Results 11 to 20 of about 409,167 (281)

Uraemic Cardiomyopathy in Different Mouse Models

open access: yesFrontiers in Medicine, 2021
Uraemic cardiomyopathy (UCM) is one of the most common complications in chronic kidney disease (CKD). Our aim was to compare characteristics of various UCM mouse models. Mice were assigned to the following groups: the pole ligation group, 5/6 nephrectomy
Cheng Chen   +7 more
doaj   +1 more source

CoCl2-Mimicked Endothelial Cell Hypoxia Induces Nucleotide Depletion and Functional Impairment That Is Reversed by Nucleotide Precursors

open access: yesBiomedicines, 2022
Chronic hypoxia drives vascular dysfunction by various mechanisms, including changes in mitochondrial respiration. Although endothelial cells (ECs) rely predominantly on glycolysis, hypoxia is known to alter oxidative phosphorylation, promote oxidative ...
Barbara Kutryb-Zajac   +6 more
doaj   +1 more source

Adsorption of Nucleic Acid Bases, Ribose, and Phosphate by Some Clay Minerals

open access: yesLife, 2015
Besides having a large capacity for taking up organic molecules, clay minerals can catalyze a variety of organic reactions. Derived from rock weathering, clay minerals would have been abundant in the early Earth. As such, they might be expected to play a
Hideo Hashizume
doaj   +1 more source

Purine Synthesis Inhibitor L-Alanosine Impairs Mitochondrial Function and Stemness of Brain Tumor Initiating Cells

open access: yesBiomedicines, 2022
Glioblastoma (GBM) is a lethal brain cancer exhibiting high levels of drug resistance, a feature partially imparted by tumor cell stemness. Recent work shows that homozygous MTAP deletion, a genetic alteration occurring in about half of all GBMs ...
Simranjit X. Singh   +8 more
doaj   +1 more source

Adenine and Thymine Effect on Quartz Dissolution at Different Artificial Seawaters

open access: yesOrbital: The Electronic Journal of Chemistry, 2018
According to Bernal (1951) minerals may have played important roles in the origin of life such as: protect biomolecules against degradation by UV radiation or hydrolysis, pre-concentrate biomolecules from prebiotic seas and formation of polymers.
Dimas Augusto Morozin Zaia   +2 more
doaj   +1 more source

Structure and stereochemistry of the base excision repair glycosylase MutY reveal a mechanism similar to retaining glycosidases. [PDF]

open access: yes, 2015
MutY adenine glycosylases prevent DNA mutations by excising adenine from promutagenic 8-oxo-7,8-dihydroguanine (OG):A mismatches. Here, we describe structural features of the MutY active site bound to an azaribose transition state analog which indicate a
Cao, Sheng   +6 more
core   +2 more sources

DGR mutagenic transposition occurs via hypermutagenic reverse transcription primed by nicked template RNA. [PDF]

open access: yes, 2017
Diversity-generating retroelements (DGRs) are molecular evolution machines that facilitate microbial adaptation to environmental changes. Hypervariation occurs via a mutagenic retrotransposition process from a template repeat (TR) to a variable repeat ...
Guo, Huatao   +6 more
core   +3 more sources

Electron transfer driven decomposition of adenine and selected analogs as probed by experimental and theoretical methods [PDF]

open access: yes, 2018
We report on a combined experimental and theoretical study of electron transfer induced decomposition of adenine and a selection of analogue molecules in collisions with potassium atoms (K).
Bacchus-Montabonel, M.-C.   +6 more
core   +3 more sources

Trypanosoma brucei methylthioadenosine phosphorylase protects the parasite from the antitrypanosomal effect of deoxyadenosine [PDF]

open access: yes, 2016
Trypanosoma brucei causes African sleeping sickness for which no vaccine exists and available treatments are of limited use due to their high toxicity or lack of efficacy. T.
de Koning, Harry P.   +4 more
core   +1 more source

Fluorescence kinetics of flavin adenine dinucleotide in different microenvironments [PDF]

open access: yes, 2013
Fluorescence kinetics of flavin adenine dinucleotide was measured in a wide time and spectral range in different media, affecting its intra- end extramolecular interactions, and analyzed by a new method based on compressed ...
A. Makai   +18 more
core   +2 more sources

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