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Dendritic cell immunotherapy

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https://www.readbyqxmd.com/read/28649247/an-antigen-presenting-and-apoptosis-inducing-polymer-microparticle-prolongs-alloskin-graft-survival-by-selectively-and-markedly-depleting-alloreactive-cd8-t-cells
#1
Wei Wang, Khawar Ali Shahzad, Miaochen Li, Aifeng Zhang, Lei Zhang, Tao Xu, Xin Wan, Chuanlai Shen
Selectively depleting the pathogenic T cells is a fundamental strategy for the treatment of allograft rejection and autoimmune disease since it retains the overall immune function of host. The concept of killer artificial antigen-presenting cells (KaAPCs) has been developed by co-coupling peptide-major histocompatibility complex (pMHC) multimer and anti-Fas monoclonal antibody (mAb) onto the polymeric microparticles (MPs) to induce the apoptosis of antigen-specific T cells. But little information is available about its in vivo therapeutic potential and mechanism...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28648976/synergistic-combination-of-murine-bone-marrow-derived-dendritic-cells-loaded-ex-vivo-with-whole-tumor-lysate-and-systemic-chemotherapy-mediates-antitumor-immune-responses-in-vivo
#2
Mohamed L Salem, Mohamed Nassef, Soha Gomaa, Ibrahim Essa
In order to get mature dendritic cells (DC) that is a crucial prerequisite for success in tumor immunotherapy protocols. Herein, we assumed that administration of murine bone marrow (BM)-derived DC (BM-DC), loaded ex vivo with whole Ehrlich ascites carcinoma (EAC) lysate, in the context of systemic chemotherapy cyclophosphamide (CTX) to induce antitumor immune responses, may be a good strategy to improve the presentation of tumor-specific antigens to the immune system. In the first series of experiments, BM cells generated either from BM of naïve mice or from BM of EAC-bearing mice were cultured in the presence of GM-CSF and IL-4 for 6days...
June 22, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28642820/intratumorally-injected-pro-inflammatory-allogeneic-dendritic-cells-as-immune-enhancers-a-first-in-human-study-in-unfavourable-risk-patients-with-metastatic-renal-cell-carcinoma
#3
Anna Laurell, Maria Lönnemark, Einar Brekkan, Anders Magnusson, Anna Tolf, Anna Carin Wallgren, Bengt Andersson, Lars Adamson, Rolf Kiessling, Alex Karlsson-Parra
BACKGROUND: Accumulating pre-clinical data indicate that the efficient induction of antigen-specific cytotoxic CD8+ T cells characterizing viral infections is caused by cross-priming where initially infected DCs produce an unique set of inflammatory factors that recruit and activate non-infected bystander DCs. Our DC-based immunotherapy concept is guided by such bystander view and accordingly, we have developed a cellular adjuvant consisting of pre-activated allogeneic DCs producing high levels of DC-recruiting and DC-activating factors...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28641664/-research-progress-of-cell-immunotherapy-in-treatment-of-hematological-malignancies-review
#4
Wei Zhang, Hong-Mei Jing, Ji-Jun Wang, Xiao-Yan Ke
Cell immunotherapy, as an important mean of tumor therapy, infuses a large number of immune effector cells amplified in vitro to the patients, resulting in the anti-tumor effect. There have been a series techniques of cell immunotherapy, including T lymphocyte therapy, dendritic cell-based immune cell therapy, natural killer cell therapy, gamma delta T cell therapy and so on. The preparation and culture conditions, anti-tumor mechanism, target cells etc of these immune cells are not the same, the each with its advantages and disadvantages...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28638729/cellular-immunotherapies-for-cancer
#5
REVIEW
Pedro Berraondo, Sara Labiano, Luna Minute, Iñaki Etxeberria, Marcos Vasquez, Alvaro Sanchez-Arraez, Alvaro Teijeira, Ignacio Melero
Lessons learned over decades on the use of gene and cell therapies have found clinical applicability in the field of cancer immunotherapy. On December 16(th), 2016 a symposium was held in Pamplona (Spain) to analyze and discuss the critical points for the clinical success of adoptive cell transfer strategies in cancer immunotherapy. Cellular immunotherapy is being currently exploited for the development of new cancer vaccines using ex vivo manipulated dendritic cells or to enhance the number of effector cells, transferring reinvigorated NK cells or T cells...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28638279/preventive-actions-of-allergen-immunotherapy-the-facts-and-the-effects-in-search-of-evidence
#6
REVIEW
Irene Martignago, Cristoforo Incorvaia, Erminia Ridolo
Allergen immunotherapy (AIT) is the only treatment that works on the causes of allergy. Available AIT nowadays are subcutaneous immunotherapy (SCIT) and sublingual immunotherapy (SLIT) for allergic rhinitis and asthma, while for allergy to Hymenoptera venom only subcutaneous route is recommended. A bulk of trials and meta-analyses demonstrated that efficacy and safety of AIT in decreasing allergic clinical symptoms and use of rescue medications, while its preventive capacity is yet under investigation. The most important of these effects is the prevention of potentially fatal anaphylactic reactions to Hymenoptera stings by venom immunotherapy (VIT)...
