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Subcutaneous immunotherapy

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https://www.readbyqxmd.com/read/29332456/the-combined-antitumor-effects-of-125i-radioactive-particle-implantation-and-cytokine-induced-killer-cell-therapy-on-xenograft-hepatocellular-carcinoma-in-a-mouse-model
#1
Junyong Zhang, Nian Wu, Zhengrong Lian, Huyi Feng, Qing Jiang, Xianfeng Chen, Jianping Gong, Zhengrong Qiao
The combination of radiotherapy and immunotherapy has shown great promise in eradicating tumors. For example, 125I radioactive particle implantation and cytokine-induced killer cell therapies have demonstrated efficacy in treating hepatocellular carcinoma. However, the mechanism of this combination therapy remains unknown. In this study, we utilized cytokine-induced killer cells obtained from human peripheral blood mononuclear cells along with 125I radioactive particle implantation to treat subcutaneous hepatocellular carcinoma xenograft tumors in BALB/c nude mice...
December 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/29330552/dosimetry-prediction-for-clinical-translation-of-64cu-pembrolizumab-immunopet-targeting-human-pd-1-expression
#2
Arutselvan Natarajan, Chirag B Patel, Frezghi Habte, Sanjiv S Gambhir
The immune checkpoint programmed death 1 receptor (PD-1) expressed on some tumor-infiltrating lymphocytes, and its ligand (PD-L1) expressed on tumor cells, enable cancers to evade the immune system. Blocking PD-1 with the monoclonal antibody pembrolizumab is a promising immunotherapy strategy. Thus, noninvasively quantifying the presence of PD-1 expression in the tumor microenvironment prior to initiation of immune checkpoint blockade may identify the patients likely to respond to therapy. We have developed a 64Cu-pembrolizumab radiotracer and evaluated human dosimetry...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29327474/long-term-effects-of-intralymphatic-immunotherapy-ilit-on-canine-atopic-dermatitis
#3
Katrin Timm, Ralf S Mueller, Claudia S Nett-Mettler
BACKGROUND: Subcutaneous allergen immunotherapy (SCIT) is an established and efficacious therapy for canine atopic dermatitis (AD). In humans, intralymphatic immunotherapy (ILIT) was reported to be associated with fewer and less severe adverse effects than subcutaneous allergen immunotherapy and to be efficacious for several years after three intralymphatic injections. OBJECTIVE: To evaluate safety and effects of ILIT in a case series of dogs with (AD). ANIMALS: Fifty one privately owned dogs with AD...
January 12, 2018: Veterinary Dermatology
https://www.readbyqxmd.com/read/29324304/injectable-polypeptide-hydrogel-for-dual-delivery-of-antigen-and-tlr3-agonist-to-modulate-dendritic-cells-in%C3%A2-vivo-and-enhance-potent-cytotoxic-t-lymphocyte-response-against-melanoma
#4
Huijuan Song, Pingsheng Huang, Jinfeng Niu, Gaona Shi, Chuangnian Zhang, Deling Kong, Weiwei Wang
Transplantation of immune cells manipulated in vitro to dictate immune responses in the body is promising in cancer immunotherapy. However, this approach suffers from low cell survival after administration, insufficient cell homing to lymph nodes, and off-target. Here we demonstrate an injectable and self-assembled poly(l-valine) hydrogel as the delivery carrier of cargoes including antigen and immunopotentiator for DCs modulation. Our results indicate the vaccine formulation composed of tumor cell lysates (TCL), TLR3 agonist, poly(I:C) and polypeptide hydrogel can robustly recruit, activate and mature DCs in vitro and in vivo by sustained release of TCL and poly(I:C)...
January 3, 2018: Biomaterials
https://www.readbyqxmd.com/read/29322510/lolium-perenne-peptide-immunotherapy-is-well-tolerated-and-elicits-a-protective-b-cell-response-in-seasonal-allergic-rhinitis-patients
#5
R Mösges, A F Koch, E Raskopf, J Singh, K Shah-Hosseini, B Hauswald, Y Yarin, F Corazza, L Haazen, S Pirotton, S Allekotte, G Zadoyan, T Legon, S R Durham, M H Shamji
BACKGROUND: Systemic allergic reactions are a risk for allergen immunotherapy that utilizes intact allergen preparations. We evaluated the safety, efficacy and immune mechanisms of short-course treatment with adjuvant-free Lolium perenne peptides (LPP) following a 6-week dose-escalation protocol. METHODS: In a prospective, dose-escalation study, 61 grass pollen-allergic patients received 2 subcutaneous injections of LPP once weekly for 6 weeks. Safety was assessed evaluating local reactions, systemic reactions and adverse events...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29318872/covalent-conjugation-of-peptide-antigen-to-mesoporous-silica-rods-to-enhance-cellular-responses
#6
Maxence O Dellacherie, Aileen W Li, Beverly Y Lu, David J Mooney
Short peptides are the minimal modality of antigen recognized by cellular immunity and are therefore considered a safe and highly specific source of antigen for vaccination. Nevertheless, successful peptide immunotherapy is limited by the short half-life of peptide antigens in vivo as well as their weak immunogenicity. We recently reported a vaccine strategy based on dendritic cell-recruiting Mesoporous Silica Rod (MSR) scaffolds to enhance T-cell responses against subunit antigen. In this study, we investigated the effect of covalently conjugating peptide antigens to MSRs to increase their retention in the scaffolds...
