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https://www.readbyqxmd.com/read/28319080/adverse-impact-of-high-donor-cd3-cell-dose-on-outcome-following-tandem-auto-nma-allogeneic-transplantation-for-high-risk-myeloma
#1
A P Nair, P Walker, A Kalff, K Bergin, J Hocking, S Avery, D J Curtis, S Patil, T Das, D Klarica, S Morgan, J Muirhead, M Gorniak, J Reynolds, A Spencer
High-risk (HR) multiple myeloma (MM) has poor outcomes with conventional therapy. Tandem autologous-non-myeloablative (NMA) allogeneic stem cell transplantation (autologous stem cell transplantation (ASCT)-NMA allogeneic SCT) is potentially curative secondary to graft-versus-myeloma effect. We retrospectively analysed ASCT-NMA allogeneic SCT outcomes of 59 HR and relapsed MM patients. At a median follow-up of 35.8 months, the outcomes for HR-MM upfront tandem ASCT-NMA allogeneic SCT and standard-risk (SR) MM upfront ASCT alone were comparable (median PFS 1166 days versus 1465 days, P=0...
March 20, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28317413/mesenchymal-stromal-cells-enhance-the-suppressive-effects-ofmyeloid-derived-suppressor-cells-of-multiple-myeloma
#2
Yinhui Xu, Xiaoying Zhang, Hongbo Liu, Pan Zhao, Yafang Chen, Yimin Luo, Limin Luo, Zhiqing Zhang, Xiaofang Wang
Both mesenchymal stromal cells (MSCs) and myeloid-derived suppressor cells (MDSCs) have immunosuppressive properties, and their presence may confer a worse prognosis upon cancer patients. However, whether MSCs can enhance the immunosuppressive effects of MDSCs in MM remains unknown. We evaluated the influence of MSCs on MDSCs growth, apoptosis, and functions. Our results show that MSCs promote proliferation and inhibit apoptosis in MDSCs. Additionally, MSCs enhance the ability of MDSCs by inhibiting T-cell proliferation and IFN-γ production...
March 20, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28314721/t-cell-bispecific-antibodies-suppress-multiple-myeloma
#3
(no author information available yet)
T-cell bispecific antibodies (TCB) targeting BCMA or FcRH5 induce T cell-mediated myeloma cell death.
March 17, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28300458/peripheral-blood-stem-cell-mobilization-with-a-single-dose-of-peg-filgrastim-in-patients-with-multiple-myeloma-previously-treated-with-radiotherapy
#4
Alfonso T Anguita-Compagnon, Maria T Dibarrart, Laura Paredes, Daniel Araos, Marcela Vargas, Alejandro Majlis
No abstract text is available yet for this article.
March 16, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28292432/antibodies-create-killer-bonds-in-myeloma
#5
Marta Chesi, Rafael Fonseca
In this issue of Cancer Cell, Li et al. and Seckinger et al. describe promising results of two T-cell-dependent bi-specific antibodies for the treatment of multiple myeloma: one targets FcRH5 expressed on B cells, whereas the other targets the B cell maturation antigen expressed on plasma cells.
March 13, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28286198/in-hospital-mortality-and-post-transplant-complications-in-elderly-multiple-myeloma-patients-undergoing-autologous-hematopoietic-stem-cell-transplantation-a-population-based-study
#6
Larysa Sanchez, Michael Sylvester, Ricardo Parrondo, Veronica Mariotti, Jean Anderson Eloy, Victor T Chang
Autologous hematopoietic stem cell transplantation (auto-HSCT) has improved survival in patients with multiple myeloma (MM) and is increasingly used in elderly patients. The aim of this study was to characterize and compare in-hospital complications and mortality after auto-HSCT in younger (< age 65) vs. elderly (≥ age 65) MM patients utilizing the Nationwide Inpatient Sample (NIS). Over a three-year period (2008-2010), 2209 patients with MM were admitted to U.S. Hospitals for auto-HSCT. The median age was 59 years, with 1650 patients (74...
March 9, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28275987/smenospongidine-suppresses-the-proliferation-of-multiple-myeloma-cells-by-promoting-ccaat-enhancer-binding-protein-homologous-protein-mediated-%C3%AE-catenin-degradation
#7
Seoyoung Park, In Hyun Hwang, Jiseon Kim, Young-Hwa Chung, Gyu-Young Song, MinKyun Na, Sangtaek Oh
Abnormal up-regulation of β-catenin expression is associated with the development and progression of multiple myeloma and is thus a potential therapeutic target. Here, we screened cell-based natural compounds and identified smenospongidine, a metabolite isolated from a marine sponge, as an antagonist of the Wnt/β-catenin signaling pathway. Smenospongidine promoted the degradation of intracellular β-catenin that accumulated via Wnt3a or 6-bromoindirubin-3'-oxime, an inhibitor of glycogen synthase kinase-3β...
