Changing the selectivity of p300 by acetyl-CoA modulation of histone acetylation.
Changing the selectivity of p300 by acetyl-CoA modulation of histone acetylation.
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DOI:
10.1021/cb500726b
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发表时间:
2015-01-16
影响因子:
4
通讯作者:
Andrews, Andrew J.
中科院分区:
文献类型:
--
作者:
Henry, Ryan A.;Kuo, Yin-Ming;Bhattacharjee, Vikram;Yen, Timothy J.;Andrews, Andrew J.
Determining how histone acetylation is regulated is vital for treating the many diseases associated with its misregulation, including heart disease, neurological disorders, and cancer. We have previously reported that acetyl-CoA levels alter p300 histone acetylation in a site-specific manner in vitro. Here we further investigate how changing acetyl-CoA concentrations alter the histone acetylation pattern by altering p300 specificity. Interestingly, these changes are not a simple global change in acetylation, but rather site specific changes, whereby acetylation at some sites increase while others decrease. We also demonstrate how the p300 inhibitor C646 can pharmacologically alter p300 histone acetylation patterns in vitro and in cells. This study provides insight into the mechanisms regulating p300 residue specificity, a potential means for altering p300 dependent histone acetylation, and an investigation into altering histone acetylation patterns in cells.
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通讯作者:
FISHER, JR