Abstract:
The present invention is directed to a dengue virus chimeric polyepitope composed of fragments of non-structural proteins and its use in an immunogenic composition against dengue virus infection. The present invention provides means, in particular polynucleotides, vectors, cells and methods to produce vectors expressing said chimeric polyepitopes, in particular vectors consisting of recombinant measles virus (MV) particles. The present invention also relates to the use of the recombinant MV particles, in particular under the form of a composition or of a vaccine, for the prevention and/or treatment of a dengue virus infection.
Abstract:
The invention relates to recombinant Measles virus expressing Chikungunya virus polypeptides, and concerns in particular virus like particles (VLP) that contain envelope and capsid proteins of a Chikungunya virus at their surface. These particles are recombinant infectious particles able to replicate in a host after an administration. The invention provides means, in particular nucleic acids, vectors, cells and rescue systems to produce these recombinant infectious particles. The invention also relates to the use of these recombinant infectious particles, in particular under the form of a composition, more particularly in a vaccine formulation, for the treatment or prevention of an infection by Chikungunya virus.
Abstract:
The present invention relates to the development of viral vectors expressing different immunogens from the West Nile Encephalitis Virus (WNV) or the Dengue virus which are able to induce protective humoral and cellular immune responses against WNV or Dengue virus infections. More specifically, the present invention relates to three (3) antigens from WNV (the secreted envelope glycoprotein (E), the heterodimer glycoproteins (pre-M-E) and the NSI protein) and from Dengue virus (the secreted envelope glycoprotein (e), the heterodimer glycoproteins (pre- m-e) and the nsl protein) and their use in vaccinal, therapeutic and diagnostic applications.
Abstract:
The invention relates to a recombinant measles virus expressing a heterologous amino acid sequence derived from an antigen of a determined RNA virus, said recombinant measles virus being capable of eliciting a humoral and/or cellular immune response against measles virus or against said RNA virus or against both measles virus and against said RNA virus. It also relates to the use of said recombinant measles virus for the preparation of immunogenic composition.
Abstract:
The invention provides nucleic acids, polypeptides, and viruses containing nucleic acids and/or polypeptides. The invention also provides methods for using viruses to treat cancer patients. Specifically, the invention provides nucleic acid molecules encoding viral hemagglutinin (H) polypeptides, viral H polypeptides, and viruses containing nucleic acids and/or H polypeptides. Such viruses are useful for treating cancer patients without causing immune suppression.
Abstract:
Engineered fusion proteins comprising a self-excising degron for controlling protein production are disclosed. In particular, the inventors have constructed fusion proteins comprising a degron connected to a protein of interest through a cleavable linker comprising a hepatitis C virus (HCV) protease site. The degron can be removed from the protein of interest by a czs-encoded HCV protease such that the protein of interest can be produced with minimal structural modification. Clinically available HCV protease inhibitors can be used to block protease cleavage such that the degron is retained after inhibitor addition on subsequently synthesized protein copies. The degron when attached causes rapid degradation of the linked protein. Such fusions of a degron to a protein of interest will be especially useful when control over protein production with minimal structural modification is desired.
Abstract:
This invention comprises: compositions comprising a derivative, plasmids, a reagent kit and methods of making these compositions a derivative, vaccine- and non-vacicine-compositions of above for causing death of cancer cells that form part of a tunoour and virus infected Denguue, Measles and other diseased cells; the derivative comprising replicating as well as non-replicating dervivaties of an attenuated negative stranded RNA virus belonging to family paramyxoviridae, including Measles Virus, comprising a single additional transcriptional unit carrying either only one or two or more non-viral genes, and the non-replicating derivatives being free from contaminating replicating Measles Virus (b) a Measles Virus packaging cell line for making above compositions, expressing the M, F and H proteins of MV stably. And (c) a reagent kit for producing the Measles Virus derivatives describved above.
Abstract:
The invention is directed to chimeric measles virus - retrovirus particles, i.e., measles virus (MV) particles expressing the envelope proteins of a retrovirus, or immunogenic regions thereof, at its surface. The present invention provides means, in particular nucleic acids, vectors, cells and rescue systems to produce and to culture these chimeric particles. The invention also relates to the use of these chimeric particles, in particular under the form of a composition or of a vaccine, for the treatment or prevention of retrovirus infection, following induction of cellular and/or humoral immune response(s).
Abstract:
The present invention relates to combined vaccines against measles and human papilloma virus (HPV). In particular, the invention relates to recombinant measles virus vectors containing heterologous nucleic acid encoding single or several antigens derived from HPV, preferably, the major capside antigen L1, the minor capside antigen L2, the early gene E6 and the early gene E7 oncoproteins of HPV type 16, and optionally of types 18, 6 and 11. In a first embodiment, prophylactic vaccines are generated expressing HPV antigens, preferably L1 and/or L2 such that they induce a potent long-lasting immune response in mammals, preferably humans, to protect against HPV and MV infection. In another embodiment, therapeutic vaccines are generated expressing E6 and E7 proteins, and optionally L1 and L2, such that they induced strong immune responses will resolve persistent HPV infections at early or late stages, including HPV-induced cervical carcinoma. In a preferred embodiment, the combined vaccines are easy to produce on a large scale and can be distributed at low cost.