Results 21 to 30 of about 245,344 (350)

Purine nucleotide depletion prompts cell migration by stimulating the serine synthesis pathway

open access: yesNature Communications, 2022
Purine nucleotides are necessary for various biological processes related to cell proliferation. Despite their importance in DNA and RNA synthesis, cellular signaling, and energy-dependent reactions, the impact of changes in cellular purine levels on ...
M. H. Soflaee   +20 more
semanticscholar   +1 more source

The interaction of aflatoxins with purines and purine nucleosides [PDF]

open access: yesBiochemical Journal, 1967
From measurements of thermal hyperchromicity and the behaviour of an aflatoxin-DNA mixture on a Sephadex column it was concluded that aflatoxin B(1) is capable of weak binding to single-stranded DNA. The interactions of the aflatoxins (B(1), G(1) and G(2)) with nucleosides result in difference spectra and suggest that the purine bases and the amino ...
J I, Clifford, K R, Rees
openaire   +2 more sources

Comparative study and relationship analysis between purine content, uric acid, superoxide dismutase, and growth traits in purebred and crossbred Thai native chickens

open access: yesFrontiers in Veterinary Science, 2023
The objective was to compare and analyze the relationship between growth, purine content, uric acid, and superoxide dismutase (SOD) in purebred and crossbred Thai native chickens. A total of 300 Thai native chickens were divided into 3 groups.
Veeraya Tantiyasawasdikul   +6 more
doaj   +1 more source

Purine metabolism in the development of osteoporosis.

open access: yesBiomedicine & pharmacotherapy = Biomedecine & pharmacotherapie, 2022
Osteoporosis is a common bone metabolic disease in postmenopausal women, diabetic patients and obese patients and is characterized by an imbalance in bone formation and resorption.
Keda Yang, Jie Li, Lin Tao
semanticscholar   +1 more source

Evolutionary impacts of purine metabolism genes on mammalian oxidative stress adaptation

open access: yesZoological Research, 2022
Many mammals risk damage from oxidative stress stemming from frequent dives (i.e., cycles of ischemia/reperfusion and hypoxia/reoxygenation), high altitude and subterranean environments, or powered flight.
Ran Tian   +5 more
semanticscholar   +1 more source

The influence of the addition of polymers on the physico-chemical properties of bentonite suspensions [PDF]

open access: yesScience of Sintering, 2014
Bentonite clays have many applications in industries ranging from construction to cosmetics. Addition of polymers can profoundly influence the properties of bentonite suspensions and we now describe the influence of a range of different polymers.
Stojiljkovic S.   +7 more
doaj   +1 more source

Disorders of purine biosynthesis metabolism.

open access: yesMolecular Genetics and Metabolism, 2021
Purines are essential molecules that are components of vital biomolecules, such as nucleic acids, coenzymes, signaling molecules, as well as energy transfer molecules.
Joseph P. Dewulf, S. Marie, M. Nassogne
semanticscholar   +1 more source

Metabolomics and mass spectrometry imaging reveal channeled de novo purine synthesis in cells

open access: yesScience, 2020
Signs of a metabolon in action Eukaryotic cells have a heterogeneous cytoplasm, with compartments large and small, membrane bound or not. Enzymes that catalyze the de novo synthesis of purine nucleotides, which are needed in rapidly dividing cells, are ...
V. Pareek   +3 more
semanticscholar   +1 more source

Purine metabolism regulates DNA repair and therapy resistance in glioblastoma

open access: yesNature Communications, 2020
Intratumoral genomic heterogeneity in glioblastoma (GBM) is a barrier to overcoming therapy resistance. Treatments that are effective independent of genotype are urgently needed.
Wei-Hua Zhou   +27 more
semanticscholar   +1 more source

Cryo-EM structures demonstrate human IMPDH2 filament assembly tunes allosteric regulation

open access: yeseLife, 2020
Inosine monophosphate dehydrogenase (IMPDH) mediates the first committed step in guanine nucleotide biosynthesis and plays important roles in cellular proliferation and the immune response. IMPDH reversibly polymerizes in cells and tissues in response to
Matthew C Johnson, Justin M Kollman
doaj   +1 more source

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