C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
C07K 14/65 (2006.01) C07K 1/113 (2006.01) C07K 14/47 (2006.01) C07K 14/72 (2006.01)
Patent
CA 2223495
The present invention provides a novel method for refolding insulin-like growth factor I (IGF-I) and insulin-like growth factor binding protein 3 (IGFBP-3). The method involves mixing of IGF-I and IGFBP-3 together in a cofolding reaction. The inventive cofolding method results in substantially higher yields of correctly folded protein for both molecules and alters the kinetics of refolding. The method includes the production of correctly folded IGF-I, IGFBP-3, and/or IGF-I/IGFBP-3 complex.
La présente invention se rapporte à un nouveau procédé de repliement du facteur de croissance insulinoïde I (IGF-I) et d'une protéine de liaison du facteur de croissance insulinoïde 3 (IGFBP-3). Le procédé consiste à mélanger IGF-I et IGFBP-3 au cours d'une réaction de corepliement. Le procédé de corepliement de l'invention donne lieu à des rendements sensiblement supérieurs de la protéine correctement pliée pour les deux molécules et modifie la cinétique du repliement. Le procédé comprend la production d'IGF-I, d'IGFBP-3 et/ou du complexe IGF-I/IGFBP-3 correctement pliés.
Ogawa Yasushi
Sommer Andreas
Tao Peggy
Celtrix Pharmaceuticals Inc.
Fetherstonhaugh & Co.
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