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(Irradiation or radiation or radiotherapy) and immune

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https://www.readbyqxmd.com/read/28231577/response-evaluation-in-head-and-neck-oncology-definition-and-prediction
#1
T K Hoffmann, P J Schuler, S Laban, R Grässlin, M Beer, A J Beer, U Friebe-Hoffmann, L Bullinger, P Möller, T Wiegel
Curative treatment of head and neck squamous cell carcinoma includes surgery and/or (chemo)radiation, whereas in the palliative setting, chemotherapy and/or immunotherapy represent(s) the standard approach. With regard to quality control, methods for determining treatment response are sorely needed. For surgical therapy, histopathology is the standard quality control. Established criteria for high-risk patients include resection margins of the primary tumor and extracapsular extension of lymph node metastases...
February 24, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28230832/specific-interactions-between-lectins-and-red-blood-cells-of-chornobyl-cleanup-workers-as-indicator-of-some-late-radiation-effects
#2
I S Karpova
AIM: Growing interest in lectins is based on their diagnostic and pharmacological potential, especially the ability to inhibit proliferation and initiate apoptosis of cancer cells. In our research microplate lectinoassay able to detect carbohydrate containing structures (receptors) on erythrocyte surface have been proposed for Chornobyl cleanup workers (1986) monitoring. It was expected to reveal specific abnormalities associated with pathological condition arising as a result of late radiation effects...
December 2016: Experimental Oncology
https://www.readbyqxmd.com/read/28230773/programmed-death-ligand-1-pd-l1-tumor-expression-is-associated-with-a-better-prognosis-and-diabetic-disease-in-triple-negative-breast-cancer-patients
#3
Gerardo Botti, Francesca Collina, Giosuè Scognamiglio, Federica Rao, Valentina Peluso, Rossella De Cecio, Michela Piezzo, Gabriella Landi, Michelino De Laurentiis, Monica Cantile, Maurizio Di Bonito
Triple Negative Breast Cancers (TNBC) subtype is an aggressive disease with poor clinical outcome. The only treatment available is surgery followed by chemotherapy or radiotherapy. Programmed death-ligand 1 (PD-L1) is a trans-membrane protein expressed on a wide variety of cells including immune cells, epithelial and vascular endothelial cells. Recently, PD-1/PD-L1 pathway signaling was described as an adaptive immune resistance mechanism enacted by the tumor cells to evade the immune response. Its presence on tumor cell membranes, acquired for this reason, through time, is an important prognostic value...
February 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28229976/immune-modulation-by-dendritic-cell-based-cancer-vaccines
#4
Chaitanya Kumar, Sakshi Kohli, Poonamalle Parthasarathy Bapsy, Ashok Kumar Vaid, Minish Jain, Venkata Sathya Suresh Attili, Bandana Sharan
The interplay between host immunity and tumour cells has opened the possibility of targeting tumour cells by modulation of the human immune system. Cancer immunotherapy involves the treatment of a tumour by utilizing the recombinant human immune system components to target the pro-tumour microenvironment or by revitalizing the immune system with the ability to kill tumour cells by priming the immune cells with tumour antigens. In this review, current immunotherapy approaches to cancer with special focus on dendritic cell (DC)-based cancer vaccines are discussed...
March 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/28229253/the-biology-of-uveal-melanoma
#5
Adriana Amaro, Rosaria Gangemi, Francesca Piaggio, Giovanna Angelini, Gaia Barisione, Silvano Ferrini, Ulrich Pfeffer
Uveal melanoma (UM), a rare cancer of the eye, is distinct from cutaneous melanoma by its etiology, the mutation frequency and profile, and its clinical behavior including resistance to targeted therapy and immune checkpoint blockers. Primary disease is efficiently controlled by surgery or radiation therapy, but about half of UMs develop distant metastasis mostly to the liver. Survival of patients with metastasis is below 1 year and has not improved in decades. Recent years have brought a deep understanding of UM biology characterized by initiating mutations in the G proteins GNAQ and GNA11...
February 22, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28228085/emergence-of-ad-mediated-combination-therapy-against-cancer-what-to-expect
#6
JinWoo Hong, Chae-Ok Yun
Novel treatment modalities are rapidly advancing toward clinical use as many malignant cancers still remain incurable. Adenovirus (Ad) in particular has been extensively researched as a promising alternative to conventional cancer therapy in the past decades. Although Ad has demonstrated promising therapeutic outcome and cancer-specificity in preclinical models, its therapeutic efficacy in clinical trials is still insufficient due to several drawbacks such as rapid clearance of viral particles by host immune response, induction of acute inflammatory response, and hepatotoxicity...
