Results 131 to 140 of about 84,347 (233)

Treprostinil: Mechanism of Action, Clinical, and Translational Science

open access: yesClinical and Translational Science, Volume 19, Issue 11, November 2026.
ABSTRACT Treprostinil is a synthetic prostacyclin analogue with a tricyclic benzindene structure that confers markedly enhanced metabolic stability relative to native prostacyclin, enabling delivery by four distinct routes—intravenous, subcutaneous, inhaled, and oral—that together constitute a mainstay of pharmacotherapy for pulmonary arterial ...
Muhammad Sameed   +2 more
wiley   +1 more source

Opioid Modulation of Major Neurotransmitter Systems: Acute, Chronic, and Withdrawal Effects

open access: yesEuropean Journal of Neuroscience, Volume 64, Issue 9, November 2026.
Opioids are widely used but also frequently misused drugs that affect multiple neurotransmitter systems, including dopaminergic, glutamatergic, GABAergic, serotonergic, and cholinergic pathways. Opioid‐induced neuroadaptations depend on the duration of drug exposure, with distinct changes also emerging following drug discontinuation.
Daniela Novakova   +2 more
wiley   +1 more source

MdPHYB2‐MdPIF1 Module Regulates Transcription Factors to Mediate Light‐Dependent ALA‐Induced Apple Anthocyanin Biosynthesis

open access: yesPlant, Cell &Environment, Volume 49, Issue 11, Page 7808-7824, November 2026.
ABSTRACT Light is a primary environmental signal that induces plant anthocyanin accumulation. The plant growth regulator 5‐aminolevulinic acid (ALA) has also been proven to effectively promote anthocyanin accumulation in apple. However, the underlying regulatory mechanisms remain unknown.
Liuzi Zhang   +3 more
wiley   +1 more source

Regulation of type I adenylyl cyclase by calmodulin kinase IV in vivo

open access: yes, 1996
Type I adenylyl cyclase is a neurospecific enzyme that is stimulated by Ca2+ and calmodulin (CaM). This enzyme couples the Ca2+ and cyclic AMP (cAMP) regulatory systems in neurons, and it may play an important role for some forms of synaptic plasticity ...
Wayman, G A   +3 more
core   +1 more source

Tuning the Triazolotriazine Scaffold Toward Selective A3 Adenosine Receptor Antagonists: From Molecular Recognition to Neuroprotection

open access: yesChemMedChem, Volume 21, Issue 20, 28 October 2026.
Structure‐based optimization of the triazolo‐triazine scaffold afforded highly potent and selective adenosine A3 receptor antagonists. Replacement of the classical 2‐furyl group with phenyl‐based substituents markedly improved A3 receptor affinity and selectivity.
Veronika Kost   +12 more
wiley   +1 more source

Electrophysiological analysis of the actions of pituitary adenylyl cyclase activating peptide in the taenia of the guinea-pig caecum

open access: yes, 1995
Electrophysiological analysis of the actions of pituitary adenylyl cyclase activating peptide in the taenia of the guinea-pig ...
DJK Lyster (19187338)   +2 more
core  

Targeting Soluble Adenylyl Cyclase for On-Demand Contraception. [PDF]

open access: yesPhysiology (Bethesda)
Gardner ER, Kopf GS, Buck J, Levin LR.
europepmc   +1 more source

Oligomerization of transmembrane adenylyl cyclase isoforms. [PDF]

open access: yesMol Pharmacol
Aryal S   +3 more
europepmc   +1 more source

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