G - Physics – 01 – N
Patent
G - Physics
01
N
167/41, 167/44
G01N 33/577 (2006.01) A61K 47/48 (2006.01) A61K 51/10 (2006.01)
Patent
CA 1306414
ABSTRACT AFFINITY ENHANCEMENT IMMUNOLOGICAL REAGENTS FOR DETECTION AND KILLING OF SPECIFIC TARGET CELLS Immunological reagents, consisting of a) antibody or fragment conjugates having both an anti-cell specificity and an anti-hapten specificity, and b) synthetic tracers containing at least two hapten sites and at least one site suitable to attach radioactive isotopes, paramagnetic ions, drugs or toxins, are provided. These reagents are capable of binding to target cells in a specific way, and the tracer localizes preferentially on the membrane of antigen- bearing cells, even in the presence of excess antibody conjugate (affinity enhancement). These reagents are usefully employed, either in vitro or in vivo, to detect tumors, metastases, or other tissue injuries, when the synthetic tracer carries radioactive or paramagnetic compounds, and to kill target cells when the synthetic tracer carries radioactive compounds or drugs or toxins.
547184
Barbet Jacques
Delaage Michel
Le Doussal Jean-Marc
Immunotech Partners
Riches Mckenzie & Herbert Llp
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