March 8, 2017: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/28270022/a-phase-1-trial-of-the-hdac-inhibitor-ar-42-in-patients-with-multiple-myeloma-and-t-and-b-cell-lymphomas
#8
Douglas W Sborov, Alessandro Canella, Erinn M Hade, Xiaokui Mo, Soun Khountham, Jiang Wang, Wenjun Ni, Ming Poi, Christopher Coss, Zhongfa Liu, Mitch A Phelps, Amir Mortazavi, Leslie Andritsos, Robert A Baiocchi, Beth A Christian, Don M Benson, Joseph Flynn, Pierluigi Porcu, John C Byrd, Flavia Pichiorri, Craig C Hofmeister
Histone deacetylase inhibitors (HDACi) have proven activity in hematologic malignancies, and their FDA approval in multiple myeloma (MM) and T-cell lymphoma highlights the need for further development of this drug class. We investigated AR-42, an oral pan-HDACi, in a first-in-man phase 1 dose escalation clinical trial. Overall, treatment was well tolerated, no DLTs were evident, and the MTD was defined as 40 mg dosed three times weekly for three weeks of a 28-day cycle. One patient each with MM and mantle cell lymphoma demonstrated disease control for 19 and 27 months (ongoing), respectively...
March 7, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28264597/report-of-the-6th-international-workshop-on-pet-in-lymphoma
#9
Cristina Nanni, Anne Ségolène Cottereau, Egesta Lopci, Caroline Bodet-Milin, Monica Coronado, Barbara Pro, Wong Seog Kim, Judith Trotman, Sally Barrington, Ulrich Duhrsen, Thierry Vander Borght, Elena Zamagni, Françoise Kraeber-Bodéré, Christina Messiou, Alain Rahmouni, Irène Buvat, Marc Andre, Mark Hertzberg, Wim Oyen, Olivier Casasnovas, Stefano Luminari, Laurent Garderet, Françoise Montravers, Carsten Kobe, Regine Kluge, Annibale Versari, Emanuele Zucca, Philippe Moreau, Bruce Cheson, Corinne Haioun, Andrea Gallamini, Michel Meignan
Two hundred and ten nuclear medicine physicians, radiologists, and hematologists from 26 countries attended the 6th International Workshop on Positron Emission Tomography (PET) in Lymphoma and Myeloma held in Menton, France, in September 2016. The meeting was under the auspices of the European Lymphoma Institute (ELI), the European Association of Nuclear Medicine (EANM) the Lymphoma Study Association (LYSA), the Italian Foundation on Lymphoma (FIL) and the Carnot Institute for Lymphoma (CALYM). Forty scientific posters were presented...
March 7, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28262555/membrane-proximal-epitope-facilitates-efficient-t-cell-synapse-formation-by-anti-fcrh5-cd3-and-is-a-requirement-for-myeloma-cell-killing
#10
Ji Li, Nicola J Stagg, Jennifer Johnston, Michael J Harris, Sam A Menzies, Danielle DiCara, Vanessa Clark, Maria Hristopoulos, Ryan Cook, Dionysos Slaga, Rin Nakamura, Luke McCarty, Siddharth Sukumaran, Elizabeth Luis, Zhengmao Ye, Thomas D Wu, Teiko Sumiyoshi, Dimitry Danilenko, Genee Y Lee, Klara Totpal, Diego Ellerman, Isidro Hötzel, John R James, Teemu T Junttila
The anti-FcRH5/CD3 T cell-dependent bispecific antibody (TDB) targets the B cell lineage marker FcRH5 expressed in multiple myeloma (MM) tumor cells. We demonstrate that TDBs trigger T cell receptor activation by inducing target clustering and exclusion of CD45 phosphatase from the synapse. The dimensions of the target molecule play a key role in the efficiency of the synapse formation. The anti-FcRH5/CD3 TDB kills human plasma cells and patient-derived myeloma cells at picomolar concentrations and results in complete depletion of B cells and bone marrow plasma cells in cynomolgus monkeys...
