Results 21 to 30 of about 126,099 (267)

Molecular and pharmacological characterization of serotonin 5-HT2α and 5-HT7 receptors in the salivary glands of the blowfly Calliphora vicina. [PDF]

open access: yesPLoS ONE, 2012
Secretion in blowfly (Calliphora vicina) salivary glands is stimulated by the biogenic amine serotonin (5-hydroxytryptamine, 5-HT), which activates both inositol 1,4,5-trisphosphate (InsP(3))/Ca(2+) and cyclic adenosine 3',5'-monophosphate (cAMP ...
Claudia Röser   +6 more
doaj   +1 more source

IFN-γ inhibits 5-HT-induced melanin biosynthesis via downregulation of 5-HT receptors in vivo/in vitro

open access: yesJournal of Pharmacological Sciences, 2019
Hypopigmentation disorders, such as vitiligo, are difficult for treatment due to complicated pathogenesis, resulting from multiple factors including neural and immune elements. 5-HT and IFN-γ both play crucial roles in these skin diseases.
Minxuan Cai   +5 more
doaj   +1 more source

The Constitutive Activity of Spinal 5-HT6 Receptors Contributes to Diabetic Neuropathic Pain in Rats

open access: yesBiomolecules, 2023
Diabetic neuropathy is often associated with chronic pain. Serotonin type 6 (5-HT6) receptor ligands, particularly inverse agonists, have strong analgesic potential and may be new candidates for treating diabetic neuropathic pain and associated co-morbid
Nazarine Mokhtar   +12 more
doaj   +1 more source

Serotonergic Modulation of Neurovascular Transmission: A Focus on Prejunctional 5-HT Receptors/Mechanisms

open access: yesBiomedicines, 2023
5-Hydroxytryptamine (5-HT), or serotonin, plays a crucial role as a neuromodulator and/or neurotransmitter of several nervous system functions. Its actions are complex, and depend on multiple factors, including the type of effector or receptor activated.
Abimael González-Hernández   +3 more
doaj   +1 more source

The role of 5-HT receptors in depression

open access: yesMolecular Brain, 2017
Depression is a polygenic and highly complex psychiatric disorder that remains a major burden on society. Antidepressants, such as selective serotonin reuptake inhibitors (SSRIs), are some of the most commonly prescribed drugs worldwide. In this review, we will discuss the evidence that links serotonin and serotonin receptors to the etiology of ...
Christine N. Yohn   +2 more
openaire   +3 more sources

Both exogenous 5-HT and endogenous 5-HT, released by fluoxetine, enhance distension evoked propulsion in guinea-pig ileum in vitro

open access: yesFrontiers in Neuroscience, 2014
The roles of 5-HT3 and 5-HT4 receptors in the modulation of intestinal propulsion by luminal application of 5-HT and augmentation of endogenous 5-HT effects were studied in segments of guinea-pig ileum in vitro. Persistent propulsive contractions evoked
Rachel M Gwynne   +3 more
doaj   +1 more source

Changes in 5-HT Receptor Expression in Untreated, de novo Patients with Parkinson's Disease

open access: yesJournal of Parkinson’s Disease, 2014
Background: Serotonin (5-HT) has long been implied in the pathophysiology of Parkinson's disease (PD). In addition, the 5-HT 2A receptor is associated with the regulation of motor function and mood.
Maartje Melse   +4 more
doaj   +1 more source

Dynamics and Patterning of 5-Hydroxytryptamine 2 Subtype Receptors in JC Polyomavirus Entry

open access: yesViruses, 2022
The organization and dynamics of plasma membrane receptors are a critical link in virus-receptor interactions, which finetune signaling efficiency and determine cellular responses during infection. Characterizing the mechanisms responsible for the active
Kashif Mehmood   +9 more
doaj   +1 more source

Conservation of 5-HT1A receptor-mediated autoinhibition of serotonin (5-HT) neurons in mice with altered 5-HT homeostasis

open access: yesFrontiers in Pharmacology, 2013
Firing activity of serotonin (5-HT) neurons in the dorsal raphe nucleus (DRN) is controlled by inhibitory somatodendritic 5-HT1A autoreceptors. This autoinhibitory mechanism is implicated in the etiology of disorders of emotion regulation, such as ...
Naozumi eAraragi   +5 more
doaj   +1 more source

Influences of 5-hydroxytriptamine on sperm hyperactivation and in vitro fertility in rats

open access: yesThe Journal of Reproduction and Development
The neurotransmitter, 5-hydroxytriptamine (5-HT), is well known. Furthermore, it enhances the acrosome reaction, hyperactivation, and in vitro fertilization (IVF) success in hamsters and mice.
Yuki KOYANO, Masakatsu FUJINOKI
doaj   +1 more source

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