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Natural killer cell immunotherapy

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https://www.readbyqxmd.com/read/28733263/consolidation-therapy-for-newly-diagnosed-pediatric-high-risk-neuroblastoma-patients-using-busulfan-melphalan-autologous-hematopoietic-cell-transplant-anti-gd2-antibody-gm-csf-il-2-and-haploidentical-nk-cells
#1
Aimee C Talleur, Brandon M Triplett, Sara Federico, Ewelina Mamcarz, William Janssen, Jianrong Wu, David Shook, Wing Leung, Wayne L Furman
The treatment of pediatric high-risk neuroblastoma is intensive and multimodal. Despite the introduction of immunotherapy for minimal residual disease, survival rates remain suboptimal and new therapies are needed. As part of a phase 2 trial, we are using a consolidation therapy regimen which combines a busulfan/melphalan conditioning schema, autologous hematopoietic cell transplant (AHCT), and experimental immunotherapy with hu14.18K322A (a humanized anti-GD2 monoclonal antibody), GM-CSF, and IL-2, with or without the adoptive transfer of haploidentical natural killer cells (NKs)...
July 18, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28729866/cytokine-induced-killer-cells-as-pharmacological-tools-for-cancer-immunotherapy
#2
REVIEW
Xingchun Gao, Yajing Mi, Na Guo, Hao Xu, Lixian Xu, Xingchun Gou, Weilin Jin
Cytokine-induced killer (CIK) cells are a heterogeneous population of effector CD3(+)CD56(+) natural killer T cells, which can be easily expanded in vitro from peripheral blood mononuclear cells. CIK cells work as pharmacological tools for cancer immunotherapy as they exhibit MHC-unrestricted, safe, and effective antitumor activity. Much effort has been made to improve CIK cells cytotoxicity and treatments of CIK cells combined with other antitumor therapies are applied. This review summarizes some strategies, including the combination of CIK with additional cytokines, dendritic cells, check point inhibitors, antibodies, chemotherapeutic agents, nanomedicines, and engineering CIK cells with a chimeric antigen receptor...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28725429/pretreatment-antigen-specific-immunity-and-regulation-association-with-subsequent-immune-response-to-anti-tumor-dna-vaccination
#3
Laura E Johnson, Brian M Olson, Douglas G McNeel
BACKGROUND: Immunotherapies have demonstrated clinical benefit for many types of cancers, however many patients do not respond, and treatment-related adverse effects can be severe. Hence many efforts are underway to identify treatment predictive biomarkers. We have reported the results of two phase I trials using a DNA vaccine encoding prostatic acid phosphatase (PAP) in patients with biochemically recurrent prostate cancer. In both trials, persistent PAP-specific Th1 immunity developed in some patients, and this was associated with favorable changes in serum PSA kinetics...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28725044/cord-blood-nk-cells-engineered-to-express-il-15-and-a-cd19-targeted-car-show-long-term-persistence-and-potent-anti-tumor-activity
#4
E Liu, Y Tong, G Dotti, H Shaim, B Savoldo, M Mukherjee, J Orange, X Wan, X Lu, A Reynolds, M Gagea, P Banerjee, R Cai, M H Bdaiwi, R Basar, M Muftuoglu, L Li, D Marin, W Wierda, M Keating, R Champlin, E Shpall, K Rezvani
Chimeric antigen receptors (CARs) have been used to redirect the specificity of autologous T-cells against leukemia and lymphoma with promising clinical results.(1-3) Extending this approach to allogeneic T-cells is problematic as they carry a significant risk of graft-versus-host disease (GVHD). Natural killer (NK) cells are highly cytotoxic effectors, killing their targets in a non-antigen specific manner without causing GVHD. Cord blood (CB) offers an attractive, allogeneic, off-the-self source of NK cells for immunotherapy...
July 20, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28717940/alopecia-areata-a-comprehensive-review-of-pathogenesis-and-management
#5
REVIEW
Ralph M Trüeb, Maria Fernanda Reis Gavazzoni Dias
Alopecia areata is a common hair loss condition that is characterized by acute onset of non-scarring hair loss in usually sharply defined areas ranging from small patches to extensive or less frequently diffuse involvement. Depending on its acuity and extent, hair loss is an important cause of anxiety and disability. The current understanding is that the condition represents an organ-specific autoimmune disease of the hair follicle with a genetic background. Genome-wide association studies provide evidence for the involvement of both innate and acquired immunity in the pathogenesis, and mechanistic studies in mouse models of alopecia areata have specifically implicated an IFN-γ-driven immune response, including IFNγ, IFNγ-induced chemokines and cytotoxic CD8 T cells as the main drivers of disease pathogenesis...
