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https://www.readbyqxmd.com/read/28433689/type-3-innate-lymphoid-cells-induce-proliferation-of-cd94-nk-cells
#1
Shuo Li, Hideaki Morita, Beate Rückert, Tadech Boonpiyathad, Avidan Neumann, Cezmi Akdis
No abstract text is available yet for this article.
April 19, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28433460/stimulatory-effect-of-desipramine-on-lung-metastases-of-adenocarcinoma-madb-106-in-stress-highly-sensitive-and-stress-non-reactive-rats
#2
Beata Grygier, Marta Kubera, Danuta Wrona, Adam Roman, Agnieszka Basta-Kaim, Piotr Gruca, Mariusz Papp, Zofia Rogoz, Monika Leskiewicz, Boguslawa Budziszewska, Magdalena Regulska, Barbara Korzeniak, Katarzyna Curzytek, Katarzyna Glombik, Joanna Slusarczyk, Michael Maes, Wladyslaw Lason
The effect of antidepressant drugs on tumor progress is very poorly recognized. The aim of the present study was to examine the effect of individual reactivity to stress and 24-day desipramine (DES) administration on the metastatic colonization of adenocarcinoma MADB 106 cells in the lungs of Wistar rats. Wistar rats were subjected to stress procedure according to the chronic mild stress (CMS) model of depression for two weeks and stress highly-sensitive (SHS) and stress non-reactive (SNR) rats were selected...
April 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28432704/human-galectin-9-on-the-porcine-cells-affects-the-cytotoxic-activity-of-m1-differentiated-thp-1-cells-through-inducing-a-shift-in-m2-differentiated-thp-1-cells
#3
Sung Han Jung, Jeong Ho Hwang, Sang Eun Kim, Young Kyu Kim, Hyo Chang Park, Hoon Taek Lee
BACKGROUND: In xenotransplantation, immune rejection by macrophages occurs rapidly and remains a major obstacle. Studies to control immune rejection in macrophages have been continuing to date. Recent studies have reported that human galectin-9 (hGal-9) can regulate the function of regulatory T cells (Treg), as well as cytotoxicity T cells (CTL) and natural killer cells (NK). Although the effect of hGal-9 on lymphocytes has been well studied, the relationship between hGal-9 and myeloid cells has been scarcely studied...
April 21, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28431262/immunologic-approaches-for-the-treatment-of-multiple-myeloma
#4
REVIEW
Leo Rasche, Niels Weinhold, Gareth J Morgan, Frits van Rhee, Faith E Davies
The FDA approval of two monoclonal antibodies in 2015has heralded a new era of targeted immunotherapies for multiple myeloma (MM). In this review we discuss the recent approaches using different immunological components to treat MM. In particular, we review current monoclonal antibody based therapies, engineered T- and NK cell products, 'off-target' immunomodulation, and strategies utilizing allogeneic cell transplantation in MM. We discuss how an immunologic approach offers promise for the treatment of this genetically heterogeneous disease, and how patients with acquired drug resistance may particularly benefit from these therapies...
April 6, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28431214/interferon-%C3%AE-released-by-activated-cd8-t-lymphocytes-impairs-the-calcium-resorption-potential-of-osteoclasts-in-calcified-human-aortic-valves
#5
Edit Nagy, Yang Lei, Eduardo Martínez-Martínez, Simon C Body, Florian Schlotter, Michael Creager, Alexander Assmann, Kamal Khabbaz, Peter Libby, Göran K Hansson, Elena Aikawa
Calcium content in patients with calcific aortic valve disease (CAVD) correlates with the severity of stenosis. In CAVD, activated T lymphocytes localize with osteoclast regions; however, the functional consequences of this association remain unknown. We hypothesized that CD8(+) T cells modulate calcification in CAVD. Explanted CAVD valves (n = 52) dissected into noncalcified and calcified portions were subjected to mRNA extraction, real-time quantitative PCR, enzyme-linked immunosorbent assay, and immunohistochemical analyses...
