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Anti-inflammatory Function of Phyllostachys Edulis Extract in the Hippocampus of HIV-1 Transgenic Rats

Journal: Journal of HIV and AIDS (Vol.2, No. 3)

Publication Date:

Authors : ;

Page : 1-6

Keywords : HIV; Hippocampus; Neuroinflammation; Bamboo Phyllostachys edulis extract; NFκB; AP-1;

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HIV induces neuroinflammation. We evaluated the anti-inflammatory effect of an extract from bamboo Phyllostachys edulis in the hippocampus of HIV-1 transgenic (TG) rats. Five (5) one-month-old TG rats and 5 Fisher 344 (F344) rats were fed a control diet, another 5 TG rats were fed the control diet supplemented with bamboo extract (BEX, 11 grams dry mass per 4057 Kcal). After 9 months of dietary treatment, the gene and protein expression of interleukin 1 beta (IL-1β), glial fibrillary acidic protein (GFAP), and ionized calcium-binding adapter molecule 1 (Iba1), and the protein expression p65 and c-Jun were analyzed in the hippocampus. Compared to the F344 rats, the TG rats fed control diet showed significantly higher protein expression of GFAP and c-Jun, and mRNA and protein levels of IL-1β. BEX supplement to the TG rats significantly lowered protein expressions of GFAP, p65, and c-Jun, and showed a trend to decrease the protein expression of IL-1β. Compared to the TG rats, TG+BEX rats also downregulated the mRNA levels of IL-1β and TNFα. In summary, neuroinflammation mediated by the NFκB and AP-1 pathways in the hippocampus of the TG rats was effectively abolished by dietary supplement of BEX.

Last modified: 2020-08-07 00:50:36