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https://www.readbyqxmd.com/read/28720686/oncolytic-virus-induced-cell-death-and-immunity-a-match-made-in-heaven
#1
REVIEW
Jolien De Munck, Alex Binks, Iain A McNeish, Joeri L Aerts
Our understanding of the mechanisms responsible for cancer development has increased enormously over the last decades. However, for many cancers, this has not been translated into a significant improvement in overall survival, and overall mortality remains high. Treatment for many malignancies remains based on surgery, chemotherapy, and radiotherapy. Significant progress has been made toward the development of more specific, more potent, and less invasive treatment modalities, but such targeted therapies remain the exception for most cancers...
July 18, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28720549/evolutionary-basis-of-a-new-approach-for-the-treatment-of-malignant-brain-tumors-from-mice-to-humans
#2
Pedro R Lowenstein, Maria G Castro
Glioma cells are one of the most aggressive and malignant tumors. Following initial surgery, and radio-chemotherapy they progress rapidly, so that patients' median survival remains under two years. They invade throughout the brain, which makes them difficult to treat, and are universally lethal. Though total resection is always attempted it is not curative. Standard of care in 2016 comprises surgical resection, radiotherapy and chemotherapy (temozolomide). Median survival is currently ~14-20months post-diagnosis though it can be higher in high complexity medical university centers, or during clinical trials...
July 15, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28673007/cytokine-induced-killer-cell-therapy-for-modulating-regulatory-t-cells-in-patients-with-non-small-cell-lung-cancer
#3
Baodan Yu, Junli Wang, Chen He, Wei Wang, Jianli Tang, Runhui Zheng, Chengzhi Zhou, Huanhuan Zhang, Zhiping Fu, Qiasheng Li, Jun Xu
Previous studies have reported that regulatory T cells (Tregs), which are physiologically engaged in the maintenance of immunological self-tolerance, have a critical role in the regulation of the antitumor immune response. Targeting Tregs has the potential to augment cancer vaccine approaches. The current study therefore aimed to evaluate the role of cytokine-induced killer (CIK) cell infusion in modulating Tregs in patients with non-small cell lung cancer (NSCLC). A total of 15 patients with advanced NSCLC were treated by an infusion of CIK cells derived from autologous peripheral blood mononuclear cells (PBMCs)...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28662677/a-phase-i-ii-trial-of-fixed-dose-stereotactic-body-radiotherapy-with-sequential-or-concurrent-pembrolizumab-in-metastatic-urothelial-carcinoma-evaluation-of-safety-and-clinical-and-immunologic-response
#4
Nora Sundahl, Katrien De Wolf, Sylvie Rottey, Karel Decaestecker, Daan De Maeseneer, Annabel Meireson, Els Goetghebeur, Valérie Fonteyne, Sofie Verbeke, Pieter De Visschere, Dries Reynders, Mireille Van Gele, Lieve Brochez, Piet Ost
BACKGROUND: Current first-line standard of therapy for metastatic urothelial carcinoma is platinum-based combination chemotherapy. Pembrolizumab in phase III has demonstrated a promising overall response rate of 21.1% in patients with progression or recurrence after platinum-based chemotherapy. Preclinical and clinical evidence suggests that radiotherapy has a systemic anti-cancer immune effect and can increase the level of PD-L1 and tumor infiltrating lymphocytes in the tumor microenvironment...
June 29, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28662647/a-phase-ii-randomized-trial-of-observation-versus-stereotactic-ablative-radiation-for-oligometastatic-prostate-cancer-oriole
#5
Noura Radwan, Ryan Phillips, Ashley Ross, Steven P Rowe, Michael A Gorin, Emmanuel S Antonarakis, Curtiland Deville, Stephen Greco, Samuel Denmeade, Channing Paller, Daniel Y Song, Maximilian Diehn, Hao Wang, Michael Carducci, Kenneth J Pienta, Martin G Pomper, Theodore L DeWeese, Adam Dicker, Mario Eisenberger, Phuoc T Tran
BACKGROUND: We describe a randomized, non-blinded Phase II interventional study to assess the safety and efficacy of stereotactic ablative radiotherapy (SABR) for hormone-sensitive oligometastatic prostate adenocarcinoma, and to describe the biology of the oligometastatic state using immunologic, cellular, molecular, and functional imaging correlates. 54 men with oligometastatic prostate adenocarcinoma will be accrued. The primary clinical endpoint will be progression at 6 months from randomization with the hypothesis that SABR to all metastases will forestall progression by disrupting the metastatic process...
