Results 21 to 30 of about 299,285 (291)

NAD+ metabolism: pathophysiologic mechanisms and therapeutic potential

open access: yesSignal Transduction and Targeted Therapy, 2020
Nicotinamide adenine dinucleotide (NAD + ) and its metabolites function as critical regulators to maintain physiologic processes, enabling the plastic cells to adapt to environmental changes including nutrient perturbation, genotoxic factors, circadian ...
N. Xie   +8 more
semanticscholar   +1 more source

Structural and catalytic characterization of Blastochloris viridis and Pseudomonas aeruginosa homospermidine synthases supports the essential role of cation–π interaction

open access: yesActa Crystallographica Section D, Volume 77, Issue 10, Page 1317-1335, October 2021., 2021
The homospermidine synthases from P. aeruginosa and B. viridis, as well as their single‐residue variants, are compared based on crystal structures and activity assays. A high structural similarity is demonstrated, suggesting the equivalent involvement of relevant residues in the reaction mechanism and catalytic dependence on cation–π interaction ...
F. Helfrich, Axel J. Scheidig
wiley   +1 more source

The new insight into extracellular NAD+ degradation‐the contribution of CD38 and CD73 in calcific aortic valve disease

open access: yesJournal of Cellular and Molecular Medicine, Volume 25, Issue 13, Page 5884-5898, July 2021., 2021
Abstract Nicotinamide adenine dinucleotide (NAD+) is crucial for cell energy metabolism and many signalling processes. Recently, we proved the role of ecto‐enzymes in controlling adenine nucleotide–dependent pathways during calcific aortic valve disease (CAVD).
Patrycja Jablonska   +9 more
wiley   +1 more source

Assays for NAD+-Dependent Reactions and NAD+ Metabolites [PDF]

open access: yes, 2018
Nicotinamide adenine dinucleotide (NAD+) is an essential redox cofactor and signaling molecule that controls the activity of enzymes involved in metabolism, DNA repair, and cellular survival, such as the PARPs, CD38, and the sirtuins. Here, we describe three methods for measuring the activity of these enzymes: the etheno-NAD+ assay measures NAD ...
David A. Sinclair   +4 more
openaire   +2 more sources

Grabbing the genome by the NADs [PDF]

open access: yesChromosoma, 2015
The regions of the genome that interact frequently with the nucleolus have been termed nucleolar-associated domains (NADs). Deep sequencing and DNA-fluorescence in situ hybridization (FISH) experiments have revealed that these domains are enriched for repetitive elements, regions of the inactive X chromosome (Xi), and several RNA polymerase III ...
Matheson, Timothy D., Kaufman, Paul D.
openaire   +4 more sources

Increased demand for NAD+ relative to ATP drives aerobic glycolysis

open access: yesbioRxiv, 2020
Aerobic glycolysis, or preferential fermentation of glucose-derived pyruvate to lactate despite available oxygen, is a hallmark of proliferative metabolism that is observed across many organisms and conditions. To better understand why aerobic glycolysis
Alba Luengo   +13 more
semanticscholar   +1 more source

Design and Synthesis of New Sulfonic Acid Functionalized Ionic Liquids as Catalysts for Esterification of Fatty Acids with Bioethanol

open access: yesMolecules, 2023
In this study, three types of sulfonic acid group functionalized ionic liquids (SAILs) with a different number of catalytic groups and lipophilicity were synthesized and characterized by FT-IR, NMR, and MS analyses.
Thu Huong Nguyen Thi   +5 more
doaj   +1 more source

The essential schistosome tegumental ectoenzyme SmNPP5 can block NAD-induced T cell apoptosis

open access: yesVirulence, 2020
Infection with intravascular platyhelminths of the genus Schistosoma can result in the debilitating disease schistosomiasis. Schistosomes (blood flukes) can survive in the host for many years.
Catherine S. Nation   +2 more
doaj   +1 more source

Metabolically distinct roles of NAD synthetase and NAD kinase define the essentiality of NAD and NADP in Mycobacterium tuberculosis

open access: yesmBio, 2023
ABSTRACT Nicotinamide adenine dinucleotide (NAD) and its phosphorylated derivative (NADP) are essential cofactors that participate in hundreds of biochemical reactions and have emerged as therapeutic targets in cancer, metabolic disorders, neurodegenerative diseases, and infections, including tuberculosis.
Ritu Sharma   +11 more
openaire   +3 more sources

NAD(P)H oxidase: role in cardiovascular biology and disease.

open access: yesCirculation Research, 2000
Reactive oxygen species have emerged as important molecules in cardiovascular function. Recent work has shown that NAD(P)H oxidases are major sources of superoxide in vascular cells and myocytes.
K. Griendling   +2 more
semanticscholar   +1 more source

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