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Dendritic Cell Therapy

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https://www.readbyqxmd.com/read/28531845/artesunate-and-erythropoietin-synergistically-improve-the-outcome-of-experimental-cerebral-malaria
#1
Yunting Du, Guang Chen, Xuexing Zhang, Chunyun Yu, Yaming Cao, Liwang Cui
Cerebral malaria (CM) is a severe neurological syndrome in humans and the main fatal cause of malaria. In malaria epidemic regions, despite appropriate anti-malarial treatment, 10-20% of deaths still occur during the acute phase. This is largely attributable to poor treatment access, therapeutic complexity and drug resistance; thus, developing additional clinical adjunctive therapies is an urgent necessity. In this study, we investigated the effect of artesunate (AST) and recombinant human erythropoietin (rhEPO) using an experimental cerebral malaria (ECM) model-C57BL/6 mice infected with Plasmodium berghei ANKA (PbA)...
May 19, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28530155/an-oncolytic-adenovirus-encoding-decorin-and-gm-csf-inhibits-tumor-growth-in-a-colorectal-tumor-model-by-targeting-pro-tumorigenic-signals-and-via-immune-activation
#2
Zhao Liu, Yuefeng Yang, Xiaoyan Zhang, Hao Wang, Weidong Xu, Hua Wang, FengJun Xiao, Zhigang Bai, Hongwei Yao, Xuemei Ma, Lan Jin, Chu-Tse Wu, Prem Seth, Zhongtao Zhang, Lisheng Wang
In advanced and metastatic stages of colorectal cancer (CRC), reduced sensitivity to conventional strategies is still a major obstacle to successful treatments. Decorin is an important regulator in the development and progression of various cancers. To examine if CRC patients have altered decorin levels, expression of decorin and its target genes, Met and vascular endothelial growth factor A (VEGFA) were analyzed in their tumors. Compared to normal tissues, decorin expression was reduced in CRC patients' tumors, while, there were increased Met and VEGFA levels...
May 20, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28529928/the-probiotic-compound-vsl-3-modulates-mucosal-peripheral-and-systemic-immunity-following-murine-broad-spectrum-antibiotic-treatment
#3
Ira Ekmekciu, Eliane von Klitzing, Ulrike Fiebiger, Christian Neumann, Petra Bacher, Alexander Scheffold, Stefan Bereswill, Markus M Heimesaat
There is compelling evidence linking the commensal intestinal microbiota with host health and, in turn, antibiotic induced perturbations of microbiota composition with distinct pathologies. Despite the attractiveness of probiotic therapy as a tool to beneficially alter the intestinal microbiota, its immunological effects are still incompletely understood. The aim of the present study was to assess the efficacy of the probiotic formulation VSL#3 consisting of eight distinct bacterial species (including Streptococcus thermophilus, Bifidobacterium breve, B...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28529626/cancer-derived-circulating-micrornas-promote-tumor-angiogenesis-by-entering-dendritic-cells-to-degrade-highly-complementary-micrornas
#4
Jiaqi Wang, Huamao Ye, Dandan Zhang, Kai Cheng, Yijun Hu, Xiya Yu, Lei Lu, Jingjing Hu, Changjing Zuo, Baohua Qian, Yongwei Yu, Shupeng Liu, Geng Liu, Chuanbin Mao, Shanrong Liu
Understanding the interaction between cancer cells and immunocytes will inspire new cancer therapy strategies. However, how cancer-derived circulating miRNAs modulate such interaction remains unclear. Here we discovered that circulating miR-410-5p, secreted by prostate cancer cells, entered dendritic cells (DCs), with the aid of argonaute-2 protein. The cancer cell antigens stimulated the DCs to produce miR-410-3p, a highly complementary counterpart of miR-410-5p derived from pre-miR-410. The DC-internalized miR-410-5p degraded the miR-410-3p by base pairing and thus inhibited its function in suppressing tumor angiogenesis, promoting tumor growth...
2017: Theranostics
https://www.readbyqxmd.com/read/28528668/trpv1-channels-in-immune-cells-and-hematological-malignancies
#5
Sofia A Omari, Murray J Adams, Dominic P Geraghty
Transient receptor potential vanilloid-1 (TRPV1) is a member of the TRP family of channels that are responsible for nociceptive, thermal, and mechanical sensations. Originally associated exclusively with sensory neurons, TRPV1 is now known to be present in almost all organs, including cells of the immune system, where TRPV1 has been shown to play a pivotal role in inflammation and immunity. Monocytes, macrophages, and dendritic cells express TRPV1, with both mouse and human studies suggesting that TRPV1 activation protects against endotoxin-induced inflammation...
