Amyloid beta-protein 3(pE)-42 antibodies and uses thereof

Chemistry: molecular biology and microbiology – Animal cell – per se ; composition thereof; process of... – Animal cell – per se – expressing immunoglobulin – antibody – or...

Reexamination Certificate

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C435S346000, C530S388100, C530S387300, C424S141100, C424S133100, C424S134100, C424S135100, C424S139100

Reexamination Certificate

active

07122374

ABSTRACT:
AβN3pE-42is a β amyloid protein that accumulates specifically as a major constituent of senile plaque in the brains of both sporadic and familial Alzheimer's disease patients. The invention provides antibodies that specifically recognize AβN3pE-42and can be expected to have a strong β amyloid-removing action. Particularly, humanized antibodies against AβN3pE-42are useful to treat human neurodegenerative diseases. Further, since AβN3pE-42is localized in the brain, the antibodies of the invention can avoid side effects such as kidney disorders caused by the formation of antigen-antibody complex in the blood. An agent for gene therapy using a vector in which a cDNA encoding a protein comprises the antigen-binding region of the antibody can be an efficient therapeutic drug for removing β amyloid from the brain.

REFERENCES:
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