Results 21 to 30 of about 667,209 (277)

Neurological and histological consequences induced by in vivo cerebral oxidative stress: evidence for beneficial effects of SRT1720, a sirtuin 1 activator, and sirtuin 1-mediated neuroprotective effects of poly(ADP-ribose) polymerase inhibition.

PLoS ONE, 2014
Poly(ADP-ribose)polymerase and sirtuin 1 are both NAD(+)-dependent enzymes. In vitro oxidative stress activates poly(ADP-ribose)polymerase, decreases NAD(+) level, sirtuin 1 activity and finally leads to cell death.
Cindy Gueguen, Bruno Palmier, Michel Plotkine, Catherine Marchand-Leroux, Valérie C Besson   +4 more
doaj   +1 more source

PARG suppresses tumorigenesis and downregulates genes controlling angiogenesis, inflammatory response, and immune cell recruitment

BMC Cancer, 2022
Chemokines are highly expressed in tumor microenvironment and play a critical role in all aspects of tumorigenesis, including the recruitment of tumor-promoting immune cells, activation of cancer-associated fibroblasts, angiogenesis, metastasis, and ...
Sarah Johnson, Yaroslava Karpova, Danping Guo, Atreyi Ghatak, Dmitriy A. Markov, Alexei V. Tulin   +5 more
doaj   +1 more source

A Poly-ADP-Ribose Polymer–GCSF Conjugate

, 2022
Poly-ADP-ribose (PAR) is a naturally occurring form of polymers synthesized through enzymatic reactions catalyzed by poly(ADP-ribose) polymerases (PARPs). It is known for regulating various important cellular signaling pathways and processes.
Lei Zhang (38117), Yong Zhang (5893), Jingwen Chen (489529), Xiao-Nan Zhang (1797094), Qinqin Cheng (5988329), Yiling Wang (620129)   +5 more
core   +1 more source

Poly(ADP-ribose) in the skin and in melanomas.

Histology and histopathology, 2012
Cutaneous melanoma (CM) and uveal melanoma (UM) represent the most aggressive pigment cell tumor types. Our investigation examined the signaling molecule poly(ADP-ribose) (PAR) in CM and UM. We have demonstrated PAR in keratinocytes, sebocytes, hair follicles, endothelial cells and in subcutaneous adipocytes in the normal skin indicating that PAR may ...
Géhl, Zsuzsanna, Bai, Péter, Bodnár, Edina, Emri, Gabriella, Remenyik, Éva, Németh, János, Gergely, Pál, Virág, László, Szabó, Éva   +8 more
openaire   +3 more sources

Poly(ADP-Ribose) Polymerase (PARP) signaling of DNA damage induced by Topoisomerase 1 (TOP1) inhibition in carcinoma cells: chemotherapeutic implications of PARP and TOP1 inhibitors. [PDF]

, 2010
Una nuova strategia molecolare che incrementa l’azione antitumorale degli inibitori della Topoisomerasi 1 (TOP1) si basa sull’utilizzo di inibitori delle poli(ADP-ribosio) polimerasi (PARP).
D'Onofrio, Giovanna
core   +1 more source

Nucleolar-nucleoplasmic shuttling of TARG1 and its control by DNA damage-induced poly-ADP-ribosylation and by nucleolar transcription

Scientific Reports, 2018
Macrodomains are conserved protein folds associated with ADP-ribose binding and turnover. ADP-ribosylation is a posttranslational modification catalyzed primarily by ARTD (aka PARP) enzymes in cells.
Mareike Bütepage, Christian Preisinger, Alexander von Kriegsheim, Anja Scheufen, Eva Lausberg, Jinyu Li, Ferdinand Kappes, Regina Feederle, Sabrina Ernst, Laura Eckei, Sarah Krieg, Gerhard Müller-Newen, Giulia Rossetti, Karla L. H. Feijs, Patricia Verheugd, Bernhard Lüscher   +15 more
doaj   +1 more source

Recruitment of ubiquitin-activating enzyme UBA1 to DNA by poly(ADP-ribose) promotes ATR signalling

Life Science Alliance, 2018
Human but not yeast UBA1 binds poly(ADP-ribose) polymers via a solvent-exposed and positively charged patch. Poly(ADP-ribose) polymerase 1–dependent recruitment of UBA1 to DNA ensures ataxia-telangiectasia and RAD3-related activation.
Ramhari Kumbhar, Sophie Vidal-Eychenié, Dimitrios-Georgios Kontopoulos, Marion Larroque, Christian Larroque, Jihane Basbous, Sofia Kossida, Cyril Ribeyre, Angelos Constantinou   +8 more
doaj   +1 more source

Selective down-regulation of nuclear poly(ADP-ribose) glycohydrolase. [PDF]

PLoS ONE, 2009
The formation of ADP-ribose polymers on target proteins by poly(ADP-ribose) polymerases serves a variety of cell signaling functions. In addition, extensive activation of poly(ADP-ribose) polymerase-1 (PARP-1) is a dominant cause of cell death in ...
David M Burns, Weihai Ying, Tiina M Kauppinen, Keqing Zhu, Raymond A Swanson   +4 more
doaj   +1 more source

ADP-ribose polymer - a novel and general biomarker of human cancers of head & neck, breast, and cervix

Molecular Cancer, 2010
Background Poly-ADP-ribosylation, a reversible post-translational modification of primarily chromosomal proteins, is involved in various cellular and molecular processes including carcinogenesis.
Sharan Rajeshwar N, Kataki Amal C, Lakadong Rennie O   +2 more
doaj   +1 more source

PARP2 Is the Predominant Poly(ADP-Ribose) Polymerase in Arabidopsis DNA Damage and Immune Responses. [PDF]

PLoS Genetics, 2015
Poly (ADP-ribose) polymerases (PARPs) catalyze the transfer of multiple poly(ADP-ribose) units onto target proteins. Poly(ADP-ribosyl)ation plays a crucial role in a variety of cellular processes including, most prominently, auto-activation of PARP at ...
Junqi Song, Brian D Keppler, Robert R Wise, Andrew F Bent   +3 more
doaj   +1 more source