Isoquercitrin Upregulates Aldolase C Through Nrf2 to Ameliorate OGD/R-Induced Damage in SH-SY5Y Cells

© 2021. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature..

Isoquercitrin (ISO), an extract from Chinese traditional herb, exhibits potent neuroprotective roles in various disease models. However, its role in stroke is not fully understood. We established oxygen-glucose deprivation and reoxygenation (OGD/R) model in SH-SY5Y cell to study the roles of ISO in stroke. In the experiment, the changes of LDH level and cell viability (MTT) were analyzed. Apoptotic cells stained with anti-Annexin V antibody and propidium iodide (PI) were detected by flow cytometry. The mRNA and protein level of aldolase C (ALDOC) and nuclear factor erythroid 2-related factor (Nrf2) was determined by real-time quantitative polymerase chain reaction (qPCR) and Western blotting assay, respectively. The localization of Nrf2 was investigated by immunofluorescent assay. OGD/R reduced cell viability via inducing cell apoptosis, while ISO treatment reduced the level of apoptosis in OGD/R-treated SH-SY5Y cells ISO rescued OGD/R-treated cells. Mechanistically, the expression of Nrf2 and ALDOC was upregulated upon ISO treatment, while knockdown of ALDOC diminished the activation of autophagy and hence inhibited ISO-mediated protective activity. We further demonstrated that ISO enhanced ALDOC transcription by promoting nuclear translocation of Nrf2, and suppression of Nrf2 decreased the expression of ALDOC. Our data revealed that ISO exhibited neuroprotective activity in OGD/R model through Nrf2-ALDOC-autopagy axis and highlighted the potential application of ISO in stroke treatment.

Medienart:

E-Artikel

Erscheinungsjahr:

2021

Erschienen:

2021

Enthalten in:

Zur Gesamtaufnahme - volume:39

Enthalten in:

Neurotoxicity research - 39(2021), 6 vom: 13. Dez., Seite 1959-1969

Sprache:

Englisch

Beteiligte Personen:

Cai, Shi-Chang [VerfasserIn]
Yi, Chuan-An [VerfasserIn]
Hu, Xiang-Shang [VerfasserIn]
Tang, Gen-Yun [VerfasserIn]
Yi, Li-Ming [VerfasserIn]
Li, Xiu-Ping [VerfasserIn]

Links:

Volltext

Themen:

0YX10VRV6J
9IKM0I5T1E
ALDOC
Autophagy
Cerebral ischemic stroke
EC 1.1.1.27
EC 4.1.2.13
Fructose-Bisphosphate Aldolase
Glucose
IY9XDZ35W2
Isoquercitrin
Journal Article
L-Lactate Dehydrogenase
NF-E2-Related Factor 2
NFE2L2 protein, human
Nrf2
Quercetin

Anmerkungen:

Date Completed 30.03.2022

Date Revised 30.03.2022

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1007/s12640-021-00430-1

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM333113721