February 22, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28224235/oral-mucosal-changes-induced-by-anticancer-targeted-therapies-and-immune-checkpoint-inhibitors
#7
REVIEW
Emmanuelle Vigarios, Joel B Epstein, Vincent Sibaud
Development of biological targeted therapies and immune checkpoint inhibitors has redefined the treatment for many cancers; however, the increasing use of new protocols has led to physicians observing a new spectrum of toxicities. To date, oral adverse events induced by these new anticancer therapies have been mainly reported using nonspecific terminology ("stomatitis," "mucosal inflammation," "mucositis") and remain poorly characterized, with the exception of mammalian target of rapamycin (mTOR) inhibitor-associated stomatitis...
February 22, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28220126/the-immunoregulatory-potential-of-particle-radiation-in-cancer-therapy
#8
Daniel K Ebner, Walter Tinganelli, Alexander Helm, Alessandra Bisio, Shigeru Yamada, Tadashi Kamada, Takashi Shimokawa, Marco Durante
Cancer treatment, today, consists of surgery, chemotherapy, radiation, and most recently immunotherapy. Combination immunotherapy-radiotherapy (CIR) has experienced a surge in public attention due to numerous clinical publications outlining the reduction or elimination of metastatic disease, following treatment with specifically ipilimumab and radiotherapy. The mechanism behind CIR, however, remains unclear, though it is hypothesized that radiation transforms the tumor into an in situ vaccine which immunotherapy modulates into a larger immune response...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28219981/the-role-of-natural-killer-t-cells-in-a-mouse-model-with-spontaneous-bile-duct-inflammation
#9
Elisabeth Schrumpf, Xiaojun Jiang, Sebastian Zeissig, Marion J Pollheimer, Jarl Andreas Anmarkrud, Corey Tan, Mark A Exley, Tom H Karlsen, Richard S Blumberg, Espen Melum
Natural killer T (NKT) cells are activated by lipid antigens presented by CD1d molecules and represent a major lymphocyte subset of the liver. NODc3c4 mice spontaneously develop biliary inflammation in extra- and intrahepatic bile ducts. We demonstrated by flow cytometry that invariant NKT (iNKT) cells were more abundant in the thymus, spleen, and liver of NODc3c4 mice compared to NOD mice. iNKT cells in NODc3c4 mice displayed an activated phenotype. Further, NOD and NODCd1d(-/-) mice were irradiated and injected with NODc3c4 bone marrow, and injection of NODc3c4 bone marrow resulted in biliary infiltrates independently of CD1d expression in recipient mice...
February 2017: Physiological Reports
https://www.readbyqxmd.com/read/28219181/-immunotherapy-for-head-and-neck-squamous-cell-carcinoma
#10
J Chen, M Chen, H T Wu
Head and neck squamous cell carcinoma(HNSCC) is the sixth most common malignancies of human beings. The prognosis of advanced HNSCC is poor despite improvements in traditional treatment strategies including surgery, chemotherapy, and radiotherapy. Cancer immunotherapy is the use of the immune system to treat cancer, which provides a sustained antitumor reaction but an absense of chemoresistance. Cancer immunotherapy is becoming the forth treatment strategy towards cancer. Therefore, we reviewed the current state of immunotherapy for HNSCC...
February 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28219022/rationale-for-stimulator-of-interferon-genes-targeted-cancer-immunotherapy
#11
REVIEW
Thaiz Rivera Vargas, Isis Benoit-Lizon, Lionel Apetoh
The efficacy of checkpoint inhibitor therapy illustrates that cancer immunotherapy, which aims to foster the host immune response against cancer to achieve durable anticancer responses, can be successfully implemented in a routine clinical practice. However, a substantial proportion of patients does not benefit from this treatment, underscoring the need to identify alternative strategies to defeat cancer. Despite the demonstration in the 1990's that the detection of danger signals, including the nucleic acids DNA and RNA, by dendritic cells (DCs) in a cancer setting is essential for eliciting host defence, the molecular sensors responsible for recognising these danger signals and eliciting anticancer immune responses remain incompletely characterised, possibly explaining the disappointing results obtained so far upon the clinical implementation of DC-based cancer vaccines...
