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Interferon melanoma

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https://www.readbyqxmd.com/read/28436963/a-sting-activating-nanovaccine-for-cancer-immunotherapy
#1
Min Luo, Hua Wang, Zhaohui Wang, Haocheng Cai, Zhigang Lu, Yang Li, Mingjian Du, Gang Huang, Chensu Wang, Xiang Chen, Matthew R Porembka, Jayanthi Lea, Arthur E Frankel, Yang-Xin Fu, Zhijian J Chen, Jinming Gao
The generation of tumour-specific T cells is critically important for cancer immunotherapy. A major challenge in achieving a robust T-cell response is the spatiotemporal orchestration of antigen cross-presentation in antigen-presenting cells with innate stimulation. Here, we report a minimalist nanovaccine, comprising a simple physical mixture of an antigen and a synthetic polymeric nanoparticle, PC7A NP, which generates a strong cytotoxic T-cell response with low systemic cytokine expression. Mechanistically, the PC7A NP achieves efficient cytosolic delivery of tumour antigens to antigen-presenting cells in draining lymph nodes, leading to increased surface presentation while simultaneously activating type I interferon-stimulated genes...
April 24, 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/28434398/the-use-of-immunotherapy-in-the-treatment-of-melanoma
#2
REVIEW
Tala Achkar, Ahmad A Tarhini
Patients with advanced melanoma have a compromised anti-tumor immune response leading to tumor immune tolerance and a tumor microenvironment conducive to disease progression. Immunotherapy that successfully overcomes this tumor-mediated immune suppression has made the greatest impact in the management of this disease over the past few years. This progress through immunotherapy builds upon earlier successes that interferon-α had in the treatment of melanoma in the adjuvant setting, as well as that of high-dose interleukin-2 in advanced melanoma...
April 24, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28432527/effects-of-agaricus-blazei-murill-polysaccharide-on-cadmium-poisoning-on-the-mda5-signaling-pathway-and-antioxidant-function-of-chicken-peripheral-blood-lymphocytes
#3
Ai Lv, Ming Ge, Xuequan Hu, Wenjing Liu, Guangxing Li, Ruili Zhang
This experimental study investigated the effect of Agaricus blazei Murill polysaccharide (ABP) on cadmium (Cd) poisoning on the melanoma differentiation-associated gene 5 (MDA5) signaling pathway and antioxidant function of peripheral blood lymphocytes (PBLs) in chickens. The experiments were divided into four groups: 7-day-old chickens with normal saline (0.2 mL single/day), Cd (140 mg/kg), ABP (30 mg/mL, 0.2 mL single/day), and Cd + ABP(140 mg/kg/day + 0.2 mL ABP). Peripheral blood was collected on the 20th, 40th, and 60th days for each group, and PBLs were separated...
April 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28423736/laminarin-promotes-anti-cancer-immunity-by-the-maturation-of-dendritic-cells
#4
Kyeongeun Song, Li Xu, Wei Zhang, Yun Cai, Bian Jang, Junghwan Oh, Jun-O Jin
This research evaluates the effects of laminarin on the maturation of dendritic cells and on the in vivo activation of anti-cancer immunity. In vivo treatment of C56BL/6 mice with laminarin increased the expression levels of co-stimulatory molecules and the production of pro-inflammatory cytokines in spleen dendritic cells. Laminarin enhanced ovalbumin antigen presentation in spleen dendritic cells and promoted the proliferation of OT-I and OT-II T cells. Laminarin also induced the maturation of dendritic cells in tumor-draining lymph nodes and protected interferon-γ and tumor necrosis factor-α and proliferation of OT-I and OT-II T cells in tumors...
March 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28417343/adjuvant-therapy-for-melanoma
#5
REVIEW
Aya Agha, Ahmad A Tarhini
Systemic adjuvant therapy for surgically resected cutaneous melanoma that is at high risk for disease recurrence and death targets residual micrometastatic disease which is the source of future local or distant relapse. Interferon-alfa (IFNα) has been the most extensively studied in regimens that varied by dosage, route of administration, formulation, and duration of therapy. Most regimens have demonstrated improvements in relapse-free survival (RFS), while the regimen administered at high dosage (HDI) showed improvements in overall survival (OS) in two out of three RCTs...
