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Monoclonal gammopathy of undetermined significance

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https://www.readbyqxmd.com/read/27868410/-expression-of-microrna-221-222-in-patients-with-monoclonal-gammopathy-of-undetermined-significance-and-multiple-myeloma
#1
Suwen Yang, Wei Wang, Hong Jin, Yuhong Zhong, Xinyou Xie
Objective: To detect the expression of miR-221/222 in serum and plasma cells in patients with monoclonal gammopathy of undetermined significance(MGUS) and multiple myeloma(MM), and to explore the possibility of miR-221/222 as biomarkers in the diagnosis and prognosis predicting of MGUS and MM. Methods: Bone marrow and serum samples from 14 patients with newly diagnosed MGUS, 81 patients with newly diagnosed or relapsed MM and 10 controls were collected from Sir Run Run Shaw Hospital of Zhejiang University and Tongde Hospital of Zhejiang Province during January 2013 and December 2015...
May 25, 2016: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/27829380/design-and-development-of-the-australian-and-new-zealand-anz-myeloma-and-related-diseases-registry
#2
Krystal Bergin, Elizabeth Moore, Zoe McQuilten, Erica Wood, Bradley Augustson, Hilary Blacklock, Joy Ho, Noemi Horvath, Tracy King, John McNeil, Peter Mollee, Hang Quach, Christopher M Reid, Brian Rosengarten, Patricia Walker, Andrew Spencer
BACKGROUND: Plasma cell dyscrasias (PCD) are a spectrum of disorders resulting from the clonal expansion of plasma cells, ranging from the pre-malignant condition monoclonal gammopathy of undetermined significance (MGUS) to multiple myeloma (MM). MM generates a significant burden of disease on the community and it is predicted that it will increase in both incidence and prevalence owing to an ageing population and longer survival secondary to new therapeutic options. Robust and comprehensive clinical data are currently lacking but are required to define current diagnostic, investigational and management patterns in Australia and New Zealand (ANZ) for comparison to both local and international guidelines for standards of care...
November 9, 2016: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/27825465/monoclonal-gammopathy-of-undetermined-significance-and-waldenstr%C3%A3-m-s-macroglobulinemia
#3
REVIEW
Sham Mailankody, Ola Landgren
Since the initial identification of patients with monoclonal elevation of gamma globulin and associated clinical symptoms in 1944 by Jan Waldenström, several new insights have been gained using a range of approaches. For example, IgM monoclonal gammopathy of undetermined significance and smoldering Waldenström's macroglobulinemia are defined clinical precursor states to symptomatic Waldenström's macroglobulinemia. Epidemiologic studies have established the prevalence of these conditions and the estimated risk of progression to symptomatic disease...
June 2016: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/27825149/prevalence-of-monoclonal-gammopathy-of-undetermined-significance-in-an-apparently-healthy-yixing-population-in-mainland-china
#4
Jiao Li, Lijun Wen, Junming Tang, Heng Zhang, Zhigang Zhou, Yunping Zhang, Yafeng Chen, Sisi Chen, Qiuxia Wang, Jianwei Shao, Wenzhong Wu, Suning Chen
No abstract text is available yet for this article.
November 9, 2016: Acta Haematologica
https://www.readbyqxmd.com/read/27822103/the-danish-national-multiple-myeloma-registry
#5
REVIEW
Peter Gimsing, Morten O Holmström, Tobias Wirenfelt Klausen, Niels Frost Andersen, Henrik Gregersen, Robert Schou Pedersen, Torben Plesner, Per Trøllund Pedersen, Mikael Frederiksen, Ulf Frølund, Carsten Helleberg, Annette Vangsted, Peter de Nully Brown, Niels Abildgaard
AIM: The Danish National Multiple Myeloma Registry (DMMR) is a population-based clinical quality database established in January 2005. The primary aim of the database is to ensure that diagnosis and treatment of plasma cell dyscrasia are of uniform quality throughout the country. Another aim is to support research. Patients are registered with their unique Danish personal identification number, and the combined use of DMMR, other Danish National registries, and the Danish National Cancer Biobank offers a unique platform for population-based translational research...
