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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
5
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pubmed:dateCreated |
1969-5-25
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pubmed:abstractText |
It has been shown that the immune response of mice to infection with L. monocytogenes gives rise to a population of immunologically committed lymphoid cells which have the capacity to confer protection and a proportionate level of delayed-type hypersensitivity upon normal recipients. The cells were most numerous in the spleen on the 6th or 7th day of infection, but persisted for at least 20 days. Further study revealed that the immune cells must be alive in order to confer protection, and free to multiply in the tissues of the recipient if they are to provide maximum resistance to a challenge infection. The antibacterial resistance conferred with immune lymphoid cells is not due to antibacterial antibody; it is mediated indirectly through the macrophages of the recipient. These become activated by a process which appears to depend upon some form of specific interaction between the immune lymphoid cells and the infecting organism. This was deduced from the finding that immune lymphoid cells from BCG-immunized donors, which were highly but nonspecifically resistant to Listeria, failed to protect normal recipients against a Listeria challenge unless the recipients were also injected with an eliciting dose of BCG. The peritoneal macrophages of animals so treated developed the morphology and microbicidal features of activated macrophages. It is inferred that acquired resistance depends upon the activation of host macrophages through a product resulting from specific interaction between sensitized lymphoid cells and the organism or or its antigenic products. Discussion is also made of the possibility that activation of macrophages could be dependent upon antigenic stimulation of macrophages sensitized by a cytophilic antibody.
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-13687917,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-13938030,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-14114163,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-14134712,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-14194388,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-14194395,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-14467923,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-4164885,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-4220937,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-4226794,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-4235134,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-4290806,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-4860381,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-4958757,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-4976109,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-4976111,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-5229858,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-5333335,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-5635037,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4976110-5938421
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
AIM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
May
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pubmed:issn |
0022-1007
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:day |
1
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pubmed:volume |
129
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
973-92
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pubmed:dateRevised |
2010-6-22
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pubmed:meshHeading |
pubmed-meshheading:4976110-Animals,
pubmed-meshheading:4976110-BCG Vaccine,
pubmed-meshheading:4976110-Female,
pubmed-meshheading:4976110-Hypersensitivity, Delayed,
pubmed-meshheading:4976110-Immune Tolerance,
pubmed-meshheading:4976110-Injections, Intravenous,
pubmed-meshheading:4976110-Listeria monocytogenes,
pubmed-meshheading:4976110-Liver,
pubmed-meshheading:4976110-Lymphoid Tissue,
pubmed-meshheading:4976110-Macrophages,
pubmed-meshheading:4976110-Methods,
pubmed-meshheading:4976110-Mice,
pubmed-meshheading:4976110-Mitomycins,
pubmed-meshheading:4976110-Spleen
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pubmed:year |
1969
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pubmed:articleTitle |
The influence of immunologically committed lymphoid cells on macrophage activity in vivo.
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pubmed:publicationType |
Journal Article
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