Table 1.

Ewing sarcoma xenograft series, 6, originating from five patients

Case No. (Nude)	Xenograft Passage
488 (15)	1*, 2*, 4, 7*, 11, 14*
445 (22)	0, 1, 4, 11, 15, 22
451 (53)	0, 4, 11*, 15*, 18, 21*
455 (199)	0, 1, 5*, 11, 17, 25*
430 (PRI) (230)	0, 1*, 4, 9, 19*
430 (MET) (248)	1*, 4, 14*, 21, 30*

Case number 430 has two xenograft passages originating from one patient in different status of tumor: PRI = Primary Tumor, MET = Lung Metastasis. Samples used in the miRNA study are marked with an asterisk. Xenograft passage number 0 refers to the corresponding primary patient sample