Li Qiang,Tian Jie,Chen Zijun,Li Xiafei,Liu Chun.Oxidative stress up-zegnlale IL-17 in patients with Graves’ ophthalmopathy[J].J Amry Med Univ (J Third Mil Med Univ),2011,33(10):1068-1070.
Li Qiang,Tian Jie,Chen Zijun,Li Xiafei,Liu Chun.Oxidative stress up-zegnlale IL-17 in patients with Graves’ ophthalmopathy[J].J Amry Med Univ (J Third Mil Med Univ),2011,33(10):1068-1070.DOI:
Oxidative stress up-zegnlale IL-17 in patients with Graves’ ophthalmopathy
Objective To investigate the relationship between oxidative stress and secretion of interleukin-17 (IL-17) from T cells
and to study the effect of IL-17 on pathogenesis of Graves’ ophthalmopathy (GO). Methods Venous blood from 15 healthy persons and 25 patients newly diagnosed with GO was collected to prepare serum s
pecimens
and the levels of malondialdehyde (MDA)
superoxide dismutase (SOD)
and IL-17 in the serum specimens were analyzed. Venous blood from 10 of the healthy persons and 10 of the GO patients was additionally collected to prepare T-cell specimens. Each of the T-cell specimens was divided into a blank group [H
2
O
2
0
vitamin C (VitC)=0
]
an H
2
O
2
treatment group (H
2
O
2
=1 μmol/L
VitC=0)
a VitC treatment group (H
2
O
2
=0
VitC=25 μmol/L)
and an H
2
O
2
+VitC treatment group (H
2
O
2
=1 μmol/L
VitC=25 μmol/L). The T-cell specimens were cultured in vitro
and the IL-17 level of each group was tested. Results The levels of MDA and IL-17 in the serum specimens from the GO patients were significantly higher than those in the serum specimens from the healthy persons (6.77±1.11 nmol/mL and 13.62±2.43 ng/L vs 4.16±0.61 nmol/ml and 10.15±0.93 ng/L
P0.05). The SOD level and SOD/MDA ratio of the serum specimens from the GO patients were significantly lower than those of the serum specimens from the healthy persons (53.95±17.53 U/ml and 7.9±3.5 vs 73.16±15.33 U/ml and 18.1±5.2
P0.05). The IL-17 level and MDA level of the serum specimens from the GO patients were in significantly positive correlation (r=0.527
P0.01). In the GO patients
the IL-17 level of the H
2
O
2
treatment group was significantly higher than those of the blank group
VitC treatment group
and H
2
O
2
+VitC treatment group (27.55±4.75 ng/L vs 20.24±2.13 ng/L
18.76±1.13 ng/L
and 17.59±1.85 ng/L
P0.05)
and the IL-17 levels of the VitC treatment group and H
2
O
2
+VitC treatment group were significantly lower than that of the blank group (18.76±1.13 and 17.59±1.85 vs 20.24±2.13
P0.05). No significant differences were found in IL-17 levels of the groups from healthy persons (P0.05). Conclusion Oxidative stress can induce IL-17 secretion from T cells of patients wi
th Graves’ ophthalmopathy. Antioxidant VitC can inhibit the secretion to a certain degree.
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