Objective: To investigate the correlation between nucleolus spindle-related protein 1 (NUSAP1) and malignant progression and prognosis of human glioblastoma multiforme (GBM). Methods: RT-PCR and immunohistochemical technique were applied to analyze NUSAP1 expression level in GBM surgical specimens. Correlations between NUSAP1 expression and molecular classification and survival of patients with GBM were also investigated in TCGA database. The gene silencing technique was used to silence NUSAP1 expression in U87 cells, CCK-8 assay was used to detect cell proliferation, flow cytometry was used to detect cell cycle changes, and in vivo tumorigenicity was evaluated after NUSAP1 silencing in tumor-bearing mice. Results: NUSAP1 expression level in GBM was higher than that in non-tumor brain tissue. Survival curve analysis showed that the survival time of GBM patients with high NUSAP1 expression decreased significantly (P<0.01). NUSAP1 expression was relatively lower in mesenchymal and neural molecular subtypes of GBM, when compared with the other two molecular subtypes. And it was closely related with specific genetic aberrations (such as PTEN loss and IDH1 mutation). Silencing NUSAP1 inhibited G2/M cell cycle progression of GBM cells, and inhibited cell proliferation both in vitro and in vivo. Conclusion: Expression of NUSAP1 is closely related to progress and prognosis of GBM, and can be a biomarker reflecting GBM prognosis and act as a therapeutic target with potential clinical application value.
目的 观察祛栓灵胶囊对急性血瘀模型动物兔和大鼠的血液流变学的影响.方法 动物ig祛栓灵胶囊7d后,分别以iv 10%高分子右旋糖酐和sc肾上腺素加冰浴制备兔和大鼠急性血瘀模型,然后分别测定血液流变学指标的变化.结果 兔连续ig祛栓灵胶囊37.5~150 mg/kg 7 d后,可降低高分子右旋糖酐血瘀模型兔的全血黏度、全血还原黏度和红细胞聚集指数.大鼠连续ig祛栓灵胶囊62.5~250 mg/kg 7 d后,同样可降低sc肾上腺素+冷刺激所致急性血瘀模型大鼠的全血黏度、血浆黏度、红细胞压积和纤维蛋白原.结论 祛栓灵胶囊对急性血瘀兔和大鼠的血液流变学指标具有一定的改善作用.