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https://www.readbyqxmd.com/read/28096095/functional-role-and-therapeutic-targeting-of-p21-associated-kinase-4-pak4-in-multiple-myeloma
#1
Mariateresa Fulciniti, Joaquin Martinez-Lopez, William Senapedis, Stefania Oliva, Rajya Lakshmi Bandi, Nicola Amodio, Yan Xu, Raphael L Szalat, Annamaria Gulla, Mehmet K Samur, Aldo Roccaro, Maria Linares, Michele Cea, Erkan Baloglu, Christian Argueta, Yosef Landesman, Sharon Shacham, Siyuan Liu, Monica Schenone, Shiaw-Lin Wu, Barry Karger, Rao Prabhala, Kenneth C Anderson, Nikhil C Munshi
Dysregulated oncogenic serine/threonine kinases play a pathological role in diverse forms of malignancies, including multiple myeloma (MM), and thus represent potential therapeutic targets. Here, we evaluated the biological and functional role of p21-activated kinase 4 (PAK4), and its potential as a new target in MM for clinical applications. PAK4 promoted MM cell growth and survival via activation of MM survival signaling pathways, including the MEK-ERK pathway. Furthermore, treatment with orally bioavailable PAK4 allosteric modulator (KPT-9274) significantly impacted MM cell growth and survival in a large panel of MM cell lines and primary MM cells alone and in the presence of bone marrow microenvironment...
January 17, 2017: Blood
https://www.readbyqxmd.com/read/28090624/current-strategies-for-the-immunotherapy-of-multiple-myeloma
#2
REVIEW
Tim Luetkens, Sara Yousef, Sabarinath Venniyil Radhakrishnan, Djordje Atanackovic
The introduction of cellular immunotherapies using genetically modified T cells has revolutionized the treatment of patients with B-cell lymphomas. However, despite the progress made in this field, similarly effective immunotherapeutic approaches have not yet been identified for patients with solid tumors or other hematologic malignancies such as multiple myeloma. Here we outline the most promising novel cellular immune strategies for patients with multiple myeloma. In addition, we highlight combinatorial approaches that, it is hoped, will further optimize cellular immunotherapies for myeloma and lead to deep and durable responses and, possibly, even cures...
January 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28088784/a-phase-i-clinical-study-of-autologous-dendritic-cell-therapy-in-patients-with-relapsed-or-refractory-multiple-myeloma
#3
Sung-Hoon Jung, Hyun-Ju Lee, Youn-Kyung Lee, Deok-Hwan Yang, Hyeoung-Joon Kim, Joon Haeng Rhee, Frank Emmrich, Je-Jung Lee
Cellular immunotherapy is emerging as a potential immunotherapeutic modality in multiple myeloma (MM). We have developed potent immunotherapeutic agent (VAX-DC/MM) generated by dendritic cells (DCs) loaded with autologous myeloma cells irradiated with ultraviolet B. In this study, we evaluated the safety and efficacy of VAX-DC/MM in patients with relapsed or refractory MM. This trial enrolled relapsed or refractory MM patients who had received both thalidomide- and bortezomib-based therapies. Patients received the intradermal VAX-DC/MM injection every week for 4 weeks...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28057743/il21r-expressing-cd14-cd16-monocytes-expand-in-multiple-myeloma-patients-leading-to-increased-osteoclasts
#4
Marina Bolzoni, Domenica Ronchetti, Paola Storti, Gaetano Donofrio, Valentina Marchica, Federica Costa, Luca Agnelli, Denise Toscani, Rosanna Vescovini, Katia Todoerti, Sabrina Bonomini, Gabriella Sammarelli, Andrea Vecchi, Daniela Guasco, Fabrizio Accardi, Benedetta Dalla Palma, Barbara Gamberi, Carlo Ferrari, Antonino Neri, Franco Aversa, Nicola Giuliani
Bone marrow monocytes are primarily committed to osteoclast formation. It is, however, unknown whether potential primary alterations are specifically present in bone marrow monocytes of multiple myeloma patients, smoldering myeloma or monoclonal gammopathy of uncertain significance. Herein, we analyzed the immunophenotypic and transcriptional profiles of bone marrow CD14+ monocytes in a cohort of patients with different types of monoclonal gammopathies to identify alterations involved in myeloma-enhanced osteoclastogenesis...
