Document Detail

Detection of Activated STAT Species Using Electrophoretic Mobility Shift Assay (EMSA) and Potential Pitfalls Arising from the Use of Detergents.
MedLine Citation:
PMID:  23296727     Owner:  NLM     Status:  In-Data-Review    
Here we describe the preparation of nuclear extracts and the electrophoretic mobility shift assay (EMSA) for the detection of STAT species. We use the method for the investigation of STAT1 and STAT3 homo- and heterodimers and show how the preparation of the extracts can influence the distribution of the STAT species observed in the EMSA. We show that detergents can massively influence the STAT dimer distribution. Although it is unclear whether they primarily interfere with STAT DNA binding and/or whether they break up or further oligomerize STATs, the observation may also have an impact on the results of other techniques performed with detergent-containing cell lysates (e.g., coimmunoprecipitations of STATs with other proteins).
Serge Haan; Claude Haan
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Methods in molecular biology (Clifton, N.J.)     Volume:  967     ISSN:  1940-6029     ISO Abbreviation:  Methods Mol. Biol.     Publication Date:  2013  
Date Detail:
Created Date:  2013-01-08     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9214969     Medline TA:  Methods Mol Biol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  147-59     Citation Subset:  IM    
Life Sciences Research Unit, University of Luxembourg, Luxembourg, UK.
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