2017: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/28635380/inorganic-nanoparticles-as-potential-regulators-of-immune-response-in-dendritic-cells
#7
Silvia Fogli, Costanza Montis, Sara Paccosi, Angela Silvano, Elena Michelucci, Debora Berti, Alberto Bosi, Astrid Parenti, Paolo Romagnoli
AIM: The spontaneous adsorption of proteins on nanoparticles (NPs) in biological media is exploited to prepare complexes of NPs and proteins from cancer cells' lysates for application in cancer immunotherapy. MATERIALS & METHODS: Gold (Au) and silica NPs were synthesized, incubated with cancer cells' lysates and characterized. Dendritic cells (DCs) were challenged with protein-coated NPs, their maturation, viability and morphology were evaluated and lymphocytes T proliferation was determined...
June 21, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28628011/-criteria-for-selection-of-tumor-cells-and-prospects-for-specific-immunotherapy-for-bladder-cancer
#8
T Slavyanskaya, S -Salnikova, R Sepiashvili
Specific antitumor immunotherapy with autologous dendritic cell vaccines is one of the new approaches of modern medicine. For activation of dendritic cells highly immunogenic antigens are used, however optimal antigens in case of bladder cancer (BC) are still not researched. Cancer-testis antigens (CTA) are the most promising target in the context of creation of antitumor vaccines, because they are distinguished by pronounced immunogenicity, they are detected in different types of tumors and have limited pattern of expression in healthy tissues of grown-up organism...
May 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28625827/cells-as-advanced-therapeutics-state-of-the-art-challenges-and-opportunities-in-large-scale-biomanufacturing-of-high-quality-cells-for-adoptive-immunotherapies
#9
Nate J Dwarshuis, Kirsten Parratt, Adriana Santiago-Miranda, Krishnendu Roy
Therapeutic cells hold tremendous promise in treating currently incurable, chronic diseases since they perform multiple, integrated, complex functions in vivo compared to traditional small-molecule drugs or biologics. However, they also pose significant challenges as therapeutic products because (a) their complex mechanisms of actions are difficult to understand and (b) low-cost bioprocesses for large-scale, reproducible manufacturing of cells have yet to be developed. Immunotherapies using T cells and dendritic cells (DCs) have already shown great promise in treating several types of cancers, and human mesenchymal stromal cells (hMSCs) are now extensively being evaluated in clinical trials as immune-modulatory cells...
June 15, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28621442/dendritic-cell-based-immunotherapy-evokes-potent-anti-tumor-immune-responses-in-cd105-human-renal-cancer-stem-cells
#10
Xiao-Fei Zhang, De-Sheng Weng, Ke Pan, Zi-Qi Zhou, Qiu-Zhong Pan, Jing-Jing Zhao, Yan Tang, Shan-Shan Jiang, Chang-Long Chen, Yong-Qiang Li, Hong-Xia Zhang, Alfred E Chang, Max S Wicha, Yi-Xin Zeng, Qiao Li, Jian-Chuan Xia
Cancer stem cells (CSCs) are responsible for tumor initiation, progression, and resistance to therapeutic agents; they are usually less sensitive to conventional cancer therapies, and could cause tumor relapse. An ideal therapeutic strategy would therefore be to selectively target and destroy CSCs, thereby preventing tumor relapse. The aim of the present study was to evaluate the effectiveness of dendritic cells (DCs) pulsed with antigen derived from CD105+ human renal cell carcinoma(RCC) CSCs against renal cancer cells in vitro and in vivo...
