Method for orthopoxvirus production and purification

A - Human Necessities – 61 – K

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Details

A61K 39/275 (2006.01) A61K 38/18 (2006.01) A61K 39/12 (2006.01) C12N 7/02 (2006.01)

Patent

CA 2760465

The present invention relates to a method for producing and purifying a wild type, an attenuated and/or a recombinant Orthopoxvirus. The present invention relates to a purified wild type, attenuated and/or recombinant Orthopoxvirus obtained by the method of the invention and to a pharmaceutical composition, preferably a vaccine, comprising said purified Orthopoxvirus for the treatment and/or the prevention a cancer, an infectious disease and/or an autoimmune disorder, and uses thereof. The present invention also relates to the use of an immortalized avian cell line obtained from an avian cell belonging to the Anatidae family, in particular Cairina moschata immortalized avian cell lines comprising a nucleic acid sequence coding a telomerase reverse transcriptase (TERT) and optionally an E1A nucleic acid sequence, for the production of a wild type, attenuated and/or recombinant Orthopoxvirus according to the process of the invention.

La présente invention concerne un procédé de préparation et de purification d'un type sauvage, atténué et/ou recombinant d'orthopoxvirus. La présente invention concerne un type sauvage purifié, atténué et/ou recombinant d'orthopoxvirus, obtenu par le procédé de l'invention, et une composition pharmaceutique, de préférence un vaccin, qui comporte ledit orthopoxvirus purifié pour le traitement et/ou la prévention d'un cancer, d'une maladie infectieuse et/ou d'un trouble auto-immun, et les utilisations de ceux-ci. La présente invention concerne également l'utilisation d'une lignée cellulaire aviaire immortalisée obtenue d'une cellule aviaire appartenant à la famille Anatidae, en particulier des lignées cellulaires aviaires immortalisées de Cairina moschata qui comportent une séquence d'acide nucléique codant une transcriptase inverse de télomérase (TERT) et facultativement une séquence d'acide nucléique E1A, pour l'obtention d'un type sauvage, atténué et/ou recombinant d'orthopoxvirus selon le procédé de l'invention.

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