2017: Advances in Pharmacology
https://www.readbyqxmd.com/read/28523463/immature-exosomes-derived-from-microrna-146a-overexpressing-dendritic-cells-act-as-antigen-specific-therapy-for-myasthenia-gravis
#6
Weifan Yin, Song Ouyang, Zhaohui Luo, Qiuming Zeng, Bo Hu, Liqun Xu, Yuan Li, Bo Xiao, Huan Yang
Myasthenia gravis (MG) is a neurological autoimmune disease characterized by fluctuating weakness of certain voluntary muscles. Current treatments for MG are largely directed at suppressing the whole immune system by using immunosuppressants or glucocorticoids and often cause several side effects. The ideal therapeutic methods for MG should suppress aberrant immunoactivation specifically, while retaining normal function of the immune system. In this study, we first produced exosomes from microRNA-146a overexpressing dendritic cells (DCs)...
May 18, 2017: Inflammation
https://www.readbyqxmd.com/read/28521905/harnessing-the-properties-of-dendritic-cells-in-the-pursuit-of-immunological-tolerance
#7
REVIEW
Christopher Horton, Kumaran Shanmugarajah, Paul J Fairchild
The acquisition of self-perpetuating, immunological tolerance specific for graft alloantigens has long been described as the "holy grail" of clinical transplantation. By removing the need for life-long immunosuppression following engraftment, the adverse consequences of immunosuppressive regimens, including chronic infections and malignancy, may be avoided. Furthermore, autoimmune diseases and allergy are, by definition, driven by aberrant immunological responses to ordinarily innocuous antigens. The re-establishment of permanent tolerance towards instigating antigens may, therefore, provide a cure to these common diseases...
April 2017: Biomedical Journal
https://www.readbyqxmd.com/read/28521478/enhancement-of-antitumor-immunity-by-combination-of-anti-ctla-4-antibody-and-radioimmunotherapy-through-the-suppression-of-tregs
#8
Cheol-Hun Son, Jaeho Bae, Hong-Rae Lee, Kwangmo Yang, You-Soo Park
Cytotoxic T lymphocyte antigen-4 (CTLA-4) is expressed during cluster of differentiation (CD)4+ T-cell activation and terminates immune responses by interrupting CD28-enhanced activation. In addition, CTLA-4 is known to be constitutively expressed in regulatory T-cells (Tregs) and to contribute to immune suppression by enhancing the suppressive function of Tregs. However, the molecular mechanisms underlying CTLA-4-mediated Treg suppression remains incompletely understood. Furthermore, it is uncertain whether the in vivo immune suppressive functions of CTLA-4 are mediated only by a reduction in the level of conventional T-cell activity, or enhancement of Treg function...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28520445/telodendrimers-for-physical-encapsulation-and-covalent-linking-of-individual-or-combined-therapeutics
#9
Ashok Kakkar, Jason Choi, Alexandre Moquin, Enzo Bomal, Li Na, Dusica Maysinger
New therapeutics for glioblastoma multiforme and our ability to deliver them using efficient nanocarriers, constitute topical areas of research. We report a comparative study of temozolomide and quercetin in the treatment of glioblastoma (GBM) in 3D, and their incorporation into micelles obtained from synthetically articulated architectural copolymers, and a commercially available linear polymer poly(ethylene glycol)-poly(lactic-co-glycolic acid) (PEG-PLGA). A versatile synthetic methodology to telodendrimers which can be easily adapted to the needs of other therapeutic interventions, is presented...
May 18, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28512646/mri-in-glioma-immunotherapy-evidence-pitfalls-and-perspectives
#10
REVIEW
Domenico Aquino, Andrea Gioppo, Gaetano Finocchiaro, Maria Grazia Bruzzone, Valeria Cuccarini
Pseudophenomena, that is, imaging alterations due to therapy rather than tumor evolution, have an important impact on the management of glioma patients and the results of clinical trials. RANO (response assessment in neurooncology) criteria, including conventional MRI (cMRI), addressed the issues of pseudoprogression after radiotherapy and concomitant chemotherapy and pseudoresponse during antiangiogenic therapy of glioblastomas (GBM) and other gliomas. The development of cancer immunotherapy forced the identification of further relevant response criteria, summarized by the iRANO working group in 2015...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28512265/chaetocin-enhances-dendritic-cell-function-via-the-induction-of-heat-shock-protein-and-cancer-testis-antigens-in-myeloma-cells
#11
Manh-Cuong Vo, Thanh-Nhan Nguyen-Pham, Hyun-Ju Lee, Sung-Hoon Jung, Nu-Ri Choi, My-Dung Hoang, Hyeoung-Joon Kim, Je-Jung Lee
Dendritic cells (DC)-based vaccines are considered useful in cancer immuno-therapy, and the interactions of DC and dying tumor cells are important and promising for cancer immunotherapy. We investigated whether chaetocin could be used to induce death of myeloma cells, for loading onto DCs can affect DCs function. In this study, we show that the dying myeloma cells treated with chaetocin resulted in the induction of heat shock protein (HSP) 90, which was inhibited by antioxidant N-acetyl cysteine, and showed an increase in the expression of MAGE-A3 and MAGE-C1/CT7...
