Methods for screening cereblon modifying compounds
A technology of compounds and proteins, applied in biochemical equipment and methods, biological testing, pharmaceutical formulations, etc.
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[0052] The methods provided herein are based in part on the discovery that SALL4 is a direct and compound-dependent substrate for cerebellin-CRL4 ubiquitination. For example, as shown in the Examples in Section 6, thalidomide treatment downregulated SALL4 in rabbit testes and rabbit embryos during development. The data presented herein suggest that SALL4 downregulation is a major driver of teratogenicity induced by treatment with cerebellar protein modifying compounds such as thalidomide. Therefore, SALL4 levels can be used to determine the toxicity of cerebellin-modified compounds, thereby allowing screening and selection of compounds with reduced risk of reproductive toxicity and / or embryopathy.
[0053] 5.1 Definition
[0054] The term "cerebellin" or "CRBN" and similar terms refer to a polypeptide ("polypeptide", "peptide" and "protein" are used interchangeably herein) comprising the amino acid sequence of any CRBN, such as the human CRBN protein (e.g. human CRBN isoform...
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