Rhabdomyosarcoma: molecular analysis of Igf2, MyoD1 and Myogenin expression
Language English Country Slovakia Media print
Document type Journal Article, Research Support, Non-U.S. Gov't
- MeSH
- Rhabdomyosarcoma, Alveolar genetics MeSH
- Adult MeSH
- Rhabdomyosarcoma, Embryonal genetics MeSH
- Oncogene Proteins, Fusion genetics MeSH
- Insulin-Like Growth Factor II genetics MeSH
- Muscle, Skeletal metabolism pathology MeSH
- Bone Marrow metabolism pathology MeSH
- Humans MeSH
- RNA, Messenger genetics MeSH
- Survival Rate MeSH
- MyoD Protein genetics MeSH
- Myogenin genetics MeSH
- Biomarkers, Tumor genetics MeSH
- Reverse Transcriptase Polymerase Chain Reaction MeSH
- Prognosis MeSH
- PAX7 Transcription Factor genetics MeSH
- Loss of Heterozygosity MeSH
- Check Tag
- Adult MeSH
- Humans MeSH
- Male MeSH
- Female MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- Oncogene Proteins, Fusion MeSH
- IGF2 protein, human MeSH Browser
- Insulin-Like Growth Factor II MeSH
- RNA, Messenger MeSH
- MyoD Protein MeSH
- MyoD1 myogenic differentiation protein MeSH Browser
- MYOG protein, human MeSH Browser
- Myogenin MeSH
- Biomarkers, Tumor MeSH
- PAX3-FKHR fusion protein, human MeSH Browser
- PAX7 protein, human MeSH Browser
- PAX7 Transcription Factor MeSH
Rhabdomyosarcoma is the most common soft tissue sarcoma of childhood. There are two major histopathological types of RMS – embryonal (eRMS) and alveolar (aRMS). A molecular study of Igf2, MyoD1 and Myogenin was performed to determine the expression profiles and to assess the possible utility of these genes as potential treatment targets. Patients with RMS showed up to 100-fold increase of Igf2 transcription in comparison with normal skeletal muscle. Our data suggest that overexpression of Igf2 occurs in RMS of both histological subtypes. No correlation between the results of Igf2 mRNA expression and LOH at the 11p15 region (p= 0.12) was observed, but there was a trend of a higher expression of Igf2 mRNA in RMS samples with LOH. We observed a high level of MyoD1 mRNA in both aRMS and eRMS, and we detected a similar level of MyoD1 mRNA in RMS and normal skeletal muscles. There was a correlation between the results of MyoD1 mRNA expression and LOH at the 11p15 region.We did not observe any statistical difference in the level of Myogenin mRNA in the subgroups of RMS. Analogous to MyoD1, we observed a similar level of Myogenin mRNA in RMS and normal skeletal muscles.
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