Distinct differentiation characteristics of individual human embryonic stem cell lines

Table 1 Analysis of 16 mouse intratesticular teratomas derived from the five FES lines

Structure	Antigen	FES 21	FES 22	FES 29	FES 30	FES 61
		n = 3	n = 4	n = 4	n = 4	n = 1
Mesenchyme (Mesoderm)	Vimentin	++++	++++	+++	+++	++++
Muscle (Mesoderm)	Desmin	+++	+++	+	+	++
Epithelium	CK-19	+++	++	++	++	++
Neuron (Ectoderm)	Neurofilament	++	++	++	+	++
Endoderm	HNF-3β	++	+	+	+/-	++
Cell proliferation	Ki-67	++	++	++	+	++
Gut-like structures		+++	+++	++	+/-	+++
Cystic tumor		-	-	+/-	++	-

ISSN: 1471-213X