Targeting ARHGEF12 promotes neuroblastoma differentiation, MYCN degradation, and reduces tumorigenicity

Purpose Neuroblastoma arises from developmental block of embryonic neural crest cells and is one of the most common and deadly pediatric tumors. However, the mechanism underlying this block is still unclear. Here, we show that targeting Rho guanine nucleotide exchange factor 12 (ARHGEF12, also named...

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Veröffentlicht in:Cellular oncology (Dordrecht) 2023-02, Vol.46 (1), p.133-143
Hauptverfasser: Yang, Yi, Wang, Siqi, Cai, Jiaoyang, Liang, Jianwei, Zhang, Yingwen, Xie, Yangyang, Luo, Fei, Tang, Jingyan, Gao, Yijin, Shen, Shuhong, Feng, Haizhong, Li, Yanxin
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container_title Cellular oncology (Dordrecht)
container_volume 46
creator Yang, Yi
Wang, Siqi
Cai, Jiaoyang
Liang, Jianwei
Zhang, Yingwen
Xie, Yangyang
Luo, Fei
Tang, Jingyan
Gao, Yijin
Shen, Shuhong
Feng, Haizhong
Li, Yanxin
description Purpose Neuroblastoma arises from developmental block of embryonic neural crest cells and is one of the most common and deadly pediatric tumors. However, the mechanism underlying this block is still unclear. Here, we show that targeting Rho guanine nucleotide exchange factor 12 (ARHGEF12, also named LARG) promotes MYCN degradation and neuroblastoma differentiation, leading to reduced neuroblastoma malignancy. Methods The neuroblastoma TARGET dataset was downloaded to assess ARHGEF12 expression. Cell differentiation, proliferation, colony formation and cell migration analyses were performed to investigate the effects of ARHGEF12 knockdown on neuroblastoma cells. Western blotting and immunohistochemistry were employed to determine protein expression. Animal xenograft models were used to investigate antitumor effects after ARHGEF12 knockdown or treatment with the ARHGEF12 inhibitor Y16 in vivo. Results We found that the expression level of ARHGEF12 was higher in neuroblastoma than in better-differentiated ganglioneuroblastoma. Knockdown of ARHGEF12 promoted neuroblastoma differentiation, decreased stemness-related gene expression, and increased differentiation-related gene expression. ARHGEF12 knockdown reduced tumor growth, and the resulting tumors showed bigger tumor cells compared to those in control neuroblastoma xenografts. In addition, it was found that ARHGEF12 knockdown promoted MYCN ubiquitination and degradation in MYCN-amplified tumors through RhoA/ROCK/GSK3β signaling. Targeting ARHGEF12 with the small molecular inhibitor Y16 induced cell differentiation and attenuated neuroblastoma tumorigenicity. Conclusion Our findings provide new insight into the mechanism by which ARHGEF12 regulates neuroblastoma tumorigenicity and suggest a translatable therapeutic approach by targeting ARHGEF12 with a small molecular inhibitor.
