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Interferon melanoma

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https://www.readbyqxmd.com/read/28333574/cytosolic-nucleic-acid-sensors-and-innate-immune-regulation
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
https://www.readbyqxmd.com/read/28295214/negative-regulators-of-the-rig-i-like-receptor-signaling-pathway
#7
REVIEW
Kendra M Quicke, Michael S Diamond, Mehul S Suthar
Upon recognition of specific molecular patterns on microbes, host cells trigger an innate immune response, which culminates in the production of type I interferons (IFNs), pro-inflammatory cytokines and chemokines, and restricts pathogen replication and spread within the host. At each stage of this response, there are stimulatory and inhibitory signals that regulate the magnitude, quality, and character of the response. Positive regulation promotes an antiviral state to control and eventually clear infection, whereas negative regulation dampens inflammation and prevents immune-mediated tissue damage...
March 10, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28290625/treatment-of-metastatic-melanoma-a-multi-disciplinary-approach
#8
Paolo Fava, Chiara Astrua, Martina Sanlorenzo, Simone Ribero, Matteo Brizio, Andrea R Filippi, Elena Marra, Franco Picciotto, Dario Sangiolo, Fabrizio Carnevale-Schianca, Massimo Aglietta, Sergio Sandrucci, Umberto Ricardi, Virginia Caliendo, Pietro Quaglino, Maria T Fierro
The prognosis of stage IV metastatic melanoma is poor. An overal 1-year survival of 25.5% and a median survival of 6.2 months were reported without any significant improvement during the last 30 years before the introduction of new drugs (immune check point inhibitors and targeted therapies) which completely modified the therapeutic approach and induced an overwhelming improvement on the survival rates of these patients. This review will analyse the therapeutic tools available for the treatment of patients with metastatic melanoma, including adjuvant interferon and loco-regional therapies (surgery, radiotherapy and electrochemotherapy) and will mainly focus on the presentation of results obtained by the new treatments (check point inhibitors and targeted therapies)...
March 14, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28286532/efficacy-of-juzentaihoto-for-tumor-immunotherapy-in-b16-melanoma-metastasis-model
#9
Shintaro Ishikawa, Takako Ishikawa, Chiaki Tezuka, Kazuhito Asano, Masataka Sunagawa, Tadashi Hisamitsu
Introduction. Medical care for Japanese cancer patients includes Western and Kampo medicines, and treatments with juzentaihoto (JTT) reportedly prevent cancer metastasis and recurrence. In this study, we examined the effects of JTT on natural killer (NK) cell activity and metastasis in combined treatments with anti-PD-1 antibody in a mouse model of melanoma metastasis. Methods. C57BL/6 male mice were intravenously injected with B16 melanoma cells (B16 cell) and were given chow containing 3% JTT. In subsequent in vivo experiments, we assessed serum cytokine levels and tumor colony formation in the lungs...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28286505/mda5-induces-a-stronger-interferon-response-than-rig-i-to-gcrv-infection-through-a-mechanism-involving-the-phosphorylation-and-dimerization-of-irf3-and-irf7-in-cik-cells
#10
Quanyuan Wan, Chunrong Yang, Youliang Rao, Zhiwei Liao, Jianguo Su
Retinoic acid-inducible gene I (RIG-I) and melanoma differentiation-associated gene 5 (MDA5) are critical cytosolic sensors that trigger the production of interferons (IFNs). Though their recognition functions are well identified, their unique roles in the downstream signal transduction remain to be elucidated. Herein, we report the differential effect between grass carp (Ctenopharyngodon idella) MDA5 (CiMDA5) and CiRIG-I on the production of various IFNs upon grass carp reovirus (GCRV) infection in C. idella kidney (CIK) cell line...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28274138/role-of-interferon-in-melanoma-old-hopes-and-new-perspectives
#11
Martina Sanlorenzo, Igor Vujic, Fabrizio Carnevale-Schianca, Pietro Quaglino, Loretta Gammaitoni, Maria Teresa Fierro, Massimo Aglietta, Dario Sangiolo
Interferons (IFNs) play a key role in modulating anti-microbial and antitumor immune responses. In oncology, past attempts to exploit IFNs therapeutically did not fulfill expectations, and had only modest clinical results, mostly limited to adjuvant melanoma treatment. The recent successes of immunotherapy in oncology have brought new attention to the potential of immune-modulatory agents like the IFNs. Areas covered: The authors review the biological effects of IFN on melanoma and immune cells. Then, the authors summarize the clinical results of adjuvant and therapeutic IFN in melanoma, giving focus to possible prognostic factors and new on-going clinical trials...
