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Histone Arg Modifications and p53 Regulate the Expression of OKL38, a Mediator of Apoptosis

Open access
Yao, Hongjie, Li, Pingxin, Venters, Bryan J., Zheng, Suting, Thompson, Paul R., Pugh, B. Franklin, Wang, Yanming·2008·Journal of Biological Chemistry

Abstract

Protein Arg methyltransferases function as coactivators of the tumor suppressor p53 to regulate gene expression. Peptidylarginine deiminase 4 (PAD4/PADI4) counteracts the functions of protein Arg methyltransferases in gene regulation by deimination and demethylimination. Here we show that the expression of a tumor suppressor gene, OKL38, is activated by the inhibition of PAD4 or the activation of p53 following DNA damage. Chromatin immunoprecipitation assays showed a dynamic change of p53 and PAD4 occupancy and histone Arg modifications at the OKL38 promoter during DNA damage, suggesting a direct role of PAD4 and p53 in the expression of OKL38. Furthermore, we found that OKL38 induces apoptosis through localization to mitochondria and induction of cytochrome c release. Together, our studies identify OKL38 as a novel p53 target gene that is regulated by PAD4 and plays a role in apoptosis.

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Metadata

Authors
Yao, H., Li, P., Venters, B. J., Zheng, S., Thompson, P. R., Pugh, B. F., & Wang, Y.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2008-07
Volume
283
Issue
29
Pages
20060-20068
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2057896776
Cited by
160
References
4
FWCI
3.97
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Histone Arg Modifications and p53 Regulate the Expression of OKL38, a Mediator of Apoptosis. https://app.cochat.ai/papers/10.1074/jbc.m802940200
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Yao, H., Li, P., Venters, B. J., Zheng, S., Thompson, P. R., Pugh, B. F., & Wang, Y. (2008). Histone Arg Modifications and p53 Regulate the Expression of OKL38, a Mediator of Apoptosis. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.m802940200

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