doi_str_mv 10.1007/s13402-022-00739-9
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However, the mechanism underlying this block is still unclear. Here, we show that targeting Rho guanine nucleotide exchange factor 12 (ARHGEF12, also named LARG) promotes MYCN degradation and neuroblastoma differentiation, leading to reduced neuroblastoma malignancy. Methods The neuroblastoma TARGET dataset was downloaded to assess ARHGEF12 expression. Cell differentiation, proliferation, colony formation and cell migration analyses were performed to investigate the effects of ARHGEF12 knockdown on neuroblastoma cells. Western blotting and immunohistochemistry were employed to determine protein expression. Animal xenograft models were used to investigate antitumor effects after ARHGEF12 knockdown or treatment with the ARHGEF12 inhibitor Y16 in vivo. Results We found that the expression level of ARHGEF12 was higher in neuroblastoma than in better-differentiated ganglioneuroblastoma. Knockdown of ARHGEF12 promoted neuroblastoma differentiation, decreased stemness-related gene expression, and increased differentiation-related gene expression. ARHGEF12 knockdown reduced tumor growth, and the resulting tumors showed bigger tumor cells compared to those in control neuroblastoma xenografts. In addition, it was found that ARHGEF12 knockdown promoted MYCN ubiquitination and degradation in MYCN-amplified tumors through RhoA/ROCK/GSK3β signaling. Targeting ARHGEF12 with the small molecular inhibitor Y16 induced cell differentiation and attenuated neuroblastoma tumorigenicity. Conclusion Our findings provide new insight into the mechanism by which ARHGEF12 regulates neuroblastoma tumorigenicity and suggest a translatable therapeutic approach by targeting ARHGEF12 with a small molecular inhibitor.</description><identifier>ISSN: 2211-3428</identifier><identifier>EISSN: 2211-3436</identifier><identifier>DOI: 10.1007/s13402-022-00739-9</identifier><identifier>PMID: 36520365</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Animal models ; Animals ; Antitumor activity ; Biomedical and Life Sciences ; Biomedicine ; Cancer Research ; Cell Differentiation ; Cell Line, Tumor ; Cell migration ; Cell Proliferation ; Degradation ; Gene expression ; Gene Expression Regulation, Neoplastic ; Guanine nucleotide exchange factor ; Humans ; Immunohistochemistry ; Malignancy ; N-Myc Proto-Oncogene Protein - genetics ; N-Myc Proto-Oncogene Protein - metabolism ; Neural crest ; Neuroblastoma ; Neuroblastoma - metabolism ; Neuroblastoma - pathology ; Neuroblasts ; Oncology ; Original Article ; Pathology ; Pediatrics ; Rho Guanine Nucleotide Exchange Factors - metabolism ; Rho-associated kinase ; RhoA protein ; Signal Transduction ; Tumor cells ; Tumorigenicity ; Tumors ; Ubiquitination ; Western blotting ; Xenografts</subject><ispartof>Cellular oncology (Dordrecht), 2023-02, Vol.46 (1), p.133-143</ispartof><rights>Springer Nature Switzerland AG 2022. corrected publication 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><rights>2022. Springer Nature Switzerland AG.</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c375t-412a3c85325d4a614c43b8d62e567499b7d3f9a6e155696fc9096b2e6dd1fead3</citedby><cites>FETCH-LOGICAL-c375t-412a3c85325d4a614c43b8d62e567499b7d3f9a6e155696fc9096b2e6dd1fead3</cites><orcidid>0000-0003-1055-5029</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s13402-022-00739-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s13402-022-00739-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/36520365$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yang, Yi</creatorcontrib><creatorcontrib>Wang, Siqi</creatorcontrib><creatorcontrib>Cai, Jiaoyang</creatorcontrib><creatorcontrib>Liang, Jianwei</creatorcontrib><creatorcontrib>Zhang, Yingwen</creatorcontrib><creatorcontrib>Xie, Yangyang</creatorcontrib><creatorcontrib>Luo, Fei</creatorcontrib><creatorcontrib>Tang, Jingyan</creatorcontrib><creatorcontrib>Gao, Yijin</creatorcontrib><creatorcontrib>Shen, Shuhong</creatorcontrib><creatorcontrib>Feng, Haizhong</creatorcontrib><creatorcontrib>Li, Yanxin</creatorcontrib><title>Targeting