April 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28508448/a-novel-multi-epitope-vaccine-from-mmsa-1-and-dkk1-for-multiple-myeloma-immunotherapy
#12
Chenyang Lu, Shan Meng, Yanxia Jin, Wanggang Zhang, Zongfang Li, Fang Wang, Feng Wang-Johanning, Yongchang Wei, Hailing Liu, Honglei Tu, Dan Su, Aili He, Xingmei Cao, Fuling Zhou
The identification of novel tumour-associated antigens is urgently needed to improve the efficacy of immunotherapy for multiple myeloma (MM). In this study, we identified a membrane protein MMSA-1 (multiple myeloma special antigen-1) that was specifically expressed in MM and exhibited significantly positive correlation with MM. We then identified HLA-A*0201-restricted MMSA-1 epitopes and tested their cytotoxic T lymphocyte (CTL) response. The MMSA-1 epitope SLSLLTIYV vaccine was shown to induce an obvious CTL response in vitro...
May 16, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28507788/adaptive-t-cell-responses-induced-by-oncolytic-herpes-simplex-virus-granulocyte-macrophage-colony-stimulating-factor-therapy-expanded-by-dendritic-cell-and-cytokine-induced-killer-cell-adoptive-therapy
#13
Jun Ren, William R Gwin, Xinna Zhou, Xiaoli Wang, Hongyan Huang, Ni Jiang, Lei Zhou, Pankaj Agarwal, Amy Hobeika, Erika Crosby, Zachary C Hartman, Michael A Morse, Kevin H Eng, H Kim Lyerly
Purpose: Although local oncolytic viral therapy (OVT) may enhance tumor lysis, antigen release, and adaptive immune responses, systemic antitumor responses post-therapy are limited. Adoptive immunotherapy with autologous dendritic cells (DC) and cytokine-induced killer cells (DC-CIK) synergizes with systemic therapies. We hypothesized that OVT with Herpes Simplex Virus-granulocyte macrophage-colony-stimulating factor (HSV-GM-CSF) would induce adaptive T cell responses that could be expanded systemically with sequential DC-CIK therapy...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28500272/probing-the-lithium-response-pathway-in-hipscs-implicates-the-phosphoregulatory-set-point-for-a-cytoskeletal-modulator-in-bipolar-pathogenesis
#14
Brian T D Tobe, Andrew M Crain, Alicia M Winquist, Barbara Calabrese, Hiroko Makihara, Wen-Ning Zhao, Jasmin Lalonde, Haruko Nakamura, Glenn Konopaske, Michelle Sidor, Cameron D Pernia, Naoya Yamashita, Moyuka Wada, Yuuka Inoue, Fumio Nakamura, Steven D Sheridan, Ryan W Logan, Michael Brandel, Dongmei Wu, Joshua Hunsberger, Laurel Dorsett, Cordulla Duerr, Ranor C B Basa, Michael J McCarthy, Namrata D Udeshi, Philipp Mertins, Steven A Carr, Guy A Rouleau, Lina Mastrangelo, Jianxue Li, Gustavo J Gutierrez, Laurence M Brill, Nikolaos Venizelos, Guang Chen, Jeffrey S Nye, Husseini Manji, Jeffrey H Price, Colleen A McClung, Hagop S Akiskal, Martin Alda, De-Maw M Chuang, Joseph T Coyle, Yang Liu, Yang D Teng, Toshio Ohshima, Katsuhiko Mikoshiba, Richard L Sidman, Shelley Halpain, Stephen J Haggarty, Yoshio Goshima, Evan Y Snyder
The molecular pathogenesis of bipolar disorder (BPD) is poorly understood. Using human-induced pluripotent stem cells (hiPSCs) to unravel such mechanisms in polygenic diseases is generally challenging. However, hiPSCs from BPD patients responsive to lithium offered unique opportunities to discern lithium's target and hence gain molecular insight into BPD. By profiling the proteomics of BDP-hiPSC-derived neurons, we found that lithium alters the phosphorylation state of collapsin response mediator protein-2 (CRMP2)...
May 12, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28498414/nifuroxazide-prompts-antitumor-immune-response-of-tcl-loaded-dc-in-mice-with-orthotopically-implanted-hepatocarcinoma
#15
Tiesuo Zhao, Huijie Jia, Qian Cheng, Yali Xiao, Minming Li, Wenjing Ren, Chen Li, Yuchen Feng, Zhiwei Feng, Hui Wang, Junnian Zheng
Hepatocellular carcinoma (HCC) is a highly aggressive malignancy with a poor prognosis and high mortality. At present, vaccination with tumor cell lysate (TCL) loaded dendritic cells (DC) has been shown to be an effective therapy against HCC. However, the ability of promoting the specific T cell immune response is rather weak, influencing the antitumor response. Thus, it is necessary to find a strategy to improve the antitumor effect of TCL-loaded DC. Activation of signal transducer and activator of transcription 3 (STAT3) significantly inhibits antitumor immune response and DC maturity...
