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Radioresistance remains a major challenge in the treatment of glioblastoma multiforme (GBM). Recent data strongly suggests the important role of miRNAs in cancer progression and therapeutic response. Here, we have established a radioresistant human GBM cell line U87R derived from parental U87 and found miR-135b expression was upregulated in U87R cells.(More)
Glioblastoma multiforme (GBM) is the most malignant and common brain tumor; it is aggressive growth pattern means that GBM patients face a poor prognosis even when receiving the best available treatment modalities. In recent years, an increasing number of reports suggest that the discovery of microRNAs (miRNAs) might provide a novel therapeutic target for(More)
Mood stabilizer valproic acid (VPA), a widely used antiepileptic drug that has been demonstrated neuroprotective effect against various insults through multiple signaling pathways. The role of VPA in traumatic brain injury (TBI) remains unclear. In the present study, we investigated the neuroprotective potency of VPA for protection against TBI in adult(More)
CONTEXT It has been verified that dendritic cell (DC) vaccination can improve the prognosis of malignant glioma. However, recent evidence suggests the problems with DC vaccines lies, at least in part, with the cancers ability to induce an immunosupressive response that suppresses any vaccine-mediated active immunity. Our previous studies indicate that(More)
Glioblastoma (GBM) is the most lethal brain tumor due to the resistance to conventional therapies, such as radiotherapy and chemotherapy. TAZ, an important mediator of the Hippo pathway, was found to be up-regulated in diverse cancers, including in GBM, and plays important roles in tumor initiation and progression. However, little is known about the(More)
miR-200b is a tumor suppressor in multiple tumors including gastric cancer, breast cancer, ovarian cancer and glioma. In this study, we detected the expression of miR-200b and analyzed its correlation with clinicopathological parameters in glioma tissues. miR-200b was downregulated in glioma tissues. And its downexpression was correlated with poor prognosis(More)
Temozolomide (TMZ) is the most commonly used alkylating agent in glioma chemotherapy. However growing resistance to TMZ remains a major challenge to clinicians. The DNA repair protein O6-methylguanine-DNA methytransferase (MGMT) plays critical roles in TMZ resistance. Promoter methylation can inhibit MGMT expression and increase chemosensitivity. Here, we(More)
  • Chi Zhang, Songlin Liu, +9 authors Qing Liu
  • Cellular physiology and biochemistry…
  • 2016
BACKGROUND Valproic acid (VPA), an established antiepileptic drug, was assessed for antitumor activity, including its effects on glioblastoma, but its role has not been determined. METHODS In the present study, we investigated VPA-induced apoptosis effects on human U87 cells by cell viability, lactate dehydrogenase (LDH) release, TUNEL/Hoechst staining(More)
Temozolomide (TMZ)-based chemotherapy is a standard strategy for glioma, while chemoresistance remains a major therapeutic challenge. Recent evidence highlights the crucial regulatory roles of long non-coding RNAs (lncRNA) in tumor biology. However, the roles and regulatory mechanisms of lncRNA cancer susceptibility candidate 2 (CASC2), in glioma(More)
Although epithelial membrane protein 3 (EMP3) has been implicated as a candidate tumor suppressor gene for low grade glioma, its biological function in glioblastoma multiforme (GBM) still remains poorly understood. Herein, we showed that EMP3 was highly expressed in CD44-high primary GBMs. Depletion of EMP3 expression suppressed cell proliferation, impaired(More)