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BCL 2 A 1 is a Potential Biomarker for Postoperative Seizure Control in Patients with Low‐grade Gliomas

机译:BCL 2 A 1是低度胶质瘤患者术后癫痫发作控制的潜在生物标志物

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Summary Aims To identify molecular genetic factors that influence preoperative seizure occurrence and postoperative seizure control in patients with low‐grade gliomas ( LGG s). Methods Fifty‐four WHO grade II astrocytomas were used for microarray analysis under strict inclusion criteria. The primary endpoint was seizure control at 12 months after surgery. Biological processes were investigated by gene ontology ( GO ) analysis. Quantitative RT ‐ PCR and immunohistochemistry were used to validate key genes. Results Differentially expressed genes correlated with seizure occurrence failed to significantly distinguish patients with and without a history of seizures. With respect to postoperative seizure control, a transcript profile of 92 genes was identified, which successfully separated patients with good and poor seizure prognosis. GO analysis revealed that the most striking overrepresentation of genes was found in a category of anti‐apoptotic genes and their regulation. Increased expression was also observed for genes involved in immune and inflammatory responses. BCL 2A1 was proven to be a novel marker associated with seizure prognosis. Conclusion Increased anti‐apoptotic activity of tumor cells appears to contribute to seizure recurrence after surgery in patients with LGG s. These findings provide insights that may lead to the development of effective treatment strategies for prolonging the survival of patients with LGG in the future.
机译:摘要目的确定低级神经胶质瘤(LGG)患者术前癫痫发作发生和术后癫痫发作控制的分子遗传因素。方法按照严格的纳入标准,将54例WHO II级星形细胞瘤用于芯片分析。主要终点是术后12个月的癫痫发作控制。通过基因本体论(GO)分析研究了生物学过程。定量RT ‐ PCR和免疫组织化学用于验证关键基因。结果与癫痫发作相关的差异表达基因未能显着区分有无癫痫病史的患者。关于术后癫痫发作控制,已鉴定出92个基因的转录本,成功地将癫痫预后良好和不良的患者分开。 GO分析显示,最显着的基因超表达是在一类抗凋亡基因及其调控中发现的。还观察到涉及免疫和炎症反应的基因表达增加。 BCL 2A1被证明是与癫痫发作预后相关的新型标志物。结论LGG患者手术后肿瘤细胞抗凋亡活性的增加似乎有助于癫痫发作的复发。这些发现提供了见解,可能会导致将来开发有效的治疗策略以延长LGG患者的生存期。

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