MicroRNA-520a-5p displays a therapeutic effect upon chronic myelogenous leukemia cells by targeting STAT3 and enhances the anticarcinogenic role of capsaicin
Aberrant expression profiles of microRNAs (miRNAs) have been previously demonstrated for having essential roles in a wide range of cancer types including leukemia. Antiproliferative or proapoptotic effects of capsaicin have been reported in several cancers. We aimed to study miRNAs involved in the J...
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Veröffentlicht in: | Tumor biology 2014-09, Vol.35 (9), p.8733-8742 |
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description | Aberrant expression profiles of microRNAs (miRNAs) have been previously demonstrated for having essential roles in a wide range of cancer types including leukemia. Antiproliferative or proapoptotic effects of capsaicin have been reported in several cancers. We aimed to study miRNAs involved in the Janus kinase/signal transducers and activators of transcription (JAK/STAT) pathway in chronic myeloid leukemia cell model and the effects of the capsaicin treatment on cell proliferation and miRNA regulation. miR-520a-5p expression was extremely downregulated in capsaicin-treated cells. Repressing the level of miR-520a-5p by transient transfection with specific miRNA inhibitor oligonucleotides resulted in induced inhibition of proliferation in leukemic cells. According to bioinformatics analysis, STAT3 messenger RNA was predicted as a putative miR-520a-5p target; which was confirmed by quantitative reverse transcriptase–polymerase chain reaction (qRT-PCR) and Western blot analysis. Cell proliferation inhibition was enhanced upon knockdown of STAT3 by RNA interference applications, but when miR-520a-5p inhibitor was additionally transfected onto STAT3 silenced cells, cell viability was dramatically decreased in leukemia cells. Finally, we observed the effects of capsaicin following miR-520a-5p inhibitor transfection upon cell proliferation, apoptosis, and STAT3 expression levels. We determined that, downregulation of miR-520a-5p affected the proliferation inhibition enhanced by capsaicin and reduced STAT3 mRNA and protein expression levels and increased apoptotic cell number. In summary, miR-520a-5p displays a therapeutic effect by targeting STAT3 and impacting the anticancer effects of capsaicin; whereas capsaicin, potentially through the miR-520a-5p/STAT3 interaction, induces apoptosis and inhibits K562 leukemic cell proliferation with need of further investigation. |
doi_str_mv | 10.1007/s13277-014-2138-z |
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Antiproliferative or proapoptotic effects of capsaicin have been reported in several cancers. We aimed to study miRNAs involved in the Janus kinase/signal transducers and activators of transcription (JAK/STAT) pathway in chronic myeloid leukemia cell model and the effects of the capsaicin treatment on cell proliferation and miRNA regulation. miR-520a-5p expression was extremely downregulated in capsaicin-treated cells. Repressing the level of miR-520a-5p by transient transfection with specific miRNA inhibitor oligonucleotides resulted in induced inhibition of proliferation in leukemic cells. According to bioinformatics analysis, STAT3 messenger RNA was predicted as a putative miR-520a-5p target; which was confirmed by quantitative reverse transcriptase–polymerase chain reaction (qRT-PCR) and Western blot analysis. Cell proliferation inhibition was enhanced upon knockdown of STAT3 by RNA interference applications, but when miR-520a-5p inhibitor was additionally transfected onto STAT3 silenced cells, cell viability was dramatically decreased in leukemia cells. Finally, we observed the effects of capsaicin following miR-520a-5p inhibitor transfection upon cell proliferation, apoptosis, and STAT3 expression levels. We determined that, downregulation of miR-520a-5p affected the proliferation inhibition enhanced by capsaicin and reduced STAT3 mRNA and protein expression levels and increased apoptotic cell number. In summary, miR-520a-5p displays a therapeutic effect by targeting STAT3 and impacting the anticancer effects of capsaicin; whereas capsaicin, potentially through the miR-520a-5p/STAT3 interaction, induces apoptosis and inhibits K562 leukemic cell proliferation with need of further investigation.