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- PMID: 23280823
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Article: Targeting of DICE1 tumor suppressor by Epstein-Barr virus-encoded miR-BART3* microRNA in nasopharyngeal carcinoma
Title | Targeting of DICE1 tumor suppressor by Epstein-Barr virus-encoded miR-BART3* microRNA in nasopharyngeal carcinoma |
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Authors | |
Keywords | DICE1 tumor suppressor EBV-encoded microRNAs Epstein-Barr virus (EBV) nasopharyngeal carcinoma |
Issue Date | 2013 |
Publisher | John Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/journal/29331/home |
Citation | International Journal of Cancer, 2013, v. 133 n. 1, p. 79-87 How to Cite? |
Abstract | Latent infection with Epstein-Barr virus (EBV) is associated with several types of malignancies including nasopharyngeal carcinoma (NPC), which is particularly more prevalent in Southern China. EBV expresses at least 44 mature microRNAs (miRNAs) to modulate the activity of viral and cellular RNAs, but the targets of these EBV-encoded miRNAs in NPC are not well understood. In this report, we characterized DICE1 tumor suppressor to be a cellular target of EBV miR-BART3* miRNA. miR-BART3* was abundantly expressed in NPC cells. The target site of miR-BART3* located in the 3'-untranslated region of DICE1 transcript was identified and characterized. Enforced expression of miR-BART3* or its precursor pre-miR-BART3 led to down-regulation of endogenous DICE1 expression. Inhibition of endogenous miR-BART3* in NPC cells with anti-miR-BART3* oligonucleotide inhibitor resulted in increased expression of DICE1 protein. On the contrary, expression of miR-BART3* overcame the growth suppressive activity of DICE1 and stimulated cell proliferation. Consistent with its tumor suppressive function, DICE1 was underexpressed in EBV-expressing NPC tumor tissues. Taken together, our findings suggest that EBV encoded miR-BART3* miRNA targets DICE1 tumor suppressor to promote cellular growth and transformation in NPC. |
Persistent Identifier | http://hdl.handle.net/10722/188858 |
ISSN | 2023 Impact Factor: 5.7 2023 SCImago Journal Rankings: 2.131 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Lei, T | en_US |
dc.contributor.author | Yuen, KS | en_US |
dc.contributor.author | Xu, R | en_US |
dc.contributor.author | Tsao, GSW | en_US |
dc.contributor.author | Chen, H | en_US |
dc.contributor.author | Li, M | en_US |
dc.contributor.author | Kok, KH | en_US |
dc.contributor.author | Jin, D | en_US |
dc.date.accessioned | 2013-09-17T14:17:38Z | - |
dc.date.available | 2013-09-17T14:17:38Z | - |
dc.date.issued | 2013 | en_US |
dc.identifier.citation | International Journal of Cancer, 2013, v. 133 n. 1, p. 79-87 | en_US |
dc.identifier.issn | 0020-7136 | - |
dc.identifier.uri | http://hdl.handle.net/10722/188858 | - |
dc.description.abstract | Latent infection with Epstein-Barr virus (EBV) is associated with several types of malignancies including nasopharyngeal carcinoma (NPC), which is particularly more prevalent in Southern China. EBV expresses at least 44 mature microRNAs (miRNAs) to modulate the activity of viral and cellular RNAs, but the targets of these EBV-encoded miRNAs in NPC are not well understood. In this report, we characterized DICE1 tumor suppressor to be a cellular target of EBV miR-BART3* miRNA. miR-BART3* was abundantly expressed in NPC cells. The target site of miR-BART3* located in the 3'-untranslated region of DICE1 transcript was identified and characterized. Enforced expression of miR-BART3* or its precursor pre-miR-BART3 led to down-regulation of endogenous DICE1 expression. Inhibition of endogenous miR-BART3* in NPC cells with anti-miR-BART3* oligonucleotide inhibitor resulted in increased expression of DICE1 protein. On the contrary, expression of miR-BART3* overcame the growth suppressive activity of DICE1 and stimulated cell proliferation. Consistent with its tumor suppressive function, DICE1 was underexpressed in EBV-expressing NPC tumor tissues. Taken together, our findings suggest that EBV encoded miR-BART3* miRNA targets DICE1 tumor suppressor to promote cellular growth and transformation in NPC. | - |
dc.language | eng | en_US |
dc.publisher | John Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/journal/29331/home | - |
dc.relation.ispartof | International Journal of Cancer | en_US |
dc.rights | International Journal of Cancer. Copyright © John Wiley & Sons, Inc.. | - |
dc.subject | DICE1 tumor suppressor | - |
dc.subject | EBV-encoded microRNAs | - |
dc.subject | Epstein-Barr virus (EBV) | - |
dc.subject | nasopharyngeal carcinoma | - |
dc.subject.mesh | Epstein-Barr Virus Infections - complications - metabolism | - |
dc.subject.mesh | Gene Silencing | - |
dc.subject.mesh | Herpesvirus 4, Human | - |
dc.subject.mesh | MicroRNAs - genetics - metabolism | - |
dc.subject.mesh | Nasopharyngeal Neoplasms - virology | - |
dc.title | Targeting of DICE1 tumor suppressor by Epstein-Barr virus-encoded miR-BART3* microRNA in nasopharyngeal carcinoma | en_US |
dc.type | Article | en_US |
dc.identifier.email | Tsao, GSW: gswtsao@hku.hk | en_US |
dc.identifier.email | Chen, H: hlchen@hku.hk | en_US |
dc.identifier.email | Kok, KH: khkok@hku.hk | en_US |
dc.identifier.email | Jin, D: dyjin@hku.hk | en_US |
dc.identifier.authority | Tsao, GSW=rp00399 | en_US |
dc.identifier.authority | Chen, H=rp00383 | en_US |
dc.identifier.authority | Kok, KH=rp01455 | en_US |
dc.identifier.authority | Jin, D=rp00452 | en_US |
dc.description.nature | link_to_OA_fulltext | - |
dc.identifier.doi | 10.1002/ijc.28007 | - |
dc.identifier.pmid | 23280823 | - |
dc.identifier.scopus | eid_2-s2.0-84876694817 | - |
dc.identifier.hkuros | 224755 | en_US |
dc.identifier.hkuros | 234958 | - |
dc.identifier.volume | 133 | en_US |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 79 | en_US |
dc.identifier.epage | 87 | en_US |
dc.identifier.isi | WOS:000318112200008 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 0020-7136 | - |