Cited by 137Protein Degradation and InhibitorsPharmacological Effects and Toxicity StudiesDevelopmental Biology and Gene Regulation

p63 is a cereblon substrate involved in thalidomide teratogenicity

Asatsuma-Okumura, Tomoko, Ando, Hideki, De Simone, Marco, Yamamoto, Junichi, Sato, Tomomi, Shimizu, Nobuyuki, Asakawa, Kazuhide, Yamaguchi, Yuki +3 more·2019·Nature Chemical Biology

Abstract

Cereblon (CRBN) is a primary target of thalidomide and mediates its multiple pharmacological activities, including teratogenic and antimyeloma activities. CRBN functions as a substrate receptor of the E3 ubiquitin ligase CRL4, whose substrate specificity is modulated by thalidomide and its analogs. Although a number of CRL4 CRBN substrates have recently been identified, the substrate involved in thalidomide teratogenicity is unclear. Here we show that p63 isoforms are thalidomide-dependent CRL4 CRBN neosubstrates that are responsible, at least in part, for its teratogenic effects. The p53 family member p63 is associated with multiple developmental processes. ∆Np63α is essential for limb development, while TAp63α is important for cochlea development and hearing. Using a zebrafish model, we demonstrate that thalidomide exerts its teratogenic effects on pectoral fins and otic vesicles by inducing the degradation of ∆Np63α and TAp63α, respectively. These results may contribute to the invention of new thalidomide analogs lacking teratogenic activity.

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Crossref · 10.1038/s41589-019-0366-7

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Authors
Asatsuma-Okumura, T., Ando, H., De Simone, M., Yamamoto, J., Sato, T., Shimizu, N., Asakawa, K., Yamaguchi, Y., Ito, T., Guerrini, L., & Handa, H.
Affiliations
  • Tokyo Medical University (JP)
  • Tokyo Institute of Technology (JP)
  • University of Milan (IT)
Corresponding author
  • Guerrini, Luisa
  • Handa, Hiroshi
Venue
Nature Chemical Biology
Published
2019-10-07
Volume
15
Issue
11
Pages
1077-1084
ISSN
  • 1552-4450 (ISSN-L)
  • 1552-4469
OpenAlex
W2978105110
Cited by
134
References
50
Citations by year
2026: 6 · 2025: 23 · 2024: 14 · 2023: 19 · 2022: 23 · 2021: 24 · 2020: 25
FWCI
5.96
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Chemical Biology (publishedVersion)
  • PubMed (publishedVersion)
Funders
MEXT | Japan Society for the Promotion of Science (15H04288, 17K14996, 17H06112, S1411011)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Degradation and Inhibitors
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Pharmacological Effects and Toxicity Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
Keywords
thalidomide, cereblon, p63, teratogenicity, p53 family, ΔNp63α, TAp63α, limb development, cochlear development, zebrafish, thalidomide analogues
MeSH terms
Humans, Membrane Proteins, Substrate Specificity, Teratogens, Thalidomide, HEK293 Cells

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