Table 1. A summary of the number of differentially expressed probe sets.

	Uncorrected p-value <0.001		Corrected p-value<0.05
	Log-ratio < -1	Log-ratio > 1	Log-ratio < -1	Log-ratio > 1
Group 4 vs Group 1	159	168	182	204
Group 4 vs Group 2	185	211	212	268
Group 4 vs Group 3	264	324	291	400
Group 3 vs Group 1	98	139	119	152
Group 3 vs Group 2	8	50	8	50
Group 2 vs Group 1	22	19	19	12

Group 1: Control hMSC, Group 2: Day-4 GDF5-induced hMSC, Group 3: Day-10 GDF5-induced hMSC, Group 4: tenocytes.