HSP90AB1 Promotes the Proliferation, Migration, and Glycolysis of Head and Neck Squamous Cell Carcinoma

Posted on 06.08.2022 - 00:16

Background: Head and neck squamous cell carcinoma (HNSCC) is the 6th most common cancer worldwide. Heat shock protein 90 alpha family class B member 1 (HSP90AB1) is highly expressed in a variety of cancers and is associated with poor prognosis, however, its role in HNSCC is still poorly understood. This study aimed to explore the function HSP90AB1 played in HNSCC progression. Methods: The expression level of HSP90AB1 in HNSCC was analyzed by bioinformatics analysis and western blotting, and its relationship with clinicopathological parameters was analyzed by bioinformatics analysis and immunohistochemistry. Three stable HSP90AB1 knockdown HNSCC cell lines were constructed by lentiviral transfection. The effect of HSP90AB1 knockdown on the proliferation and migration of HNSCC cells was tested by CCK-8 assay, EdU incorporation assay, colony formation assay, nude mouse xenograft models, transwell migration assay, wound healing assay, and western blotting. The effect of HSP90AB1 knockdown on glycolysis in HNSCC cells was assessed by quantitative real-time PCR and related assay kits. Finally, the levels of Akt and phospho-Akt (Ser473) proteins after HSP90AB1 knockdown were detected by western blotting. Results: HSP90AB1 was highly expressed in HNSCC and associated with T grade, lymph node metastasis, and prognosis. Knockdown of HSP90AB1 inhibited the proliferation, migration, and glycolysis of HNSCC, and reduced the level of phospho-Akt. Conclusion: HSP90AB1 functions as an oncogene in HNSCC, and has the potential to become a prognostic factor and therapeutic target.

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Zhang, Hongbo; Yin, Xiteng; Zhang, Xinyu; Zhou, Meng; Xu, Wenguang; Wei, Zheng; et al. (2022): HSP90AB1 Promotes the Proliferation, Migration, and Glycolysis of Head and Neck Squamous Cell Carcinoma. SAGE Journals. Collection. https://doi.org/10.25384/SAGE.c.6134970.v1
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