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August 9, 2026Current Opinion in Allergy and Clinical Immunology

Mas-related G protein-coupled receptor X2 in non-IgE-mediated mast cell activation and anaphylaxis: a paradigm shift

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Authors

MZMarco ZurloFLFrancesca Levi‐Schaffer

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Overview

Review explores MRGPRX2's role in non-IgE-mediated mast cell activation, suggesting implications for diagnosis and therapy.

Key Points

  • This review aims to explore the role of MRGPRX2 in non-IgE-mediated mast cell activation and its implications in anaphylaxis.
  • Examined structural and signaling insights of MRGPRX2 in mast cell biology.
  • Evaluated recent findings on MRGPRX2's interactions with various cationic ligands.
  • Discussed clinical implications of MRGPRX2 in allergic reactions and chronic mast cell-related conditions.
  • MRGPRX2 is identified as a key receptor in rapid mast cell degranulation.
  • Immediate reactions to antibiotics and neuromuscular blocking agents are linked to MRGPRX2 activation.
  • MRGPRX2's potential as a therapeutic target is highlighted, with implications for improving diagnostic accuracy.

Cite This Study

Zurlo et al. (2026) studied this question.

synapsesocial.com/papers/6a782d862e1896536c840c90https://doi.org/10.1097/aci.0000000000001187
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