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Expression and function of c1orf132 long-noncoding rna in breast cancer cell lines and tissues
, Article International Journal of Molecular Sciences ; Volume 22, Issue 13 , 2021 ; 16616596 (ISSN) ; Sharifi Zarchi, A ; Rahmani, S ; Nafissi, N ; Mowla, S. J ; Lauria, A ; Oliviero, S ; Matin, M. M ; Sharif University of Technology
MDPI
2021
Abstract
miR-29b2 and miR-29c play a suppressive role in breast cancer progression. C1orf132 (also named MIR29B2CHG) is the host gene for generating both microRNAs. However, the region also expresses longer transcripts with unknown functions. We employed bioinformatics and experimental approaches to decipher C1orf132 expression and function in breast cancer tissues. We also used the CRISPR/Cas9 technique to excise a predicted C1orf132 distal promoter and followed the behavior of the edited cells by real-time PCR, flow cytometry, migration assay, and RNA-seq techniques. We observed that C1orf132 long transcript is significantly downregulated in triple-negative breast cancer. We also identified a...