FIELD: biotechnologies.
SUBSTANCE: chimeric monoclonal antibody is described, which specifically connects to human erythropoietin, characterised by the following criteria: a) Kd=2.4×10-9 M, isoelectric point in the range pH 7.5-8.0; b) sequence of the heavy chain SEQ ID NO:12; c) sequence of the light chain SEQ ID NO:14. A mouse hybridome strain is proposed, which is a producent of a monoclonal antibody to human erythropoietin, deposited in the Russian Academy of Agricultural Sciences, Specialised Collection of Cell Cultures of Farm and Game Animals under the No.84. Also a mouse anticlonal antibody is described, which specifically connects to human erythropoietin, produced by the specified hybridome and characterised by the following criteria: a) Kd=0.95×10-9 M, molecular weight = 160 kD, isopoint in the range pH 6.8-7.1; b) sequence of variable area of light chain SEQ ID NO:1; c) sequence of variable area of heavy chain SEQ ID NO:2; d) sequence of areas that define antibody complementarity: CDRH-1 - SEQ ID NO:5, CDRH-2 - SEQ ID NO:6, CDRH-3 - SEQ ID NO:7, CDRL-1 - SEQ ID NO:8, CDRL-2 - SEQ ID NO:9, CDRL-3 - SEQ ID NO:10.
EFFECT: invention makes it possible to expand arsenal of mouse antibodies against human erythropoietin.
3 cl, 3 dwg, 5 ex, 2 tbl
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Authors
Dates
2014-04-20—Published
2012-12-14—Filed