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Monoclonal gammopathy

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https://www.readbyqxmd.com/read/27916751/-autoantibodies-in-chronic-inflammatory-neuropathies
#1
Ryo Yamasaki
Autoantibodies in chronic demyelinating neuropathies have been explored for several years. Recently, the peptides in the nodes of Ranvier have been the focus of attention in finding targets of autoantibodies. Until now, the most popular autoantibodies have been contactin-1 and neurofascin-155 for chronic demyelinating polyradiculoneuropathy (CIDP), GM1-ganglioside for multifocal motor neuropathy, and myelin-associated glycoprotein for polyneuropathy associated with monoclonal gammopathy of unknown significance...
December 2016: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/27884455/-acid-sphingomyelinase-deficiency-niemann-pick-disease-type-b-in-adulthood-a-retrospective-multicentric-study-of-28%C3%A2-adult-cases
#2
O Lidove, N Belmatoug, R Froissart, C Lavigne, I Durieu, K Mazodier, C Serratrice, C Douillard, C Goizet, P Cathebras, G Besson, Z Amoura, A Tazi, M Gatfossé, S Rivière, T Sené, M T Vanier, J-M Ziza
INTRODUCTION: Acid sphingomyelinase deficiency (ASMD) is an autosomal recessive disease with a clinical spectrum ranging from a neurovisceral infantile form (Niemann-Pick disease type A) to a chronic visceral form also encountered in adults (Niemann-Pick disease type B, NP-B). METHODS: Retrospective multicentric analysis of French adult patients with ASMD over the period 1985-March 2015. Clinical, biological, and imaging data were analyzed. RESULTS: Twenty-eight patients (19 males, 9 females) were analyzed...
November 22, 2016: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/27868410/-expression-of-microrna-221-222-in-patients-with-monoclonal-gammopathy-of-undetermined-significance-and-multiple-myeloma
#3
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/27866728/what-is-new-in-2015-in-dysimmune-neuropathies
#4
REVIEW
T Kuntzer
This review discusses and summarizes the concept of nodopathies, the diagnostic features, investigations, pathophysiology, and treatment options of chronic inflammatory demyelinating polyradiculoneuropathy, and gives updates on other inflammatory and dysimmune neuropathies such as Guillain-Barré syndrome, sensory neuronopathies, small-fiber-predominant ganglionitis, POEMS syndrome, neuropathies associated with IgM monoclonal gammopathy and multifocal motor neuropathy. This field of research has contributed to the antigenic characterization of the peripheral motor and sensory functional systems, as well as helping to define immune neuropathic syndromes with widely different clinical presentation, prognosis and response to therapy...
December 2016: Revue Neurologique
https://www.readbyqxmd.com/read/27829380/design-and-development-of-the-australian-and-new-zealand-anz-myeloma-and-related-diseases-registry
#5
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
#6
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
#7
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
#8
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/27816953/igd-%C3%AE-myeloma-with-extensive-free-light-chain-excretion-a-diagnostic-pitfall-in-the-identification-of-monoclonal-gammopathies
#9
Christoph Robier, Maria Piribauer, Christine Beham-Schmid, Kristina Aubell, Manfred Neubauer
No abstract text is available yet for this article.
November 7, 2016: Clinical Chemistry and Laboratory Medicine: CCLM
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
#10
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/27805725/laboratory-tests-for-diagnosing-and-monitoring-canine-leishmaniasis
#11
REVIEW
Saverio Paltrinieri, Luigi Gradoni, Xavier Roura, Andrea Zatelli, Eric Zini
Although several reviews on canine leishmaniasis have been published, none thoroughly described clinicopathologic abnormalities and their clinical usefulness. The aim of this review was to provide information concerning current diagnostic tests relevant for clinical pathologists and from a practical perspective. Specifically, in canine leishmaniasis, nonregenerative normocytic normochromic anemia, thrombocytopenia, or leukogram changes may be present. Clinical chemistry and urinalysis may indicate renal dysfunction (azotemia, decreased urine specific gravity, proteinuria) and an inflammatory/immune response (increased acute phase proteins [APP] or α2 - and/or γ-globulins)...