</description><identifier>ISSN: 1010-4283</identifier><identifier>EISSN: 1423-0380</identifier><identifier>DOI: 10.1007/s13277-014-2138-z</identifier><identifier>PMID: 24870597</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Anticarcinogenic Agents - pharmacology ; Apoptosis ; Apoptosis - drug effects ; Apoptosis - genetics ; Biomedical and Life Sciences ; Biomedicine ; Blotting, Western ; Cancer ; Cancer Research ; Capsaicin - pharmacology ; Cell Proliferation - drug effects ; Cell Survival - drug effects ; Cell Survival - genetics ; Cells ; Dose-Response Relationship, Drug ; Down-Regulation ; Drug therapy ; Gene Expression Regulation, Leukemic ; Humans ; K562 Cells ; Leukemia ; Leukemia, Myelogenous, Chronic, BCR-ABL Positive - genetics ; Leukemia, Myelogenous, Chronic, BCR-ABL Positive - pathology ; MicroRNAs - genetics ; Polymerase chain reaction ; Research Article ; Reverse Transcriptase Polymerase Chain Reaction ; Ribonucleic acid ; RNA ; RNA Interference ; RNA, Messenger - genetics ; RNA, Messenger - metabolism ; STAT3 Transcription Factor - genetics ; STAT3 Transcription Factor - metabolism ; Time Factors</subject><ispartof>Tumor biology, 2014-09, Vol.35 (9), p.8733-8742</ispartof><rights>International Society of Oncology and BioMarkers (ISOBM) 2014</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c464t-490af194ad5cf7a4d7fac881ca9d0be2da499167d5a53f40352b09ad2fa29873</citedby><cites>FETCH-LOGICAL-c464t-490af194ad5cf7a4d7fac881ca9d0be2da499167d5a53f40352b09ad2fa29873</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s13277-014-2138-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s13277-014-2138-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24870597$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kaymaz, Burçin Tezcanlı</creatorcontrib><creatorcontrib>Çetintaş, Vildan Bozok</creatorcontrib><creatorcontrib>Aktan, Çağdaş</creatorcontrib><creatorcontrib>Kosova, Buket</creatorcontrib><title>MicroRNA-520a-5p displays a therapeutic effect upon chronic myelogenous leukemia cells by targeting STAT3 and enhances the anticarcinogenic role of capsaicin</title><title>Tumor biology</title><addtitle>Tumor Biol</addtitle><addtitle>Tumour Biol</addtitle><description>Aberrant expression profiles of microRNAs (miRNAs) have been previously demonstrated for having essential roles in a wide range of cancer types including leukemia. Antiproliferative or proapoptotic effects of capsaicin have been reported in several cancers. We aimed to study miRNAs involved in the Janus kinase/signal transducers and activators of transcription (JAK/STAT) pathway in chronic myeloid leukemia cell model and the effects of the capsaicin treatment on cell proliferation and miRNA regulation. miR-520a-5p expression was extremely downregulated in capsaicin-treated cells. Repressing the level of miR-520a-5p by transient transfection with specific miRNA inhibitor oligonucleotides resulted in induced inhibition of proliferation in leukemic cells. According to bioinformatics analysis, STAT3 messenger RNA was predicted as a putative miR-520a-5p target; which was confirmed by quantitative reverse transcriptase–polymerase chain reaction (qRT-PCR) and Western blot analysis. Cell proliferation inhibition was enhanced upon knockdown of STAT3 by RNA interference applications, but when miR-520a-5p inhibitor was additionally transfected onto STAT3 silenced cells, cell viability was dramatically decreased in leukemia cells. Finally, we observed the effects of capsaicin following miR-520a-5p inhibitor transfection upon cell proliferation, apoptosis, and STAT3 expression levels. We determined that, downregulation of miR-520a-5p affected the proliferation inhibition enhanced by capsaicin and reduced STAT3 mRNA and protein expression levels and increased apoptotic cell number. In summary, miR-520a-5p displays a therapeutic effect by targeting STAT3 and impacting the anticancer effects of capsaicin; whereas capsaicin, potentially through the miR-520a-5p/STAT3 interaction, induces apoptosis and inhibits K562 leukemic cell proliferation with need of further investigation.