Immature Persimmon Suppresses Amyloid Beta (Aβ) Mediated Cognitive Dysfunction via Tau Pathology in ICR Mice

Autor: Seul-Ki Yoo, Jong-Min Kim, Uk Lee, Jin-Yong Kang, Seon-Kyeong Park, Hye-Ju Han, Hyo-Won Park, Hyun-Jin Kim, Chul-Woo Kim, Mahn-Jo Kim, Ho-Jin Heo
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Current Issues in Molecular Biology, Vol 43, Iss 1, Pp 405-422 (2021)
Druh dokumentu: article
ISSN: 1467-3045
1467-3037
DOI: 10.3390/cimb43010033
Popis: This study confirmed the ameliorating effect of immature persimmon (Diospyros kaki) ethanolic extract (IPEE) on neuronal cytotoxicity in amyloid beta (Aβ)1–42-induced ICR mice. The administration of IPEE ameliorated the cognitive dysfunction in Aβ1–42-induced mice by improving the spatial working memory, the short-term and long-term memory functions. IPEE protected the cerebral cholinergic system, such as the acetylcholine (ACh) level and acetylcholinesterase (AChE) activity, and antioxidant system, such as the superoxide dismutase (SOD), reduced glutathione (GSH) and malondialdehyde (MDA) contents. In addition, mitochondrial dysfunction against Aβ1–42-induced toxicity was reduced by regulating the reactive oxygen species (ROS), mitochondrial membrane potential and ATP contents. In addition, IPEE regulated the expression levels of tau signaling, such as TNF-α, p-JNK, p-Akt, p-GSK3β, p-tau, p-NF-κB, BAX and caspase 3. Finally, gallic acid, ellagic acid and quercetin 3-O-(6″-acetyl-glucoside) were identified as the physiological compounds of IPEE using ultra-performance liquid chromatography ion mobility separation quadrupole time-of-flight/tandem mass spectrometry (UPLC IMS Q-TOF/MS2).
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