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rdf:type |
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lifeskim:mentions |
umls-concept:C0034815,
umls-concept:C0086418,
umls-concept:C0243192,
umls-concept:C0334094,
umls-concept:C0750540,
umls-concept:C0871261,
umls-concept:C1280500,
umls-concept:C1518997,
umls-concept:C1704632,
umls-concept:C1706817,
umls-concept:C2911692
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pubmed:issue |
3
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pubmed:dateCreated |
1986-4-4
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pubmed:abstractText |
Histamine is known to modulate immune responses through the induction of suppressor cell subsets. The inhibition studies with antagonists suggest that the H2 agonist accounts for most of the suppression. This work studies the effects of various concentrations of 3-methyl histamine (as negative control), histamine, and pure H1 (2-methyl histamine, 2-pyridyl ethylamine) and H2 (4-methyl histamine, dimaprit) receptor agonists on the mitogenic (phytohemagglutinin A) proliferative response of normal human lymphocytes. At high concentrations of agonists (10(-3), 10(-4) M) the suppression induced by the two types of agonists is comparable to that of histamine. At lower concentrations (10(-6) M) the suppression is seen only in the presence of the H2 agonist. The suppression induced by the two agonists is generally reversed in the presence of an H2 receptor antagonist. The H1 receptor antagonist did not abolish and even increased the suppression induced by histamine and the two agonists.
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/2-methylhistamine,
http://linkedlifedata.com/resource/pubmed/chemical/4-methylhistamine,
http://linkedlifedata.com/resource/pubmed/chemical/Cimetidine,
http://linkedlifedata.com/resource/pubmed/chemical/Dimaprit,
http://linkedlifedata.com/resource/pubmed/chemical/Diphenhydramine,
http://linkedlifedata.com/resource/pubmed/chemical/Histamine,
http://linkedlifedata.com/resource/pubmed/chemical/Immunosuppressive Agents,
http://linkedlifedata.com/resource/pubmed/chemical/Methylhistamines,
http://linkedlifedata.com/resource/pubmed/chemical/Phytohemagglutinins,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Histamine,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Histamine H1,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Histamine H2,
http://linkedlifedata.com/resource/pubmed/chemical/Thiourea
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pubmed:status |
MEDLINE
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pubmed:issn |
0020-5915
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
79
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
249-52
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:2936688-Cimetidine,
pubmed-meshheading:2936688-Dimaprit,
pubmed-meshheading:2936688-Diphenhydramine,
pubmed-meshheading:2936688-Dose-Response Relationship, Drug,
pubmed-meshheading:2936688-Histamine,
pubmed-meshheading:2936688-Humans,
pubmed-meshheading:2936688-Immunosuppressive Agents,
pubmed-meshheading:2936688-Lymphocyte Activation,
pubmed-meshheading:2936688-Methylhistamines,
pubmed-meshheading:2936688-Phytohemagglutinins,
pubmed-meshheading:2936688-Receptors, Histamine,
pubmed-meshheading:2936688-Receptors, Histamine H1,
pubmed-meshheading:2936688-Receptors, Histamine H2,
pubmed-meshheading:2936688-Thiourea
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pubmed:year |
1986
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pubmed:articleTitle |
Effects of H1 and H2 receptor agonists on nonspecific proliferative response of human peripheral blood lymphocytes.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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