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<PubmedArticle><MedlineCitation Status="MEDLINE" Owner="NLM" IndexingMethod="Curated"><PMID Version="1">33550476</PMID><DateCompleted><Year>2021</Year><Month>04</Month><Day>23</Day></DateCompleted><DateRevised><Year>2022</Year><Month>05</Month><Day>31</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1434-4726</ISSN><JournalIssue CitedMedium="Internet"><Volume>278</Volume><Issue>5</Issue><PubDate><Year>2021</Year><Month>May</Month></PubDate></JournalIssue><Title>European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery</Title><ISOAbbreviation>Eur Arch Otorhinolaryngol</ISOAbbreviation></Journal><ArticleTitle>LncRNA FEZF1-AS1 accelerates the migration and invasion of laryngeal squamous cell carcinoma cells through miR-4497 targeting GBX2.</ArticleTitle><Pagination><StartPage>1523</StartPage><EndPage>1535</EndPage><MedlinePgn>1523-1535</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00405-021-06636-5</ELocationID><Abstract><AbstractText Label="BACKGROUND" NlmCategory="BACKGROUND">MiR-4497 has been previously proved to exert an anti-cancer role in laryngeal squamous cell carcinoma (LSCC) by negatively regulating gastrulation brain homeobox 2 (GBX2). However, the mechanism of miR-4497 in LSCC has yet to be fully elucidated. This study intended to investigate the role of FEZF1-AS1 in the migration and invasion of LSCC cells and clarified its mechanism through miR-4497 and GBX2.</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">qPCR evaluated the expression of FEZF1-AS1, miR-4497 and GBX2 in LSCC tissues and cells, compared with controls. Western blotting analyzed GBX2, E-cadherin, N-cadherin and Vimentin. CCK8, wound healing and transwell assays assessed the viability, migration and invasion of TU686 and UM-SCC-17A cells. Luciferase reporter assay affirmed the interplay of miR-4497 with FEZF1-AS1 or GBX2 and Pearson's correlation analysis explored the association between each two genes in both tumor and non-tumor tissues.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">FEZF1-AS1 was highly expressed in LSCC tissues and cells. Silence or elevation of FEZF1-AS1 inhibited or promoted the migration and invasion of TU686 and UM-SCC-17A cells. FEZF1-AS1 targeted and negatively modulated miR-4497. Inhibition of miR-4497 markedly restored the FEZF1-AS1 silence-repressed cell viability of TU686 and UM-SCC-17A cells. Further, FEZF1-AS1 could positively regulate GBX2 via negative regulation of miR-4497. In these two cells, GBX2 deficiency reversed the promoting impacts of miR-4497 repression on migration and invasion.</AbstractText><AbstractText Label="CONCLUSION" NlmCategory="CONCLUSIONS">Taken together, FEZF1-AS1, heightened in LSCC tissues and cells, promotes cell migration and invasion of LSCC cells via targeting miR-4497 that inhibits GBX2. The finding may offer new options for the treatment of this cancer.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Chen</LastName><ForeName>Xudong</ForeName><Initials>X</Initials><Identifier Source="ORCID">0000-0002-1673-4696</Identifier><AffiliationInfo><Affiliation>Department of Otolaryngology, First Hospital of Ningbo City, Ningbo, Zhejiang, 315000, People's Republic of China. chenxudong_xdc@163.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Cheng</LastName><ForeName>Peng</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>Department of Otolaryngology, First Hospital of Ningbo City, Ningbo, Zhejiang, 315000, People's Republic of China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hu</LastName><ForeName>Cihao</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Department of Otolaryngology, First Hospital of Ningbo City, Ningbo, Zhejiang, 315000, People's Republic of China.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><GrantID>2020360873</GrantID><Agency>the Medical and Health Project of Zhejiang Province</Agency><Country/></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2021</Year><Month>02</Month><Day>07</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Eur Arch Otorhinolaryngol</MedlineTA><NlmUniqueID>9002937</NlmUniqueID><ISSNLinking>0937-4477</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="C084958">GBX2 protein, human</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D018398">Homeodomain Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="C000631510">MIRN4497 microRNA, human</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D035683">MicroRNAs</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D062085">RNA, Long Noncoding</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D049109" MajorTopicYN="N">Cell Proliferation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006258" MajorTopicYN="Y">Head and Neck Neoplasms</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018398" MajorTopicYN="N">Homeodomain Proteins</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D035683" MajorTopicYN="Y">MicroRNAs</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D062085" MajorTopicYN="Y">RNA, Long Noncoding</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000077195" MajorTopicYN="N">Squamous Cell Carcinoma of Head and Neck</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">FEZF1-AS1</Keyword><Keyword MajorTopicYN="N">GBX2</Keyword><Keyword MajorTopicYN="N">Invasion</Keyword><Keyword MajorTopicYN="N">Laryngeal squamous cell carcinoma</Keyword><Keyword MajorTopicYN="N">Migration</Keyword><Keyword MajorTopicYN="N">miR-4497</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2020</Year><Month>10</Month><Day>14</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2021</Year><Month>1</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2021</Year><Month>2</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2021</Year><Month>4</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2021</Year><Month>2</Month><Day>7</Day><Hour>20</Hour><Minute>52</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">33550476</ArticleId><ArticleId IdType="doi">10.1007/s00405-021-06636-5</ArticleId><ArticleId IdType="pii">10.1007/s00405-021-06636-5</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Zhang X, Cavus O, Zhou Y, Dusitkasem S (2018) Airway management during anesthetic induction of secondary laryngectomy for recurrent laryngeal cancer: three cases of report and analysis. 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