June 29, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28604556/immunologic-response-elicited-in-breast-cancer-patients-receiving-a-neugcgm3-based-vaccine-as-adjuvant-therapy
#6
Anet Valdes-Zayas, Zuyen Gonzalez, Vladimir Mulens, Aliz M Vega, Kirenia Perez, Patricia Lorenzo-Luaces, Maria C Rubio, Anabely Estevez, Idelmis Curbelo, Luis E Fernandez, Tania Crombet, Zaima Mazorra
This study aimed to investigate the immunogenicity of a cancer vaccine consisting of the NeuGcGM3 ganglioside combined with the outer membrane protein complex of Neisseria meningitides to form very small size particles. The vaccine is administered together with Montanide ISA51, as adjuvant treatment for breast cancer patients. After surgical resection and standard first-line chemo/radiotherapy, breast cancer patients in stage II-III were enrolled in a phase III clinical trial and allocated into 2 strata, according to the number of positive lymph nodes [stratum I (0-3); stratum II (≥4)]...
June 9, 2017: Journal of Immunotherapy
https://www.readbyqxmd.com/read/28592286/immunological-effect-of-local-ablation-combined-with-immunotherapy-on-solid-malignancies
#7
REVIEW
Yusuke Takahashi, Noriyuki Matsutani, Takashi Nakayama, Hitoshi Dejima, Hirofumi Uehara, Masafumi Kawamura
Recent comprehensive investigations clarified that immune microenvironment surrounding tumor cells are deeply involved in tumor progression, metastasis, and response to treatment. Furthermore, several immunotherapeutic trials have achieved successful results, and the immunotherapeutic agents are available in clinical practice. To enhance their demonstrated efficacy, combination of immunotherapy and ablation has begun to emerge. Local ablations have considerable advantages as an alternative therapeutic option, especially its minimal invasiveness...
June 7, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/28579282/a-radiosensitivity-gene-signature-and-pd-l1-status-predict-clinical-outcome-of-patients-with-invasive-breast-carcinoma-in-the-cancer-genome-atlas-tcga-dataset
#8
Bum-Sup Jang, In Ah Kim
BACKGROUND AND PURPOSE: We investigated the link between the radiosensitivity gene signature and programmed cell death ligand 1 (PD-L1) status and clinical outcome in order to identify a group of patients that would possibly receive clinical benefit of radiotherapy (RT) combined with anti-PD1/PD-L1 therapy. MATERIAL AND METHODS: We validated the identified gene signature related to radiosensitivity and analyzed the PD-L1 status of invasive breast cancer in The Cancer Genome Atlas (TCGA) dataset...
June 1, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28551650/cytotrack-analysis-reveals-low-presence-of-circulating-tumor-cells-in-the-perioperative-period-in-patients-with-non-metastatic-colorectal-cancer
#9
Mikail Gogenur, Thore Hillig, Ismail Gogenur
BACKGROUND/AIM: Detection of circulating tumor cells in the perioperative period predicts poor prognosis in patients with colorectal cancer. There is only one Food and Drug Administration-approved method for such detection, CellSearch, for which results have been inconsistent. A new immunological method, CytoTrack, has shown promising results in patients with breast cancer. The aim of this study was to evaluate detection of circulating tumor cells in the peripheral blood of patients with non-metastatic colorectal cancer with CytoTrack, and investigate if there is a correlation between presence of circulating tumor cells and Union for International Cancer Control (UICC) stage and if surgery itself results in the release of circulating tumor cells...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28539271/gene-expression-profiling-of-tumor-associated-macrophages-after-exposure-to-single-dose-irradiation
#10
Wei-Hsiang Kung, Ching-Fang Yu, Andy Chi-Lung Lee, Chi-Dung Yang, Yu-Chen Liu, Fang-Hsin Chen, Hsien-Da Huang
Radiotherapy (RT) is a common cancer treatment approach that accounts for nearly 50% of patient treatment; however, tumor relapse after radiotherapy is still a major issue. To study the crucial role of tumor-associated macrophages (TAMs) in the regulation of tumor progression post-RT, microarray experiments comparing TAM gene expression profiles between unirradiated and irradiated tumors were conducted to discover possible roles of TAMs in initiation or contribution to tumor recurrence following RT, taking into account the relationships among gene expression, tumor microenvironment, and immunology...
