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1996-02-26
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Document 0224
DOCN M9620224
TI Differential effects of histamine on T helper type 2 (TH2) lymphocytes.
DT 9602
AU Khan MM; Department of Pharmaceutical Sciences, School of Pharmacy &;
Allied Health Professions, Creighton University Health Sciences; Center,
Omaha, Nebraska 68178, USA.
SO Proc West Pharmacol Soc. 1995;38:79-81. Unique Identifier : AIDSLINE
MED/96078125
AB Histamine inhibits IL-4 secretion from T helper type 2 cells but
enhances IL-5 secretion from the same cells. Both of these effects are
mediated by H2 receptors. Not all cyclic AMP-elevating agents affect
IL-4 and IL-5 secretion. The observations suggest a selective effect of
histamine on TH2 lymphocytes. Furthermore, Cl- channels may be involved
in histamine-mediated regulation of cytokine secretion. The data suggest
that histamine-induced elevation of cyclicAMP may be an important, but
probably not the sole, mechanism underlying the selective effects of
histamine on cytokine production.
DE Adolescence Adult Asthma/METABOLISM Chloride Channels/DRUG EFFECTS
Histamine/*PHARMACOLOGY Human In Vitro Interleukin-4/METABOLISM
Interleukin-5/METABOLISM Th2 Cells/*DRUG EFFECTS/METABOLISM JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).