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https://www.readbyqxmd.com/read/27903375/-in-vivo-and-in-vitro-effects-of-cd137-stimulation-on-vascular-calcification-in-high-fat-diet-fed-apoe-mice
#1
Y Chen, J C Yan, J Y Weng, Z Q Wang, C P Wang, C Shao
Objective: To investigate the effect and related mechanism of CD137 stimulation on aortic atherosclerotic plaque calcification in high fat diet fed ApoE(-/-) mice and on calcification of vascular smooth muscle cells (VSMCs). Methods: (1) ApoE(-/-) mice fed with high fat diet were randomly divided into 3 groups: CD137 activated group (treated by 200 μg CD137 agonist i. p. once per week for 6 weeks, n=5); CD137 inhibited group (anti-CD137 group: 200 μg anti-CD137 antibody + 200 μg CD137 agonist, i. p., once per week for 6 weeks, n=5) and control group (n=5)...
October 24, 2016: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/27888029/drug-specific-upregulation-of-cd137-on-cd8-t-cells-aids-in-the-diagnosis-of-multiple-antibiotic-toxic-epidermal-necrolysis
#2
Jason A Trubiano, Alec Redwood, Kaija Strautins, Rebecca Pavlos, Emily Woolnough, Christina C Chang, Elizabeth Phillips
No abstract text is available yet for this article.
November 22, 2016: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/27887866/continuously-expanding-car-nk-92-cells-display-selective-cytotoxicity-against-b-cell-leukemia-and-lymphoma
#3
Sarah Oelsner, Miriam E Friede, Congcong Zhang, Juliane Wagner, Susanne Badura, Peter Bader, Evelyn Ullrich, Oliver G Ottmann, Hans Klingemann, Torsten Tonn, Winfried S Wels
BACKGROUND AIMS: Natural killer (NK) cells can rapidly respond to transformed and stressed cells and represent an important effector cell type for adoptive immunotherapy. In addition to donor-derived primary NK cells, continuously expanding cytotoxic cell lines such as NK-92 are being developed for clinical applications. METHODS: To enhance their therapeutic utility for the treatment of B-cell malignancies, we engineered NK-92 cells by lentiviral gene transfer to express chimeric antigen receptors (CARs) that target CD19 and contain human CD3ζ (CAR 63...
November 22, 2016: Cytotherapy
https://www.readbyqxmd.com/read/27855539/mouse-p2y4-nucleotide-receptor-is-a-negative-regulator-of-cardiac-adipose-derived-stem-cell-differentiation-and-cardiac-fat-formation
#4
Anne Lemaire, Marion Vanorlé, Michael Horckmans, Larissa di Pietrantonio, Sophie Clouet, Bernard Robaye, Jean-Marie Boeynaems, Didier Communi
Cardiac adipose-derived stem cells (cASCs) have the ability to differentiate into multiple cell lineages giving them a high potential for use in regenerative medicine. Cardiac fat tissue still raises many unsolved questions related to its formation and features. P2Y nucleotide receptors have already been described as regulators of differentiation of bone-marrow derived stem cells but remain poorly investigated in cASCs. We defined here the P2Y4 nucleotide receptor as a negative regulator of cardiac fat formation and cASC differentiation...
November 17, 2016: Stem Cells and Development
https://www.readbyqxmd.com/read/27846884/future-perspectives-in-melanoma-research-meeting-report-from-the-melanoma-bridge-napoli-december-1st-4th-2015
#5
Paolo A Ascierto, Sanjiv Agarwala, Gerardo Botti, Alessandra Cesano, Gennaro Ciliberto, Michael A Davies, Sandra Demaria, Reinhard Dummer, Alexander M Eggermont, Soldano Ferrone, Yang Xin Fu, Thomas F Gajewski, Claus Garbe, Veronica Huber, Samir Khleif, Michael Krauthammer, Roger S Lo, Giuseppe Masucci, Giuseppe Palmieri, Michael Postow, Igor Puzanov, Ann Silk, Stefani Spranger, David F Stroncek, Ahmad Tarhini, Janis M Taube, Alessandro Testori, Ena Wang, Jennifer A Wargo, Cassian Yee, Hassane Zarour, Laurence Zitvogel, Bernard A Fox, Nicola Mozzillo, Francesco M Marincola, Magdalena Thurin
The sixth "Melanoma Bridge Meeting" took place in Naples, Italy, December 1st-4th, 2015. The four sessions at this meeting were focused on: (1) molecular and immune advances; (2) combination therapies; (3) news in immunotherapy; and 4) tumor microenvironment and biomarkers. Recent advances in tumor biology and immunology has led to the development of new targeted and immunotherapeutic agents that prolong progression-free survival (PFS) and overall survival (OS) of cancer patients. Immunotherapies in particular have emerged as highly successful approaches to treat patients with cancer including melanoma, non-small cell lung cancer (NSCLC), renal cell carcinoma (RCC), bladder cancer, and Hodgkin's disease...