January 5, 2017: Haematologica
https://www.readbyqxmd.com/read/28053195/tcr-based-therapy-for-multiple-myeloma-and-other-b-cell-malignancies-targeting-intracellular-transcription-factor-bob1
#5
Lorenz Jahn, Pleun Hombrink, Renate S Hagedoorn, Michel G D Kester, Dirk M van der Steen, Tania Rodriguez, Tsvetelina Pentcheva-Hoang, Arnoud H de Ru, Marjolein P Schoonakker, Miranda H Meeuwsen, Marieke Griffioen, Peter A van Veelen, J H Frederik Falkenburg, Mirjam H M Heemskerk
Immunotherapy of hematological malignancies or solid tumors by administration of monoclonal antibodies or T-cells engineered to express chimeric antigen receptors or T-cell receptors (TCRs) has demonstrated clinical efficacy. However, antigen-loss tumor escape variants and the absence of currently targeted antigens on several malignancies hampers the widespread application of immunotherapy. We have isolated a TCR targeting a peptide of the intracellular B-cell specific transcription factor BOB1 presented in the context of HLA-B*07:02...
January 4, 2017: Blood
https://www.readbyqxmd.com/read/28052520/ikaros-expression-in-distinct-bone-marrow-cell-populations-as-a-candidate-biomarker-for-outcome-with-lenalidomide-dexamethasone-therapy-in-multiple-myeloma
#6
Arnold Bolomsky, Wolfgang Hübl, Stefano Spada, Ercan Müldür, Karin Schlangen, Daniel Heintel, Alberto Rocci, Adalbert Weißmann, Veronique Fritz, Martin Willheim, Niklas Zojer, Antonio Palumbo, Heinz Ludwig
Immunomodulatory drugs (IMiDs) are a cornerstone in the treatment of multiple myeloma (MM), but specific markers to predict outcome are still missing. Recent work pointed to a prognostic role for IMiD target genes (e.g. CRBN). Moreover, indirect activity of IMiDs on immune cells correlated with outcome, raising the possibility that cell populations in the bone marrow (BM) microenvironment could serve as biomarkers. We therefore analysed gene expression levels of six IMiD target genes in whole BM samples of 44 myeloma patients treated with lenalidomide-dexamethasone...
January 4, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28028233/aberrantly-expressed-lgr4-empowers-wnt-signaling-in-multiple-myeloma-by-hijacking-osteoblast-derived-r-spondins
#7
Harmen van Andel, Zemin Ren, Iris Koopmans, Sander P J Joosten, Kinga A Kocemba, Wim de Lau, Marie José Kersten, Alexander M de Bruin, Jeroen E J Guikema, Hans Clevers, Marcel Spaargaren, Steven T Pals
The unrestrained growth of tumor cells is generally attributed to mutations in essential growth control genes, but tumor cells are also affected by, or even addicted to, signals from the microenvironment. As therapeutic targets, these extrinsic signals may be equally significant as mutated oncogenes. In multiple myeloma (MM), a plasma cell malignancy, most tumors display hallmarks of active Wnt signaling but lack activating Wnt-pathway mutations, suggesting activation by autocrine Wnt ligands and/or paracrine Wnts emanating from the bone marrow (BM) niche...
January 10, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28025583/a-novel-bcma-cd3-bi-specific-t-cell-engager-for-the-treatment-of-multiple-myeloma-induces-selective-lysis-in-vitro-and-in-vivo
#8
S Hipp, Y-T Tai, D Blanset, P Deegen, J Wahl, O Thomas, B Rattel, P J Adam, K Anderson, M Friedrich
B cell maturation antigen (BCMA) is a highly plasma cell selective protein that is expressed on malignant plasma cells of multiple myeloma (MM) patients and therefore is an ideal target for T cell redirecting therapies. We developed a bispecific T cell engager (BiTE(®)) targeting BCMA and CD3ɛ (BI 836909) and studied its therapeutic impacts on MM. BI 836909 induced selective lysis of BCMA-positive MM cells, activation of T cells, release of cytokines and T cell proliferation; whereas BCMA-negative cells were not affected...
December 27, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28008668/immunoglobulin-heavy-and-light-chains-and-t-cell-receptor-beta-and-gamma-chains-pcr-assessment-on-cytological-samples-a-study-comparing-fta-cards-and-cryopreserved-lymph-node-fine-needle-cytology
#9
A L Peluso, I Cozzolino, A Bottiglieri, L Lucchese, R M Di Crescenzo, M Langella, C Selleri, P Zeppa
OBJECTIVES: To evaluate and compare the DNA yield and quality extracted from lymph node fine needle cytology (FNC) samples stored on FTA cards to those cryopreserved, and to assess the immunoglobulin heavy and light chains (IGHK) and T-Cell receptor beta and gamma chains (TCRBG) PCR tests. METHODS: DNA extractions were performed on FNC of 80 non-Hodgkin lymphomas (NHL), four myelomas and 56 benign reactive hyperplasias (BRH) cryopreserved and stored on FTA cards...
