BAG-1L Protects SH-SY5Y Neuroblastoma Cells Against Hypoxia/Re-oxygenation Through Up-Regulating HSP70 and Activating PI3K/AKT Signaling Pathway.

Abstract:

:BCL-2-associated athanogene-1(BAG-1) is a multifunctional and anti-apoptotic protein that was first identified as a binding partner of BCL-2. But the effects and mechanisms for BAG-1 against hypoxic damage is unclear up to now. Whether BAG-1 could protect the human brain against hypoxic damage through up-regulating 70 kDa heat shock proteins (HSP70) and PI3K/AKT pathway activation? In present study, we examined the changes of HSP70 and AKT and p-AKT protein level in SH-SY5Y cells with BAG-1L gene over-expression subjected to hypoxia/re-oxygenation injury. BAG-1L over-expression increased neuronal viability, and it reduced apoptosis of neurons after hypoxia/re-oxygenation for 8 h. BAG-1L over-expression enhanced the HSP70 protein levels and increased p-AKT/total AKT ratio after hypoxia/re-oxygenation for 8 h. These results suggest that BAG-1L over-expression protects against hypoxia/re-oxygenation injury, at least in part, by interacting with HSP70, and by accelerating the activation of PI3K/AKT pathways.

journal_name

Neurochem Res

journal_title

Neurochemical research

authors

Wang Y,Jia C,Li QS,Xie CY,Zhang N,Qu Y

doi

10.1007/s11064-017-2304-y

subject

Has Abstract

pub_date

2017-10-01 00:00:00

pages

2861-2868

issue

10

eissn

0364-3190

issn

1573-6903

pii

10.1007/s11064-017-2304-y

journal_volume

42

pub_type

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