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Gene & Protein in Disease                                            TOPK: Target for lung cancer treatment




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            Figure 1. PBK expression in LUAD and LUSC. (A and B) TOPK expression in LUAD based on sample types (A) and gender of patients (B); data
            obtained from The Cancer Genome Atlas database. (C and D) TOPK expression in LUSC based on sample types (C) and gender of patients (D). (E)
            Gene expression profiles in all tumor samples paired with normal tissue. The height of the bars indicates the median expression of a certain tumor type
            or normal tissue. ***P < 0.001. Source: Diagram made by the authors.
            Abbreviations: TOPK: T-LAK cell-originated protein kinase; LUAD: Lung adenocarcinoma; LUSC: Lung squamous cell carcinoma.

            NSCLC cells with MET amplification-induced gefitinib   predicted  poor  prognosis. 20,23,24   Similarly,  after  analyzing
            resistance.  Thus, TOPK may serve as a novel target for   127 patients with LUAD, it was found that high expression
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            overcoming resistance to gefitinib.                of TOPK and mutant P53, as well as lymph node metastasis
                                                               and distant metastasis, were found to be independent
            2.3. TOPK as a prognostic indicator of lung cancer  predictors of poor prognosis in patients with LUAD.
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            Accumulating evidence indicates that TOPK is a     Recently, one study based on the Oncomine database
            marker of poor prognosis in lung cancer patients. Early   showed that TOPK levels were negatively correlated with
            immunohistochemical analysis revealed that patients with   the  OS of  lung cancer patients,  particularly those with
            high expression of TOPK in stage I NSCLC were more likely   LUAD. Subgroup analysis suggested that overexpression
            to experience recurrence and metastasis, and their overall   of TOPK was related with a significantly shorter survival
            survival (OS) rate was lower than that of patients with low   period in patients classified by sex, grade, and clinical
            expression of TOPK; moreover, high expression of TOPK   stage, with the exception of Stage 4 lung cancer patients


            Volume 3 Issue 2 (2024)                         3                               doi: 10.36922/gpd.3062
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