Enhanced nuclear localization of YAP1‐2 contributes to EGF‐induced EMT in NSCLC

YAP1, a key mediator of the Hippo pathway, plays an important role in tumorigenesis. Alternative splicing of human YAP1 mRNA results in two major isoforms: YAP1‐1, which contains a single WW domain, and YAP1‐2, which contains two WW domains, respectively. We here investigated the functions and the u...

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Veröffentlicht in:Journal of cellular and molecular medicine 2022-02, Vol.26 (4), p.1013-1023
Hauptverfasser: Guo, Qiang, Quan, Mei‐Yu, Xu, Le, Cai, Yaxin, Cai, Jue‐Ting, Li, Xue, Feng, Guifeng, Chen, Aiping, Yang, Weiwei, Dhlamini, Qhaweni, Jiang, Tian‐Fang, Shen, Chengguo, Chen, Chengshui, Zhang, Jin‐San
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container_issue 4
container_start_page 1013
container_title Journal of cellular and molecular medicine
container_volume 26
creator Guo, Qiang
Quan, Mei‐Yu
Xu, Le
Cai, Yaxin
Cai, Jue‐Ting
Li, Xue
Feng, Guifeng
Chen, Aiping
Yang, Weiwei
Dhlamini, Qhaweni
Jiang, Tian‐Fang
Shen, Chengguo
Chen, Chengshui
Zhang, Jin‐San
description YAP1, a key mediator of the Hippo pathway, plays an important role in tumorigenesis. Alternative splicing of human YAP1 mRNA results in two major isoforms: YAP1‐1, which contains a single WW domain, and YAP1‐2, which contains two WW domains, respectively. We here investigated the functions and the underlying regulatory mechanisms of the two YAP1 isoforms in the context of EGF‐induced epithelial‐mesenchymal transition (EMT) in non‐small cell lung cancer (NSCLC). Human NSCLC cell lines express both YAP1‐1 and YAP1‐2 isoforms—although when compared to YAP1‐1, YAP1‐2 mRNA levels are higher while its protein expression levels are lower. EGF treatment significantly promoted YAP1 expression as well as EMT process in NSCLCs, whereas EGF‐induced EMT phenotype was significantly alleviated upon YAP1 knockdown. Under normal culture condition, YAP1‐1 stable expression cells exhibited a stronger migration ability than YAP1‐2 expressing cells. However, upon EGF treatment, YAP1‐2 stable cells showed more robust migration than YAP1‐1 expressing cells. The protein stability and nuclear localization of YAP1‐2 were preferentially enhanced with EGF treatment. Moreover, EGF‐induced EMT and YAP1‐2 activity were suppressed by inhibitor of AKT. Our results suggest that YAP1‐2 is the main isoform that is functionally relevant in promoting EGF‐induced EMT and ultimately NSCLC progression.
doi_str_mv 10.1111/jcmm.17150
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Alternative splicing of human YAP1 mRNA results in two major isoforms: YAP1‐1, which contains a single WW domain, and YAP1‐2, which contains two WW domains, respectively. We here investigated the functions and the underlying regulatory mechanisms of the two YAP1 isoforms in the context of EGF‐induced epithelial‐mesenchymal transition (EMT) in non‐small cell lung cancer (NSCLC). Human NSCLC cell lines express both YAP1‐1 and YAP1‐2 isoforms—although when compared to YAP1‐1, YAP1‐2 mRNA levels are higher while its protein expression levels are lower. EGF treatment significantly promoted YAP1 expression as well as EMT process in NSCLCs, whereas EGF‐induced EMT phenotype was significantly alleviated upon YAP1 knockdown. Under normal culture condition, YAP1‐1 stable expression cells exhibited a stronger migration ability than YAP1‐2 expressing cells. However, upon EGF treatment, YAP1‐2 stable cells showed more robust migration than YAP1‐1 expressing cells. The protein stability and nuclear localization of YAP1‐2 were preferentially enhanced with EGF treatment. Moreover, EGF‐induced EMT and YAP1‐2 activity were suppressed by inhibitor of AKT. Our results suggest that YAP1‐2 is the main isoform that is functionally relevant in promoting EGF‐induced EMT and ultimately NSCLC progression.