February 20, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28262554/target-expression-generation-preclinical-activity-and-pharmacokinetics-of-the-bcma-t-cell-bispecific-antibody-em801-for-multiple-myeloma-treatment
#11
Anja Seckinger, Jose Antonio Delgado, Samuel Moser, Laura Moreno, Brigitte Neuber, Anna Grab, Susanne Lipp, Juana Merino, Felipe Prosper, Martina Emde, Camille Delon, Melanie Latzko, Reto Gianotti, Remo Lüoend, Ramona Murr, Ralf J Hosse, Lydia Jasmin Harnisch, Marina Bacac, Tanja Fauti, Christian Klein, Aintzane Zabaleta, Jens Hillengass, Elisabetta Ada Cavalcanti-Adam, Anthony D Ho, Michael Hundemer, Jesus F San Miguel, Klaus Strein, Pablo Umaña, Dirk Hose, Bruno Paiva, Minh Diem Vu
We identified B cell maturation antigen (BCMA) as a potential therapeutic target in 778 newly diagnosed and relapsed myeloma patients. We constructed an IgG-based BCMA-T cell bispecific antibody (EM801) and showed that it increased CD3(+) T cell/myeloma cell crosslinking, followed by CD4(+)/CD8(+) T cell activation, and secretion of interferon-γ, granzyme B, and perforin. This effect is CD4 and CD8 T cell mediated. EM801 induced, at nanomolar concentrations, myeloma cell death by autologous T cells in 34 of 43 bone marrow aspirates, including those from high-risk patients and patients after multiple lines of treatment, tumor regression in six of nine mice in a myeloma xenograft model, and depletion of BCMA(+) cells in cynomolgus monkeys...
February 27, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28259300/immunotherapy-for-the-treatment-of-multiple-myeloma
#12
REVIEW
Sung-Hoon Jung, Hyun-Ju Lee, Manh-Cuong Vo, Hyeoung-Joon Kim, Je-Jung Lee
Immunotherapy has recently emerged as a promising treatment for multiple myeloma (MM). There are now several monoclonal antibodies that target specific surface antigens on myeloma cells or the checkpoints of immune and myeloma cells. Elotuzumab (targeting SLAMF7), daratumumab (targeting CD38), and pembrolizumab (targeting PD-1) have shown clinical activity in clinical studies with relapsed/refractory MM. Dendritic cell vaccination is a safe strategy that has shown some efficacy in a subset of myeloma patients and may become a crucial part of MM treatment when combined with immunomodulatory drugs or immune check-point blockade...
March 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28256461/observation-on-frequency-clinico-pathological-significance-of-various-cytogenetic-risk-groups-in-multiple-myeloma-an-experience-from-india
#13
Pratibha S Kadam Amare, Hemani Jain, Shraddha Nikalje, Manju Sengar, Hari Menon, Nitin Inamdar, P G Subramanian, Sumeet Gujral, Tanuja Shet, Sridhar Epari, Reena Nair
BACKGROUND & OBJECTIVES: Multiple myeloma (MM) is a plasma cell malignancy characterized by cytogenetic heterogeneity. In comparison with conventional karyotyping, fluorescence in situ hybridization (FISH) can efficiently detect various genetic changes in non-cycling plasma cells in 50-90 per cent of MM cases. The present study was undertaken in MM patients to evaluate the frequency and clinico-pathological significance of various cytogenetic abnormalities in the Indian population. METHODS: Interphase FISH was applied on purified plasma cells of 475 patients with MM using specific probes...
October 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28249894/targeting-cd38-suppresses-induction-and-function-of-t-regulatory-cells-to-mitigate-immunosuppression-in-multiple-myeloma
#14
Xiaoyan Feng, Li Zhang, Chirag Acharya, Gang An, Kenneth Wen, Luqui Qiu, Nikhil C Munshi, Yu-Tzu Tai, Kenneth C Anderson
PURPOSE: We study CD38 levels in immunosuppressive CD4+CD25highFoxp3+ Tregs and further define immune modulating effects of a therapeutic CD38 monoclonal antibody (mAb) Isatuximab (Isa)/SAR650984 in multiple myeloma (MM). EXPERIMENTAL DESIGN: We evaluated percentages of CD38-expressing subsets in Tregs from normal donors and MM patients. PBMCs were then treated with Isa with or without Lenalidomide (Len) or Pomalidomide (Pom) to identify their impact on percentage and immunosuppressive activity of Tregs on CD4+CD25- T cells (Tcons)...
