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Deprecated: Implicit conversion from float 284.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Nutrients 2020 ; 12 (11): ä Nephropedia Template TP
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A Probiotic Lactobacillus gasseri Alleviates Escherichia coli-Induced Cognitive Impairment and Depression in Mice by Regulating IL-1beta Expression and Gut Microbiota #MMPMID33182607
Yun SW; Kim JK; Lee KE; Oh YJ; Choi HJ; Han MJ; Kim DH
Nutrients 2020[Nov]; 12 (11): ä PMID33182607show ga
Excessive expression of interleukin (IL)-1beta in the brain causes depression and cognitive dysfunction. Herein, we investigated the effect of Lactobacillus gasseri NK109, which suppressed IL-1beta expression in activated macrophages, on Escherichia coli K1-induced cognitive impairment and depression in mice. Germ-free and specific pathogen-free mice with neuropsychiatric disorders were prepared by oral gavage of K1. NK109 alleviated K1-induced cognition-impaired and depressive behaviors, decreased the expression of IL-1beta and populations of NF-kappaB(+)/Iba1(+) and IL-1R(+) cells, and increased the K1-suppressed population of BDNF(+)/NeuN(+) cells in the hippocampus. However, its effects were partially attenuated by celiac vagotomy. NK109 treatment mitigated K1-induced colitis and gut dysbiosis. Tyndallized NK109, even if lysed, alleviated cognitive impairment and depression. In conclusion, NK109 alleviated neuropsychiatric disorders and colitis by modulating IL-1beta expression, gut microbiota, and vagus nerve-mediated gut-brain signaling.