Abstract:
:The molecular complexity of human breast cancer (BC) renders the clinical management of the disease challenging. Long non-coding RNAs (lncRNAs) are promising biomarkers for BC patient stratification, early detection, and disease monitoring. Here, we identified the involvement of the long intergenic non-coding RNA 01087 (LINC01087) in breast oncogenesis. LINC01087 appeared significantly downregulated in triple-negative BCs (TNBCs) and upregulated in the luminal BC subtypes in comparison to mammary samples from cancer-free women and matched normal cancer pairs. Interestingly, deregulation of LINC01087 allowed to accurately distinguish between luminal and TNBC specimens, independently of the clinicopathological parameters, and of the histological and TP53 or BRCA1/2 mutational status. Moreover, increased expression of LINC01087 predicted a better prognosis in luminal BCs, while TNBC tumors that harbored lower levels of LINC01087 were associated with reduced relapse-free survival. Furthermore, bioinformatics analyses were performed on TNBC and luminal BC samples and suggested that the putative tumor suppressor activity of LINC01087 may rely on interferences with pathways involved in cell survival, proliferation, adhesion, invasion, inflammation and drug sensitivity. Altogether, these data suggest that the assessment of LINC01087 deregulation could represent a novel, specific and promising biomarker not only for the diagnosis and prognosis of luminal BC subtypes and TNBCs, but also as a predictive biomarker of pharmacological interventions.
journal_name
Pharmacol Resjournal_title
Pharmacological researchauthors
De Palma FDE,Del Monaco V,Pol JG,Kremer M,D'Argenio V,Stoll G,Montanaro D,Uszczyńska-Ratajczak B,Klein CC,Vlasova A,Botti G,D'Aiuto M,Baldi A,Guigó R,Kroemer G,Maiuri MC,Salvatore Fdoi
10.1016/j.phrs.2020.105249subject
Has Abstractpub_date
2020-11-01 00:00:00pages
105249eissn
1043-6618issn
1096-1186pii
S1043-6618(20)31557-7journal_volume
161pub_type
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