Up‐regulation of plakophilin‐2 is correlated with the progression of glioma

Neuropathology - Tập 37 Số 3 - Trang 207-216 - 2017
De-Geng Zhang1, Yuxia Qian2, Xiaoxing Liu1, Hong Yu3, Niangao Zhao4, Zhendong Wu2
1Department of Oncology, Taizhou People’s Hospital, Taizhou, China
2Department of Hematology Taizhou People's Hospital Taizhou China
3Department of Pathology, Taizhou People’s Hospital, Taizhou, China
4Department of Neurology, Taizhou People’s Hospital, Taizhou, China

Tóm tắt

Glioma is the most common type of primary brain tumor in the CNS. Due to its poor prognosis and high mortality rates, it is urgent to find out more effective therapies. Plakophilin‐2 (PKP2) is a widespread desmosomal plaque protein. Recently, the important roles of PKP2 in the proliferation and migration of cancer cells and tumor progression has been shown. However, the expression and potential function of PKP2 in glioma was still unclear. In this study, we demonstrated that PKP2 protein expression level was increased in glioma tissues compared with normal brain tissues, and its level was significantly associated with the Ki‐67 expression and WHO grade by Western blot analysis and immunohistochemistry. Clinically, high PKP2 expression was tightly related to poor prognosis of glioma patients. Interestingly, we found that down‐regulated PKP2 expression was shown to inhibit the migration of cells in glioma. Moreover, cell counting kit (CCK)‐8 and colony formation analyses proved that reduced expression of PKP2 could weaken glioma cell proliferation. Taken together, these data uncover a potential role for PKP2 in the pathogenic process of glioma, suggesting that PKP2 may be a promising therapeutic target of glioma.

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Neuropathology

Tập 37 Số 3

207-216

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