Title:
CELL PRESERVATION MATERIAL
Document Type and Number:
WIPO Patent Application WO/2019/049985
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a feature for preserving cells or tissues in a non-frozen state while excellent survivability of the cells or tissues is maintained. Cells or tissues are preserved in a non-frozen state within a liquid composition that contains deacylated gellan gum or a salt thereof, and an acid polysaccharide or a salt thereof in which a random coil state is maintained in a divalent metal cation medium and which is cross-linked via divalent metal ions. The acid polysaccharide may be alginic acid. The liquid composition may furthermore contain calcium ions or other such metal cations.
Inventors:
HATANAKA DAISUKE (JP)
HAYASHI HISATO (JP)
HAYASHI HISATO (JP)
Application Number:
PCT/JP2018/033198
Publication Date:
March 14, 2019
Filing Date:
September 07, 2018
Export Citation:
Assignee:
NISSAN CHEMICAL CORP (JP)
International Classes:
C12N1/04
Domestic Patent References:
| WO2016121896A1 | 2016-08-04 | |||
| WO2016167373A1 | 2016-10-20 | |||
| WO2014017513A1 | 2014-01-30 | |||
| WO2015111686A1 | 2015-07-30 |
Foreign References:
| JP2005312398A | 2005-11-10 | |||
| JP2004129596A | 2004-04-30 | |||
| JP2017173479A | 2017-09-28 |
Other References:
See also references of EP 3670644A4
Attorney, Agent or Firm:
TAKASHIMA, Hajime et al. (JP)
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