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[Apoptosis and c-myc protein expression in the retinal of form-deprivation myopia]
Dan Wen1, Shuang-zhen Liu, Jun-feng Mao
1Department of Ophthalmology, Xiangya Hospital, Central South University, Changsha, China.
Objective:
To study the apoptosis of retina and the expression of c-myc protein in form-deprivation myopia.
Methods:
Two-day-old chickens were sutured with right eyelid for 4, 8 and 12 weeks. After measurement of refracation, the eyeballs were observed by light microscope and taken photos. Retinal apoptotic cells were measured by TUNEL staining and flow cytometry. C-myc protein were examined by immunohistochemistry and flow cytometry.
Results:
Lacquer crack lesions were found in sutured eyes at 12 weeks. Apoptotic cells were observed in retinal outer and inner nuclear layer of the sutured eyes at 12 weeks and obvious peak of apoptosis was observed in sutured eyes at 12 weeks. The expression of c-myc protein was significantly more than control eyes at 8 and 12 weeks.
Conclusion:
The apoptosis of retinal was present in form-deprivation myopia with the degeneration of retina. C-myc protein plays an important role in retinal apoptosis of myopia.
