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Journal Article
Research Support, Non-U.S. Gov't
Investigation Into the Effects of Tenilsetam on Markers of Neuroinflammation in GFAP-IL6 Mice.
Pharmaceutical Research 2018 January 6
PURPOSE: To test the short- and long-term effects of Tenilsetam on chronic neuroinflammation in the GFAP-IL6 mouse.
METHODS: From 3 months of age, GFAP-IL6 mice were divided into 2 groups and fed with Tenilsetam enriched food pellets or control food pellets, respectively, for either 5 or 15 months. Total numbers of Iba-1+ microglia, TSPO+ cells were determined using an unbiased stereological method. Levels of methylglyoxal and TNF-α in the cerebellar homogenate were tested using HPLC and ELISA, respectively.
RESULTS: Tenilsetam decreased the total number of Iba-1+ microglia in both the cerebellum and the hippocampus of GFAP-IL6 mice at 8 months and in the cerebellum at 18 months. In the cerebellum, it decreased the density of microglia in GFAP-IL6 mice to a similar level after 5 and 15 months' feeding. Tenilsetam prevented the volume loss of the cerebellum at 8 months. It also significantly decreased TNF-α in the cerebellum of GFAP-IL6 mice to a similar level of WT mice after 15 months of feeding.
CONCLUSION: Tenilsetam has anti-inflammatory effects evidenced by the decreased number of microglia in both the cerebellum and hippocampus, and decreased TNF-α levels in the GFAP-IL6 Tenilsetam fed animals.
METHODS: From 3 months of age, GFAP-IL6 mice were divided into 2 groups and fed with Tenilsetam enriched food pellets or control food pellets, respectively, for either 5 or 15 months. Total numbers of Iba-1+ microglia, TSPO+ cells were determined using an unbiased stereological method. Levels of methylglyoxal and TNF-α in the cerebellar homogenate were tested using HPLC and ELISA, respectively.
RESULTS: Tenilsetam decreased the total number of Iba-1+ microglia in both the cerebellum and the hippocampus of GFAP-IL6 mice at 8 months and in the cerebellum at 18 months. In the cerebellum, it decreased the density of microglia in GFAP-IL6 mice to a similar level after 5 and 15 months' feeding. Tenilsetam prevented the volume loss of the cerebellum at 8 months. It also significantly decreased TNF-α in the cerebellum of GFAP-IL6 mice to a similar level of WT mice after 15 months of feeding.
CONCLUSION: Tenilsetam has anti-inflammatory effects evidenced by the decreased number of microglia in both the cerebellum and hippocampus, and decreased TNF-α levels in the GFAP-IL6 Tenilsetam fed animals.
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