ARHGEF12 promotes neuroblastoma differentiation, MYCN degradation, and reduces tumorigenicity</title><title>Cellular oncology (Dordrecht)</title><addtitle>Cell Oncol</addtitle><addtitle>Cell Oncol (Dordr)</addtitle><description>Purpose Neuroblastoma arises from developmental block of embryonic neural crest cells and is one of the most common and deadly pediatric tumors. However, the mechanism underlying this block is still unclear. Here, we show that targeting Rho guanine nucleotide exchange factor 12 (ARHGEF12, also named LARG) promotes MYCN degradation and neuroblastoma differentiation, leading to reduced neuroblastoma malignancy. Methods The neuroblastoma TARGET dataset was downloaded to assess ARHGEF12 expression. Cell differentiation, proliferation, colony formation and cell migration analyses were performed to investigate the effects of ARHGEF12 knockdown on neuroblastoma cells. Western blotting and immunohistochemistry were employed to determine protein expression. Animal xenograft models were used to investigate antitumor effects after ARHGEF12 knockdown or treatment with the ARHGEF12 inhibitor Y16 in vivo. Results We found that the expression level of ARHGEF12 was higher in neuroblastoma than in better-differentiated ganglioneuroblastoma. Knockdown of ARHGEF12 promoted neuroblastoma differentiation, decreased stemness-related gene expression, and increased differentiation-related gene expression. ARHGEF12 knockdown reduced tumor growth, and the resulting tumors showed bigger tumor cells compared to those in control neuroblastoma xenografts. In addition, it was found that ARHGEF12 knockdown promoted MYCN ubiquitination and degradation in MYCN-amplified tumors through RhoA/ROCK/GSK3β signaling. Targeting ARHGEF12 with the small molecular inhibitor Y16 induced cell differentiation and attenuated neuroblastoma tumorigenicity. 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Wang, Siqi ; Cai, Jiaoyang ; Liang, Jianwei ; Zhang, Yingwen ; Xie, Yangyang ; Luo, Fei ; Tang, Jingyan ; Gao, Yijin ; Shen, Shuhong ; Feng, Haizhong ; Li, Yanxin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-412a3c85325d4a614c43b8d62e567499b7d3f9a6e155696fc9096b2e6dd1fead3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Animal models</topic><topic>Animals</topic><topic>Antitumor activity</topic><topic>Biomedical and Life Sciences</topic><topic>Biomedicine</topic><topic>Cancer Research</topic><topic>Cell Differentiation</topic><topic>Cell Line, Tumor</topic><topic>Cell migration</topic><topic>Cell Proliferation</topic><topic>Degradation</topic><topic>Gene expression</topic><topic>Gene Expression Regulation, Neoplastic</topic><topic>Guanine nucleotide exchange factor</topic><topic>Humans</topic><topic>Immunohistochemistry</topic><topic>Malignancy</topic><topic>N-Myc Proto-Oncogene Protein - genetics</topic><topic>N-Myc Proto-Oncogene Protein - metabolism</topic><topic>Neural crest</topic><topic>Neuroblastoma</topic><topic>Neuroblastoma - metabolism</topic><topic>Neuroblastoma - pathology</topic><topic>Neuroblasts</topic><topic>Oncology</topic><topic>Original Article</topic><topic>Pathology</topic><topic>Pediatrics</topic><topic>Rho Guanine Nucleotide Exchange Factors - metabolism</topic><topic>Rho-associated kinase</topic><topic>RhoA protein</topic><topic>Signal Transduction</topic><topic>Tumor cells</topic><topic>Tumorigenicity</topic><topic>Tumors</topic><topic>Ubiquitination</topic><topic>Western blotting</topic><topic>Xenografts</topic><toplevel>online_resources</toplevel><creatorcontrib>Yang, Yi</creatorcontrib><creatorcontrib>Wang, Siqi</creatorcontrib><creatorcontrib>Cai, Jiaoyang</creatorcontrib><creatorcontrib>Liang, Jianwei</creatorcontrib><creatorcontrib>Zhang, Yingwen</creatorcontrib><creatorcontrib>Xie, Yangyang</creatorcontrib><creatorcontrib>Luo, Fei</creatorcontrib><creatorcontrib>Tang, Jingyan</creatorcontrib><creatorcontrib>Gao, Yijin</creatorcontrib><creatorcontrib>Shen, Shuhong</creatorcontrib><creatorcontrib>Feng, Haizhong</creatorcontrib><creatorcontrib>Li, Yanxin</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Cellular