Chiron Corporation

Novo Nordisk A/s

Nordisk Gentofte

Jennifer M Favaloro

George Kuo

Pablo D Valenzuela

Frank R Masiarz

Mirella Ezban Rasmussen

Martha Truett

Rae Lyn Burke

Carol A Pachl

Daniel Caput

Methods and compositions are provided for recombinant DNA production of Factor VIIIC and truncated derivatives thereof. Based on amino acid sequences, probes are developed for isolating messenger RNA and/or chromosomal DNA encoding for Factor VIIIC. The Factor VIIIC gene in its entirety or encoding for a fragment thereof is then used for expression of Factor VIIIC in a host. The bacteriophage .lambda.FVIII23D containing the 14.43 kb EcoRI fragment was deposited at the A.T.C.C. on Jan. 4, 1984 and given Accession No. 40094.

Method and composition for preparation of factor VIIIC

Methods and compositions are provided for recombinant DNA production of Factor VIIIC and truncated derivatives thereof. Based on amino acid sequences, probes are developed for isolating messenger RNA, cDNA and/or chromosomal DNA encoding for Factor VIIIC. The Factor VIIIC gene in its entirety, a fragment thereof, or a cDNA is then used for expression of Factor VIIIC in a host. The bacteriophage .lambda.FVIII23D containing the 14.43kb EcoRI fragment was deposited at the A.T.C.C. on Jan. 4, 1984 and given Accession No. 40094. Also, the vector pSVF8-200 was deposited at the A.T.C.C. on July 17, 1985 and given Accession No. 40190.

Factor VIII:C cDNA cloning and expression

Hybridomas producing monoclonal antibodies specific for polypeptide fragments derived from human Factor VIIIC are provided. Class I hybridomas produce monoclonal antibodies reactive with a 80/77 kd doublet fragment or with both the 80/77 kd doublet and a 240 kd polypeptide. Class III hybridomas produce monoclonal antibodies reactive with the 240 kd polypeptide as well as a 92.5 kd fragment and its precursors. Class III antibodies show additional reactivity with a 40 kd thrombin digestion product. The monoclonal antibodies are useful for the separation of Factor VIIIC and its constituent polypeptides, as well as for the immunoassay of Factor VIIIC in biological samples.

Monoclonal antibodies to factor VIIIC

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Victoria, Australia

Jennifer M Favaloro