Results 21 to 30 of about 111,103 (336)
Revising Berg-Purcell for finite receptor kinetics [PDF]
From nutrient uptake, to chemoreception, to synaptic transmission, many systems in cell biology depend on molecules diffusing and binding to membrane receptors. Mathematical analysis of such systems often neglects the fact that receptors process molecules at finite kinetic rates.
arxiv +1 more source
Ligand-guided homology modeling drives identification of novel histamine H3 receptor ligands [PDF]
In this study, we report a ligand-guided homology modeling approach allowing the analysis of relevant binding site residue conformations and the identification of two novel histamine H3 receptor ligands with binding affinity in the nanomolar range.
Hagenow, Stefanie+3 more
core +1 more source
New Developments in the Use of Histamine and Histamine Receptors [PDF]
Histamine and the histamine receptors are important regulators of a plethora of biological processes, including immediate hypersensitivity reactions and acid secretion in the stomach. In these roles, antihistamines have found widespread therapeutic applications, while the last receptor to be discovered, the H4 histamine receptor, has become a major ...
Craig Smuda, Paul J. Bryce
openaire +3 more sources
The possible role of histamine receptors in the hippocampal formation on the exploratory motivation and emotionality of the rat was studied. An elevated asymmetric plus-maze composed of 4 different arms (no walls, single high wall, high and low walls and
M.B. Ruarte, A.G. Orofino, E.O. Alvarez
doaj +1 more source
Correlation of Histamine Receptors and Adrenergic Receptor in Broilers Appetite [PDF]
The current study was conducted to investigate the interaction between the central adrenergic and histaminergic systems and the broiler chick’s feed intake.
M Daneshvar+3 more
doaj +1 more source
Short photoperiod-induced decrease of histamine H3 receptors facilitates activation of hypothalamic neurons in the Siberian Hamster [PDF]
Nonhibernating seasonal mammals have adapted to temporal changes in food availability through behavioral and physiological mechanisms to store food and energy during times of predictable plenty and conserve energy during predicted shortage.
Bamshad+46 more
core +1 more source
Histamine and H1-histamine receptors faster venous circulation [PDF]
The study has analysed the action of histamine in the rabbit venous system and evaluated its potential role in contraction during increased venous pressure. We have found that a great variety exists in histamine sensitivity and H(1) -histamine receptor expression in various types of rabbit veins.
Galajda, Zoltán+12 more
openaire +3 more sources
Histamine stimulates the proliferation of small and large cholangiocytes by activation of both IP3/Ca2+ and cAMP-dependent signaling mechanisms [PDF]
Although large cholangiocytes exert their functions by activation of cyclic adenosine 3',5'-monophosphate (cAMP), Ca(2+)-dependent signaling regulates the function of small cholangiocytes. Histamine interacts with four receptors, H1-H4HRs.
Fanyin Meng+15 more
core +1 more source
Histamine receptors in GtoPdb v.2023.1 [PDF]
Histamine receptors (nomenclature as agreed by the NC-IUPHAR Subcommittee on Histamine Receptors [80, 174]) are activated by the endogenous ligand histamine. Marked species differences exist between histamine receptor orthologues [80].
Chazot, Paul+19 more
core +3 more sources
Histamine is a well-known inflammatory mediator, but how histamine induces angiogenesis remains poorly understood. In the present study, we demonstrated a dose-dependent dynamic tube formation in the human endothelial cell line EA.hy926 in the presence ...
Omer Faruk Hatipoglu+8 more
doaj