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https://www.selleckchem.com/Proteasome.html s in pathways including ECM-receptor interaction, glycosaminoglycan degradation, and mucin type O-Glycan biosynthesis. The expression patterns of the selected lncRNAs were verified with qPCR. Conclusions High-throughput RNA-seq revealed previously undescribed lncRNA expression profiling in guinea pig FDM and LIM models. These results may shed light on the molecular pathogenesis of myopia and provide clues for interventional targets for this highly prevalent visual disorder. Copyright © 2020 Molecular Vision.Purpose The bioluminescence reporter PER2Luciferase (PER2Luc) provides a powerful tool to study the regulation of biological clocks in explant tissues, including the retinal clock. However, the establishment of a standardized procedure to replicate experimental conditions and to enable meaningful comparisons between findings from different studies is still lacking. In addition, different parameters may affect the retinal circadian bioluminescence signal and its dynamic in in vitro assays. In the present study, we first evaluated the effect of sex and age on the main parameters of the mouse retinal clock. We then examined the impact of medium change on PER2Luc rhythm and compared two light stimulation protocols of the retinal clock. Methods In a first set of experiments, retinal explants from both male and female Per2Luc mice of different ages (1 to 8 months) are cultured and the period, phase, amplitude, and rhythmic power of PER2Luc oscillations are analyzed. In a second set of experiments, we quantified then with day 0, whereas a medium change done after 6, 8, 9, or 10 days in culture advances the phase and lengthens the period. Finally, we observe that the physical displacement of the culture dishes containing retinal explants, even in complete darkness, induces a strong phase shift of PER2Luc oscillations. Conclusions Our work shows that the retina cultures are particularly sensitive to some aspects of the culture p

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