</description><subject>Anticarcinogenic Agents - pharmacology</subject><subject>Apoptosis</subject><subject>Apoptosis - drug effects</subject><subject>Apoptosis - genetics</subject><subject>Biomedical and Life Sciences</subject><subject>Biomedicine</subject><subject>Blotting, Western</subject><subject>Cancer</subject><subject>Cancer Research</subject><subject>Capsaicin - pharmacology</subject><subject>Cell Proliferation - drug effects</subject><subject>Cell Survival - drug effects</subject><subject>Cell Survival - genetics</subject><subject>Cells</subject><subject>Dose-Response Relationship, Drug</subject><subject>Down-Regulation</subject><subject>Drug therapy</subject><subject>Gene Expression Regulation, Leukemic</subject><subject>Humans</subject><subject>K562 Cells</subject><subject>Leukemia</subject><subject>Leukemia, Myelogenous, Chronic, BCR-ABL Positive - genetics</subject><subject>Leukemia, Myelogenous, Chronic, BCR-ABL Positive - pathology</subject><subject>MicroRNAs - genetics</subject><subject>Polymerase chain reaction</subject><subject>Research Article</subject><subject>Reverse Transcriptase Polymerase Chain Reaction</subject><subject>Ribonucleic acid</subject><subject>RNA</subject><subject>RNA Interference</subject><subject>RNA, Messenger - genetics</subject><subject>RNA, Messenger - metabolism</subject><subject>STAT3 Transcription Factor - genetics</subject><subject>STAT3 Transcription Factor - metabolism</subject><subject>Time Factors</subject><issn>1010-4283</issn><issn>1423-0380</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp1kc1u1DAUhS0EomXgAdggS2zYGK4dJ46Xo4qfSgUkmH10x7meSUmcYCeL6bvwrjiaUiEkVraOz_ns68PYSwlvJYB5l2ShjBEgtVCyqMXdI3YptSoEFDU8znuQILSqiwv2LKVbAFlaWz1lF0rXBkprLtmvz52L47cvW1EqQFFOvO3S1OMpceTzkSJOtMyd4-Q9uZkv0xi4O8YxZG04UT8eKIxL4j0tP2jokDvq-8T3Jz5jPNDchQP_vtvuCo6h5RSOGBylFZ2FDMbourBCMi-OPfHRc4dTwi7rz9kTj32iF_frhu0-vN9dfRI3Xz9eX21vhNOVnoW2gF5ajW3pvEHdGo-urqVD28KeVIvaWlmZtsSy8BqKUu3BYqs8KlubYsPenLFTHH8ulOZm6NI6BwbKszWykrUsTc5l6-t_rLfjEkN-XHaBVZWCzN8weXblv00pkm-m2A0YT42EZq2uOVfX5OqatbrmLmde3ZOX_UDtQ-JPV9mgzoaUj8KB4l9X_5f6G-6mpig</recordid><startdate>20140901</startdate><enddate>20140901</enddate><creator>Kaymaz, Burçin Tezcanlı</creator><creator>Çetintaş, Vildan Bozok</creator><creator>Aktan, Çağdaş</creator><creator>Kosova, Buket</creator><general>Springer Netherlands</general><general>Springer Nature B.V</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>7T5</scope><scope>7TO</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>M7P</scope><scope>MBDVC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>7TM</scope></search><sort><creationdate>20140901</creationdate><title>MicroRNA-520a-5p displays a therapeutic effect upon chronic myelogenous leukemia cells by targeting STAT3 and enhances the anticarcinogenic role of capsaicin</title><author>Kaymaz, Burçin Tezcanlı ; Çetintaş, Vildan Bozok ; Aktan, Çağdaş ; Kosova, Buket</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c464t-490af194ad5cf7a4d7fac881ca9d0be2da499167d5a53f40352b09ad2fa29873</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Anticarcinogenic Agents - pharmacology</topic><topic>Apoptosis</topic><topic>Apoptosis - drug effects</topic><topic>Apoptosis - genetics</topic><topic>Biomedical and Life Sciences</topic><topic>Biomedicine</topic><topic>Blotting, Western</topic><topic>Cancer</topic><topic>Cancer Research</topic><topic>Capsaicin - pharmacology</topic><topic>Cell Proliferation - drug effects</topic><topic>Cell Survival - drug effects</topic><topic>Cell Survival - genetics</topic><topic>Cells</topic><topic>Dose-Response Relationship, Drug</topic><topic>Down-Regulation</topic><topic>Drug therapy</topic><topic>Gene Expression Regulation, Leukemic</topic><topic>Humans</topic><topic>K562 Cells</topic><topic>Leukemia</topic><topic>Leukemia, Myelogenous, Chronic, BCR-ABL Positive - genetics</topic><topic>Leukemia, Myelogenous, Chronic, BCR-ABL Positive - pathology</topic><topic>MicroRNAs - genetics</topic><topic>Polymerase chain reaction</topic><topic>Research Article</topic><topic>Reverse Transcriptase Polymerase Chain Reaction</topic><topic>Ribonucleic acid</topic><topic>RNA</topic><topic>RNA Interference</topic><topic>RNA, Messenger - genetics</topic><topic>RNA, Messenger - metabolism</topic><topic>STAT3 Transcription Factor - genetics</topic><topic>STAT3 Transcription Factor - metabolism</topic><topic>Time Factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kaymaz, Burçin Tezcanlı</creatorcontrib><creatorcontrib>Çetintaş, Vildan