Table 1.

Genes in which polymorphisms influence steroid-induced osteonecrosis risk.

Gene	Risk	Ref.
ATP-binding cassette subfamily B member 1 (ABCB1)	Reduced	[24]
Cytochrome P450	Reduced	[25]
IL1B	Increased or reduced	[26]
Metalloproteinase 2, 8, and 10	Increased	[27,28]
Metalloproteinase 9	Reduced	[32]
RETN	Increased	[29]
APOA5	Increased	[30]
APOE	Increased	[31]
TIMP4	Reduced	[33]
PAI-1	Increased	[34]
LncRNA LINC-PINT	Increased	[35]
VEGF	Increased	[13]
NO	Increased	[13]