January 10, 2018: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29318623/subcutaneous-immunotherapy-with-purified-der-p1-and-2-suppresses-type-2-immunity-in-a-murine-asthma-model
#7
Laura Hesse, Nienke van Ieperen, Corine Habraken, Arjen H Petersen, Silvia Korn, Tim Smilda, Betty Goedewaagen, Marcel H Ruiters, Adrianus C van der Graaf, Martijn C Nawijn
Allergen-specific immunotherapy can induce long-term suppression of allergic symptoms, reduce medication use and prevent exacerbations of allergic rhinitis and asthma. Current treatment is based on crude allergen extracts, which contain immunostimulatory components such as β-glucans, chitins and endotoxin. Use of purified or recombinant allergens might therefore increase efficacy of treatment. Here, we test application of purified natural group 1 and 2 allergens from Dermatophagoides pteronyssinus (Der p) for subcutaneous immunotherapy (SCIT) treatment in a house dust mite (HDM) driven mouse model of allergic asthma...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29313975/near-infrared-photoimmunotherapy-targeting-egfr-shedding-new-light-on-glioblastoma-treatment
#8
Thomas A Burley, Justyna Mączyńska, Anant Shah, Wojciech Szopa, Kevin J Harrington, Jessica K R Boult, Anna Mrozek-Wilczkiewicz, Maria Vinci, Jeffrey C Bamber, Wojciech Kaspera, Gabriela Kramer-Marek
Glioblastomas (GBM) are high-grade brain tumours, differentially driven by alterations (amplification, deletion, or missense mutations) in the epidermal growth factor receptor (EGFR), that carry a poor prognosis of just 12-15 months following standard therapy. A combination of interventions targeting tumor-specific cell surface regulators along with convergent downstream signalling pathways may enhance treatment efficacy. Against this background, we investigated a novel photoimmunotherapy approach combining the cytotoxicity of photodynamic therapy with the specificity of immunotherapy...
January 5, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29295954/blockade-of-tnfr2-signaling-enhances-the-immunotherapeutic-effect-of-cpg-odn-in-a-mouse-model-of-colon-cancer
#9
Yingjie Nie, Jiang He, Hidekazu Shirota, Anna L Trivett, De Yang, Dennis M Klinman, Joost J Oppenheim, Xin Chen
Through the tumor necrosis factor (TNF) receptor type II (TNFR2), TNF preferentially activates, expands, and promotes the phenotypic stability of CD4+Foxp3+ regulatory T (Treg) cells. Those Treg cells that have a high abundance of TNFR2 have the maximal immunosuppressive capacity. We investigated whether targeting TNFR2 could effectively suppress the activity of Treg cells and consequently enhance the efficacy of cancer immunotherapy. We found that, relative to a suboptimal dose of the immunostimulatory Toll-like receptor 9 ligand CpG oligodeoxynucleotide (ODN), the combination of the suboptimal dose of CpG ODN with the TNFR2-blocking antibody M861 more markedly inhibited the growth of subcutaneously grafted mouse CT26 colon tumor cells...
January 2, 2018: Science Signaling
https://www.readbyqxmd.com/read/29288175/applicability-of-evidence-from-previous-systematic-reviews-on-immunotherapy-in-current-practice-of-childhood-asthma-treatment-a-grade-grading-of-recommendations-assessment-development-and-evaluation-systematic-review
#10
Erik-Jonas van de Griendt, Mariska K Tuut, Hans de Groot, Paul L P Brand
OBJECTIVE: Because most children with asthma now use inhaled corticosteroids (ICS), the added benefit of immunotherapy in asthmatic children needs to be examined. We re-assessed the effectiveness of subcutaneous (SCIT) and sublingual immunotherapy (SLIT) in childhood asthma treatment focusing on studies with patient-relevant outcome measures and children using ICS. METHODS: We used the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach to systematically search and appraise the evidence using predefined critical patient-relevant outcomes (asthma symptoms, asthma control and exacerbations)...
