Method and composition for isolating white cell elements

Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Blood proteins or globulins – e.g. – proteoglycans – platelet...

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424 858, 424101, 514 2, 4352401, 4352402, 43524021, 436 63, 436171, 436514, 436518, 436821, 436824, G01N 3348, G01N 118, G01N 33559, G01N 3353

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047974753

ABSTRACT:
A composition of matter and method for using the composition of matter to isolate various cell elements from a heterogeneous cell suspension in a simple one step procedure. The composition is a monoclonal antibody mixture including complement and a non-toxic density gradient media. The composition provides a negative selection technique in which undesired subpopulation cells are lysed and separated from the desired cell subpopulation. The invention has particular application to isolation of white cell elements.

REFERENCES:
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patent: 4361549 (1982-11-01), Kung et al.
patent: 4361550 (1982-11-01), Kung
Grumet et al. Human Immunology vol. 6 pp. 63-73 1983 "A Simplified New Method for HLA-DR Typing Using the TMI Monoclonal antibody".
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Morgan et al. Blood vol. 18 1961 pp. 89-94 "Separation of Platlets from Whole Blood by the Use of Silicone Fluids". Discussion
Pollack et al. Clin Immunol Immunopathol vol. 24(1) 1982 pp. 15-25 "The Functional Study of DR Positive Human Epidermal Langerhans Cells . . . ".
Lundak et al. J. Immunol Methods vol. 28(3-4) 1979 pp. 277-242 "Separation of Functional Subpopulations of Minke and Lymphoid cells . . . ".
Biological Abstracts, vol. 68, No. 7, 1979, p. 4138, abstract No. 41418, Philadelphia, PA, U.S.; J. W. Chiad et al.: "Isolation of Human T Lymphocytes by a Negative Selection Procedure", & Immunol. Commun. 8(1): 49-54, 1979 * Abstract *.
Tissue Antigens, vol. 16, 1980, pp. 317-325, Munksgaard, Copenhagen, DK; T. A. De Kretser et al.: "The Separation of Cell Populations Using Monoclonal Antibodies Attached to Sepharose" p. 317, Abstract; p. 324, Last Paragraph of "Discussion"*.
Biological Abstracts, vol. 61, 1st Feb. 1976, p. 1491, Abstract No. 14367, Philadelphia, PA, U.S.; V. Ghetie et al.: "Cell Separation by Staphylococcal Protein A-Coated Erythrocytes" & Scand. J. Immunol. 4(5/6): 471:477, 1975 * Abstract *.
Chemical Abstracts, vol. 69, No. 9, 26th Aug. 1968, p. 3120, Abstract No. 33491p, Columbus, Ohio, U.S.; H. Pertoft et al.: "Separation of Various Blood Cells in Colloidal Stlicapoly(vinyl-pyrrolidinone) Gradients", & EXP. Cell Res. 1968, 50(2), 355-368 * Abstract *.

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