Cyclic nucleotide specificity of the activator and catalytic sites of a cGMP-stimulated cGMP phosphodiesterase from Dictyostelium discoideum [PDF]
The cellular slime mold Dictyostelium discoideum has an intracellular phosphodiesterase which specifically hydrolyzes cGMP. The enzyme is activated by low cGMP concentrations, and is involved in the reduction of chemoattractant-mediated elevations of ...
Baraniak, Janina, +8 more
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Loss of angiotensin II receptor expression in dopamine neurons in Parkinson’s disease correlates with pathological progression and is accompanied by increases in Nox4- and 8-OH guanosine-related nucleic acid oxidation and caspase-3 activation [PDF]
In rodent models of Parkinsons disease (PD), dopamine neuron loss is accompanied by increased expression of angiotensin II (AngII), its type 1 receptor (AT1), and NADPH oxidase (Nox) in the nigral dopamine neurons and microglia.
Aboud, O +6 more
core +2 more sources
Phosphorylation of purine and pyrimidine nucleosides by isolated rat liver mitochondria [PDF]
Formation of 5'-AMP, 5'-GMP, 5'-CMP and 5'UMP was confirmed in isolated rat liver mitochondria incubated with alpha-ketoglutarate, inorganic phosphate, purine nucleoside and pyrimidine nucleoside. Increased incorporation of 32Pi into ATP, GTP and UTP was
Inaba, Kozo, Oda, Takuzo
core +1 more source
Guanosine-Derived Supramolecular Hydrogels: Recent Developments and Future Opportunities
Hydrogels are attractive materials for designing sensors, catalysts, scaffolds for tissue engineering, stimuli responsive soft materials, and controlled-release drug delivery systems.
Tanima Bhattacharyya, P. Saha, J. Dash
semanticscholar +1 more source
Guanosine behind the scene [PDF]
Read the full article ‘Guanosine controls inflammatory pathways to afford neuroprotection of hippocampal slices under oxygen and glucose deprivation conditions’ on doi: 10.1111/jnc ...
openaire +3 more sources
Role of Guanosine Kinase in the Utilization of Guanosine for Nucleotide Synthesis in Escherichia coli [PDF]
Using purine auxotrophic strains of Escherichia coli with additional genetic lesions in the pathways of interconversion and salvage of purine compounds, we demonstrated the in vivo function of guanosine kinase and inosine kinase. Mutants with increased ability to utilize guanosine were isolated by plating cells on medium with guanosine as the sole ...
Hove-Jensen, Bjarne, Nygaard, Per
openaire +3 more sources
Bacterial quorum sensing (QS) system regulates pathogenesis, virulence, and biofilm formation, and together they contribute to nosocomial infections. Opportunistic pathogens, such as Pseudomonas aeruginosa, rely on QS for regulating virulence factors ...
Itumeleng T. Baloyi +3 more
doaj +1 more source
Dynamics of Microtubule Growth and Catastrophe [PDF]
We investigate a simple model of microtubule dynamics in which a microtubule evolves by: (i) attachment of guanosine triphosphate (GTP) to its end at rate lambda, (ii) GTP converting irreversibly to guanosine diphosphate (GDP) at rate 1, and (iii ...
Antal, T. +4 more
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Survival of neurons is dependent on the presence of trophic and non-trophic factors. We have previously observed the protective capacity of purine nucleosides in hypoxic neuronal cell cultures.
Thauerer Bettina +3 more
doaj +1 more source
Synthetic (p)ppGpp analogue is an inhibitor of stringent response in mycobacteria [PDF]
Bacteria elicit an adaptive response against hostile conditions such as starvation and other kinds of stresses. Their ability to survive such conditions depends, in part, on stringent response pathways.
Bhardwaj, Neerupma +6 more
core +2 more sources

