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Erschienen in: Metabolic Brain Disease 5/2020

26.03.2020 | Original Article

Neuroprotective roles of total flavones of Camellia on early brain injury andcognitive dysfunction following subarachnoid hemorrhage in rats

verfasst von: Weizhuo Lu, Jiyue Wen

Erschienen in: Metabolic Brain Disease | Ausgabe 5/2020

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Abstract

The present study was undertaken to explore the role of total flavones of Camellia (TFC) on cerebral injury following subarachnoid hemorrhage (SAH) in rats. We showed that the increase of malondialdehyde (MDA) level in brain tissues, leakages of neuron-specifc enolase (NSE) and lactate dehydrogenase (LDH) from brain tissues to serum at 48 h after SAH were significantly blocked by TFC treatment. Besides, TFC treatment could reduce brain edema and the Bax/Bcl-2 ratio in hippocampal tissues at mRNA and protein levels at 48 h after SAH. In addition, and the reduction of neurological scores at 7d after SAH were significantly inhibited by TFC treatment. We next sought to demonstrate the role of TFC on cognitive rehabilitation and the tau phosphorylation in hippocampal tissues at 30d after SAH. Not surprisingly, cognitive dysfunction and the upregulation of tau phosphorylation at Ser262 (p-tau-Ser262) in hippocampal tissues were markedly reduced by TFC treatment. These findings suggested that TFC has protective effect on SAH-induced EBI and subsequent cognitive dysfunction, which may be related to downregulating the Bax/Bcl-2-related apoptosis pathway and inhibition of tau phosphorylation.
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Metadaten
Titel
Neuroprotective roles of total flavones of Camellia on early brain injury andcognitive dysfunction following subarachnoid hemorrhage in rats
verfasst von
Weizhuo Lu
Jiyue Wen
Publikationsdatum
26.03.2020
Verlag
Springer US
Erschienen in
Metabolic Brain Disease / Ausgabe 5/2020
Print ISSN: 0885-7490
Elektronische ISSN: 1573-7365
DOI
https://doi.org/10.1007/s11011-020-00567-6

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