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Down-regulated REIC expression in lung carcinogenesis: a molecular target for gene therapy

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dc.contributor.authorYang, Lei
dc.contributor.authorZhao, Shuang
dc.contributor.authorXia, Pu
dc.contributor.authorZheng, Hua Chuan
dc.date.accessioned2022-05-09T08:59:02Z
dc.date.available2022-05-09T08:59:02Z
dc.date.issued2018
dc.description.abstractREIC (Reduced Expression in Immortalized Cells) gene is down-regulated in immortalized cells, compared with the normal parental counterparts. Its encoding protein could inhibit colony formation, tumor growth, and induce apoptosis. To investigate the roles of REIC expression in lung cancer, we examined REIC expression in lung cancer cells and tissues by RT-PCR or Western blot, and observed the effects of both recombinant REIC exposure and REIC overexpression on the aggressive phenotypes of lung cancer cells. It was found that the demethylation of REIC promoter by 5- Aza-dC could reserve its mRNA expression in lung cancer cells (P<0.05). There was a lower REIC mRNA expression in lung cancer than that in matched normal tissue (P<0.05). Recombinant REIC treatment enhanced the proliferation of lung cancer cells (P<0.05), but versa for REIC overexpression (P<0.05). Both recombinant REIC treatment and REIC overexpression induced apoptosis, and inhibited the migration and invasion of SQ-5 and KJ cells (P<0.05). Immunohistochemically, there was a positive correlation between REIC and Caspase-3 expression in lung cancer (P<0.05). According to Kaplan-Meier plotter, REIC mRNA overexpression was found to positively correlate with overall, progression-free and post- progression survival rates of lung cancer patients (P<0.05), even stratified by sex, histological subtyping, grading, TNM staging, chemotherapy, radiotherapy, or smoking. These findings suggested that down-regulated REIC expression might be involved in lung carcinogenesis due to its promoter methylation. Both recombinant REIC exposure and REIC overexpression might reverse the aggressive phenotypes of lung cancer cells. REIC may be employed as a potential target of gene therapy for lung cancer.es
dc.formatapplication/pdfes
dc.format.extent14es
dc.identifier.doiDOI: 10.14670/HH-11-964
dc.identifier.eisbnHistology and Histopathology, Vol.33, nÂş7, (2018)es
dc.identifier.issn1699-5848
dc.identifier.issn0213-3911
dc.identifier.urihttp://hdl.handle.net/10201/119715
dc.languageenges
dc.publisherUniversidad de Murcia. Departamento de BiologĂ­a Celular e HistologĂ­aes
dc.relationSin financiaciĂłn externa a la Universidades
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectREICes
dc.subjectLung canceres
dc.subjectCarcinogenesises
dc.subjectPhenotypeses
dc.subjectPrognosises
dc.subject.otherCDU::6 - Ciencias aplicadas::61 - Medicina::616 - PatologĂ­a. Medicina clĂ­nica. OncologĂ­aes
dc.titleDown-regulated REIC expression in lung carcinogenesis: a molecular target for gene therapyes
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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Histology and histopathology Vol.33, nÂş7 (2018)