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Background: Downregulation of PTENP1 was reported in different malignant tumors. However, the function and significance of PTENP1 in the clinical pathology and prognosis of tumors are not very clear. Therefore, we performed this research to analyze and elucidate the correlations between the PTENP1 expression and clinical pathological parameters and outcome of patients in different types of cancer.
Methods: Literature on PTENP1 was retrieved from PubMed, EMBASE, Web of Science, Cochrane Library, CNKI, Wan Fang, Springer, Ovid, and Medline databases. Pooled ORs (odds ratios) or HRs (hazard ratios) with 95% CIs were utilized to examine the relationship between the PTENP1 and clinical pathological traits and outcome of patients with different tumor types.
Results: Eight studies comprising 1,047 patients were enrolled and analyzed in this research. Down-regulation of PTENP1 was correlated with differentiation (OR: 2.57; 95% CI: 1.14 - 5.80), TNM stage (OR: 0.24; 95% CI: 0.13 - 0.43), and LNM (OR: 0.27; 95% CI: 0.14 - 0.52). Moreover, PTENP1 expression level was correlated with OS in the eight types of tumors (pooled HR: 0.49; 95% CI: 0.39, 0.61).
Conclusions: Low expression of PTENP1 might predict poor prognosis in patients with various carcinomas. PTENP1 may play an important role as a new prognostic indicator in patients with different malignant tumors.
DOI: 10.7754/Clin.Lab.2021.210328
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