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Updated: Oct 12, 2025
09:07
Analyzing the Functions of Mast Cells In Vivo Using 'Mast Cell Knock-in' Mice
Published on: May 27, 2015
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Precision Medicine in Systemic Mastocytosis.
Maura Nicolosi1, Andrea Patriarca1, Annalisa Andorno2
1Division of Hematology, Department of Translation Medicine, Università del Piemonte Orientale and Azienda Ospedaliero-Universitaria Maggiore della Carità, Via Solaroli 17, 28100 Novara, Italy.
Medicina (Kaunas, Lithuania)
|November 27, 2021
Summary
Mastocytosis involves abnormal mast cell growth. Understanding its genetics, like the KIT D816V mutation, guides diagnosis and personalized treatments for systemic mastocytosis (SM).
Area of Science:
- Hematology
- Oncology
- Genetics
Background:
- Mastocytosis is a rare hematological neoplasm driven by clonal mast cell proliferation.
- Diagnosis relies on criteria including bone marrow infiltrates, serum tryptase, CD25 expression, and KIT mutations.
Purpose of the Study:
- To review clinical, diagnostic, and therapeutic aspects of systemic mastocytosis (SM).
- To emphasize the role of SM genetics in precision medicine.
Main Methods:
- Review of diagnostic criteria and World Health Organization (WHO) classification of mastocytosis.
- Analysis of genetic mutations, particularly KIT D816V, and their prognostic/therapeutic implications.
- Discussion of treatment strategies from symptomatic drugs to kinase inhibitors and stem cell transplant.
Main Results:
- Over 80% of SM patients harbor the KIT D816V mutation, a target for kinase inhibitors.
- Additional somatic mutations influence prognosis and treatment decisions.
- Treatment varies from supportive care for indolent forms to targeted therapies for advanced SM.
Conclusions:
- Precision medicine in SM is increasingly driven by genetic profiling.
- Targeting KIT mutations offers therapeutic opportunities.
- Allogeneic stem cell transplant is an option for select SM patients.
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