November 15, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27831501/characterizing-cd137-upregulation-on-nk-cells-in-patients-receiving-monoclonal-antibody-therapy
#6
A Makkouk, V Sundaram, C Chester, S Chang, A D Colevas, J B Sunwoo, H Maecker, M Desai, H E Kohrt
BACKGROUND: In the era of personalized cancer medicine, identifying techniques for effectively matching patients to efficacious treatments is a critical step in the treatment process. The advent of anti-cancer immunotherapies necessitates novel approaches to biomarker identification beyond traditional genomic profiling. One promising approach is incorporation of nomograms into treatment decisions. Nomograms are prediction tools, based on statistical modeling, designed to predict treatment outcomes...
November 9, 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/27827318/isolation-of-t-cell-receptors-specifically-reactive-with-mutated-tumor-associated-antigens-from-tumor-infiltrating-lymphocytes-based-on-cd137-expression
#7
Maria R Parkhurst, Alena Gros, Anna Pasetto, Todd D Prickett, Jessica S Crystal, Paul F Robbins, Steven A Rosenberg
PURPOSE: The adoptive transfer of lymphocytes genetically modified to express tumor reactive T cell receptors (TCRs) can mediate tumor regression. Some tumor infiltrating lymphocytes (TIL) recognize somatic mutations expressed only in the patient's tumors, and evidence suggests that clinically effective TIL target tumor specific neoantigens. Here we attempted to isolate neoantigen reactive TCRs as a prelude to the treatment of patients with autologous T cells genetically modified to express such TCRs...
November 8, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27826331/the-roles-of-cd137-signaling-in-atherosclerosis
#8
REVIEW
In-Hyuk Jung, Goo Taeg Oh
The tumor necrosis factor receptor superfamily (TNFRSF), which includes CD40, LIGHT, and OX40, plays important roles in the initiation and progression of cardiovascular diseases, involving atherosclerosis. CD137, a member of TNFRSF, is a well-known activation-induced T cell co-stimulatory molecule and has been reported to be expressed in human atherosclerotic plaque lesions, and plays pivotal roles in mediating disease processes. In this review, we focus on and summarize recent advances in mouse studies on the involvement of CD137 signaling in the pathogenesis and plaque stability of atherosclerosis, thereby highlighting a valuable therapeutic target in atherosclerosis...
November 2016: Korean Circulation Journal
https://www.readbyqxmd.com/read/27760761/mva-vaccine-encoding-cmv-antigens-safely-induces-durable-expansion-of-cmv-specific-t-cells-in-healthy-adults
#9
Corinna La Rosa, Jeff Longmate, Joy Martinez, Qiao Zhou, Teodora I Kaltcheva, Weimin Tsai, Jennifer Drake, Mary Carroll, Felix Wussow, Flavia Chiuppesi, Nicola Hardwick, Sanjeet Dadwal, Ibrahim Aldoss, Ryotaro Nakamura, John A Zaia, Don J Diamond
Attenuated poxvirus Modified vaccinia Ankara (MVA) is a useful viral-based vaccine for clinical investigation, because of its excellent safety profile and property of inducing potent immune responses against recombinant (r) antigens. We developed Triplex by constructing an rMVA encoding three immunodominant CMV antigens which stimulates a host anti-viral response: UL83 (pp65), UL123 (IE1-exon4), and UL122 (IE2-exon5). We completed the first clinical evaluation of the Triplex vaccine in 24 healthy adults, with or without immunity to CMV and vaccinia virus (previous DryVax smallpox vaccination)...
October 19, 2016: Blood
https://www.readbyqxmd.com/read/27756788/results-from-an-integrated-safety-analysis-of-urelumab-an-agonist-anti-cd137-monoclonal-antibody
#10
Neil H Segal, Theodore F Logan, F Stephen Hodi, David F McDermott, Ignacio Melero, Omid Hamid, Henrik Schmidt, Caroline Robert, Vanna Chiarion-Sileni, Paolo A Ascierto, Michele Maio, Walter J Urba, Tara C Gangadhar, Satyendra Suryawanshi, Jaclyn Neely, Maria Jure-Kunkel, Suba Krishnan, Holbrook E Kohrt, Mario Sznol, Ronald Levy
PURPOSE: Urelumab is an agonist antibody to CD137 with potential application as an immuno-oncology therapeutic. Data were analyzed to assess safety, tolerability, and pharmacodynamic activity of urelumab, including the dose selected for ongoing development in patients with advanced solid tumors and lymphoma. PATIENTS AND METHODS: Three hundred and forty-six patients with advanced cancers who had progressed after standard treatment received at least one dose of urelumab in one of three dose-escalation, monotherapy studies...