April 30, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28529897/uncovering-the-immune-tumor-microenvironment-in-non-small-cell-lung-cancer-to-understand-response-rates-to-checkpoint-blockade-and-radiation
#11
REVIEW
Jonathan E Schoenhals, Steven N Seyedin, Clark Anderson, Eric D Brooks, Yun R Li, Ahmed I Younes, Sharareh Niknam, Ailin Li, Hampartsoum B Barsoumian, Maria Angelica Cortez, James W Welsh
The study of immunology has led to breakthroughs in treating non-small cell lung cancer (NSCLC). The recent approval of an anti-PD1 checkpoint drug for NSCLC has generated much interest in novel combination therapies that might provide further benefit for patients. However, a better understanding of which combinations may (or may not) work in NSCLC requires understanding the lung immune microenvironment under homeostatic conditions and the changes in that microenvironment in the setting of cancer progression and with radiotherapy...
April 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28522277/-immunotherapy-and-radiotherapy
#12
S Bockel, D Antoni, É Deutsch, F Mornex
Radiotherapy, primarily known for its cytotoxic effect on the tumor cells, via the induction of DNA damages, has the ability to induce a systemic antitumoral response. By an immunologic cell death, tumor cells exposed to radiation release a large amount of neoantigenes and pro-inflammatory mediators, acting as an in situ vaccine, resulting in an tumor regression within the primary irradiated site, but also in the distant "out of field" secondary tumors. However, this phenomenon is extremly rare with radiotherapy alone, suggesting that the radiation-induced antitumor immunity is not sufficient for overcoming the tumor's and its microenvironnement immunosuppressing effect...
May 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28438965/radiation-induces-proinflammatory-dysbiosis-transmission-of-inflammatory-susceptibility-by-host-cytokine-induction
#13
Shiran Gerassy-Vainberg, Alexandra Blatt, Yael Danin-Poleg, Katya Gershovich, Edmond Sabo, Alex Nevelsky, Shahar Daniel, Aviva Dahan, Oren Ziv, Rishu Dheer, Maria T Abreu, Omry Koren, Yechezkel Kashi, Yehuda Chowers
OBJECTIVE: Radiation proctitis (RP) is a complication of pelvic radiotherapy which affects both the host and microbiota. Herein we assessed the radiation effect on microbiota and its relationship to tissue damage using a rectal radiation mouse model. DESIGN: We evaluated luminal and mucosa-associated dysbiosis in irradiated and control mice at two postradiation time points and correlated it with clinical and immunological parameters. Epithelial cytokine response was evaluated using bacterial-epithelial co-cultures...
April 24, 2017: Gut
https://www.readbyqxmd.com/read/28434403/immunotherapy-in-genitourinary-malignancies
#14
REVIEW
Kathan Mehta, Keyur Patel, Rahul A Parikh
Treatment of cancer patients involves a multidisciplinary approach including surgery, radiotherapy, and chemotherapy. Traditionally, patients with metastatic disease are treated with combination chemotherapies or targeted agents. These cytotoxic agents have good response rates and achieve palliation; however, complete responses are rarely seen. The field of cancer immunology has made rapid advances in the past 20 years. Recently, a number of agents and vaccines, which modulate the immune system to allow it to detect and target cancer cells, are being developed...
April 24, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28396751/an-abscopal-effect-in-a-case-of-concomitant-treatment-of-locally-and-peritoneally-recurrent-gastric-cancer-using-adoptive-t-cell-immunotherapy-and-radiotherapy
#15
Hiro Sato, Yoshiyuki Suzuki, Yuya Yoshimoto, Shin-Ei Noda, Kazutoshi Murata, Yosuke Takakusagi, Atsushi Okazaki, Tetsuo Sekihara, Takashi Nakano
The mechanism of abscopal effect is becoming clear by the progress of cancer immunology. A 54-year-old male with recurrent gastric cancer presented an abscopal effect after radiotherapy with concurrent adoptive T-cell immunotherapy (immunoradiotherapy). Immunoradiotherapy has potential to induce abscopal effect by strengthening systemic antitumor immunity even in recurrent cancer.
