Results 21 to 30 of about 696,707 (241)

The Affinity of Histamine for Gq Protein-Coupled Histamine H1-Receptors Is Predominantly Regulated by Their Internalization in Human Astrocytoma Cells

open access: yesJournal of Pharmacological Sciences, 2012
We examined the regulatory mechanisms of the affinity of Gq protein-coupled histamine H1-receptors for histamine after histamine pretreatment in intact human U373 MG astrocytoma cells.
Shigeru Hishinuma   +3 more
doaj   +1 more source

Investigations on neuropeptide Y and histamine receptors by fluorescence-based and radiochemical methods [PDF]

open access: yes, 2011
In the last three decades, a large amount of experimental data (for example Förster resonance energy transfer (FRET) at fluorescently labelled receptors) supported the hypothesis of the dimerization of G-protein-coupled receptors (GPCR), including ...
Lopuch, Miroslaw
core   +1 more source

Novel chalcone-based fluorescent human histamine H 3 receptor ligands as pharmacological tools [PDF]

open access: yes, 2012
Novel fluorescent chalcone-based ligands at human histamine H(3) receptors (hH(3)R) have been designed, synthesized, and characterized. Compounds described are non-imidazole analogs of ciproxifan with a tetralone motif.
Miriam Tomasch   +7 more
core   +1 more source

Effects of Histamine and H1- and H2-Receptor Blocker on Food Intake, Food Passage Rate and in situ Nutrient Uptake from the Small Intestine of Chicken (Gallus domestics)

open access: yesThe Journal of Poultry Science, 2007
To implicate histamine and its receptors in feed intake and nutrient transport, White Leghorn cockerels of the same age and body weight were grouped randomly into six groups.
Abdul Nasir   +2 more
doaj   +1 more source

Plasticity of histamine H3 receptor expression and binding in the vestibular nuclei after labyrinthectomy in rat [PDF]

open access: yes, 2004
Background: In rat, deafferentation of one labyrinth (unilateral labyrinthectomy) results in a characteristic syndrome of ocular and motor postural disorders (e.g., barrel rotation, circling behavior, and spontaneous nystagmus). Behavioral recovery (e.g.,
Panula, Pertti   +9 more
core   +1 more source

Typical and Atypical Antipsychotic Drugs Increase Extracellular Histamine Levels in the Rat Medial Prefrontal Cortex: Contribution of Histamine H1 Receptor Blockade

open access: yesFrontiers in Psychiatry, 2012
Atypical antipsychotics such as clozapine and olanzapine have been shown to enhance histamine turnover and this effect has been hypothesized to contribute to their improved therapeutic profile compared to typical antipsychotics.
Kjell A Svensson
doaj   +1 more source

Incidence and clinical importance of perioperative histamine release: randomised study of volume loading and antihistamines after induction of anaesthesia [PDF]

open access: yes, 1994
Although histamine release is recognised as a common event during anaesthesia and surgery, few clinicians judge the resultant cardiorespiratory disturbances serious enough to warrant prophylaxis with antihistamines.
Lorenz, Wilfried   +10 more
core   +1 more source

Histamine elicits glutamate release from cultured astrocytes

open access: yesJournal of Pharmacological Sciences, 2018
Astrocytes play key roles in regulating brain homeostasis and neuronal activity. This is, in part, accomplished by the ability of neurotransmitters in the synaptic cleft to bind astrocyte membrane receptors, activating signalling cascades that regulate ...
Anikó Kárpáti   +7 more
doaj   +1 more source

Prophylaxis of anaphylactoid reactions to a polypeptidal plasma substitute by H1- plus H2-receptor antagonists: synopsis of three randomized controlled trials [PDF]

open access: yes, 1982
To demonstrate the efficacy of a premedication with H1- + H2-receptor antagonists against histamine-release responses in anaesthesia and surgery 3 randomized controlled trials were conducted in patients, volunteers and experimental animals (dogs ...
Lorenz, Wilfried   +5 more
core   +1 more source

Function and Role of histamine H1 receptor in the mammalian heart [PDF]

open access: yes, 2023
Histamine can change the force of cardiac contraction and alter the beating rate in mammals, including humans. However, striking species and regional differences have been observed. Depending on the species and the cardiac region (atrium versus ventricle)
Dhein, Stefan   +4 more
core   +2 more sources

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