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Baumhoer, D. ; Zillmer, S. ; Unger, K. ; Rosemann, M. ; Atkinson, M.J. ; Irmler, M. ; Beckers, J. ; Siggelkow, H.* ; von Luettichau, I.* ; Jundt, G.* ; Smida, J. ; Nathrath, M.

MicroRNA profiling with correlation to gene expression revealed the oncogenic miR-17-92 cluster to be up-regulated in osteosarcoma.

Cancer Genet. 205, 212-219 (2012)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Osteosarcomas are genetically complex tumors with abundant structural and numerical alterations. The molecular pathogenesis of the disease is, however, still poorly understood. Aside from various oncogenes and tumor suppressor genes, deregulated microRNAs (miRNAs) are known to influence tumor development and biology. We therefore investigated six well-established osteosarcoma cell lines (HOS58, U2-OS, Saos-2, MNNG/HOS, SJSA-1, and MG-63) for genome-wide miRNA expression (miRBase Version 15.0, http://www.mirbase.org/) and correlated our findings with gene expression. Cultured osteoblasts (hFOB 1.19) and mesenchymal stem cells (L87/4) were used as normal references. Focusing only on miRNAs that were deregulated in the majority of osteosarcoma cell lines, we identified several miRNAs with oncogenic and tumor suppressor properties, including various members of the oncogenic miR-17-92 cluster. In addition, several genes involved in differentiation (RGMB, LRRC17), cell cycle control (CCNE1), and apoptosis (LIMA1, CAMK2N1) were found to be deregulated in osteosarcoma cell lines, most likely due to altered miRNA expression patterns. Our findings indicate a crucial impact of deregulated miRNAs with consecutive changes in gene expression in osteosarcomas, which strongly suggests pathogenetic and potentially therapeutic implications.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Osteosarcoma; Microrna; Mirna; Mir-17-92 Cluster; Comparative Genomic Hybridization; Stromal Cell-Lines; Colon-Cancer Cells; Cycle Arrest; Apoptosis; Differentiation; P53; Chemoresistance; Identification; Suppression
Sprache
Veröffentlichungsjahr 2012
HGF-Berichtsjahr 2012
ISSN (print) / ISBN 2210-7762
Zeitschrift Cancer Genetics
Quellenangaben Band: 205, Heft: 5, Seiten: 212-219 Artikelnummer: , Supplement: ,
Verlag Elsevier
Verlagsort New York, NY
Begutachtungsstatus Peer reviewed
Institut(e) Translational Metabolic Oncology (IDC-TMO)
Institute of Experimental Genetics (IEG)
Institute of Radiation Biology (ISB)
CCG Osteosarcoma (PATH-KOS)
POF Topic(s) 30203 - Molecular Targets and Therapies
30201 - Metabolic Health
30202 - Environmental Health
30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
Forschungsfeld(er) Radiation Sciences
Genetics and Epidemiology
Enabling and Novel Technologies
PSP-Element(e) G-501000-001
G-500600-004
G-500200-001
G-520800-001
PubMed ID 22682620
DOI 10.1016/j.cancergen.2012.03.001
WOS ID WOS:000305369500003
Scopus ID 84865378998
Erfassungsdatum 2012-07-05
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