The present invention concerns methods and means to produce humanized antibodies from transgenic non-human animals. The invention specifically relates to novel immunoglobulin heavy and light chain constructs, recombination and transgenic vectors useful in making transgenic non-human animals expressing humanized antibodies, transgenic animals, and humanized immunoglobulin preparations.

 
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< Apolipoprotein L-I and/or derivated polypeptide for the treatment of and/or the prevention of diseases induced by trypanosoma

> Nonnatural galactomannans and methods of use

> Stable pharmaceutical composition granulocyte-colony stimulating factor
~ 00543