Table 1. The potential key transcription factor involved in spermatogenesis.

Targets Expression Pattern	Transcription Factor	Target Count	Targets Expression Pattern	Transcription Factor	Target Count
SPG up-regulated	NFAT	73	SPG down-regulated	SP1	8
	LEF1	69		LEF1	6
	SP1	69		PAX4	5
	TCF3	65		unknown*	5
	MAZ	63		unknown*	5
	JUN	61		NRF1	5
	unknown*	58		TCF3	4
	PAX4	57		NFAT	4
	MLLT7	56		GATA1	4
	MYC	42		HNF4A	4
SPC up-regulated	SP1	21	SPC down-regulated	TCF3	13
	MAZ	19		MAZ	8
	LEF1	18		SP1	7
	TCF3	15		LEF1	6
	PAX4	15		JUN	6
	MLLT7	13		MYOD1	6
	TCF8	13		unknown*	6
	unknown*	13		NFAR	5
	unknown*	12		MLLT7	5
	NFAT	10		REPIN1	5
				TFAP4	5
SPT up-regulated	TCF3	118	SPT down-regulated	SP1	154
	LEF1	106		LEF1	103
	unknown*	90		TCF3	92
	PAX4	84		MAZ	84
	MLLT7	84		unknown*	83
	MAZ	81		ELK1	82
	SP1	77		NFAT	76
	JUN	65		MLLT7	65
	NFAT	61		MYC	64
	REPIN1	66		REPIN1	51