Humanized milk

A - Human Necessities – 23 – C

Patent

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Details

A23C 9/00 (2006.01) A01K 67/027 (2006.01) A23C 9/20 (2006.01) C12N 9/10 (2006.01) C12N 15/85 (2006.01)

Patent

CA 2184687

The invention relates to humanized milk. The milk is produced by a non-human transgenic mammal wherein the genome of said transgenic non-human mammal contains at least one heterologous gene encoding for a human catalytic entity and wherein the catalytic entity produces oligosaccharides and glycoconjugates that are present in the milk of said transgenic non-human mammal. An especially useful catalytic entity is human glycosyltransferases which produce oligosaccharides and glycoconjugates. A method of obtaining humanized milk is disclosed. The method comprises the steps of (a) inserting into the genome of a non-human mammal a heterologous gene encoding the production of a human catalytic entity wherein said catalytic entity produces a secondary gene product in the milk of said non-human mammal; and (b) milking said non-human mammal. The humanized milk may be used in the preparation of an enteral nutritional product useful in the nutritive maintenance of an animal.

L'invention concerne du lait humanisé. Le lait est produit par un mammifère transgénique non humain, le génome de ce dernier contenant au moins un gène hétérologue codant pour une entité catalytique humaine, laquelle produit les oligosaccharides et les glycoconjugués présents dans le lait dudit mammifère. L'entité catalytique particulièrement utile est constituée de glycosyltransférases humaines produisant des oligosaccharides et des glycoconjugués. L'invention concerne également un procédé de production de lait humanisé qui consiste à: (a) introduire dans le génome d'un mammifère non humain un gène hétérologue codant la production d'une entité catalytique humaine, laquelle engendre un produit génique secondaire dans le lait dudit mammifère non humain; et (b) à traire ledit mammifère non humain. Ce lait humanisé peut être utilisé dans la préparation d'un produit nutritif entéral utile dans l'alimentation d'un animal.

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