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Dendritic Cell Therapy

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https://www.readbyqxmd.com/read/28329286/short-course-tlr9-agonist-treatment-impacts-innate-immunity-and-plasma-viremia-in-individuals-with-hiv-infection
#1
Line Vibholm, Mariane H Schleimann, Jesper F Højen, Thomas Benfield, Rasmus Offersen, Katrine Rasmussen, Rikke Olesen, Anders Dige, Jørgen Agnholt, Judith Grau, Maria Buzon, Burghardt Wittig, Mathias Lichterfeld, Andreas Munk Petersen, Xutao Deng, Mohammed Abdel-Mohsen, Satish K Pillai, Sofie Rutsaert, Wim Trypsteen, Ward De Spiegelaere, Linos Vandekerchove, Lars Østergaard, Thomas A Rasmussen, Paul W Denton, Martin Tolstrup, Ole S Søgaard
Background: Treatment with latency reversing agents (LRA) enhances HIV-1 transcription in vivo but only leads to modest reductions in the size of the reservoir, possibly due to insufficient immune-mediated elimination of infected cells. We hypothesized that a single drug molecule - a novel toll-like receptor 9 (TLR9) agonist, MGN1703 - could function as an enhancer of innate immunity and an LRA in vivo. Methods: We conducted a single-arm, open-label study, where 15 virologically suppressed HIV-1 infected individuals on antiretroviral therapy received 60 mg MGN1703 s...
March 9, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28328017/dental-pulp-stem-cells-promote-regeneration-of-damaged-neuron-cells-on-the-cellular-model-of-alzheimer-s-disease
#2
Feixiang Wang, Yali Jia, Jiajing Liu, Jinglei Zhai, Ning Cao, Wen Yue, Huixia He, Xuetao Pei
Alzheimer's disease (AD) is an incurable neurodegenerative disease and many types of stem cells have been used in AD therapy with some favorable effects. In this study, we investigated the potential therapeutical effects of human dental pulp stem cells (hDPSCs) on AD cellular model which established by okadaic acid (OA)-induced damage to human neuroblastoma cell line, SH-SY5Y, in vitro for 24h. After confirmed the AD cellular model, the cells were co-culture with hDPSCs by transwell co-culture system till 24 h for treatment...
March 22, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28326824/osteopontin-its-potential-role-in-cancer-of-children-and-young-adults
#3
Gabrielle Karpinsky, Aleksandra Fatyga, Malgorzata Anna Krawczyk, Madeleine Chamera, Natalia Sande, Dagmara Szmyd, Ewa Izycka-Swieszewska, Ewa Bien
OBJECTIVE: Osteopontin (OPN) is aglyco-phosphoprotein, involved in tissue remodeling, inflammation and boneresorption. In various adult neoplasms OPN was shown to correlate with cancer progression, invasiveness and metastasis. AIM: to define the role of OPN in malignancies of children and young adults. MATERIAL AND METHODS: a structured PubMed and Google Scholar literature analysis based on reports published in English between I'1995 and XII'2015...
March 14, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28326304/hiv-diagnosis-and-treatment-through-advanced-technologies
#4
REVIEW
Hafiza Fizzah Zulfiqar, Aneeqa Javed, Sumbal, Bakht Afroze, Qurban Ali, Khadija Akbar, Tariq Nadeem, Muhammad Adeel Rana, Zaheer Ahmad Nazar, Idrees Ahmad Nasir, Tayyab Husnain
Human immunodeficiency virus (HIV) is the chief contributor to global burden of disease. In 2010, HIV was the fifth leading cause of disability-adjusted life years in people of all ages and leading cause for people aged 30-44 years. It is classified as a member of the family Retroviridae and genus Lentivirus based on the biological, morphological, and genetic properties. It infects different cells of the immune system, such as CD4+ T cells (T-helper cells), dendritic cells, and macrophages. HIV has two subtypes: HIV-1 and HIV-2...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28323115/gene-transfection-efficiency-into-dendritic-cells-is-influenced-by-the-size-of-cationic-liposomes-dna-complexes
#5
Yoshikazu Inoh, Mie Nagai, Kayo Matsushita, Mamoru Nakanishi, Tadahide Furuno
Cationic liposomes have attracted recent attention as DNA vaccine carriers that can target dendritic cells (DCs). In general, cationic liposome/DNA complexes (lipoplexes) are taken up by various cells via clathrin-mediated endocytosis, caveolae-mediated endocytosis, macropinocytosis, or phagocytosis, with the mode of endocytosis determining further intracellular trafficking pathways. Moreover, the physicochemical properties of cationic lipoplexes, including lipid composition, shape, size, and charge, influence transfection efficiency, affecting uptake and subsequent intracellular pathways...