April 18, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28431200/the-utility-of-flow-cytometry-in-differentiating-nk-t-cell-lymphoma-from-indolent-and-reactive-nk-cell-proliferations
#6
Sanjay de Mel, Jenny Bei Li, Muhammad Bilal Abid, Tiffany P L Tang, Hui Ming Tay, Wen Chang Ting, Li Mei Poon, Tae Hoon Chung, Benjamin Mow, Allison Tso, Kiat Hoe Ong, Wee Joo Chng, Te Chih Liu
BACKGROUND: The WHO defines 3 categories of NK cell malignancies; extra nodal NK/T cell lymphoma (NKTCL), aggressive NK cell leukaemia, and the provisional entity chronic lymphoproliferative disorder of NK cells (CLPD-NK). Although the flow cytometric (FC) phenotype of CLPD-NK has been described, studies on FC phenotype of NKTCL are limited. To the best of our knowledge ours is the first study to compare the phenotype of NKTCL, CLPD-NK, reactive NK lymphocytosis (RNKL), and normal NK cells using eight colour (8C) FC...
April 21, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28431111/correction-of-abnormal-b-cell-subset-distribution-by-interleukin-6-receptor-blockade-in-polymyalgia-rheumatica
#7
Guillermo Carvajal Alegria, Valérie Devauchelle-Pensec, Yves Renaudineau, Alain Saraux, Jacques-Olivier Pers, Divi Cornec
Objectives.: The aim was to study lymphocyte subsets and circulating cytokines at diagnosis of PMR and after tocilizumab monotherapy. Methods.: Eighteen untreated patients with PMR were included in a prospective study and received 3-monthly tocilizumab infusions without glucocorticoids. Lymphocyte subset distribution was assessed by flow cytometry and serum cytokines were assayed by a 34-cytokine array and ELISA, at baseline and during follow-up. Baseline data were also compared with age- and sex-matched controls...
April 20, 2017: Rheumatology
https://www.readbyqxmd.com/read/28429258/hormonal-regulation-of-nk-cell-cytotoxic-activity
#8
S V Shirshev, I V Nekrasova, O L Gorbunova, E G Orlova
The effects of chorionic gonadotropin, estriol (E3), leptin, ghrelin, and kisspeptin on the intracellular expression of perforin, granzyme A, and granzyme B was studied in separated NK cells. All studied hormones except E3 are could modulate the expression of cytotoxic enzymes in NK cells by suppression of the expression of the most active proapoptotic agents, resulting in increased expression of granzyme A, which is typical of the decidual subpopulation of these lymphocytes.
January 2017: Doklady Biological Sciences: Proceedings of the Academy of Sciences of the USSR, Biological Sciences Sections
https://www.readbyqxmd.com/read/28428965/natural-killer-cells-in-the-orchestration-of-chronic-inflammatory-diseases
#9
REVIEW
Luca Parisi, Barbara Bassani, Marco Tremolati, Elisabetta Gini, Giampietro Farronato, Antonino Bruno
Inflammation, altered immune cell phenotype, and functions are key features shared by diverse chronic diseases, including cardiovascular, neurodegenerative diseases, diabetes, metabolic syndrome, and cancer. Natural killer cells are innate lymphoid cells primarily involved in the immune system response to non-self-components but their plasticity is largely influenced by the pathological microenvironment. Altered NK phenotype and function have been reported in several pathological conditions, basically related to impaired or enhanced toxicity...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28428885/the-why-what-and-how-of-the-new-fact-standards-for-immune-effector-cells
#10
EDITORIAL
Marcela V Maus, Sarah Nikiforow
Novel cellular therapies outside of traditional hematopoietic stem cell transplantation or hematopoietic progenitor cell (HPC) therapy are currently under evaluation in clinical trials across the United States and around the world. Several cellular products, e.g., CD19-directed Chimeric Antigen Receptor (CAR) T cells, are poised for FDA approval and thus increased use at a wider range of academic centers within the next year, with the likelihood of dissemination to standard oncology practice once safety is confirmed...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28428785/interferon-gamma-induces-changes-in-natural-killer-nk-cell-ligand-expression-and-alters-nk-cell-mediated-lysis-of-pediatric-cancer-cell-lines
#11
Arianexys Aquino-López, Vladimir V Senyukov, Zlatko Vlasic, Eugenie S Kleinerman, Dean A Lee
