RECOMBINANT PLASMID DNA pCLm4/hygro-14D5 CODING POLYPEPTIDE WITH LIGHT CHAIN PROPERTIES OF CHIMERIC ANTIBODY TO TICK-BORNE ENCEPHALITIS VIRUS, AND RECOMBINANT PLASMID DNA pCHm2-14D5 CODING POLYPEPTIDE WITH HEAVY CHAIN PROPERTIES OF CHIMERIC ANTIBODY TO TICK-BORNE ENCEPHALITIS VIRUS, CHIMERIC ANTIBODY PROVIDING ACUTE PREVENTION OF TICK-BORNE ENCEPHALITIS IN MICE Russian patent published in 2015 - IPC C12N15/63 C07K16/08 

Abstract RU 2550252 C1

FIELD: medicine, pharmaceutics.

SUBSTANCE: group of inventions refers to biotechnology, gene and protein engineering. There are engineered plasmids pCLm4/hygro-14D5 and pCHm2-14D5. The plasmids provide the synthesis in eukaryotic cells of polypeptides with light and heavy chain properties of a chimeric antibody, which are combined into the chimeric antibody ch14D5 class IgG1/kappa. The producing chimeric antibody ch14D5 recovered from the culture fluid of CHO-K1 cells transfected by plasmids pCLm4/hygro-14D5 and pCHm2-14D5 having a molecular weight of about 150 kDa. The antibody consists of two identical light chains, a constant portion of which corresponds to human kappa antibodies, and two identical heavy chains, a constant portion of which corresponds to human IgGI antibodies; having an amino acid sequence SEQ ID NO: 1 and SEQ ID NO: 2.

EFFECT: antibody is targeted to tick-borne encephalitis and provides the acute prevention of mice against tick-borne encephalitis.

3 cl, 7 dwg, 8 ex

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Authors

Tikunova Nina Viktorovna

Bajkov Ivan Konstantinovich

Matveev Andrej Leonidovich

Babkina Irina Nikolaevna

Matveev Leonid Ehduardovich

Rikhter Vladimir Aleksandrovich

Dates

2015-05-10Published

2013-11-15Filed