Hemoglobin receptors from neisseriae

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/31 (2006.01) A61K 31/70 (2006.01) A61K 39/095 (2006.01) A61K 39/40 (2006.01) A61K 48/00 (2006.01) C07K 14/22 (2006.01) C07K 16/12 (2006.01) C12N 5/18 (2006.01) C12Q 1/04 (2006.01) C12Q 1/68 (2006.01) G01N 33/569 (2006.01) A61K 38/00 (2006.01) A61K 39/00 (2006.01)

Patent

CA 2203116

The present invention relates to novel bacterial hemoglobin receptor proteins and genes that encode such proteins. The invention is directed toward the isolation, characterization, diagnostic and therapeutic use of bacterial hemoglobin receptor proteins, nucleic acids encoding such proteins, recombinant expression constructs comprising such nucleic acids and cells transformed therewith, and antibodies and epitopes of such hemoglobin receptor proteins.The invention relates particularly to hemoglobin receptor proteins and genes encoding such proteins from Neisseria species, especially N. meningitidis and serotypes thereof, and N. gonorrhoeae. Methods for the diagnostic and therapeutic use of the proteins, epitopes, antibodies and nucleic acids of the invention are also provided, including the use of the proteins, epitopes, antibodies and nucleic acids of the invention for the production of vaccines effective in providing immunization of a human against infection by pathogenic bacteria of Neisseria species.

L'invention concerne des nouvelles protéines bactériennes réceptrices d'hémoglobine et des gènes qui codent ces protéines. L'invention porte sur l'isolement, la caractérisation, le diagnostic et l'application thérapeutique des protéines bactériennes réceptrices d'hémoglobine, des acides nucléiques qui codent ces protéines, des produits de recombinaison contenant ces acides nucléiques et les cellules obtenues par cette transformation, ainsi que des anticorps et des déterminants antigéniques de ces protéines réceptrices d'hémoglobine. L'invention porte en particulier sur des protéines réceptrices d'hémoglobine et sur des gènes qui codent de telles protéines des espèces Neisseria, notamment N. meningitidis et ses sérotypes, et N. gonorrhoeae. L'invention prévoit également des procédés destinés au diagnostic et à l'usage thérapeutique des protéines, des déterminants antigéniques, des anticorps et des acides nucléiques selon l'invention, y compris leur utilisation dans la production de vaccins à même d'immuniser un être humain contre une infection par des bactéries pathogènes de type Neisseria.

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