</description><identifier>ISSN: 1582-1838</identifier><identifier>EISSN: 1582-4934</identifier><identifier>DOI: 10.1111/jcmm.17150</identifier><identifier>PMID: 35014181</identifier><language>eng</language><publisher>England: John Wiley &amp; Sons, Inc</publisher><subject>Adaptor Proteins, Signal Transducing - genetics ; Adaptor Proteins, Signal Transducing - metabolism ; AKT protein ; AKT signalling ; Alternative splicing ; Carcinoma, Non-Small-Cell Lung - genetics ; Carcinoma, Non-Small-Cell Lung - metabolism ; Cell adhesion &amp; migration ; Cell culture ; Cell Line, Tumor ; Cell migration ; EGF ; Epidermal growth factor ; Epidermal Growth Factor - metabolism ; Epidermal Growth Factor - pharmacology ; Epithelial-Mesenchymal Transition - genetics ; epithelial‐mesenchymal transition ; Humans ; Isoforms ; Kinases ; Localization ; Lung cancer ; Lung Neoplasms - genetics ; Lung Neoplasms - metabolism ; Mesenchyme ; Metastasis ; mRNA ; Mutation ; Non-small cell lung carcinoma ; NSCLC ; Original ; Phenotypes ; Proteins ; Small cell lung carcinoma ; Software ; Statistical analysis ; Transcription Factors - genetics ; Transcription Factors - metabolism ; Tumor cell lines ; Tumorigenesis ; YAP-Signaling Proteins ; YAP1 isoforms ; Yes-associated protein</subject><ispartof>Journal of cellular and molecular medicine, 2022-02, Vol.26 (4), p.1013-1023</ispartof><rights>2022 The Authors. published by Foundation for Cellular and Molecular Medicine and John Wiley &amp; Sons Ltd.</rights><rights>2022 The Authors. Journal of Cellular and Molecular Medicine published by Foundation for Cellular and Molecular Medicine and John Wiley &amp; Sons Ltd.</rights><rights>2022. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). 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Alternative splicing of human YAP1 mRNA results in two major isoforms: YAP1‐1, which contains a single WW domain, and YAP1‐2, which contains two WW domains, respectively. We here investigated the functions and the underlying regulatory mechanisms of the two YAP1 isoforms in the context of EGF‐induced epithelial‐mesenchymal transition (EMT) in non‐small cell lung cancer (NSCLC). Human NSCLC cell lines express both YAP1‐1 and YAP1‐2 isoforms—although when compared to YAP1‐1, YAP1‐2 mRNA levels are higher while its protein expression levels are lower. EGF treatment significantly promoted YAP1 expression as well as EMT process in NSCLCs, whereas EGF‐induced EMT phenotype was significantly alleviated upon YAP1 knockdown. Under normal culture condition, YAP1‐1 stable expression cells exhibited a stronger migration ability than YAP1‐2 expressing cells. However, upon EGF treatment, YAP1‐2 stable cells showed more robust migration than YAP1‐1 expressing cells. The protein stability and nuclear localization of YAP1‐2 were preferentially enhanced with EGF treatment. Moreover, EGF‐induced EMT and YAP1‐2 activity were suppressed by inhibitor of AKT. 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Quan, Mei‐Yu ; Xu, Le ; Cai, Yaxin ; Cai, Jue‐Ting ; Li, Xue ; Feng, Guifeng ; Chen, Aiping ; Yang, Weiwei ; Dhlamini, Qhaweni ; Jiang, Tian‐Fang ; Shen, Chengguo ; Chen, Chengshui ; Zhang, Jin‐San</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4480-266b3963b643b07b778957fd44a1cef4f1dc6b03e9e6e61e48413baceed93da03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Adaptor Proteins, Signal Transducing - genetics</topic><topic>Adaptor Proteins, Signal Transducing - metabolism</topic><topic>AKT protein</topic><topic>AKT signalling</topic><topic>Alternative splicing</topic><topic>Carcinoma, Non-Small-Cell Lung - genetics</topic><topic>Carcinoma, Non-Small-Cell Lung - metabolism</topic><topic>Cell