A potent endocytosis inhibitor Ikarugamycin up-regulates TNF production.

A potent endocytosis inhibitor Ikarugamycin up-regulates TNF production.
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一种有效的内吞抑制剂Ikarugamycin上调TNF的产生。

DOI:
10.1016/j.bbrep.2021.101065
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发表时间:
2021-09
影响因子:
2.7
通讯作者:
Watanabe M
Watanabe M
中科院分区:
其他
文献类型:
--
作者:
Minamidate A;Onizawa M;Saito C;Hikichi R;Mochimaru T;Murakami M;Sakuma C;Asakawa T;Hiraoka Y;Oshima S;Nagaishi T;Tsuchiya K;Ohira H;Okamoto R;Watanabe M

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Ikarugamycin(IK)是一种抗生素,据报道其具有多种功能,如抑制网格蛋白介导的内吞作用(CME)、抗肿瘤作用和调节免疫系统。IK是否影响细胞因子的产生知之甚少。本文研究了IK与肿瘤坏死因子-α(TNF-α)产生的关系。TNF在许多疾病的发病机制中起着关键作用。尽管可溶性TNF(sTNF)的动力学已被广泛研究,但膜形式的TNF(mTNF)的功能尚未完全阐明。我们证明IK增加mTNF的量并延长TNF表达的持续时间。这种作用与含去整合素和金属蛋白酶结构域蛋白17(ADAM 17)的脱落活性无关。我们的研究结果表明,有一个机制,终止炎症在细胞水平上的IK失调。此外,由于IK增加mTNF表达的作用,IK可以成为研究TNF信号传导的工具。
Ikarugamycin (IK) is an antibiotic which has been reported to have a variety of functions, such as inhibition of clathrin-mediated endocytosis (CME), anti-tumor effects and regulation of the immune system. Whether IK influences cytokine production is poorly understood. We have investigated the relationship between IK and production of tumor necrosis factor-α (TNF). TNF plays a pivotal role in pathogenesis of many diseases. Although the dynamics of soluble TNF (sTNF) has been widely explored so far, the functions of the membrane form of TNF (mTNF) have not been fully elucidated. We demonstrated that IK increases the amount of mTNF and prolongs the duration of TNF expression. This effect is unrelated to the shedding activity of disintegrin and metalloproteinase domain-containing protein 17 (ADAM 17). Our results revealed that there is a mechanism to terminate inflammation at the cellular level which IK dysregulates. Furthermore, IK can be a tool to study TNF signaling due to its effect of increasing mTNF expression.
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