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2015 ; 8
(9
): 11414-20
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Long non-coding RNA HOTTIP is up-regulated and associated with poor prognosis in
patients with osteosarcoma
#MMPMID26617868
Li F
; Cao L
; Hang D
; Wang F
; Wang Q
Int J Clin Exp Pathol
2015[]; 8
(9
): 11414-20
PMID26617868
show ga
Long non-coding RNAs (lncRNAs) have been shown to play key roles in cancer
development and progression. In this study, we focused on lncRNA HOTTIP and
investigated its expression pattern, clinical significance, and biological
function in osteosarcoma (OS). In the present study, lncRNA HOTTIP expression in
OS tissues was examined and its correlation with clinicopathological features and
patient prognosis was analyzed. In vitro assays were performed to understand the
biological roles of lncRNA HOTTIP in OS progression. In the study, we found that
HOTTIP expression was up-regulated in OS tissues, and correlated with advanced
clinical stage and distant metastasis. OS patients with high HOTTIP expression
level had poorer overall survival than those with low HOTTIP expression.
Multivariable Cox proportional hazards regression analysis suggested that
increased HOTTIP expression was an independent prognostic factor of overall
survival in OS patients. Moreover, the results of in vitro assays showed that the
suppression of HOTTIP in OS cells significantly reduced cell proliferation,
migration and invasion ability. Our study demonstrated that lncRNA HOTTIP play
critical roles in OS progression and could represent a novel prognostic marker
and potential therapeutic target in OS patients.