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Updated: Jul 10, 2026

Modeling Astrocytoma Pathogenesis In Vitro and In Vivo Using Cortical Astrocytes or Neural Stem Cells from Conditional, Genetically Engineered Mice
10:13

Modeling Astrocytoma Pathogenesis In Vitro and In Vivo Using Cortical Astrocytes or Neural Stem Cells from Conditional, Genetically Engineered Mice

Published on: August 12, 2014

Oncostatin M-induced genes in human astrocytomas

Annika Krona1, Pierre Aman, Charlotte Orndal

  • 1Lundberg Laboratory for Cancer Research, Department of Pathology, Institute of Biomedicine, Sahlgrenska University Hospital, Göteborg University, 413 45, Gothenburg, Sweden. annika.krona@llcr.med.gu.se

International Journal of Oncology
|November 6, 2007
PubMed

Insights

Oncostatin M (OSM) influences gene expression in glioma cells, potentially driving astrocytoma development. This study identified key OSM-regulated genes involved in tumor progression.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Oncology

Background:

  • Oncostatin M (OSM), an Interleukin-6 (IL-6) family cytokine, is induced by cell stress in the nervous system.
  • OSM is present in human brain tumors, but its role in tumor cell behavior remains largely unknown.
  • OSM signals through JAK/STAT pathways, regulating target genes.

Purpose of the Study:

  • To identify genes regulated by OSM in glioma cells.
  • To elucidate the function of OSM in astrocytoma development and progression.

Main Methods:

  • Glioma cell line (U1242MG) stimulation with OSM.
  • Gene expression profiling using microarray analysis.
  • Quantitative PCR and immunohistochemistry for validation.

Main Results:

  • Nineteen differentially expressed genes were identified and validated.
  • Upregulated genes include CHI3L1, PLAU, MT2A, and EPAS1.
  • These genes are implicated in cell matrix remodeling, migration, proliferation, and angiogenesis.

Conclusions:

  • OSM induces genes that may promote astrocytoma development and progression.
  • Understanding OSM's role provides insights into glioma pathogenesis.
  • OSM-regulated genes represent potential therapeutic targets.

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