Cited by 137Cancer, Lipids, and MetabolismMicrotubule and mitosis dynamicsCancer Treatment and Pharmacology

FASN Inhibition and Taxane Treatment Combine to Enhance Anti-tumor Efficacy in Diverse Xenograft Tumor Models through Disruption of Tubulin Palmitoylation and Microtubule Organization and FASN Inhibition-Mediated Effects on Oncogenic Signaling and Gene Expression

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Heuer, Timothy S., Ventura, Richard, Mordec, Kasia, Lai, Julie, Fridlib, Marina, Buckley, Douglas, Kemble, George·2017·EBioMedicine

Abstract

Palmitate, the enzymatic product of FASN, and palmitate-derived lipids support cell metabolism, membrane architecture, protein localization, and intracellular signaling. Tubulins are among many proteins that are modified post-translationally by acylation with palmitate. We show that FASN inhibition with TVB-3166 or TVB-3664 significantly reduces tubulin palmitoylation and mRNA expression. Disrupted microtubule organization in tumor cells is an additional consequence of FASN inhibition. FASN inhibition combined with taxane treatment enhances inhibition of in vitro tumor cell growth compared to treatment with either agent alone. In lung, ovarian, prostate, and pancreatic tumor xenograft studies, FASN inhibition and paclitaxel or docetaxel combine to inhibit xenograft tumor growth with significantly enhanced anti-tumor activity. Tumor regression was observed in 3 of 6 tumor xenograft models. FASN inhibition does not affect cellular taxane concentration in vitro. Our data suggest a mechanism of enhanced anti-tumor activity of the FASN and taxane drug combination that includes inhibition of tubulin palmitoylation and disruption of microtubule organization in tumor cells, as well as a sensitization of tumor cells to FASN inhibition-mediated effects that include gene expression changes and inhibition of β-catenin. Together, the results strongly support investigation of combined FASN inhibition and taxane treatment as a therapy for a variety of human cancers.

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  • Targeting FASN reduces tubulin palmitoylation, disrupts microtubule organization, and inhibits tumor cell growth.

    “Targeting FASN has been found to reduce palmitoylation of tubulin and disrupt microtubule organization, inhibiting tumor cell growth (Heuer et al., 2017).”

    From Targeting Metabolism for Cancer Therapy (2017) · cites this paper as Heuer et al., 2017

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Authors
Heuer, T. S., Ventura, R., Mordec, K., Lai, J., Fridlib, M., Buckley, D., & Kemble, G.
Corresponding author
Heuer, Timothy S.
Venue
EBioMedicine
Publisher
Elsevier BV
Published
2017-02
Volume
16
Pages
51-62
ISSN
2352-3964 (ISSN-L)
OpenAlex
W2567412474
Cited by
136
References
53
Citations by year
2026: 6 · 2025: 17 · 2024: 20 · 2023: 18 · 2022: 19 · 2021: 17 · 2020: 14 · 2019: 12 · 2018: 8 · 2017: 5
FWCI
3.47
Type
journal article
Language
en
Open access
Locations
  • EBioMedicine (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Lipids, and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Microtubule and mitosis dynamics
  • Health Sciences › Medicine › Oncology › Cancer Treatment and Pharmacology
Keywords
FASN inhibition, microtubule organization, taxanes, paclitaxel, docetaxel, combination cancer therapy, tumor xenografts, β-catenin signaling, palmitate, lung cancer, ovarian cancer, prostate cancer, pancreatic cancer
MeSH terms
A549 Cells, Animals, Antineoplastic Agents, Azetidines, Bridged-Ring Compounds, Cell Line, Enzyme Inhibitors, Female, Humans, Mice, Inbred BALB C, Mice, Nude, Microtubules, Nitriles, Phosphorylation, Pyrazoles, Tubulin, Blotting, Western, Molecular Structure, Gene Expression Regulation, Neoplastic, Microscopy, Confocal, Reverse Transcriptase Polymerase Chain Reaction, Xenograft Model Antitumor Assays, Taxoids, Cell Line, Tumor, beta Catenin, Mice, Lipoylation, Fatty Acid Synthase, Type I, Carcinogenesis

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