December 22, 2016: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28008178/novel-inhibition-of-pim2-kinase-has-significant-anti-tumor-efficacy-in-multiple-myeloma
#10
J R Nair, J Caserta, K Belko, T Howell, G Fetterly, C Baldino, K P Lee
The PIM kinase family (PIM1, 2 and 3) play a central role in integrating growth and survival signals, and are expressed in a wide range of solid and hematological malignancies. We now confirm that PIM2 is overexpressed in multiple myeloma (MM) patients, and within MM group it is overexpressed in the high-risk MF subset (activation of proto-oncogenes MAF/MAFB). This is consistent with our finding of PIM2's role in key signaling pathways (IL-6, CD28 activation) that confer chemotherapy resistance in MM cells...
December 23, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27999737/immunotherapies-targeting-cd38-in-multiple-myeloma
#11
REVIEW
Djordje Atanackovic, Mary Steinbach, Sabarinath Venniyil Radhakrishnan, Tim Luetkens
Recently, the monoclonal antibody daratumumab was approved as a single agent for the treatment of patients with relapsed/refractory Multiple Myeloma (MM). Daratumumab is an antibody targeting surface molecule CD38 on myeloma cells and the agent is already widely being used based on its good tolerability and proven efficacy. We believe, however, that the efficacy of this drug and other anti-CD38 monoclonal antibodies can be further improved by combining it with other types of immunotherapies. Furthermore, surface molecule CD38 can be used as a target for immunotherapies other than just naked monoclonal antibodies...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27998762/rocaglamide-breaks-trail-resistance-in-human-multiple-myeloma-and-acute-t-cell-leukemia-in%C3%A2-vivo-in-a-mouse-xenogtraft-model
#12
Yin Wu, Marco Giaisi, Rebecca Köhler, Wen-Ming Chen, Peter H Krammer, Min Li-Weber
Multiple myeloma (MM) is an incurable malignancy by the presently known therapies. TRAIL is a promising anticancer agent that virtually not shows any toxicity to normal cells. We have recently carried out clinical trials with a human circularly permuted TRAIL, CPT, against MM saw a partial response in approximate 20-30% of patients. In the current study, we investigated the cause of CPT resistance and revealed that the majority of the MM patients express elevated levels of c-FLIP. Knockdown of c-FLIP expression by siRNA alone was sufficient to increase CPT-mediated apoptosis in a CPT-resistant human MM cell line U266...
December 18, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27998645/thrombotic-microangiopathy-associated-with-monoclonal-gammopathy
#13
Aishwarya Ravindran, Ronald S Go, Fernando C Fervenza, Sanjeev Sethi
Thrombotic microangiopathy (TMA) is a rare disease comprising of a diverse set of disorders linked by a common histologic finding of endothelial injury. Monoclonal immunoglobulins may act as a potential trigger in the pathogenesis of TMA. To determine the prevalence of monoclonal gammopathy and clinicopathological features of TMA associated with monoclonal immunoglobulin, we performed a retrospective study in adults (18 and older) with a clinical diagnosis of TMA. Of 146 patients with TMA, we detected monoclonal immunoglobulin in 20 patients (13...
December 17, 2016: Kidney International
https://www.readbyqxmd.com/read/27992381/low-dose-bortezomib-increases-the-expression-of-nkg2d-and-dnam-1-ligands-and-enhances-induced-nk-and-%C3%AE-%C3%AE-t-cell-mediated-lysis-in-multiple-myeloma
#14
Chao Niu, Haofan Jin, Min Li, Shan Zhu, Lei Zhou, Feng Jin, Yulai Zhou, Dongsheng Xu, Jianting Xu, Lianjing Zhao, Shanshan Hao, Wei Li, Jiuwei Cui
Multiple myeloma (MM) is an incurable hematological malignancy, although bortezomib has markedly improved its outcomes. Growing clinical evidence indicates that enhancing induced natural killer (NK) or γδ T cells for infusion is useful in the treatment of MM. However, whether combination treatment with bortezomib and induced NK and γδ T cells further improves outcomes in MM, and how the treatments should be combined, remain unclear. Herein, we found that low-dose bortezomib did not suppress the viability of induced NK and γδ T cells, but did induce MM cell apoptosis...
