Table 2.

Cell surface phenotype of freshly isolated neuroblastoma samples

Sample ID	ICAM-1	CD56	TrkA	NB84	HLA-I	MICA	HLA-II	Fas	TNF-R1	TNF-R2	TRAIL-R1	TRAIL-R2	TRAIL-R3	TRAIL-R4
NB-KI-1	+	++	++	++	+	ND	−	−	+	+ +	++	++	+
NB-KI-2	−	−	−	(+)	−	ND	ND	+	−	−	−	−	−	−
NB-KI-3	+	++	++	+	++	−	ND	−	−	−	−	(+)	(+)	(+)
NB-KI-4	+	+	+	++	++	−	−	−	+	+	−	+	+	+
NB-KI-5	−	++	++	++	−	−	−	−	−	+	−	+	(+)	+
NB-KI-6	+	++	++	+	+	−	−	−	+	++	−	+	+	+
NB-KI-7	+	+	−	+	−	−	−	+	−	+	+	+	+	+
NB-KI-8	+	+	−	+	+	−	−	−	−	+	+	+	+	−

Scoring: -: 0–5 sgMFI; (+): ≤ 5 sgMFI but positive on overlay; +: 6–100 sgMFI; ++: > 100 sgMFI

ND not done

Cells were double-stained for CD56 and the indicated molecules. The shown expression levels are from the CD56^high population [46]