March 1, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28219836/donor-lymphocyte-infusion-for-relapsed-hematological-malignancies-after-unrelated-allogeneic-bone-marrow-transplantation-facilitated-by-the-japan-marrow-donor-program
#15
Toshihiro Miyamoto, Takahiro Fukuda, Marie Nakashima, Tomoko Henzan, Shinsuke Kusakabe, Naoki Kobayashi, Junichi Sugita, Takeshi Mori, Mineo Kurokawa, Shin-Ichiro Mori
To evaluate the safety and efficacy of donor lymphocyte infusion (DLI), we retrospectively analyzed 414 recipients who received unrelated DLI (UDLI) for the treatment of relapsed hematological malignancy after unrelated bone marrow transplantation (BMT). UDLI was administered for acute myelogenous leukemia (n=184), myelodysplastic syndrome (n=69), acute lymphocytic leukemia (n=57), chronic myelogenous leukemia (CML, n=36), lymphoid neoplasms (n=38), adult T-cell leukemia/lymphoma (n=18), and multiple myeloma (n=12)...
February 17, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28219207/-mutations-of-vitamin-d-receptor-gene-found-in-patients-with-multiple-myeloma
#16
Y Liu, H B Rui
Objective: To explore the mutations of vitamin D receptor (VDR) gene in patients with multiple myeloma (MM). Methods: Polymerase chain reaction (PCR) and direct DNA sequencing were used to detect the mutations of VDR gene(loci Fok Ⅰ, Bsm Ⅰ, Apa Ⅰ, Taq Ⅰ) in forty MM cases and 84 healthy control subjects. Results: A synonymous mutation (ATC→ATA , both encode isoleucine) at cDNA codon1421 of VDR gene was found in one MM patients, which correlated to a better therapeutic response. Rare Bsm Ⅰ AA genotype and Taq Ⅰ CC genotype were detected in a MM patient, which might be related to the relapsing and refracfory disease...
February 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28215056/an-analysis-of-blood-utilization-for-stem-cell-transplant-patients-in-a-tertiary-care-hospital
#17
Natasha Ali
Background and Objective: Haematopoietic stem cell transplant is a potentially curative treatment option in various benign and malignant haematological diseases. Patients undergoing stem cell transplant procedure require blood transfusion on a daily basis. Currently, there is paucity of data from developing countries on transfusion practices. This audit was undertaken to determine the consumption of packed red blood cells (PRBCs) transfusion in the bone marrow transplant unit of the Aga Khan University Hospital...
February 28, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28211573/the-cationic-small-molecule-gw4869-is-cytotoxic-to-high-phosphatidylserine-expressing-myeloma-cells
#18
Slavica Vuckovic, Kate Vandyke, David A Rickards, Padraig McCauley Winter, Simon H J Brown, Todd W Mitchell, Jun Liu, Jun Lu, Philip W Askenase, Elizabeth Yuriev, Ben Capuano, Paul A Ramsland, Geoffrey R Hill, Andrew C W Zannettino, Andrew T Hutchinson
We have discovered that a small cationic molecule, GW4869, is cytotoxic to a subset of myeloma cell lines and primary myeloma plasma cells. Biochemical analysis revealed that GW4869 binds to anionic phospholipids such as phosphatidylserine - a lipid normally confined to the intracellular side of the cell membrane. However, interestingly, phosphatidylserine was expressed on the surface of all myeloma cell lines tested (n = 12) and 9/15 primary myeloma samples. Notably, the level of phosphatidylserine expression correlated well with sensitivity to GW4869...
February 17, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28201977/targeting-the-immune-niche-within-the-bone-marrow-microenvironment-the-rise-of-immunotherapy-in-multiple-myeloma
#19
Klaus Podar, D Jäger
Multiple Myeloma (MM) cells inhibit the development of an effective anti-MM immune response via defects in T cell function, ineffective antigen presentation; reduced phagocytic capacity; natural killer and dendritic cell dysfunction; decreased responsiveness to IL-2 and defects in B cell immunity; upregulation of inhibitory pathways; and production of excessive pro-inflammatory cytokines. Moreover, immune cells including plasmacytoid dendritic cells and macrophages trigger tumor cell proliferation, survival, and drug resistance...
February 13, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28199990/activation-of-nk-cells-and-disruption-of-pd-l1-pd-1-axis-two-different-ways-for-lenalidomide-to-block-myeloma-progression
#20
REVIEW
Massimo Giuliani, Bassam Janji, Guy Berchem
Natural Killer (NK) cells play a critical role against tumor cells in hematological malignancies. Their activating receptors are essential in tumor cell killing. In Multiple Myeloma (MM) patients, NK cell differentiation, activation and cytotoxic potential are strongly impaired leading to MM escape from immune surveillance in tissues and bone marrow. Mechanisms used by MM to affect NK cell functions are mediated by the release of soluble factors, the expression of activating and inhibitory NK cell ligands, and the expression of immune check-point inhibitors...
February 9, 2017: Oncotarget
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