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Title:
MODIFIED LAMININ AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2012/137970
Kind Code:
A1
Abstract:
Provided is a modified laminin characterized in that a cell growth regulatory molecule is bound to at least one site of the N-terminus of an α-chain, the C-terminus of an α-chain, the N-terminus of a β-chain, and the N-terminus of a γ-chain of a laminin or a laminin fragment forming a hetero-trimer. Also provided are a culturing method for culturing cells in the presence of the modified laminin, a method for establishing iPS cells in the presence of the modified laminin, and a culture base material coated with the modified laminin. By culturing human stem cells in a xeno-free environment using the modified laminin of the invention, human stem cells which are highly safe and can be applied to regenerative medicine can be provided.

Inventors:
SEKIGUCHI KIYOTOSHI (JP)
TANIGUCHI YUKIMASA (JP)
NAKAGAWA MASATO (JP)
Application Number:
PCT/JP2012/059720
Publication Date:
October 11, 2012
Filing Date:
April 09, 2012
Export Citation:
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Assignee:
UNIV OSAKA (JP)
UNIV KYOTO (JP)
SEKIGUCHI KIYOTOSHI (JP)
TANIGUCHI YUKIMASA (JP)
NAKAGAWA MASATO (JP)
International Classes:
C07K14/47; C07K14/78; C07K19/00; C12N1/00; C12N5/0735; C12N5/10; C12N15/09
Domestic Patent References:
WO2008084401A22008-07-17
WO2011043405A12011-04-14
WO2007069666A12007-06-21
WO2008118820A22008-10-02
WO2010098419A12010-09-02
WO2011102531A12011-08-25
WO2011016588A12011-02-10
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US201161521153P2011-08-08
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See also references of EP 2695894A4
Attorney, Agent or Firm:
IWATANI, Ryo (JP)
Tatsu Iwatani (JP)
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Claims: