Results 31 to 40 of about 584,446 (261)

Processes Underlining the Action of Pesticides on Ecosystems and Human Organism

open access: yesChemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2017
This article is devoted to the study of the mechanism of action of pesticides as compounds with a high complexing capacity for metals, nucleotides and enzymes.
Elena Saratovskikh
doaj   +1 more source

Targeting the Large Subunit of Human Ribonucleotide Reductase for Cancer Chemotherapy

open access: yesPharmaceuticals, 2011
Ribonucleotide reductase (RR) is a crucial enzyme in de novo DNA synthesis, where it catalyses the rate determining step of dNTP synthesis. RRs consist of a large subunit called RR1 (α), that contains two allosteric sites and one catalytic site, and a ...
Prem Singh Kaushal   +8 more
doaj   +1 more source

Diversity and complexity in neural organoids

open access: yesFEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

Analysis of Nucleosides and Nucleotides in Milk and Infant Formula [PDF]

open access: yes, 2013
Nucleotides have been routinely supplemented to infant formulas due to the important roles they play in metabolism and to replicate the higher concentrations typically found in human milk.
Gill, Brendon D.
core  

How Should Thiopurine Treatment be Monitored? Methodological Aspects [PDF]

open access: yes, 2010
Monitoring of thiopurine metabolites is important due to a complex metabolism with large interindividual variation, but the suitability of currently used methods has been questioned.
Peterson, Curt,   +11 more
core   +1 more source

RNA polymerisation without catalyst from 2’,3’-cyclic nucleotides by drying at air-water interfaces [PDF]

open access: yes, 2022
For the emergence of life, the abiotic synthesis of RNA from its monomers is a central step. We found alkaline, uncatalysed drying conditions in bulk and at heated air-water interfaces where 2´,3´-cyclic nucleotides polymerised, forming up to 10-mers ...
Sreekar, Wunnava   +33 more
core   +2 more sources

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

The effect of extracellular nucleotides on cytokine production and phagocytosis of macrophages [PDF]

open access: yes, 2014
Bacterial sepsis is a severe clinical condition, leading to severe sepsis, septic shock, and death. The complex pathophysiology of sepsis is not yet fully understood.
Hänsli, Christof Karl
core   +2 more sources

Exploring the Mutated Kinases for Chemoenzymatic Synthesis of N4-Modified Cytidine Monophosphates

open access: yesMolecules
Nucleosides, nucleotides, and their analogues are an important class of molecules that are used as substrates in research of enzymes and nucleic acid, or as antiviral and antineoplastic agents. Nucleoside phosphorylation is usually achieved with chemical
Martyna Koplūnaitė   +3 more
doaj   +1 more source

ABL kinase‐dependent phosphorylation of SH proteins promotes their direct interaction with CRK family SH2 domains

open access: yesFEBS Letters, EarlyView.
CT10 regulator of kinase (CRK) and CRK‐Like (CRKL) are signaling adaptors driving cell adhesion, motility, differentiation, and proliferation. SH2‐domain containing (SH) proteins are enriched in YXXP motifs which when phosphorylated create preferred binding sites for CRK family SH2 domains.
Phoebe M. Cousens   +8 more
wiley   +1 more source

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