Toward development of a comprehensive external quality assurance program for polyfunctional intracellular cytokine staining assays.
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The External Quality Assurance Program Oversight Laboratory (EQAPOL) Flow Cytometry Program assesses the proficiency of NIH/NIAID/DAIDS-supported and potentially other interested research laboratories in performing Intracellular Cytokine Staining (ICS) assays. The goal of the EQAPOL Flow Cytometry External Quality Assurance Program (EQAP) is to provide proficiency testing and remediation for participating sites. The program is not punitive; rather, EQAPOL aims to help sites identify areas for improvement. EQAPOL utilizes a highly standardized ICS assay to minimize variability and readily identify those sites experiencing technical difficulties with their assays. Here, we report the results of External Proficiency 3 (EP3) where participating sites performed a 7-color ICS assay. On average, sites perform well in the Flow Cytometry EQAP (median score is "Good"). The most common technical issues identified by the program involve protocol adherence and data analysis; these areas have been the focus of site remediation. The EQAPOL Flow Cytometry team is now in the process of expanding the program to 8-color ICS assays. Evaluating polyfunctional ICS responses would align the program with assays currently being performed in support of HIV immune monitoring assays.
Laboratory Proficiency Testing
Multicenter Studies as Topic
Practice Guidelines as Topic
Predictive Value of Tests
Quality Indicators, Health Care
Reproducibility of Results
Published Version (Please cite this version)10.1016/j.jim.2014.05.021
Publication InfoChan, C; Chan, RC-F; Denny, Thomas Norton; Enzor, Jennifer; Gaur, A; Jaimes, M; ... Weinhold, Kent James (2014). Toward development of a comprehensive external quality assurance program for polyfunctional intracellular cytokine staining assays. J Immunol Methods, 409. pp. 44-53. 10.1016/j.jim.2014.05.021. Retrieved from http://hdl.handle.net/10161/14674.
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Professor in Medicine
Thomas N. Denny, MSc, M.Phil, is the Chief Operating Officer of the Duke Human Vaccine Institute (DHVI) and the Center for HIV/AIDS Vaccine Immunology (CHAVI), and a Professor of Medicine in the Department of Medicine at Duke University Medical Center. He is also an Affiliate Member of the Duke Global Health Institute. He has recently been appointed to the Duke University Fuqua School of Business Health Sector Advisory Council. Previously, he was an Associate Professor of Pathology, Laboratory M
Joseph W. and Dorothy W. Beard Professor of Experimental Surgery, in the School of Medicine
In addition to their ongoing HIV/AIDS-related research activities, the Weinhold Laboratory is focused on utilizing a comprehensive repertoire of highly standardized and formerly validated assay platforms to profile the human immune system in order to identify immunologic signatures that predict disease outcomes. These ongoing studies span a broad range of highly relevant clinical arenas, including: 1) cancer (non-small cell lung cancer, head and neck cancer, glioblastoma neof
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