March 16, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28322827/structural-divergence-of-essential-triad-ribbon-synapse-proteins-among-placental-mammals-implications-for-preclinical-trials-in-photoreceptor-transplantation-therapy
#6
Christopher R J Laver, Joanne A Matsubara
As photoreceptor transplantation rapidly moves closer to the clinic, verifying graft efficacy in animal models may have unforeseen xenogeneic barriers. Although photoreceptor transplants have most convincingly exhibited functional synaptogenesis in conspecific studies, such evidence (while ruling out false-positives due to: viral graft labeling, fusion/cytosolic transfer, or neuroprotection) has not yet been shown for discordant xenografts. From this, a fundamental question should be raised: is useful xenosynaptogenesis likely between human photoreceptors and mouse retina? The triad ribbon synapse (TRS) that would normally form is unique and contains trans-synaptic proteins essential to its formation and function...
March 18, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28321511/langerhans-plasmacytoid-dendritic-and-myeloid-derived-suppressor-cell-levels-in-mycosis-fungoides-vary-according-to-the-stage-of-the-disease
#7
Alessandro Pileri, Claudio Agostinelli, Maurizio Sessa, Pietro Quaglino, Marco Santucci, Carlo Tomasini, Vieri Grandi, Paolo Fava, Chiara Astrua, Simona Righi, Annalisa Patrizi, Stefano A Pileri, Nicola Pimpinelli
Mycosis fungoides (MF) is characterized by a switch from indolent behaviour in the early stages to a worse clinical outcome in the advanced ones. Recently, various studies have investigated the role the microenvironment might play in such a switch. We have analysed the distribution of Langerhans cells, plasmacytoid dendritic cells and myeloid-derived suppressor cells in 46 MF cases in various stages, aiming to assess whether changes occur from early to advanced stage. We have investigated the number of langerin, CD303 and arginase-1 positive cells and their distribution at high power...
March 20, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28321093/successful-treatment-with-biweekly-chop-for-bone-marrow-relapse-of-blastic-plasmacytoid-dendritic-cell-neoplasm
#8
Keiko Ono, Mikiko Ise, Dai Ikebe, Akiyasu Sato, Xiaofei Wang, Takeaki Sugawara, Hideki Tsujimura, Makiko Itami, Kyoya Kumagai
Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare and aggressive hematological malignancy derived from precursors of plasmacytoid dendritic cells. The majority of patients initially respond to multi-agent chemotherapy, though most relapse within a year and the prognosis is very poor. We report a 67-year-old man with erythema on the right chest and a nasopharyngeal mass. Histological examination revealed a mass of tumor cells expressing CD4, CD56, and CD123, but neither CD3 nor CD20. He was diagnosed with BPDCN...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28317871/insights-into-molecular-therapy-of-glioma-current-challenges-and-next-generation-blueprint
#9
REVIEW
Y Rajesh, Ipsita Pal, Payel Banik, Sandipan Chakraborty, Sachin A Borkar, Goutam Dey, Ahona Mukherjee, Mahitosh Mandal
Glioma accounts for the majority of human brain tumors. With prevailing treatment regimens, the patients have poor survival rates. In spite of current development in mainstream glioma therapy, a cure for glioma appears to be out of reach. The infiltrative nature of glioma and acquired resistance substancially restrict the therapeutic options. Better elucidation of the complicated pathobiology of glioma and proteogenomic characterization might eventually open novel avenues for the design of more sophisticated and effective combination regimens...
March 20, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28303764/recent-progress-in-gm-csf-based-cancer-immunotherapy
#10
Wan-Lun Yan, Kuan-Yin Shen, Chun-Yuan Tien, Yu-An Chen, Shih-Jen Liu
Cancer immunotherapy is a growing field. GM-CSF, a potent cytokine promoting the differentiation of myeloid cells, can also be used as an immunostimulatory adjuvant to elicit antitumor immunity. Additionally, GM-CSF is essential for the differentiation of dendritic cells, which are responsible for processing and presenting tumor antigens for the priming of antitumor cytotoxic T lymphocytes. Some strategies have been developed for GM-CSF-based cancer immunotherapy in clinical practice: GM-CSF monotherapy, GM-CSF-secreting cancer cell vaccines, GM-CSF-fused tumor-associated antigen protein-based vaccines, GM-CSF-based DNA vaccines and GM-CSF combination therapy...
