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To shed some light on gluconeogenesis in mammalian retina, we have focused on fructose-1,6-bisphosphatase (FBPase), a regulatory
enzyme of the process. The abundance of the enzyme within the layers of the rat retina suggests that, in mammals in contrast
to amphibia, gluconeogenesis is not restricted to one specific cell of the retina. We propose that FBPase, in addition to
its gluconeogenic role, participates in the protection of the retina against reactive oxygen species. Additionally, the nuclear
localization of FBPase and of its binding partner, aldolase, in the retinal cells expressing the proliferation marker Ki-67
indicates that these two gluconeogenic enzymes are involved in non-enzymatic nuclear processes. 相似文献
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