摘要:
The present invention concerns an universal polypeptidic carrier for targeting directly or indirectly a molecule to Gb3 receptor expressing cells and having the following formula STxB-Z(n)-Cys, wherein: STxB is the Shiga Toxin B subunit or a functional equivalent thereof, Z is an amino-acid devoided of sulfydryl group, n being 0, 1 or a polypeptide, Cys is the amino-acid Cysteine. p
摘要:
A composition that can be used as a vaccine containing means for targeting at least one antigen to dendritic cells and as adjuvants a granulocyte macrophage colony stimulating factor and a CpG oligodeoxynucleotide and/or a CpG-like oligodeoxynucleotide. This composition can used to treat cancers, infectious diseases caused by bacterial, viral, fungal, parasitic or protozoan infections, allergies and/or autoimmune diseases.
摘要:
The present invention concerns an universal polypeptidic carrier for targeting directly or indirectly a molecule to Gb3 receptor expressing cells and having the following formula STxB-Z(n)-Cys, wherein: STxB is the Shiga Toxin B subunit or a functional equivalent thereof, Z is an amino-acid devoided of sulfydryl group, n being 0, 1 or a polypeptide, Cys is the amino-acid Cysteine. p
摘要:
The invention concerns a polypeptide sequence comprising the fragment B of Shiga toxin or a functional equivalent thereof bound at the carboxy-terminal end with one or several polypeptides corresponding to the formula B - X in which B represents the fragment B of the Shiga toxin and X represents one or several polypeptides of therapeutic interest, and its use as active principle in a therapeutic composition.
摘要:
The present invention concerns a new family of 2,3-dihydroquinazolin-4(1 H) -one compounds of general formula (I), and the use thereof as inhibitors of the toxic effects of toxins with intracellular activity, such as ricin or Shiga toxin, for example, using retrograde transport to intoxicate cells.
摘要:
Use of aminoadamantane compound (I) and benzodiazepine compound (II) and their salts for the preparation of a composition for the prevention and/or treatment of poisoning at least one toxin intracellular mode of action or at least a virus using the route of internalization to infect eukaryotic cells of mammals, is claimed. Use of aminoadamantane compound of formula (Cy-(-CH 2-) p-NR 2>-X-R 1>) (I) and benzodiazepine compound of formula (II) and their salts for the preparation of a composition for the prevention and/or treatment of poisoning at least one toxin intracellular mode of action or at least a virus using the route of internalization to infect eukaryotic cells of mammals, is claimed. Cy : benzen-1-yl (optionally substituted by W 1>) or adamantane group of formula (a); W 1>H or halo; Y 1>H or OH; Z : C or bond (when Cy is a noradamantyl core); either X : bond, or 1-6C alkyl (optionally saturated and substituted by phenyl, acid and/or 1-3C alkyl ester), where the chain being optionally interrupted by an oxygen atom, -CO-, -O-CO-, -CO-NH- or -S(=O)(=O)-; and R 1>1-21C cyclic or branched radical, optionally saturated, where one or more carbon atoms can be replaced by an atom of nitrogen, oxygen and/or sulfur (where the radical being optionally mono or bi-substituted with a halo, a function-COOH, -OH,-NO 2, 1-3C alkyl, 1-3C alkoxy or 1-3C acyloxy); and R 2>H, 1-3C alkyl (optionally saturated), 2-4C acyl radical, or 1-bromo-3-methyl-benzene moiety; or NXR 1>R 2>a ring, preferably imidazole, oxazole, triazole, benzimidazole, optionally partially saturated, dihydroimidazole, optionally substituted by a phenyl or pyridine radical; p : 0 or 1; A, B 1>C or N, provided that if A is N, then B 1>is C and if A is