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Characterization of the Melanoma miRNAome by Deep Sequencing

journal contribution
posted on 2023-05-17, 05:29 authored by Stark, MS, Tyagi, S, Nancarrow, DJ, Boyle, GM, Anthony CookAnthony Cook, Whiteman, DC, Parsons, PG, Schmidt, C, Sturm, RA, Hayward, NK
Background: MicroRNAs (miRNAs) are 18-23 nucleotide non-coding RNAs that regulate gene expression in a sequence specific manner. Little is known about the repertoire and function of miRNAs in melanoma or the melanocytic lineage. We therefore undertook a comprehensive analysis of the miRNAome in a diverse range of pigment cells including: melanoblasts, melanocytes, congenital nevocytes, acral, mucosal, cutaneous and uveal melanoma cells. Methodology/Principal Findings: We sequenced 12 small RNA libraries using Illumina's Genome Analyzer II platform. This massively parallel sequencing approach of a diverse set of melanoma and pigment cell libraries revealed a total of 539 known mature and mature-star sequences, along with the prediction of 279 novel miRNA candidates, of which 109 were common to 2 or more libraries and 3 were present in all libraries. Conclusions/Significance: Some of the novel candidate miRNAs may be specific to the melanocytic lineage and as such could be used as biomarkers to assist in the early detection of distant metastases by measuring the circulating levels in blood. Follow up studies of the functional roles of these pigment cell miRNAs and the identification of the targets should shed further light on the development and progression of melanoma. © 2010 Stark et al.


Publication title

PLoS One






School of Health Sciences


San Francisco, CA : Public Library of Science

Place of publication

United States

Repository Status

  • Restricted

Socio-economic Objectives

Clinical health not elsewhere classified

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