March 2017: Immunotherapy
https://www.readbyqxmd.com/read/28299026/the-immunomodulatory-effect-of-bone-marrow-mesenchymal-stem-cells-on-expression-of-tlr3-and-tlr9-in-mice-dendritic-cells
#11
L Sadeghi, M H Karimi, E Kamali-Sarvestani, N Azarpira, M Shariati
BACKGROUND: Mesenchymal stem cells (MSCs) are multipotent cells with immunomodulatory effect on immune cells including dendritic cells (DCs). DCs are the most potent antigen-presenting cells (APC). MSCs have been found to modulate both differentiation and function of DCs. DCs express a broad range of Toll-like receptors (TLR), which play a critical role in DCs maturation and function. OBJECTIVE: To evaluate expression level of TLR3 and TLR9 transcripts in DCs following treatment with MSCs supernatant...
2017: International Journal of Organ Transplantation Medicine
https://www.readbyqxmd.com/read/28286864/in-vivo-expansion-of-melanoma-specific-t-cells-using-microneedle-arrays-coated-with-immune-polyelectrolyte-multilayers
#12
Qin Zeng, Joshua M Gammon, Lisa H Tostanoski, Yu-Chieh Chiu, Christopher M Jewell
Microneedles (MNs) are micron-scale polymeric or metallic structures that offer distinct advantages for vaccines by efficiently targeting skin-resident immune cells, eliminating injection-associated pain, and improving patient compliance. These advantages, along with recent studies showing therapeutic benefits achieved using traditional intradermal injections in human cancer patients, suggest MN delivery might enhance cancer vaccines and immunotherapies. We recently developed a new class of polyelectrolyte multilayers based on the self-assembly of model peptide antigens and molecular toll-like receptor agonists (TLRa) into ultrathin, conformal coatings...
February 13, 2017: ACS Biomaterials Science & Engineering
https://www.readbyqxmd.com/read/28283756/dopamine-t-cells-and-multiple-sclerosis-ms
#13
REVIEW
Mia Levite, Franca Marino, Marco Cosentino
Dopamine is a key neurotransmitter that induces critical effects in the nervous system and in many peripheral organs, via 5 dopamine receptors (DRs): D1R-D5R. Dopamine also induces many direct and very potent effects on many DR-expressing immune cells, primarily T cells and dendritic cells. In this review, we focus only on dopamine receptors, effects and production in T cells. Dopamine by itself (at an optimal concentration of~0.1 nM) induces multiple function of resting normal human T cells, among them: T cell adhesion, chemotactic migration, homing, cytokine secretion and others...
March 10, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28282460/induction-of-immunogenic-cell-death-of-tumors-by-newly-synthesized-heterocyclic-quinone-derivative
#14
Keum-Joo Son, Ki Ryung Choi, Chung-Kyu Ryu, Seog Jae Lee, Ho Jeong Kim, Hyunah Lee
Many cancer types are serious diseases causing mortality, and new therapeutics with improved efficacy and safety are required. Immuno-(cell)-therapy is considered as one of the promising therapeutic strategies for curing intractable cancer. In this study, we tested R2016, a newly developed heterocyclic quinone derivative, for induction of immunogenic tumor cell death and as a possible novel immunochemotherapeutic. We studied the anti-cancer effects of R2016 against LLC, a lung cancer cell line and B16F10, a melanoma cell line...
