Elevated levels of interleukin-1β, interleukin-6, tumor necrosis factor-α and vascular endothelial growth factor in patients with knee articular cartilage injury

被引:1
作者
Zhen-Wei Wang [1 ]
Le Chen [1 ]
Xiao-Rui Hao [1 ]
Zhen-An Qu [1 ]
Shi-Bo Huang [1 ]
Xiao-Jun Ma [1 ]
Jian-Chuan Wang [1 ]
Wei-Ming Wang [1 ]
机构
[1] Department of Sports Medicine,Affiliated Zhongshan Hospital of Dalian University
关键词
Knee articular cartilage injury; Interleukin-1β; Interleukin-6; Tumor necrosis factor-α; Vascular endothelial growth factor;
D O I
暂无
中图分类号
R684 [关节疾病及损伤];
学科分类号
1002 ; 100210 ;
摘要
BACKGROUND Inflammatory cytokines play a vital role in the occurrence of osteoarticular injury and inflammation. Whether inflammation-associated factors interleukin-1β(IL-1β), IL-6, tumor necrosis factor-α(TNF-α) and vascular endothelial growth factor(VEGF) are involved in the pathogenesis of keen articular cartilage injury remains poorly understood.AIM To measure the levels of inflammatory factors [IL-1β, IL-6, TNF-α and VEGF] in patients with knee articular cartilage injury.METHODS Fifty-five patients with knee articular cartilage injury were selected as patient groups, who were divided into three grades [mild(n = 20), moderate(n = 19) and severe(n = 16)] according to disease severity and X-ray examinations.Meanwhile, 30 healthy individuals who underwent physical examination were selected as the control group. The levels of IL-1β, IL-6, TNF-α and VEGF were measured by ELISA and immunohistochemical staining.RESULTS Compared with the control group, patient groups displayed significantly higher levels of IL-1β, IL-6, TNF-α and VEGF, and the extent of increase was directly proportional to the severity of injury(P < 0.05). In addition, the number of cells with positive staining of IL-1β, IL-6, TNF-α and VEGF in the synovial membrane were significantly increased, along with increased disease severity(P < 0.05).After treatment, the scores of visual analogue scale and the Western Ontario and McMaster University of Orthopaedic Index in patient groups were 2.26 ± 1.13 and15.56 ± 7.12 points, respectively, which were significantly lower than those before treatment(6.98 ± 1.32 and 49.48 ± 8.96). Correlation analysis suggested that IL-1βand TNF-α were positively correlated with VEGF.CONCLUSION IL-1β, IL-6, TNF-α and VEGF levels are increased in patients with knee articular cartilage injury, and are associated with the disease severity, indicating they might play an important role in the occurrence and development of knee articular cartilage injury. Furthermore, therapeutically targeting them might be a novel approach for the treatment of keen articular cartilage injury.
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收藏
页码:1262 / 1269
页数:8
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