首页|Deciphering relationship between depression and microbial molecules based on multi-omics:A case study of Chaigui Granules
Deciphering relationship between depression and microbial molecules based on multi-omics:A case study of Chaigui Granules
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Deciphering relationship between depression and microbial molecules based on multi-omics:A case study of Chaigui Granules
Objective:To decipher the antidepression effect of Chaigui Granules(CGKL)from the relationship between depression and microbial molecules based on multi-omics.Methods:Male SD rats were subjected to chronic unpredictable mild stress(CUMS)for seven weeks.The antidepressants CGKL extract and CGKL were administered for the following four weeks.The behavior test and the content of monoamine neurotransmitters were used to evaluate the efficacy of CGKL.The 16S rRNA sequencing,LC-MS technology and molecular biological techniques were used to explore the pharmacological mechanism of CGKL.Results:CGKL treatment obviously alleviated the depressive behavioral indicators and regulated the con-tent of monoamine neurotransmitters,and presented dose-dependent manner.CGKL could also improve the arginine metabolism disorder of gut microbiota in the jejunum.Meanwhile,the contents of arginine and its metabolites in the serum and hippocampus were regulated to normal levels.Further investigation indicated that the expression of related rate-limiting enzyme genes and proteins in the hippocampus was validated by qRT-PCR and Western blotting.The results showed that the gut microbiota,metabolites,and genes or proteins of rate-limiting enzymes involved in the arginine pathway were significantly regulated by CGKL.Conclusion:The present study demonstrates that CGKL might exert antidepressant effects through regu-lating arginine metabolism,and its mechanism may be related to modulating the gut microbiota and related metabolic enzyme.
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