2017: PloS One
https://www.readbyqxmd.com/read/28280489/specific-and-novel-micrornas-are-regulated-as-response-to-fungal-infection-in-human-dendritic-cells
#15
Andreas Dix, Kristin Czakai, Ines Leonhardt, Karin Schäferhoff, Michael Bonin, Reinhard Guthke, Hermann Einsele, Oliver Kurzai, Jürgen Löffler, Jörg Linde
Within the last two decades, the incidence of invasive fungal infections has been significantly increased. They are characterized by high mortality rates and are often caused by Candida albicans and Aspergillus fumigatus. The increasing number of infections underlines the necessity for additional anti-fungal therapies, which require extended knowledge of gene regulations during fungal infection. MicroRNAs are regulators of important cellular processes, including the immune response. By analyzing their regulation and impact on target genes, novel therapeutic and diagnostic approaches may be developed...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28279220/short-course-rapamycin-treatment-enables-engraftment-of-immunogenic-gene-engineered-bone-marrow-under-low-dose-irradiation-to-permit-long-term-immunological-tolerance
#16
Kunal H Bhatt, Rajeev Rudraraju, Jeremy F Brooks, Ji-Won Jung, Ryan Galea, James W Wells, Raymond J Steptoe
BACKGROUND: Application of genetically modified hematopoietic stem cells is increasingly mooted as a clinically relevant approach to protein replacement therapy, immune tolerance induction or conditions where both outcomes may be helpful. Hematopoietic stem and progenitor cell (HSPC)-mediated gene therapy often requires highly toxic pretransfer recipient conditioning to provide a 'niche' so that transferred HSPCs can engraft effectively and to prevent immune rejection of neoantigen-expressing engineered HSPCs...
March 9, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28277274/therapeutic-reversal-of-food-allergen-sensitivity-by-mature-retinoic-acid-differentiated-dendritic-cell-induction-of-lag3-cd49b-foxp3-regulatory-t%C3%A2-cells
#17
Wojciech Dawicki, Chunyan Li, Jennifer Town, Xiaobei Zhang, John R Gordon
BACKGROUND: Anaphylaxis is a life-threatening condition for which we have limited therapeutic options. Although specific immunotherapy for food allergies is becoming more effective, it is still laborious and carries substantial risk of adverse events. On the other hand, regulatory dendritic cell (DC) therapy is effective in mouse models of allergic disease and has been shown to work with TH2 cells from atopic asthmatic patients. OBJECTIVE: We assessed whether DC immunotherapy could reverse food allergen sensitivity in mouse models to provide proof of concept relating to their use in the clinic...
October 20, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28274139/immune-and-viral-therapies-for-malignant-primary-brain-tumors
#18
Andrew M Gardeck, Jordan Sheehan, Walter C Low
Glioblastoma multiforme (GBM) is a primary brain tumor with great lethality. Current standard of care with surgery, radiation therapy, and chemotherapy are ineffective in curing this disease. Recent advancements in biological therapies show promise in treating brain tumors. Areas covered: This article provides a review of: the peripheral activation of antigen presenting cells such as dendritic cells to stimulate T cells to recognize and destroy tumor cells within the brain; the ex vivo expansion and transfer of dendritic cells, T cells, and engineered T cells expressing chimeric antigen receptors to target cells bearing specific tumor antigens as well as monoclonal antibodies as immune check point inhibitors...
April 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28272439/discovery-of-bvdu-as-a-promising-drug-for-autoimmune-diseases-therapy-by-dendritic-cell-based-functional-screening
#19
Shuai Chen, Jinfeng Zhou, Yingying Cai, Xinyuan Zheng, Sirong Xie, Yuhan Liao, Yu Zhu, Chaoyan Qin, Weiming Lai, Cuixia Yang, Xin Xie, Changsheng Du
Dendritic cells (DCs) play a critical role in the pathogenesis of autoimmune diseases including multiple sclerosis, and targeting DCs' cytokines production is an important strategy for autoimmune diseases treatment. By establishing a high-throughput screening system, we analyzed LOPAC drug library to identify drugs that control the secretion of IL-6 by DCs, we selected the most likely candidate drug, BVDU, and found that it affected not only IL-6 production, but also that of IL-12, IL-1β during the DCs differentiation and maturation...
March 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28270494/blockade-of-deubiquitylating-enzyme-usp1-inhibits-dna-repair-and-triggers-apoptosis-in-multiple-myeloma-cells
#20
Deepika Sharma Das, Abhishek Das, Arghya Ray, Yan Song, Mehmet K Samur, Nikhil C Munshi, Dharminder Chauhan, Kenneth C Anderson
PURPOSE: The ubiquitin proteasome pathway is a validated therapeutic target in multiple myeloma (MM). Deubiquitylating enzyme USP1 participates in DNA damage response and cellular differentiation pathways. To date, the role of USP1 in MM biology is not defined. In the present study, we investigated the functional significance of USP1 in MM using genetic and biochemical approaches. EXPERIMENTAL DESIGN: To investigate the role of USP1 in myeloma, we utilized USP1 inhibitor SJB3-019A (SJB) for studies in myeloma cell lines and patient MM cells...
March 7, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
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