Abstract
Recurrent mutations affecting MYD88 and CXCR4 gene nowadays form the basis for the diagnosis, risk stratification and use of inhibitors targeting these signalling pathways in LPL/WM which are rare B cell neoplasms. MYD88 L265P mutation analysis was performed on 33 cases of LPL/WM by AS-PCR (positivity-84.8%, n = 28/33) and by Sanger sequencing (positivity-39.3%, n = 13/33). We had only two cases with CXCR4 non-sense (NS) mutation (p.S338*) using Sanger sequencing. MYD88 (L265P) mutation detection by AS-PCR can form reliable biomarker for the diagnosis of LPL/WM in molecular labs. Although the cohort is small, still the CXCR4 mutation frequency in our study is low as compared to the published literature.
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This study was approved by the Ethics Committee and Institutional Review Board (EC/TMC/83/16) of the Tata Medical Center, Kolkata, India.
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Vinarkar, S., Arora, N., Chowdhury, S.S. et al. MYD88 and CXCR4 Mutation Profiling in Lymphoplasmacytic Lymphoma/Waldenstrom’s Macroglobulinaemia. Indian J Hematol Blood Transfus 35, 57–65 (2019). https://doi.org/10.1007/s12288-018-0978-1
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DOI: https://doi.org/10.1007/s12288-018-0978-1