KDM5B promotes breast cancer cell proliferation and migration via AMPK-mediated lipid metabolism reprogramming.

08:00 EDT 9th April 2019 | BioPortfolio

Summary of "KDM5B promotes breast cancer cell proliferation and migration via AMPK-mediated lipid metabolism reprogramming."

Lysine demethylase 5B (KDM5B) is up-regulated in many cancers, including breast cancer. However, the underlying metabolic mechanisms of KDM5B on breast cancer progression are poorly understood. Here, we showed that KDM5B expression positively correlates with metastasis in breast cancer. Cell functional analyses were demonstrated that KDM5B knockdown and KDM5B inhibitor AS-8351 inhibited breast cancer cell proliferation and migration. Furthermore, we reported that KDM5B knockdown and AS-8351 reversed epithelial-mesenchymal transition (EMT) and decreased the protein levels of fatty acid synthase (FASN) and ATP citrate lyase (ACLY) in MCF-7 and MDA-MB-231 cells. Interestingly, we found that activation of AMP-activated protein kinase (AMPK) signaling pathway is involved in KDM5B-mediated EMT and lipid metabolism reprogramming in breast cancer cells. As a result, silencing of KDM5B-induced activation of AMPK signaling pathway inhibited breast cancer cell proliferation and migration. Taken together, our findings indicated that KDM5B was a novel regulator of lipid metabolism reprogramming, and it was suggested a new strategy to treat breast cancer.


Journal Details

This article was published in the following journal.

Name: Experimental cell research
ISSN: 1090-2422


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