STRAIN OF MAMMALIAN HYBRID CELL C3/S-3E5 OF MUS MUSCULUS L. PRODUCING MONOCLONAL ANTIBODY TO BERNET'S COXIELLAS
FIELD: biology, hybridoma technology. ^ SUBSTANCE: invention represents a new strain of mammalian hybrid cells C3/S-3E5 of Mus musculus L. producing monoclonal antibodies (MCAb) to Bernet's coxiellas (strain "Grita") in cell cultures and abdominal cavity of syngenic animals. Hybridoma...
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Zusammenfassung: | FIELD: biology, hybridoma technology. ^ SUBSTANCE: invention represents a new strain of mammalian hybrid cells C3/S-3E5 of Mus musculus L. producing monoclonal antibodies (MCAb) to Bernet's coxiellas (strain "Grita") in cell cultures and abdominal cavity of syngenic animals. Hybridoma C3/S-3E5 producing MCAb to this pathogen is obtained by fusion of murine myeloma of strain Sp-2/0 and murine splenocytes of strain BALB/c immunized with the concentrated and purified Bernet's coxiella preparation (strain "Grita) inactivated with formalin using polyethylene glycol of molecular mass 1000 Da as a fusing agent and the following cloning by method of maximal dilutions. Specificity of prepared MCAb: absence of cross-reactions in IFA with Provacheck's rickettsia antigen and with the non-infected accumulation substrate. Using prepared MCAb it is possible to carry out specific detection of Bernet's coxiellas by method IFA (direct and indirect variants). IFA sensitivity based on these MCAb is 2.0 x 103 ID50 x cm-3 for white rats. Applying the present invention allows detecting and identifying pathogens of rickettsial etiology. ^ EFFECT: improved method preparing, valuable properties of strain. ^ 3 tbl, 1 dwg, 1 ex |
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