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Deprecated: Implicit conversion from float 263.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 FASEB+J 2017 ; 31 (1): 282-293 Nephropedia Template TP
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Omega-3 polyunsaturated fatty acids promote amyloid-beta clearance from the brain through mediating the function of the glymphatic system #MMPMID27789520
Ren H; Luo C; Feng Y; Yao X; Shi Z; Liang F; Kang JX; Wan JB; Pei Z; Su H
FASEB J 2017[Jan]; 31 (1): 282-293 PMID27789520show ga
Impairment of amyloid-beta (Abeta) clearance leads to Abeta accumulation in the brain during the development of Alzheimer's disease (AD). Strategies that can restore or improve the clearance function hold great promise in delaying or preventing the onset of AD. Here, we show that n-3 polyunsaturated fatty acids (PUFAs), by use of fat-1 transgenic mice and oral administration of fish oil, significantly promote interstitial Abeta clearance from the brain and resist Abeta injury. Such beneficial effects were abolished in Aqp4-knockout mice, suggesting that the AQP4-dependent glymphatic system is actively involved in the promoting the effects of n-3 PUFAs on the clearance of extracellular Abeta. Imaging on clarified brain tissues clearly displayed that n-3 PUFAs markedly inhibit the activation of astrocytes and protect the AQP4 polarization in the affected brain region after Abeta injection. The results of the present study prove a novel mechanism by which n-3 PUFAs exert protective roles in reducing Abeta accumulation via mediating the glymphatic system function.-Ren, H., Luo, C., Feng, Y., Yao, X., Shi, Z., Liang, F., Kang, J. X., Wan, J.-B., Pei, Z., Su, H. Omega-3 polyunsaturated fatty acids promote amyloid-beta clearance from the brain through mediating the function of the glymphatic system.