Results 1 to 10 of about 36,265 (173)

Myelin 2',3'-cyclic nucleotide 3'-phosphodiesterase: active-site ligand binding and molecular conformation. [PDF]

open access: goldPLoS ONE, 2012
The 2',3'-cyclic nucleotide 3'-phosphodiesterase (CNPase) is a highly abundant membrane-associated enzyme in the myelin sheath of the vertebrate nervous system.
Matti Myllykoski   +3 more
doaj   +4 more sources

Novel Radioligands for Cyclic Nucleotide Phosphodiesterase Imaging with Positron Emission Tomography: An Update on Developments Since 2012 [PDF]

open access: goldMolecules, 2016
Cyclic nucleotide phosphodiesterases (PDEs) are a class of intracellular enzymes that inactivate the secondary messenger molecules, cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP).
Susann Schröder   +4 more
doaj   +2 more sources

Co-crystal structures of PKG Iβ (92-227) with cGMP and cAMP reveal the molecular details of cyclic-nucleotide binding. [PDF]

open access: yesPLoS ONE, 2011
Cyclic GMP-dependent protein kinases (PKGs) are central mediators of the NO-cGMP signaling pathway and phosphorylate downstream substrates that are crucial for regulating smooth muscle tone, platelet activation, nociception and memory formation.
Jeong Joo Kim   +10 more
doaj   +1 more source

A label-free LC/MS-based enzymatic activity assay for the detection of PDE5A inhibitors

open access: yesFrontiers in Chemistry, 2023
Phosphodiesterase type 5 (PDE5), a cyclic nucleotide phosphodiesterase, controls the duration of the cyclic guanosine monophosphate (cGMP) signal by hydrolyzing cGMP to GMP.
Yufeng Ma   +9 more
doaj   +1 more source

Phosphodiesterase 7 inhibition preserves dopaminergic neurons in cellular and rodent models of Parkinson disease. [PDF]

open access: yesPLoS ONE, 2011
BACKGROUND: Phosphodiesterase 7 plays a major role in down-regulation of protein kinase A activity by hydrolyzing cAMP in many cell types. This cyclic nucleotide plays a key role in signal transduction in a wide variety of cellular responses.
Jose A Morales-Garcia   +7 more
doaj   +1 more source

Phosphodiesterase 10A (PDE10A): Regulator of Dopamine Agonist-Induced Gene Expression in the Striatum

open access: yesCells, 2022
Dopamine and other neurotransmitters have the potential to induce neuroplasticity in the striatum via gene regulation. Dopamine receptor-mediated gene regulation relies on second messenger cascades that involve cyclic nucleotides to relay signaling from ...
Ryan Bonate   +6 more
doaj   +1 more source

The exopolyphosphatase TbrPPX1 of Trypanosoma brucei

open access: yesBMC Microbiology, 2011
Background Exopolyphosphatases and pyrophosphatases play important but still incompletely understood roles in energy metabolism, and also in other aspects of cell biology such as osmoregulation or signal transduction.
Freimoser Florian   +4 more
doaj   +1 more source

The Receptor-Bound Guanylyl Cyclase DAF-11 Is the Mediator of Hydrogen Peroxide-Induced cGMP Increase in Caenorhabditis elegans [corrected].. [PDF]

open access: yesPLoS ONE, 2013
Adenosine 3', 5'-cyclic monophosphate (cAMP) and guanosine 3', 5'-cyclic monophosphate (cGMP) are well-studied second messengers that transmit extracellular signals into mammalian cells, with conserved functions in various other species such as ...
Ulrike Beckert   +6 more
doaj   +1 more source

Studies on the Inhibition of Ectonucleotide Pyrophosphatase/Phosphodiesterase 1 (ENPP1) by 2-(3,4-Dihydroxyphenyl)-7,8-dihydroxy-3-methoxychromen-4-one, a Flavonoid from Pistacia chinensis

open access: yesChemistry, 2023
Ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1) regulates skeletal and soft tissue mineralization by hydrolyzing nucleotide triphosphates and cyclic nucleotides, and is involved in the modulation of immune system. In fact, ENPP1 degrades 2′,3′-
Abdur Rauf   +7 more
doaj   +1 more source

Cyclic GMP Balance Is Critical for Malaria Parasite Transmission from the Mosquito to the Mammalian Host

open access: yesmBio, 2015
Transmission of malaria occurs during Anopheles mosquito vector blood meals, when Plasmodium sporozoites that have invaded the mosquito salivary glands are delivered to the mammalian host.
Viswanathan Lakshmanan   +7 more
doaj   +1 more source

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