histamine/fever

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Effect of hyperthermia on histamine blood level and convulsive behavior in infant rats.

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Febrile seizures (FS), which have been extensively studied using animal models, are the most common type of convulsive events in children, but the cellular mechanisms causing FS are still unclear. Histamine has been suggested to participate in seizure control. This study investigated the effect of

[The microhemodynamics and lymph flow in the small intestine under the action of histamine against a background of water loading and hyperthermia in dogs].

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In anesthetized dogs, an increase of the lymph flow and the transcapillary fluid transfer, under the effect of histamine, was due to elevation of capillary hydrostatic pressure and capillary filtration coefficient in the small intestine. Against the background of water load and hyperthermia,

Nasal mucosal mast cells and histamine in hay fever. Effect of topical glucocorticoid treatment.

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Symptomatic seasonal allergic rhinitis has previously been found to be associated with a redistribution of mast cells from the subepithelial stroma to the epithelial lining and the surface of the nasal mucosa. The present study was designed in order to elucidate the interaction between topical

Influence of a beta-adrenoceptor stimulant, KWD 2131, in nasal histamine provocation tests. Rhinomanometric evaluations in normal persons and patients with hay fever.

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Nasal histamine provocation was performed in ll asymptomatic (out of season) patients with hay fever and in ll normal controls. Posterior rhinomanometry was used for objective evaluation. The histamine challenges caused nasal symptoms as well as increased nasal airway resistance. The differences in

IgE-mediated drug fever due to histamine H2-receptor blockers.

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Drug-induced fever due to histamine H2-receptor blockers was experienced by a 55-year-old man. The patient became febrile 5 days after receiving cimetidine, and continued to be febrile until the drug was stopped. His maximum body temperature was above 40 degrees C. Challenge tests with cimetidine

Neuronal histamine release elicited by hyperthermia mediates tracheal dilation and pressor response.

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Whether brain histaminergic neurons contribute to the regulation of tracheal tone and peripheral vascular tone under hyperthermia was investigated in anesthetized rabbits. Histamine release from the rostral ventrolateral medulla (RVLM), the raphe nuclei, and the solitary nucleus of the medulla

Extreme cutaneous histamine sensitivity with hay fever and increased IgE concentrations in an unselected population.

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Cutaneous sensitivity to histamine, responses to prick tests with allergens, and serum IgE concentrations were measured and hay fever assessed by questionnaire in an unselected population to determine whether increased sensitivity to histamine is an independent phenomenon contributing to allergic

Asthenospermia in hay fever patients improved by stopping treatment with histamine H1 receptor antagonists.

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We report two cases of asthenospermia, which appeared to be associated with exposure to histamine H1 receptor antagonists. A 44-year-old man and a 35-year-old man had continued the treatment with fexofenadine hydrochloride and cetirizine hydrochloride, respectively, under the diagnosis of hay fever.

Histamine-induced suppressor cell function and nasal sensitivity in hay fever sufferers.

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Histamine-induced suppressor cell function was measured in a group of twenty-five hay fever suffers and sixteen non-atopic controls. No difference was found in the suppression index between sufferers and controls. There was, however, a significant relationship between the suppression index and nasal

Secretory activity of nasal mucosal mast cells and histamine release in hay fever.

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Although theoretical considerations and experimental evidence implicate the mast cells in the pathophysiology of the immediate type hypersensitivity reaction, the evidence of their active participation in human allergic disease is still fragmentary. We have therefore sought evidence of mast cell

Basophil histamine release in patients with hay fever. Results compared with specific IgE and total IgE during immunotherapy.

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Histamine release from leucocytes was demonstrated in grass pollen hay fever patients on in vitro challenge with extract of Pleum pratense (timothy). No release was found in persons without a history of grass pollen allergy. During preseasonal hyposensitization the following tendencies were found in

[The participation of histamine and serotonin in the genesis of acute kidney failure in patients with hemorrhagic fever with renal syndrome].

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In order to explore possible involvement of histamine and serotonin in acute renal failure related to hemorrhagic fever with renal syndrome (HFRS), selected markers or renal lesions have been compared with biochemical findings in highly severe cases. Literature reports and the study results lead the

[Analysis of changes in serotonin, histamine, and prostaglandin E2 levels in cerebrospinal fluid and body tissues during hyperthermia of various origins].

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Physical hyperthermia caused distinct increase in content of serotonin in liquor and its decrease in hypothalamus of rabbits and rats, while histamine and PGE2 were unaltered in liquor of these animals. Considerable increase of PGE2 in liquor simultaneously with unaltered content of serotonin and

Cellular histamine release, specific and total serum IgE levels in hay fever patients and controls.

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The amount of histamine released from blood leucocytes by allergen, the amount of allergen required to release 50% histamine and the total IgE and IgE specific for Dactylis glomerata are compared in nine hay fever patients and five control individuals. The variation with time of total IgE, of

A simplified method for measuring basophil histamine release and blocking antibodies in hay fever patients. Basophil histamine content and cell preservation.

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A simplified method for measuring basophil histamine release in grass pollen hay fever patients has been developed. Leukocytes were challenged in vitro with extracts of Phleum pratense (timothy) and the release of histamine was determined indirectly as the residual histamine in the cell sediment.

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