2016: Clinical Epidemiology
https://www.readbyqxmd.com/read/27807648/history-of-autoimmune-disease-is-associated-with-impaired-survival-in-multiple-myeloma-and-monoclonal-gammopathy-of-undetermined-significance-a-population-based-study
#6
Ebba K Lindqvist, Ola Landgren, Sigrún H Lund, Ingemar Turesson, Malin Hultcrantz, Lynn Goldin, Magnus Björkholm, Sigurdur Y Kristinsson
Multiple myeloma (MM) is a plasma cell disorder preceded by monoclonal gammopathy of undetermined significance (MGUS). Incidence of MM and MGUS is higher among patients with autoimmune disease. The aim of this study was to determine whether a history of autoimmunity has an impact on survival in MM and MGUS. Using high-quality national Swedish registries, we identified 8367 patients with MM, 18,768 patients with MGUS, and 110,251 matched control subjects, and obtained information on previous autoimmune disease in patients and controls...
November 2, 2016: Annals of Hematology
https://www.readbyqxmd.com/read/27804161/monoclonal-gammopathy-of-undetermined-significance-mgus-and-smoldering-myeloma-smm-a-practical-guide-to-management
#7
Nicola Maciocia, Ashutosh Wechalekar, Kwee Yong
Monoclonal gammopathy of undetermined significance and smoldering multiple myeloma are precursor conditions of symptomatic multiple myeloma (MM). Diagnostic principles are aimed at excluding MM requiring therapy, other conditions associated with paraproteins that may require different management, and risk stratifying patients for the purposes of tailored follow-up and investigation. The International Myeloma Working Group have recently published a revised definition of MM, which singles out a small group of patients with smoldering multiple myeloma who are at very high risk of progression and organ damage; such patients are now included under the definition of MM and recommended to start anti-myeloma treatment...
November 2, 2016: Hematological Oncology
https://www.readbyqxmd.com/read/27775078/loss-of-cyld-expression-unleashes-wnt-signaling-in-multiple-myeloma-and-is-associated-with-aggressive-disease
#8
H van Andel, K A Kocemba, A de Haan-Kramer, C H Mellink, M Piwowar, A Broijl, M van Duin, P Sonneveld, M M Maurice, M J Kersten, M Spaargaren, S T Pals
Deletion or mutation of the gene encoding the deubiquitinating enzyme CYLD is a common genomic aberration in multiple myeloma (MM). However, the functional consequence of CYLD loss and the mechanism underlying its putative role as a tumor suppressor gene in the pathogenesis of MM has not been established. Here, we show that CYLD expression is highly variable in myeloma cell lines and primary MMs and that low CYLD expression is associated with disease progression from monoclonal gammopathy of undetermined significance to MM, and with poor overall and progression free-survival of MM patients...
October 24, 2016: Oncogene
https://www.readbyqxmd.com/read/27737890/mgus-to-myeloma-a-mysterious-gammopathy-of-underexplored-significance
#9
Madhav V Dhodapkar
All cases of multiple myeloma (MM) are preceded by precursor states termed as monoclonal gammopathy of undetermined significance (MGUS) or smoldering myeloma (SMM). Genetic analyses of MGUS cells have provided evidence that it is a genetically advanced lesion wherein tumor cells carry many of the genetic changes found in MM cells. Intraclonal heterogeneity is also established early during the MGUS phase. While the genetic features of MGUS or SMM cells at baseline may predict disease risk, transition to MM involves altered growth of pre-existing clones...
October 13, 2016: Blood
https://www.readbyqxmd.com/read/27716740/high-levels-of-periostin-correlate-with-increased-fracture-rate-diffuse-mri-pattern-abnormal-bone-remodeling-and-advanced-disease-stage-in-patients-with-newly-diagnosed-symptomatic-multiple-myeloma
#10
E Terpos, D Christoulas, E Kastritis, T Bagratuni, M Gavriatopoulou, M Roussou, A Papatheodorou, E Eleutherakis-Papaiakovou, N Kanellias, C Liakou, I Panagiotidis, M Migkou, P Kokkoris, L A Moulopoulos, M A Dimopoulos
Periostin is an extracellular matrix protein that is implicated in the biology of normal bone remodeling and in different cancer cell growth and metastasis. However, there is no information on the role of periostin in multiple myeloma (MM). Thus, we evaluated periostin in six myeloma cell lines in vitro; in the bone marrow plasma and serum of 105 newly diagnosed symptomatic MM (NDMM) patients and in the serum of 23 monoclonal gammopathy of undetermined significance (MGUS), 33 smoldering MM (SMM) patients, 30 patients at the plateau phase post-first-line therapy, 30 patients at first relapse and 30 healthy controls...
