Ankylosing Spondylitis: From Cells to Genes

Table 2

Association studies between CTLA4 +49-A/G and PD1 polymorphisms with ankylosing spondylitis.

Gene	Population	Year	Study type	SNP	Association	Reference
CTLA4	Iranian	2010	Case control	+49-A/G (rs2317754)	NS	[61]
	European	2001	Case control		NS	[62]
	Taiwanese	2010	Case control		NS	[63]
PD1	Han; Chinese	2009	Case control	PD1.3,; PD1.5,; PD1.9	NS; NS; Risk	[64]
	Iranian	2011	Case control	PD1.3,; PD1.9	NS; NS	[65]
	Taiwanese	2011	Case control	PD1.1	Risk	[66]
	Korean	2006	Case control	PD1.5,; PD1.9	NS; Risk	[67]
	Chinese	2011	Case control	PD1.9	Risk	[68]

PD1.1 (rs36084323), PD1.3 (rs11568821), PD1.5 (rs2227981), and PD1.9 (rs2227982).
NS: not significant.