July 17, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28716080/pretreatment-antigen-specific-immunity-and-regulation-association-with-subsequent-immune-response-to-anti-tumor-dna-vaccination
#6
Laura E Johnson, Brian M Olson, Douglas G McNeel
BACKGROUND: Immunotherapies have demonstrated clinical benefit for many types of cancers, however many patients do not respond, and treatment-related adverse effects can be severe. Hence many efforts are underway to identify treatment predictive biomarkers. We have reported the results of two phase I trials using a DNA vaccine encoding prostatic acid phosphatase (PAP) in patients with biochemically recurrent prostate cancer. In both trials, persistent PAP-specific Th1 immunity developed in some patients, and this was associated with favorable changes in serum PSA kinetics...
July 18, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28713379/op9-feeder-cells-are-superior-to-m2-10b4-cells-for-the-generation-of-mature-and-functional-natural-killer-cells-from-umbilical-cord-hematopoietic-progenitors
#7
Lara Herrera, Juan Manuel Salcedo, Silvia Santos, Miguel Ángel Vesga, Francisco Borrego, Cristina Eguizabal
Adoptive natural killer (NK) cell therapy relies on the acquisition of large numbers of mature and functional NK cells. An option for future immunotherapy treatments is to use large amounts of NK cells derived and differentiated from umbilical cord blood (UCB) CD34(+) hematopoietic stem cells (HSCs), mainly because UCB is one of the most accessible HSC sources. In our study, we compared the potential of two stromal cell lines, OP9 and M2-10B4, for in vitro generation of mature and functional CD56(+) NK cells from UCB CD34(+) HSC...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28713023/an-extended-mathematical-model-of-tumor-growth-and-its-interaction-with-the-immune-system-to-be-used-for-developing-an-optimized-immunotherapy-treatment-protocol
#8
Milad Qomlaqi, Fariba Bahrami, Maryam Ajami, Jamshid Hajati
BACKGROUND: Chemotherapy is usually known as the main modality for cancer treatment. Nevertheless, most of chronic cancers could not be treated with chemotherapy alone. Immunotherapy is a new modality for cancer treatment that is effective for early stages of cancer and it has fewer side effects compared to chemotherapy, specifically for those types of cancer that are resistant to it. METHOD: This work presents an extended mathematical model to depict interactions between cancerous and adaptive immune system in mouse...
July 14, 2017: Mathematical Biosciences
https://www.readbyqxmd.com/read/28708284/cd20-specific-immunoligands-engaging-nkg2d-enhance-%C3%AE-%C3%AE-t-cell-mediated-lysis-of-lymphoma-cells
#9
Matthias Peipp, Daniela Wesch, Hans-Heinrich Oberg, Sebastian Lutz, Anja Muskulus, Jan G J van de Winkel, Paul W H I Parren, Renate Burger, Andreas Humpe, Dieter Kabelitz, Martin Gramatzki, Christian Kellner
Human γδ T cells are innate-like T cells which are able to kill a broad range of tumor cells and thus may have potential for cancer immunotherapy. The activating receptor natural killer group 2 member D (NKG2D) plays a key role in regulating immune responses driven by γδ T cells. Here, we explored whether recombinant immunoligands consisting of a CD20 single-chain fragment variable (scFv) linked to a NKG2D ligand, either MHC class I chain-related protein A (MICA) or UL16 binding protein 2 (ULBP2), could be employed to engage γδ T cells for tumor cell killing...
July 14, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28706421/gastric-cancer-derived-heat-shock-protein-gp96-peptide-complex-enhances-dendritic-cell-activation
#10
Wen-Wen Lu, Hong Zhang, You-Ming Li, Feng Ji
AIM: To investigate the role of heat shock protein (HSP)-glycoprotein (gp)96 in dendritic cells (DCs) and lymphocytes induction in gastric cancer (GC). METHODS: Human GC cell lines KATOIII, MKN-28 and SGC-7901 were infected with adenovirus gp96 at a multiplicity of infection of 100. gp96-GC antigen peptide complexes were purified. MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay, lactate dehydrogenase (LDH) release assay and enzyme-linked immunosorbent assay were used to determine allo-reactive T cell stimulation, natural killer (NK) cell activity and expression of cytokines (such as interleukin (IL)-10, IL-12, interferon (IFN)-γ and tumor necrosis factor (TNF)-α), respectively...