October 7, 2016: Blood Cancer Journal
https://www.readbyqxmd.com/read/27711972/distinct-and-shared-three-dimensional-chromosome-organization-patterns-in-lymphocytes-monoclonal-gammopathy-of-undetermined-significance-and-multiple-myeloma
#11
Chirawadee Sathitruangsak, Christiaan H Righolt, Ludger Klewes, Doris Tung Chang, Rami Kotb, Sabine Mai
The consistent appearance of specific chromosomal translocations in multiple myeloma has suggested that the positioning of chromosomes in the interphase nucleus might play a role in the occurrence of particular chromosomal rearrangements associated with malignant transformation. Using fluorescence in situ hybridization, we have determined the positions of selected chromosome pairs (18 and 19, 9 and 22, 4 and 14, 14 and 16, 11 and 14) in interphase nuclei of myeloma cells compared to normal lymphocytes of treatment-naïve patients...
January 15, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27707674/benefits-of-new-immunoglobulin-derived-biomarkers-for-the-diagnosis-and-follow-up-of-patients-with-dysglobulinemia
#12
Natalia Ermak, Thao Nguyen-Khoa, Marie-Alexandra Alyanakian
The diagnostics and follow-up of monoclonal gammopathies such as multiple myeloma require precise analysis of the monoclonal component as well as the other immunoglobulins isotypes, which might be limited by the sensitivity of standard laboratory methods. New serum biomarkers were developed for routine practice in the last decades, such as the free light chain assays and more recently the heavy/light chain assay<strike>s</strike>. Studies have shown that serum free light chain measurement was useful in the identification and follow-up of pauci or nonsecretory myeloma, free light-chain multiple myeloma and AL amyloidosis...
October 1, 2016: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/27701752/immunotherapy-for-igm-anti-myelin-associated-glycoprotein-paraprotein-associated-peripheral-neuropathies
#13
REVIEW
Michael Pt Lunn, Eduardo Nobile-Orazio
BACKGROUND: Serum monoclonal anti-myelin-associated glycoprotein (anti-MAG) antibodies may be pathogenic in some people with immunoglobulin M (IgM) paraprotein and demyelinating neuropathy. Immunotherapies aimed at reducing the level of these antibodies might be expected to be beneficial. This is an update of a review first published in 2003 and previously updated in 2006 and 2012. OBJECTIVES: To assess the effects of immunotherapy for IgM anti-MAG paraprotein-associated demyelinating peripheral neuropathy...
October 4, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27698801/combined-use-of-free-light-chain-and-heavy-light-chain-ratios-allow-diagnosis-and-monitoring-of-patients-with-monoclonal-gammopathies-experience-of-a-single-institute-with-three-exemplar-case-reports
#14
Alfredo Gagliardi, Claudio Carbone, Angela Russo, Rosanna Cuccurullo, Anna Lucania, Paola Della Cioppa, Gabriella Misso, Michele Caraglia, Catello Tommasino, Lucia Mastrullo
Monoclonal gammopathies are characterized by serum monoclonal component (MC) plus an intact immunoglobulin and a free light chain (FLC), or a combination of both. The measurement of FLC with Freelite(®) is the standard practice recommended by International Myeloma Working Group guidelines. Recently, Hevylite(®) heavy/light chains (HLC) assays were introduced to specifically target junctional epitopes between the heavy and light chains of intact immunoglobulins, allowing the independent quantification of the involved (MC) and uninvolved (polyclonal immunoglobulin background) HLC isotype...
