Results 11 to 20 of about 107,812 (233)

Opposite effects of uracil and adenine nucleotides on the survival of murine cardiomyocytes [PDF]

open access: yesJournal of Cellular and Molecular Medicine, 2007
AbstractWe previously showed that the human heart expresses all known P2X and P2Y receptors activated by extra‐cellular adenine or uracil nucleotides. Despite evidence that, both in humans and rodents, plasma levels of ATP and UTP markedly increase during myocardial infarction, the differential effects mediated by the various adenine‐ and uracil ...
A. Mazzola   +8 more
openaire   +4 more sources

An uracil-linked hydroxyflavone probe for the recognition of ATP [PDF]

open access: yesBeilstein Journal of Organic Chemistry, 2018
Background: Nucleotides are essential molecules in living systems due to their paramount importance in various physiological processes. In the past years, numerous attempts were made to selectively recognize and detect these analytes, especially ATP ...
Márton Bojtár   +6 more
doaj   +2 more sources

APOBEC3 activity and DNA polymerase-ε deficiency are associated with distinct IDH1 R132 hotspot mutations. [PDF]

open access: yesMol Oncol
Isocitrate dehydrogenase 1 (IDH1) mutations are highly recurrent in multiple human cancer types, including cholangiocarcinoma and glioma. IDH1 R132C is the most common IDH1 mutation in cholangiocarcinoma and likely arises from APOBEC3A‐ or APOBEC3B‐mediated deamination.
Butler KE, Lone BA, Unal E, Banday AR.
europepmc   +2 more sources

Ribonucleotides Amplify Mitochondrial DNA-Driven cGAS-STING Activation via FdUMP-ribonucleotide Hybrid Particles to Potentiate Chemoimmunotherapy. [PDF]

open access: yesAdv Sci (Weinh)
This work develops a metabolic sharing strategy that employs cytidine monophosphate (CMP) to competitively reprogram floxuridine (FUDR) pyrimidine metabolism in colorectal tumor cells. Elevated intracellular FdUMP induces nucleotide imbalance, drives mitochondrial DNA release and cGAS‐STING innate immune cascade activation, and potentiates robust ...
Wang C   +10 more
europepmc   +2 more sources

Characterization of carABpyrB operon and role of pyrE in Francisella novicida biofilm. [PDF]

open access: yesMicrobiologyopen
Pyrimidine biosynthesis links metabolism to biofilm regulation in Francisella novicida. During nutrient limitation, reduced pyrimidine availability shifts metabolism from uracil salvage to de novo synthesis, increasing biofilm formation. Mutants in carABpyrB exhibit uracil‐dependent growth defects and elevated biofilm:growth ratios, revealing ...
Sprinkel KC, Geiger AR, van Hoek ML.
europepmc   +2 more sources

Silencing NTPDase3 activity rehabilitates the osteogenic commitment of post-menopausal stem cell bone progenitors

open access: yesStem Cell Research & Therapy, 2023
Background Endogenously released adenine and uracil nucleotides favour the osteogenic commitment of bone marrow-derived mesenchymal stromal cells (BM-MSCs) through the activation of ATP-sensitive P2X7 and UDP-sensitive P2Y6 receptors.
José Bernardo Noronha-Matos   +13 more
doaj   +1 more source

Hydrophilic interaction liquid chromatography coupled to quadrupole-time-of-flight mass spectrometry for determination of nuclear and cytoplasmatic contents of nucleotides, nucleosides and their nucleobases in food yeasts

open access: yesTalanta Open, 2021
Hydrophilic interaction liquid chromatography using a zwitterionic phase, coupled with high-resolution mass spectrometry based on quadrupole and time-of-flight mass analyser (HILIC-Q-TOF-MS) is applied for the determination of four nucleobases (adenine ...
Marta Pastor-Belda   +5 more
doaj   +1 more source

The Importance of the Fifth Nucleotide in DNA: Uracil

open access: yes, 2023
Uracil is a ribonucleotide found in both DNA and RNA, with the main difference between the two being the presence of thymine in DNA and uracil in RNA. Although thymine and uracil are similar in function and can form the same base pairs with adenine, the presence of uracil in DNA can affect DNA stability and modulate cell-specific functions.
Roberts, Jamie Z., LaBonte , Melissa J.
openaire   +2 more sources

Statistical analysis of readthrough levels for nonsense mutations in mammalian cells reveals a major determinant of response to gentamicin. [PDF]

open access: yesPLoS Genetics, 2012
The efficiency of translation termination depends on the nature of the stop codon and the surrounding nucleotides. Some molecules, such as aminoglycoside antibiotics (gentamicin), decrease termination efficiency and are currently being evaluated for ...
Célia Floquet   +3 more
doaj   +1 more source

Genetic predisposition to porto‐sinusoidal vascular disorder: A functional genomic‐based, multigenerational family study

open access: yesHepatology, EarlyView., 2022
A deleterious variant of FCHSD1 results in mTOR pathway overactivation and may cause porto‐sinusoidal vascular disorder (PSVD). The pedigree of the family demonstrated an autosomal dominant disease with variable expressivity. Whole‐genome sequencing and Sanger sequencing both validated the existence of the FCHSD1 variant and the heterozygosity of c ...
Jingxuan Shan   +19 more
wiley   +1 more source

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