Natural killer (NK) cells have therapeutic potential for cancer due to their capacity for targeting tumor cells without prior sensitization. Our laboratory has developed an NK cell expansion protocol that generates large quantities of NK cells for therapeutic infusion that secret 20 times the amount of interferon gamma (IFNγ) than resting NK cells. IFNγ can upregulate major histocompatibility complex (MHC)-class I, an inhibitory ligand for NK cells, but can also upregulate intercellular adhesion molecule 1 (ICAM-1) which promotes NK:target cell interaction for an efficient lysis...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28428057/natural-killer-cells-differentiated-in-vitro-from-cord-blood-cd34-cells-are-more-advantageous-for-use-as-an-immunotherapy-than-peripheral-blood-and-cord-blood-natural-killer-cells
#12
Anna Domogala, Michael Blundell, Adrian Thrasher, Mark W Lowdell, J Alejandro Madrigal, Aurore Saudemont
BACKGROUND AIMS: Natural killer (NK) cells have the potential to become a successful immunotherapy as they can target malignant cells without being direct effectors of graft-versus-host disease. Our group has previously shown that large numbers of functional NK cells can be differentiated in vitro from umbilical cord blood (CB) CD34(+) cells. To produce a clinically relevant and effective immunotherapy, we hypothesized that it is essential that the NK cells are able to proliferate and persist in vivo while maintaining an optimal activation status and killing capacity...
April 17, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28427548/autosomal-dominant-gain-of-function-stat1-mutation-and-severe-bronchiectasis
#13
Oded Breuer, Hagit Daum, Malena Cohen-Cymberknoh, Susanne Unger, David Shoseyov, Polina Stepensky, Baerbel Keller, Klaus Warnatz, Eitan Kerem
BACKGROUND: In a substantial number of patients with non-cystic fibrosis (CF) bronchiectasis an etiology cannot be found. Various complex immunodeficiency syndromes account for a significant portion of these patients but the mechanism elucidating the predisposition for suppurative lung disease often remains unknown. OBJECTIVE: To investigate the cause and mechanism predisposing a patient to severe bronchiectasis. METHODS: A patient presenting with severe non-CF bronchiectasis was investigated...
May 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28427157/the-anti-tumor-efficacy-of-3c23k-a-glyco-engineered-humanized-anti-misrii-antibody-in-an-ovarian-cancer-model-is-mainly-mediated-by-engagement-of-immune-effector-cells
#14
Pauline Estupina, Alexandre Fontayne, Jean-Marc Barret, Nathalie Kersual, Olivier Dubreuil, Marion Le Blay, Alexandre Pichard, Marta Jarlier, Martine Pugnière, Maëva Chauvin, Thierry Chardès, Jean-Pierre Pouget, Emmanuel Deshayes, Alexis Rossignol, Toufik Abache, Christophe de Romeuf, Aurélie Terrier, Lucie Verhaeghe, Christine Gaucher, Jean-François Prost, André Pèlegrin, Isabelle Navarro-Teulon
Ovarian cancer is the leading cause of death in women with gynecological cancers and despite recent advances, new and more efficient therapies are crucially needed. Müllerian Inhibiting Substance type II Receptor (MISRII, also named AMHRII) is expressed in most ovarian cancer subtypes and is a novel potential target for ovarian cancer immunotherapy. We previously developed and tested 12G4, the first murine monoclonal antibody (MAb) against human MISRII. Here, we report the humanization, affinity maturation and glyco-engineering steps of 12G4 to generate the Fc-optimized 3C23K MAb, and the evaluation of its in vivo anti-tumor activity...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426690/phenotypic-characterization-and-anticancer-capacity-of-cd8-cytokine-induced-killer-cells-after-antigen-induced-expansion
#15
Jianhua Liu, Lu Wang, Yaoling Wang, Wenjie Zhang, Yilin Cao
Cytokine-induced killer cells (CIK) have been used in clinic for adoptive immunotherapy in a variety of malignant tumors and have improved the prognosis of cancer patients. However, there are individual differences in the CIK cell preparations including the obvious differences in the ratio of effector CIK cells among different cancer patients. Infusion of such heterogeneous immune cell preparation is an important factor that would affect the therapeutic efficacy. We report here the enrichment and expansion of CD8+ cells from CIK cells cultured for one week using magnetic activated cell sorting (MACS)...
