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Repression of Multiple Myeloma Cell Growth In Vivo by Single-wall Carbon Nanotube (SWCNT)-delivered MALAT1 Antisense Oligos
Published on: December 13, 2018
DNA methylation of microRNA genes in multiple myeloma
Kwan Yeung Wong1, Xiaojun Huang, Chor Sang Chim
1Department of Medicine, Queen Mary Hospital, The University of Hong Kong Hong Kong, China.
Abstract:
DNA methylation is one of the heritable epigenetic modifications, leading to repressed gene expressions and consequent phenotypic alterations without changing the DNA sequence. MicroRNA (miRNA) is a novel class of short non-coding RNA molecules regulating a wide range of cellular functions through translational repression of their target genes. Recently, epigenetic dysregulation of tumor-suppressor miRNA genes by promoter DNA methylation has been implicated in human cancers, including multiple myeloma (MM). This article presents a brief overview of the pathogenesis of MM, the role of DNA methylation in cancer biology, methods of DNA methylation analysis, miRNA biology and dysregulation of miRNAs in MM and summaries the current data on the role of DNA methylation of tumor-suppressive miRNAs in MM.
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