MicroRNA-29c mediates initiation of gastric carcinogenesis by directly targeting ITGB1

Objective Gastric cancer (GC) remains difficult to cure due to heterogeneity in a clinical challenge and the molecular mechanisms underlying this disease are complex and not completely understood. Accumulating evidence suggests that microRNAs (miRNAs) play an important role in GC, but the role of sp...

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Veröffentlicht in:Gut 2015-02, Vol.64 (2), p.203-214
Hauptverfasser: Han, Tae-Su, Hur, Keun, Xu, Guorong, Choi, Boram, Okugawa, Yoshinaga, Toiyama, Yuji, Oshima, Hiroko, Oshima, Masanobu, Lee, Hyuk-Joon, Kim, V Narry, Chang, Aaron N, Goel, Ajay, Yang, Han-Kwang
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container_end_page 214
container_issue 2
container_start_page 203
container_title Gut
container_volume 64
creator Han, Tae-Su
Hur, Keun
Xu, Guorong
Choi, Boram
Okugawa, Yoshinaga
Toiyama, Yuji
Oshima, Hiroko
Oshima, Masanobu
Lee, Hyuk-Joon
Kim, V Narry
Chang, Aaron N
Goel, Ajay
Yang, Han-Kwang
description Objective Gastric cancer (GC) remains difficult to cure due to heterogeneity in a clinical challenge and the molecular mechanisms underlying this disease are complex and not completely understood. Accumulating evidence suggests that microRNAs (miRNAs) play an important role in GC, but the role of specific miRNAs involved in this disease remains elusive. We performed next generation sequencing (NGS)-based whole-transcriptome profiling to discover GC-specific miRNAs, followed by functional validation of results. Design NGS-based miRNA profiles were generated in matched pairs of GCs and adjacent normal mucosa (NM). Quantitative RT-PCR validation of miR-29c expression was performed in 274 gastric tissues, which included two cohorts of matched GC and NM specimens. Functional validation of miR-29c and its gene targets was undertaken in cell lines, as well as K19-C2mE and K19-Wnt1/C2mE transgenic mice. Results NGS analysis revealed four GC-specific miRNAs. Among these, miR-29c expression was significantly decreased in GC versus NM tissues (p
doi_str_mv 10.1136/gutjnl-2013-306640
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Accumulating evidence suggests that microRNAs (miRNAs) play an important role in GC, but the role of specific miRNAs involved in this disease remains elusive. We performed next generation sequencing (NGS)-based whole-transcriptome profiling to discover GC-specific miRNAs, followed by functional validation of results. Design NGS-based miRNA profiles were generated in matched pairs of GCs and adjacent normal mucosa (NM). Quantitative RT-PCR validation of miR-29c expression was performed in 274 gastric tissues, which included two cohorts of matched GC and NM specimens. Functional validation of miR-29c and its gene targets was undertaken in cell lines, as well as K19-C2mE and K19-Wnt1/C2mE transgenic mice. Results NGS analysis revealed four GC-specific miRNAs. Among these, miR-29c expression was significantly decreased in GC versus NM tissues (p&lt;0.001). Ectopic expression of miR-29c mimics in GC cell lines resulted in reduced proliferation, adhesion, invasion and migration. High miR-29c expression suppressed xenograft tumour growth in nude mice. Direct interaction between miR-29c and its newly discovered target, ITGB1, was identified in cell lines and transgenic mice. MiR-29c expression demonstrated a stepwise decrease in wild type hyperplasia-dysplasia cascade in transgenic mice models of GC. Conclusions MiR-29c acts as a tumour suppressor in GC by directly targeting ITGB1. Loss of miR-29c expression is an early event in the initiation of gastric carcinogenesis and may serve as a diagnostic and therapeutic biomarker for patients with GC.