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Comparative analysis of a panel of biomarkers related to protein phosphatase 2A between laryngeal squamous cell carcinoma tissues and adjacent normal tissues / 浙江大学学报(英文版)(B辑:生物医学和生物技术)
Article in English | WPRIM (Western Pacific) | ID: wpr-1010484
Responsible library: WPRO
ABSTRACT
Laryngeal squamous cell carcinoma (LSCC) is the most common type of head and neck squamous cell carcinoma (HNSCC) worldwide. Protein phosphatase 2A (PP2A) dysfunction has been widely reported in a broad range of malignancies due to its distinctive role in miscellaneous cellular processes. However, it is poorly understood whether aberrant alterations of PP2A are involved in the network of oncogenic events in LSCC. Here, we detected a panel of PP2A-associated proteins using western blot in both laryngeal squamous cell carcinoma tissues and paired adjacent normal tissues from patients (Data S1). We found that phospho-PP2A/C (Y307), α4, cancerous inhibitor of protein phosphatase 2A (CIP2A), Akt, ezrin, phospho-ezrin (T567), 14-3-3, and focal adhesion kinase (FAK) showed increased expression levels in carcinoma tissues relative to normal tissues, while phospho-Akt (T308) showed decreased levels. Our study, thus, provides a rationale for targeting PP2A to develop novel therapies and proposes a combination of interrelated biomarkers for the diagnostic evaluation and prognosis prediction in LSCC.
Subject(s)

Full text: Available Database: WPRIM (Western Pacific) Main subject: Phosphorylation / Autoantigens / Carcinoma, Squamous Cell / Biomarkers, Tumor / Case-Control Studies / Gene Expression Regulation, Neoplastic / Gene Expression Regulation / Laryngeal Neoplasms / Gene Expression Profiling / Cytoskeletal Proteins Limits: Humans Language: English Journal: Journal of Zhejiang University. Science. B Year: 2019 Document type: Article
Full text: Available Database: WPRIM (Western Pacific) Main subject: Phosphorylation / Autoantigens / Carcinoma, Squamous Cell / Biomarkers, Tumor / Case-Control Studies / Gene Expression Regulation, Neoplastic / Gene Expression Regulation / Laryngeal Neoplasms / Gene Expression Profiling / Cytoskeletal Proteins Limits: Humans Language: English Journal: Journal of Zhejiang University. Science. B Year: 2019 Document type: Article
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