Cell differentiation potential discrimination law

An object of the present invention is to identify the high cell surface glycan markers correlated with the differentiation potential of somatic stem cells such as mesenchymal stem cells, the determination of the differentiation potential of somatic stem cells using the cell surface sugar chain marker, evaluation method, the isolation of highly differentiated potential somatic stem cells, is to provide a concentrated way. The present invention, by using the α2-6 sialic acid binding lectin or antibody, method for determining the height of the differentiation potential of somatic stem cells by measuring the α2-6 sialic acid expressed in somatic stem cell surface and, from somatic stem cells containing sample, the expression level of high somatic stem cells isolate the α2-6 sialic acid at the cell surface, it provides a method of concentrating.