IL-1beta expression in IgM monoclonal gammopathy and its relationship to multiple myeloma.

K. A. Donovan, Martha Lacy, Morie Gertz, J. A. Lust

Research output: Contribution to journalArticle

Abstract

We have shown that IL-1beta is not detectable in normal plasma cells but is produced by plasma cells from virtually all patients with multiple myeloma (MM). To extend our earlier work, IL-1beta expression was determined in 13 newly diagnosed patients with IgM monoclonal gammopathy. Eleven patients with Waldenstrom's macroglobulinemia (WM) and two patients with IgM MM were investigated for IL-1beta expression by in situ hybridization (ISH). All patients with WM had bone marrow biopsies consistent with the diagnosis, an IgM M-protein in the serum, and subsequently required chemotherapy. Seven of 11 patients with WM had an M-protein >3 g/dl and five patients had bone surveys performed that were negative for osteolytic disease. Two patients were diagnosed with IgM MM because of the presence of significant osteolytic disease on a metastatic bone survey. ISH for kappa, lambda, and IL-1beta expression was performed on bone marrow aspirates from each of the 13 patients. None of the neoplastic cells from the 11 patients with WM showed detectable IL-1beta expression by ISH. However, the neoplastic cells from both patients with IgM MM expressed IL-1beta mRNA at high levels. This aberrant IL-1beta production may explain the presence of bone lesions in the patients with IgM MM.

Original languageEnglish (US)
Pages (from-to)382-385
Number of pages4
JournalLeukemia : official journal of the Leukemia Society of America, Leukemia Research Fund, U.K
Volume16
Issue number3
StatePublished - Mar 1 2002

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Paraproteinemias
Multiple Myeloma
Immunoglobulin M
Waldenstrom Macroglobulinemia
In Situ Hybridization
Plasma Cells
Bone and Bones
Bone Marrow
Blood Proteins

ASJC Scopus subject areas

  • Hematology
  • Oncology
  • Cancer Research

Cite this

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title = "IL-1beta expression in IgM monoclonal gammopathy and its relationship to multiple myeloma.",
abstract = "We have shown that IL-1beta is not detectable in normal plasma cells but is produced by plasma cells from virtually all patients with multiple myeloma (MM). To extend our earlier work, IL-1beta expression was determined in 13 newly diagnosed patients with IgM monoclonal gammopathy. Eleven patients with Waldenstrom's macroglobulinemia (WM) and two patients with IgM MM were investigated for IL-1beta expression by in situ hybridization (ISH). All patients with WM had bone marrow biopsies consistent with the diagnosis, an IgM M-protein in the serum, and subsequently required chemotherapy. Seven of 11 patients with WM had an M-protein >3 g/dl and five patients had bone surveys performed that were negative for osteolytic disease. Two patients were diagnosed with IgM MM because of the presence of significant osteolytic disease on a metastatic bone survey. ISH for kappa, lambda, and IL-1beta expression was performed on bone marrow aspirates from each of the 13 patients. None of the neoplastic cells from the 11 patients with WM showed detectable IL-1beta expression by ISH. However, the neoplastic cells from both patients with IgM MM expressed IL-1beta mRNA at high levels. This aberrant IL-1beta production may explain the presence of bone lesions in the patients with IgM MM.",
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AB - We have shown that IL-1beta is not detectable in normal plasma cells but is produced by plasma cells from virtually all patients with multiple myeloma (MM). To extend our earlier work, IL-1beta expression was determined in 13 newly diagnosed patients with IgM monoclonal gammopathy. Eleven patients with Waldenstrom's macroglobulinemia (WM) and two patients with IgM MM were investigated for IL-1beta expression by in situ hybridization (ISH). All patients with WM had bone marrow biopsies consistent with the diagnosis, an IgM M-protein in the serum, and subsequently required chemotherapy. Seven of 11 patients with WM had an M-protein >3 g/dl and five patients had bone surveys performed that were negative for osteolytic disease. Two patients were diagnosed with IgM MM because of the presence of significant osteolytic disease on a metastatic bone survey. ISH for kappa, lambda, and IL-1beta expression was performed on bone marrow aspirates from each of the 13 patients. None of the neoplastic cells from the 11 patients with WM showed detectable IL-1beta expression by ISH. However, the neoplastic cells from both patients with IgM MM expressed IL-1beta mRNA at high levels. This aberrant IL-1beta production may explain the presence of bone lesions in the patients with IgM MM.

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