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Expression of phosphorylated Akt/mTOR and clinical significance in human ameloblastoma

机译:磷酸化Akt / mTOR在人成纤维细胞瘤中的表达及其临床意义

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摘要

This study aimed to evaluate the expression of AKT and phosphorylated AKT (p-Akt) in human ameloblastoma (AB). Immunohistochemistry showed human AB was positive for Akt and Akt expression was mainly found in the cytoplasm of epithelial cells. The Akt expression in AB was significantly higher than that in normal oral mucosa (NOM), but still lower than that in oral squamous cell carcinoma (OSCC). NOM was negative for p-Akt, but AB was positive for p-Akt. In some AB tissues, p-Akt expression was found in both cytoplasm and nucleus. Akt expression in AB was significantly different from that in NOM and OSCC. The p-Akt in AB was markedly higher than that in NOM, but lower than that in OSCC. mTOR expressed in cytoplasm in AB, but not in NOM. P-mTOR expressed on cell membrane in NOM, while in cytoplasm and nucleus in Ab. Results of western blot assay showed that Akt expression was found in all the AB tissues, and increased in tissues with malignant transformation. In addition, the p-Akt expression also markedly increased in AB, but was still lower than that in OSCC tissues. Compared to NOM, mTOR and p-mTOR expression significantly increased in AB. BandScan 5.0 software was used to detect the optical density of protein bands. Results showed p-Akt, mTOR and p-mTOR expression in AB was markedly different from that in control group.
机译:这项研究旨在评估人类成纤维细胞瘤(AB)中AKT和磷酸化AKT(p-Akt)的表达。免疫组织化学显示,人AB为Akt阳性,Akt表达主要存在于上皮细胞的细胞质中。 AB中的Akt表达明显高于正常口腔粘膜(NOM),但仍低于口腔鳞状细胞癌(OSCC)。 NOM对p-Akt呈阴性,但AB对p-Akt呈阳性。在一些AB组织中,在细胞质和细胞核中均发现了p-Akt表达。 AB中的Akt表达与NOM和OSCC中的Akt表达明显不同。 AB中的p-Akt明显高于NOM中的p-Akt,但低于OSCC中的p-Akt。 mTOR在AB的细胞质中表达,但在NOM中不表达。 P-mTOR在NOM的细胞膜上表达,而在Ab的细胞质和细胞核中表达。蛋白质印迹分析的结果表明,在所有AB组织中均发现了Akt表达,在恶性转化的组织中Akt表达增加。另外,p-Akt表达在AB中也明显增加,但仍低于OSCC组织中。与NOM相比,AB中的mTOR和p-mTOR表达显着增加。使用BandScan 5.0软件检测蛋白质条带的光密度。结果显示,AB中p-Akt,mTOR和p-mTOR的表达与对照组明显不同。

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