December 16, 2016: Oncotarget
https://www.readbyqxmd.com/read/27983725/a-gene-expression-inflammatory-signature-specifically-predicts-multiple-myeloma-evolution-and-patients-survival
#15
C Botta, M T Di Martino, D Ciliberto, M Cucè, P Correale, M Rossi, P Tagliaferri, P Tassone
Multiple myeloma (MM) is closely dependent on cross-talk between malignant plasma cells and cellular components of the inflammatory/immunosuppressive bone marrow milieu, which promotes disease progression, drug resistance, neo-angiogenesis, bone destruction and immune-impairment. We investigated the relevance of inflammatory genes in predicting disease evolution and patient survival. A bioinformatics study by Ingenuity Pathway Analysis on gene expression profiling dataset of monoclonal gammopathy of undetermined significance, smoldering and symptomatic-MM, identified inflammatory and cytokine/chemokine pathways as the most progressively affected during disease evolution...
December 16, 2016: Blood Cancer Journal
https://www.readbyqxmd.com/read/27983660/investigating-effects-of-proteasome-inhibitor-on-multiple-myeloma-cells-using-confocal-raman-microscopy
#16
Jeon Woong Kang, Surya P Singh, Freddy T Nguyen, Niyom Lue, Yongjin Sung, Peter T C So, Ramachandra R Dasari
Due to its label-free and non-destructive nature, applications of Raman spectroscopic imaging in monitoring therapeutic responses at the cellular level are growing. We have recently developed a high-speed confocal Raman microscopy system to image living biological specimens with high spatial resolution and sensitivity. In the present study, we have applied this system to monitor the effects of Bortezomib, a proteasome inhibitor drug, on multiple myeloma cells. Cluster imaging followed by spectral profiling suggest major differences in the nuclear and cytoplasmic contents of cells due to drug treatment that can be monitored with Raman spectroscopy...
December 14, 2016: Sensors
https://www.readbyqxmd.com/read/27972476/healthcare-costs-among-multiple-myeloma-mm-patients-pts-without-stem-cell-transplant-sct
#17
S Panjabi, M Hagiwara, A Sharma, T E Delea
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27956901/spontaneous-tumour-lysis-syndrome-in-a-multiple-myeloma
#18
Can Huzmeli, Eylem Eliacik, Mustafa Saglam, Baris Doner, Ferhan Candan
The tumor lysis syndrome (TLS) is a collection of metabolic abnormalities that occur in consequence of the release of intracellular contents following lysis of tumor cells. TLS occurs spontaneously or after chemotherapy. Spontaneous TLS is uncommon occurrence in multiple myeloma (MM). We define a case of a 70-year-old woman patient who was found to have MM with spontaneous TLS, following a compression fracture of the T-12 vertebrae. While serum uric acid and phosphorous levels were high, low calcium levels were identified...
2016: Case Reports in Medicine
https://www.readbyqxmd.com/read/27941287/adoptive-immunotherapy-utilizing-anti-cd19-chimeric-antigen-receptor-t-cells-for-b-cell-malignancies
#19
Iekuni Oh, Yukiko Oh, Ken Ohmine
Genetically modified T-cells with forced expression of anti-CD19 chimeric antigen receptor (CD19 CAR) have demonstrated promising clinical results for relapsed and refractory B cell malignancies in early clinical trial settings. The first beneficial tumor regressions were identified among approximately half of CLL patients in 2011. Similarly, CD19 CAR T-cells achieved remissions in about 80% of aggressive B-cell lymphomas in 2012. Furthermore, in 2013 this cellular therapy showed an extremely high rate of efficacy against refractory CD19 positive acute lymphoid leukemia, which had been regarded as the most difficult to treat hematologic disease...
2016: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/27941285/basics-of-cancer-immunotherapy
#20
Yuki Fujioka, Hiroyoshi Nishikawa
The immune system is the body's defense against infectious organisms and other invaders including cancer cells. Cancer immunotherapy, which employs our own immune systems to attack cancer cells, is now emerging as a promising modality of cancer treatment based upon the clinical successes of immune checkpoint blockade and adoptive T cell transfer. In hematologic malignancies, clinical application of anti-PD-1 mAb and CAR (chimeric antigen receptor) T therapy is now being extensively tested in Hodgkin's disease, multiple myeloma, and CD19(+) acute lymphocytic leukemia...
2016: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
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