Cerulenin suppresses ErbB2-overexpressing breast cancer by targeting ErbB2/PKM2 pathway. 2022

Sinan Lv, and Yunwu Zhang, and Jiawei Song, and Jingruo Chen, and Bohan Huang, and Yuhan Luo, and Yuhua Zhao
Department of Biochemistry and Molecular Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, No. 17, Section 3, South Renmin Road, Chengdu, 610041, China.

Cerulenin is a fungal metabolite and a specific inhibitor of fatty acid synthase (FASN), which has shown a potential anticancer activity. 20-25% of breast cancer patients with ErbB2-overexpressing develop resistance to treatment. Therefore, it is urgent to find an effective new target for the treatment of ErbB2-overexpressing breast cancer. Our previous study found that cerulenin inhibits the glycolysis and migration of SK-BR-3 cells, but the effect of cerulenin on other malignant phenotypes of breast cancer is still unknown. Furthermore, the mechanism by which cerulenin displays its inhibitory effects is not fully understood. In this study, we systematically investigate the inhibitory effects of cerulenin on proliferation, migration, invasion and glycolysis of ErbB2-overexpressing breast cancer cells and its molecular mechanism. We found that cerulenin obviously suppresses the proliferation, migration, invasion as well as glycolysis. Through bioinformatic analyses, we found that PKM2 might be a target of cerulenin. In addition, ErbB2 and its signaling pathway upregulated PKM2 protein levels. Furthermore, we demonstrated that cerulenin downregulated the protein levels of ErbB2, PKM2 and EMT markers (MMP9, MMP2 and Snail2) in a dose- and time-dependent manner. Finally, the inhibitory of cerulenin on colony formation, migration, invasion and glycolysis, as well as protein levels of EMT markers were rescued by replenishing with PKM2. These findings illustrated that cerulenin inhibits proliferation, migration, invasion and glycolysis by targeting ErbB2/PKM2 pathway in ErbB2-overexpressing breast cancer cells.

