Table 1.

Id1 expression correlation with immune response markers in the TCGA data set.

Gene ID	IFNg Signature (Seiwert et al. 2016)
	CXCL10		HLA-DRA		CXCL9		STAT1		IDO1		IFNg
	cor	p -value	cor	p -value	cor	p -value	cor	p -value	cor	p -value	cor	p -value
Id1	−0.25	0.015	−0.23	0.013	−0.21	0.066	−0.18	0.176	−0.12	0.364	−0.074	0.713
Gene ID	Markers of Immune Cell Populations
	CD4		HLA-DRA		CD4		STAT1		CD4		IFNg
	cor	p -value	cor	p -value	cor	p -value	cor	p -value	cor	p -value	cor	p -value
Id1	−0.20	0.042	−0.17	0.120	−0.16	0.217	−0.11	0.684	−0.10	0.408	−0.20	0.042
Gene ID	Immune Checkpoints
	CD274 (PD-L1)		HLA-DRA		CD274 (PD-L1)		STAT1		CD274 (PD-L1)		IFNg
	cor	p -value	cor	p -value	cor	p -value	cor	p -value	cor	p -value	cor	p -value
Id1	−0.35	0.0001	−0.31	0.0003	−0.26	0.007	−0.113	0.568	−0.12	0.364	−0.074	0.713