%0 Journal Article %A Fuso, Paola %A Di Salvatore, Mariantonietta %A Santonocito, Concetta %A Guarino, Donatella %A Autilio, Chiara %A Mulè, Antonino %A Arciuolo, Damiano %A Rinninella, Antonina %A Mignone, Flavio %A Ramundo, Matteo %A Di Stefano, Brunella %A Orlandi, Armando %A Capoluongo, Ettore %A Nicolotti, Nicola %A Franceschini, Gianluca %A Martín Sánchez, Alejandro %A Tortora, Giampaolo %A Scambia, Giovanni %A Barone, Carlo %A Cassano, Alessandra %T Let-7a-5p, miR-100-5p, miR-101-3p, and miR-199a-3p Hyperexpression as Potential Predictive Biomarkers in Early Breast Cancer Patients %D 2021 %@ 2075-4426 %U https://hdl.handle.net/20.500.14352/4934 %X Background: The aim of this study is to identify miRNAs able to predict the outcomes in breast cancer patients after neoadjuvant chemotherapy (NAC).Patients and methods: We retrospectively analyzed 24 patients receiving NAC and not reaching pathologic complete response (pCR). miRNAs were analyzed using an Illumina Next-Generation-Sequencing (NGS) system.Results: Event-free survival (EFS) and overall survival (OS) were significantly higher in patients with up-regulation of let-7a-5p (EFS p = 0.006; OS p = 0.0001), mirR-100-5p (EFS s p = 0.01; OS p = 0.03), miR-101-3p (EFS p = 0.05; OS p = 0.01), and miR-199a-3p (EFS p = 0.02; OS p = 0.01) in post-NAC samples, independently from breast cancer subtypes. At multivariate analysis, only let-7a-5p was significantly associated with EFS (p = 0.009) and OS (p = 0.0008). Conclusion: Up-regulation of the above miRNAs could represent biomarkers in breast cancer. %~