Int J Med Sci 2018; 15(14):1713-1722. doi:10.7150/ijms.27817 This issue Cite

Research Paper

Elevated Tumor Necrosis Factor-a-induced Protein 8-like 2 mRNA from Peripheral Blood Mononuclear Cells in Patients with Acute Ischemic Stroke

Yuan-Yuan Zhang1, Na-Na Huang1, Yan-Xin Zhao1, Yan-Shuang Li1, Dong Wang1, Yu-Chen Fan2✉, Xiao-Hong Li1✉

1. Department of Neurology, Jinan Central Hospital affiliated to Shandong University, Jinan 250013, China
2. Department of Hepatology, Qilu Hospital of Shandong University, Jinan 250012, China

Citation:
Zhang YY, Huang NN, Zhao YX, Li YS, Wang D, Fan YC, Li XH. Elevated Tumor Necrosis Factor-a-induced Protein 8-like 2 mRNA from Peripheral Blood Mononuclear Cells in Patients with Acute Ischemic Stroke. Int J Med Sci 2018; 15(14):1713-1722. doi:10.7150/ijms.27817. https://www.medsci.org/v15p1713.htm
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Abstract

Background: Tumor necrosis factor-a-induced protein 8-like 2 (TIPE2) is a novel regulator of immunity and protects against experimental stroke. However, the expression and function of TIPE2 in patients with acute ischemic stroke has not been well demonstrated.

Methods: A total of 182 consecutive patients with acute ischemic stroke and 40 healthy controls were included during November 2015 to June 2016. The mRNA levels of TIPE2, interleukin(IL)-1β, IL-10, IL-6, nuclear factor(NF)-κβ, activator protein(AP)-1, interferon(IFN)-γ and tumor necrosis factor(TNF)-α from peripheral blood mononuclear cells were determined using real time quantitative reverse transcriptase polymerase chain reaction. The severity of stroke was assessed using the National Institutes of Health Stroke Scale (NIHSS) score.

Results: The median mRNA levels of TIPE2, TNF-α, AP-1, IFN-γ and NF-κβ in patients with acute ischemic stroke were significantly higher than healthy controls (all P<0.001, respectively). Of note, TIPE2 mRNA showed an increasing trend on a time-dependent manner after the onset of stroke. Furthermore, TIPE2 mRNA was negatively associated with lesion volumes (r=-0.23, P<0.01), NIHSS(r=-0.15, P<0.05), TNF-α(r=-0.33,P<0.001), AP-1(r=-0.28,P<0.001), IFN-γ (r=-0.16, P<0.05) and NF-κβ (r=-0.13, P<0.05), but positively associated with IL-6(r=0.14, P<0.05) and IL-10(r=-0.31, P<0.001). Hierarchy cluster analysis showed that TIPE2 mRNA has nearest membership with TNF-α, followed by IL-6, NF-κβ, AP-1, IL-10, IL-1β and IFN-γ. In addition, TIPE2 mRNA in survivals (n=149) was significantly higher than nonsurvivals (n=33) (P<0.001), and showed a great odd ratio (0.52, 95% confidence interval: 0.349-0.760, P<0.001) on 3-month mortality.

Conclusions: TIPE2 mRNA contributed to the immune response of stroke and might be a potential biomarker for the mortality of acute ischemic stroke.

Keywords: tumor necrosis factor-a-induced protein 8-like 2, acute ischemic stroke, tumor necrosis factor-a, National Institutes of Health Stroke Scale, mortality


Citation styles

APA
Zhang, Y.Y., Huang, N.N., Zhao, Y.X., Li, Y.S., Wang, D., Fan, Y.C., Li, X.H. (2018). Elevated Tumor Necrosis Factor-a-induced Protein 8-like 2 mRNA from Peripheral Blood Mononuclear Cells in Patients with Acute Ischemic Stroke. International Journal of Medical Sciences, 15(14), 1713-1722. https://doi.org/10.7150/ijms.27817.

ACS
Zhang, Y.Y.; Huang, N.N.; Zhao, Y.X.; Li, Y.S.; Wang, D.; Fan, Y.C.; Li, X.H. Elevated Tumor Necrosis Factor-a-induced Protein 8-like 2 mRNA from Peripheral Blood Mononuclear Cells in Patients with Acute Ischemic Stroke. Int. J. Med. Sci. 2018, 15 (14), 1713-1722. DOI: 10.7150/ijms.27817.

NLM
Zhang YY, Huang NN, Zhao YX, Li YS, Wang D, Fan YC, Li XH. Elevated Tumor Necrosis Factor-a-induced Protein 8-like 2 mRNA from Peripheral Blood Mononuclear Cells in Patients with Acute Ischemic Stroke. Int J Med Sci 2018; 15(14):1713-1722. doi:10.7150/ijms.27817. https://www.medsci.org/v15p1713.htm

CSE
Zhang YY, Huang NN, Zhao YX, Li YS, Wang D, Fan YC, Li XH. 2018. Elevated Tumor Necrosis Factor-a-induced Protein 8-like 2 mRNA from Peripheral Blood Mononuclear Cells in Patients with Acute Ischemic Stroke. Int J Med Sci. 15(14):1713-1722.

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