October 2016: Oncology Letters
https://www.readbyqxmd.com/read/27696258/role-of-endothelial-cells-and-fibroblasts-in-multiple-myeloma-angiogenic-switch
#15
Domenico Ribatti, Angelo Vacca
Multiple myeloma (MM) mainly progresses in bone marrow (BM). Therefore, signals from the BM microenvironment are thought to play a critical role in maintaining plasma cell growth, migration, and survival. Reciprocal positive and negative interactions between plasma cells and microenvironmental cells, including endothelial cells (ECs) and fibroblasts may occur. The BM neovascularization is a constant hallmark of MM, and goes hand in hand with progression to leukemic phase. Microenvironmental factors induce MMECs and fibroblasts to become functionally different from monoclonal gammopathy of undetermined significance (MGUS) ECs (MGECs), i...
2016: Cancer Treatment and Research
https://www.readbyqxmd.com/read/27696254/mgus-and-smoldering-multiple-myeloma-diagnosis-and-epidemiology
#16
María-Victoria Mateos, Ola Landgren
Monoclonal gammopathy of undetermined significance (MHUS) is characterized by the presence of a serum M-protein less than 3 g/dL, less than 10 % clonal plasma cells in the bone marrow, and the absence of myeloma-defining event. Smoldering multiple myeloma (SMM) is an asymptomatic disorder characterized by the presence of ≥3 g/dL serum M-protein and/or 10-60 % bone marrow plasma cell infiltration with no myeloma-defining event. The risk of progression to multiple myeloma (MM) requiring therapy varies greatly for individual patients, but it is uniform and 1 % per year for MGUS, while higher (10 % per year) and not uniform for SMM patients...
2016: Cancer Treatment and Research
https://www.readbyqxmd.com/read/27651903/hypercalcemia-associated-with-isolated-bone-marrow-sarcoidosis-in-a-patient-with-underlying-monoclonal-gammopathy-of-undetermined-significance-case-report-and-review-of-literature
#17
John Gubatan, Xiaohui Wang, Abner Louissaint, Anuj Mahindra, John Vanderpool
BACKGROUND: Bone marrow sarcoidosis is extremely rare. The association between sarcoidosis and lymphoproliferative disorders has been previously speculated, although the diagnosis of sarcoidosis often precedes any hematological derangements. CASE PRESENTATION: Here, we report for the first time, a case of a 57-year-old Caucasian woman with a previous diagnosis of monoclonal gammopathy of undetermined significance (MGUS) developing hypercalcemia and renal failure with workup notable for isolated bone marrow sarcoidosis and not multiple myeloma as expected...
2016: Biomarker Research
https://www.readbyqxmd.com/read/27606694/utility-of-flow-cytometry-studies-in-the-management-of-patients-with-multiple-myeloma
#18
Bruno Paiva, Juana Merino, Jesús F San Miguel
PURPOSE OF REVIEW: Although the input of multiparameter flow cytometry (MFC) into the clinical management of multiple myeloma patients has faced some reluctance, continuously growing evidence supports the utility of MFC in this disease. RECENT FINDINGS: MFC immunophenotyping of bone marrow and peripheral blood plasma cells affords cost-effective assessment of clonality, and provides prognostic information on the risk of progression in smoldering multiple myeloma, and the identification of active multiple myeloma patients with dismal outcome (e...
November 2016: Current Opinion in Oncology
https://www.readbyqxmd.com/read/27603395/monoclonal-gammopathy-of-undeterminated-significance-and-endoneurial-igg-deposition-a-case-report
#19
Stéphane Mathis, Jérôme Franques, Laurence Richard, Jean-Michel Vallat
BACKGROUND: Monoclonal gammopathy of undeterminated significance is the most common form of plasma cell dyscrasia, usually considered as benign. In rare cases it may have a malignant course, sometimes limited to an organ such as peripheral nerves. METHODS: We describe clinical, electrophysiological and pathological findings in a patient presenting a immunoglobulin G (IgG) paraproteinemic polyneuropathy clinically mimicking a chronic inflammatory demyelinating polyneuropathy...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27602198/monoclonal-gammopathy-of-undetermined-significance-and-neutrophilic-dermatosis
#20
Buthaina Al-Musalhi, William Gerstein
No abstract text is available yet for this article.
September 2016: Oman Medical Journal
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