期刊
BRITISH JOURNAL OF CANCER
卷 107, 期 12, 页码 1987-1996出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/bjc.2012.525
关键词
myeloma; microRNAs; biomarkers; diagnostics; cleaved tRNA; serum miRNAs
类别
资金
- BBSRC
- Biochemical Society
- NIHR
- Brighton and Sussex Medical School
- University of Sussex Enterprise Fund
- Biotechnology and Biological Sciences Research Council [BB/I021345/1, BB/I007989/1]
- Elimination of Leukaemia Fund
- BBSRC [BB/G002754/1, BB/I021345/1, BB/I007989/1] Funding Source: UKRI
- Biotechnology and Biological Sciences Research Council [BB/I007989/1, BB/I021345/1, BB/G002754/1] Funding Source: researchfish
BACKGROUND: Multiple myeloma is a plasma cell disorder that is characterised by clonal proliferation of malignant plasma cells in the bone marrow, monoclonal paraprotein in the blood or urine and associated organ dysfunction. It accounts for approximately 1% of cancers and 13% of haematological cancers. Myeloma arises from an asymptomatic proliferation of monoclonal plasma cells termed monoclonal gammopathy of undetermined significance (MGUS). METHODS: MicroRNA expression profiling of serum samples was performed on three patient groups as well as normal controls. Validation of the nine microRNAs detected as promising biomarkers was carried out using TaqMan quantitative reverse transcription PCR. MicroRNA levels in serum were normalised using standard curves to determine the numbers of microRNAs per mu l of serum. RESULTS: Three serum microRNAs, miR-720, miR-1308 and miR-1246, were found to have potential as diagnostic biomarkers in myeloma. Use of miR-720 and miR-1308 together provides a powerful diagnostic tool for distinguishing normal healthy controls, as well as patients with unrelated illnesses, from pre-cancerous myeloma and myeloma patients. In addition, the combination of miR-1246 and miR-1308 can distinguish MGUS from myeloma patients. CONCLUSION: We have developed a biomarker signature using microRNAs extracted from serum, which has potential as a diagnostic and prognostic tool for multiple myeloma. British Journal of Cancer (2012) 107, 1987-1996. doi:10.1038/bjc.2012.525 www.bjcancer.com Published online 20 November 2012 (C) 2012 Cancer Research UK
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