PBK phosphorylates MSL1 to elicit epigenetic modulation of CD276 in nasopharyngeal carcinoma.
PBK phosphorylates MSL1 to elicit epigenetic modulation of CD276 in nasopharyngeal carcinoma.
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PBK 磷酸化 MSL1 以引发鼻咽癌中 CD276 的表观遗传调节
DOI:
10.1038/s41389-020-00293-9
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发表时间:
2021-01-05
期刊:
影响因子:
6.2
通讯作者:
Chen DP
中科院分区:
文献类型:
--
作者:
Wang MY;Qi B;Wang F;Lin ZR;Li MY;Yin WJ;Zhu YY;He L;Yu Y;Yang F;Liu JQ;Chen DP
CD276 (also known as B7–H3, an immune checkpoint molecule) is aberrantly overexpressed in many cancers. However, the upregulation mechanism and in particular, whether oncogenic signaling has a role, is unclear. Here we demonstrate that a pro-oncogenic kinase PBK, the expression of which is associated with immune infiltration in nasopharyngeal carcinoma (NPC), stimulates the expression of CD276 epigenetically. Mechanistically, PBK phosphorylates MSL1 and enhances the interaction between MSL1 and MSL2, MSL3, and KAT8, the components of the MSL complex. As a consequence, PBK promotes the enrichment of MSL complex on CD276 promoter, leading to the increased histone H4 K16 acetylation and the activation of CD276 transcription. In addition, we show that CD276 is highly upregulated and associated with immune infiltrating levels in NPC. Collectively, our findings describe a novel PBK/MSL1/CD276 signaling axis, which may play an important role in immune evasion of NPC and may be targeted for cancer immunotherapy.
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影响因子:
4.8
作者:
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通讯作者:
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5.7
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4.3
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3.3
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通讯作者:
Zou, Hanfa
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通讯作者:
Nakamura Y