Volume 2 Issue 1
Mar.  2018
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Siegfried Janz. Waldenström macroglobulinemia – immunophenotype and natural history[J]. Blood&Genomics, 2018, 2(1): 1-9. doi: 10.46701/APJBG.2018012018004
Citation: Siegfried Janz. Waldenström macroglobulinemia – immunophenotype and natural history[J]. Blood&Genomics, 2018, 2(1): 1-9. doi: 10.46701/APJBG.2018012018004

Waldenström macroglobulinemia – immunophenotype and natural history

doi: 10.46701/APJBG.2018012018004
  • Publish Date: 2018-03-30
  • Despite encouraging progress in recent years, our knowledge of the natural history of Waldenström macroglobulinemia (WM), a low-grade LPL (lymphoplasmacytic lymphoma) of mature IgM+ B-lymphocytes, remains superficial. This is particularly true of the etiology of WM (tumor causation and initiation) and the sequence of events that underlie the malignant transformation of precursor B cells (tumor progression). Here we briefly review the epidemiology of and genetic predisposition to WM and consider the role of autoimmunity and chronic inflammation in related tumor development. We discuss the immunophenotypic features of WM, including the immunological specificity of WM-associated IgM paraproteins. The proclivity of patients with WM to develop the rare immunoglobulin autoantibody syndromes mixed IgM-IgG cryoglobulinemia, chronic cold agglutinin disease, and IgM neuropathy will also be discussed. We conclude with a call for additional research to elucidate outstanding questions, such as the role of T cell-dependent vs. –independent immune responses in the pathophysiology of WM.

     

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