Results 11 to 20 of about 197,991 (343)

In Plane Vibration of Pyrimidine and some Deuterated Pyrimidines [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 1991
On the basis of 102 assigned frequencies to in plane vibrations of pyrimidine, pyrimidine-2-d2, pyrimidine-2, 5-d2, pyrimidine-4,6-d2, pyrimidine-2,4,6-d3 and pyrimidine-d4, 35 valance force field constants including 14 principals and 21 interaction ...
F. Milani Nejad,
doaj   +2 more sources

Studies in pyrimidine metabolism [PDF]

open access: greenJournal of Biological Chemistry, 1920
By partial hydrolysis of yeast nucleic acid, preparations containing pyrimidines as the only nitrogenous constituents were prepared and administered to rabbits. Uracil nucleoside when administered per os, subcutaneously or intraperitoneally caused an increased excretion of urea often much more than enough to account for the nitrogen administered.
Darrell M. Wilson
openalex   +6 more sources

Inhibition of HSD17B13 protects against liver fibrosis by inhibition of pyrimidine catabolism in nonalcoholic steatohepatitis

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2023
Significance Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disease, in which the prognosis is determined by liver fibrosis.
P. Luukkonen   +17 more
semanticscholar   +1 more source

Identifying the wide diversity of extraterrestrial purine and pyrimidine nucleobases in carbonaceous meteorites

open access: yesNature Communications, 2022
The lack of pyrimidine diversity in meteorites remains a mystery since prebiotic chemical models and laboratory experiments have predicted that these compounds can also be produced from chemical precursors found in meteorites.
Y. Oba   +6 more
semanticscholar   +1 more source

High-throughput continuous evolution of compact Cas9 variants targeting single-nucleotide-pyrimidine PAMs

open access: yesNature Biotechnology, 2022
Directed evolution creates new compact Cas9 variants that target most single pyrimidine nucleotide PAMs. Despite the availability of Cas9 variants with varied protospacer-adjacent motif (PAM) compatibilities, some genomic loci—especially those with ...
Tony P. Huang   +7 more
semanticscholar   +1 more source

Re-Discovery of Pyrimidine Salvage as Target in Cancer Therapy

open access: yesCells, 2022
Nucleotides are synthesized through two distinct pathways: de novo synthesis and nucleoside salvage. Whereas the de novo pathway synthesizes nucleotides from amino acids and glucose, the salvage pathway recovers nucleosides or bases formed during DNA or ...
M. Walter, P. Herr
semanticscholar   +1 more source

Targeting Pyrimidine Metabolism in the Era of Precision Cancer Medicine

open access: yesFrontiers in Oncology, 2021
Metabolic rewiring is considered as a primary feature of cancer. Malignant cells reprogram metabolism pathway in response to various intrinsic and extrinsic drawback to fuel cell survival and growth.
Wanyan Wang   +4 more
semanticscholar   +1 more source

Cellular pyrimidine imbalance triggers mitochondrial DNA–dependent innate immunity

open access: yesNature Metabolism, 2021
Cytosolic mitochondrial DNA (mtDNA) elicits a type I interferon response, but signals triggering the release of mtDNA from mitochondria remain enigmatic.
Hans-Georg Sprenger   +12 more
semanticscholar   +1 more source

Pyrimidine: a review on anticancer activity with key emphasis on SAR

open access: yesFuture Journal of Pharmaceutical Sciences, 2021
Cancer is a global health challenge, it impacts the quality of life and its treatment is associated with several side effects. Resistance of the cancer cells to the existing drugs has led to search for novel anticancer agents.
Aastha Mahapatra   +2 more
semanticscholar   +1 more source

A druggable addiction to de novo pyrimidine biosynthesis in diffuse midline glioma

open access: yesbioRxiv, 2021
Diffuse midline glioma (DMG) is a uniformly fatal pediatric cancer driven by oncohistones that do not readily lend themselves to drug development.
Sharmistha Pal   +15 more
semanticscholar   +1 more source

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