Table 1.

Zebrafish Xenograft Data

Cell lines∗	Graft-bearing embryos, N	Normal embryos, n (%)	Abnormal embryos, n (%)	Fibrotic reticulum
IPF primary mesenchymal cells†	35	4 (11.4)	31 (88.6)	Yes
IPF MPCs	43	36 (83.7)	7 (16.3)	No
IPF MPC-progeny	65	7 (10.8)	58 (89.2)	Yes
Control primary mesenchymal cells†	48	3 (6.3)	45 (93.7)	No
Control MPCs	15	12 (80)	3 (20)	No
Control MPC-progeny	95	14 (14.7)	81 (85.3)	No

MPCs, mesenchymal progenitor cells.

^∗Data shown are from two IPF cell lines and two control cell lines.

^†In accord with our published data.¹⁶