DataSheet1_Establishment of Novel Prostate Cancer Risk Subtypes and A Twelve-Gene Prognostic Model.PDF (556.7 kB)
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DataSheet1_Establishment of Novel Prostate Cancer Risk Subtypes and A Twelve-Gene Prognostic Model.PDF

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posted on 28.05.2021, 05:59 by Enchong Zhang, Fujisawa Shiori, Mo Zhang, Peng Wang, Jieqian He, Yuntian Ge, Yongsheng Song, Liping Shan

Prostate cancer (PCa) is the most common malignancy among men worldwide. However, its complex heterogeneity makes treatment challenging. In this study, we aimed to identify PCa subtypes and a gene signature associated with PCa prognosis. In particular, nine PCa-related pathways were evaluated in patients with PCa by a single-sample gene set enrichment analysis (ssGSEA) and an unsupervised clustering analysis (i.e., consensus clustering). We identified three subtypes with differences in prognosis (Risk_H, Risk_M, and Risk_L). Differences in the proliferation status, frequencies of known subtypes, tumor purity, immune cell composition, and genomic and transcriptomic profiles among the three subtypes were explored based on The Cancer Genome Atlas database. Our results clearly revealed that the Risk_H subtype was associated with the worst prognosis. By a weighted correlation network analysis of genes related to the Risk_H subtype and least absolute shrinkage and selection operator, we developed a 12-gene risk-predicting model. We further validated its accuracy using three public datasets. Effective drugs for high-risk patients identified using the model were predicted. The novel PCa subtypes and prognostic model developed in this study may improve clinical decision-making.

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