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Anti-CD3-associated TCR [WT31] monoclonal antibody

Invented by Johan van der Vlag
Invented at Radboud UMC

Info

Catalogue Number 160532
Applications WB
Antigen/Gene or Protein Targets human thymocytes
Reactivity Human
Relevance T cells are a type of immune cell, originating from hematopoietic stem cells, which are found in the bone marrow; however, the T cell matures in the thymus gland (hence the name) and plays a central role in the immune response. T cells can be distinguished from other lymphocytes by the presence of a T-cell receptor on the cell surface.
Host Mouse
Immunogen human thymocytes
Subclass IgG1
Myeloma Used Sp2/0-Ag14
Strain Balb/c
Notes From Spits et al Journal of Immunology (Baltimore, Md. : 1950), 01 Sep 1985, 135(3):1922-1928
"Functional studies showed that WT-31 reacts similar to anti-T3 antibodies. It is mitogenic for resting T cells, blocks cytolysis mediated by alloantigenspecific CTL clones, and induces antigen-nonspecific cytolysis by CTL clones against Daudi target cells. WT-31 did not inhibit the formation of conjugates, but it blocked cytolysis just before or during the Ca*++-dependent programming for lysis. We conclude that WT-31 is an antibody that recognizes a common determinant on the T cell receptor for antigen. The present results support the notion that the two chains of the T cell receptor A) and B) form a functional protein ensemble with the three invariable T3 polypeptide chains.
The T cell receptor epitope recognized by WT-31 is located close to the epitopes recognized by the anti-T3 reagents anti-Leu-4 and SPV-T3b but distal from the clonotypic T40/25 epitope.
Functional studies showed that WT-31 reacts similar to anti-T3 antibodies. It is mitogenic for resting T cells, blocks cytolysis mediated by alloantigenspecific CTL clones, and induces antigen-nonspecific cytolysis by CTL clones against Daudi target cells. WT-31 did not inhibit the formation of conjugates, but it blocked cytolysis just before or during the Ca*++-dependent programming for lysis."
Research Area Cancer, Immunology

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Inventor Information

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Johan van der Vlag

Johan van der Vlag

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