Results 41 to 50 of about 15,767 (251)

The Antiviral Activities of Poly-ADP-Ribose Polymerases

open access: yesViruses, 2021
The poly-adenosine diphosphate (ADP)-ribose polymerases (PARPs) are responsible for ADP-ribosylation, a reversible post-translational modification involved in many cellular processes including DNA damage repair, chromatin remodeling, regulation of ...
Mathilde Malgras   +4 more
doaj   +1 more source

ADP-Ribosylation in Antiviral Innate Immune Response

open access: yesPathogens, 2023
Adenosine diphosphate (ADP)-ribosylation is a reversible post-translational modification catalyzed by ADP-ribosyltransferases (ARTs). ARTs transfer one or more ADP-ribose from nicotinamide adenine dinucleotide (NAD+) to the target substrate and release ...
Qian Du, Ying Miao, Wei He, Hui Zheng
doaj   +1 more source

Poly(adenosine diphosphate ribose) polymerase in Physarum polycephalum [PDF]

open access: yesBiochemical Journal, 1975
1. The isolated nuclei of the slime mould Physarum polycephalum contain an enzyme that will incorporated [adenine-3H] NAD+ into an acid-insoluble product, which is shown to be poly(ADP-ribose). 2. This incorporation has an optimum pH of 8.2 and a temperature optimum below 10degreesC. 3. Optimum stimulation is given by 15 mM-Mg2+. 4.
M D, Brightwell   +4 more
openaire   +2 more sources

Structures of the human poly (ADP-ribose) glycohydrolase catalytic domain confirm catalytic mechanism and explain inhibition by ADP-HPD derivatives. [PDF]

open access: yesPLoS ONE, 2012
Poly(ADP-ribose) glycohydrolase (PARG) is the only enzyme known to catalyse hydrolysis of the O-glycosidic linkages of ADP-ribose polymers, thereby reversing the effects of poly(ADP-ribose) polymerases.
Julie A Tucker   +9 more
doaj   +1 more source

Host cell poly(ADP-ribose) glycohydrolase is crucial for Trypanosoma cruzi infection cycle. [PDF]

open access: yesPLoS ONE, 2013
Trypanosoma cruzi, etiological agent of Chagas' disease, has a complex life cycle which involves the invasion of mammalian host cells, differentiation and intracellular replication. Here we report the first insights into the biological role of a poly(ADP-
Salomé C Vilchez Larrea   +5 more
doaj   +1 more source

Identification of PARP12 Inhibitors By Virtual Screening and Molecular Dynamics Simulations

open access: yesFrontiers in Pharmacology, 2022
Poly [adenosine diphosphate (ADP)-ribose] polymerases (PARPs) are members of a family of 17 enzymes that performs several fundamental cellular processes.
Tahani M. Almeleebia   +11 more
doaj   +1 more source

Динамические способности и управление качеством [PDF]

open access: yes, 2008
BACKGROUND: Mechanical ventilation can induce organ injury associated with overwhelming inflammatory responses. Excessive activation of poly(adenosine diphosphate-ribose) polymerase enzyme following massive DNA damage may aggravate inflammatory responses.
Chiang, Shyh Ren   +9 more
core   +2 more sources

Recurrent Cervical Cancer Treated Successfully with Single-Agent PARP-Inhibitor, Olaparib

open access: yesCase Reports in Obstetrics and Gynecology, 2022
Recurrent cervical cancer has a grim prognosis with 5-year survival
Maya Gross, Ryan J. Spencer
doaj   +1 more source

Anti-tumour and radiosensitising effects of PARP inhibitor on cervical cancer xenografts

open access: yesJournal of Obstetrics and Gynaecology, 2023
This study evaluated the radiosensitising effect of niraparib; a poly(adenosine diphosphate-ribose) polymerase (PARP) inhibitor on HeLa cervical cancer cells in nude mice and explored its possible mechanism.
Qin Xue   +5 more
doaj   +1 more source

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