Monoclonal antibodies to human tumor necrosis factor alpha: in vitro and in vivo application. 1990

A Möller, and F Emling, and D Blohm, and E Schlick, and K Schollmeier
BASF Bioresearch Corp., Cambridge, MA.

Three stable murine hybridoma cell lines, which secrete monoclonal antibodies (mAb) to human tumor necrosis factor alpha (TNF alpha), were established. None of the monoclonal antibodies cross-reacted with lymphotoxin, interleukin 2 (IL 2) or Interferon gamma (IFN gamma). The highly species-specific monoclonal antibody, designated as mAb 195, neutralizes the cytotoxic activity of human and chimpanzee TNF alpha. This antibody was further used during in vivo studies to neutralize human TNF alpha in a murine animal model. The mAb 114 is a weakly neutralizing antibody that binds to a different epitope of TNF alpha than mAb 195. mAb 114 shows a wide range of cross-reactivity with TNF alpha of the following species: dog, pig, cynomolgus, rhesus, baboon and chimpanzee. The mAb 199 binds to human TNF alpha, but does not neutralize the cytotoxic activity. The epitope recognized by this mAb is in close proximity to mAb 114. A reproducible, sensitive immunoassay for human TNF7 alpha has been developed using the antibodies mAb 199 and mAb 195. The test is performed within 6 hr and detects TNF7 alpha in serum samples, with a limit of detection of 5 to 10 pg/mL.

UI MeSH Term Description Entries
D003429 Cross Reactions Serological reactions in which an antiserum against one antigen reacts with a non-identical but closely related antigen. Cross Reaction,Reaction, Cross,Reactions, Cross
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
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
D000915 Antibody Affinity A measure of the binding strength between antibody and a simple hapten or antigen determinant. It depends on the closeness of stereochemical fit between antibody combining sites and antigen determinants, on the size of the area of contact between them, and on the distribution of charged and hydrophobic groups. It includes the concept of "avidity," which refers to the strength of the antigen-antibody bond after formation of reversible complexes. Affinity, Antibody,Antibody Avidity,Avidity, Antibody,Affinities, Antibody,Antibody Affinities,Antibody Avidities,Avidities, Antibody
D000937 Antigen-Antibody Reactions The processes triggered by interactions of ANTIBODIES with their ANTIGENS. Antigen Antibody Reactions,Antigen-Antibody Reaction,Reaction, Antigen-Antibody,Reactions, Antigen-Antibody
D000939 Epitopes Sites on an antigen that interact with specific antibodies. Antigenic Determinant,Antigenic Determinants,Antigenic Specificity,Epitope,Determinant, Antigenic,Determinants, Antigenic,Specificity, Antigenic
D013045 Species Specificity The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species. Species Specificities,Specificities, Species,Specificity, Species
D014409 Tumor Necrosis Factor-alpha Serum glycoprotein produced by activated MACROPHAGES and other mammalian MONONUCLEAR LEUKOCYTES. It has necrotizing activity against tumor cell lines and increases ability to reject tumor transplants. Also known as TNF-alpha, it is only 30% homologous to TNF-beta (LYMPHOTOXIN), but they share TNF RECEPTORS. Cachectin,TNF-alpha,Tumor Necrosis Factor Ligand Superfamily Member 2,Cachectin-Tumor Necrosis Factor,TNF Superfamily, Member 2,TNFalpha,Tumor Necrosis Factor,Cachectin Tumor Necrosis Factor,Tumor Necrosis Factor alpha
D015153 Blotting, Western Identification of proteins or peptides that have been electrophoretically separated by blot transferring from the electrophoresis gel to strips of nitrocellulose paper, followed by labeling with antibody probes. Immunoblotting, Western,Western Blotting,Western Immunoblotting,Blot, Western,Immunoblot, Western,Western Blot,Western Immunoblot,Blots, Western,Blottings, Western,Immunoblots, Western,Immunoblottings, Western,Western Blots,Western Blottings,Western Immunoblots,Western Immunoblottings

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