New compounds for dna-transfection

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 14/00 (2006.01) A61K 9/127 (2006.01) A61K 47/48 (2006.01) C12N 15/88 (2006.01)

Patent

CA 2327367

The invention relates to conjugates of lipids and basic, modified membrane disturbing peptides, characterized in that the peptides comprises a reversed amide backbone, particularly compounds of formula (I), wherein R1 and R2 are a hydrocarbyl moiety of a straight-chain or branched-chain, saturated or unsaturated aliphatic carboxylic acid or a phospholipid moiety, R3 is a basic, modified membrane disturbing peptide with a reversed amide backbone, Y is C2- 10 alkylene, X is -C(O)-NH- or -S-S-, and salts thereof.

L'invention concerne des conjugués de lipides et de peptides basiques modifiés perturbant la membrane, lesdits conjugués étant caractérisés en ce que les peptides comprennent un squelette amidé inversé. Elle se rapporte en particulier aux composés correspondant à la formule (I) dans laquelle R?1¿ et R?2¿ représentent un groupe fonctionnel hydrocarbyle d'un acide carboxylique saturé ou insaturé à chaîne droite ou ramifiée ou d'un groupe fonctionnel phospholipidique, R?3¿ représentant un peptide basique modifié perturbant la membrane qui possède un squelette amidé inversé, Y représentant alkylène C¿2-10? et X représentant C(O)-NH- ou -S-S-. L'invention se rapporte également aux sels de ces composés.

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