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题目:: Form deprivation modulates retinal neurogenesis in primate experimental myopia
ID:
状态:: 发布时间July 1, 2010 , 更新时间 March 27, 2012 , 提交时间 Sept. 12, 2005,
物种:: Macaca mulatta
摘要:: Juvenile primates develop myopia when their visual experience is degraded by lid fusion. In response to the abnormal visual input, retinal neural networks cause an excessive growth of the postequatorial segment of the eye, but the mechanism underlying this axial elongation is unknown. By combining analysis of gene expression, injection of the thymidine analog 5-bromo-2'-deoxyuridine and immunocytochemistry, we show that the retinal periphery in both juvenile rhesus macaques and green monkeys harbors a population of mitotically active neuroprogenitor cells that proliferate when the visual experience is altered by lid fusion. Furthermore, the number of dividing cells is highly correlated with the axial elongation of the eye and the resulting myopic refractive error. Thus, the retina undergoes active growth during the postnatal development of the primate eye. This growth is modulated by the visual input and accelerates considerably when the eye develops axial myopia. cDNA subtractions, construction of cDNA libraries and differential screening were performed as previously described (Tkatchenko et al, 2000). Two subtractions were carried out resulting in two cDNA libraries. One library was enriched in clones potentially up-regulated in the retina of the closed eye and the other was enriched in cDNAs potentially down-regulated. One thousand clones from each library were analyzed, and 535 differentially-expressed cDNAs were amplified by PCR and spotted onto glass slides coated with poly-L-lysine (five duplicates for each cDNA). The slides were then processed, hybridized with Cy3- and Cy5-labeled complex cDNA probes and washed in 0.2xSSC as described at
实验种类:: unknown experiment type
样本量:: 16
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数据号:: E-GEOD-3300, GSE3300
数据状态:: 无法自动分析，您可以尝试手动分析数据。

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