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The identification of growth-promoting lncRNAs in oral cavity squamous cell carcinoma.

Ronghao Chen·Chenyu Lin·Ganesh Koshre·Bhavna Kumar·James W Rocco·Wayne O Miles
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Abstract

Oral Cavity Squamous Cell Carcinoma (OCSCC) is an aggressive tumor that develops within the mouth of patients. Tumor-suppressor gene loss and genomic arrangements fuel tumorigenesis and transcriptional reprogramming. Understanding how these alterations contribute to OCSCC growth and cell survival may identify new therapeutic vulnerabilities or biomarkers. We profiled the role of long non-coding RNAs (lncRNAs) in the growth of three OCSCC cell lines using a CRISPRi-screen and identified 19 lncRNAs that contribute to OCSCC proliferation. By comparing these lncRNAs to other screens, we find that these lncRNAs are uniquely required in OCSCC and not other malignancies. We show that these lncRNAs are abundantly expressed in OCSCC cells and tumors. Independent testing of candidate lncRNAs confirms their role in supporting OCSCC growth. Our results show that a novel subset of lncRNAs are required for the growth of OCSCC cancer cells and that these lncRNAs are cell lineage specific.

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Ronghao Chen, Chenyu Lin, Ganesh Koshre, Bhavna Kumar, James W Rocco, Wayne O Miles. 2026-08-27. The identification of growth-promoting lncRNAs in oral cavity squamous cell carcinoma.. https://doi.org/10.1016/j.ncrna.2026.08.001

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