C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
C07K 14/47 (2006.01) C07K 1/18 (2006.01) C07K 19/00 (2006.01) C12P 21/02 (2006.01)
Patent
CA 2136208
Disclosed are improvements in methods for the isolation of endotoxin-binding proteins which are secreted by transfected host cells in appropriate cell culture media, In its preferred embodiment, the invention comprises addition of a canon exchange material to the media as the means of increasing the yield of recombinant endotoxin-binding proteins, such as bactericidal/permeability-increasing protein and lipopolysaccharide-binding protein.
L'invention concerne des amélioratiosn apportées à des procédés d'isolement de protéines fixant l'endotoxine sécrétées par des cellules hôtes transfectées dans des milieux de culture appropriés. Dans un mode préféré de réalisation, le procédé consiste à ajouter un matériau échangeur de cations dans ledit milieu afin d'augmenter le rendement des protéines recombinées fixant l'endotoxine telles que la protéine bactéricide/augmentant la perméabilité et la protéine fixant les lipopolysaccharides.
Mbm Intellectual Property Law Llp
Xoma Corporation
LandOfFree
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