2017: PloS One
https://www.readbyqxmd.com/read/28426135/tlr-stimulated-eosinophils-mediate-recruitment-and-activation-of-nk-cells-in-vivo
#16
Shaunagh M O'Flaherty, Kripitch Sutummaporn, Walina L Häggtoft, Amy P Worrall, Marzia Rizzo, Viorica Braniste, Petter Höglund, Nadir Kadri, Benedict J Chambers
Eosinophils like many myeloid innate immune cells can provide cytokines and chemokines for the activation of other immune cells upon TLR stimulation. When TLR stimulated eosinophils were inoculated i.p. into wildtype mice, NK cells were rapidly recruited and exhibited anti-tumor cytotoxicity. However when mice depleted of CD11c(+) cells were used, a marked decrease in the number of recruited NK cells was observed. We postulated that CpG or LPS from the injected eosinophils could be transferred to host cells, which in turn could recruit NK cells...
April 20, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28425436/corrigendum-mhc-dependent-inhibition-of-uterine-nk-cells-impedes-fetal-growth-and-decidual-vascular-remodeling
#17
Jens Kieckbusch, Louise M Gaynor, Ashley Moffett, Francesco Colucci
No abstract text is available yet for this article.
April 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28424697/regulation-of-the-functions-of-natural-cytotoxicity-receptors-by-interactions-with-diverse-ligands-and-alterations-in-splice-variant-expression
#18
REVIEW
Tatiana Pazina, Avishai Shemesh, Michael Brusilovsky, Angel Porgador, Kerry S Campbell
The natural cytotoxicity receptor (NCR) family is constituted by NKp46, NKp44, and NKp30 in humans, which are expressed mainly on natural killer (NK) cells and are encoded by the ncr1, ncr2, and ncr3 genes, respectively. NCRs have classically been defined as activating receptors that trigger cytotoxicity and cytokine responses by NK cells upon engaging with ligands on tumor cells. Several new findings, however, have challenged this model and identified alternative mechanisms regulating the function of NCRs...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28424684/modulation-of-human-leukocyte-antigen-c-by-human-cytomegalovirus-stimulates-kir2ds1-recognition-by-natural-killer-cells
#19
Kattria van der Ploeg, Chiwen Chang, Martin A Ivarsson, Ashley Moffett, Mark R Wills, John Trowsdale
The interaction of inhibitory killer cell Ig-like receptors (KIRs) with human leukocyte antigen (HLA) class I molecules has been characterized in detail. By contrast, activating members of the KIR family, although closely related to inhibitory KIRs, appear to interact weakly, if at all, with HLA class I. KIR2DS1 is the best studied activating KIR and it interacts with C2 group HLA-C (C2-HLA-C) in some assays, but not as strongly as KIR2DL1. We used a mouse 2B4 cell reporter system, which carries NFAT-green fluorescent protein with KIR2DS1 and a modified DAP12 adaptor protein...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28424683/novel-strategy-to-expand-super-charged-nk-cells-with-significant-potential-to-lyse-and-differentiate-cancer-stem-cells-differences-in-nk-expansion-and-function-between-healthy-and-cancer-patients
#20
Kawaljit Kaur, Jessica Cook, So-Hyun Park, Paytsar Topchyan, Anna Kozlowska, Nick Ohanian, Changge Fang, Ichiro Nishimura, Anahid Jewett
Natural killer (NK) cells are known to target cancer stem cells and undifferentiated tumors. In this paper, we provide a novel strategy for expanding large numbers of super-charged NK cells with significant potential to lyse and differentiate cancer stem cells and demonstrate the differences in the dynamics of NK cell expansion between healthy donors and cancer patients. Decline in cytotoxicity and lower interferon (IFN)-γ secretion by osteoclast (OC)-expanded NK cells from cancer patients correlates with faster expansion of residual contaminating T cells within purified NK cells, whereas healthy donors' OCs continue expanding super-charged NK cells while limiting T cell expansion for up to 60 days...
2017: Frontiers in Immunology
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