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. 2023 Aug 23;19(4):79.
doi: 10.3892/mco.2023.2675. eCollection 2023 Oct.

Clinicopathological significance of concurrent ErbB receptor expression in human meningioma

Sverre Helge Torp  1   2 , Magnus Bossum Arnli  3 , David Scheie  4
Affiliations

Clinicopathological significance of concurrent ErbB receptor expression in human meningioma

Sverre Helge Torp et al. Mol Clin Oncol. .

Abstract

In general, human meningiomas grow slowly and have a favourable prognosis; however, some are prone to recur despite their benign histology. Therefore, knowledge of their tumour biology is essential to determine objective biomarkers that can identify cases with an increased risk for recurrence and to generate effective treatment options. Thus, studies on the epidermal growth factor receptor (EGFR) family, comprising ErbB1/EGFR, ErbB2/HER2, ErbB3/HER3 and ErbB4/HER4, are important. We have recently published papers on the expression of each of these receptor proteins in human meningiomas. The present study aimed to assess the clinicopathological significance of their concurrent expression. A total of 185 grade 1 and 2 meningiomas with robust clinical data underwent immunohistochemical analyses with antibodies against the aforementioned receptors. All meningiomas exhibited upregulation of these receptor proteins relative to normal meninges. In addition, the expression of phosphorylated/activated ErbB1/EGFR1 and phosphorylated/activated ErbB2/HER2 was significantly associated with histological malignancy grade and prognosis, respectively. The concurrent upregulation of ErbB receptors in human meningioma supports their fundamental role in the tumourigenesis of these tumours, and they could thus be exploited in diagnostics, prognosis, and ultimately, in targeted clinical interventions.

Keywords: EGFR; HER; brain tumours; diagnosis; growth factor receptors; immunohistochemistry; prognosis; survival.

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Conflict of interest statement

The authors declare that they have no competing interests.

Figures

Figure 1
Figure 1
Immunohistochemical staining for internal domains of: (A) ErbB1/EGFR, (B) ErbB2/HER2, (C) ErbB3/HER3, and (D) ErbB4/HER4 (magnification, x200).
See this image and copyright information in PMC

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