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  1. Article

    Open Access

    Prevalence of myeloma precursor state monoclonal gammopathy of undetermined significance in 12372 individuals 10–49 years old: a population-based study from the National Health and Nutrition Examination Survey

    We studied the prevalence of monoclonal gammopathy of undetermined significance (MGUS) in younger individuals, age 10–49 years, using samples from the National Health and Nutritional Examination Survey (NHANES...

    O Landgren, B I Graubard, S Kumar, R A Kyle, J A Katzmann, K Murata in Blood Cancer Journal (2017)

  2. Article

    Open Access

    Quantitation of circulating wild-type alpha-1-antitrypsin in heterozygous carriers of the S and Z deficiency alleles

    Alpha-1-antitrypsin (A1AT) deficiency disease results from mutations in the A1AT gene. Controversy exists in regards to treatment of heterozygous carriers of the S and Z deficiency alleles. Quantitation of all...

    L. J. Donato, R. M. Karras, J. A. Katzmann, D. L. Murray in Respiratory Research (2015)

  3. No Access

    Article

    Racial disparities in the prevalence of monoclonal gammopathies: a population-based study of 12 482 persons from the National Health and Nutritional Examination Survey

    Multiple myeloma (MM) incidence is markedly higher in blacks compared with whites, which may be related to a higher prevalence of monoclonal gammopathy of undetermined significance (MGUS). Our objective was to...

    O Landgren, B I Graubard, J A Katzmann, R A Kyle, I Ahmadizadeh, R Clark in Leukemia (2014)

  4. No Access

    Article

    Serum free light chain ratio as a biomarker for high-risk smoldering multiple myeloma

    A markedly elevated serum free light chain (FLC) ratio may serve as a biomarker for malignant transformation in high-risk smoldering multiple myeloma (SMM) and identify patients who are at imminent risk of pro...

    J T Larsen, S K Kumar, A Dispenzieri, R A Kyle, J A Katzmann, S V Rajkumar in Leukemia (2013)

  5. No Access

    Article

    Suppression of uninvolved immunoglobulins defined by heavy/light chain pair suppression is a risk factor for progression of MGUS

    We hypothesized that the suppression of uninvolved immunoglobulin in monoclonal gammopathy of undetermined significance (MGUS) as detected by suppression of the isotype-specific heavy and light chain (HLC-pair...

    J A Katzmann, R Clark, R A Kyle, D R Larson, T M Therneau, L J Melton III in Leukemia (2013)

  6. Article

    A window into immunoglobulin quantitation and plasma cell disease: antigen epitopes defined by the junction of immunoglobulin heavy and light chains

    J A Katzmann, S V Rajkumar in Leukemia (2013)

  7. No Access

    Article

    Relationship between elevated immunoglobulin free light chain and the presence of IgH translocations in multiple myeloma

    Elevated immunoglobulin free light chain (FLC) level and abnormal FLC ratio are commonly seen in multiple myeloma (MM) and have prognostic implications. We hypothesized that presence of immunoglobin heavy chai...

    S Kumar, L Zhang, A Dispenzieri, S Van Wier, J A Katzmann, M Snyder, E Blood in Leukemia (2010)

  8. No Access

    Article

    Prognostic value of the serum free light chain ratio in newly diagnosed myeloma: proposed incorporation into the international staging system

    To determine if the serum free light chain (FLC) ratio has prognostic value in patients with symptomatic multiple myeloma (MM), baseline serum samples from a well-characterized cohort of 790 newly diagnosed MM...

    C L H Snozek, J A Katzmann, R A Kyle, A Dispenzieri, D R Larson, T M Therneau in Leukemia (2008)

  9. No Access

    Chapter

    Oral communications

    Monoclonal immunoglobulin light chain may be present in patients with multiple myeloma (MM) and primary amyloidosis (AL) and their presence is an important diagnostic observation in these diseases. Frequently,...

    J. A. Katzmann, R. J. Clarke, R. S. Abraham in Monoclonal Gammopathies and the Kidney (2003)

  10. No Access

    Chapter

    Poster communications

    Primary amyloidosis [AL] and Light Chain Deposition Disease [LCDD] are characterized by the presence of free, monoclonal immunoglobulin light chains. AL is a lethal, plasma cell dyscrasia. The amyloid fibrils ...

    A. R. Bradwell, H. D. Carr-Smith, R. S. Abraham in Monoclonal Gammopathies and the Kidney (2003)

  11. No Access

    Chapter

    Molecular and Biological Role of CD40 in Multiple Myeloma

    Multiple myeloma is a progressive and fatal disease characterized by the accumulation of malignant plasma cells in the bone marrow. Although the cause of myeloma remains unknown, interleukin 6 (IL-6) has been ...

    J. J. Westendorf, G. J. Ahmann, J. A. Lust in Mechanisms in B-Cell Neoplasia 1994 (1995)