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Suppression of wheal and flare in histamine test by the main H1 antihistamines commercialized in Brazil
(2018-03-01)
Background: Several dermatoses are mediated by histamine, such as urticaria, angioedema, and papular urticaria. There are no Brazilian studies comparing the potency of antihistamines. Objectives: To evaluate the tolerability ...
The possible involvement of hyperpolarizing mechanisms in histamine-induced relaxation of the rat portal vein
(2008-11-07)
The present study evaluated the effects of histamine 10 -2 M on longitudinal preparations of rat portal vein. It was observed that histamine 10 -2 M induced relaxation of rat portal vein preparations pre-contracted with ...
The possible involvement of hyperpolarizing mechanisms in histamine-induced relaxation of the rat portal vein
(2008-11-07)
The present study evaluated the effects of histamine 10 -2 M on longitudinal preparations of rat portal vein. It was observed that histamine 10 -2 M induced relaxation of rat portal vein preparations pre-contracted with ...
Agents that inhibit histamine release: A review
(1992-01-01)
It is well known that histamine is found in high concentration in mast cell granules(1). The histamine content of these granules may be released to the extracellular space if an appropriate stimulus is provided(2). Besides ...
Agents that inhibit histamine release: A review
(1992-01-01)
It is well known that histamine is found in high concentration in mast cell granules(1). The histamine content of these granules may be released to the extracellular space if an appropriate stimulus is provided(2). Besides ...
Modulatory effects of histamine on cat carotid body chemoreception
(ELSEVIER, 2008-12-31)
Histamine has been proposed to be an excitatory transmitter between the carotid body (CB) chemoreceptor (glomus) cells and petrosal ganglion (PG) neurons. The histamine biosynthetic pathway, its storage and release, as ...
A role for histamine in cardiovascular regulation in late stage embryos of the red-footed tortoise, Chelonoidis carbonaria Spix, 1824
(2013-08-01)
A chorioallantoic membrane artery in embryos of the red-footed tortoise, Chelonoidis carbonaria was occlusively cannulated for measurement of blood pressure and injection of drugs. Two age groups of embryos in the final ...