Table 2

Candidate gene polymorphisms associated with systemic sclerosis

Encoded protein (gene location)
Patient (n)
Control (n)
Association

TNF promoter (6p21.3)
214
354
-1031 C allele and -863 A allele strongly associated with ACA-positive SSc [37]
TNF-α (6p21.3)
114
170
-238 and +489 A alleles are weakly associated with SSc [38]
TNF-RII (chromosome 9)
114
170
TNF-RII -196 polymorphism is not associated with SSc [38]
MCP-1 promoter (17q11.2)
18
139
-2518 G/G phenotype is associated with SSc [39]
IL-1A (2q14)
60
70
IL-1A gene polymorphism is associated with SSc [40]
IL-1A (2q14)
46
150
IL-1A -889T allele is associated with SSc [41]
eNOS (7q36)
73
112
eNOS is associated with SSc [9]
eNOS (7q36)
77
49
eNOS G894T is not associated with SSc [10]
eNOS (7q36)
164
184
eNOS G894T is not associated with SSc [11]
SPARC (5q31.3-32)
20
75
SPARC polymorphisms are associated with SSc [12]
SPARC (5q31.3-32)
121
200
SPARC polymorphisms are not associated with SSc [13]

ACA, anticentromere antibody; eNOS, endothelial nitric oxide synthase; IL, interleukin; MCP, monocyte chemoattractant protein; SPARC, secreted protein, acidic and rich in cysteine; TNF, tumour necrosis factor; TNF-RII, TNF receptor II.

Mayes and Trojanowska Arthritis Research & Therapy 2007 9(Suppl 2):S5   doi:10.1186/ar2189