June 16, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28617989/1-25-dihydroxyvitamin-d3-induced-dendritic-cells-suppress-experimental-autoimmune-encephalomyelitis-by-increasing-proportions-of-the-regulatory-lymphocytes-and-reducing-th1-th17-cells
#11
Zhongxiang Xie, Jingtao Chen, Chao Zheng, Jing Wu, Yun Cheng, Shan Zhu, Chenhong Lin, Qingqing Cao, Jie Zhu, Tao Jin
Dendritic cells (DCs), a bridge of innate and adaptive immune responses, play a key role in the development of multiple sclerosis (MS) and experimental autoimmune encephalomyelitis (EAE), an animal model for MS. Administration of tolerogenic DCs has been used as an immunotherapy in the autoimmune diseases. Deficiency of vitamin D is an environmental risk factor of MS. In this study, we induced tolerogenic DCs by 1,25-dihydroxyvitamin D3 (1,25(OH)2 D3 ) and adoptive transferred the tolerogenic DCs (VD3-DCs) into EAE mice...
June 15, 2017: Immunology
https://www.readbyqxmd.com/read/28611200/dendritic-cell-cytokine-induced-killer-cell-immunotherapy-combined-with-s-1-in-patients-with-advanced-pancreatic-cancer-a-prospective-study
#12
Ni Jiang, Guoliang Qiao, Xiao-Li Wang, Michael A Morse, William R Gwin, Lei Zhou, Yuguang Song, Yanjie Zhao, Feng Chen, Xin-Na Zhou, Lefu Huang, Amy Hobeika, Xin Yi, Xuefeng Xia, Yanfang Guan, Jin Song, Jun Ren, H Kim Lyerly
Purpose: Advanced pancreatic cancer has remained challenging to treat effectively. This study aimed to investigate the clinical effects and safety of immunotherapy with dendritic cells and cytokine induced killer cells (DC-CIK) administered with the chemotherapy (CT) S-1 in this malignancy. <p> Experimental Design: Consecutive patients (n=47) with advanced pancreatic cancer were treated with either DC-CIK + S-1, DC-CIK alone, S-1 alone, or best supportive care.</p> <p> Results: DC-CIK plus S-1 produced significantly longer median OS and PFS (212 and 136 days) compared with DC-CIK (128 and 85 days), CT (141 and 92 days) or supportive care only (52 and 43 days) (P<0...
June 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28610825/integrating-next-generation-dendritic-cell-vaccines-into-the-current-cancer-immunotherapy-landscape
#13
REVIEW
Abhishek D Garg, Pierre G Coulie, Benoit J Van den Eynde, Patrizia Agostinis
Cancer immunotherapy is experiencing a renaissance spearheaded by immune checkpoint inhibitors (ICIs). This has spurred interest in 'upgrading' existing immunotherapies that previously experienced only sporadic success, such as dendritic cells (DCs) vaccines. In this review, we discuss the major molecular, immunological, and clinical determinants of existing first- and second-generation DC vaccines. We also outline the future trends for next-generation DC vaccines and describe their major hallmarks and prerequisites necessary for high anticancer efficacy...
June 10, 2017: Trends in Immunology
https://www.readbyqxmd.com/read/28608115/phase-i-trial-of-antigen-targeted-autologous-dendritic-cell-based-vaccine-with-in-vivo-activation-of-inducible-cd40-for-advanced-prostate-cancer
#14
Guru Sonpavde, John D McMannis, Yu Bai, Mamatha R Seethammagari, Joan M C Bull, Victoria Hawkins, Theresa K Dancsak, Natasha Lapteva, Jonathan M Levitt, Annemarie Moseley, David M Spencer, Kevin M Slawin
This phase I trial reports the safety and activity of BPX101, a second-generation antigen-targeted autologous antigen presenting cell (APC) vaccine in men with metastatic castration-resistant prostate cancer (mCRPC). To manufacture BPX101, APCs collected in a single leukapheresis were transduced with adenoviral vector Ad5f35 encoding inducible human (ih)-CD40, followed by incubation with protein PA001, which contains the extracellular domain of human prostate-specific membrane antigen. The ih-CD40 represents a modified chimeric version of the dendritic cell (DC) co-stimulatory molecule, CD40, which responds to a bioinert membrane-permeable activating dimerizer drug, rimiducid (AP1903), permitting temporally controlled, lymphoid-localized, DC-specific activation...
June 12, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28603736/dendritic-cell-derived-exosomes-for-cancer-immunotherapy-hope-and-challenges
#15
EDITORIAL
Hong Tian, Wei Li
No abstract text is available yet for this article.