Bozok</creatorcontrib><creatorcontrib>Aktan, Çağdaş</creatorcontrib><creatorcontrib>Kosova, Buket</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>Immunology Abstracts</collection><collection>Oncogenes and Growth Factors Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Research Library</collection><collection>Biological Science Database</collection><collection>Research Library (Corporate)</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest Central Basic</collection><collection>Nucleic Acids Abstracts</collection><jtitle>Tumor biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kaymaz, Burçin Tezcanlı</au><au>Çetintaş, Vildan Bozok</au><au>Aktan, Çağdaş</au><au>Kosova, Buket</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>MicroRNA-520a-5p displays a therapeutic effect upon chronic myelogenous leukemia cells by targeting STAT3 and enhances the anticarcinogenic role of capsaicin</atitle><jtitle>Tumor biology</jtitle><stitle>Tumor Biol</stitle><addtitle>Tumour Biol</addtitle><date>2014-09-01</date><risdate>2014</risdate><volume>35</volume><issue>9</issue><spage>8733</spage><epage>8742</epage><pages>8733-8742</pages><issn>1010-4283</issn><eissn>1423-0380</eissn><abstract>Aberrant expression profiles of microRNAs (miRNAs) have been previously demonstrated for having essential roles in a wide range of cancer types including leukemia. Antiproliferative or proapoptotic effects of capsaicin have been reported in several cancers. We aimed to study miRNAs involved in the Janus kinase/signal transducers and activators of transcription (JAK/STAT) pathway in chronic myeloid leukemia cell model and the effects of the capsaicin treatment on cell proliferation and miRNA regulation. miR-520a-5p expression was extremely downregulated in capsaicin-treated cells. Repressing the level of miR-520a-5p by transient transfection with specific miRNA inhibitor oligonucleotides resulted in induced inhibition of proliferation in leukemic cells. According to bioinformatics analysis, STAT3 messenger RNA was predicted as a putative miR-520a-5p target; which was confirmed by quantitative reverse transcriptase–polymerase chain reaction (qRT-PCR) and Western blot analysis. Cell proliferation inhibition was enhanced upon knockdown of STAT3 by RNA interference applications, but when miR-520a-5p inhibitor was additionally transfected onto STAT3 silenced cells, cell viability was dramatically decreased in leukemia cells. Finally, we observed the effects of capsaicin following miR-520a-5p inhibitor transfection upon cell proliferation, apoptosis, and STAT3 expression levels. We determined that, downregulation of miR-520a-5p affected the proliferation inhibition enhanced by capsaicin and reduced STAT3 mRNA and protein expression levels and increased apoptotic cell number. In summary, miR-520a-5p displays a therapeutic effect by targeting STAT3 and impacting the anticancer effects of capsaicin; whereas capsaicin, potentially through the miR-520a-5p/STAT3 interaction, induces apoptosis and inhibits K562 leukemic cell proliferation with need of further investigation.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><pmid>24870597</pmid><doi>10.1007/s13277-014-2138-z</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Anticarcinogenic Agents - pharmacology Apoptosis Apoptosis - drug effects Apoptosis - genetics Biomedical and Life Sciences Biomedicine Blotting, Western Cancer Cancer Research Capsaicin - pharmacology Cell Proliferation - drug effects Cell Survival - drug effects Cell Survival - genetics Cells Dose-Response Relationship, Drug Down-Regulation Drug therapy Gene Expression Regulation, Leukemic Humans K562 Cells Leukemia Leukemia, Myelogenous, Chronic, BCR-ABL Positive - genetics Leukemia, Myelogenous, Chronic, BCR-ABL Positive - pathology MicroRNAs - genetics Polymerase chain reaction Research Article Reverse Transcriptase Polymerase Chain Reaction Ribonucleic acid RNA RNA Interference RNA, Messenger - genetics RNA, Messenger - metabolism STAT3 Transcription Factor - genetics STAT3 Transcription Factor - metabolism Time Factors |
title | MicroRNA-520a-5p displays a therapeutic effect upon chronic myelogenous leukemia cells by targeting STAT3 and enhances the anticarcinogenic role of capsaicin |
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