Cited by 254Advanced Proteomics Techniques and ApplicationsHistone Deacetylase Inhibitors ResearchProtein Degradation and Inhibitors

Thermal profiling reveals phenylalanine hydroxylase as an off-target of panobinostat

Open access
Becher, Isabelle, Werner, Thilo, Doce, Carola, Zaal, Esther A, Tögel, Ina, Khan, Crystal A, Rueger, Anne, Muelbaier, Marcel +5 more·2016·Nature Chemical Biology

Abstract

We describe a two-dimensional thermal proteome profiling strategy that can be combined with an orthogonal chemoproteomics approach to enable comprehensive target profiling of the marketed histone deacetylase inhibitor panobinostat. The N-hydroxycinnamide moiety is identified as critical for potent and tetrahydrobiopterin-competitive inhibition of phenylalanine hydroxylase leading to increases in phenylalanine and decreases in tyrosine levels. These findings provide a rationale for adverse clinical observations and suggest repurposing of the drug for treatment of tyrosinemia.

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Crossref · 10.1038/nchembio.2185

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  • TTC38 has been previously identified as an off-target of the HDAC inhibitor panobinostat and was found herein to display stereoselective interaction with the (S)-4 probe that was blocked by panobinostat.

    “Consider TTC38, for instance, a poorly characterized protein that has been previously identified as an off-target of the HDAC inhibitor panobinostat36 and found herein to display stereoselective interaction with the (S)-4 probe that was blocked by panobinostat.”

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Authors
Becher, I., Werner, T., Doce, C., Zaal, E. A., Tögel, I., Khan, C. A., Rueger, A., Muelbaier, M., Salzer, E., Berkers, C. R., Fitzpatrick, P. F., Bantscheff, M., & Savitski, M. M.
Affiliations
  • European Molecular Biology Laboratory (DE)
  • Utrecht University (NL)
  • The University of Texas at San Antonio Health Science Center (US)
Corresponding author
  • Bantscheff, Marcus
  • Savitski, Mikhail M
Venue
Nature Chemical Biology
Published
2016-09-26
Volume
12
Issue
11
Pages
908-910
ISSN
  • 1552-4450 (ISSN-L)
  • 1552-4469
OpenAlex
W2524972396
Cited by
251
References
30
Citations by year
2026: 19 · 2025: 21 · 2024: 33 · 2023: 30 · 2022: 25 · 2021: 29 · 2020: 41 · 2019: 27 · 2018: 20 · 2017: 5 · 2016: 1
FWCI
8.80
Type
journal article
Language
en
Open access
Locations
  • Nature Chemical Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Utrecht University Repository (Utrecht University) (submittedVersion, other-oa)
  • Utrecht University Repository (Utrecht University) (submittedVersion)
Topics
  • Physical Sciences › Chemistry › Spectroscopy › Advanced Proteomics Techniques and Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Histone Deacetylase Inhibitors Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Degradation and Inhibitors
Keywords
phenylalanine hydroxylase, panobinostat, off-target effects, histone deacetylase inhibitors, thermal proteome profiling, chemoproteomics, thermal shift assay, tyrosinemia, drug repurposing, phenylalanine metabolism
MeSH terms
Panobinostat, Dose-Response Relationship, Drug, Humans, Hydroxamic Acids, Indoles, Phenylalanine Hydroxylase, Structure-Activity Relationship, Temperature, Molecular Structure, Histone Deacetylase Inhibitors, Hep G2 Cells

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