MATZUK_SPERMATOGONIA	https://www.gsea-msigdb.org/gsea/msigdb/human/geneset/MATZUK_SPERMATOGONIA	ADAMTS2	APAF1	BAX	BMP8B	CDKN2D	CSF1	CYP19A1	DAZL	DDX4	DNMT3L	ETV5	GDNF	GJA1	KIT	LIMK2	NANOS2	P2RX1	PIN1	RBP4	SLC19A2	SOHLH2	STRA8	SYCP2	UTP14C	ZBTB16