May 5, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28497804/vaccine-based-immunotherapeutic-approaches-to-gliomas-and-beyond
#16
REVIEW
Michael Weller, Patrick Roth, Matthias Preusser, Wolfgang Wick, David A Reardon, Michael Platten, John H Sampson
Astrocytic and oligodendroglial gliomas are intrinsic brain tumours characterized by infiltrative growth and resistance to classic cancer therapies, which renders them inevitably lethal. Glioblastoma, the most common type of glioma, also exhibits neoangiogenesis and profound immunosuppressive properties. Accordingly, strategies to revert glioma-associated immunosuppression and promote tumour-directed immune responses have been extensively explored in rodent models and in large clinical trials of tumour immunotherapy...
May 12, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28497462/skin-hyperpigmentation-following-intravenous-polymyxin-b-treatment-associated-with-melanocyte-activation-and-inflammatory-process
#17
K P H Mattos, M L Cintra, I R Gouvêa, L Á Ferreira, P E N F Velho, P Moriel
What is known and objective Polymyxins were widely used until the 1960s; however, they fell into disfavour owing to their toxicity. The subsequent growth of infections caused by multidrug-resistant Gram-negative bacteria has led to renewed use of this class of antimicrobials in clinical practice. Acquired skin hyperpigmentation (SH) following intravenous polymyxin B treatment has been previously reported, but little is known about its pathogenesis, clinical course and treatment. To improve understanding of these issues, we conducted a prospective study of adult patients receiving intravenous polymyxin B treatment...
May 11, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28495513/high-hydrostatic-pressure-affects-antigenic-pool-in-tumor-cells-implication-for-dendritic-cell-based-cancer-immunotherapy
#18
Linda Urbanova, Nada Hradilova, Irena Moserova, Sarka Vosahlikova, Lenka Sadilkova, Michal Hensler, Radek Spisek, Irena Adkins
High hydrostatic pressure (HHP) can be used to generate dendritic cell (DC)-based active immunotherapy for prostate, lung and ovarian cancer. We showed here that HHP treatment of selected human cancer cell lines leads to a degradation of tumor antigens which depends on the magnitude of HHP applied and on the cancer cell line origin. Whereas prostate or ovarian cell lines displayed little protein antigen degradation with HHP treatment up to 300MPa after 2h, tumor antigens are hardly detected in lung cancer cell line after treatment with HHP 250MPa at the same time...
May 8, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28490801/dendritic-cells-provide-a-therapeutic-target-for-synthetic-small-molecule-analogues-of-the-parasitic-worm-product-es-62
#19
Felicity E Lumb, James Doonan, Kara S Bell, Miguel A Pineda, Marlene Corbet, Colin J Suckling, Margaret M Harnett, William Harnett
ES-62, a glycoprotein secreted by the parasitic filarial nematode Acanthocheilonema viteae, subverts host immune responses towards anti-inflammatory phenotypes by virtue of covalently attached phosphorylcholine (PC). The PC dictates that ES-62 exhibits protection in murine models of inflammatory disease and hence a library of drug-like PC-based small molecule analogues (SMAs) was synthesised. Four sulfone-containing SMAs termed 11a, 11e, 11i and 12b were found to reduce mouse bone marrow-derived dendritic cell (DC) pathogen-associated molecular pattern (PAMP)-induced pro-inflammatory cytokine production, inhibit NF-κB p65 activation, and suppress LPS-induced up-regulation of CD40 and CD86...
May 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28488208/erythropoietin-rescues-memory-impairment-in-a-rat-model-of-chronic-cerebral-hypoperfusion-via-the-epo-r-jak2-stat5-pi3k-akt-gsk-3%C3%AE-pathway
#20
Shengli Ma, Juwu Chen, Chen Chen, Na Wei, Jingjing Xu, Guohui Yang, Nan Wang, Yu Meng, Jia Ren, Zongchao Xu
Vascular dementia is the second most common cause of dementia in older people and is characterized by the sudden onset of impairments in thinking skills and behavior, which generally occur following a stroke. Unfortunately, effective therapy for vascular dementia remains inadequate. Erythropoietin (EPO) is a glycoprotein hormone that controls erythropoiesis, or red blood cell production. Recently, a prominent role for EPO has been defined in the nervous system, and there is growing interest in the potential therapeutic use of EPO for neuroprotection...
May 9, 2017: Molecular Neurobiology
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