alexa Oxygen free radical scavenger enzyme polymorphisms in systemic sclerosis.
Immunology

Immunology

Rheumatology: Current Research

Author(s): Tikly M, Marshall SE, Haldar NA, Gulumian M, Wordsworth P,

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Abstract We performed a case-control study of polymorphisms of glutathione S-transferase (GST) isoenzymes and manganese superoxide dismutase (MnSOD) in black South Africans with systemic sclerosis (SSc). The frequency of the GSTM1*B phenotype was significantly decreased in the overall SSc group compared with controls (OR=0.19, p(corr)<.05), implying a possible protective effect against development of the disease. There was also a trend toward increased MnSODAla allele and phenotype frequencies in the diffuse cutaneous SSc subset compared with controls (OR=2.11 and 3.15, respectively, p(corr)<.1). Our findings provide new data on the distribution of GST and MnSOD polymorphisms in healthy Africans and further evidence that genetic factors may have a contributory role to play in predisposing to oxidative stress in SSc. This article was published in Free Radic Biol Med and referenced in Rheumatology: Current Research

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