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Methods for screening cereblon modifying compounds

A technology of compounds and proteins, applied in biochemical equipment and methods, biological testing, pharmaceutical formulations, etc.

Pending Publication Date: 2020-08-21
CELGENE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Its defective activity causes repair defects in patients with xeroderma pigmentosa complementation group E (XPE)

Method used

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  • Methods for screening cereblon modifying compounds
  • Methods for screening cereblon modifying compounds
  • Methods for screening cereblon modifying compounds

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[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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Abstract

A method of screening a cereblon modifying compound for treating a disease or disorder, comprising: obtaining a sample; determining a first protein level of SALL4; administering the cereblon modifyingcompound to the sample; determining a second protein level of SALL4; comparing the first level and the second protein level of SALL4 to determine if the cereblon modifying compound induces degradation of SALL4; and selecting the cereblon modifying compound that does not induce degradation of SALL4.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority to U.S. Provisional Patent Application No. 62 / 617,112, filed January 12, 2018, and U.S. Provisional Patent Application No. 62 / 710,401, filed February 16, 2018, the disclosure of each Provisional Patent Application The contents are incorporated herein by reference in their entirety. [0003] sequence listing [0004] This application incorporates by reference the Sequence Listing, which is filed with this application as a text file entitled 14247-269-228_SEQ_LISTING.txt, created on January 8, 2019 and is 57,330 bytes in size . [0005] 1. Technical field [0006] In certain embodiments, provided herein are methods for screening for cerebellar protein-modifying compounds that have a reduced risk of inducing teratogenicity. In certain embodiments, methods for determining whether a cerebellin-modifying compound induces a teratogenic effect are also provided. [0007] 2. Back...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/50A61K45/06
CPCG01N33/5017G01N2800/385C12N9/104G01N33/6872G01N33/574G01N2440/36G01N2333/91074G01N2333/46G01N33/502G01N33/5014
Inventor 玛丽·马蒂斯基拉菲利普·张伯伦苏珊娜·斯图里尼·科托陆刚凯瑟琳·斯坦普菲利普·J·谢拉特朱莉娅·胡伊
Owner CELGENE CORP
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