April 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28266140/cytokine-biomarkers-to-predict-antitumor-responses-to-nivolumab-suggested-in-a-phase-ii-study-for-advanced-melanoma
#12
Naoya Yamazaki, Yoshio Kiyohara, Hisashi Uhara, Hajime Iizuka, Jiro Uehara, Fujio Otsuka, Yasuhiro Fujisawa, Tatsuya Takenouchi, Taiki Isei, Keiji Iwatsuki, Hiroshi Uchi, Hironobu Ihn, Hironobu Minami, Hideaki Tahara
Promising anti-tumor activities of nivolumab, a fully humanized IgG4 inhibitor antibody against the programmed death-1 protein, were suggested in previous phase 1 studies. The present phase 2, single-arm study (JAPIC-CTI #111681) evaluated the anti-tumor activities of nivolumab and explored its predictive correlates in advanced melanoma patients at 11 sites in Japan. Intravenous nivolumab 2 mg/kg was given repeatedly at 3-week intervals to 35 of 37 patients enrolled from December 2011 to May 2012 until they experienced unacceptable toxicity, disease progression, or complete response...
March 7, 2017: Cancer Science
https://www.readbyqxmd.com/read/28263240/peptide-pulsed-dendritic-cell-vaccine-in-combination-with-carboplatin-and-paclitaxel-chemotherapy-for-stage-iv-melanoma
#13
Keitaro Fukuda, Takeru Funakoshi, Toshiharu Sakurai, Yoshio Nakamura, Mariko Mori, Keiji Tanese, Akiko Tanikawa, Junichi Taguchi, Tomonobu Fujita, Masato Okamoto, Masayuki Amagai, Yutaka Kawakami
In this study, we aimed to evaluate the feasibility and efficacy of peptide-pulsed dendritic cell (DC) vaccine in combination with carboplatin and paclitaxel chemotherapy (DCCP) for patients with stage IV melanoma previously treated with dacarbazine-containing regimen. Six HLA-A24 and 3 HLA-A02 patients were treated with carboplatin (area under the curve 5) and paclitaxel (175 mg/m) on day 1 and DCs (2×10 cells) pulsed with Wilms tumor gene 1 (WT1), gp100, tyrosinase, and either MAGE-A3 (for HLA-A24) or MAGE-A2 (for HLA-A02) peptides on days 8 and 22 in 28-day cycle for up to three cycles...
March 3, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28252553/interactions-from-complementary-and-alternative-medicine-in-patients-with-melanoma
#14
Carmen Loquai, Irene Schmidtmann, Marlene Garzarolli, Martin Kaatz, Katharina C Kähler, Peter Kurschat, Frank Meiss, Oliver Micke, Ralph Muecke, Karsten Muenstedt, Dorothee Nashan, Annette Stein, Christoph Stoll, Dagmar Dechent, Jutta Huebner
Biological-based (BbCAM) methods from complementary and alternative medicine (CAM) may interact with cancer treatments, reduce efficacy, or enhance adverse effects. Although CAM usage has been evaluated well in other cancer entities, data on melanoma patients are still missing. The aim of this study was to determine CAM usage of melanoma patients using a standardized questionnaire to identify potential interactions with established and new systemic melanoma therapies. This multicenter study was carried out in seven German skin cancer centers...
March 1, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28243692/intratumoral-administration-of-cgamp-transiently-accumulates-potent-macrophages-for-anti-tumor-immunity-at-a-mouse-tumor-site
#15
Takayuki Ohkuri, Akemi Kosaka, Kei Ishibashi, Takumi Kumai, Yui Hirata, Kenzo Ohara, Toshihiro Nagato, Kensuke Oikawa, Naoko Aoki, Yasuaki Harabuchi, Esteban Celis, Hiroya Kobayashi
Stimulator of IFN genes (STING) spontaneously contributes to anti-tumor immunity by inducing type I interferons (IFNs) following sensing of tumor-derived genomic DNAs in the tumor-bearing host. Although direct injection of STING ligands such as cyclic diguanylate monophosphate (c-di-GMP) and cyclic [G(2',5')pA(3',5')p] (cGAMP) into the tumor microenvironment exerts anti-tumor effects through strong induction of type I IFNs and activation of innate and adaptive immunity, the precise events caused by STING in the tumor microenvironment remain to be elucidated...
