ArticlePathology oncology research : POR2018
Elevated Hu-Antigen Receptor (HuR) Expression is Associated with Tumor Aggressiveness and Poor Prognosis but not with COX-2 Expression in Invasive Breast Carcinoma Patients.
Article in Pathology oncology research : POR, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 29 citations in OpenAlex.
- Article
- An HuR mutant, HuR-V225I, identified in adult T-cell Leukemia/Lymphoma, alters the pro-apoptotic function of HuR.Cell death discovery · 2024Article
- HuR controls glutaminase RNA metabolism.Nature communications · 2024Article
- Exosomal Linc00969 induces trastuzumab resistance in breast cancer by increasing HER-2 protein expression and mRNA stability by binding to HUR.Breast cancer research : BCR · 2023Article
- MUC16 promotes triple-negative breast cancer lung metastasis by modulating RNA-binding protein ELAVL1/HUR.Breast cancer research : BCR · 2023Article
- The Prognostic Role of HuR Varies Between Different Subtypes of Breast Cancer Patients: Data Mining and Retrospective Analysis.Breast cancer (Dove Medical Press) · 2023Article
- Cyclooxygenase-2 immunohistochemical expression is associated with worse prognosis in breast cancer: Retrospective study and literature review.Saudi medical journal · 2022Review
- Human antigen R promotes lung fibroblast differentiation to myofibroblasts and increases extracellular matrix production.Journal of cellular physiology · 2021Article
- HuR Protein in Hepatocellular Carcinoma: Implications in Development, Prognosis and Treatment.Biomedicines · 2021Review
- Non-specific protein modifications may be novel mechanism underlying bioactive phytochemicals.Journal of clinical biochemistry and nutrition · 2018Review
Corrections and comments
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Authors and funding
12 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Hu-antigen R (HuR), a RNA-binding protein, is considered to play a crucial role in tumor development and progression by stabilizing or regulating a group of cellular mRNAs of cancer-related genes, such as cyclooxygenase-2 (COX-2). The present study aimed to evaluate the clinical significance of HuR and COX-2 expression in invasive breast carcinoma. HuR and COX-2 protein expression was assessed immunohistochemically on paraffin-embedded breast cancer tissue sections obtained from 121 patients and was statistically analyzed with clinicopathological parameters, estrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor receptor 2 (HER2), as well as with tumor cells' proliferative capacity and overall and disease-free patients' survival. High HuR expression was positively associated with larger tumor size and advanced disease stage (p = 0.0234 and p = 0.0361, respectively), being more frequently observed in ER negative cases (p = 0.0208). High COX-2 expression was negatively associated with histological (p < 0.0001) and nuclear (p = 0.0033) grade and tumor cells' proliferative rate (p = 0.0015), being more frequently observed in luminal-A compared to other molecular subtypes (p = 0.0221). High HuR expression was associated with poor overall and disease-free patients' survival at both univariate (log-rank test, p = 0.0092 and p = 0.0004, respectively) and multivariate (Cox-regression analysis, p = 0.0223 and p = 0.0004, respectively) level. On the other hand, high COX-2 expression was associated with favorable overall and disease-free patients' survival merely at univariate level (log-rank test, p = 0.0389 and p = 0.0154, respectively). HuR expression was not associated with COX-2 expression (Spearman R = 0.1489, p = 0.1032). The present data support evidence that HuR is associated with tumor aggressiveness and poor prognosis in breast carcinoma, reinforcing its potential as promising therapeutic target in this type of neoplasia.
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