| pubmed-article:10224076 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:10224076 | lifeskim:mentions | umls-concept:C0086418 | lld:lifeskim |
| pubmed-article:10224076 | lifeskim:mentions | umls-concept:C0027950 | lld:lifeskim |
| pubmed-article:10224076 | lifeskim:mentions | umls-concept:C0018296 | lld:lifeskim |
| pubmed-article:10224076 | lifeskim:mentions | umls-concept:C0205177 | lld:lifeskim |
| pubmed-article:10224076 | lifeskim:mentions | umls-concept:C1366537 | lld:lifeskim |
| pubmed-article:10224076 | lifeskim:mentions | umls-concept:C1510438 | lld:lifeskim |
| pubmed-article:10224076 | lifeskim:mentions | umls-concept:C0679622 | lld:lifeskim |
| pubmed-article:10224076 | lifeskim:mentions | umls-concept:C1879547 | lld:lifeskim |
| pubmed-article:10224076 | lifeskim:mentions | umls-concept:C1880022 | lld:lifeskim |
| pubmed-article:10224076 | lifeskim:mentions | umls-concept:C0205314 | lld:lifeskim |
| pubmed-article:10224076 | pubmed:issue | 19 | lld:pubmed |
| pubmed-article:10224076 | pubmed:dateCreated | 1999-6-3 | lld:pubmed |
| pubmed-article:10224076 | pubmed:abstractText | A major function of Rac2 in neutrophils is the regulation of oxidant production important in bacterial killing. Rac and the related GTPase Cdc42 also regulate the dynamics of the actin cytoskeleton, necessary for leukocyte chemotaxis and phagocytosis of microorganisms. Although these GTPases appear to be critical downstream components of chemoattractant receptor signaling in human neutrophils, the pathways involved in direct control of Rac/Cdc42 activation remain to be determined. We describe an assay that measures the formation of Rac-GTP and Cdc42-GTP based on their specific binding to the p21-binding domain of p21-activated kinase 1. A p21-binding domain glutathione S-transferase fusion protein specifically binds Rac and Cdc42 in their GTP-bound forms both in vitro and in cell samples. Binding is selective for Rac and Cdc42 versus RhoA. Using this assay, we investigated Rac and Cdc42 activation in neutrophils and differentiated HL-60 cells. The chemoattractant fMet-Leu-Phe and the phorbol ester phorbol myristate acetate stimulate formation of Rac-GTP and Cdc42-GTP with distinct time courses that parallel cell activation. We also show that the signaling pathways leading to Rac and Cdc42 activation in HL-60 cells involve G proteins sensitive to pertussis toxin, as well as tyrosine kinase and phosphatidylinositol 3-kinase activities. | lld:pubmed |
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| pubmed-article:10224076 | pubmed:language | eng | lld:pubmed |
| pubmed-article:10224076 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:10224076 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:10224076 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:10224076 | pubmed:month | May | lld:pubmed |
| pubmed-article:10224076 | pubmed:issn | 0021-9258 | lld:pubmed |
| pubmed-article:10224076 | pubmed:author | pubmed-author:BokochG MGM | lld:pubmed |
| pubmed-article:10224076 | pubmed:author | pubmed-author:BohlB PBP | lld:pubmed |
| pubmed-article:10224076 | pubmed:author | pubmed-author:BenardVV | lld:pubmed |
| pubmed-article:10224076 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:10224076 | pubmed:day | 7 | lld:pubmed |
| pubmed-article:10224076 | pubmed:volume | 274 | lld:pubmed |
| pubmed-article:10224076 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:10224076 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:10224076 | pubmed:pagination | 13198-204 | lld:pubmed |
| pubmed-article:10224076 | pubmed:dateRevised | 2007-11-14 | lld:pubmed |
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| pubmed-article:10224076 | pubmed:year | 1999 | lld:pubmed |
| pubmed-article:10224076 | pubmed:articleTitle | Characterization of rac and cdc42 activation in chemoattractant-stimulated human neutrophils using a novel assay for active GTPases. | lld:pubmed |
| pubmed-article:10224076 | pubmed:affiliation | Departments of Immunology and Cell Biology, The Scripps Research Institute, La Jolla, California 92037, USA. | lld:pubmed |
| pubmed-article:10224076 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:10224076 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:10224076 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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