Two-step negative enrichment of CD4+ and CD8+ T cells from murine spleen via nylon wool adherence and an optimized antibody cocktail. 2001

M Gunzer, and C Weishaupt, and L Planelles, and S Grabbe
Department of Dermatology, Institute of Cell Biology, University of Muenster, Von Esmarch Strasse 56, D-48149, Münster, Germany. mgunzer@uni-muenster.de

We developed a method to highly purify CD4+ and CD8+ T cells from murine spleen by negative enrichment strategy. Single-cell suspensions of spleen cells were depleted from erythrocytes by ammonium chloride-mediated lysis. The obtained cell suspension contained approximately 28% CD4+ cells and 14% CD8+ cells. Passing of these cells over a nylon wool column removed up to 75% of all cells, leading to a suspension containing approximately 50% CD4+ and 23% CD8+ cells. These cells were further purified by a single immunomagnetic depletion step using a panel of eight antibodies in combination with MACS magnetic beads and an autoMACS machine. After purification, cells were viable and mostly non-activated based on the expression of activation markers and did not or only minimally respond to polyclonal stimuli such as soluble anti-CD3 antibodies or Concanavalin A. With this method, 19-38% of all CD4 cells and 10-29% of all CD8 cells in a spleen cell suspension were recovered at the mentioned purity. The whole procedure is fast (<4 h of preparation), simple and cost effective, as all antibodies and the magnetic beads have been titrated to the minimal concentration needed for purification. The method is highly reproducible, routinely leading to CD4+ cells with >97% purity (range 97.4-99%) and CD8+ cells with >96% purity (range 95.6-96.7%). The described protocol should facilitate studies aiming at the physiology of "untouched" murine T cells.

UI MeSH Term Description Entries
D008807 Mice, Inbred BALB C An inbred strain of mouse that is widely used in IMMUNOLOGY studies and cancer research. BALB C Mice, Inbred,BALB C Mouse, Inbred,Inbred BALB C Mice,Inbred BALB C Mouse,Mice, BALB C,Mouse, BALB C,Mouse, Inbred BALB C,BALB C Mice,BALB C Mouse
D009757 Nylons Polymers where the main polymer chain comprises recurring amide groups. These compounds are generally formed from combinations of diamines, diacids, and amino acids and yield fibers, sheeting, or extruded forms used in textiles, gels, filters, sutures, contact lenses, and other biomaterials. Polyamides,Dermalon,Ethilon,Nylon,Polyamide,Supramid,Dermalons,Ethilons,Supramids
D002448 Cell Adhesion Adherence of cells to surfaces or to other cells. Adhesion, Cell,Adhesions, Cell,Cell Adhesions
D002469 Cell Separation Techniques for separating distinct populations of cells. Cell Isolation,Cell Segregation,Isolation, Cell,Cell Isolations,Cell Segregations,Cell Separations,Isolations, Cell,Segregation, Cell,Segregations, Cell,Separation, Cell,Separations, Cell
D003362 Cost-Benefit Analysis A method of comparing the cost of a program with its expected benefits in dollars (or other currency). The benefit-to-cost ratio is a measure of total return expected per unit of money spent. This analysis generally excludes consideration of factors that are not measured ultimately in economic terms. In contrast a cost effectiveness in general compares cost with qualitative outcomes. Cost and Benefit,Cost-Benefit Data,Benefits and Costs,Cost Benefit,Cost Benefit Analysis,Cost-Utility Analysis,Costs and Benefits,Economic Evaluation,Marginal Analysis,Analyses, Cost Benefit,Analysis, Cost Benefit,Analysis, Cost-Benefit,Analysis, Cost-Utility,Analysis, Marginal,Benefit and Cost,Cost Benefit Analyses,Cost Benefit Data,Cost Utility Analysis,Cost-Benefit Analyses,Cost-Utility Analyses,Data, Cost-Benefit,Economic Evaluations,Evaluation, Economic,Marginal Analyses
D005260 Female Females
D005434 Flow Cytometry Technique using an instrument system for making, processing, and displaying one or more measurements on individual cells obtained from a cell suspension. Cells are usually stained with one or more fluorescent dyes specific to cell components of interest, e.g., DNA, and fluorescence of each cell is measured as it rapidly transverses the excitation beam (laser or mercury arc lamp). Fluorescence provides a quantitative measure of various biochemical and biophysical properties of the cell, as well as a basis for cell sorting. Other measurable optical parameters include light absorption and light scattering, the latter being applicable to the measurement of cell size, shape, density, granularity, and stain uptake. Cytofluorometry, Flow,Cytometry, Flow,Flow Microfluorimetry,Fluorescence-Activated Cell Sorting,Microfluorometry, Flow,Cell Sorting, Fluorescence-Activated,Cell Sortings, Fluorescence-Activated,Cytofluorometries, Flow,Cytometries, Flow,Flow Cytofluorometries,Flow Cytofluorometry,Flow Cytometries,Flow Microfluorometries,Flow Microfluorometry,Fluorescence Activated Cell Sorting,Fluorescence-Activated Cell Sortings,Microfluorimetry, Flow,Microfluorometries, Flow,Sorting, Fluorescence-Activated Cell,Sortings, Fluorescence-Activated Cell
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000906 Antibodies Immunoglobulin molecules having a specific amino acid sequence by virtue of which they interact only with the ANTIGEN (or a very similar shape) that induced their synthesis in cells of the lymphoid series (especially PLASMA CELLS).
D013154 Spleen An encapsulated lymphatic organ through which venous blood filters.

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