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Title:
POLYETHYLENE GLYCOL MODIFIED INTERFERON ALPHA 2B AND PREPARATION METHOD AND APPLICATIOINS THEREOF
Document Type and Number:
WIPO Patent Application WO/2009/030066
Kind Code:
A1
Abstract:
Provided are mono-modified interferon alpha 2b by Y-type branched polyethylene glycol at the specific lysine position and the preparation method thereof. The pegylated interferon alpha 2b can be used for manufacture of pharmaceutical composition for treating diseases such as viral infection like hepatitis C etc.

Inventors:
ZHOU WEIDONG (CN)
XIAO QINGJIANG (CN)
SUN LI (CN)
WANG TIEBING (CN)
YIN FENGHONG (CN)
LUO SHIHONG (CN)
ZHUANG LU (CN)
LIU MIN (CN)
XU TIANLE (CN)
ZHANG YONG (CN)
Application Number:
PCT/CN2007/002644
Publication Date:
March 12, 2009
Filing Date:
September 04, 2007
Export Citation:
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Assignee:
BIOSTEED GENE EXPRESSION TECH (CN)
ZHOU WEIDONG (CN)
XIAO QINGJIANG (CN)
SUN LI (CN)
WANG TIEBING (CN)
YIN FENGHONG (CN)
LUO SHIHONG (CN)
ZHUANG LU (CN)
LIU MIN (CN)
XU TIANLE (CN)
ZHANG YONG (CN)
International Classes:
C07K17/08; A61K47/48; A61P11/06; A61P19/02; A61P29/00; A61P31/12; A61P35/00; A61K38/21; C07K14/56
Domestic Patent References:
WO2003076490A12003-09-18
Foreign References:
CN1711109A2005-12-21
US4179337A1979-12-18
EP0593868A11994-04-27
EP0809996A21997-12-03
CN1243779C2006-03-01
US0103411A1870-05-24
Other References:
WANG YUSEN ET AL.: "Structural and biological characterization of pegylated recombinant interferon alpha-2b and its therapeutic implications, cited in the application", ADVANCED DRUG DELIVERY REVIEWS, vol. 54, no. 4, 2002, pages 547 - 570, XP002989691
GRACE M. ET AL.: "Structural and biologic characterization of pegylated recombinant IFN-a 2b", JOURNAL OF INTERFERON AND CYTOKINE RESEARCH, vol. 21, no. 12, 2001, pages 1103 - 1115, XP002425931
KENJI ORITANI; PAUL W KINCADE ET AL.: "Type I interferon and limitin: a comparison of structures, receptors, and functions", CYTOKINE AND GROWTH FACTOR REVIEWS, vol. 12, 2001, pages 337 - 348
YU-SEN WANG; STEPHEN YOUNGSTER ET AL.: "Structural and biological characterization of PEGylated recombinant interferon alpha-2b and its therapeutic implications", ADVANCE DRUG DELIVERY REVIEWS, vol. 54, 2002, pages 547 - 570, XP002989691, DOI: doi:10.1016/S0169-409X(02)00027-3
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Attorney, Agent or Firm:
NTD PATENT & TRADEMARK AGENCY LIMITED BEIJING OFFICE (Block A Investment Plaza, 27 Jinrongdajie, Beijing 2, CN)
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