Document Type : Research articles


1 Department of Neurosurgery, The First People's Hospital of Yuhang District, Hangzhou, Zhejiang 311113, China

2 Department of Neurology, The First People's Hospital of Yuhang District, Hangzhou, Zhejiang 311113, China

3 Department of Neurosurgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 311121, China


Background: Hypertensive intracerebral hemorrhage (HICH) is a spontaneous cerebrovascular disease occuring in the brain parenchyma.Objectives: To characterize the predictive role of miR-155-5p and BDNF in the prognosis of HICH.Methods: All patients with HICH who underwent CT-guided minimally invasive surgery were classified into the good and poor prognosis groups using the modified Rankin Scale (mRS). The level of miR-155-5p was determined by qRT-PCR, and the level of brain-derived neurotrophic factor (BDNF) in serum was determined by ELISA. The relationship between miR-155-5p and BDNF was tested by Pearson correlation and luciferase reporter assay. The logistic regression method was used to determine the risk factors. The ROC curve was drawn to explain the predictive role of miR-155-5p, BDNF, or their combination.Results: A high level of miR-155-5p and a lower level of BDNF were observed in the poor prognosis group. BDNF level was negatively related to the level of miR-155-5p. BDNF is a target of miR-155-5p. BDNF and miR-155-5p were associated with prognosis. BDNF, miR-155-5p or their combination were predictive biomarkers for the prognosis of HICH.Conclusion: BDNF and miR-155-5p were associated with the outcome of HICH patients.


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