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Updated: Jul 10, 2026

Evaluation of Biomarkers in Glioma by Immunohistochemistry on Paraffin-Embedded 3D Glioma Neurosphere Cultures
Published on: January 9, 2019
Roles of insulin-like growth factor binding protein-2 (IGFBP-2) in glioblastoma
Tsuyoshi Fukushima1, Hiroaki Kataoka
1Section of Oncopathology and Regenerative Biology, Department of Pathology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan.
Abstract:
Insulin-like growth factor binding protein-2 (IGFBP-2) is reported to be a modulator of the action of insulin-like growth factors (IGFs), whereas IGF-independent effects of IGFBP-2 on cellular proliferation, apoptosis, and mobility have been revealed not only during the embryonic state but also in the pathological state of cancer. As well as other types of carcinomas, overexpression of IGFBP-2 has been reported in glioblastoma multiforme (GBM), the most malignant brain tumor characterized by rapid growth, extensive invasiveness, and angiogenesis. However, it remains unclear how IGFBP-2 is involved in the malignant features of GBM. This review outlines the IGF-dependent and -independent functions of IGFBP-2 and focuses on the roles of IGFBP-2 in the progression of GBM.
Insights
Insulin-like growth factor binding protein-2 (IGFBP-2) influences cancer growth. This review explores IGFBP-2
Area of Science:
- Oncology
- Molecular Biology
- Biochemistry
Background:
- Insulin-like growth factor binding protein-2 (IGFBP-2) modulates insulin-like growth factor (IGF) actions.
- IGFBP-2 exhibits IGF-independent effects on cell proliferation, apoptosis, and motility.
- Overexpression of IGFBP-2 is observed in glioblastoma multiforme (GBM), a highly malignant brain tumor.
Purpose of the Study:
- To review the IGF-dependent and -independent functions of IGFBP-2.
- To focus on the specific roles of IGFBP-2 in GBM progression.
Main Methods:
- Literature review of existing studies on IGFBP-2.
- Analysis of research on IGFBP-2's involvement in cancer, particularly GBM.
Main Results:
- IGFBP-2 has both IGF-dependent and IGF-independent roles in cellular functions.
- IGFBP-2 is implicated in the aggressive characteristics of GBM, including rapid growth, invasiveness, and angiogenesis.
Conclusions:
- IGFBP-2 plays a significant role in the malignant progression of glioblastoma multiforme.
- Further research is needed to fully elucidate the mechanisms by which IGFBP-2 contributes to GBM.
- Targeting IGFBP-2 may offer potential therapeutic strategies for GBM.
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