Absence of mutations in cereblon (CRBN) and DNA damage-binding protein 1 (DDB1) genes and significance for IMiD therapy
Copyright policy )Absence of mutations in cereblon (CRBN) and DNA damage-binding protein 1 (DDB1) genes and significance for IMiD therapy
Thalidomide and the IMiD immunomodulatory drugs, lenalidomide and pomalidomide, are widely used in the treatment of multiple myeloma (MM), del(5q) myelodysplastic syndromes and other hematologic malignancies, including mantle cell lymphoma. Ito et al.1 recently identified cereblon as a key target of thalidomide. Subsequent studies confirmed cereblon to be a common target for lenalidomide and pomalidomide, and established its essential role in mediating anticancer and immunomodulatory effects of these drugs.2, 3 Cereblon is encoded by the CRBN gene on chromosome 3 containing 11 exons, and the fully spliced transcript produces a 51-kDa protein. Cereblon is a component of the cullin ring E3 ubiquitin ligase complex (CRL4CRBN) that also contains DNA damage-binding protein 1 (DDB1), cullin (Cul) 4a and regulator of cullins (Roc) 1.1 E3 ligases attach ubiquitin moieties to specific substrate proteins in the cell that can mark them for proteasomal degradation. The putative role of cereblon within the E3 ligase complex is that of a substrate receptor.
- King's College London United Kingdom
- King’s University United States
- The University of Texas MD Anderson Cancer Center United States
- Kings College London, University of London United Kingdom
- King's College Hospital United Kingdom
Ubiquitin-Protein Ligases, 610, Thalidomide, DNA-Binding Proteins, Adjuvants, Immunologic, Mutation, Humans, Letter to the Editor, Lenalidomide, Adaptor Proteins, Signal Transducing, Peptide Hydrolases
Ubiquitin-Protein Ligases, 610, Thalidomide, DNA-Binding Proteins, Adjuvants, Immunologic, Mutation, Humans, Letter to the Editor, Lenalidomide, Adaptor Proteins, Signal Transducing, Peptide Hydrolases
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