May 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28410286/successful-treatment-with-imatinib-after-nilotinib-and-ipilimumab-in-a-c-kit-mutated-advanced-melanoma-patient-a-case-report
#6
Carla Murer, Pascale Kränzlin-Stieger, Lars E French, Reinhard Dummer, Simone M Goldinger
Treatment of melanoma remains a challenge in advanced disease. Recently, the molecular differentiation in BRAF-mutated, NRAS-mutated and c-kit-mutated melanomas led to new treatment strategies. Different trials show that imatinib or nilotinib lead to meaningful responses in c-kit-mutated melanoma patients. There are little published data on sequential inhibition using these two drugs in melanoma. We describe the sequential use of imatinib after nilotinib in a c-kit-mutated melanoma patient, who progressed on interferon, Allovectin, dacarbazine, nilotinib and ipilimumab, and was finally treated with the c-kit inhibitor imatinib...
April 13, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28404865/dual-angiopoietin-2-and-vegfa-inhibition-elicits-antitumor-immunity-that-is-enhanced-by-pd-1-checkpoint-blockade
#7
Martina Schmittnaegel, Nicolò Rigamonti, Ece Kadioglu, Antonino Cassará, Céline Wyser Rmili, Anna Kiialainen, Yvonne Kienast, Hans-Joachim Mueller, Chia-Huey Ooi, Damya Laoui, Michele De Palma
Pathological angiogenesis is a hallmark of cancer and a therapeutic target. Vascular endothelial growth factor A (VEGFA) and angiopoietin-2 (ANGPT2; also known as ANG2) are proangiogenic cytokines that sustain tumor angiogenesis and limit antitumor immunity. We show that combined ANGPT2 and VEGFA blockade by a bispecific antibody (A2V) provided superior therapeutic benefits, as compared to the single agents, in both genetically engineered and transplant tumor models, including metastatic breast cancer (MMTV-PyMT), pancreatic neuroendocrine tumor (RIP1-Tag2), and melanoma...
April 12, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28396670/grass-carp-laboratory-of-genetics-and-physiology-2-serves-as-a-negative-regulator-in-retinoic-acid-inducible-gene-i-and-melanoma-differentiation-associated-gene-5-mediated-antiviral-signaling-in-resting-state-and-early-stage-of-grass-carp-reovirus-infection
#8
Youliang Rao, Quanyuan Wan, Chunrong Yang, Jianguo Su
Laboratory of genetics and physiology 2 (LGP2) is a key component of RIG-I-like receptors (RLRs). However, the lack of the caspase recruitment domains (CARDs) results in its controversial functional performance as a negative or positive regulator in antiviral responses. Especially, no sufficient evidence uncovers the functional mechanisms of LGP2 in RLR signaling pathways in teleost. Here, negative regulation mechanism of LGP2 in certain situations in retinoic acid-inducible gene I (RIG-I) and melanoma differentiation-associated gene 5 (MDA5)-mediated antiviral responses was identified in Ctenopharyngodon idella kidney cells...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28393253/recombinant-adenovirus-of-sea-and-cd80-genes-driven-by-mmre-and-mouse-tert-promoter-induce-effective-antitumor-immune-responses-against-different-types-of-tumor-cells-in%C3%A2-vitro-and-in%C3%A2-vivo
#9
Shao-Yan Si, Jun-Li Liu, Jun-Lian Liu, Bing-Xin Xu, Jian-Zhong Li, Ya-Ya Qin, Shu-Jun Song
Staphylococcus enterotoxin A (SEA) is a powerful immunostimulant and can stimulate T cells bearing certain T-cell receptor β-chain variable regions when bound to major histocompatibility complex II molecules. SEA is widely used in research of antitumor therapy. The low affinity T-cell receptor (TCR) interaction with SEA in the absence of MHC class II antigens is sufficient for the induction of cytotoxicity but requires additional CD28/B7 signaling to result in proliferation of resting T cells. In this study, we constructed recombinant adenovirus (named as Ad-MMRE-mTERT-BIS) carrying membrane-expressing SEA (named as SEAtm) and CD80 driven by Myc-Max response elements (MMRE) and mouse telomerase reverse transcriptase (mTERT) promoter to reduce toxicity and to improve safety and efficiency...