February 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28218707/fkbp51-immunohistochemical-expression-a-new-prognostic-biomarker-for-oscc
#12
Daniela Russo, Francesco Merolla, Massimo Mascolo, Gennaro Ilardi, Simona Romano, Silvia Varricchio, Virginia Napolitano, Angela Celetti, Loredana Postiglione, Pier Paolo Di Lorenzo, Luigi Califano, Giovanni Orabona Dell'Aversana, Fabio Astarita, Maria Fiammetta Romano, Stefania Staibano
Up-to-date, several molecular markers of prognosis have been studied in Oral Squamous Cell Carcinoma (OSCC), but none entered in the clinical setting. Therapy of OSCC tumors mainly relies on surgery, radiotherapy and partially on chemotherapy; there is an urgent need for biomarkers able to better stratify OSCC patients' risk to address targeted therapeutic strategies. The role of immune response in the pathogenesis and biological behavior of OSCC has been investigated by several authors, and promising results have been obtained with immune checkpoint inhibitors...
February 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28218348/radioguided-surgery-with-radiolabeled-somatostatin-analogs-not-only-in-gep-nets
#13
Vincenzo Cuccurullo, Giuseppe Danilo Di Stasio, Luigi Mansi
Radioguided surgery (RGS) is a surgical technique that, using intra-operative probes, enables the surgeon to identify tissues preoperatively "marked" by a radiopharmaceutical. Somatostatin receptors (SSTRs) are present in the majority of neuroendocrine cells and may be over-expressed not only by tumor cells, but also by endothelial cells of peritumoral vessels, inflammatory cells and cells of the immune system, such as activated lymphocytes, monocytes and epithelioid cells. This extra neoplastic uptake is the rationale for the use of radiolabeled somatostatin analogs (SSAs) either in some tumors not expressing SSTRs or in various non-oncological diseases...
2017: Nuclear Medicine Review. Central & Eastern Europe
https://www.readbyqxmd.com/read/28217129/ultraviolet-b-inhibits-il-17a-tnf-%C3%AE-stimulated-activation-of-human-dermal-fibroblasts-by-decreasing-the-expression-of-il-17ra-and-il-17rc-on-fibroblasts
#14
Li Yin, YingYing Hu, JiaLi Xu, Jing Guo, Jie Tu, ZhiQiang Yin
BACKGROUND: Psoriasis is a chronic immune-mediated inflammatory disease, and a mixed Th1/Th17 cytokine environment plays a critical role in the pathogenesis of psoriasis. Dermal fibroblasts secrete certain cytokines such as IL-6, IL-8, and CXCL-1, contributing to the hyperproliferative state of the epidermis in psoriatic skin. Ultraviolet B (UVB) phototherapy is one of the most commonly used treatments in psoriasis but the influence of UVB on human dermal fibroblasts (HDFs) in psoriasis treatment is not completely understood...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28214675/directional-delivery-of-rspo1-by-mesenchymal-stem-cells-ameliorates-radiation-induced-intestinal-injury
#15
Wei Chen, Songwen Ju, Ting Lu, Yongfang Xu, Xiaocui Zheng, Haiyan Wang, Yan Ge, Songguang Ju
Radiation-induced intestinal injury (RIII) commonly occurs in patients who received radiotherapy for pelvic or abdominal cancer, or who suffered from whole-body irradiation during a nuclear accident. RIII can lead to intestinal disorders and even death given its integrity damage that results from intestinal stem cell (ISC) loss. Recovery from RIII relies on the intensity of supportive treatment, which can attenuate lethal infection and give surviving stem cells an opportunity to regenerate. It has been reported that RSPO1 is a cytokine with potent and specific proliferative effects on intestinal crypt cells...
February 16, 2017: Cytokine
https://www.readbyqxmd.com/read/28214087/targeting-the-pd-1-pd-l1-axis-in-non-small-cell-lung-cancer
#16
REVIEW
Rajiv Kumar, Dearbhaile Collins, Saoirse Dolly, Fiona McDonald, Mary E R O'Brien, Timothy A Yap
The last decade has witnessed rapid advances in the discovery and development of immune checkpoint inhibitors in cancer medicine, particularly drugs targeting programmed cell death 1 (PD-1) and programmed cell death ligand 1 (PD-L1) in non-small cell lung cancer (NSCLC). The proven antitumor efficacy coupled with low rates of drug-related toxicities observed, albeit idiosyncratic, with these novel immunotherapeutics have led to the registration of multiple PD-1 and PD-L1 inhibitors, such as nivolumab, pembrolizumab, and atezolizumab, in second-line advanced NSCLC, whereas durvalumab and avelumab are in late-phase clinical testing...
