Abstract: New conformational antibodies are directed against HCV and more particularly to monoclonal antibodies. Described compositions of particles are liable to be recognized by the antibodies, as are pharmaceutical compositions containing them. Also described are HCV enveloped subviral particles or purified HCV enveloped complete viral particles, and the processes for preparing them.

Abstract: The invention relates to novel peptide compositions. In particular, the invention relates to a peptide composition comprising at least two peptides which are selected from among the following peptides: a peptide A having at least the amino acid sequence of SEQ ID NO 1, a peptide B having at least the amino acid sequence of SEQ ID NO 45, a peptide C having at least the amino acid sequence of SEQ ID NO 127, and a peptide D having at least the amino acid sequence of SEQ ID NO 174. The inventive compositions can be used, in particular, in the preparation of active pharmaceutical compositions against the hepatitis C virus.

Abstract: The present invention relates to a purified soluble HLA-E molecule, characterized in that: it is a monomeric protein, it presents a sequence identity of at least 80% with membrane-bound HLA-E (SEQ ID NO: 1), it has a molecular weight from about 36 kDa to about 42 kDa, it binds to the CD94/NKG2A receptor.

Abstract: A method is disclosed of determining the presence of catalytic anti-Factor VIII allo-antibodies capable of degrading Factor VIII in a mammal, and of characterising the cleavage sites in said Factor VIII molecule by said catalytic anti-Factor VIII allo-antibodies. It also relates to an anti-Factor VIII allo-antibody-catalysed Factor VIII degradation inhibitor; and to a pharmaceutical composition comprising said catalytic anti-Factor VIII allo-antibodies which are capable of degrading Factor VIII and which originate from said method of determination; and further to a pharmaceutical composition comprising said anti-Factor VIII allo-antibody-catalysed Factor VIII degradation inhibitor.

Abstract: The present invention relates to the use of a protein characterized in that it comprises or is constituted by the NOV protein, represented by the sequence SEQ ID NO: 2, or a fragment of this protein, providing that this fragment exhibits an angiogenesis-inhibiting activity, or any sequence derived from the sequence SEQ ID NO: 2 or from a fragment defined above, providing that this derived sequence exhibits an angiogenesis-inhibiting activity, or any sequence homologous to the sequence SEQ ID NO: 2 or to a fragment defined above, providing that this homologous sequence exhibits an angiogenesis-inhibiting activity, for the preparation of a medicament intended for the treatment of pathologies requiring the inhibition of endothelial proliferation or of pathologies requiring the inhibition of endothelial activation.

Abstract: An in vitro method for the obtention of a food- or auto-antigen specific Tr1 cell population from a leukocyte or a PBMC population, includes stimulating the PBMC or leukocyte population with the food- or auto-antigen, and recovering the food- or auto-antigen specific Tr1 cell population from the stimulated cell population. Preferably, the PBMC or leukocyte population is re-stimulated at least once with the same antigen after step (1), in the presence of IL-2 and at least one interleukin selected from the group consisting of IL-4 and IL-13. The in vitro method may further include a third step of expanding the recovered antigen-specific Tr1 cell population, advantageously by contacting them with feeder cells capable of expressing factors necessary for the expansion. Preferably, the feeder cells are recombinant insect feeder cells.

Abstract: The invention relates to novel peptide compositions. In particular, the invention relates to a peptide composition comprising at least two peptides which are selected from among the following peptides: a peptide A having at least the amino acid sequence of SEQ ID No1, a peptide B having at least the amino acid sequence of SEQ ID No45, a peptide C having at least the amino acid sequence of SEQ ID No127, and a peptide D having at least the amino acid sequence of SEQ ID No 174. The inventive compositions can be used, in particular, in the preparation of active pharmaceutical compositions against the hepatitis C virus.

Abstract: The invention concerns a mixture of peptides derived from the E6 and/or E7 proteins of a papillomavirus involved in cervix of uterus cancer, such as HPV16, HPV18, HPV30, HPV31, HPV32, HPV33, HPV34, HPV35, HPV39, HPV40, HPV42, HPV43, HPV44, HPV45, HPV51, HPV52, HPV56, HPV57, and HPV58, for example, as well as its uses as medicine (in immunogenic compositions, capable of stimulating the production of anti-HPV T CD4+ lymphocytes in vivo and hence useful for vaccination against uterine of uterus cancer and in other cancers) or as diagnostic reagent of HPV-specific T lymphocytes, in particular for assessing the immune condition of patients. The invention also concerns a mixture of peptides derived from E6 and/or E7 proteins of a papillomavirus involved in benign skin lesions (for example warts), such as HPV10, HPV3 or HPV4 and its uses as medicine.

Abstract: The invention concerns a novel nucleic sequence and deduced protein sequence family with whole or partial human endogenous retroviral motifs. The invention also concerns the detection and/or the use of said nucleic sequences and said corresponding protein sequences or fragments of said sequences, for diagnostic, prophylactic and therapeutic uses, in particular for neuropathological conditions with autoimmune constituent such as multiple sclerosis. Said purified nucleic acid sequences comprise all or part of a sequence coding for a human endogenous retroviral sequence having at least eny-type retroviral motifs, corresponding to the sequence SEQ ID NO: 1 or to a sequence having a homology level with said sequence SEQ ID NO: 1 not less than 80% of more than 190 nucleotides or not less than 70% on more than 600 nucleotides for env-type domains. The invention further concerns the use of the flanking or adjacent sequence of said sequences and controlled by the latter, as diagnostic reagents.

