Biochemical and biophysical research communications · 2017
Amelioration of serum 8-OHdG level by enzyme replacement therapy in patients with Fabry cardiomyopathy.
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Chen Kuan-Hsuan, Chou Yueh-Ching, Hsiao Chen-Yuan, Chien Yueh, Wang Kang-Ling, Lai Ying-Hsiu, Chang Yuh-Lih, Niu Dau-Ming, Yu Wen-Chung
Аннотация
OBJECTIVES: The level of 8-hydroxy-2-deoxyguanosise (8-OHdG) is a marker of oxidative stress. The objective of this study was to evaluate the effect of enzyme replacement therapy (ERT) on the level of 8-OHdG in patients with Fabry cardiomyopathy and the clinical evolution of Fabry cardiomyopathy.
METHODS: We measured the serum levels of 8-OHdG in 20 healthy control and 22 patients with Fabry cardiomyopathy before and after ERT.
RESULTS: The mean lysoGb3 and 8-OHdG levels was significantly increased in patients with Fabry cardiomyopathy compared with that of control subjects (lysoGb3, 3.6 ± 1.1 nM vs. 0.4 ± 0.1 nM, p < 0.01; 8-OHdG, 4.5 ± 0.5 ng/mL vs. 3.4 ± 0.4 ng/mL, P < 0.05). The mean lysoGb3 and 8-OHdG levels was significantly reduced after ERT for 14.2 months (lysoGb3, 3.6 ± 1.1 nM vs. 2.9 ± 1.1 nM, P < 0.05; 8-OHdG, 4.5 ± 0.5 ng/mL to 4 ± 0.4 ng/mL, P < 0.05). These changes were accompanied by decreases in LVM and LVMI.
CONCLUSIONS: We demonstrated that the serum 8-OHdG levels is increased in patients with Fabry cardiomyopathy (FC) and that successful management of FC with ERT is associated with a decrease in this oxidative stress marker. Serum 8-OHdG levels can be used not only as a noninvasive biomarker of oxidative stress in patients with FC but also an objective and quantitative parameter in the follow-up of patients during ERT.
METHODS: We measured the serum levels of 8-OHdG in 20 healthy control and 22 patients with Fabry cardiomyopathy before and after ERT.
RESULTS: The mean lysoGb3 and 8-OHdG levels was significantly increased in patients with Fabry cardiomyopathy compared with that of control subjects (lysoGb3, 3.6 ± 1.1 nM vs. 0.4 ± 0.1 nM, p < 0.01; 8-OHdG, 4.5 ± 0.5 ng/mL vs. 3.4 ± 0.4 ng/mL, P < 0.05). The mean lysoGb3 and 8-OHdG levels was significantly reduced after ERT for 14.2 months (lysoGb3, 3.6 ± 1.1 nM vs. 2.9 ± 1.1 nM, P < 0.05; 8-OHdG, 4.5 ± 0.5 ng/mL to 4 ± 0.4 ng/mL, P < 0.05). These changes were accompanied by decreases in LVM and LVMI.
CONCLUSIONS: We demonstrated that the serum 8-OHdG levels is increased in patients with Fabry cardiomyopathy (FC) and that successful management of FC with ERT is associated with a decrease in this oxidative stress marker. Serum 8-OHdG levels can be used not only as a noninvasive biomarker of oxidative stress in patients with FC but also an objective and quantitative parameter in the follow-up of patients during ERT.