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目的:检测PDGF-BB在视神经损伤和修复过程中表达的变化。方法:建立大鼠视神经再生模型,免疫组化法检测PDGF-BB在正常视神经和视神经-坐骨神经吻合后不同时段在各组织部位的表达。结果:在大鼠正常视神经,PDGF-BB阴性表达,在视神经-坐骨神经吻合后,视神经PDGF-BB阳性表达,其表达量随病程的发展而变化。结论:坐骨神经移植能够促进视神经的再生,在此过程中PDGF-BB发挥着一定的作用。
Objective: To detect the changes of PDGF-BB expression in the process of optic nerve injury and repair. Methods: The rat model of optic nerve regeneration was established. The expression of PDGF-BB in various tissues at different time points after normal optic nerve and optic nerve-sciatic nerve anastomosis was detected by immunohistochemistry. Results: The positive expression of PDGF-BB in the normal optic nerve and PDGF-BB in rats was positive after optic nerve-sciatic nerve anastomosis. The expression of PDGF-BB in the optic nerve changed with the progression of the disease. Conclusion: Sciatic nerve transplantation can promote the regeneration of optic nerve. PDGF-BB plays a role in this process.