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waldenstroms ma

Meletios A Dimopoulos, Judith Trotman, Alessandra Tedeschi, Jeffrey V Matous, David Macdonald, Constantine Tam, Olivier Tournilhac, Shuo Ma, Albert Oriol, Leonard T Heffner, Chaim Shustik, Ramón García-Sanz, Robert F Cornell, Carlos Fernández de Larrea, Jorge J Castillo, Miquel Granell, Marie-Christine Kyrtsonis, Veronique Leblond, Argiris Symeonidis, Efstathios Kastritis, Priyanka Singh, Jianling Li, Thorsten Graef, Elizabeth Bilotti, Steven Treon, Christian Buske
BACKGROUND: In the era of widespread rituximab use for Waldenström's macroglobulinaemia, new treatment options for patients with rituximab-refractory disease are an important clinical need. Ibrutinib has induced durable responses in previously treated patients with Waldenström's macroglobulinaemia. We assessed the efficacy and safety of ibrutinib in a population with rituximab-refractory disease. METHODS: This multicentre, open-label substudy was done at 19 sites in seven countries in adults aged 18 years and older with confirmed Waldenström's macroglobulinaemia, refractory to rituximab and requiring treatment...
February 2017: Lancet Oncology
H Y Ouyang, Z J Yu, J Yin, X J Zhao, Z Y Wang, W Zhang, Z N Ma, J Su, X Bai, C G Ruan
OBJECTIVE: To deepen the understanding of acquired von Willebrand syndrome (AVWS). METHODS: The clinical data of 3 patients were analyzed and related literature were reviewed. RESULTS: ① Case 1, a 70- year- old male, diagnosed as Waldenstrom macroglobulinemia and AVWS, was presented with spontaneous epitaxis and bruising. The VWF∶Ag level was 16%. Treatment was initiated with VWF concentrates. Two cycles of chemotherapy with Bortezomib, thalidomide and Dexamethasone were followed...
August 14, 2016: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
Kim Ma, Stephen Caplan
Warm autoimmune hemolytic anemia (wAIHA) is the most common form of AIHA, with corticosteroids in first-line treatment resulting in a 60-80% response rate. Atypical wAIHA and IgG plus complement mediated disease have a higher treatment failure rate and higher recurrence rate. We report a case of severe wAIHA secondary to Waldenström macroglobulinemia with life threatening intravascular hemolysis refractory to prednisone, rituximab, splenectomy, and plasmapheresis. A four-week treatment of eculizumab in this heavily pretreated patient resulted in a sustained increase in hemoglobin and transfusion independence, suggesting a role for complement inhibition in refractory wAIHA...
2016: Case Reports in Hematology
Aldo M Roccaro, Antonio Sacco, Jiantao Shi, Marco Chiarini, Adriana Perilla-Glen, Salomon Manier, Siobhan Glavey, Yosra Aljawai, Yuji Mishima, Yawara Kawano, Michele Moschetta, Mick Correll, Ma Reina Improgo, Jennifer R Brown, Luisa Imberti, Giuseppe Rossi, Jorge J Castillo, Steven P Treon, Matthew L Freedman, Eliezer M Van Allen, Winston Hide, Elaine Hiller, Irene Rainville, Irene M Ghobrial
Familial aggregation of Waldenström macroglobulinemia (WM) cases, and the clustering of B-cell lymphoproliferative disorders among first-degree relatives of WM patients, has been reported. Nevertheless, the possible contribution of inherited susceptibility to familial WM remains unrevealed. We performed whole exome sequencing on germ line DNA obtained from 4 family members in which coinheritance for WM was documented in 3 of them, and screened additional independent 246 cases by using gene-specific mutation sequencing...
May 26, 2016: Blood
A Albitar, W Ma, I DeDios, J Estella, S Agersborg, M Albitar
INTRODUCTION: Detection of mutations in the myeloid differentiation primary response gene 88 (MYD88) has clinical implications on diagnosis and therapy, especially in patients with Waldenström's macroglobulinemia (WM) and IgM monoclonal gammopathy of unknown significance (IgM-MGUS). We describe a method that provides greatly increased sensitivity for detecting minority mutations in MYD88. METHODS: We used a locked nucleic acid oligonucleotide to block amplification of wild-type DNA during polymerase chain reaction (PCR)...