oncology (Dordrecht)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Yi</au><au>Wang, Siqi</au><au>Cai, Jiaoyang</au><au>Liang, Jianwei</au><au>Zhang, Yingwen</au><au>Xie, Yangyang</au><au>Luo, Fei</au><au>Tang, Jingyan</au><au>Gao, Yijin</au><au>Shen, Shuhong</au><au>Feng, Haizhong</au><au>Li, Yanxin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Targeting ARHGEF12 promotes neuroblastoma differentiation, MYCN degradation, and reduces tumorigenicity</atitle><jtitle>Cellular oncology (Dordrecht)</jtitle><stitle>Cell Oncol</stitle><addtitle>Cell Oncol (Dordr)</addtitle><date>2023-02-01</date><risdate>2023</risdate><volume>46</volume><issue>1</issue><spage>133</spage><epage>143</epage><pages>133-143</pages><issn>2211-3428</issn><eissn>2211-3436</eissn><abstract>Purpose Neuroblastoma arises from developmental block of embryonic neural crest cells and is one of the most common and deadly pediatric tumors. However, the mechanism underlying this block is still unclear. Here, we show that targeting Rho guanine nucleotide exchange factor 12 (ARHGEF12, also named LARG) promotes MYCN degradation and neuroblastoma differentiation, leading to reduced neuroblastoma malignancy. Methods The neuroblastoma TARGET dataset was downloaded to assess ARHGEF12 expression. Cell differentiation, proliferation, colony formation and cell migration analyses were performed to investigate the effects of ARHGEF12 knockdown on neuroblastoma cells. Western blotting and immunohistochemistry were employed to determine protein expression. Animal xenograft models were used to investigate antitumor effects after ARHGEF12 knockdown or treatment with the ARHGEF12 inhibitor Y16 in vivo. Results We found that the expression level of ARHGEF12 was higher in neuroblastoma than in better-differentiated ganglioneuroblastoma. Knockdown of ARHGEF12 promoted neuroblastoma differentiation, decreased stemness-related gene expression, and increased differentiation-related gene expression. ARHGEF12 knockdown reduced tumor growth, and the resulting tumors showed bigger tumor cells compared to those in control neuroblastoma xenografts. In addition, it was found that ARHGEF12 knockdown promoted MYCN ubiquitination and degradation in MYCN-amplified tumors through RhoA/ROCK/GSK3β signaling. Targeting ARHGEF12 with the small molecular inhibitor Y16 induced cell differentiation and attenuated neuroblastoma tumorigenicity. Conclusion Our findings provide new insight into the mechanism by which ARHGEF12 regulates neuroblastoma tumorigenicity and suggest a translatable therapeutic approach by targeting ARHGEF12 with a small molecular inhibitor.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><pmid>36520365</pmid><doi>10.1007/s13402-022-00739-9</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0003-1055-5029</orcidid></addata></record>
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subjects Animal models
Animals
Antitumor activity
Biomedical and Life Sciences
Biomedicine
Cancer Research
Cell Differentiation
Cell Line, Tumor
Cell migration
Cell Proliferation
Degradation
Gene expression
Gene Expression Regulation, Neoplastic
Guanine nucleotide exchange factor
Humans
Immunohistochemistry
Malignancy
N-Myc Proto-Oncogene Protein - genetics
N-Myc Proto-Oncogene Protein - metabolism
Neural crest
Neuroblastoma
Neuroblastoma - metabolism
Neuroblastoma - pathology
Neuroblasts
Oncology
Original Article
Pathology
Pediatrics
Rho Guanine Nucleotide Exchange Factors - metabolism
Rho-associated kinase
RhoA protein
Signal Transduction
Tumor cells
Tumorigenicity
Tumors
Ubiquitination
Western blotting
Xenografts
title Targeting ARHGEF12 promotes neuroblastoma differentiation, MYCN degradation, and reduces tumorigenicity
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