</description><identifier>ISSN: 0017-5749</identifier><identifier>EISSN: 1468-3288</identifier><identifier>DOI: 10.1136/gutjnl-2013-306640</identifier><identifier>PMID: 24870620</identifier><identifier>CODEN: GUTTAK</identifier><language>eng</language><publisher>England: BMJ Publishing Group LTD</publisher><subject>Animals ; Carcinogenesis - genetics ; Carcinogenesis - pathology ; Cell Adhesion - genetics ; Cell Movement - genetics ; Cell Proliferation - genetics ; Epigenetics ; Female ; Gastric cancer ; Gene expression ; Gene Expression Profiling - methods ; Gene Expression Regulation, Neoplastic ; Heterografts ; Hospitals ; Humans ; Integrin beta1 - genetics ; Medical diagnosis ; Medical prognosis ; Metastasis ; Mice, Nude ; Mice, Transgenic ; MicroRNAs ; MicroRNAs - genetics ; Neoplasm Invasiveness ; Neoplasm Transplantation ; Pathogenesis ; Patients ; RNA, Neoplasm - genetics ; Rodents ; Stomach Neoplasms - genetics ; Stomach Neoplasms - pathology ; Studies ; Transcriptome ; Transgenic animals ; Tumor Cells, Cultured</subject><ispartof>Gut, 2015-02, Vol.64 (2), p.203-214</ispartof><rights>Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions</rights><rights>Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.</rights><rights>Copyright: 2015 Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-b637t-1a021f9d52754edd7ea1d1b280977ba33c4f8f450d4146acb087ef444c1989063</citedby><cites>FETCH-LOGICAL-b637t-1a021f9d52754edd7ea1d1b280977ba33c4f8f450d4146acb087ef444c1989063</cites><orcidid>0000-0002-6944-2718</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttp://gut.bmj.com/content/64/2/203.full.pdf$$EPDF$$P50$$Gbmj$$H</linktopdf><linktohtml>$$Uhttp://gut.bmj.com/content/64/2/203.full$$EHTML$$P50$$Gbmj$$H</linktohtml><link.rule.ids>114,115,230,314,723,776,780,881,3182,23551,27903,27904,53769,53771,77346,77377</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24870620$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Han, Tae-Su</creatorcontrib><creatorcontrib>Hur, Keun</creatorcontrib><creatorcontrib>Xu, Guorong</creatorcontrib><creatorcontrib>Choi, Boram</creatorcontrib><creatorcontrib>Okugawa, Yoshinaga</creatorcontrib><creatorcontrib>Toiyama, Yuji</creatorcontrib><creatorcontrib>Oshima, Hiroko</creatorcontrib><creatorcontrib>Oshima, Masanobu</creatorcontrib><creatorcontrib>Lee, Hyuk-Joon</creatorcontrib><creatorcontrib>Kim, V Narry</creatorcontrib><creatorcontrib>Chang, Aaron N</creatorcontrib><creatorcontrib>Goel, Ajay</creatorcontrib><creatorcontrib>Yang, Han-Kwang</creatorcontrib><title>MicroRNA-29c mediates initiation of gastric carcinogenesis by directly targeting ITGB1</title><title>Gut</title><addtitle>Gut</addtitle><description>Objective Gastric cancer (GC) remains difficult to cure due to heterogeneity in a clinical challenge and the molecular mechanisms underlying this disease are complex and not completely understood. Accumulating evidence suggests that microRNAs (miRNAs) play an important role in GC, but the role of specific miRNAs involved in this disease remains elusive. We performed next generation sequencing (NGS)-based whole-transcriptome profiling to discover GC-specific miRNAs, followed by functional validation of results. Design NGS-based miRNA profiles were generated in matched pairs of GCs and adjacent normal mucosa (NM). Quantitative RT-PCR validation of miR-29c expression was performed in 274 gastric tissues, which included two cohorts of matched GC and NM specimens. Functional validation of miR-29c and its gene targets was undertaken in cell lines, as well as K19-C2mE and K19-Wnt1/C2mE transgenic mice. Results NGS analysis revealed four GC-specific miRNAs. Among these, miR-29c expression was significantly decreased in GC versus NM tissues (p&lt;0.001). Ectopic expression of miR-29c mimics in GC cell lines resulted in reduced proliferation, adhesion, invasion and migration. High miR-29c expression suppressed xenograft tumour growth in nude mice. Direct interaction between miR-29c and its newly discovered target, ITGB1, was identified in cell lines and transgenic mice. MiR-29c expression demonstrated a stepwise decrease in wild type hyperplasia-dysplasia cascade in transgenic mice models of GC. Conclusions MiR-29c acts as a tumour suppressor in GC by directly targeting ITGB1. Loss of miR-29c expression is an early event in the initiation of gastric carcinogenesis and may serve as a diagnostic and therapeutic biomarker for patients with GC.