April 2016: International Journal of Laboratory Hematology
Linda Vixner, Erica Schytt, Elisabet Stener-Victorin, Ulla Waldenström, Hans Pettersson, Lena B Mårtensson
BACKGROUND: Acupuncture is commonly used to reduce pain during labour despite contradictory results. The aim of this study is to evaluate the effectiveness of acupuncture with manual stimulation and acupuncture with combined manual and electrical stimulation (electro-acupuncture) compared with standard care in reducing labour pain. Our hypothesis was that both acupuncture stimulation techniques were more effective than standard care, and that electro-acupuncture was most effective. METHODS: A longitudinal randomised controlled trial...
June 9, 2014: BMC Complementary and Alternative Medicine
Mark J Roberts, Amy Chadburn, Shuo Ma, Elizabeth Hyjek, LoAnn C Peterson
Waldenström macroglobulinemia (WM) is characterized by monoclonal gammopathy, usually IgM, in association with lymphoplasmacytic lymphoma (LPL). Little is known of the expression of nuclear proteins involved in B-cell development in LPL/WM. In this study, the expression patterns of PAX5/BSAP, MUM1/IRF4, and PRDM1/BLIMP1 were analyzed in plasma cells and lymphocytes in 29 cases of newly diagnosed LPL/WM by double immunohistochemical staining with CD138 and CD22. These patterns were compared with the expression profiles seen in normal bone marrow samples, reactive tonsils, and cases of plasma cell myeloma and marginal zone lymphoma...
February 2013: American Journal of Clinical Pathology
Urban Hellman, Linus Malm, Li-Ping Ma, Göran Larsson, Stellan Mörner, Michael Fu, Anna Engström-Laurent, Anders Waldenström
BACKGROUND: Hyaluronan (HA) is a glycosaminoglycan located in the interstitial space which is essential for both structural and cell regulatory functions in connective tissue. We have previously shown that HA synthesis is up-regulated in a rat model of experimental cardiac hypertrophy and that cardiac tissue utilizes two different HA synthases in the hypertrophic process. Cardiomyocytes and fibroblasts are two major cell types in heart tissue. The fibroblasts are known to produce HA, but it has been unclear if cardiomyocytes share the same feature, and whether or not the different HA synthases are activated in the different cell types...
December 21, 2010: PloS One
M Kuliszkiewicz-Janus, R Małecki, A Zółtaszek, M Zastawny
Bone disease occurring in multiple myeloma is usually evaluated using radiological methods. These methods, however, provide not much information about the dynamic process of bone resorption and formation. This study analysed levels of serum markers of bone turnover (ICTP and OC), reflecting function of osteoclasts and osteoblasts. It demonstrates increased level of ICTP in 75 patients with MM compared to control group (8 persons) and patients with Waldenström's macroglobulinemia (10 persons). The level of ICTP was also higher in patients with more advanced bone disease and probably in higher stage of disease according to Salmon and Durie classification...
December 2005: Leukemia & Lymphoma
Shangqin Liu, Hideaki Ishikawa, Fu-Jun Li, Zi Ma, Ken-ichiro Otsuyama, Hideki Asaoku, Saeid Abroun, Xu Zheng, Naohiro Tsuyama, Masanori Obata, Michio M Kawano
The serum levels of an adrenal sex hormone, dehydroepiandrosterone sulfate (DHEA-S), are significantly more decreased in human myelomas compared with the reduction brought by physiologic decline with age. In order to clarify the effect of DHEA on myeloma cells, we investigated whether DHEA and DHEA-S could inhibit interleukin-6 (IL-6) production of bone marrow mononuclear cells and the proliferation of myeloma cells from patients with myeloma. DHEA-S and DHEA suppressed IL-6 production from a bone marrow stromal cell line, KM-102, as well as in bone marrow mononuclear cells from patients with myeloma...
March 15, 2005: Cancer Research
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