US 12,460,167 B2
Scaffold material for cell culture and cell culture container
Yuuhei Arai, Osaka (JP); Nobuhiko Inui, Saitama (JP); Satoshi Haneda, Osaka (JP); and Hiroki Iguchi, Osaka (JP)
Assigned to SEKISUI CHEMICAL CO., LTD., Osaka (JP)
Appl. No. 17/612,451
Filed by SEKISUI CHEMICAL CO., LTD., Osaka (JP)
PCT Filed Jul. 31, 2020, PCT No. PCT/JP2020/029452
§ 371(c)(1), (2) Date Nov. 18, 2021,
PCT Pub. No. WO2021/024943, PCT Pub. Date Feb. 11, 2021.
Claims priority of application No. 2019-143062 (JP), filed on Aug. 2, 2019.
Prior Publication US 2022/0235307 A1, Jul. 28, 2022
Int. Cl. C12M 1/12 (2006.01)
CPC C12M 25/14 (2013.01) 10 Claims
OG exemplary drawing
 
1. A cell culture scaffold comprising:
a substrate; and
a protrusion formed by patterning in a pattern of a dot or a line on the substrate,
the protrusion containing a synthetic resin,
the synthetic resin containing a peptide-conjugated polyvinyl acetal resin,
the peptide-conjugated polyvinyl acetal resin having a polyvinyl acetal resin moiety, a linker moiety, and a peptide moiety,
the protrusion having cell adhesion, and
a portion of the protrusion located at the protrusion center position in plan view having an average height of 10 nm or more and 10 μm or less.