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Table of Contents
Vol. 127, No. 2, 2002
Issue release date: 2002
Int Arch Allergy Immunol 2002;127:110–114
(DOI:10.1159/000048179)

Kit and c-kit Mutations in Mastocytosis: A Short Overview with Special Reference to Novel Molecular and Diagnostic Concepts

Féger F. · Ribadeau Dumas A. · Leriche L. · Valent P. · Arock M.
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Abstract

Mastocytosis is a heterogeneous group of hematopoietic disorders characterized by abnormal growth and accumulation of mast cells (MC) in one or more organs. Clinical symptoms occur as a result of the release of chemical mediators and/or of pathologic infiltration of MC in various tissues. Although the initial events leading to mastocytosis have not yet been unraveled, acquired alterations in the c-kit gene coding for the receptor of stem cell factor (SCF), a major cytokine involved in MC growth, have been described in a significant number of patients. Of particular interest are point mutations resulting in a constitutively activated SCF receptor. Such mutations are probably involved in the abnormal (SCF-independent) proliferation of MC in these patients. New therapeutic strategies may be envisaged to inhibit the deregulated kinase activity of these mutant forms of c-kit.



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