3-Cl-AHPC inhibits pro-HGF maturation by inducing matriptase/HAI-1 complex formation.

3-Cl-AHPC inhibits pro-HGF maturation by inducing matriptase/HAI-1 complex formation.
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3-Cl-AHPC 通过诱导 matriptase/HAI-1 复合物形成来抑制 pro-HGF 成熟

DOI:
10.1111/jcmm.13900
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发表时间:
2019-01
影响因子:
5.3
通讯作者:
Zhou H
Zhou H
中科院分区:
医学2区
文献类型:
--
作者:
Ye F;Chen S;Liu X;Ye X;Wang K;Zeng Z;Su Y;Zhang XK;Zhou H

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膜型丝氨酸蛋白酶(Matriptase)是一种上皮特异性的膜锚定丝氨酸蛋白酶,其失调与多种癌症的进展密切相关。肝细胞生长因子激活物抑制剂 -1(HAI -1)通过与活化的膜型丝氨酸蛋白酶形成复合物来抑制其活性。膜型丝氨酸蛋白酶的活化以及膜型丝氨酸蛋白酶/HAI -1复合物形成之间的平衡决定了膜型丝氨酸蛋白酶活性的强度和持续时间。3 - Cl - AHPC,即4 - [3 -(1 - 金刚烷基) - 4 - 羟基苯基] - 3 - 氯肉桂酸,是一种金刚烷取代的类视黄醇相关分子,也是视黄酸受体γ(RARγ)的配体。3 - Cl - AHPC具有很强的抗癌作用,但其作用机制尚不明确。在我们目前的研究中,我们发现3 - Cl - AHPC以时间和剂量依赖的方式诱导膜型丝氨酸蛋白酶/HAI -1复合物的形成,从而抑制癌细胞和组织中活化的膜型丝氨酸蛋白酶。此外,3 - Cl - AHPC促进膜型丝氨酸蛋白酶的脱落,但不会增加脱落的膜型丝氨酸蛋白酶的活性。而且,3 - Cl - AHPC通过诱导膜型丝氨酸蛋白酶/HAI -1复合物来抑制膜型丝氨酸蛋白酶介导的前体肝细胞生长因子(pro - HGF)的裂解,从而抑制前体肝细胞生长因子刺激的信号传导和细胞散射。尽管3 - Cl - AHPC与RARγ结合,但其对膜型丝氨酸蛋白酶/HAI -1复合物的诱导不依赖于RARγ。总之,我们的数据表明,3 - Cl - AHPC以不依赖于RARγ的方式通过诱导膜型丝氨酸蛋白酶/HAI -1复合物的形成来下调膜型丝氨酸蛋白酶的活性,这为3 - Cl - AHPC的抗癌活性提供了一种机制,也为通过小分子诱导膜型丝氨酸蛋白酶/HAI -1复合物来抑制异常的膜型丝氨酸蛋白酶活性提供了一种新策略。
Matriptase is an epithelia‐specific membrane‐anchored serine protease, and its dysregulation is highly related to the progression of a variety of cancers. Hepatocyte growth factor activator inhibitor‐1 (HAI‐1) inhibits matriptase activity through forming complex with activated matriptase. The balance of matriptase activation and matriptase/HAI‐1 complex formation determines the intensity and duration of matriptase activity. 3‐Cl‐AHPC, 4‐[3‐(1‐adamantyl)‐4‐hydroxyphenyl]‐3‐chlorocinnamic acid, is an adamantly substituted retinoid‐related molecule and a ligand of retinoic acid receptor γ (RARγ). 3‐Cl‐AHPC is of strong anti‐cancer effect but with elusive mechanisms. In our current study, we show that 3‐Cl‐AHPC time‐ and dose‐ dependently induces matriptase/HAI‐1 complex formation, leading to the suppression of activated matriptase in cancer cells and tissues. Furthermore, 3‐Cl‐AHPC promotes matriptase shedding but without increasing the activity of shed matriptase. Moreover, 3‐Cl‐AHPC inhibits matriptase‐mediated cleavage of pro‐HGF through matriptase/HAI‐1 complex induction, resulting in the suppression of pro‐HGF‐stimulated signalling and cell scattering. Although 3‐Cl‐AHPC binds to RARγ, its induction of matriptase/HAI‐1 complex is not RARγ dependent. Together, our data demonstrates that 3‐Cl‐AHPC down‐regulates matriptase activity through induction of matriptase/HAI‐1 complex formation in a RARγ‐independent manner, providing a mechanism of 3‐Cl‐AHPC anti‐cancer activity and a new strategy to inhibit abnormal matriptase activity via matriptase/HAI‐1 complex induction using small molecules.
DOI: 10.3390/cancers6041890
发表时间: 2014-09-29
期刊: Cancers
影响因子: 5.2
作者:
Kawaguchi M;Kataoka H
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发表时间: 2010
期刊: Proceedings of the Japan Academy. Series B, Physical and biological sciences
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发表时间: 2015-07-15
期刊: CANCER RESEARCH
影响因子: 11.2
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DOI: 10.1152/ajpcell.00351.2005
发表时间: 2006-07-01
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