November 2, 2016: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/27804161/monoclonal-gammopathy-of-undetermined-significance-mgus-and-smoldering-myeloma-smm-a-practical-guide-to-management
#12
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/27797847/amyloidosis-an-unusual-cause-of-upper-gastrointestinal-bleeding
#13
Keith Siau, Amera Elzubeir, Sheldon C Cooper, Tariq Iqbal
We report a rare case of upper gastrointestinal bleeding in a 55-year-old man with monoclonal gammopathy of unknown significance presenting with abdominal pain, weight loss and melaena. Gastroscopy was unremarkable, but melaena persisted, with the development of symptomatic anaemia. While colonoscopy excluded a lower gastrointestinal aetiology, CT revealed jejunitis, confirmed at capsule endoscopy. Histopathological examination of specimens obtained at single balloon enteroscopy revealed an unusual aetiology: small bowel AL-amyloidosis...
October 26, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27775078/loss-of-cyld-expression-unleashes-wnt-signaling-in-multiple-myeloma-and-is-associated-with-aggressive-disease
#14
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/27773425/unravelling-the-immunopathological-mechanisms-of-heavy-chain-deposition-disease-with-implications-for-clinical-management
#15
Frank Bridoux, Vincent Javaugue, Sébastien Bender, Fannie Leroy, Pierre Aucouturier, Céline Debiais-Delpech, Jean-Michel Goujon, Nathalie Quellard, Amélie Bonaud, Marie Clavel, Patrick Trouillas, Florent Di Meo, Jean-Marc Gombert, Jean-Paul Fermand, Arnaud Jaccard, Michel Cogné, Guy Touchard, Christophe Sirac
Randall-type heavy chain deposition disease (HCDD) is a rare disorder characterized by tissue deposition of a truncated monoclonal immunoglobulin heavy chain lacking the first constant domain. Pathophysiological mechanisms are unclear and management remains to be defined. Here we retrospectively studied 15 patients with biopsy-proven HCDD of whom 14 presented with stage 3 or higher chronic kidney disease, with nephrotic syndrome in 9. Renal lesions were characterized by nodular glomerulosclerosis, with linear peritubular and glomerular deposits of γ-heavy chain in 12 patients or α-heavy chain in 3 patients, without concurrent light chain staining...
October 20, 2016: Kidney International
https://www.readbyqxmd.com/read/27745940/-macro-ast-and-myeloma-an-incidental-association
#16
C Lartigau-Roussin, M H Paclet, H Audin, B Toussaint, T Henni, L Raffray
INTRODUCTION: Macro-AST is recognized as a classical aetiology of isolated and persistent increase of serum aspartate aminotransferase (AST) levels. Macro-AST are high molecular weight complexes associating AST and a macromolecule, often an immunoglobulin. Although those macroenzymes of unknown pathogenesis are usually non-pathogenic, association with several diseases, including autoimmune diseases and liver diseases has been described. CASE REPORT: We report here the case of a 45-year-old patient with previously normal liver enzymes in whom an AST elevation and an IgA monoclonal gammopathy were discovered concomitantly...
October 13, 2016: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/27737890/mgus-to-myeloma-a-mysterious-gammopathy-of-underexplored-significance
#17
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
#18
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/27715073/-schnitzlers-syndromedifferential-diagnostics-an-overview-of-therapeutic-options-and-description-of-5%C3%A2-cases-treated-with-anakinra
#19
Zdeněk Adam, Anna Šedivá, Renata Koukalová, Zdeněk Řehák, Hana Petrášová, Petr Szturz, Zdenka Adamová, Eva Vetešníková, Luděk Pour, Marta Krejčí, Viera Sandecká, Eva Pourová, Zdeňka Čermáková, Sabina Ševčíková, Zdeněk Král, Jiří Mayer
Schnitzlers syndrome is an acquired auto-inflammatory disease of still unclear origin. The Strasbourg criteria were adopted (non-infectious fever, chronic urticaria, changes in the bone structure, leukocytosis and higher values of inflammatory markers - CRP and presence of monoclonal immunoglobulin mostly of type IgM, very rarely of IgG) to establish this diagnosis. The first-choice therapy for this disease is the blocking of interleukin-1 effects. In practice, the interleukin-1 receptor antagonist, anakinra, is the most commonly used...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27711972/distinct-and-shared-three-dimensional-chromosome-organization-patterns-in-lymphocytes-monoclonal-gammopathy-of-undetermined-significance-and-multiple-myeloma
#20
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
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