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 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 ...

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 ...

This paper presents SCF AM1 and CNDO/2 RF calculations of the potential energy surface of histamine monocation (HA) and the agonists 2-(4-thiazolyl)ethylamine (TIA) and 2-(4-oxazolyl)ethylamine (OXA). the similarity of ...

The cardiovascular system of vertebrates is regulated by a vast number of regulatory factors, including histamine. In pythons, histamine induces a strong tachycardia and dilates the systemic vasculature, which resembles ...

Obtaining food, shelter or water, or finding a mating partner are examples of motivated behaviors, which are essential to preserve the species. The full expression of such behaviors requires a high but optimal arousal ...

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 ...

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 ...