Results 21 to 30 of about 8,121 (227)

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)
Joachim Neumann   +4 more
core   +2 more sources

Blocking Histamine H1 Improves Learning and Mnemonic Dysfunction in Mice With Social Isolation Plus Repeated Methamphetamine Injection

open access: yesJournal of Pharmacological Sciences, 2008
The aim of this study was to investigate the effects of histamine H1 and H3 antagonists on learning and mnemonic dysfunction in mice. Two H1 antagonists, pyrilamine and clozapine, and the prototypic H3 antagonist thioperamide were used to study the role ...
Feiyong Jia   +9 more
doaj   +1 more source

Histamine and Delirium: Current Opinion

open access: yesFrontiers in Pharmacology, 2019
Delirium is a very common, but refractory clinical state, notably present in intensive care and in the growing aging community. It is characterized by fluctuating disturbances in a number of key behavioral features, namely cognition, mood, attention ...
Paul L. Chazot   +3 more
doaj   +1 more source

Histamine H1 Receptors in Neural Stem Cells Are Required for the Promotion of Neurogenesis Conferred by H3 Receptor Antagonism following Traumatic Brain Injury

open access: yesStem Cell Reports, 2019
Summary: The neurological recovery following traumatic brain injury (TBI) is limited, largely due to a deficiency in neurogenesis. The present study explores the effects of histamine H3 receptor (H3R) antagonism on TBI and mechanisms related to ...
Rujia Liao   +11 more
doaj   +1 more source

Histamine induced high mobility group box-1 release from vascular endothelial cells through H1 receptor

open access: yesFrontiers in Immunology, 2022
BackgroundSystemic allergic reaction is characterized by vasodilation and vascular leakage, which causes a rapid, precipitous and sustained decrease in arterial blood pressure with a concomitant decrease of cardiac output.
Shangze Gao   +9 more
doaj   +1 more source

The Histamine H4 Receptor: From Orphan to the Clinic

open access: yesFrontiers in Pharmacology, 2015
The histamine H4 receptor (H4R) was first noted as a sequence in genomic databases that had features of a G-protein coupled receptor. This putative receptor was found to bind histamine consistent with its homology to other histamine receptors and thus ...
Robin L. Thurmond
doaj   +1 more source

Perioperative uses of histamine antagonists

open access: yes, 1990
Histamine release and adverse pseudoallergic/allergic reactions during the perioperative period occur frequently. The incidence of such reactions is 20%-30% for all grades of severity, 1%-5% for systemic reactions, and 0.1%-0.5% for life-threatening ...
Lorenz, Wilfried   +3 more
core   +1 more source

The relation between antihistamine medication during early pregnancy & birth defects

open access: yesEgyptian Journal of Medical Human Genetics, 2015
Antihistamines are a group of medications which can inhibit various histaminic actions at one of two histamine receptors (H1 or H2). H1 receptor antagonists are used for the relief of allergic dermatological and nondermatological conditions.
Rabah M. Shawky, Neveen S. Seifeldin
doaj   +1 more source

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

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

Allergic Rhinoconjunctivitis: the Role of Histamine

open access: yesMediators of Inflammation, 1994
Allergic rhinoconjunctivitis is the most common atopic condition encountered in clinical practice. Analysis of the pathogenesis of this condition permits identification of optimal therapeutic targets.
M. Andersson, L. Greiff, C. Svensson
doaj   +1 more source

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