pubmed-article:18728182 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:18728182 | lifeskim:mentions | umls-concept:C0026764 | lld:lifeskim |
pubmed-article:18728182 | lifeskim:mentions | umls-concept:C0017337 | lld:lifeskim |
pubmed-article:18728182 | lifeskim:mentions | umls-concept:C1101610 | lld:lifeskim |
pubmed-article:18728182 | lifeskim:mentions | umls-concept:C0699748 | lld:lifeskim |
pubmed-article:18728182 | lifeskim:mentions | umls-concept:C0332281 | lld:lifeskim |
pubmed-article:18728182 | lifeskim:mentions | umls-concept:C0851285 | lld:lifeskim |
pubmed-article:18728182 | lifeskim:mentions | umls-concept:C1511545 | lld:lifeskim |
pubmed-article:18728182 | pubmed:issue | 35 | lld:pubmed |
pubmed-article:18728182 | pubmed:dateCreated | 2008-9-3 | lld:pubmed |
pubmed-article:18728182 | pubmed:abstractText | Progress in understanding the biology of multiple myeloma (MM), a plasma cell malignancy, has been slow. The discovery of microRNAs (miRNAs), a class of small noncoding RNAs targeting multiple mRNAs, has revealed a new level of gene expression regulation. To determine whether miRNAs play a role in the malignant transformation of plasma cells (PCs), we have used both miRNA microarrays and quantitative real time PCR to profile miRNA expression in MM-derived cell lines (n = 49) and CD138+ bone marrow PCs from subjects with MM (n = 16), monoclonal gammopathy of undetermined significance (MGUS) (n = 6), and normal donors (n = 6). We identified overexpression of miR-21, miR-106b approximately 25 cluster, miR-181a and b in MM and MGUS samples with respect to healthy PCs. Selective up-regulation of miR-32 and miR-17 approximately 92 cluster was identified in MM subjects and cell lines but not in MGUS subjects or healthy PCs. Furthermore, two miRNAs, miR-19a and 19b, that are part of the miR-17 approximately 92 cluster, were shown to down regulate expression of SOCS-1, a gene frequently silenced in MM that plays a critical role as inhibitor of IL-6 growth signaling. We also identified p300-CBP-associated factor, a gene involved in p53 regulation, as a bona fide target of the miR106b approximately 25 cluster, miR-181a and b, and miR-32. Xenograft studies using human MM cell lines treated with miR-19a and b, and miR-181a and b antagonists resulted in significant suppression of tumor growth in nude mice. In summary, we have described a MM miRNA signature, which includes miRNAs that modulate the expression of proteins critical to myeloma pathogenesis. | lld:pubmed |
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pubmed-article:18728182 | pubmed:language | eng | lld:pubmed |
pubmed-article:18728182 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:18728182 | pubmed:citationSubset | IM | lld:pubmed |
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pubmed-article:18728182 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:18728182 | pubmed:month | Sep | lld:pubmed |
pubmed-article:18728182 | pubmed:issn | 1091-6490 | lld:pubmed |
pubmed-article:18728182 | pubmed:author | pubmed-author:LadettoMarcoM | lld:pubmed |
pubmed-article:18728182 | pubmed:author | pubmed-author:MunkerReinhol... | lld:pubmed |
pubmed-article:18728182 | pubmed:author | pubmed-author:ZanesiNicolaN | lld:pubmed |
pubmed-article:18728182 | pubmed:author | pubmed-author:GarzonRamiroR | lld:pubmed |
pubmed-article:18728182 | pubmed:author | pubmed-author:CroceCarlo... | lld:pubmed |
pubmed-article:18728182 | pubmed:author | pubmed-author:VoliniaStefan... | lld:pubmed |
pubmed-article:18728182 | pubmed:author | pubmed-author:AlderHansjuer... | lld:pubmed |
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pubmed-article:18728182 | pubmed:author | pubmed-author:KuehlMichaelM | lld:pubmed |
pubmed-article:18728182 | pubmed:author | pubmed-author:HaganJohn PJP | lld:pubmed |
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pubmed-article:18728182 | pubmed:author | pubmed-author:TaccioliCrist... | lld:pubmed |
pubmed-article:18728182 | pubmed:issnType | Electronic | lld:pubmed |
pubmed-article:18728182 | pubmed:day | 2 | lld:pubmed |
pubmed-article:18728182 | pubmed:volume | 105 | lld:pubmed |
pubmed-article:18728182 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:18728182 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:18728182 | pubmed:pagination | 12885-90 | lld:pubmed |
pubmed-article:18728182 | pubmed:dateRevised | 2009-11-19 | lld:pubmed |
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