Preparation and characterization of monoclonal antibodies against ornithine decarboxylase. 1993

R G Schipper, and R G Rutten, and M Sauerbeck, and W J Schielen, and P J Adams, and J Kopitz, and P Bohley, and G I Tesser, and A A Verhofstad
Department of Pathology, University Hospital Nijmegen, Netherlands.

In order to develop a method for the immunocytochemical detection of ornithine decarboxylase (ODC), EC 4.1.1.17, we have prepared and characterized monoclonal antibodies (MAbs) against ODC. The primary structure of rat ODC (Rattus Norvegicus) was used for the selection of an epitope by computer calculations. The epitope (P16), a hexadecapeptide representing ODC-(345-360), was synthesized by means of solid phase peptide synthesis and coupled to a carrier protein. A bovine serum albumin conjugate of the P16 peptide was used as the immunogen for the production of MAbs in mice. Hybridoma clones were screened and the specificity of the monoclonal antibodies was tested in an ELISA utilizing a thyroglobulin conjugate of the hexadecapeptide. Two hybridoma cell lines were developed, i.e., MP16-2 and MP16-3. The epitope specificity of the MAbs produced by these cell lines was characterized in an ELISA using a set of small peptides representing parts of the P16 hexadecapeptide chain. MP16-2 recognized the ODC-(355-360) portion whereas MP16-3 reacted with the ODC-(345-350) part of the hexadecapeptide. Further studies showed that both MAbs also recognized native ODC but not the inhibited (i.e., ODC labelled with 3H-DFMO) enzyme indicating that the selected epitope was associated with the active site of ODC or a locus in its direct vicinity.

UI MeSH Term Description Entries
D008807 Mice, Inbred BALB C An inbred strain of mouse that is widely used in IMMUNOLOGY studies and cancer research. BALB C Mice, Inbred,BALB C Mouse, Inbred,Inbred BALB C Mice,Inbred BALB C Mouse,Mice, BALB C,Mouse, BALB C,Mouse, Inbred BALB C,BALB C Mice,BALB C Mouse
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D009955 Ornithine Decarboxylase A pyridoxal-phosphate protein, believed to be the rate-limiting compound in the biosynthesis of polyamines. It catalyzes the decarboxylation of ornithine to form putrescine, which is then linked to a propylamine moiety of decarboxylated S-adenosylmethionine to form spermidine. Ornithine Carboxy-lyase,Carboxy-lyase, Ornithine,Decarboxylase, Ornithine,Ornithine Carboxy lyase
D010446 Peptide Fragments Partial proteins formed by partial hydrolysis of complete proteins or generated through PROTEIN ENGINEERING techniques. Peptide Fragment,Fragment, Peptide,Fragments, Peptide
D002855 Chromatography, Thin Layer Chromatography on thin layers of adsorbents rather than in columns. The adsorbent can be alumina, silica gel, silicates, charcoals, or cellulose. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Chromatography, Thin-Layer,Thin Layer Chromatography,Chromatographies, Thin Layer,Chromatographies, Thin-Layer,Thin Layer Chromatographies,Thin-Layer Chromatographies,Thin-Layer Chromatography
D005260 Female Females
D000595 Amino Acid Sequence The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION. Protein Structure, Primary,Amino Acid Sequences,Sequence, Amino Acid,Sequences, Amino Acid,Primary Protein Structure,Primary Protein Structures,Protein Structures, Primary,Structure, Primary Protein,Structures, Primary Protein
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000911 Antibodies, Monoclonal Antibodies produced by a single clone of cells. Monoclonal Antibodies,Monoclonal Antibody,Antibody, Monoclonal
D000939 Epitopes Sites on an antigen that interact with specific antibodies. Antigenic Determinant,Antigenic Determinants,Antigenic Specificity,Epitope,Determinant, Antigenic,Determinants, Antigenic,Specificity, Antigenic

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