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Anthocyanins Extracted from Aronia melanocarpa Protect SH-SY5Y Cells against Amyloid-beta (1-42)-Induced Apoptosis by Regulating Ca 2+ Homeostasis and Inhibiting Mitochondrial Dysfunction

Anthocyanins Extracted from Aronia melanocarpa Protect SH-SY5Y Cells against Amyloid-beta (1-42)-Induced Apoptosis by Regulating Ca 2+ Homeostasis and Inhibiting Mitochondrial Dysfunction

Lingshuai Meng, Guang Xin, Bin Li, Dongnan Li, Xiyun Sun, Tingcai Yan, Li Li, Lin Shi, Sen Cao, Xianjun Meng

J Agric Food Chem. 2018 Dec 12;66(49):12967-12977.

PMID: 30415542

Abstract:

We investigated the cytoprotective effects of anthocyanins in Aronia melanocarpa against apoptosis induced by Aβ1-42, a key mediator of AD pathophysiology. We measured intracellular calcium with a colorimetric kit, cellular apoptosis with DAPI, intracellular ROS with the fluorescent marker 2,3-dimethoxy-1,4-naphthoquinone, mitochondrial membrane potential with JC-1, and ATP with a colorimetric kit. Gene transcription and protein expression levels of calmodulin, cytochrome c, caspase-9, cleaved caspase-3, Bcl-2, and Bax were analyzed by RT-PCR and Western blotting. The results showed that pretreatment with anthocyanins significantly inhibited Aβ1-42-induced apoptosis, decreased intracellular calcium and ROS, and increased ATP and mitochondrial membrane potential. RT-PCR and Western blotting revealed that anthocyanins upregulated the gene transcription and protein expression of calmodulin and Bcl-2 and downregulated those of cytochrome c, caspase-9, cleaved caspase-3, and Bax. A. melanocarpa anthocyanins protected SH-SY5Y cells against Aβ1-42-induced apoptosis by regulating Ca2+ homeostasis and apoptosis-related genes and inhibiting mitochondrial dysfunction.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP6956963	2,3-Dimethoxy-1,4-naphthoquinone		6956-96-3	Price

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