adhesion &amp; migration</topic><topic>Cell culture</topic><topic>Cell Line, Tumor</topic><topic>Cell migration</topic><topic>EGF</topic><topic>Epidermal growth factor</topic><topic>Epidermal Growth Factor - metabolism</topic><topic>Epidermal Growth Factor - pharmacology</topic><topic>Epithelial-Mesenchymal Transition - genetics</topic><topic>epithelial‐mesenchymal transition</topic><topic>Humans</topic><topic>Isoforms</topic><topic>Kinases</topic><topic>Localization</topic><topic>Lung cancer</topic><topic>Lung Neoplasms - genetics</topic><topic>Lung Neoplasms - metabolism</topic><topic>Mesenchyme</topic><topic>Metastasis</topic><topic>mRNA</topic><topic>Mutation</topic><topic>Non-small cell lung carcinoma</topic><topic>NSCLC</topic><topic>Original</topic><topic>Phenotypes</topic><topic>Proteins</topic><topic>Small cell lung carcinoma</topic><topic>Software</topic><topic>Statistical analysis</topic><topic>Transcription Factors - genetics</topic><topic>Transcription Factors - metabolism</topic><topic>Tumor cell lines</topic><topic>Tumorigenesis</topic><topic>YAP-Signaling Proteins</topic><topic>YAP1 isoforms</topic><topic>Yes-associated protein</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guo, Qiang</creatorcontrib><creatorcontrib>Quan, Mei‐Yu</creatorcontrib><creatorcontrib>Xu, Le</creatorcontrib><creatorcontrib>Cai, Yaxin</creatorcontrib><creatorcontrib>Cai, Jue‐Ting</creatorcontrib><creatorcontrib>Li, Xue</creatorcontrib><creatorcontrib>Feng, Guifeng</creatorcontrib><creatorcontrib>Chen, Aiping</creatorcontrib><creatorcontrib>Yang, Weiwei</creatorcontrib><creatorcontrib>Dhlamini, Qhaweni</creatorcontrib><creatorcontrib>Jiang, Tian‐Fang</creatorcontrib><creatorcontrib>Shen, Chengguo</creatorcontrib><creatorcontrib>Chen, Chengshui</creatorcontrib><creatorcontrib>Zhang, Jin‐San</creatorcontrib><collection>Wiley Online Library (Open Access Collection)</collection><collection>Wiley Online Library Free Content</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Calcium &amp; 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The protein stability and nuclear localization of YAP1‐2 were preferentially enhanced with EGF treatment. Moreover, EGF‐induced EMT and YAP1‐2 activity were suppressed by inhibitor of AKT. Our results suggest that YAP1‐2 is the main isoform that is functionally relevant in promoting EGF‐induced EMT and ultimately NSCLC progression.</abstract><cop>England</cop><pub>John Wiley &amp; Sons, Inc</pub><pmid>35014181</pmid><doi>10.1111/jcmm.17150</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-4436-9593</orcidid><orcidid>https://orcid.org/0000-0002-4341-0443</orcidid><oa>free_for_read</oa></addata></record>
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subjects Adaptor Proteins, Signal Transducing - genetics
Adaptor Proteins, Signal Transducing - metabolism
AKT protein
AKT signalling
Alternative splicing
Carcinoma, Non-Small-Cell Lung - genetics
Carcinoma, Non-Small-Cell Lung - metabolism
Cell adhesion & migration
Cell culture
Cell Line, Tumor
Cell migration
EGF
Epidermal growth factor
Epidermal Growth Factor - metabolism
Epidermal Growth Factor - pharmacology
Epithelial-Mesenchymal Transition - genetics
epithelial‐mesenchymal transition
Humans
Isoforms
Kinases
Localization
Lung cancer
Lung Neoplasms - genetics
Lung Neoplasms - metabolism
Mesenchyme
Metastasis
mRNA
Mutation
Non-small cell lung carcinoma
NSCLC
Original
Phenotypes
Proteins
Small cell lung carcinoma
Software
Statistical analysis
Transcription Factors - genetics
Transcription Factors - metabolism
Tumor cell lines
Tumorigenesis
YAP-Signaling Proteins
YAP1 isoforms
Yes-associated protein
title Enhanced nuclear localization of YAP1‐2 contributes to EGF‐induced EMT in NSCLC
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