June 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28701393/hiv-1-env-and-vpu-specific-antibody-dependent-cellular-cytotoxicity-responses-associated-with-elite-control-of-hiv
#11
Vijaya Madhavi, Bruce D Wines, Janaki Amin, Sean Emery, Ester Lopez, Anthony Kelleher, Rob J Center, P Mark Hogarth, Amy W Chung, Stephen J Kent, Ivan Stratov
Studying HIV-infected individuals who control HIV replication (elite controllers, ECs) enable exploration of effective anti-HIV immunity. HIV Env- and non-Env-specific antibody-dependent cellular cytotoxicity (ADCC) may contribute to protection from progressive HIV infection but the evidence is limited. We recruited 22 ECs and matched them with 44 viremic subjects. HIV Env- and Vpu-specific ADCC responses were studied in sera using a novel ELISA-based dimeric recombinant soluble (rs) FcγRIIIa-binding assay, surface plasmon resonance, antibody-dependent natural killer (NK) cell activation assays and ADCC-mediated killing assays...
July 12, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28701224/the-150-most-important-questions-in-cancer-research-and-clinical-oncology-series-questions-40-49
#12
EDITORIAL
(no author information available yet)
Since the beginning of 2017, Chinese Journal of Cancer has published a series of important questions in cancer research and clinical oncology, which sparkle diverse thoughts, interesting communications, and potential collaborations among researchers all over the world. In this article, 10 more questions are presented as followed. Question 40. Why do mice being used as tumorigenesis models raised in different places or different conditions possess different tumor formation rate? Question 41. How could we generate more effective anti-metastasis drugs? Question 42...
July 13, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/28694168/characterizing-porcine-invariant-natural-killer-t-cells-a-comparative-study-with-nk-cells-and-t-cells
#13
Guan Yang, Bianca L Artiaga, Sarah T Lewis, John P Driver
CD1d-restricted invariant natural killer T (iNKT) cells are innate-like T cells that share phenotypic characteristics of both NK and conventional T cells (Tconv). Although iNKT cells have been well characterized in mice and humans, functional CD1d and CD1d-restricted iNKT cells are not universally expressed in mammals. Swine express iNKT cells that can be detected using α-galactosylceramide (α-GalCer)-loaded CD1d tetramers. In the present study, we characterized iNKT cells from the blood, spleen, lymph node, lung and liver of commercial mixed-breed pigs, and compared their phenotype to NK cells and Tconv...
July 8, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28692048/increased-expression-of-programmed-cell-death-protein-1-on-nk-cells-inhibits-nk-cell-mediated-anti-tumor-function-and-indicates-poor-prognosis-in-digestive-cancers
#14
Y Liu, Y Cheng, Y Xu, Z Wang, X Du, C Li, J Peng, L Gao, X Liang, C Ma
Abnormal expression of activating/inhibitory receptors leads to natural killer (NK) cells dysfunction in tumor. Here we show that programmed cell death protein 1 (PD-1), a well-known immune checkpoint of T cells, is highly expressed on peripheral and tumor-infiltrating NK cells from patients with digestive cancers including esophageal, liver, colorectal, gastric and biliary cancer. The increased PD-1 expression on NK cells indicates poorer survival in esophageal and liver cancers. Blocking PD-1/PD-L1 signaling markedly enhances cytokines production and degranulation and suppresses apoptosis of NK cells in vitro...
July 10, 2017: Oncogene
https://www.readbyqxmd.com/read/28689087/the-histone-deacetylase-inhibitor-saha-simultaneously-reactivates-hiv-1-from-latency-and-up-regulates-nkg2d-ligands-sensitizing-for-natural-killer-cell-cytotoxicity
#15
Maria Giovanna Desimio, Erica Giuliani, Margherita Doria
In pilot HIV-1 eradication studies, patients' immune responses were ineffective at killing viral reservoirs reactivated through latency reversing agents (LRAs) like suberoylanilide hydroxamic acid (SAHA). We hypothesized that T cells harboring reactivated HIV-1 express MIC and ULBP ligands for the activating NKG2D receptor of natural killer (NK) cells. Here, we demonstrated that MICA/B and ULBP2 are induced by SAHA on primary T cells harboring reactivated virus. Using latently HIV-1-infected J-Lat 6.3/8.4/9...
