rdf:type |
|
lifeskim:mentions |
umls-concept:C0004561,
umls-concept:C0030685,
umls-concept:C0034789,
umls-concept:C0063477,
umls-concept:C0178719,
umls-concept:C0205263,
umls-concept:C0391871,
umls-concept:C0596235,
umls-concept:C0680255,
umls-concept:C0936012,
umls-concept:C1283071,
umls-concept:C1963578
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pubmed:issue |
1
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pubmed:dateCreated |
1986-7-18
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pubmed:abstractText |
The new Ca2+-probe indo-1 has a high fluorescence intensity, which allows low intracellular dye loadings. Stimulation of indo-1-loaded mouse B cells with anti-Ig antibodies provoked rapid rise of free cytoplasmic Ca2+ from 100 nM to greater than 1 microM, followed by a decline to a plateau at 300-400 nM. The initial rapid rise was not detected in quin2-loaded cells, presumably due to the Ca2+-buffering effects of the dye. The sustained Ca2+ increase was due to influx, whereas the initial rise was caused by release from intracellular stores. The magnitudes of Ca2+ release and inositol trisphosphate release were closely correlated. Concanavalin A does not provoke inositol trisphosphate release in mouse B cells. It did not induce a rapid initial Ca2+ rise in indo-1-loaded B cells either, but only a sustained increase to 200-300 nM. Finally, Ca2+ influx induced by both anti-Ig and concanavalin A were not affected by membrane depolarization.
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pubmed:commentsCorrections |
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pubmed:language |
eng
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pubmed:journal |
|
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Aminoquinolines,
http://linkedlifedata.com/resource/pubmed/chemical/Calcium,
http://linkedlifedata.com/resource/pubmed/chemical/Concanavalin A,
http://linkedlifedata.com/resource/pubmed/chemical/Indoles,
http://linkedlifedata.com/resource/pubmed/chemical/Inositol Phosphates,
http://linkedlifedata.com/resource/pubmed/chemical/Potassium,
http://linkedlifedata.com/resource/pubmed/chemical/Quin2-acetoxymethyl ester,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Antigen, B-Cell,
http://linkedlifedata.com/resource/pubmed/chemical/indo-1
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pubmed:status |
MEDLINE
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pubmed:month |
May
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pubmed:issn |
0006-291X
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pubmed:author |
|
pubmed:issnType |
Print
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pubmed:day |
29
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pubmed:volume |
137
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
500-6
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:3487320-Aminoquinolines,
pubmed-meshheading:3487320-Animals,
pubmed-meshheading:3487320-B-Lymphocytes,
pubmed-meshheading:3487320-Calcium,
pubmed-meshheading:3487320-Concanavalin A,
pubmed-meshheading:3487320-Cytoplasm,
pubmed-meshheading:3487320-Indoles,
pubmed-meshheading:3487320-Inositol Phosphates,
pubmed-meshheading:3487320-Male,
pubmed-meshheading:3487320-Membrane Potentials,
pubmed-meshheading:3487320-Mice,
pubmed-meshheading:3487320-Potassium,
pubmed-meshheading:3487320-Receptors, Antigen, B-Cell
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pubmed:year |
1986
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pubmed:articleTitle |
Cross-linking of surface immunoglobulin on B lymphocytes induces both intracellular Ca2+ release and Ca2+ influx: analysis with indo-1.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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