February 27, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28242993/-18-f-fluorodeoxyglucose-positron-emission-tomography-reveals-a-complete-remission-of-refractory-metastatic-melanoma-after-therapy-with-ipilimumab
#16
Anna Yordanova, Carl Schlenkhoff, Holger Palmedo, Markus Essler, Hojjat Ahmadzadehfar
Ipilimumab (YERVOY) is a monoclonal CTLA-4-antibody with anti-tumor-immunogenic effect and is used to treat malignant melanoma. In this case study, we present [(18)F]Fluorodeoxyglucose Positron Emission Tomography (FDG-PET) images of a 37-year-old woman with metastatic melanoma, who was previously treated with interferon-alpha therapy and dacarbazine and still progressed. After four cycles of ipilimumab, there was a complete remission of the disease with no evidence of vital, FDG-positive tumor tissue. The follow-up for a total of 1 year confirmed the therapeutic success...
January 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28224120/oncolytic-virotherapy-including-rigvir-and-standard-therapies-in-malignant-melanoma
#17
REVIEW
Hani M Babiker, Irbaz Bin Riaz, Muhammad Husnain, Mitesh J Borad
The treatment of metastatic melanoma has evolved from an era where interferon and chemotherapy were the mainstay of treatments to an era where immunotherapy has become the frontline. Ipilimumab (IgG1 CTLA-4 inhibitor), nivolumab (IgG4 PD-1 inhibitor), pembrolizumab (IgG4 PD-1 inhibitor) and nivolumab combined with ipilimumab have become first-line therapies in patients with metastatic melanoma. In addition, the high prevalence of BRAF mutations in melanoma has led to the discovery and approval of targeted molecules, such as vemurafenib (BRAF kinase inhibitor) and trametinib (MEK inhibitor), as they yielded improved responses and survival in malignant melanoma patients...
2017: Oncolytic Virotherapy
https://www.readbyqxmd.com/read/28188458/tanapoxvirus-lacking-the-15l-gene-inhibits-melanoma-cell-growth-in-vitro-by-inducing-interferon-%C3%AE-1-release
#18
Tiantian Zhang, Karim Essani
Oncolytic viruses (OVs) have emerged as a promising approach for melanoma treatment by causing tumor lysis and inducing immuno-modulatory activities. Tanapoxvirus (TPV), which causes a mild self-limiting disease in humans and contains a large DNA genome, appears as a promising OV candidate. TPV recombinants were generated with the thymidine kinase/66R gene deletion (TPVΔ66R), the 15L gene deletion (TPVΔ15L), or with both the 15L and 66R gene ablation (TPVΔ15LΔ66R). Our previous studies have shown that treatment of TPVΔ15L resulted in significant tumor regression in xenotransplanted human melanoma in nude mice...
February 10, 2017: Virus Genes
https://www.readbyqxmd.com/read/28154780/human-endogenous-retroviruses-and-cancer
#19
María Gonzalez-Cao, Paola Iduma, Niki Karachaliou, Mariacarmela Santarpia, Julià Blanco, Rafael Rosell
Human endogenous retroviruses (HERVs) are retroviruses that infected human genome millions of years ago and have persisted throughout human evolution. About 8% of our genome is composed of HERVs, most of which are nonfunctional because of epigenetic control or deactivating mutations. However, a correlation between HERVs and human cancer has been described and many tumors, such as melanoma, breast cancer, germ cell tumors, renal cancer or ovarian cancer, express HERV proteins, mainly HERV-K (HML6) and HERV-K (HML2)...
December 2016: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/28137885/cgas-is-essential-for-the-antitumor-effect-of-immune-checkpoint-blockade
#20
Hua Wang, Shuiqing Hu, Xiang Chen, Heping Shi, Chuo Chen, Lijun Sun, Zhijian J Chen
cGMP-AMP (cGAMP) synthase (cGAS) is a cytosolic DNA sensor that activates innate immune responses. cGAS catalyzes the synthesis of cGAMP, which functions as a second messenger that binds and activates the adaptor protein STING to induce type I interferons (IFNs) and other immune modulatory molecules. Here we show that cGAS is indispensable for the antitumor effect of immune checkpoint blockade in mice. Wild-type, but not cGAS-deficient, mice exhibited slower growth of B16 melanomas in response to a PD-L1 antibody treatment...
February 14, 2017: Proceedings of the National Academy of Sciences of the United States of America
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