pubmed-article:1655769 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:1655769 | lifeskim:mentions | umls-concept:C0596901 | lld:lifeskim |
pubmed-article:1655769 | lifeskim:mentions | umls-concept:C0082529 | lld:lifeskim |
pubmed-article:1655769 | lifeskim:mentions | umls-concept:C1519726 | lld:lifeskim |
pubmed-article:1655769 | lifeskim:mentions | umls-concept:C1948023 | lld:lifeskim |
pubmed-article:1655769 | lifeskim:mentions | umls-concept:C0129533 | lld:lifeskim |
pubmed-article:1655769 | lifeskim:mentions | umls-concept:C0205263 | lld:lifeskim |
pubmed-article:1655769 | lifeskim:mentions | umls-concept:C1879547 | lld:lifeskim |
pubmed-article:1655769 | lifeskim:mentions | umls-concept:C0597876 | lld:lifeskim |
pubmed-article:1655769 | lifeskim:mentions | umls-concept:C0070750 | lld:lifeskim |
pubmed-article:1655769 | pubmed:issue | 28 | lld:pubmed |
pubmed-article:1655769 | pubmed:dateCreated | 1991-11-8 | lld:pubmed |
pubmed-article:1655769 | pubmed:abstractText | Engagement of membrane IgM on a number of human and murine B-cell lines induced activation of a Mn(2+)-preferring serine/threonine kinase that phosphorylated microtubule-associated protein-2 (MAP-2) in vitro. B-cell MAP-2 kinase (MAP-2K) activity could be fractionated into two peaks by sequential DEAE and hydrophobic chromatography. Although peak I included two tyrosine phosphoproteins of molecular mass 36 and 38 kDa, peak II showed a single 42-kDa tyrosine phosphoprotein (pp42). Since all kinase activity could be removed from peak II material over an antiphosphotyrosine immune affinity column, it suggests that pp42 is identical with lymphoid MAP-2K. Although peak I activity showed a similarity to peak II with regard to its preference for Mn2+, sensitivity to phosphatase exposure, and resistance to a range of common serine kinase inhibitors, it is not clear whether these activities are related. MAP-2 kinase activity could also be induced by treatment with the phorbol ester, phorbol myristate 13-acetate, suggesting that protein kinase C may also be involved with MAP-2K regulation. Although MAP-2K activity reached a peak response within minutes of receptor ligation, there were differences in the rates of dephosphorylation of pp42 and decline of MAP-2K activity in different B-cell lines. The tyrosine phosphatase inhibitor, vanadate, transformed a rapidly reversible MAP-2K response in BAL 17.2 cells into a sustained state of activation that resembled the kinetics of activation in WEHI-231 cells. The latter finding implies involvement of a tyrosine phosphatase, which opposes the effect of an inducing tyrosine kinase. | lld:pubmed |
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pubmed-article:1655769 | pubmed:language | eng | lld:pubmed |
pubmed-article:1655769 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:1655769 | pubmed:citationSubset | IM | lld:pubmed |
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pubmed-article:1655769 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:1655769 | pubmed:month | Oct | lld:pubmed |
pubmed-article:1655769 | pubmed:issn | 0021-9258 | lld:pubmed |
pubmed-article:1655769 | pubmed:author | pubmed-author:WilliamsKK | lld:pubmed |
pubmed-article:1655769 | pubmed:author | pubmed-author:KatzRR | lld:pubmed |
pubmed-article:1655769 | pubmed:author | pubmed-author:NelA EAE | lld:pubmed |
pubmed-article:1655769 | pubmed:author | pubmed-author:CasillasAA | lld:pubmed |
pubmed-article:1655769 | pubmed:author | pubmed-author:HanekomCC | lld:pubmed |
pubmed-article:1655769 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:1655769 | pubmed:day | 5 | lld:pubmed |
pubmed-article:1655769 | pubmed:volume | 266 | lld:pubmed |
pubmed-article:1655769 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:1655769 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:1655769 | pubmed:pagination | 19088-94 | lld:pubmed |
pubmed-article:1655769 | pubmed:dateRevised | 2009-11-19 | lld:pubmed |
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pubmed-article:1655769 | pubmed:year | 1991 | lld:pubmed |
pubmed-article:1655769 | pubmed:articleTitle | Stimulation of B-cells via the membrane immunoglobulin receptor or with phorbol myristate 13-acetate induces tyrosine phosphorylation and activation of a 42-kDa microtubule-associated protein-2 kinase. | lld:pubmed |
pubmed-article:1655769 | pubmed:affiliation | Department of Medicine, UCLA School of Medicine 90024-1680. | lld:pubmed |
pubmed-article:1655769 | pubmed:publicationType | Journal Article | lld:pubmed |
pubmed-article:1655769 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
pubmed-article:1655769 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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