Results 31 to 40 of about 66,422 (214)

The role of the mast cell in pigmentation disorders

open access: yesPigment International, 2021
The mast cell is a critical mediator of the inflammatory response by secreting histamine. While histamine is currently not regarded as a melanogen, recent studies have shown histamine release to induce melanogenesis, melanocyte proliferation and ...
Valdemar Wendelboe Nielsen   +1 more
doaj   +1 more source

Histamine-releasing factors

open access: yesCurrent Opinion in Immunology, 1996
There is increasing evidence that human basophils accumulate at sites of chronic inflammation, and, in particular, in allergic asthma. Investigators have, therefore, become very interested in identifying proteins that activate these cells. Recently, the gene encoding a candidate for this function, a novel molecule, the IgE-dependent histamine-releasing
openaire   +2 more sources

Perioperative uses of histamine antagonists

open access: yes, 1990
Histamine release and adverse pseudoallergic/allergic reactions during the perioperative period occur frequently. The incidence of such reactions is 20%-30% for all grades of severity, 1%-5% for systemic reactions, and 0.1%-0.5% for life-threatening ...
Lorenz, Wilfried   +3 more
core   +1 more source

Changes in IgE- and Antigen-dependent histamine-release in peripheral blood of Schistosoma mansoni-infected Ugandan fishermen after treatment with praziquantel

open access: yesBMC Immunology, 2004
Background Parasite-specific IgE levels correlate with human resistance to reinfection with Schistosoma spp. after chemotherapy. Although the role of eosinophils in schistosomiasis has been the focus of a great deal of important research, the involvement
Kazibwe Francis   +15 more
doaj   +1 more source

Histamine release after injection of benzodiazepines and of etomidate. A problem associated with the solvent propylene glycol (= Libération d'histamine après injection de benzodiazépines et d'étomidate. Rôle du solvant propylène-glycol)

open access: yes, 1993
Many drugs, especially when given in rapid sequence can cause histamine release. Ten healthy volunteers were premedicated with diazepam 10 mg.70 kg-1 i.v. and lormetazepam 1 mg.70 kg-1 i.v., respectively, 30 min prior to etomidate 0.15 mg.kg-1 i.v.
Doenicke, A.   +4 more
core   +1 more source

Sleep-wake sensitive mechanisms of adenosine release in the basal forebrain of rodents : an in vitro study [PDF]

open access: yes, 2013
Adenosine acting in the basal forebrain is a key mediator of sleep homeostasis. Extracellular adenosine concentrations increase during wakefulness, especially during prolonged wakefulness and lead to increased sleep pressure and subsequent rebound sleep.
Sims, Robert E.   +11 more
core   +1 more source

Prostaglandin D2 Inhibits IgE-Mediated Scratching by Suppressing Histamine Release From Mast Cells

open access: yesJournal of Pharmacological Sciences, 2005
Effects of prostaglandin (PG) D2, PGE2, and PGI2 on itch-associated scratching responses of mice and histamine release from the rat basophilic leukemia cell line RBL-2H3 were examined.
Yuki Hashimoto   +3 more
doaj   +1 more source

Granuloma pouch and skin histamine of the rat

open access: yes, 1958
Using the granuloma pouch technique of SELYE, effect of modification in local histamine on the inflammatory tissue reactions was examined in rats. The increase in the weight of pouch wall and histological inflammatory changes were distinctly inhibited in
Irino, Shozo
core   +1 more source

Histamine plasma levels from dietary histidine/histamine intake correlate with CGRP in trigeminal tissues

open access: yesThe Journal of Headache and Pain
Background Trigeminal afferents innervating the meninges are likely involved in the generation of headaches and migraine. A major proportion of these afferents can release calcitonin gene-related peptide (CGRP) upon stimulation. Several substances, among
Fernando de Mora   +5 more
doaj   +1 more source

Histamine modulates microglia function

open access: yesJournal of Neuroinflammation, 2012
Background Histamine is commonly acknowledged as an inflammatory mediator in peripheral tissues, leaving its role in brain immune responses scarcely studied.
Ferreira Raquel   +6 more
doaj   +1 more source

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