Source:http://linkedlifedata.com/resource/pubmed/id/17531200
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
2007-6-5
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pubmed:abstractText |
Calcineurin (CN), a calcium-activated phosphatase, plays a critical role in various biological processes including T cell activation. Cabin1, a calcineurin binding protein 1, has been shown to bind directly to CN using its C-terminal region and inhibit CN activity. However, no increase in CN activity has been found in Cabin1DeltaC T cells, which produce a truncated Cabin1 lacking the C-terminal CN binding region. Here, we report that Cabin1 has additional CN binding domain in its 701-900 amino acid residues. Cabin1 (701-900) blocked both CN-mediated dephosphorylation and nuclear import of NFAT and thus inhibited IL-2 production in response to PMA/ionomycin stimulation. This fact may explain why Cabin1DeltaC mice previously showed no significant defect in CN-mediated signaling pathway.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
0006-291X
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
20
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pubmed:volume |
359
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
129-35
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pubmed:dateRevised |
2010-11-18
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pubmed:meshHeading |
pubmed-meshheading:17531200-Adaptor Proteins, Signal Transducing,
pubmed-meshheading:17531200-Calcineurin,
pubmed-meshheading:17531200-Enzyme Activation,
pubmed-meshheading:17531200-Enzyme Inhibitors,
pubmed-meshheading:17531200-Humans,
pubmed-meshheading:17531200-Jurkat Cells,
pubmed-meshheading:17531200-Protein Binding
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pubmed:year |
2007
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pubmed:articleTitle |
A new calcineurin inhibition domain in Cabin1.
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pubmed:affiliation |
Department of Biochemistry and Molecular Biology, Cancer Research Institute, Interdisciplinary Program in Genetic Engineering, Seoul National University College of Medicine, 28 Yongon-dong, Chongro-gu, Seoul 110-799, Republic of Korea.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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