April 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28385367/-radiation-induced-bronchiolitis-obliterans-with-organizing-pneumonia
#16
REVIEW
J Ducray, S Vignot, A Lacout, I Pougnet, P-Y Marcy, C Chapellier, N Foray, A Creisson, J Thariat
Bronchiolitis obliterans with organizing pneumonia is an inflammatory reaction that can occur as a consequence of various pulmonary affections. Radiotherapy is not the sole and systematic cause of bronchiolitis obliterans with organizing pneumonia. Radiation-induced should not be confused with post-radiation, dose-dependent, inflammatory pulmonary fibrosis, which is non-immunological and located within the irradiation field. The role of immunity, local inflammation and individual radiosensitivity in bronchiolitis obliterans with organizing pneumonia is not well defined...
April 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28325250/radiotherapy-in-the-age-of-cancer-immunology-current-concepts-and-future-developments
#17
REVIEW
Mauro Loi, Isacco Desideri, Daniela Greto, Monica Mangoni, Mariangela Sottili, Icro Meattini, Carlotta Becherini, Francesca Terziani, Camilla Delli Paoli, Emanuela Olmetto, Pierluigi Bonomo, Lorenzo Livi
Major advances in the knowledge of cancer biology and its interactions with tumor immune environment led to the emergence, in the last five years of new immunotherapy-based treatment strategies in cancer patients. At the same time, improvement in radiation technique and progress in radiobiology allowed in the last decade to expand the applications of radiotherapy in a growing number of settings. At present, there are strong theoretical basis to propose immune-enhanced radiation therapy that may represent in the future a new paradigm of treatment, combining the intrinsic power of radiotherapy to elicit a specific, systemic, tumor-directed immune response with modern highly conformal and precise dose delivery, in order to maximize response at the major site of disease and obtain durable disease control...
April 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28314176/metronomic-and-metronomic-like-therapies-in-neuroendocrine-tumors-rationale-and-clinical-perspectives
#18
REVIEW
Ioana Lambrescu, Simona Fica, Diana Martins, Francesca Spada, Chiara Cella, Emilio Bertani, Manila Rubino, Bianca Gibelli, Chiara Grana, Guido Bonomo, Luigi Funicelli, Davide Ravizza, Eleonora Pisa, Dario Zerini, Antonio Ungaro, Nicola Fazio
Metronomic therapy is characterized by the administration of regular low doses of certain drugs with very low toxicity. There have been numerous debates over the empirical approach of this regimen, but fewest side effects are always something to consider in order to improve patients' quality of life. Neuroendocrine tumors (NETs) are rare malignancies relatively slow-growing; therefore their treatment is often chronic, involving several different therapies for tumor growth control. Knowing that these tumors are highly vascularized, the anti-angiogenic aspect is highly regarded as something to be targeted in all patients harboring NETs...
February 24, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28296062/bronchiectasis-following-treatment-for-high-risk-neuroblastoma-a-case-series
#19
Madeleine Adams, Heidi Traunecker, Iolo Doull, Rachel Cox
High-risk (HR) neuroblastoma remains a very challenging disease to treat and long-term cure is only possible with intensive, multimodal treatment including chemotherapy, high-dose therapy, radiotherapy, surgery, and immunotherapy. As a result, treatment-related morbidity and late effects are common in survivors. This report outlines a case series of six patients who developed a chronic productive cough following treatment for HR neuroblastoma. High-resolution computed tomography scanning confirmed the diagnosis of bronchiectasis...
March 10, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28289089/molecular-pathways-oncologic-pathways-and-their-role-in-t-cell-exclusion-and-immune-evasion-a-new-role-for-the-axl-receptor-tyrosine-kinase
#20
Todd A Aguilera, Amato J Giaccia
With the clinical impact of CTLA-4 and PD-1/PD-L1 immune checkpoint therapies, widespread interest in cancer immunotherapy has been ignited. However, the rate and extent of clinical responses to approved therapies are limited and often nonexistent in many solid tumors. This is partially because immune checkpoint therapies are most effective against T-cell-inflamed tumors, and non-T-cell-inflamed or T-cell-excluded tumors remain a significant barrier. New strategies are needed to overcome immune resistance mechanisms that arise during tumor development, which result in T-cell exclusion...
June 15, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
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