摘要:
The present invention provides peptides which are based on the HIV GP41 protein and have inhibitory activity against the fusion of HIV virus to its target cells. The invention also provides therapeutic methods based on the administration of the peptides of the invention to a subject infected with the HIV virus.
摘要:
The present invention relates to a virosome-like vesicle comprising at least a gp41-derived antigen or an analogue thereof, said gp41-derived antigen being located to the external surface of and/or encapsulated inside said vesicle and being in a convenient configuration for conferring said virosome-like vesicle with an ability to induce an immune response against a gp41 protein of a human immunodeficiency virus (HIV).
摘要:
The present invention deals with a method for therapeutic or prophylactic treatment of HIV, in particular a prophylactic vaccinal method, comprising at least: administering to a patient a first antigen comprising the broadly neutralizing epitopes of the Membrane Proximal Ectodomain Region (MPER) of gp41, and administering to the same patient a second antigen comprising a modified polypeptide comprising three contiguous segments N, L and C represented by the formula N-L-C and comprising : a N-helix region of gp41(N), a C-helix region of gp41(C), and a connecting loop comprising a synthetic linker (L) between the N and C-helices, the linker replacing amino acids 593-617 of gp41, the numbering scheme being based upon the prototypic isolate HIV-1 HxB2 Clade B strain, said polypeptide comprising the calveolin-1 neutralizing and 98.6 D epitopes, but not 2F5 and 4E10 epitopes, not the fusion peptide, the polypeptide having a minimal immunogenic cross-reactivity with human interleukin 2.
摘要:
The present invention deals with a modified polypeptide comprising three contiguous segments N, L and C represented by the formula N-L-C and comprising : a N-helix region of gp41 (N), a C-helix region of gp41 (C), and a connecting loop comprising a synthetic linker (L) between the N and C-helices, the linker replacing amino acids 593- 617 of gp41, the numbering scheme being based upon the prototypic isolate HIV-1 HxB2 Clade B strain, said polypeptide comprising the calveolin-1 neutralizing and 98.6 D epitopes, but not 2F5 and 4E10 epitopes, not the fusion peptide, the polypeptide having a minimal immunogenic cross-reactivity with human interleukin 2 (IL2).
摘要:
The invention relates to a monoclonal antibody or a fragment thereof comprising in the H chain variable region at least one complementarity determining region (CDR) selected among CDR1, CDR2 and CDR3 having, respectively, an amino acids sequence set forth as SEQ ID NO 1, SEQ ID NO 2, SEQ ID NO 3 or functional analogues thereof.
摘要:
The present invention concerns a modified polypeptide containing at least an immunodominant region and the connecting loop between N- and C-helices of gp41 ectodomain of HIV-1, wherein the connecting loop includes at least a linker fragment having: - a size convenient for keeping the native conformation of the interaction between N- and C-helices, and - an hydrophily sufficient to provide a soluble and stable trimeric form to said modified polypeptide.