Results 161 to 170 of about 1,480,236 (218)

Self-Management of Reflux-Like Symptoms: A Patient-Centered Decision-Making Approach.

Dig Dis
Hungin APS, Scarpignato C, Bredenoord AJ, Fox MR, López-Pintor E, Mendive JM, Savarino EV, Kahrilas PJ.   +7 more
europepmc   +1 more source

Rapid desensitization of the histamine H2 receptor on the human monocytic cell line U937

European Journal of Pharmacology, 1994
In the present study we have subjected the histamine H2 receptor on the monocytic cell line U937 to a thorough pharmacological characterization using a series of selective histamine H1, H2 and H3 receptor agonists and antagonists.
Aalt Bast, Rob Leurs, Hendrik Timmerman   +2 more
exaly   +2 more sources

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Inhibition of Histamine Release by Histamine controlled by H2 Receptor

Nature, 1973
AGENTS which increase the intracellular level of adenosine 3′-5′-monophosphate (cyclic AMP) in human leukocyte preparations such as the catecholamines, methylxanthines and prostaglandins, inhibit the antigen induced, IgE antibody mediated release of histamine from human leukocytes (basophils)1–3.
L M, Lichtenstein, E, Gillespie
openaire   +2 more sources

Histamine H2-receptor antagonists

Baillière's Clinical Gastroenterology, 1988
The first histamine H2-receptor antagonists were developed in the early 1970s, and they have a dominant role in today's management of peptic ulceration. The original regimens using either cimetidine or ranitidine attempted to control acidity across the 24 hours, but more 'modern' regimens use a large single dose of the H2-blocker in the evening, which ...
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Histamine H2-Receptor Antagonists

Nursing Clinics of North America, 1991
In summary, histamine initiates acid secretion by stimulating the H2 subtype histamine receptor on parietal cells. Cimetidine, rantidine, famotidine, and nizantidine are histamine H2-receptor antagonists that block this action of histamine, reducing gastric acid output and concentration under both basal and stimulated conditions.
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Histamine H2 receptors and cyclic AMP in brain

Life Sciences, 1974
Abstract The intravenous injection of histamine to 2–3 day old chicks resulted in a rapid and marked increase in the cyclic AMP content of the cerebral hemispheres that had been removed and frozen within 0.5s using a freeze-blowing technique. This response was not antagonized by pretreatment of the chicks with the histamine H1-receptor antagonists ...
S R, Nahorski, K J, Rogers, B M, Smith
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H1and H2 histamine receptors on Aplysia neurones

Nature, 1975
WE have found two types of histamine receptor on neurones of the mollusc Aplysia corresponding to those already known in mammals. The presence of these specific receptors is consistent with the suggestion that histamine acts as a neurotransmitter.
D O, Carpenter, G L, Gaubatz
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Histamine H1 and H2-Receptors at a Ganglionic Synapse

Nature, 1973
MANY humoral agents are capable of modulating synaptic transmission in sympathetic ganglia and it has been proposed that a variety of receptors are present at the ganglionic synapse (see Haefely1). There are thus many possible modulatory mechanisms at this synapse, some of which have a dual nature, the same substance being able both to facilitate and ...
M J, Brimble, D I, Wallis
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Antagonism of tolazoline by histamine H2-receptor blockers

Nature, 1975
TOLAZOLINE (2-benzyl-2-imidazoline), a peripheral vasodilator and adrenergic blocking agent used to treat peripheral vascular disease and (formerly) hypertension, has actions similar to those of histamine, including vasodilation, pressor responses in the rabbit and stimulation of intestinal smooth muscle, gastric secretion and the heart.
T O, Yellin, J W, Sperow, S H, Buck
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Histamine H2-Receptors and Gastric Secretion

1978
In 1966 Ash and Schild1 pointed out for the first time the existence of different types of histamine receptors. They defined as H1 receptors those which could be blocked by the classical antihistaminics and non-H1 receptors those which could not be blocked.
openaire   +2 more sources