Compositions and methods for detecting and modulating cell...

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/82 (2006.01) A01H 5/00 (2006.01)

Patent

CA 2735575

The technology relates to a nucleic acid expression cassette comprising a TR element encoding an mRNA molecule that is translated in stressed and/or dying cells, and a nucleotide sequence operably linked to the TR element, that is a first open reading frame (ORF) sequence and encodes a polypeptide or a fragment thereof and is co-translated with the TR element. The technology further relates to mammalian cells and a transgenic animal comprising such expression cassette. Further included are kits comprising the expression cassette, and methods for determining toxicity, and killing a target cell

Cette technologie se rapporte à une cassette d'expression d'acides nucléiques comprenant un élément TR codant une molécule d'ARNm qui est traduite dans des cellules sous contrainte et/ou mourantes, et une séquence nucléotidique liée de manière fonctionnelle à l'élément TR, qui est une première séquence de cadre ouvert de lecture et qui code un polypeptide ou son fragment et qui est co-traduite avec l'élément TR. La technologie concerne par ailleurs des cellules mammifères et un animal transgénique comprenant cette cassette d'expression. Par ailleurs, l'invention concerne des kits comprenant la cassette d'expression, et des procédés permettant de déterminer la toxicité et de détruire une cellule cible.

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