PROTAC‐Mediated HDAC7 Protein Degradation Unveils Its Deacetylase‐Independent Proinflammatory Function in Macrophages
Abstract: Class IIa histone deacetylases (Class IIa HDACs) play critical roles in regulating essential cellular metabolism and inflammatory pathways. However, dissecting the specific roles of each class IIa HDAC isoform is hindered by the pan‐inhibitory effect of current inhibitors and a lack of tools to probe their functions beyond epigenetic regulation. In this study, a novel PROTAC‐based compound B4 is developed, which selectively targets and degrades HDAC7, resulting in the effective attenuation of a specific set of proinflammatory cytokines in both lipopolysaccharide (LPS)‐stimulated macrophages and a mouse model. By employing B4 as a molecular probe, evidence is found for a previously explored role of HDAC7 that surpasses its deacetylase function, suggesting broader implications in inflammatory processes. Mechanistic investigations reveal the critical involvement of HDAC7 in the Toll‐like receptor 4 (TLR4) signaling pathway by directly interacting with the TNF receptor‐associated factor 6 and TGFβ‐activated kinase 1 (TRAF6‐TAK1) complex, thereby initiating the activation of the downstream mitogen‐activated protein kinase/nuclear factor‐κB (MAPK/NF‐κB) signaling cascade and subsequent gene transcription. This study expands the insight into HDAC7's role within intricate inflammatory networks and highlights its therapeutic potential as a novel target for anti‐inflammatory treatments.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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PROTAC‐Mediated HDAC7 Protein Degradation Unveils Its Deacetylase‐Independent Proinflammatory Function in Macrophages ; day:25 ; month:07 ; year:2024 ; extent:18
Advanced science ; (25.07.2024) (gesamt 18)
- Creator
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Kadier, Kailibinuer
Niu, Tian
Ding, Baoli
Chen, Boya
Qi, Xuxin
Chen, Danni
Cheng, Xirui
Fang, Yizheng
Zhou, Jiahao
Zhao, Wenyi
Liu, Zeqi
Yuan, Yi
Zhou, Zhan
Dong, Xiaowu
Yang, Bo
He, Qiaojun
Cao, Ji
Jiang, Li
Zhu, Cheng‐Liang
- DOI
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10.1002/advs.202309459
- URN
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urn:nbn:de:101:1-2407251416153.675263514043
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 10:51 AM CEST
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Associated
- Kadier, Kailibinuer
- Niu, Tian
- Ding, Baoli
- Chen, Boya
- Qi, Xuxin
- Chen, Danni
- Cheng, Xirui
- Fang, Yizheng
- Zhou, Jiahao
- Zhao, Wenyi
- Liu, Zeqi
- Yuan, Yi
- Zhou, Zhan
- Dong, Xiaowu
- Yang, Bo
- He, Qiaojun
- Cao, Ji
- Jiang, Li
- Zhu, Cheng‐Liang
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