</description><subject>Animals</subject><subject>Carcinogenesis - genetics</subject><subject>Carcinogenesis - pathology</subject><subject>Cell Adhesion - genetics</subject><subject>Cell Movement - genetics</subject><subject>Cell Proliferation - genetics</subject><subject>Epigenetics</subject><subject>Female</subject><subject>Gastric cancer</subject><subject>Gene expression</subject><subject>Gene Expression Profiling - methods</subject><subject>Gene Expression Regulation, Neoplastic</subject><subject>Heterografts</subject><subject>Hospitals</subject><subject>Humans</subject><subject>Integrin beta1 - genetics</subject><subject>Medical diagnosis</subject><subject>Medical prognosis</subject><subject>Metastasis</subject><subject>Mice, Nude</subject><subject>Mice, Transgenic</subject><subject>MicroRNAs</subject><subject>MicroRNAs - genetics</subject><subject>Neoplasm Invasiveness</subject><subject>Neoplasm Transplantation</subject><subject>Pathogenesis</subject><subject>Patients</subject><subject>RNA, Neoplasm - genetics</subject><subject>Rodents</subject><subject>Stomach Neoplasms - genetics</subject><subject>Stomach Neoplasms - pathology</subject><subject>Studies</subject><subject>Transcriptome</subject><subject>Transgenic animals</subject><subject>Tumor Cells, Cultured</subject><issn>0017-5749</issn><issn>1468-3288</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqNkU1rFTEUhoMo9lr9Ay4k4MZNbL4mHxuhLVoLtQWpbkMmkxlzmZvUJCPcf28uU4t25SqBPOflvHkAeE3we0KYOJmWuo0zopgwxLAQHD8BG8KFQowq9RRsMCYSdZLrI_CilC3GWClNnoMjypXEguIN-P4luJy-Xp8iqh3c-SHY6gsMMdR2CynCNMLJlpqDg85mF2KafPQlFNjv4RCyd3Xew2rz5GuIE7y8vTgjL8Gz0c7Fv7o_j8G3Tx9vzz-jq5uLy_PTK9QLJisiFlMy6qGjsuN-GKS3ZCA9VVhL2VvGHB_VyDs88NbLuh4r6UfOuSNaaSzYMfiw5t4tfVve-Viznc1dDjub9ybZYP59ieGHmdIvw5ninOgW8O4-IKefiy_V7EJxfp5t9GkphiishJJSH9C3j9BtWnJs9QxpABddRw8UXan2raVkPz4sQ7A5aDOrNnPQZlZtbejN3zUeRv54agBagX63_Z_A3wOhoxQ</recordid><startdate>20150201</startdate><enddate>20150201</enddate><creator>Han, Tae-Su</creator><creator>Hur, Keun</creator><creator>Xu, Guorong</creator><creator>Choi, Boram</creator><creator>Okugawa, Yoshinaga</creator><creator>Toiyama, Yuji</creator><creator>Oshima, Hiroko</creator><creator>Oshima, Masanobu</creator><creator>Lee, Hyuk-Joon</creator><creator>Kim, V Narry</creator><creator>Chang, Aaron N</creator><creator>Goel, Ajay</creator><creator>Yang, Han-Kwang</creator><general>BMJ Publishing Group LTD</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88I</scope><scope>8AF</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BTHHO</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>7T5</scope><scope>H94</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-6944-2718</orcidid></search><sort><creationdate>20150201</creationdate><title>MicroRNA-29c mediates initiation of gastric carcinogenesis by directly targeting ITGB1</title><author>Han, Tae-Su ; Hur, Keun ; Xu, Guorong ; Choi, Boram ; Okugawa, Yoshinaga ; Toiyama, Yuji ; Oshima, Hiroko ; Oshima, Masanobu ; Lee, Hyuk-Joon ; Kim, V Narry ; Chang, Aaron N ; Goel, Ajay ; Yang, Han-Kwang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b637t-1a021f9d52754edd7ea1d1b280977ba33c4f8f450d4146acb087ef444c1989063</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Animals</topic><topic>Carcinogenesis - genetics</topic><topic>Carcinogenesis - pathology</topic><topic>Cell Adhesion - genetics</topic><topic>Cell Movement - genetics</topic><topic>Cell Proliferation - genetics</topic><topic>Epigenetics</topic><topic>Female</topic><topic>Gastric cancer</topic><topic>Gene expression</topic><topic>Gene Expression Profiling - methods</topic><topic>Gene Expression Regulation, Neoplastic</topic><topic>Heterografts</topic><topic>Hospitals</topic><topic>Humans</topic><topic>Integrin beta1 - genetics</topic><topic>Medical