more sources

Mechanisms of PARP inhibitor resistance in cancer and insights into the DNA damage response

open access: yesGenome Medicine, 2018
Editorial summary Inhibitors of poly(ADP-ribose) polymerase (PARPi) have entered the clinic for the treatment of patients with cancers that lack homology-directed DNA repair, but drug resistance remains a clinical hurdle.
Paola Francica, Sven Rottenberg
doaj   +1 more source

Poly(ADP-ribosyl)ation of p53 In Vitro and In Vivo Modulates Binding to its DNA Consensus Sequence

open access: yesNeoplasia: An International Journal for Oncology Research, 2001
The tumor-suppresser p53 undergoes extensive poly(ADP-ribosyl)ation early during apoptosis in human osteosarcoma cells, and degradation of poly(ADP-ribose) (PAR) attached to p53 coincides with poly(ADP-ribose)polymerase-1, (PARP-1) cleavage, and ...
Cynthia M. Simbulan-Rosenthal   +7 more
doaj   +1 more source

HPF1 remodels the active site of PARP1 to enable the serine ADP-ribosylation of histones

open access: yesNature Communications, 2021
Once DNA breaks occur, poly(ADP-ribose) polymerase 1 (PARP1) ADP-ribosylates itself and other DNA repair factors to initiate the repair process. Here, the authors resolve the crystal structures of mouse and human HPF1, and human HPF1/PARP1 complex ...
Fa-Hui Sun   +5 more
doaj   +1 more source

Inhibition of Poly(ADP-Ribose) polymerase enhances the toxicity of 131I-Metaiodobenzylguanidine/Topotecan combination therapy to cells and xenografts that express the noradrenaline transporter [PDF]

open access: yes, 2012
Targeted radiotherapy using [131I]meta-iodobenzylguanidine ([131I]MIBG) has produced remissions in some neuroblastoma patients. We previously reported that combining [131I]MIBG with the topoisomerase I (Topo-I) inhibitor topotecan induced long-term DNA ...
Babich, John W   +7 more
core   +1 more source

PARP1 allows proper telomere replication through TRF1 poly (ADP-ribosyl)ation and helicase recruitment

open access: yesCommunications Biology, 2023
The poly (ADP-ribose) polymerase (PARP1) interacts with the telomere factor TRF1 and loss of PARP1 results in telomere fragility and impairment of helicases -TRF1 complex assembly.
C. Maresca   +12 more
doaj   +1 more source

Kynurenine–PARP-1 Link Mediated by MicroRNA 210 May Be Dysregulated in Pulmonary Hypertension

open access: yesAnatolian Journal of Cardiology, 2022
Background: Dysregulation of microRNAs is associated with pulmonary hypertension. The present study aimed to determine the alterations in microRNA and microRNA expressions and their role in signaling pathways and investigate the relationship with serum ...
Alperen Emre Akgun   +4 more
doaj   +1 more source

Bleomycin-induced modulations of PARP 1 activity, NAD+ and PARG content in rat lung nuclei

open access: yesRegulatory Mechanisms in Biosystems
Bleomycin-induced lung pathology in rodents is a well recognized animal model widely used for evaluation of new therapeutic approaches in treatment of lung inflammation and fibrotic diseases.
I. G. Artsruni   +2 more
doaj   +1 more source

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