October 18, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27697858/il-2-variant-circumvents-icos-regulatory-t-cell-expansion-and-promotes-nk-cell-activation
#11
Geok Choo Sim, Chengwen Liu, Ena Wang, Hui Liu, Caitlin Creasy, Zhimin Dai, Willem W Overwijk, Jason Roszik, Francesco M Marincola, Patrick Hwu, Elizabeth A Grimm, Laszlo G Radvanyi
Clinical responses to high-dose IL-2 therapy are limited due to selective expansion of CD4+CD25+oxp3+ T-regulatory cells (Tregs) especially ICOS+Tregs, rather than NK cells and effector T cells. These ICOS+Tregs are highly suppressive and constitutively express high levels of IL-2Ralpha (CD25) and CD39. Here, we characterized the effect of a mutant form of IL-2 (F42K), which preferentially binds to the lower affinity IL-2Rbetagamma with reduced binding to CD25, on Tregs, effector NK cells, and T-cell subsets...
October 3, 2016: Cancer Immunology Research
https://www.readbyqxmd.com/read/27637001/eicosapentaenoic-acid-promotes-mitochondrial-biogenesis-and-beige-like-features-in-subcutaneous-adipocytes-from-overweight-subjects
#12
L M Laiglesia, S Lorente-Cebrián, P L Prieto-Hontoria, M Fernández-Galilea, S M R Ribeiro, N Sáinz, J A Martínez, M J Moreno-Aliaga
Eicosapentaenoic acid (EPA), a n-3 long-chain polyunsaturated fatty acid, has been reported to have beneficial effects in obesity-associated metabolic disorders. The objective of the present study was to determine the effects of EPA on the regulation of genes involved in lipid metabolism, and the ability of EPA to induce mitochondrial biogenesis and beiging in subcutaneous adipocytes from overweight subjects. Fully differentiated human subcutaneous adipocytes from overweight females (BMI: 28.1-29.8kg/m(2)) were treated with EPA (100-200 μM) for 24 h...
August 26, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27629249/rituximab-induces-phenotypical-and-functional-changes-of-nk-cells-in-a-non-malignant-experimental-setting
#13
Wolfgang Merkt, Hanns-Martin Lorenz, Carsten Watzl
BACKGROUND: Rituximab has broad and increasing application in rheumatic diseases. It is known from lymphoma studies that natural killer (NK) cells can lyse rituximab-coated transformed B cells. However, the role of NK cells in mediating rituximab-induced depletion of non-malignant B cells is unknown. The purpose of this study was to provide fundamental data on rituximab-mediated effects on NK cells in PBMCs without tumor cells, in order to simulate effects that could be relevant in patients with rheumatic disease...
2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27622048/anti-cd137-enhances-anti-cd20-therapy-of-systemic-b-cell-lymphoma-with-altered-immune-homeostasis-but-negligible-toxicity
#14
Fernando Souza-Fonseca-Guimaraes, Stephen J Blake, Amani Makkouk, Cariad Chester, Holbrook E Kohrt, Mark J Smyth
Studies of sequential anti-CD137/anti-CD20 therapy have previously shown that the efficacy of anti-CD20 was heavily reliant upon anti-CD137; however, the exact mechanism of the anti-B-cell lymphoma efficacy, and whether this correlates with enhanced adverse effects or toxicity, had not been elucidated. Here, we observed that sequential anti-CD137 administration with anti-CD20 resulted in a synergistic therapy, largely dependent upon Fc receptors (FcR), to prolong survival in an experimental B-cell lymphoma therapy model...
July 2016: Oncoimmunology
https://www.readbyqxmd.com/read/27622011/combined-treatment-with-dabrafenib-and-trametinib-with-immune-stimulating-antibodies-for-braf-mutant-melanoma
#15
Blanca Homet Moreno, Stephen Mok, Begonya Comin-Anduix, Siwen Hu-Lieskovan, Antoni Ribas
The combination of targeted therapy with BRAF and MEK inhibitors has become the standard of care in patients with BRAF (V600E) mutant melanoma, but responses are not durable. In addition, the impressive clinical benefits with anti-PD-1 and anti-PD-L1 antibodies (Ab) in patients with heavily pretreated metastatic melanoma and the synergistic effect of dabrafenib, trametinib and anti-PD-1 compared with single therapy alone groups support the idea that combining dabrafenib, trametinib and immunotherapy based on PD-1 blockade could be an interesting approach in the treatment of metastatic melanoma...
