Protein tyrosine phosphatase PTPRO represses lung adenocarcinoma progression by inducing mitochondria-dependent apoptosis and restraining tumor metastasis.

Protein tyrosine phosphatase PTPRO represses lung adenocarcinoma progression by inducing mitochondria-dependent apoptosis and restraining tumor metastasis.
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蛋白酪氨酸磷酸酶PTPRO通过诱导线粒体依赖的细胞凋亡和抑制肿瘤转移来抑制肺腺癌的进展。

DOI:
10.1038/s41419-023-06375-x
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发表时间:
2024-01-05
影响因子:
9
通讯作者:
Zhang, Qun
Zhang, Qun
中科院分区:
生物学1区
文献类型:
--
作者:
Dai, Yuan;Shi, Shuangshuang;Liu, Hongda;Zhou, Hong;Ding, Wenqiu;Liu, Chenyang;Jin, Linling;Xie, Weiping;Kong, Hui;Zhang, Qun

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越来越多的证据表明,受受体蛋白酪氨酸磷酸酶(RPTPs)调节的蛋白质活性对各种细胞过程,如增殖、凋亡和免疫应答至关重要。O型蛋白酪氨酸磷酸酶受体(PTPRO)是一种RPTP,在特定肿瘤的发生发展中被认为是一种抑制因子。然而,PTPRO在肺腺癌(LUAD)发生发展中的作用及其机制尚不清楚。在这种情况下,目前的工作调查PTPRO在LUAD中的作用。对90对临床LUAD标本的分析显示,与邻近非肿瘤组织相比,LUAD中的PTPRO水平显著降低,PTPRO表达与肿瘤大小和TNM分期呈负相关。生存分析显示PTPRO水平有助于LUAD患者的预后分层。此外,发现PTPRO过表达通过经由细胞凋亡依赖性细胞凋亡诱导细胞死亡、下调细胞存活所必需的分子(Bcl-2、Bax、半胱天冬酶3、裂解的半胱天冬酶3/9、裂解的PARP和Bid)的蛋白质表达来抑制LUAD在体外和体内的进展。此外,PTPRO通过调节参与上皮-间充质转化的蛋白(E-钙粘蛋白、N-钙粘蛋白和Snail)降低LUAD迁移和侵袭。此外,PTPRO显示抑制JAK 2/STAT 3信号通路。PTPRO的表达与LUAD肿瘤样品中的p-JAK 2、p-STAT 3、Bcl-2和Snail水平呈负相关。此外,PTPRO在LUAD中的抗肿瘤作用是显著的,但在STAT 3缺陷细胞中受到损害。这些数据支持PTPRO在LUAD中的显著抑制作用,这可能代表LUAD患者的可行治疗靶点。
Emerging evidence indicates that protein activities regulated by receptor protein tyrosine phosphatases (RPTPs) are crucial for a variety of cellular processes, such as proliferation, apoptosis, and immunological response. Protein tyrosine phosphatase receptor type O (PTPRO), an RPTP, has been revealed as a putative suppressor in the development of particular tumors. However, the function and the underlying mechanisms of PTPRO in regulating of lung adenocarcinoma (LUAD) are not well understood. In this view, the present work investigated the role of PTPRO in LUAD. Analysis of 90 pairs of clinical LUAD specimens revealed significantly lower PTPRO levels in LUAD compared with adjacent non-tumor tissue, as well as a negative correlation of PTPRO expression with tumor size and TNM stage. Survival analyses demonstrated that PTPRO level can help stratify the prognosis of LUAD patients. Furthermore, PTPRO overexpression was found to suppress the progression of LUAD both in vitro and in vivo by inducing cell death via mitochondria-dependent apoptosis, downregulating protein expression of molecules (Bcl-2, Bax, caspase 3, cleaved-caspase 3/9, cleaved-PARP and Bid) essential in cell survival. Additionally, PTPRO decreased LUAD migration and invasion by regulating proteins involved in the epithelial-to-mesenchymal transition (E-cadherin, N-cadherin, and Snail). Moreover, PTPRO was shown to restrain JAK2/STAT3 signaling pathways. Expression of PTPRO was negatively correlated with p-JAK2, p-STAT3, Bcl-2, and Snail levels in LUAD tumor samples. Furthermore, the anti-tumor effect of PTPRO in LUAD was significant but compromised in STAT3-deficient cells. These data support the remarkable suppressive role of PTPRO in LUAD, which may represent a viable therapeutic target for LUAD patients.
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发表时间: 2013-10-03
影响因子: 7.4
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DOI: 10.2147/jir.s353489
发表时间: 2022
影响因子: 4.5
作者:
Mengie Ayele T;Tilahun Muche Z;Behaile Teklemariam A;Bogale Kassie A;Chekol Abebe E
通讯作者: Chekol Abebe E
PTPRO 通过 ERBB2 的去磷酸化和内体内化来抑制 ERBB2 驱动的乳腺肿瘤发生
DOI: 10.1038/onc.2016.213
发表时间: 2017-01-19
期刊: Oncogene
影响因子: 8
作者:
Dong H;Ma L;Gan J;Lin W;Chen C;Yao Z;Du L;Zheng L;Ke C;Huang X;Song H;Kumar R;Yeung SC;Zhang H
通讯作者: Zhang H
DOI: 10.1007/s00018-013-1259-7
发表时间: 2013-07
影响因子: 8
作者:
Liao, Wei-Hao;Cheng, Chia-Hsiung;Hung, Kuo-Sheng;Chiu, Wen-Ta;Chen, Gen-Der;Hwang, Pung-Pung;Hwang, Sheng-Ping L.;Kuan, Yung-Shu;Huang, Chang-Jen
通讯作者: Huang, Chang-Jen