May 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28601925/enhanced-stimulation-of-human-tumor-specific-t-cells-by-dendritic-cells-matured-in-the-presence-of-interferon-%C3%AE-and-multiple-toll-like-receptor-agonists
#16
Tanja Lövgren, Dhifaf Sarhan, Iva Truxová, Bhavesh Choudhary, Roeltje Maas, Jeroen Melief, Maria Nyström, Ulrika Edbäck, Renee Vermeij, Gina Scurti, Michael Nishimura, Giuseppe Masucci, Alex Karlsson-Parra, Andreas Lundqvist, Lars Adamson, Rolf Kiessling
Dendritic cell (DC) vaccines have been demonstrated to elicit immunological responses in numerous cancer immunotherapy trials. However, long-lasting clinical effects are infrequent. We therefore sought to establish a protocol to generate DC with greater immunostimulatory capacity. Immature DC were generated from healthy donor monocytes by culturing in the presence of IL-4 and GM-CSF and were further differentiated into mature DC by the addition of cocktails containing different cytokines and toll-like receptor (TLR) agonists...
June 10, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28601924/tgf-%C3%AE-1-silenced-leukemia-cell-derived-exosomes-target-dendritic-cells-to-induce-potent-anti-leukemic-immunity-in-a-mouse-model
#17
Fang Huang, Jiangbo Wan, Siguo Hao, Xiaohui Deng, Linjun Chen, Liyuan Ma
Tumor-derived exosomes (TEX) can induce a specific antitumor immune response and have been developed as a promising tumor vaccine. Despite promising preclinical data, TEX exhibit relatively low efficacy and limited clinical benefit in clinical trials. In the present study, we investigated whether exosomes from the TGF-β1 silenced L1210 cells (LEXTGF-β1si) can enhance the efficacy of DC-based vaccines. We silenced TGF-β1 in L1210 cells with a lentiviral shRNA vector and prepared the LEXTGF-β1si. It was shown that LEXTGF-β1si can significantly decrease TGF-β1 expression of dendritic cells (DC) and effectively promote their maturation and immune function...
June 10, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28601056/eliciting-th1-immune-response-using-casein-alpha-s1-loaded-dendritic-cells
#18
Saeed Daneshmandi, Maryam Nourizadeh, Zahra Pourpak, Ali Akbar Pourfathollah
Allergen-specific immunotherapy (AIT) has been recently considered as an alternative approach to ameliorate the symptoms of allergen exposure and improvement the patients' quality of life. Dendritic cells (DC) in the forms of tolerogenic or Th1-induced cells have been investigated in several studies as one of the promising approaches of AIT in allergic diseases. The aim of this study was to evaluate the potency of casein-loaded DCs in eliciting the Th1 immune responses in Balb/c mice as a potential therapeutic approach in allergic condition...
April 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28598415/dna-exonuclease-trex1-regulates-radiotherapy-induced-tumour-immunogenicity
#19
Claire Vanpouille-Box, Amandine Alard, Molykutty J Aryankalayil, Yasmeen Sarfraz, Julie M Diamond, Robert J Schneider, Giorgio Inghirami, C Norman Coleman, Silvia C Formenti, Sandra Demaria
Radiotherapy is under investigation for its ability to enhance responses to immunotherapy. However, the mechanisms by which radiation induces anti-tumour T cells remain unclear. We show that the DNA exonuclease Trex1 is induced by radiation doses above 12-18 Gy in different cancer cells, and attenuates their immunogenicity by degrading DNA that accumulates in the cytosol upon radiation. Cytosolic DNA stimulates secretion of interferon-β by cancer cells following activation of the DNA sensor cGAS and its downstream effector STING...
June 9, 2017: Nature Communications
https://www.readbyqxmd.com/read/28596767/reciprocal-crosstalk-between-dendritic-cells-and-natural-killer-t-cells-mechanisms-and-therapeutic-potential
#20
REVIEW
Christian W Keller, Stefan Freigang, Jan D Lünemann
Natural killer T cells carrying a highly conserved, semi-invariant T cell receptor (TCR) [invariant natural killer T (iNKT) cells] are a subset of unconventional T lymphocytes that recognize glycolipids presented by CD1d molecules. Although CD1d is expressed on a variety of hematopoietic and non-hematopoietic cells, dendritic cells (DCs) are key presenters of glycolipid antigen in vivo. When stimulated through their TCR, iNKT cells rapidly secrete copious amounts of cytokines and induce maturation of DCs, thereby facilitating coordinated stimulation of innate and adaptive immune responses...
2017: Frontiers in Immunology
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