December 28, 2017: BMJ Open
https://www.readbyqxmd.com/read/29285934/synthetic-polymeric-mixed-micelles-target-to-lymph-node-triggering-enhanced-cellular-and-humoral-immune-responses
#11
Chenxi Li, Xiaoxu Zhang, Qing Chen, Jiulong Zhang, Wenpan Li, Haiyang Hu, Xiuli Zhao, Mingxi Qiao, Dawei Chen
It has been widely accepted that lymph nodes (LNs) are critical targets of cancer vaccines since antigen presentation and initiation of T cell-mediated immune responses occur primarily at these locations. In this study, amphiphilic diblock copolymer PEOz-PLA combined with carboxylterminalted-Pluronic F127 were used to construct mixed micelles (carboxylated-NPs) for co-delivery of antigen OVA and Toll-like receptor-7 agonist CL264 (carboxylated-NPs/OVA/CL264) to the LN resident DCs. The results showed that the small, sub-60nm size of the self-assembled mixed micelles enables them to rapidly penetrate into lymphatic vessels and reach DLNs after subcutaneous injection...
December 29, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29273130/efficacy-and-safety-of-birch-pollen-immunotherapy-for-local-allergic-rhinitis
#12
Andrzej Bożek, Krzysztof Kołodziejczyk, Jerzy Jarząb
BACKGROUND: Local allergic rhinitis (LAR) is a relatively new disease. OBJECTIVE: To ascertain the effects of allergen-specific immunotherapy in LAR. METHODS: A randomized, double-blind, placebo-controlled trial of birch subcutaneous allergen immunotherapy (AIT) for LAR was performed in 28 patients. The therapy was performed for 24 months in 15 patients with AIT and 13 patients given placebo. The primary end point was decrease in symptom medication score (SMS)...
January 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29248428/irradiation-enhances-abscopal-anti-tumor-effects-of-antigen-specific-immunotherapy-through-regulating-tumor-microenvironment
#13
Ming-Cheng Chang, Yu-Li Chen, Han-Wei Lin, Ying-Cheng Chiang, Chi-Fang Chang, Shu-Feng Hsieh, Chi-An Chen, Wei-Zen Sun, Wen-Fang Cheng
Ionizing radiation therapy is a well-established method of eradicating locally advanced tumors. Here, we examined whether local RT enhanced the potency of an antigen-specific DNA vaccine, and we investigated the possible underlying mechanism. Using the HPV16 E6/E7+ syngeneic TC-1 tumor, we evaluated the combination of CTGF/E7 vaccination with local irradiation with regard to synergistic antigen-specific immunity and anti-tumor effects. Tumor-bearing mice treated with local RT (6 Gy twice weekly) and CTGF/E7 DNA vaccination exhibited dramatically increased numbers of E7-specific CD8+ cytotoxic T cell precursors, higher titers of anti-E7 Abs, and significantly reduced tumor size...
November 21, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/29247543/side-effects-during-subcutaneous-immunotherapy-scit-in-children-with-allergic-diseases
#14
Max Alfons Tophof, Anne Hermanns, Thomas Adelt, Peter Eberle, Christine Gronke, Frank Friedrichs, Roland Knecht, Ernst Mönter, Helmut Schöpfer, Nicolaus Schwerk, Jörg Steinbach, Hans-Ulrich Umpfenbach, Christian Weißhaar, Brigitte Wilmsmeyer, Albrecht Bufe
BACKGROUND: Allergen-specific immunotherapy (AIT) is the only causal form of therapy for IgE-mediated allergic diseases. Subcutaneous immunotherapy (SCIT) is considered safe and well tolerated in adults, yet there is less evidence of safety in the pediatric population. METHODS: A noninterventional prospective observing longitudinal study was carried out to determine the incidence of local and systemic side effects by SCIT, routinely performed in pediatric patients...
December 16, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/29242014/anti-ige-treatment-with-oral-immunotherapy-in-multifood-allergic-participants-a-double-blind-randomised-controlled-trial
#15
Sandra Andorf, Natasha Purington, Whitney M Block, Andrew J Long, Dana Tupa, Erica Brittain, Amanda Rudman Spergel, Manisha Desai, Stephen J Galli, Kari C Nadeau, R Sharon Chinthrajah
BACKGROUND: Despite progress in single food oral immunotherapy, there is little evidence concerning the safety and efficacy of treating individuals with multiple food (multifood) allergies. We did a pilot study testing whether anti-IgE (omalizumab) combined with multifood oral immunotherapy benefited multifood allergic patients. METHODS: We did a blinded, phase 2 clinical trial at Stanford University. We enrolled participants, aged 4-15 years, with multifood allergies validated by double-blind, placebo-controlled food challenges to their offending foods...
