期刊
NPJ GENOMIC MEDICINE
卷 5, 期 1, 页码 -出版社
SPRINGER NATURE, CO-PUBL CTR EXCELLENCE GENOMIC MED RES
DOI: 10.1038/s41525-019-0108-5
关键词
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资金
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Brazil
- NIH [7R21CA175875-03]
- Serrapilheira foundation
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [2018/15579-8]
- FAPESP [2017/19541-2, 2013/25483-4, 2013/07159-5]
- CPRIT Training Grant [RP140105]
Therapy resistance and recurrence in high-grade gliomas are driven by their populations of glioma stem cells (GSCs). Thus, detailed molecular characterization of GSCs is needed to develop more effective therapies. We conducted a study to identify differences in the splicing profile and expression of long non-coding RNAs in proneural and mesenchymal GSC cell lines. Genes related to cell cycle, DNA repair, cilium assembly, and splicing showed the most differences between GSC subgroups. We also identified genes distinctly associated with survival among patients of mesenchymal or proneural subgroups. We determined that multiple long non-coding RNAs with increased expression in mesenchymal GSCs are associated with poor survival of glioblastoma patients. In summary, our study established critical differences between proneural and mesenchymal GSCs in splicing profiles and expression of long non-coding RNA. These splicing isoforms and lncRNA signatures may contribute to the uniqueness of GSC subgroups, thus contributing to cancer phenotypes and explaining differences in therapeutic responses.
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