Results 161 to 170 of about 66,422 (214)
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Agents and Actions, 1975
(1) Histamine release in man could be demonstrated using the fluorometric histamine assay in plasma as a reliable test. (2) Histamine release in animals may be relevant in some cases for human subjects, as shown for anaesthetic drugs and plasma substitutes on gelatin basis.
W Lorenz
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(1) Histamine release in man could be demonstrated using the fluorometric histamine assay in plasma as a reliable test. (2) Histamine release in animals may be relevant in some cases for human subjects, as shown for anaesthetic drugs and plasma substitutes on gelatin basis.
W Lorenz
exaly +3 more sources
The release of histamine by free radicals
Free Radical Biology and Medicine, 1988An extensive discussion of the available evidence about the release of histamine by free radicals is presented. In addition, the involvement of the free-radical driven release of histamine in human pathophysiology is debated.
P F Mannaioni, Emanuela Masini
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Clinical & Experimental Allergy, 1991
Histamine-releasing factors (HRF) are cell-derived products which cause histamine release from basophils and/or mast cells. We have isolated HRF from human mononuclear cells and platelets and have purified 3 molecular species having molecular weights of 8–10, 15–17 and 35–41 kilodaltons (kDa).
A P, Kaplan +3 more
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Histamine-releasing factors (HRF) are cell-derived products which cause histamine release from basophils and/or mast cells. We have isolated HRF from human mononuclear cells and platelets and have purified 3 molecular species having molecular weights of 8–10, 15–17 and 35–41 kilodaltons (kDa).
A P, Kaplan +3 more
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Histamine Release by Anaphylatoxin
Nature, 1951EARLY studies of the mechanism of anaphylaxis led to two apparently contradictory views : the so-called ‘humoral theory’, according to which the blood is the site of production of a toxin, the anaphylatoxin1–4; and the ‘cellular theory’, which localizes the anaphylactic reaction in the cells, and assumes that this reaction causes the release of ...
M, ROCHA E SILVA, O, BIER, M, ARONSON
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Science, 1984
Most of the effort directed at understanding the problems of allergy has focused on the interacting components of the immune system. The possibility that histamine may be released as a learned response has now been tested. In a classical conditioning procedure in which an immunologic challenge was paired with the presentation of an odor, guinea pigs ...
M, Russell +5 more
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Most of the effort directed at understanding the problems of allergy has focused on the interacting components of the immune system. The possibility that histamine may be released as a learned response has now been tested. In a classical conditioning procedure in which an immunologic challenge was paired with the presentation of an odor, guinea pigs ...
M, Russell +5 more
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Release of Histamine by Ammonia
Nature, 1949HISTAMINE is released from tissues in anaphylaxis, by trypsin, peptones, snake poisons, curare and diamidines. Garan1 has shown that ammonia vapour liberates histamine from guinea pigs' lungs. The following experiments show that histamine is quantitatively released from striated muscle in a solution of ammonium chloride, but that the effect is entirely
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Proceedings, annual meeting, Electron Microscopy Society of America, 1973
Isolated rat peritoneal mast cells respond to compound 48/80 and to antigen with degranulation and histamine (Hi) release. In electronmicroscopic studies the initial structural changes were seen at the periphery of the cell immediately adjacent to the cell membrane, indicating that the effect of compound 48/80 (and of antigen) starts from the cell ...
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Isolated rat peritoneal mast cells respond to compound 48/80 and to antigen with degranulation and histamine (Hi) release. In electronmicroscopic studies the initial structural changes were seen at the periphery of the cell immediately adjacent to the cell membrane, indicating that the effect of compound 48/80 (and of antigen) starts from the cell ...
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Leucocyte Histamine Release in Migraine
Headache: The Journal of Head and Face Pain, 1980SYNOPSIS Although histamine has been suggested as a possible vasoactive mediator in the pathogenesis of migraine, the mechanism of histamine release and its exact role in the pathophysiology of migraine is unclear. The spontaneous release of histamine from plasma‐free leucocyte suspensions was examined in 9 patients with 5 types of ...
W M, Sanders +3 more
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Histamine release by platelet aggregation
Agents and Actions, 1990Coincubation of rat serosal mast cells with human platelets leads to a significant release of histamine. which dose-dependently increases when platelet aggregation is induced by various concentrations of arachidonic acid. In turn, histamine enhances platelet aggregation induced by different agonists, this effect being mimicked by pyridyl-ethyl-amine ...
P. F. Mannaioni +6 more
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