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Erschienen in: NeuroMolecular Medicine 4/2019

12.09.2019 | Original Paper

Acetyl-11-keto-β-boswellic acid (AKBA) Attenuates Oxidative Stress, Inflammation, Complement Activation and Cell Death in Brain Endothelial Cells Following OGD/Reperfusion

verfasst von: Saif Ahmad, Shah Alam Khan, Adam Kindelin, Tasha Mohseni, Kanchan Bhatia, Md Nasrul Hoda, Andrew F. Ducruet

Erschienen in: NeuroMolecular Medicine | Ausgabe 4/2019

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Abstract

Brain endothelial cells play an important role in maintaining blood flow homeostasis in the brain. Cerebral ischemia is a major cause of endothelial dysfunction which can disrupt the blood–brain barrier (BBB). Oxygen–glucose deprivation (OGD)/reperfusion promote cell death and BBB breakdown in brain endothelial cells. Acetyl-11-keto-β-boswellic acid (AKBA), a biologically active phytoconstituent of the medicinal plant Boswellia serrata, has been shown to be protective against various inflammatory diseases as well as ischemic brain injury. The molecular mechanisms underlying these beneficial characteristics of AKBA are poorly understood. We subjected bEND.3 cells to OGD/reperfusion to investigate the protective role of AKBA in this model. We found that AKBA treatment attenuated endothelial cell death and oxidative stress assessed by means of TUNEL assay, cleaved-caspase-3, and dihydroethidium (DHE) staining. Furthermore, OGD downregulated tight junction proteins ZO-1 and Occludin levels, and increased the expressions of inflammatory cytokines TNF-α, ICAM-1, and complement C3a receptor (C3aR). We also noticed the increased phosphorylation of ERK 1/2 in bEND.3 cells in OGD group. AKBA treatment significantly attenuated expression levels of these inflammatory proteins and prevented the degradation of ZO-1 and Occludin following OGD. In conclusion, AKBA treatment provides protection against endothelial cell dysfunction following OGD by attenuating oxidative stress and inflammation.
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Metadaten
Titel
Acetyl-11-keto-β-boswellic acid (AKBA) Attenuates Oxidative Stress, Inflammation, Complement Activation and Cell Death in Brain Endothelial Cells Following OGD/Reperfusion
verfasst von
Saif Ahmad
Shah Alam Khan
Adam Kindelin
Tasha Mohseni
Kanchan Bhatia
Md Nasrul Hoda
Andrew F. Ducruet
Publikationsdatum
12.09.2019
Verlag
Springer US
Erschienen in
NeuroMolecular Medicine / Ausgabe 4/2019
Print ISSN: 1535-1084
Elektronische ISSN: 1559-1174
DOI
https://doi.org/10.1007/s12017-019-08569-z

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