July 2016: Oncoimmunology
https://www.readbyqxmd.com/read/27609109/immunomodulatory-effect-of-captopril-and-local-irradiation-on-myeloid-derived-suppressor-cells
#16
Won Kyung Cho, Sung-Won Shin, Shin-Yeong Kim, Chang-Won Hong, Changhoon Choi, Won Park, Jae Myoung Noh
PURPOSE: This study is to investigate the effect of captopril when combined with irradiation. MATERIALS AND METHODS: 4T1 (mouse mammary carcinoma) cells were injected in the right hind leg of Balb/c mice. Mice were randomized to four groups; control (group 1), captopril-treated (group 2), irradiated (group 3), irradiated and captopril-treated concurrently (group 4). Captopril was administered by intraperitoneal injection (10 mg/kg) daily and irradiation was delivered on the tumor-bearing leg for 15 Gy in 3 fractions...
September 2016: Radiation Oncology Journal
https://www.readbyqxmd.com/read/27577850/brown-like-adipose-progenitors-derived-from-human-induced-pluripotent-stem-cells-identification-of-critical-pathways-governing-their-adipogenic-capacity
#17
Anne-Laure Hafner, Julian Contet, Christophe Ravaud, Xi Yao, Phi Villageois, Kran Suknuntha, Karima Annab, Pascal Peraldi, Bernard Binetruy, Igor I Slukvin, Annie Ladoux, Christian Dani
Human induced pluripotent stem cells (hiPSCs) show great promise for obesity treatment as they represent an unlimited source of brown/brite adipose progenitors (BAPs). However, hiPSC-BAPs display a low adipogenic capacity compared to adult-BAPs when maintained in a traditional adipogenic cocktail. The reasons of this feature are unknown and hamper their use both in cell-based therapy and basic research. Here we show that treatment with TGFβ pathway inhibitor SB431542 together with ascorbic acid and EGF were required to promote hiPSCs-BAP differentiation at a level similar to adult-BAP differentiation...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27577071/expression-of-immune-checkpoints-in-t-cells-of-esophageal-cancer-patients
#18
Xie Jinhua, Wang Ji, Cheng Shouliang, Zheng Liangfeng, Ji Feiyue, Yang Lin, Zhang Yan, Ji Haoming
Inhibition of immune checkpoint proteins (checkpoints) has become a promising anti-esophageal cancer strategy. We here tested expressions of immune checkpoints in human esophageal cancers. Our results showed the expressions of many immune checkpoints, including CD28, CD27, CD137L, programmed death 1 (PD-1), T cell immunoglobulin mucin-3 (TIM-3), T cell Ig and ITIM domain (TIGIT), CD160, cytotoxic T lymphocyte antigen 4 (CTLA-4), CD200, CD137 and CD158, were dysregulated in peripheral T cells of esophageal cancer patients...
August 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27554340/blockage-of-galectin-receptor-interactions-by-%C3%AE-lactose-exacerbates-plasmodium-berghei-induced-pulmonary-immunopathology
#19
Jinfeng Liu, Shiguang Huang, Xin-Zhuan Su, Jianping Song, Fangli Lu
Malaria-associated acute lung injury (ALI) is a frequent complication of severe malaria that is often caused by "excessive" immune responses. To better understand the mechanism of ALI in malaria infection, here we investigated the roles of galectin (Gal)-1, 3, 8, 9 and the receptors of Gal-9 (Tim-3, CD44, CD137, and PDI) in malaria-induced ALI. We injected alpha (α)-lactose into mice-infected with Plasmodium berghei ANKA (PbANKA) to block galectins and found significantly elevated total proteins in bronchoalveolar lavage fluid, higher parasitemia and tissue parasite burden, and increased numbers of CD68(+) alveolar macrophages as well as apoptotic cells in the lungs after blockage...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27550452/abscopal-effects-of-radiotherapy-are-enhanced-by-combined-immunostimulatory-mabs-and-are-dependent-on-cd8-t-cells-and-crosspriming
#20
María E Rodriguez-Ruiz, Inmaculada Rodriguez, Saray Garasa, Benigno Barbes, Jose Luis Solorzano, Jose Luis Perez-Gracia, Sara Labiano, Miguel F Sanmamed, Arantza Azpilikueta, Elixabet Bolaños, Alfonso R Sanchez-Paulete, M Angela Aznar, Ana Rouzaut, Kurt A Schalper, Maria Jure-Kunkel, Ignacio Melero
Preclinical and clinical evidence indicate that the proimmune effects of radiotherapy can be synergistically augmented with immunostimulatory mAbs to act both on irradiated tumor lesions and on distant, nonirradiated tumor sites. The combination of radiotherapy with immunostimulatory anti-PD1 and anti-CD137 mAbs was conducive to favorable effects on distant nonirradiated tumor lesions as observed in transplanted MC38 (colorectal cancer), B16OVA (melanoma), and 4T1 (breast cancer) models. The therapeutic activity was crucially performed by CD8 T cells, as found in selective depletion experiments...
October 15, 2016: Cancer Research
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