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- Title
High Expression of HULC Is Associated with Poor Prognosis in Osteosarcoma Patients.
- Authors
Uzan, Vanessa Regina Maciel; Lengert, André van Helvoort; Boldrini, Érica; Penna, Valter; Scapulatempo-Neto, Cristovam; Scrideli, Carlos Alberto; Filho, Alberto Paiva de Moraes; Cavalcante, Carlos Eduardo Bezerra; de Oliveira, Cleyton Zanardo; Lopes, Luiz Fernando; Vidal, Daniel Onofre
- Abstract
Osteosarcoma (OS) is the most common primary bone cancer in childhood. OS is an aggressive disease, and metastatic patients evolve with very poor clinical outcomes. Genetically, OSs are extremely complex tumors, and the related metastatic process is not well understood in terms of the biology of the disease. In this context, long non-coding RNAs (lncRNAs) have emerged as an important class of gene expression regulators that play key roles in the invasion and metastasis of several human tumors. Here, we evaluated the expression of HULC, which is an lncRNA that is associated with the tumor metastatic process, and assessed its potential role as a prognostic marker in OS. HULC expression was evaluated in primary OS samples using real-time RT-PCR. HULC expression status was determined by receiver operating characteristic (ROC) analysis, and its association with survival was assessed using the Kaplan-Meier method. The HULC expression level was not significantly associated with the clinicopathological characteristics of the OS patients. However, our data demonstrated that higher levels of expression of HULC were associated with lower survival rates in OS patients, both in terms of overall and event-free survival. Elevated HULC expression was associated with poor clinical outcomes among the OS patients, which suggests that HULC could be a potential prognostic biomarker in OS.
- Subjects
OSTEOSARCOMA in children; BONE cancer; NON-coding RNA; KAPLAN-Meier estimator; OSTEOSARCOMA; PROGNOSIS
- Publication
PLoS ONE, 2016, Vol 11, Issue 6, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0156774