PMID: 11918549Mar 29, 2002Paper

Immunocytochemistry for the heavy chain of the non-muscle myosin IIA as a diagnostic tool for MYH9-related disorders

British Journal of Haematology
Alessandro PecciCarlo L Balduini

Abstract

May-Hegglin anomaly (MHA), Sebastian syndrome (SBS) and Fechtner syndrome (FTNS) are autosomal-dominant macrothrombocytopenias with Döhle-like leucocyte inclusions. These diseases are due to mutations of the MHY9 gene, encoding the heavy chain of non-muscle myosin IIA (NMMHC-A). We investigated the NMMHC-A localization in blood cells from eight MHA, SBS or FTNS patients with known MYH9 mutations. All the patients showed an altered localization of NMMHC-A in granulocytes and platelets, suggesting that Döhle-like bodies are due to the aggregation of NMMHC-A in the cytoplasm. Therefore, immunocytochemistry for NMMHC-A is a simple and sensitive method to detect pathological phenotypes of granulocytes and platelets in the diagnosis of MYH9-related disorders.

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Citations

Jan 7, 2011·Pediatric Nephrology : Journal of the International Pediatric Nephrology Association·Kyoung Hee HanHae Il Cheong
Sep 3, 2004·Journal of Pediatric Hematology/oncology·Miyako YoshinariShigeru Tsuchiya
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