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LncRNA PAINT is associated with aggressive prostate cancer and dysregulation of cancer hallmark genes.


ABSTRACT: Long noncoding RNAs (lncRNAs) play regulatory role in cellular processes and their aberrant expression may drive cancer progression. Here we report the function of a lncRNA PAINT (prostate cancer associated intergenic noncoding transcript) in promoting prostate cancer (PCa) progression. Upregulation of PAINT was noted in advanced stage and metastatic PCa. Inhibition of PAINT decreased cell proliferation, S-phase progression, increased expression of apoptotic markers, and improved sensitivity to docetaxel and Aurora kinase inhibitor VX-680. Inhibition of PAINT decreased cell migration and reduced expression of Slug and Vimentin. Ectopic expression of PAINT suppressed E-cadherin, increased S-phase progression and cell migration. PAINT expression in PCa cells induced larger colony formation, increased tumor growth and higher expression of mesenchymal markers. Transcriptome analysis followed by qRT-PCR validation showed differentially expressed genes involved in epithelial mesenchymal transition (EMT), apoptosis and drug resistance in PAINT-expressing cells. Our study establishes an oncogenic function of PAINT in PCa.

SUBMITTER: Hasan MF 

PROVIDER: S-EPMC9211384 | biostudies-literature | 2021 Mar

REPOSITORIES: biostudies-literature

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LncRNA PAINT is associated with aggressive prostate cancer and dysregulation of cancer hallmark genes.

Hasan Md Faqrul MF   Ganapathy Kavya K   Sun Jiao J   Khatib Ayman A   Andl Thomas T   Soulakova Julia N JN   Coppola Domenico D   Zhang Wei W   Chakrabarti Ratna R  

International journal of cancer 20210317


Long noncoding RNAs (lncRNAs) play regulatory role in cellular processes and their aberrant expression may drive cancer progression. Here we report the function of a lncRNA PAINT (prostate cancer associated intergenic noncoding transcript) in promoting prostate cancer (PCa) progression. Upregulation of PAINT was noted in advanced stage and metastatic PCa. Inhibition of PAINT decreased cell proliferation, S-phase progression, increased expression of apoptotic markers, and improved sensitivity to  ...[more]

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