High density lipoprotein-reactive peptides

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 14/47 (2006.01) A61K 38/00 (2006.01) A61P 3/06 (2006.01) A61P 9/10 (2006.01) C07K 7/04 (2006.01) C07K 14/705 (2006.01) C07K 14/775 (2006.01)

Patent

CA 2446720

A high density lipoprotein-reactive peptide or a foam cell-reactive peptide as set forth in the following (a) or (b): (a) a peptide comprising the amino acid sequence represented by SEQ ID NO:1; and (b) a peptide comprising an amino acid sequence derived from the amino acid sequence as specified in the above (a) by substitution, deletion addition or insertion of one or more amino acid residues and being capable of specifically binding to high density lipoprotein cholesterol or withdrawing cholesterol from foam cells. Thus, peptides having novel amino acid sequences and being capable of specifically binding to HDL cholesterol or withdrawing cholesterol from foam cells are provided. These peptides are useful as drugs for various diseases caused by arteriosclerosis, lipid metabolic errors and peripheral cholesterosis.

L'invention concerne un peptide réactif à la lipoprotéine de haute densité ou un peptide réactif aux cellules spumeuses tel que présenté dans les parties suivantes (a) ou (b) : (a) un peptide comprenant la séquence d'acides aminés représentée par SEQ ID NO :1 ; et (b) un peptide contenant une séquence d'acides aminés dérivée de la séquence d'acides aminés telle que spécifiée dans (a) par substitution, délétion, addition ou insertion d'un ou de plusieurs restes d'acides aminés et pouvant se fixer spécifiquement au cholestérol à lipoprotéine de haute densité ou d'extraire du cholestérol de cellules spumeuses. Ainsi l'on obtient des peptides ayant les nouvelles séquences d'acides aminés et lesquels sont capables de se fixer spécifiquement au cholestérol ADL ou d'extraire du cholestérol de cellules spumeuses. Ces peptides sont utiles en tant que médicaments contre diverses maladies provoquées par l'artériosclérose, les erreurs métaboliques lipidiques et la choléstérolose périphérique.

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