Isolation of lymphocytes from clotted blood. 1987

S D Niku, and D S Hoon, and A J Cochran, and D L Morton
Division of Surgical Oncology, UCLA School of Medicine 90024.

A problem often faced in clinical cell-mediated immunology research is to obtain peripheral blood lymphocytes (PBLs) in sufficient numbers to carry out cellular immune assays. Obtaining sufficient amounts of blood for serum is usually more practical than for PBLs. Blood is usually drawn easily for serum, but obtaining PBLs from clotted blood has not been very practical. In this report we describe a procedure whereby PBLs can be recovered from clotted blood and used in functional immune assays. Using the enzyme streptokinase (SK) blood clots were dissolved and viable PBLs recovered up to 24 h post clotting. Concentrations of SK from 250 to 500 SK U/ml gave maximum recovery of PBLs.

UI MeSH Term Description Entries
D007963 Leukocytes, Mononuclear Mature LYMPHOCYTES and MONOCYTES transported by the blood to the body's extravascular space. They are morphologically distinguishable from mature granulocytic leukocytes by their large, non-lobed nuclei and lack of coarse, heavily stained cytoplasmic granules. Mononuclear Leukocyte,Mononuclear Leukocytes,PBMC Peripheral Blood Mononuclear Cells,Peripheral Blood Human Mononuclear Cells,Peripheral Blood Mononuclear Cell,Peripheral Blood Mononuclear Cells,Leukocyte, Mononuclear
D008214 Lymphocytes White blood cells formed in the body's lymphoid tissue. The nucleus is round or ovoid with coarse, irregularly clumped chromatin while the cytoplasm is typically pale blue with azurophilic (if any) granules. Most lymphocytes can be classified as either T or B (with subpopulations of each), or NATURAL KILLER CELLS. Lymphoid Cells,Cell, Lymphoid,Cells, Lymphoid,Lymphocyte,Lymphoid Cell
D001777 Blood Coagulation The process of the interaction of BLOOD COAGULATION FACTORS that results in an insoluble FIBRIN clot. Blood Clotting,Coagulation, Blood,Blood Clottings,Clotting, Blood
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
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013300 Streptokinase Streptococcal fibrinolysin . An enzyme produced by hemolytic streptococci. It hydrolyzes amide linkages and serves as an activator of plasminogen. It is used in thrombolytic therapy and is used also in mixtures with streptodornase (STREPTODORNASE AND STREPTOKINASE). EC 3.4.-. Avelizin,Awelysin,Celiase,Distreptase,Kabikinase,Kabivitrum,Streptase,Streptodecase
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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