C, then B is N; R 3>halo, 1-6C alkyl, 1-6C alkoxy, or 1-6C acyloxy (all optionally substituted by 1-6C alkoxy), H, aryloxy or heteroaryloxy; R 4>bond, H, 1-3C acyloxy radical, 1-3C acyloxy radical, or phenyl; and R 5>H, 1-3C alkyl, 1-3C alkoxy, 1-3C acyloxy or phenyl radical (optionally substituted by OH and/or halo, 1-3C alkyl, 1-3C alkoxy, 1-3C acyloxy, NO 2, -CF 3, or group of formula (CH 3-CH=CH-O)). Provided that: when R 2>is a bond, the nitrogen atom bearing R 2>and X or the adjacent carbon atom (when p is 1) are linked by a double bond; when the Cy is adamantyl core, then the chain (-(-CH 2-) p-NR 2>-X-R 1>) is attached to the position 1 or 2; R 4>and R 5>can not simultaneously be a bond and when R 4>or R 5>is a bond, then A and B 1>are linked by a double bound; and when B 1>is a carbon atom, then R 5>may also form with the adjacent hydrogen atom a cycle containing 5-6 atoms (optionally substituted by a phenyl radical, and optionally interrupted by a nitrogen, oxygen or sulfur atom). Independent claims are included for: (1) the compound (I) (where (I) excludes: N-benzyladamantylamine, N-(3-hydroxybenzyl)adamantylamine, N-(3-methoxybenzyl)adamantylamine, N-(4-nitrobenzyl)adamantylamine, N-((pyridin-4-yl)methyl)adamantylamine, N-phenethyladamantylamine, N-(3-phenylpropyl)adamantylamine, N-benzyl-2-adamantylamine, N-(3-bromobenzyl)-2-methylpropan-2-amine, N-(3-bromobenzyl)cyclohexanamine, N-benzyl(3-bromophenyl)methanamine, N-(3-fluorobenzyl)(3-bromophenyl)methanamine, (E)-N-(3-bromobenzylidene)adamantylamine, (E)-N-(3-fluorobenzylidene)adamantylamine, (E)-N-benzylideneadamantylamine, N-1-adamantylbenzamide, N-2-adamantylbenzamide, N-adamantyl benzenesulfonamide, N-2-adamantyl benzenesulfonamide, 1-(adamantyl)-2,5-dihydrooxazole, adamantylamino-4-phenyl-1H-1,2,3-triazole, or (E)-2-(2-(5-methylthiophen-2-yl)vinyl)-N-phenylbenzamide); and (2) the compound (II) (where (II) excludes: 5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-2-one, 7-bromo-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-2-one, 7-bromo-5-phenyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepin-2-one, 4-phenyl-2,3-dihydro-1H-1,5-benzodiazepin-2-one, 4-phenyl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-one, 4,5-dihydro-7-methoxy-5-phenyl-1H-benzo[e][1,4]diazepin-2(3H)-one, 5-phenyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepin-2-one, 7-chloro-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-2-one, 7-chloro-5-phenyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepin-2-one or 7-bromo-5-phenyl-4-propionyl-4,5-dihydro-1H-benzo[e][1,4]diazepin-2(3H)-one). [Image] [Image] ACTIVITY : Antidote. MECHANISM OF ACTION : None given.
摘要:
The invention relates to new compounds for cancer therapy or diagnosis and more specifically to the use of a non-toxic B subunit of Shiga toxin mutant as a vector for diagnostic products or drugs in over-expressing Gb3 receptor cells, such compounds having the following formula: STxB-Z(n)-Cys-Y(m)- T wherein - STxB is the Shiga Toxin B subunit or a functional equivalent thereof, - Z(n) wehrein n is 0 or 1 and when n is 1, Z is an amino-acid residue devoidof sulfydryl group, or is a polypeptide, - Cys is the amino-acid residue for Cysteine, - T is a molecule linked by a covalent bound to the S part of Cys, selected in a group comprising: . agents for in vivo diagnosis, . cytotoxic agents, . prodrugs, or . enzymes for the conversion of a prodrug to a drug, - Y(m) wherein m is 0 or 1 and when m is 1, Y is a linker between T and Cys, said linker being either cleavable or not cleavable for the release of T after the internalization of the hybrid compound into said cells.