Patent ID: 11230701

Abstract:
Provided are a novel hemagglutinin that can remove cells deviated from the undifferentiated state, the cells being cells that emerge in a colony during culture of stem cells having pluripotency, and a novel method for culturing stem cells having pluripotency, the method using hemagglutinin. Provided is a mutant hemagglutinin complex protein derived from Clostridium botulinum type B, the complex protein containing at least subcomponents HA2 and HA3 of hemagglutinin derived from Clostridium botulinum type B, and the complex protein containing amino acids constituting a glycosylation site, with at least one of the amino acids having been mutated. Provided is a method for culturing stem cells having pluripotency, the method including culturing the stem cell having pluriopotency in the presence of a mutant hemagglutinin complex protein of the present disclosure.