Abstract: The invention relates to the use of 8-hydroxyquinoline 7-carboxylic acid derivatives in order to produce integrase-inhibiting medicaments, capable of blocking viral replication in the stages preceding integration, and if appropriate at the level of this integration stage, these medicaments being usable for the treatment of retroviral pathologies, in particular for the treatment of AIDS.

Abstract: The invention concerns mixed micelles or micro-aggregates for inducing an immune response containing at least a first lipopeptide comprising a CTL epitope and at least a first lipid motif; and a second lipopeptide comprising at least an auxiliary T epitope and at least a lipid motif, whereof the type can be different from the first lipopeptide motif. Said micelles can be used as medicines and vaccines.

Abstract: The invention relates to compositions and methods for interfering with the DNA repair of double strand breaks (DSBs). The invention discloses novel double-stranded nucleic acid molecules that act as baits and hijack the holocomplex of enzymes responsible of DNA DSB sensing, signaling and/or repair pathways, in particular the non homologous end joining (NHEJ) pathway of DSB repair. The invention discloses the use of these molecules as adjuvant compositions to be used in association with a DNA breaking treatment, particularly radiotherapy or chemotherapy, in combination with a pharmaceutically acceptable carrier, in an efficient amount to be introduced in the tumor cell nuclei in order to neutralize transiently their DNA repair capacity and trigger their death.

Abstract: Disclosed are conjugates comprising a dendrimer and a ligand, which is a functionalized congener of an agonist or antagonist of a receptor of the G-protein coupled receptor (GPCR) superfamily, for example, wherein the functionalized congener is an A1 adenosine receptor agonist having a purine nucleoside moiety and a functional group at the N6 position of the purine nucleoside moiety, wherein the functional group has the formula (I): N6H—Ar1—CH2—C(?O)NH—R1 (I), wherein Ar1 and R1 as defined herein. Also disclosed are pharmaceutical compositions, methods of treating various diseases, and a diagnostic method employing such conjugates.

Abstract: The present invention provides a process and kit for isolating cone photoreceptor cells from retinal tissue with a purity level of at least 80%, typically of about 90%. The isolation process uses a PNA-panning procedure conducted on dissociated retinal tissue. The present invention also provides a culture medium enabling the in vitro survival and development of such isolated cone cells. The means of the invention are applicable to adult mammalian cone cells, and more particularly to adult human cone cells. They have the advantage of being applicable to pathologic or otherwise altered cone cells, and thus give access to the screening of compounds capable of showing neuroprotective activity on adult cone cells.

Abstract: The present invention relate for a method for prognosis cancer, in particular metastatic breast cancer comprising doing a dosage of Nectin 4, in a soluble form or in transmembrane form, in a sample, the presence of Nectin 4 being indicative of a cancer.

Abstract: The present invention relates to a method for determining variable response to statin therapy in patients afflicted with or susceptible to develop cardiovascular diseases, hypercholesterolemia, Diabetes and metabolic disorders involving high baseline plasma lipid level such as high LDL-C level, comprising detecting the presence or absence of the Pro 155T hr (C463A) variant in the Organic Anion Transporting Polypeptide-C(OATP-C) gene, wherein the presence of said variant is indicative of superior response to statin therapy. It also concerns tailored treatment of different populations of patients according to the Pro155Thr (C463A) variant genotype.

Abstract: The present invention relates to the identification of an epitope in human Interleukin-15 (IL-15) that is responsible for binding to the interleukin-15 receptor ?-chain. Two IL-15 regions are involved in the formation of this epitope: the first region (44LLELQVISL52, peptide 1) corresponds to a sequence located in the B helix and the second (64ENLIL68, peptide 2 or 64ENLIIL69, peptide 2a) to a sequence located in helix C. Muteins displaying agonist or antagonist properties are described, and may be useful as therapeutic agents.

Abstract: Polyepitopic peptides of E6 and E7 proteins of Human Papillomavirus, their production, and methods of treating pathologies in which a polyepitopic peptide of the E6 and E7 protein of Human Papillomavirus is recognized by the cellular immune system.

Abstract: The present invention relates to polypeptides that inhibit the NF-&kgr; B signaling pathway and polynucleotides encoding the same. The present invention further provides methods for the modulation of and/or treatment of inflammatory responses, oncogenesis, viral infection; the regulation of cell proliferation and apoptosis; and regulation of B or T lymphocytes in antigenic stimulation, by administering the polypeptides of the present invention to a subject in need thereof. Finally, the present invention provides a method of identifying polypeptides that modulate oligomerization of NEMO.

Abstract: The invention relates to a method for preparing antigen-specific Tr1 regulatory lymphocytes. The inventive method involves the use of artificial antigen-presenting cells, expressing a molecule from the HLA class II system and a human LFA-3 molecule and expressing none of the B7-1, B7-2, B7-H1, CD40, CD23 or ICAM-1 costimulation molecules.