The Post-translational Modifications of Smurf2 in TGF-β Signaling

被引:33
作者
Bai, Yangjinming [1 ,2 ,3 ]
Ying, Ying [1 ,2 ]
机构
[1] Nanchang Univ, Sch Basic Med Sci, Jiangxi Prov Key Lab Tumor Pathogens & Mol Pathol, Nanchang, Jiangxi, Peoples R China
[2] Nanchang Univ, Sch Basic Med Sci, Dept Pathophysiol, Nanchang, Jiangxi, Peoples R China
[3] Nanchang Univ, Queen Mary Sch, Nanchang Joint Program, Nanchang, Jiangxi, Peoples R China
基金
中国国家自然科学基金;
关键词
post-translational modifications; Smurf2; SUMOylation; ubiquitylation; neddylation; phosphorylation; methylation; UBIQUITIN LIGASE SMURF2; BREAST-CANCER; PROTEIN NEDDYLATION; DEGRADATION; RECEPTOR; TARGETS; NEDD8; ONCOGENESIS; EXPRESSION; MIGRATION;
D O I
10.3389/fmolb.2020.00128
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Smad ubiquitin regulatory factor 2 (Smurf2), an essential negative regulator of TGF-beta signaling, ubiquitinates TGF-beta receptors (T beta Rs) and Smad proteins, inducing their proteasomal degradation. Smurf2 plays crucial roles in regulating TGF-beta signaling and maintaining normal cellular functions and tissue homeostasis; dysfunction of Smurf2 triggers abnormal TGF-beta signaling in pathological states. Smurf2 has been reported as a potentially strong candidate for targeting therapies for related diseases. Recent work has begun to focus on the regulation of Smurf2 itself, and emerging evidence indicates that Smurf2 is regulated by post-translational modifications (PTMs) mechanisms. These mechanisms predominantly regulate the expression level and E3 ligase activity of Smurf2, strongly suggesting that this protein contributes to complicated roles under multiple pathophysiological conditions. In this review, we cover some significant and novel mechanisms of the PTMs that potentially control Smurf2 participation in TGF-beta signaling, including ubiquitylation, SUMOylation, neddylation, phosphorylation, and methylation in order to provide a broad view of the depth and sophistication of Smurf2 function in TGF-beta regulation, as well as perspectives for future therapeutic directions for its associated diseases.
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页数:8
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