Results 121 to 130 of about 12,014 (244)

Opposite functions of histamine H1 and H2 receptors and H3 receptor in substantia nigra pars reticulata

, 2006
The substantia nigra pars reticulata (SNr) is a key basal ganglia output nucleus. Inhibitory outputs from SNr are encoded in spike frequency and pattern of the inhibitory SNr projection neurons.
LeDoux, Mark S., Zhao, Yu, Zhou, Fu Wen, Xu, Jian Jun, Zhou, Fu Ming   +4 more
core   +1 more source

This histamine-like effects of Phallusia nigra extract: evidences for direct activity at H1 receptors

, 1997
The methanol extract (mol. wt lower than 3,000 Da) of the sea squirt Phallusia nigra has stimulatory activity on guinea-pig ileum preparations. This effect was inhibited by cyproheptadine and mepyramine, but not by atropine.
Costa, L.V., deFreitas, J.C., Elena L.A Malpezzi, José Carlos de Freitas, Berlinck, R.G.S., Malpezzi, E.L.A., Roberto G.S Berlinck, Rowan, E.G., Letı́cia V Costa, Edward G Rowan   +9 more
core   +1 more source

Dualistic H1-mediated effect of histamine on the isolated human intestine

, 2005
Histamine (HA) contracts gastrointestinal smooth muscle cells from both animals and humans through the activation of H1 receptors. The recent discovery of the H4 receptor subtype, causing a rise in the intracellular Ca2+ levels and then representing a ...
POZZOLI, Cristina, REGINA C., MENOZZI, Alessandro, POLI, Enzo, RONCORONI, Luigi, REGINA G., CORUZZI G.   +6 more
core   +1 more source

Regulation of H1-receptor coupling and H1-receptor mRNA by histamine in bovine tracheal smooth muscle

, 1998
1. Pretreatment of bovine tracheal smooth muscle (BTSM) with histamine (1-100 μM, 1 h) induced a concentration-dependent desensitization of the contractile response to subsequently administered histamine, with a reduction of the maximum response of 72 ...
Dupont, LJ, Barnes, PJ, Pype, JL, Verleden, GM, Mak, JCW   +4 more
core   +1 more source

Histamine H1 receptors are expressed in mouse and frog semicircular canal sensory epithelia.

, 2008
Histamine-related drugs are commonly used in the treatment of vertigo and related vestibular disorders.Their site andmechanism of action, however, are still poorly understood.
ZAMPINI, VALERIA, BOTTA, LAURA, GASTALDI, GIULIA, Valli Stefano, MASETTO, SERGIO, LAFORENZA, UMBERTO, ZUCCA, GIANPIERO, VALLI, PAOLO, TRITTO, SIMONA, PERIN, PAOLA   +9 more
core   +1 more source

Desensitization of the histamine H1-receptor and transcriptional down-regulation of histamine H1-receptor gene expression in bovine tracheal smooth muscle

, 1998
1. We have investigated the role of protein kinase C (PKC) in the desensitization of histamine H1-receptors and in the expression of the histamine H1-receptor gene in airway smooth muscle. 2. Prolonged 4β-phorbol 12,13 dibutyrate (PDBu) pretreatment (4 h,
Dupont, LJ, Barnes, PJ, Pype, JL, Verleden, GM, Mak, JCW   +4 more
core   +1 more source

Evidence for both histamine H1 and H2 receptors on human articular chondrocytes

, 1987
SUMMARY Using specific histamine HI and H2 receptor antagonists, evidence is presented for the existence of both H1 and H2 receptors on human articular chondrocytes in vitro.
D J Taylor, D E Woolley
core  

Histamine controls food intake in sheep via H1 receptors

Histamine is a well known amine which controls many physiological functions of the CNS, including fluid balance, appetite, thermoregulation, cardiovascular control, learning and the stress response.
Rahmani HR, Ingram CD
core  

Histamine, histamine receptors, and neuropathic pain relief [PDF]

Histamine, acting via distinct histamine H1 , H2 , H3 , and H4 receptors, regulates various physiological and pathological processes, including pain. In the last two decades, there has been a particular increase in evidence to support the involvement of ...
Telezhkin V, Alrashdi I, Obara I, Chazot PL   +3 more
core  

Concerning the histamine receptor (H1)

Journal of Pharmacy and Pharmacology, 1969
openaire   +2 more sources