miR-124 and VAMP3 Act Antagonistically in Human Neuroblastoma

Xiaoxiao Zhang, Chengyong Yang, Zhen Meng, Huanhuan Zhong, Xutian Hou, Fenfen Wang, Yiping Lu, Jingjing Guo, Yan Zeng

Research output: Contribution to journalArticlepeer-review

Abstract

Neuroblastoma (NB) is the most common extracranial solid tumor that affects developing nerve cells in the fetus, infants, and children. miR-124 is a microRNA (miRNA) enriched in neuronal tissues, and VAMP3 (vesicle-associated membrane protein 3) has been reported to be an miR-124 target, although the relationship between NB and miR-124 or VAMP3 is unknown. Our current work identified that miR-124 levels are high in NB cases and that elevated miR-124 correlates with worse NB outcomes. Conversely, depressed VAMP3 correlates with worse NB outcomes. To investigate the mechanisms by which miR-124 and VAMP3 regulate NB, we altered miR-124 or VAMP3 expression in human NB cells and observed that increased miR-124 and reduced VAMP3 stimulated cell proliferation and suppressed apoptosis, while increased VAMP3 had the opposite effects. Genome-wide mRNA expression analyses identified gene and pathway changes which might explain the NB cell phenotypes. Together, our studies suggest that miR-124 and VAMP3 could be potential new markers of NB and targets of NB treatments.

Original languageEnglish
Article number14877
JournalInternational Journal of Molecular Sciences
Volume24
Issue number19
DOIs
Publication statusPublished - Oct 2023

Keywords

  • VAMP3
  • apoptosis
  • gene expression
  • miR-124
  • neuroblastoma

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