N6-methyladenine- Induced LINC00667 Promoted Breast Cancer Progression Through M6A/KIAA1429 Positive Feedback Loop

Overview

Journal Bioengineered

Date 2023 Jan 26

PMID 36700472

Authors

Saiyu Ren

Yuxing Zhang

Xiaodong Yang

Xue Li

Yuexin Zheng

Yun Liu

Xiliang Zhang

Affiliations

Soon will be listed here.

Abstract

Increasing evidence supports that N-methyladenine (mA) and long noncoding RNAs (lncRNAs) both act as master regulators involved in breast cancer (BC) tumorigenesis at epigenetic modification level. Here, our research tries to unveil the interaction of mA and lncRNAs on BC progression and explore the underlying regulatory mechanism. In the current study, we found that LINC00667 was mA-modified lncRNA, which was up-regulated upon the overexpression of KIAA1429. The high expression of LINC00667 was correlated with the prognosis of BC patients. Bio-functional assays indicated that LINC00667 promoted the proliferation and migration of BC cells. Mechanistic assays illustrated that KIAA1429 targeted the mA modification site of LINC00667 and enhanced its mRNA stability. Moreover, LINC00667 positively regulated the KIAA1429 via sponging miR-556-5p, forming a KIAA1429/mA/LINC00667/miR-556-5p feedback loop. Collectively, the central findings of our study suggest that KIAA1429-induced LINC00667 exerted its functions as an oncogene in BC progression through mA-dependent feedback loop.

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