July 6, 2017: Virology
https://www.readbyqxmd.com/read/28685970/invariant-natural-killer-cells-change-after-an-oral-allergy-desensitization-protocol-for-cow-s-milk
#16
Antonella Cianferoni, Rushani Saltzman, Francesca Saretta, Simona Barni, Emily Dudek, Mary Kelleher, Jonathan M Spergel
BACKGROUND: Cow milk (CM) allergy (CMA) affects up to 3% of the pediatric population and recent data suggest that only about 50% will outgrow by age 8. Oral immunotherapy (OIT) is a type of immune-modulating treatment that is able to induce desensitization to food allergens, to increase tolerance threshold, to reduce the risk of anaphylaxis, and to improve the patient's quality of life. The examination of the immunological changes observed during the establishment of food allergy (FA) desensitization in FA patients is a window into the pathogenesis of food allergy and food tolerance development...
July 7, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28680748/mycn-is-an-immunosuppressive-oncogene-dampening-the-expression-of-ligands-for-nk-cell-activating-receptors-in-human-high-risk-neuroblastoma
#17
Elisa Brandetti, Irene Veneziani, Ombretta Melaiu, Annalisa Pezzolo, Aurora Castellano, Renata Boldrini, Elisa Ferretti, Doriana Fruci, Lorenzo Moretta, Vito Pistoia, Franco Locatelli, Loredana Cifaldi
Neuroblastoma (NB) is the most common extracranial solid tumor occurring in childhood. Amplification of the MYCN oncogene is associated with poor prognosis. Downregulation on NB cells of ligands recognized by Natural Killer (NK) cell-activating receptors, involved in tumor cell recognition and lysis, may contribute to tumor progression and relapse. Here, we demonstrate that in human NB cell lines MYCN expression inversely correlates with that of ligands recognized by NKG2D and DNAM1 activating receptors in human NB cell lines...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28679475/cik-as-therapeutic-agents-against-tumors
#18
REVIEW
M Introna
Cytokine Induced Killer (CIK) cells are ex vivo expanded and activated T lymphocytes obtained by sequential incubation of Peripheral Blood Mononuclear cells (PBMNC) with Interferon γ (IFNG), anti CD3 monoclonal antibody OKT3 and IL2. These cells, while retaining few characteristics of the Effector memory T cells subpopulation, acquired during culture CD56 expression, as well as non specific, Natural Killer like, anti tumoral cytotoxicity. CIK cells from human are equivalent to expanded NKT cells in mouse...
July 2, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28677817/inhibition-of-the-hdac-suv39-g9a-pathway-restores-the-expression-of-dna-damage-dependent-major-histocompatibility-complex-class%C3%A2-i-related-chain%C3%A2-a%C3%A2-and%C3%A2-b-in-cancer-cells
#19
Nakako Izumi Nakajima, Atsuko Niimi, Mayu Isono, Takahiro Oike, Hiro Sato, Takashi Nakano, Atsushi Shibata
Immunotherapy is expected to be promising as a next generation cancer therapy. Immunoreceptors are often activated constitutively in cancer cells, however, such levels of ligand expression are not effectively recognized by the native immune system due to tumor microenvironmental adaptation. Studies have demonstrated that natural-killer group 2, member D (NKG2D), a major activating immunoreceptor, responds to DNA damage. The upregulation of major histocompatibility complex class I-related chain A and B (MICA/B) (members of NKG2D ligands) expression after DNA damage is associated with NK cell-mediated killing of cancer cells...
June 30, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28674001/delineation-of-an-immunosuppressive-gradient-in-hepatocellular-carcinoma-using-high-dimensional-proteomic-and-transcriptomic-analyses
#20
Valerie Chew, Liyun Lai, Lu Pan, Chun Jye Lim, Juntao Li, Raymond Ong, Camillus Chua, Jing Yao Leong, Kiat Hon Lim, Han Chong Toh, Ser Yee Lee, Chung Yip Chan, Brian K P Goh, Alexander Chung, Pierce K H Chow, Salvatore Albani
The recent development of immunotherapy as a cancer treatment has proved effective over recent years, but the precise dynamics between the tumor microenvironment (TME), nontumor microenvironment (NTME), and the systemic immune system remain elusive. Here, we interrogated these compartments in hepatocellular carcinoma (HCC) using high-dimensional proteomic and transcriptomic analyses. By time-of-flight mass cytometry, we found that the TME was enriched in regulatory T cells (Tregs), tissue resident memory CD8(+) T cells (TRMs), resident natural killer cells (NKRs), and tumor-associated macrophages (TAMs)...
July 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
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