December 11, 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29234178/combined-extract-of-heated-4t1-and-a-heat-killed-preparation-of-lactobacillus-casei-in-a-mouse-model-of-breast-cancer
#16
Sajjad Jafari, Seyyed Meysam Abtahi Froushani, Amir Tokmachi
Background: The adjuvanticity potential of Lactobacillus casei was first suggested in an old survey. The present study was designed to investigate the efficacy of a new immunotherapy against breast cancer made by mixing an extract of heated 4T1 mammary carcinoma cell line and a heat-killed preparation of Lactobacillus casei. Methods: Female BALB/c mice (6-8 weeks old, n=40) were challenged subcutaneously in the right flanks with 4T1 cells. When all the animals developed a palpable tumor, they were allocated to 4 equal groups and immunotherapy was initiated...
September 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29233461/long-term-safety-of-subcutaneous-immunotherapy-with-to-204-in-japanese-patients-with-house-dust-mite-induced-allergic-rhinitis-and-allergic-bronchial-asthma-multicenter-open-label-clinical-trial
#17
Takao Fujisawa, Terufumi Shimoda, Keisuke Masuyama, Kimihiro Okubo, Kohei Honda, Mitsuhiro Okano, Toshio Katsunuma, Atsuo Urisu, Yasuto Kondo, Hiroshi Odajima, Kazuyuki Kurihara, Makoto Nagata, Masami Taniguchi, Shoichiro Taniuchi, Satoru Doi, Tomoshige Matsumoto, Shoji Hashimoto, Akihiko Tanaka, Kensuke Natsui, Nahoko Abe, Hideki Ozaki
BACKGROUND: To evaluate the long-term safety of subcutaneous immunotherapy with TO-204, a standardized house dust mite (HDM) allergen extracts, we conducted a multicenter, open label clinical trial. METHODS: Japanese patients aged 5-65 years were eligible for the study, if they had HDM-induced allergic rhinitis (AR), allergic bronchial asthma (BA), or both. TO-204 was administered in a dose titration scheme, and the maintenance dose was determined according to the predefined criteria...
December 7, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/29218236/psmb5-plays-a-dual-role-in-cancer-development-and-immunosuppression
#18
Chih-Yang Wang, Chung-Yen Li, Hui-Ping Hsu, Chien-Yu Cho, Meng-Chi Yen, Tzu-Yang Weng, Wei-Ching Chen, Yu-Hsuan Hung, Kuo-Ting Lee, Jui-Hsiang Hung, Yi-Ling Chen, Ming-Derg Lai
Tumor progression and metastasis are dependent on the intrinsic properties of tumor cells and the influence of microenvironment including the immune system. It would be important to identify target drug that can inhibit cancer cell and activate immune cells. Proteasome β subunits (PSMB) family, one component of the ubiquitin-proteasome system, has been demonstrated to play an important role in tumor cells and immune cells. Therefore, we used a bioinformatics approach to examine the potential role of PSMB family...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/29214012/evidence-of-the-efficacy-and-safety-of-house-dust-mite-subcutaneous-immunotherapy-in-elderly-allergic-rhinitis-patients-a-randomized-double-blind-placebo-controlled-trial
#19
Andrzej Bożek, Krzysztof Kołodziejczyk, Renata Kozłowska, Giorgio Walter Canonica
Background: Allergen specific immunotherapy (AIT) in elderly patients is controversial, and there is still little evidence supporting the safety and efficacy of this treatment in this population. The study objective was to evaluate the safety and efficacy of AIT for house dust mite allergens in patients over 65 years of age with allergic rhinitis (AR) and a documented allergy to house dust mites. The primary endpoint was the change from baseline in the mean average adjusted symptom score (AAdSS) and the total combined rhinitis score (TCRS) difference in the least square means for the label compared to placebo...
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/29200850/enhanced-efficacy-of-sublingual-immunotherapy-by-liposome-mediated-delivery-of-allergen
#20
Have Aliu, Carola Rask, Jens Brimnes, Thomas Lars Andresen
Immunotherapy by sublingual administration of allergens provides high patient compliance and has emerged as an alternative to subcutaneous immunotherapy for the treatment of IgE-associated allergic diseases. However, sublingual immunotherapy (SLIT) can cause adverse events. Development of allergen delivery systems enabling more efficient delivery and hence lower allergen load might reduce the adverse events. In the present study, we have investigated neutral and cationic liposomes as delivery systems of ovalbumin (OVA), as a model allergen, in an OVA-induced allergic airway inflammation model...
2017: International Journal of Nanomedicine
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