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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
6
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pubmed:dateCreated |
1977-9-2
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pubmed:abstractText |
When large proportions of B lymphocytes from the murine spleen are stimulated in vitro by bacterial lipopolysaccharide (LPS) B lymphoblasts with small amounts of intracellular immunoglobulin (Ig) and plasmablasts with large amounts of intracellular Ig concomitantly proliferate. It is likely that B lymphocytes are heterogeneous and LPS activates B cells to express their predetermined functional capacity since bromodeoxyuridine does not inhibit the initiation of Ig synthesis in plasmablasts, and Ig synthesis starts before these cells complete their first mitosis. The results suggest that LPS is a potent polyclonal activator (of a B-cell subset) but it is not a differentiation factor in the sense that it is unable to determine whether its target cell develops extensive endoplasmic reticulum or follows a different pathway. The results do not exclude that modulation of B cells' genetic programming might take place during T cell-dependent B-lymphocyte activation. The observed B-cell heterogeneity offers a possible explanation for the concomitant emergence of B memory cells and antibody producers during the early phase of immune responses in vivo.
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-1096382,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-14109144,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4112260,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4139233,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4182405,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4263445,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4358752,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4501537,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4514314,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4539012,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4543458,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4545165,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4563347,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4568302,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4583779,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4586163,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4588912,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4589168,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4592608,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4594974,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4604558,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4606790,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4615966,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4682838,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-4795260,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-49107,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-5033804,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-5078575,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-5240020,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-5283620,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-5538822,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-5547706,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-5647049,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-5751143,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-5804896,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-5926300,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1088414-6067685
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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 |
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pubmed:status |
MEDLINE
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pubmed:month |
Jun
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pubmed:issn |
0019-2805
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
30
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
799-810
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pubmed:dateRevised |
2009-11-18
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pubmed:meshHeading |
pubmed-meshheading:1088414-Animals,
pubmed-meshheading:1088414-B-Lymphocytes,
pubmed-meshheading:1088414-Bromodeoxyuridine,
pubmed-meshheading:1088414-Cell Differentiation,
pubmed-meshheading:1088414-Cytochalasin B,
pubmed-meshheading:1088414-Endoplasmic Reticulum,
pubmed-meshheading:1088414-Genes,
pubmed-meshheading:1088414-Hydroxyurea,
pubmed-meshheading:1088414-Immunoglobulins,
pubmed-meshheading:1088414-Lipopolysaccharides,
pubmed-meshheading:1088414-Mice,
pubmed-meshheading:1088414-Microscopy, Electron,
pubmed-meshheading:1088414-Polysaccharides, Bacterial
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pubmed:year |
1976
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pubmed:articleTitle |
Patterns of B-lymphocyte gene expression elicited by lipopolysaccharide mitogen.
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pubmed:publicationType |
Journal Article
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