December 23, 2016: Current Problems in Cancer
https://www.readbyqxmd.com/read/28212561/the-tlr7-agonist-imiquimod-induces-anti-cancer-effects-via-autophagic-cell-death-and-enhances-anti-tumoral-and-systemic-immunity-during-radiotherapy-for-melanoma
#17
Jeong Hyun Cho, Hyo-Ji Lee, Hyun-Jeong Ko, Byung-Il Yoon, Jongseon Choe, Keun-Cheol Kim, Tae-Wook Hahn, Jeong A Han, Sun Shim Choi, Young Mee Jung, Kee-Ho Lee, Yun-Sil Lee, Yu-Jin Jung
Toll-like receptor (TLR) ligands are strongly considered immune-adjuvants for cancer immunotherapy and have been shown to exert direct anti-cancer effects. This study was performed to evaluate the synergistic anti-cancer and anti-metastatic effects of the TLR7 agonist imiquimod (IMQ) during radiotherapy for melanoma. The pretreatment of B16F10 or B16F1 cells with IMQ combined with γ-ionizing radiation (IR) led to enhanced cell death via autophagy, as demonstrated by increased expression levels of autophagy-related genes, and an increased number of autophagosomes in both cell lines...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28211579/impact-of-treatment-variability-on-survival-in-immuno-competent-and-immuno-compromised-patients-with-primary-central-nervous-lymphoma
#18
Reem Karmali, Chadi Nabhan, Adam M Petrich, Jeffrey Raizer, David Peace, Rimas Lukas, Leo I Gordon, Sanjib Basu, Vineela Chukkapalli, Parameswaran Venugopal
Patients with primary central nervous system lymphoma (PCNSL) treated in the 'real-world' setting do not represent those treated on clinical trials and might not be treated similarly. We studied characteristics and variability in care for 113 newly diagnosed PCNSL patients treated at 5 institutions in the Chicago area between 2000 and 2012. In 111 patients, single modality therapy with a high dose methotrexate (HD-MTX) regimen +/- rituximab, was most commonly employed (n = 65), and 34 underwent radiotherapy (+/- systemic therapy)...
February 17, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28207525/plasma-levels-of-soluble-programmed-death-ligand-1-may-be-associated-with-overall-survival-in-nonsmall-cell-lung-cancer-patients-receiving-thoracic-radiotherapy
#19
Jing Zhao, Peng Zhang, Jianhua Wang, Qingsong Xi, Xueqi Zhao, Minghua Ji, Guangyuan Hu
Immune-checkpoint signaling plays an important role in immunosuppression of tumors. We aimed to investigate the association of soluble programmed death-ligand 1 (sPD-L1) level in plasma with overall survival (OS) in locally advanced or inoperable nonsmall-cell lung cancer (NSCLC) patients treated with thoracic radiotherapy (TRT). We used ELISA to evaluate the sPD-L1 levels at diagnosis and during TRT in 126 clinically inoperable NSCLC patients. OS rates were followed up and recorded. SPSS software and GraphPad Prism 5 were used for statistics...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28203281/minimum-absolute-lymphocyte-counts-during-radiation-are-associated-with-a-worse-prognosis-in-patients-with-unresectable-hepatocellular-carcinoma
#20
Qianqian Zhao, Xiaoqing Xu, Jinbo Yue, Kunli Zhu, Rui Feng, Shumei Jiang, Zhonghua Qi, Renben Wang
BACKGROUND: Peripheral blood lymphocytes play an important role in antitumour immunity. We examined the relationship between the minimum absolute lymphocyte counts (Min ALCs) during radiotherapy (RT) and clinical outcomes in patients with hepatocellular carcinoma (HCC). METHODS: Data from a total of 69 HCC patients who had received RT were retrospectively analysed. Peripheral blood lymphocytes were measured before RT, weekly during RT and after RT. Regression and mixed-effect models were used to assess the relationships with and potential predictors of overall survival (OS)...
February 2017: Therapeutic Advances in Gastroenterology
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