Objective To determine the concentration of int erleukin-12(IL-12),interleukin-2(IL-2) and tumor necrosis factor(TNF)and the irpossible role in the pathogenesis of proliferative vitreoretinopathy(PVR) ． Methods Patients were divided into 3 groups:18 with PVR,7 with simples retinal detachment caused by macular hole and 4 samples from normal eyes were used as control.Sample s of vitreous were obtained by aspiration through pars plana before cryotherapy ,vitrectomy and gas injection and stored in liquid nitrogen at －70℃ within 30 minites for ELISA. Results ①The levels of IL-12,IL-2，and TNF in the vitreous of PVR were positively correlated with the degree of severity of disease.②The levels of IL-12, IL-2,and TNF in the PVR were higher than those in simple retinal detachment caused by macular hole and those in control group(P lt;0.01 ).③The levels of IL-12,IL-2，and TNF in retinal detachment caused by macular hole were also higher than those in the control group(P lt;0.01). Conclusion IL-12,IL-2，and TNF may play a role at lease to some extent in the pathogenesis of PVR. (Chin J Ocul Fundus Dis,1999,15:75-77)

Citation： WANG Lingli,ZENG Shuiqing,XU Lili. A assay of IL-12，IL-2,and TNF levels in the vitre ous of patients with proliferative vitreoretinopathy. Chinese Journal of Ocular Fundus Diseases, 1999, 15(2): 75-77. doi: Copy

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