April 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28387608/common-polymorphisms-in-the-ifi16-and-aim2-genes-are-associated-with-periodontal-disease
#10
Julie T Marchesan, Yizu Jiao, Kevin Moss, Kimon Divaris, William Seaman, Jennifer Webster-Cyriaque, Shaoping Zhang, Ning Yu, Catharine Song, Sompop Bencharit, Ricardo Teles, Steven Offenbacher
BACKGROUND: We investigated the single nucleotide polymorphism (SNP) context of a previously identified periodontitis-associated locus and examined its association with microbial, biological and periodontal disease clinical parameters. METHODS: We annotated a 200Kb-spanning region of 1q12 previously highlighted in a genome-wide association scan among 4,910 European American individuals (SNP rs1633266). Two haplotype blocks were selected. We examined the association of these polymorphisms with data on microbial plaque composition, gingival crevicular fluid (GCF)-interleukin (IL)-1β levels and clinical parameters of periodontal disease...
April 7, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28374594/-non-specific-immunotherapy-inhibits-angiogenesis-results-of-the-monitoring-of-serum-levels-of-vascular-endothelial-growth-factor-and-matrix-metalloproteinase-8-in-patients-with-malignant-melanoma-receiving-adjuvant-high-dose-interferon-therapy
#11
J Prošvicová, J Grim, J Kopecký, P Priester, I Slánská, P Trojanová, A Paulík, V Jílková, S Filip, Š Lukešová, P Prošvic, J Knížek, C Andrýs
OBJECTIVE: Interestingly, evidence is currently emerging that the activation of angiogenesis leads to immunomodulatory/immunosuppressive effects both at the local and systemic levels. These are very complex and interconnected processes. In this study, our aim was to establish interferon alpha-2b as an anti-angiogenic agent and show the complexity of angiogenesis and immunomodulation through the serum levels of vascular endothelial growth factor (VEGF) and matrix metalloproteinase 8 (MMP-8) in high-risk resected malignant melanoma before and after adjuvant therapy with high-dose interferon alpha-2b (HDI)...
2017: Epidemiologie, Mikrobiologie, Imunologie
https://www.readbyqxmd.com/read/28369146/epstein-barr-virus-infection-induced-inflammasome-activation-in-human-monocytes
#12
Yuka Torii, Jun-Ichi Kawada, Takayuki Murata, Hironori Yoshiyama, Hiroshi Kimura, Yoshinori Ito
Inflammasomes are cytoplasmic sensors that regulate the activity of caspase-1 and the secretion of interleukin-1β (IL-1β) or interleukin-18 (IL-18) in response to foreign molecules, including viral pathogens. They are considered to be an important link between the innate and adaptive immune responses. However, the mechanism by which inflammasome activation occurs during primary Epstein-Barr virus (EBV) infection remains unknown. Human B lymphocytes and epithelial cells are major targets of EBV, although it can also infect a variety of other cell types...
2017: PloS One
https://www.readbyqxmd.com/read/28344878/targeting-cytokine-signaling-checkpoint-cis-activates-nk-cells-to-protect-from-tumor-initiation-and-metastasis
#13
Eva M Putz, Camille Guillerey, Kevin Kos, Kimberley Stannard, Kim Miles, Rebecca B Delconte, Kazuyoshi Takeda, Sandra E Nicholson, Nicholas D Huntington, Mark J Smyth
The cytokine-induced SH2-containing protein CIS belongs to the suppressor of cytokine signaling (SOCS) protein family. Here, we show the critical role of CIS in suppressing natural killer (NK) cell control of tumor initiation and metastasis. Cish-deficient mice were highly resistant to methylcholanthrene-induced sarcoma formation and protected from lung metastasis of B16F10 melanoma and RM-1 prostate carcinoma cells. In contrast, the growth of primary subcutaneous tumors, including those expressing the foreign antigen OVA, was unchanged in Cish-deficient mice...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28344662/nivolumab-in-renal-cell-carcinoma-latest-evidence-and-clinical-potential
#14
REVIEW
Camille Mazza, Bernard Escudier, Laurence Albiges
Similar to melanoma, renal cell carcinoma (RCC) has been historically considered as an immunogenic tumor, with interleukin 2 (IL-2) and interferon alpha (IFN-α) being the first approved treatments in the 1990s. However, these therapies were effective in only 10-20% of cases and were not well tolerated. Recently, new insights on the interaction between the immune system and tumor have identified the programmed death-1/programmed death-ligand-1 (PD-1/PD-L1) pathway to be a key player in evading host immune responses...
