4.6 Article

Long noncoding RNA FAM225A promotes the malignant progression of gastric cancer through the miR-326/PADI2 axis

Journal

CELL DEATH DISCOVERY
Volume 8, Issue 1, Pages -

Publisher

SPRINGERNATURE
DOI: 10.1038/s41420-021-00809-1

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Funding

  1. National Nature Science Foundation of China [81874219, LC2019002]

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This study found that FAM225A is associated with gastric cancer, and high expression is correlated with poor prognosis. FAM225A promotes gastric cell proliferation, invasion, and migration. Mechanistic investigation revealed that FAM225A acts as a competitive endogenous RNA network of FAM225A/miR-326/PADI2 to promote the development and progression of gastric cancer.
Gastric cancer (GC) is a global health problem and further studies of its molecular mechanisms are needed to identify effective therapeutic targets. Although some long noncoding RNAs (lncRNAs) have been found to be involved in the progression of GC, the molecular mechanisms of many GC-related lncRNAs remain unclear. In this study, a series of in vivo and in vitro assays were performed to study the relationship between FAM225A and GC, which showed that FAM225A levels were correlated with poor prognosis in GC. Higher FAM225A expression tended to be correlated with a more profound lymphatic metastasis rate, larger tumor size, and more advanced tumor stage. FAM225A also promoted gastric cell proliferation, invasion, and migration. Further mechanistic investigation showed that FAM225A acted as a miR-326 sponge to upregulate its direct target PADI2 in GC. Overall, our findings indicated that FAM225A promoted GC development and progression via a competitive endogenous RNA network of FAM225A/miR-326/PADI2 in GC, providing insight into possible therapeutic targets and prognosis of GC.

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