ArticlePeerJ2024
PKMYT1 knockdown inhibits cholesterol biosynthesis and promotes the drug sensitivity of triple-negative breast cancer cells to atorvastatin.
Article in PeerJ, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Atorvastatin as a pleiotropic anticancer agent: mechanisms, evidence, and therapeutic repurposing potential.Frontiers in immunology · 2026Review
- Cholesterol metabolism and cancer: Molecular mechanisms, immune regulation and an epidemiological perspective (Review).International journal of molecular medicine · 2025Review
- Directly reprogrammed NK cells driven by BCL11B depletion enhance targeted immunotherapy against pancreatic ductal adenocarcinoma.Journal of hematology & oncology · 2025Article
- Unveiling the impact of lipid metabolism on triple-negative breast cancer growth and treatment options.Frontiers in oncology · 2025Review
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Authors and funding
6 authors.
Funding
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Abstract
Triple negative breast cancer (TNBC) as the most aggressive molecular subtype of breast cancer is characterized by high cancer cell proliferation and poor patient prognosis. Abnormal lipid metabolism contributes to the malignant process of cancers. Study observed significantly enhanced cholesterol biosynthesis in TNBC. However, the mechanisms underlying the abnormal increase of cholesterol biosynthesis in TNBC are still unclear. Hence, we identified a member of the serine/threonine protein kinase family PKMYT1 as a key driver of cholesterol synthesis in TNBC cells. Aberrantly high-expressed PKMYT1 in TNBC was indicative of unfavorable prognostic outcomes. In addition, PKMYT1 promoted sterol regulatory element-binding protein 2 (SREBP2)-mediated expression of enzymes related to cholesterol biosynthesis through activating the TNF/ TNF receptor-associated factor 1 (TRAF1)/AKT pathway. Notably, downregulation of PKMYT1 significantly inhibited the feedback upregulation of statin-mediated cholesterol biosynthesis, whereas knockdown of PKMYT1 promoted the drug sensitivity of atorvastatin in TNBC cells. Overall, our study revealed a novel function of PKMYT1 in TNBC cholesterol biosynthesis, providing a new target for targeting tumor metabolic reprogramming in the cancer.
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Registered trials
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