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Biomed Pharmacother. 2018 Dec;108:774-782. doi: 10.1016/j.biopha.2018.09.091. Epub 2018 Sep 22.

Nur77 is a promoting factor in traumatic brain injury-induced nerve cell apoptosis.

Author information

1
Department of Neurosurgery, Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, 210008, China.
2
Department of Neurosurgery, Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, 210008, China. Electronic address: nihongbin0517@163.com.

Abstract

Traumatic brain injury (TBI) poses a serious threat to human health. TBI has a high mortality rate, resulting in a great burden on the affected individual's family as well as society as a whole. The incidence of craniocerebral fractures continues to rise as both the economy and transportation options grow, making it imperative that the mortality and disability rate of craniocerebral trauma be reduced. Nur77 is a transcription factor of the nuclear receptor superfamily. Following stimulation of extracellular apoptosis, Nur77 is involved in a variety of diseases as a powerful pro-apoptotic molecule. Here, we determined the effect and mechanism of Nur77 in TBI-induced nerve cell apoptosis in vitro and in vivo. We found that Nur77 and Bcl-2 protein expression increased as nerve cell apoptosis increased in TBI tissues. Furthermore, inhibition of Nur77 improved nerve cell injury by regulation of Bcl-2 and downstream pathways in vitro and in vivo.

KEYWORDS:

Apoptosis; Bcl-2; Caspase 3; Cyto C; Nur77; Traumatic brain injury

PMID:
30248546
DOI:
10.1016/j.biopha.2018.09.091
[Indexed for MEDLINE]
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