ArticleOncotarget2018
Histology-dependent prognostic role of pERK and p53 protein levels in early-stage non-small cell lung cancer.
Article in Oncotarget, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Inhibition of PERK signaling suppresses tumor progression and blocks GP73-GRP78-dependent stromal activation in hepatocellular carcinoma.Neoplasia (New York, N.Y.) · 2026Article
- Yiqi Yangjing recipe stimulates apoptosis while suppressing the energy metabolism via under-expression ofJournal of thoracic disease · 2023Article
- Cellular and Molecular Profiling of Tumor Microenvironment and Early-Stage Lung Cancer.International journal of molecular sciences · 2022Article
- Expression of Cripto-1 predicts poor prognosis in stage I non-small cell lung cancer.Journal of cellular and molecular medicine · 2020Article
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Lung tumors represent a major health problem. In early stage NSCLC tumors, surgical resection is the preferred treatment, but 30-55% of patients will relapse within 5 years after surgery. Thus, the identification of prognostic biomarkers in early stage NSCLC patients, especially those which are therapeutically addressable, is crucial to enhance survival of these patients. We determined the immunohistochemistry expression of key proteins involved in tumorigenesis and oncogenic signaling, p53, EGFR, pAKT and pERK, and correlated their expression level to clinicopathological characteristics and patient outcome. We found EGFR expression is higher in the squamous cell carcinomas than in adenocarcinomas (p=0.043), and that nuclear p53 staining correlated with lower differentiated squamous tumors (p=0.034). Regarding the prognostic potential of the expression of these proteins, high pERK levels proved to be an independent prognostic factor for overall (p<0.001) and progression-free survival (p<0.001) in adenocarcinoma patients, but not in those from the squamous histology, and high p53 nuclear levels were identified as independent prognostic factor for progression-free survival (p=0.031) only in squamous cell carcinoma patients. We propose a role as early prognostic biomarkers for pERK protein levels in adenocarcinoma, and for nuclear p53 levels in squamous cell lung carcinoma. The determination of these potential biomarkers in the adequate histologic context may predict the outcome of early stage NSCLC patients, and may offer a therapeutic opportunity to enhance survival of these patients.
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