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9juu

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Inhibition of the bromodomain of the cAMP response element binding protein (CREB)-binding protein (CBP) and its homologue p300 is an attractive therapeutic approach in oncology, particularly in acute myeloid leukemia (AML). In this study we describe the design, optimization, and evaluation of 5-imidazole-3-methylbenz[d]isoxazoles as novel, potent and selective CBP/p300 bromodomain inhibitors. Two of the representative compounds, 16t (Y16524) and 16u (Y16526), bound to the p300 bromodomain with IC(50) values of 0.01 and 0.03 muM, respectively. Furthermore, 16t and 16u potently inhibited the growth of AML cell lines, particularly MV4;11 cells with IC(50) values of 0.49 and 0.26 muM, respectively. The potent CBP/p300 bromodomain inhibitors represent a new class of compounds for the development of potential therapeutics against AML.
Inhibition of the bromodomain of the cAMP response element binding protein (CREB)-binding protein (CBP) and its homologue p300 is an attractive therapeutic approach in oncology, particularly in acute myeloid leukemia (AML). In this study we describe the design, optimization, and evaluation of 5-imidazole-3-methylbenz[d]isoxazoles as novel, potent and selective CBP/p300 bromodomain inhibitors. Two of the representative compounds, 16t (Y16524) and 16u (Y16526), bound to the p300 bromodomain with IC(50) values of 0.01 and 0.03 muM, respectively. Furthermore, 16t and 16u potently inhibited the growth of AML cell lines, particularly MV4;11 cells with IC(50) values of 0.49 and 0.26 muM, respectively. The potent CBP/p300 bromodomain inhibitors represent a new class of compounds for the development of potential therapeutics against AML.
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Discovery of 5-imidazole-3-methylbenz[d]isoxazole derivatives as potent and selective CBP/p300 bromodomain inhibitors for the treatment of acute myeloid leukemia.,Hu JK, Tang X, Luo GL, Zhang C, Wu TB, Wang C, Shen H, Zhao XF, Wu XS, Smaill JB, Xu Y, Zhang Y, Xiang QP Acta Pharmacol Sin. 2025 Jan 31. doi: 10.1038/s41401-025-01478-x. PMID:39890943<ref>PMID:39890943</ref>
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, PMID:39890943<ref>PMID:39890943</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>

Current revision

X-ray crystal structure of Y16515 in CBP

PDB ID 9juu

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