Compositions and methods for modifying the content of...

C - Chemistry – Metallurgy – 12 – N

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Details

C12N 15/53 (2006.01) A01K 67/00 (2006.01) A61K 48/00 (2006.01) A61P 25/00 (2006.01) A61P 35/00 (2006.01) C12N 9/02 (2006.01)

Patent

CA 2439654

The present invention features compositions (e.g., nucleic acids encoding fat- 1, optionally and operably linked to a constitutively active or tissue- specific promoter or other regulatory sequence and pharmaceutically acceptable formulations including that nucleic acid or biologically active variants thereof) and methods that can be used to effectively modify the content of PUFAs in animal cells (i.e., cells other than those ofC. elegants, for example, mammalian cells such as myocytes, neurons (whether of the periferal or central nervous system), adipocytes, endothelial cells, and cancer cells). The modified cells, whether in vivo or ex vivo (e.g., in tissue culture), transgenic animals containing them, and food products obtained from those animals (e.g., meat or other edible parts of the animals (e.g., liver, kidney, or sweetbreads)) are also within the scope of the present invention.

L'invention concerne des compositions (par exemple des acides nucléiques codant fat-1, facultativement et fonctionnellement liés à un promoteur constitutivement actif ou spécifique de tissu ou à une autre séquence régulatrice et des préparations pharmaceutiquement acceptables contenant cet acide nucléique ou des variants biologiquement actifs de celui-ci) et des procédés pouvant être utilisés pour modifier efficacement le contenu d'acides gras polyinsaturés (PUFA) dans des cellules animales (c'est-à-dire des cellules autres que celles de C. elegans, par exemple des cellules de mammifère, telles que des myocytes, des neurones, soit du système nerveux périphérique soit du système nerveux central, des adipocytes, des cellules endothéliales et des cellule cancéreuses). L'invention concerne également ces cellules modifiées, in vivo comme ex vivo (par exemple en culture tissulaire), des animaux transgéniques les contenant, ainsi que des produits alimentaires obtenus à partir de ces animaux (par exemple de la viande ou d'autres parties comestibles de ces animaux (comme le foie, les reins ou le ris)).

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