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Related Experiment Video

Updated: Jun 28, 2025

Isolation of Peritoneum-derived Mast Cells and Their Functional Characterization with Ca2+-imaging and Degranulation Assays
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Mast cells in meningiomas.

Antonio D'Amati1, Roberto Tamma2, Tiziana Annese3

  • 1Department of Translational Biomedicine and Neuroscience, "Aldo Moro" University of Bari. antonio.damati@uniba.it.

European Journal of Histochemistry : EJH
|April 18, 2024
PubMed
Summary
This summary is machine-generated.

Mast cells (MCs) are more frequently found in high-grade meningiomas compared to low-grade tumors. This suggests a potential relationship between mast cell presence and meningioma aggressiveness.

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Area of Science:

  • Neuropathology
  • Oncology

Background:

  • Meningioma is the most common central nervous system (CNS) tumor.
  • The role of mast cells (MCs) in meningioma progression remains unclear and debated.
  • Histological grading and subtypes influence meningioma behavior.

Purpose of the Study:

  • To investigate the association between mast cell infiltration and meningioma grade.
  • To compare mast cell presence across different histological subtypes and WHO CNS grading systems (2021).

Main Methods:

  • Histopathological analysis of meningioma samples.
  • Quantification and categorization of mast cell presence (low-positive, intermediate-positive, high-positive).
  • Correlation of mast cell counts with tumor grade (WHO CNS 2021) and histological subtypes.

Main Results:

  • Mast cells were present in 7/22 low-grade (Grade 1) meningiomas.
  • All 8 high-grade meningiomas (Grade 2 and 3) showed mast cell infiltration.
  • Higher mast cell infiltration was observed in Grade 3 meningiomas compared to Grade 2.

Conclusions:

  • A potential correlation exists between meningioma grade and mast cell presence.
  • High-grade meningiomas demonstrate a higher prevalence of mast cell infiltration.
  • Further studies with larger cohorts are needed to establish statistical significance.