ArticleCancer science2018
Spontaneous development of intratumoral heterogeneity in a transposon-induced mouse model of glioma.
Article in Cancer science, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed, 12 citations in OpenAlex.
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- Advanced Techniques Using In Vivo Electroporation to Study the Molecular Mechanisms of Cerebral Development Disorders.International journal of molecular sciences · 2023Review
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- Modeling Brain Tumors: A Perspective Overview ofFrontiers in molecular neuroscience · 2022Review
- Down-regulated microRNA-30b-3p inhibits proliferation, invasion and migration of glioma cells via inactivation of the AKT signaling pathway by up-regulating RECK.Bioscience reports · 2019Article
- Spontaneous development of intratumoral heterogeneity in a transposon-induced mouse model of glioma.Cancer science · 2018Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Glioma is the most common form of malignant brain cancer in adults. The Sleeping Beauty (SB) transposon-based glioma mouse model allows for effective in vivo analysis of candidate genes. In the present study, we developed a transposon vector that encodes the triple combination of platelet-derived growth factor subunit A (PDGFA), and shRNAs against Nf1 and Trp53 (shNf1/shp53). Initiation and progression of glioma in the brain were monitored by expression of a fluorescent protein. Transduction of the vector into neural progenitor and stem cells (NPC) in the subventricular zone (SVZ) of the neonatal brain induced proliferation of oligodendrocyte precursor cells, and promoted formation of highly penetrant malignant gliomas within 2-4 months. Cells isolated from the tumors were capable of forming secondary tumors. Two transposon vectors, encoding either PDGFA or shNf1/shp53 were co-electroporated into NPC. Cells expressing PDGFA or shNf1/shp53 were labeled with unique fluorescent proteins allowing visualization of the spatial distribution of cells with different genetic alterations within the same tumor. Tumor cells located at the center of tumors expressed PDGFA at higher levels than those located at the periphery, indicating that intratumoral heterogeneity in PDGFA expression levels spontaneously developed within the same tumor. Tumor cells comprising the palisading necrosis strongly expressed PDGFA, suggesting that PDGFA signaling is involved in hypoxic responses in glioma. The transposon vectors developed are compatible with any genetically engineered mouse model, providing a useful tool for the functional analysis of candidate genes in glioma.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.