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Implantation and Monitoring by PET/CT of an Orthotopic Model of Human Pleural Mesothelioma in Athymic Mice
Published on: December 21, 2019
Non-Coding Transcript Heterogeneity in Mesothelioma: Insights from Asbestos-Exposed Mice
Emanuela Felley-Bosco1, Hubert Rehrauer2
1Laboratory of Molecular Oncology, Lungen- und Thoraxonkologie Zentrum, University Hospital Zurich, Sternwartstrasse 14, 8091 Zürich, Switzerland. emanuela.felley-bosco@usz.ch.
Abstract:
Mesothelioma is an aggressive, rapidly fatal cancer and a better understanding of its molecular heterogeneity may help with making more efficient therapeutic strategies. Non-coding RNAs represent a larger part of the transcriptome but their contribution to diseases is not fully understood yet. We used recently obtained RNA-seq data from asbestos-exposed mice and performed data mining of publicly available datasets in order to evaluate how non-coding RNA contribute to mesothelioma heterogeneity. Nine non-coding RNAs are specifically elevated in mesothelioma tumors and contribute to human mesothelioma heterogeneity. Because some of them have known oncogenic properties, this study supports the concept of non-coding RNAs as cancer progenitor genes.
Insights
This study reveals that specific non-coding RNAs are elevated in mesothelioma tumors, contributing to cancer
Area of Science:
- Oncology
- Molecular Biology
- Genomics
Background:
- Mesothelioma is an aggressive cancer with poorly understood molecular drivers.
- Non-coding RNAs (ncRNAs) are abundant in the transcriptome, but their role in disease is largely unknown.
- Understanding mesothelioma's molecular heterogeneity is crucial for developing effective therapies.
Purpose of the Study:
- To investigate the role of non-coding RNAs in mesothelioma heterogeneity.
- To identify specific ncRNAs associated with mesothelioma development and progression.
Main Methods:
- Analysis of RNA-sequencing data from asbestos-exposed mouse models.
- Data mining of publicly available mesothelioma datasets.
- Identification and quantification of non-coding RNA expression levels.
Main Results:
- Nine specific non-coding RNAs were found to be significantly elevated in mesothelioma tumors.
- These elevated ncRNAs contribute to the molecular heterogeneity observed in human mesothelioma.
- Some identified ncRNAs possess known oncogenic properties.
Conclusions:
- Non-coding RNAs play a significant role in mesothelioma's molecular landscape.
- This study supports the hypothesis that ncRNAs can function as cancer progenitor genes.
- Findings may inform the development of novel therapeutic strategies targeting ncRNAs in mesothelioma.
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