Cited by 1,066Histone Deacetylase Inhibitors ResearchMicrotubule and mitosis dynamicsSynthesis and biological activity

Domain-selective small-molecule inhibitor of histone deacetylase 6 (HDAC6)-mediated tubulin deacetylation

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Haggarty, Stephen J., Koeller, Kathryn M., Wong, Jason C., Grozinger, Christina M., Schreiber, Stuart L.·2003·Proceedings of the National Academy of Sciences

Abstract

Protein acetylation, especially histone acetylation, is the subject of both research and clinical investigation. At least four small-molecule histone deacetylase inhibitors are currently in clinical trials for the treatment of cancer. These and other inhibitors also affect microtubule acetylation. A multidimensional, chemical genetic screen of 7,392 small molecules was used to discover “tubacin,” which inhibits α-tubulin deacetylation in mammalian cells. Tubacin does not affect the level of histone acetylation, gene-expression patterns, or cell-cycle progression. We provide evidence that class II histone deacetylase 6 (HDAC6) is the intracellular target of tubacin. Only one of the two catalytic domains of HDAC6 possesses tubulin deacetylase activity, and only this domain is bound by tubacin. Tubacin treatment did not affect the stability of microtubules but did decrease cell motility. HDAC6 overexpression disrupted the localization of p58, a protein that mediates binding of Golgi elements to microtubules. Our results highlight the role of α-tubulin acetylation in mediating the localization of microtubule-associated proteins. They also suggest that small molecules that selectively inhibit HDAC6-mediated α-tubulin deacetylation, a first example of which is tubacin, might have therapeutic applications as antimetastatic and antiangiogenic agents.

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Authors
Haggarty, S. J., Koeller, K. M., Wong, J. C., Grozinger, C. M., & Schreiber, S. L.
Affiliations
Howard Hughes Medical Institute (US)
Venue
Proceedings of the National Academy of Sciences
Published
2003-04-03
Volume
100
Issue
8
Pages
4389-4394
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2101127235
Cited by
1,066
References
33
Citations by year
2026: 29 · 2025: 22 · 2024: 30 · 2023: 33 · 2022: 29 · 2021: 32 · 2020: 50 · 2019: 39 · 2018: 55 · 2017: 54 · 2016: 47 · 2015: 70 · 2014: 53 · 2013: 59 · 2012: 58
FWCI
13.10
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Histone Deacetylase Inhibitors Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Microtubule and mitosis dynamics
  • Physical Sciences › Chemistry › Organic Chemistry › Synthesis and biological activity
Keywords
tubacin, HDAC6, alpha-tubulin deacetylation, microtubule acetylation, small molecule inhibitors, chemical genetic screen, p58, cell motility, anti-metastatic agents, angiogenesis inhibitors, histone deacetylase inhibitors
MeSH terms
Histone Deacetylase 6, Acetylation, Anilides, Animals, Cell Cycle, Cell Line, Dioxanes, Drug Evaluation, Preclinical, Enzyme Inhibitors, Histone Deacetylases, Humans, Hydroxamic Acids, Microtubule-Associated Proteins, Microtubules, Recombinant Proteins, Tubulin, Gene Expression, 3T3 Cells, Protein Structure, Tertiary, Jurkat Cells, Mice, Histone Deacetylase Inhibitors

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