diagnosis</topic><topic>Medical prognosis</topic><topic>Metastasis</topic><topic>Mice, Nude</topic><topic>Mice, Transgenic</topic><topic>MicroRNAs</topic><topic>MicroRNAs - genetics</topic><topic>Neoplasm Invasiveness</topic><topic>Neoplasm Transplantation</topic><topic>Pathogenesis</topic><topic>Patients</topic><topic>RNA, Neoplasm - genetics</topic><topic>Rodents</topic><topic>Stomach Neoplasms - genetics</topic><topic>Stomach Neoplasms - pathology</topic><topic>Studies</topic><topic>Transcriptome</topic><topic>Transgenic animals</topic><topic>Tumor Cells, Cultured</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Han, Tae-Su</creatorcontrib><creatorcontrib>Hur, Keun</creatorcontrib><creatorcontrib>Xu, Guorong</creatorcontrib><creatorcontrib>Choi, Boram</creatorcontrib><creatorcontrib>Okugawa, Yoshinaga</creatorcontrib><creatorcontrib>Toiyama, Yuji</creatorcontrib><creatorcontrib>Oshima, Hiroko</creatorcontrib><creatorcontrib>Oshima, Masanobu</creatorcontrib><creatorcontrib>Lee, Hyuk-Joon</creatorcontrib><creatorcontrib>Kim, V Narry</creatorcontrib><creatorcontrib>Chang, Aaron N</creatorcontrib><creatorcontrib>Goel, Ajay</creatorcontrib><creatorcontrib>Yang, Han-Kwang</creatorcontrib><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>Health &amp; 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Accumulating evidence suggests that microRNAs (miRNAs) play an important role in GC, but the role of specific miRNAs involved in this disease remains elusive. We performed next generation sequencing (NGS)-based whole-transcriptome profiling to discover GC-specific miRNAs, followed by functional validation of results. Design NGS-based miRNA profiles were generated in matched pairs of GCs and adjacent normal mucosa (NM). Quantitative RT-PCR validation of miR-29c expression was performed in 274 gastric tissues, which included two cohorts of matched GC and NM specimens. Functional validation of miR-29c and its gene targets was undertaken in cell lines, as well as K19-C2mE and K19-Wnt1/C2mE transgenic mice. Results NGS analysis revealed four GC-specific miRNAs. Among these, miR-29c expression was significantly decreased in GC versus NM tissues (p&lt;0.001). Ectopic expression of miR-29c mimics in GC cell lines resulted in reduced proliferation, adhesion, invasion and migration. High miR-29c expression suppressed xenograft tumour growth in nude mice. Direct interaction between miR-29c and its newly discovered target, ITGB1, was identified in cell lines and transgenic mice. MiR-29c expression demonstrated a stepwise decrease in wild type hyperplasia-dysplasia cascade in transgenic mice models of GC. Conclusions MiR-29c acts as a tumour suppressor in GC by directly targeting ITGB1. Loss of miR-29c expression is an early event in the initiation of gastric carcinogenesis and may serve as a diagnostic and therapeutic biomarker for patients with GC.</abstract><cop>England</cop><pub>BMJ Publishing Group LTD</pub><pmid>24870620</pmid><doi>10.1136/gutjnl-2013-306640</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-6944-2718</orcidid><oa>free_for_read</oa></addata></record>
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subjects Animals
Carcinogenesis - genetics
Carcinogenesis - pathology
Cell Adhesion - genetics
Cell Movement - genetics
Cell Proliferation - genetics
Epigenetics
Female
Gastric cancer
Gene expression
Gene Expression Profiling - methods
Gene Expression Regulation, Neoplastic
Heterografts
Hospitals
Humans
Integrin beta1 - genetics
Medical diagnosis
Medical prognosis
Metastasis
Mice, Nude
Mice, Transgenic
MicroRNAs
MicroRNAs - genetics
Neoplasm Invasiveness
Neoplasm Transplantation
Pathogenesis
Patients
RNA, Neoplasm - genetics
Rodents
Stomach Neoplasms - genetics
Stomach Neoplasms - pathology
Studies
Transcriptome
Transgenic animals
Tumor Cells, Cultured
title MicroRNA-29c mediates initiation of gastric carcinogenesis by directly targeting ITGB1
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