Enhanced expression of human or humanized immunoglobulin in non-human transgenic animals
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United States of America Patent
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app pub date -
Aug 27, 2007
filing date -
Sep 1, 2006
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Abandoned
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Abstract
The present invention describes transgenic animals with human(ized) immunoglobulin loci and transgenes encoding human(ized) Igα and/or Igβ sequences. Of particular interest are animals with transgenic heavy and light chain immunoglobulin loci capable of producing a diversified human(ized) antibody repertoire that have their endogenous production of Ig and/or endogenous Igα and/or Igβ sequences suppressed. Simultaneous expression of human(ized) immunoglobulin and human(ized) Igα and/or Igβ results in normal B-cell development, affinity maturation and efficient expression of human(ized) antibodies.
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International Classification(s)
- A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
- C07H:SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTI....
- C12P:FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESI....
- C12N:MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF
- A01K:ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; ....
- A61P:THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDI....
- C07K:PEPTIDES
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