Erythrocyte glutathione transferase: a non-antibody biomarker for systemic sclerosis, which correlates with severity and activity of the disease
Open Access
- 25 July 2013
- journal article
- research article
- Published by Springer Science and Business Media LLC in Cell Death & Disease
- Vol. 4 (7), e736
- https://doi.org/10.1038/cddis.2013.255
Abstract
Erythrocyte glutathione transferase (e-GST) is a detoxifying enzyme hyper-expressed in nephropathic patients and used recently as a biomarker for blood toxicity. Systemic sclerosis (SSc) is characterized by endothelial dysfunction and fibrosis of the skin and internal organs. Renal involvement is frequent in SSc patients. Here we show that e-GST is hyper-expressed in SSc patients (n=102) and correlates (R2=0.49, P<0.0001) with the Medsger DSS and DAI Valentini indices that quantify the severity and activity of this disease. Interestingly, e-GST does not correlate with the impairment of kidney or other specific organs taken separately. e-GST hyper-expression seems to be linked to the presence of a factor (i.e., toxin) that triggers the autoimmune disease, and not to the damage of specific organs or to oxidative stress. e-GST may be proposed as an innovative non-antibody biomarker for SSc useful to check the progress of this disease and the efficiency of new therapeutic strategies.Keywords
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