Role of exosomal circular RNAs as microRNA sponges and potential targeting for suppressing hepatocellular carcinoma growth and progression
Abstract
In this editorial, we comment on the article by Lyu et al published in the recent issue of the World Journal of Gastroenterology (2023; 2219-2840). Hepatocellular carcinoma (HCC) is a frequently encountered and highly aggressive primary liver cancer, which remains the third-commonest cause of cancer-related death despite the current therapeutic modalities. There is urgency in developing novel therapeutic approaches, such as by manipulating extracellular vesicles, which constitute a highly heterogeneous nanoparticle population that contains various cargoes. These cargoes have a pivotal role in cell-to-cell communication and can modify the functional level of the recipient cells via their uptake by other recipient cells. Exosomal non-coding RNAs have particular evolving significance in HCC, such as circular RNAs, which have been found differentially expressed in normal hepatic and HCC tissues. The aberrations in their expression levels have a key role in the HCC development and progression and the overall prognosis. In this editorial, we will shed light on the emerging role of exosomal circular RNAs in HCC development and progression, focusing on the oncogenic or potentially tumor suppressive effect of mesenchymal stem cells-derived exosomal non-coding RNAs.
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