國家衛生研究院 NHRI:Item 3990099045/13380
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    題名: CCL5 promotion of bioenergy metabolism is crucial for hippocampal synapse complex and memory formation
    作者: Ajoy, R;Lo, YC;Ho, MH;Chen, YY;Wang, Y;Chen, YH;Chiu, JY;Changou, CA;Hsiung, YC;Chen, HM;Chang, TH;Lee, CY;Chiang, YH;Chang, WC;Hoffer, B;Chou, SY
    貢獻者: NHRI Graduate Student Program;Center for Neuropsychiatric Research
    摘要: Glucoregulatory efficiency and ATP production are key regulators for neuronal plasticity and memory formation. Besides its chemotactic and neuroinflammatory functions, the CC chemokine--CCL5 displays neurotrophic activity. We found impaired learning-memory and cognition in CCL5-knockout mice at 4 months of age correlated with reduced hippocampal long-term potentiation and impaired synapse structure. Re-expressing CCL5 in knockout mouse hippocampus restored synaptic protein expression, neuronal connectivity and cognitive function. Using metabolomics coupled with FDG-PET imaging and seahorse analysis, we found that CCL5 participates in hippocampal fructose and mannose degradation, glycolysis, gluconeogenesis as well as glutamate and purine metabolism. CCL5 additionally supports mitochondrial structural integrity, purine synthesis, ATP generation, and subsequent aerobic glucose metabolism. Overexpressing CCL5 in WT mice also enhanced memory-cognition performance as well as hippocampal neuronal activity and connectivity through promotion of de novo purine and glutamate metabolism. Thus, CCL5 actions on glucose aerobic metabolism are critical for mitochondrial function which contribute to hippocampal spine and synapse formation, improving learning and memory.
    日期: 2021-11
    關聯: Molecular Psychiatry. 2021 Nov;26(11):6451-6468.
    Link to: http://dx.doi.org/10.1038/s41380-021-01103-3
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1359-4184&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000645895100007
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85105176097
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