March 2017: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/28333574/cytosolic-nucleic-acid-sensors-and-innate-immune-regulation
#15
Daisuke Ori, Motoya Murase, Taro Kawai
During viral and bacterial infections, pathogen-derived cytosolic nucleic acids are recognized by the intracellular RNA sensors retinoic acid-inducible gene I and melanoma-differentiated gene 5 and intracellular DNA sensors, including cyclic-di-GMP-AMP synthase, absent in melanoma 2, interferon (IFN)-gamma inducible protein 16, polymerase III, and so on. Binding of intracellular nucleic acids to these sensors activates downstream signaling cascades, resulting in the production of type I IFNs and pro-inflammatory cytokines to induce appropriate systematic immune responses...
March 23, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28331615/nuclear-irf-1-expression-as-a-mechanism-to-assess-capability-to-express-pd-l1-and-response-to-pd-1-therapy-in-metastatic-melanoma
#16
James W Smithy, Lauren M Moore, Vasiliki Pelekanou, Jamaal Rehman, Patricia Gaule, Pok Fai Wong, Veronique M Neumeister, Mario Sznol, Harriet M Kluger, David L Rimm
BACKGROUND: Predictive biomarkers for antibodies against programmed death 1 (PD-1) remain a major unmet need in metastatic melanoma. Specifically, response is seen in tumors that do not express programmed death ligand 1 (PD-L1), highlighting the need for a more sensitive biomarker. We hypothesize that capacity to express PD-L1, as assessed by an assay for a PD-L1 transcription factor, interferon regulatory factor 1 (IRF-1), may better distinguish patients likely to benefit from anti-PD-1 immunotherapy...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28323387/induction-of-tumor-regression-by-intratumoral-sting-agonists-combined-with-anti-programmed-death-l1-blocking-antibody-in-a-preclinical-squamous-cell-carcinoma-model
#17
Shekhar K Gadkaree, Juan Fu, Rupashree Sen, Michael J Korrer, Clint Allen, Young J Kim
BACKGROUND: Cyclic dinucleotides (CDNs) are bacterial intracellular messengers that have demonstrated antitumor activity in melanoma and breast tumors, although their role in immunotherapy of head and neck squamous cell cancers (HNSCCs) has not been well investigated. METHODS: We measured primary tumor growth rates, mechanism of antitumor activity, and efficacy of programmed death-L1 blockade combinatorial therapy in SCCFVII tumor-bearing C3H/HeOUJ mice undergoing intratumoral injections with RR-cyclic-di-guanine (synthetic CDG), CDG (natural cyclic-di-guanine), R848 (TLR 7/8 agonist), or phosphate buffered saline (PBS, control)...
March 21, 2017: Head & Neck
https://www.readbyqxmd.com/read/28319323/further-evidence-for-specific-ifih1-mutation-as-a-cause-of-singleton-merten-syndrome-with-phenotypic-heterogeneity
#18
Maria Pettersson, Birgitta Bergendal, Johanna Norderyd, Daniel Nilsson, Britt-Marie Anderlid, Ann Nordgren, Anna Lindstrand
Singleton-Merten syndrome (MIM 182250) is an autosomal dominant inherited disorder characterized by early onset periodontitis, root resorption, osteopenia, osteoporosis, and aortic valve or thoracic aorta calcification. The disorder can have significant intrafamilial phenotypic variability. Here, we present a mother and daughter with Singleton-Merten syndrome harboring a previously described pathogenic missense mutation, c.2465G>A p.(Arg822Gln), in IFIH1 (interferon induced with helicase C domain 1), encoding MDA5 (Melanoma Differentiation-Associated protein 5)...
March 20, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28314304/narcoleptic-like-episodes-in-a-patient-receiving-pegylated-interferon-alpha-2b-a-case-report-and-review-of-literature
#19
REVIEW
Benjamin O Lawson, Hung T Khong
A 26-year-old male developed narcoleptic-like episodes while on pegylated interferon-alpha 2b (peg-IFN-α2b) therapy for stage IIIB melanoma. Once peg-IFN-α2b was discontinued, the narcoleptic-like episodes eradicated. A case report and review of the literature are presented in this article.
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28303311/-immunotherapy-of-cancer-with-checkpoint-inhibitors-not-only-in-malignant-melanoma
#20
A Neubauer
The newest weapon in cancer therapy is checkpoint inhibition, which is the result of basic immunology research. The success of this therapy is based on the fact that upon light microscopy, many solid tumors harbor lymphocytic cells infiltrating the tumor (TILs), and in many solid tumors, the presence of these TILs are prognostic. Ipilimumab was the first monoclonal antibody developed against a target present on T cells after becoming activated, CTLA-4. In malignant melanoma, ipilimumab showed its beneficial effect as compared to a placebo peptide...
March 16, 2017: Der Internist
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