UI MeSH Term Description Entries
D001943 Breast Neoplasms Tumors or cancer of the human BREAST. Breast Cancer,Breast Tumors,Cancer of Breast,Breast Carcinoma,Cancer of the Breast,Human Mammary Carcinoma,Malignant Neoplasm of Breast,Malignant Tumor of Breast,Mammary Cancer,Mammary Carcinoma, Human,Mammary Neoplasm, Human,Mammary Neoplasms, Human,Neoplasms, Breast,Tumors, Breast,Breast Carcinomas,Breast Malignant Neoplasm,Breast Malignant Neoplasms,Breast Malignant Tumor,Breast Malignant Tumors,Breast Neoplasm,Breast Tumor,Cancer, Breast,Cancer, Mammary,Cancers, Mammary,Carcinoma, Breast,Carcinoma, Human Mammary,Carcinomas, Breast,Carcinomas, Human Mammary,Human Mammary Carcinomas,Human Mammary Neoplasm,Human Mammary Neoplasms,Mammary Cancers,Mammary Carcinomas, Human,Neoplasm, Breast,Neoplasm, Human Mammary,Neoplasms, Human Mammary,Tumor, Breast
D002569 Cerulenin An epoxydodecadienamide isolated from several species, including ACREMONIUM, Acrocylindrum, and Helicoceras. It inhibits the biosynthesis of several lipids by interfering with enzyme function. 2,3-Epoxy-4-oxo-7,10-dodecadienoylamide
D006019 Glycolysis A metabolic process that converts GLUCOSE into two molecules of PYRUVIC ACID through a series of enzymatic reactions. Energy generated by this process is conserved in two molecules of ATP. Glycolysis is the universal catabolic pathway for glucose, free glucose, or glucose derived from complex CARBOHYDRATES, such as GLYCOGEN and STARCH. Embden-Meyerhof Pathway,Embden-Meyerhof-Parnas Pathway,Embden Meyerhof Parnas Pathway,Embden Meyerhof Pathway,Embden-Meyerhof Pathways,Pathway, Embden-Meyerhof,Pathway, Embden-Meyerhof-Parnas,Pathways, Embden-Meyerhof
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000097810 Thyroid Hormone-Binding Proteins Membrane-bound proteins found in the ENDOPLASMIC RETICULUM of CULTURED CELLS and NEOPLASMS. They were identified originally based on their capacity to bind THYROID HORMONE. 3,5,3'-triiodothyronine-Binding Protein,Cytosolic Thyroid Hormone-Binding Protein,Pyruvate Kinase Muscle Isozyme,Pyruvate Kinase, M1 Isozyme,T3-Binding Protein p55,T4-Binding Protein p55,Thyroid Hormone-Binding Protein,Thyroid Hormone-Binding Protein p55,Thyroid Hormone-Binding Protein p58,Triiodothyronine-Binding Protein p55
D015398 Signal Transduction The intracellular transfer of information (biological activation/inhibition) through a signal pathway. In each signal transduction system, an activation/inhibition signal from a biologically active molecule (hormone, neurotransmitter) is mediated via the coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal transduction plays an important role in activating cellular functions, cell differentiation, and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell activation pathway, and the receptor-mediated activation of phospholipases. Those coupled to membrane depolarization or intracellular release of calcium include the receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic potentiation of protein kinase activation. Some signal transduction pathways may be part of larger signal transduction pathways; for example, protein kinase activation is part of the platelet activation signal pathway. Cell Signaling,Receptor-Mediated Signal Transduction,Signal Pathways,Receptor Mediated Signal Transduction,Signal Transduction Pathways,Signal Transduction Systems,Pathway, Signal,Pathway, Signal Transduction,Pathways, Signal,Pathways, Signal Transduction,Receptor-Mediated Signal Transductions,Signal Pathway,Signal Transduction Pathway,Signal Transduction System,Signal Transduction, Receptor-Mediated,Signal Transductions,Signal Transductions, Receptor-Mediated,System, Signal Transduction,Systems, Signal Transduction,Transduction, Signal,Transductions, Signal
D045744 Cell Line, Tumor A cell line derived from cultured tumor cells. Tumor Cell Line,Cell Lines, Tumor,Line, Tumor Cell,Lines, Tumor Cell,Tumor Cell Lines
D049109 Cell Proliferation All of the processes involved in increasing CELL NUMBER including CELL DIVISION. Cell Growth in Number,Cellular Proliferation,Cell Multiplication,Cell Number Growth,Growth, Cell Number,Multiplication, Cell,Number Growth, Cell,Proliferation, Cell,Proliferation, Cellular
D018719 Receptor, ErbB-2 A cell surface protein-tyrosine kinase receptor that is overexpressed in a variety of ADENOCARCINOMAS. It has extensive homology to and heterodimerizes with the EGF RECEPTOR, the ERBB-3 RECEPTOR, and the ERBB-4 RECEPTOR. Activation of the erbB-2 receptor occurs through heterodimer formation with a ligand-bound erbB receptor family member. HER-2 Proto-Oncogene Protein,Proto-Oncogene Protein HER-2,Proto-Oncogene Protein p185(neu),c-erbB-2 Protein,erbB-2 Proto-Oncogene Protein,erbB-2 Receptor Protein-Tyrosine Kinase,neu Proto-Oncogene Protein,Antigens, CD340,CD340 Antigen,Erb-b2 Receptor Tyrosine Kinases,Metastatic Lymph Node Gene 19 Protein,Neu Receptor,Oncogene Protein HER-2,Proto-Oncogene Proteins c-erbB-2,Proto-oncogene Protein Neu,Receptor, Neu,Receptors, erbB-2,Tyrosine Kinase-type Cell Surface Receptor HER2,p185(c-neu),p185erbB2 Protein,CD340 Antigens,Erb b2 Receptor Tyrosine Kinases,ErbB-2 Receptor,HER 2 Proto Oncogene Protein,Oncogene Protein HER 2,Proto Oncogene Protein HER 2,Proto Oncogene Proteins c erbB 2,Proto-Oncogene Protein, HER-2,Proto-Oncogene Protein, erbB-2,Proto-Oncogene Protein, neu,Tyrosine Kinase type Cell Surface Receptor HER2,c erbB 2 Protein,erbB 2 Proto Oncogene Protein,erbB 2 Receptor Protein Tyrosine Kinase,erbB-2 Receptors,neu Proto Oncogene Protein
D064429 Fatty Acid Synthases Enzymes that catalyze the synthesis of FATTY ACIDS from acetyl-CoA and malonyl-CoA derivatives. Fatty Acid Synthase,Fatty Acid Synthetases,Acid Synthase, Fatty,Acid Synthases, Fatty,Synthase, Fatty Acid,Synthetases, Fatty Acid

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