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Supplementary Table 2 from Identification of Lethal microRNAs Specific for Head and Neck Cancer

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posted on 2023-03-31, 17:37 authored by Marlon Lindenbergh-van der Plas, Sanne R. Martens-de Kemp, Michiel de Maaker, Wessel N. van Wieringen, Bauke Ylstra, Reuven Agami, Francesco Cerisoli, C. René Leemans, Boudewijn J.M. Braakhuis, Ruud H. Brakenhoff

PDF file, 732K, Differentially expressed genes group A microRNAs.

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ARTICLE ABSTRACT

Purpose: The prognosis of head and neck squamous cell carcinomas (HNSCC) remains disappointing and the development of novel anti-cancer agents is urgently awaited. We identified by a functional genetic screen microRNAs that are selectively lethal for head and neck cancer cells but not for normal cells. We further investigated the genes targeted by these microRNAs.Experimental Design: A retroviral expression library of human microRNAs was introduced in HNSCC cell lines and normal oropharyngeal keratinocytes to identify tumor-selective lethal microRNAs. Potential downstream gene targets of these microRNAs were identified by gene expression profiling and validated by functional assays.Results: We identified six microRNAs that selectively inhibit proliferation of head and neck cancer cells. By gene expression profiling and 3′-untranslated region (UTR) luciferase reporter assays, we showed that the ataxia telangiectasia mutated (ATM) gene is a common target for at least two and likely three of these microRNAs. Specific inhibition of ATM resulted in a similar tumor-specific lethal effect, whereas the phenotype was reverted in rescue experiments.Conclusions: These six microRNAs might be developed as novel anti-cancer agents and highlight ATM as an interesting novel therapeutic target for head and neck cancer. Clin Cancer Res; 19(20); 5647–57. ©2013 AACR.

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