PTEN基因在腦膠質(zhì)瘤中的表達及甲基化狀態(tài)的研究
發(fā)布時間:2019-04-25 17:36
【摘要】:目的:通過研究不同級別腦膠質(zhì)瘤細胞內(nèi)PTEN蛋白的表達情況及其PTEN基因甲基化狀態(tài),探討PTEN基因甲基化與腦膠質(zhì)瘤之間的關(guān)系,希望為腦膠質(zhì)瘤的早期診斷、預(yù)后判斷等提供依據(jù)。 方法:24例腦膠質(zhì)瘤的標本收集于中南大學(xué)湘雅三醫(yī)院以及湖南省腫瘤醫(yī)院神經(jīng)外科,通過手術(shù)切除并被病理科證實。其中Ⅰ-Ⅱ級8例,Ⅱ級4例,Ⅲ級4例,Ⅳ級8例。Ⅰ-Ⅱ級歸為低級別膠質(zhì)瘤,III-IV級歸為高級別膠質(zhì)瘤。8例作為對照的非瘤正常腦組織,取自中南大學(xué)湘雅三醫(yī)院神經(jīng)外科腦挫裂傷行手術(shù)治療后留取的失活腦組織。留取腦膠質(zhì)瘤組織及正常腦組織先進行免疫組化染色。檢測腦膠質(zhì)瘤組織及正常腦組織PTEN蛋白表達,再進行腦膠質(zhì)瘤組織及正常腦組織PTEN基因甲基化狀態(tài)的研究。 結(jié)果:1.正常腦組織與低級別膠質(zhì)瘤PTEN蛋白表達水平差異有統(tǒng)計學(xué)意義(P0.05);正常腦組織與高級別膠質(zhì)瘤PTEN蛋白表達水平差異有統(tǒng)計學(xué)意義(P0.05);低級別膠質(zhì)瘤與高級別膠質(zhì)瘤PTEN蛋白表達水平差異有統(tǒng)計學(xué)意義(P0.05)。2.正常腦組織與低級別膠質(zhì)瘤PTEN基因甲基化狀態(tài)差異無統(tǒng)計學(xué)意義(P0.05);正常腦組織與高級別膠質(zhì)瘤PTEN基因甲基化狀態(tài)差異有統(tǒng)計學(xué)意義(PO.05);低級別膠質(zhì)瘤與高級別膠質(zhì)瘤PTEN基因甲基化狀態(tài)差異無統(tǒng)計學(xué)意義(P0.05);正常腦組織和所有膠質(zhì)瘤PTEN基因甲基化狀態(tài)差異有統(tǒng)計學(xué)意義(P0.05)。 結(jié)論:1.PTEN基因甲基化可能參與了腦膠質(zhì)瘤的惡變進程。2.PTEN基因甲基化可能成為判斷腦膠質(zhì)瘤的一個重要參考指標。圖9幅,表3個,參考文獻37篇。
[Abstract]:Objective: to study the expression of PTEN protein and the methylation status of PTEN gene in different grades of glioma cells, and to explore the relationship between PTEN gene methylation and glioma in order to be an early diagnosis of glioma. The prognosis and so on provide the basis. Methods: 24 cases of brain gliomas were collected from the neurosurgery department of Xiangya third Hospital of Central South University and Hunan Cancer Hospital. The specimens were resected and confirmed by the Department of Pathology. There were 8 cases of grade 鈪,
本文編號:2465324
[Abstract]:Objective: to study the expression of PTEN protein and the methylation status of PTEN gene in different grades of glioma cells, and to explore the relationship between PTEN gene methylation and glioma in order to be an early diagnosis of glioma. The prognosis and so on provide the basis. Methods: 24 cases of brain gliomas were collected from the neurosurgery department of Xiangya third Hospital of Central South University and Hunan Cancer Hospital. The specimens were resected and confirmed by the Department of Pathology. There were 8 cases of grade 鈪,
本文編號:2465324
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