Results 1 to 10 of about 29,382 (269)

Molecular bases of catalysis and ADP-ribose preference of human Mn2+-dependent ADP-ribose/CDP-alcohol diphosphatase and conversion by mutagenesis to a preferential cyclic ADP-ribose phosphohydrolase. [PDF]

open access: yesPLoS ONE, 2015
Among metallo-dependent phosphatases, ADP-ribose/CDP-alcohol diphosphatases form a protein family (ADPRibase-Mn-like) mainly restricted, in eukaryotes, to vertebrates and plants, with preferential expression, at least in rodents, in immune cells. Rat and
Alicia Cabezas   +8 more
doaj   +17 more sources

Does Cyclic ADP-Ribose (cADPR) Activate the Non-selective Cation Channel TRPM2? [PDF]

open access: yesFrontiers in Immunology, 2020
TRPM2 is a non-selective, Ca2+-permeable cation channel widely expressed in immune cells. It is firmly established that the channel can be activated by intracellular adenosine 5′-diphosphoribose (ADPR).
Ralf Fliegert   +2 more
doaj   +2 more sources

Synthesis and Biological Evaluation of a New Structural Simplified Analogue of cADPR, a Calcium-Mobilizing Secondary Messenger Firstly Isolated from Sea Urchin Eggs [PDF]

open access: yesMarine Drugs, 2018
Herein, we reported on the synthesis of cpIPP, which is a new structurally-reduced analogue of cyclic ADP-ribose (cADPR), a potent Ca2+-releasing secondary messenger that was firstly isolated from sea urchin eggs extracts.
Stefano D’Errico   +10 more
doaj   +4 more sources

Inhibition of CD38/Cyclic ADP-ribose Pathway Protects Rats against Ropivacaine-induced Convulsion [PDF]

open access: yesChinese Medical Journal, 2017
Background: The CD38/cyclic ADP-ribose (cADPR) pathway plays a role in various central nervous system diseases and in morphine tolerance, but its role in local anesthetic intoxication is unknown.
Yu Zou   +3 more
doaj   +2 more sources

Cyclic ADP-ribose and heat regulate oxytocin release via CD38 and TRPM2 in the hypothalamus during social or psychological stress in mice [PDF]

open access: yesFrontiers in Neuroscience, 2016
Hypothalamic oxytocin (OT) is released into the brain by cyclic ADP-ribose (cADPR) with or without depolarizing stimulation. Previously, we showed that the intracellular free calcium concentration ([Ca2+]i) that seems to trigger OT release can be ...
Jing Zhong   +18 more
doaj   +2 more sources

A Cell-Permeant Mimetic of NMN Activates SARM1 to Produce Cyclic ADP-Ribose and Induce Non-apoptotic Cell Death [PDF]

open access: yesiScience, 2019
Summary: SARM1, an NAD-utilizing enzyme, regulates axonal degeneration. We show that CZ-48, a cell-permeant mimetic of NMN, activated SARM1 in vitro and in cellulo to cyclize NAD and produce a Ca2+ messenger, cADPR, with similar efficiency as NMN ...
Zhi Ying Zhao   +13 more
doaj   +2 more sources

Crystal structures and snapshots along Tpt1-catalyzed phosphate transfer from nucleic acid to NAD+ [PDF]

open access: yesNature Communications
Tpt1/TRPT1/KptA family proteins are evolutionarily conserved in all three domains of life. In fungi and plants, Tpt1 transfers 2’-PO4 2- from tRNA splice junction to NAD+, which is the final step of tRNA maturation and is critical for the function of ...
Chulei Cao   +17 more
doaj   +2 more sources

Connexin-43 hemichannels mediate cyclic ADP-ribose generation and its Ca2+-mobilizing activity by NAD+/cyclic ADP-ribose transport. [PDF]

open access: yesJ Biol Chem, 2011
The ADP-ribosyl cyclase CD38 whose catalytic domain resides in outside of the cell surface produces the second messenger cyclic ADP-ribose (cADPR) from NAD(+). cADPR increases intracellular Ca(2+) through the intracellular ryanodine receptor/Ca(2+) release channel (RyR). It has been known that intracellular NAD(+) approaches ecto-CD38 via its export by
Song EK   +9 more
europepmc   +4 more sources

Maintenance of NAD+ Homeostasis in Skeletal Muscle during Aging and Exercise

open access: yesCells, 2022
Nicotinamide adenine dinucleotide (NAD) is a versatile chemical compound serving as a coenzyme in metabolic pathways and as a substrate to support the enzymatic functions of sirtuins (SIRTs), poly (ADP-ribose) polymerase-1 (PARP-1), and cyclic ADP ribose
Li Li Ji, Dongwook Yeo
doaj   +1 more source

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