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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
13
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pubmed:dateCreated |
2011-3-31
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pubmed:abstractText |
MicroRNAs (miRNAs) are small ?22nt single stranded RNAs that negatively regulate protein expression by binding to partially complementary sequences in the 3' untranslated region (3' UTRs) of target gene messenger RNAs (mRNA). Recently, mutations have been identified in both miRNAs and target genes that disrupt regulatory relationships, contribute to oncogenesis and serve as biomarkers for cancer risk. KIT, an established oncogene with a multifaceted role in melanogenesis and melanoma pathogenesis, has recently been shown to be upregulated in some melanomas, and is also a target of the miRNA miR-221. Here, we describe a genetic variant in the 3' UTR of the KIT oncogene that correlates with a greater than fourfold increased risk of acral melanoma. This KIT variant results in a mismatch in the seed region of a miR-221 complementary site and reporter data suggests that this mismatch can result in increased expression of the KIT oncogene. Consistent with the hypothesis that this is a functional variant, KIT mRNA and protein levels are both increased in the majority of samples harboring the KIT variant. This work identifies a novel genetic marker for increased heritable risk of melanoma.
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pubmed:grant |
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Mar
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pubmed:issn |
1476-5594
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pubmed:author |
pubmed-author:AriyanSS,
pubmed-author:BacchiocchiAA,
pubmed-author:ChanEE,
pubmed-author:GodshalkS ESE,
pubmed-author:HalabanRR,
pubmed-author:HoytKK,
pubmed-author:KiddK KKK,
pubmed-author:LazovaRR,
pubmed-author:MolinaroA MAM,
pubmed-author:NallurSS,
pubmed-author:ParanjapeTT,
pubmed-author:SlackF JFJ,
pubmed-author:SpeedWW,
pubmed-author:SternD FDF,
pubmed-author:SznolMM,
pubmed-author:TworkoskiKK,
pubmed-author:WeidhaasJ BJB
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pubmed:issnType |
Electronic
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pubmed:day |
31
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pubmed:volume |
30
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1542-50
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pubmed:dateRevised |
2011-9-30
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pubmed:meshHeading |
pubmed-meshheading:21119596-3' Untranslated Regions,
pubmed-meshheading:21119596-Case-Control Studies,
pubmed-meshheading:21119596-Humans,
pubmed-meshheading:21119596-Melanoma,
pubmed-meshheading:21119596-MicroRNAs,
pubmed-meshheading:21119596-Oncogenes,
pubmed-meshheading:21119596-Protein Biosynthesis,
pubmed-meshheading:21119596-Proto-Oncogene Proteins c-kit,
pubmed-meshheading:21119596-RNA, Messenger,
pubmed-meshheading:21119596-Risk,
pubmed-meshheading:21119596-Skin Neoplasms
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pubmed:year |
2011
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pubmed:articleTitle |
A Variant in a MicroRNA complementary site in the 3' UTR of the KIT oncogene increases risk of acral melanoma.
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pubmed:affiliation |
Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, CT, USA.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't,
Research Support, N.I.H., Extramural
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