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. 2021 Feb 2;11:90. doi: 10.1038/s41398-020-01126-4

Fig. 1. Experimental flow chart.

Fig. 1

The effects of D-ribose (RIB), L-arabinose (ARA), D-glucose (Glc), D-mannose (MAN) and D-xylose (XYL) on cell viability were evaluated in cultured neuro-2a (N2a) cells. Then, two of monosacccharides (RIB and MAN) were selected for intraperitoneal injection in mice, and the effects of these monosaccharides on depressive- and anxiety-like behavior, as well as spatial learning and memory ability were examined. In addition, the integration of widely targeted metabolomics and transcriptomics in the hippocampus were performed. Based on metabolite-gene network analysis, qRT-PCR and western blot analysis were used to verify the effects of RIB on the insulin-POMC-MEK-TCF7L2 pathway and the effects of MAN on the MAPK-CREB-GRIN2A-CaMKII pathway.