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https://www.readbyqxmd.com/read/28198410/evaluation-of-the-immunological-profile-of-antibody-functionalized-metal-filled-single-walled-carbon-nanocapsules-for-targeted-radiotherapy
#1
Aritz Perez Ruiz de Garibay, Cinzia Spinato, Rebecca Klippstein, Maxime Bourgognon, Markus Martincic, Elzbieta Pach, Belén Ballesteros, Cécilia Ménard-Moyon, Khuloud T Al-Jamal, Gerard Tobias, Alberto Bianco
This study investigates the immune responses induced by metal-filled single-walled carbon nanotubes (SWCNT) under in vitro, ex vivo and in vivo settings. Either empty amino-functionalized CNTs [SWCNT-NH2 (1)] or samarium chloride-filled amino-functionalized CNTs with [SmCl3@SWCNT-mAb (3)] or without [SmCl3@SWCNT-NH2 (2)] Cetuximab functionalization were tested. Conjugates were added to RAW 264.7 or PBMC cells in a range of 1 μg/ml to 100 μg/ml for 24 h. Cell viability and IL-6/TNFα production were determined by flow cytometry and ELISA...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28188495/cancer-treatment-and-the-kir-hla-system-an-overview
#2
REVIEW
Patrizia Leone, Valli De Re, Angelo Vacca, Franco Dammacco, Vito Racanelli
Accumulating evidence indicates that the success of cancer therapy depends not only on a combination of adequate procedures (surgery, chemotherapy and radiotherapy) that aim to eliminate all tumor cells, but also on the functional state of the host immune system. HLA and KIR molecules, in particular, are critical to the interactions between tumor cells and both innate and adaptive immune cells such as NK cells and T cells. Different KIR-HLA gene combinations as well as different HLA expression levels on tumor cells associate with variable tumor prognosis and response to treatment...
February 10, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/28137295/a-phase-ii-trial-of-stereotactic-body-radiotherapy-with-concurrent-anti-pd1-treatment-in-metastatic-melanoma-evaluation-of-clinical-and-immunologic-response
#3
Katrien De Wolf, Vibeke Kruse, Nora Sundahl, Mireille van Gele, Ines Chevolet, Reinhart Speeckaert, Lieve Brochez, Piet Ost
BACKGROUND: Antibodies blocking programmed cell death 1 (PD-1) have encouraging responses in patients with metastatic melanoma. Response to anti-PD-1 treatment requires pre-existing CD8+ T cells that are negatively regulated by PD-1-mediated adaptive immune resistance. Unfortunately, less than half of melanoma tumours have these characteristics. Combining anti-PD-1 treatment with other immunomodulating treatments to activate CD8+ T cells is therefore of vital importance to increase response rates and long-term survival benefit in melanoma patients...
January 31, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28126499/bacillus-calmette-guerin-improves-local-and-systemic-response-to-radiotherapy-in-invasive-bladder-cancer
#4
Barbara Prack Mc Cormick, Denise Belgorosky, Yanina Langle, Natalia Balarino, Eduardo Sandes, Ana María Eiján
BACKGROUND: A key factor contributing to radio-resistance in conservative invasive bladder cancer (BCa) treatment is tumor hypoxia and a strategy to overcome it is to trigger the production of nitric oxide (NO). On the other hand, ionizing radiation (IR) applied to a primary tumor can induce immunogenic cell death which may set off a cytotoxic immune response against the primary tumor and its metastasis. PURPOSE: To study in vitro and in vivo, the role of BCG as a local sensitizer to overcome hypoxia-associated radio-resistance through the production of NO, and as an immune-stimulator to be used in combination with IR to generate a local tumor vaccine for invasive BCa treatment...
January 23, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28088309/-new-therapy-outlooks-in-hodgkin-lymphoma
#5
REVIEW
Cédric Rossi, René-Olivier Casasnovas
Classical Hodgkin lymphoma (HL) is a curable disease in 80% of advanced and 90% of localized stages. An improvement of the HL curability is still possible with the emergence of first-line therapy with a better balance between efficacy and toxicity and early identification patients with high risk of failure requiring specific treatment. 18FDG PET-CT gained a major role in the baseline staging and response assessment to HL treatment. The prognostic value of early PET-CT allowed to develop PET-CT guided therapies able to optimize the balance between efficacy and toxicity including the modulation of the chemotherapy intensity or the omission of radiotherapy for some localized diseases...
February 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28072717/clinics-prognosis-and-new-therapeutic-options-in-patients-with-mucosal-melanoma-a-retrospective-analysis-of-75-patients
#6
Tim Schaefer, Imke Satzger, Ralf Gutzmer
Mucosal melanomas represent a rare entity with different risk factors and molecular features compared to cutaneous melanomas. They arise most commonly from mucosal surfaces in the head/neck region, the female genital tract (FGT) and the anorectal region. The aim of this study was to evaluate clinics, prognosis, and treatment options of patients with mucosal melanoma, in particular with regard to different primary sites.We retrospectively analyzed 75 patients with mucosal melanomas diagnosed in the years 1993 to 2015 in our department...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28048236/su-f-r-01-preclinical-radioimmunogenomics-study-to-design-personalized-radiotherapy
#7
H Abdollahi
PURPOSE: Radiogenomics is an active area of research to find clinical correlation between genomics and radiotherapy outcomes. In this era, many different biological issues should be taken into account. In this study we aimed to introduce "Radioimmunogenomics" as a new approach to study immunogetics issue regard to radiotherapy induced clinical manifestations. METHODS: We studied different immunological pathways and signaling molecules which underling radiation response of normal and malignant tissues...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046333/su-f-t-681-does-the-biophysical-modeling-for-immunological-aspects-in-radiotherapy-precisely-predict-tumor-and-normal-tissue-responses
#8
M Oita, K Nakata, M Sasaki, M Tominaga, H Aoyama, H Honda, Y Uto
PURPOSE: Recent advances in immunotherapy make possible to combine with radiotherapy. The aim of this study was to assess the TCP/NTCP model with immunological aspects including stochastic distribution as intercellular uncertainties. METHODS: In the clinical treatment planning system (Eclipse ver.11.0, Varian medical systems, US), biological parameters such as α/β, D50, γ, n, m, TD50 including repair parameters (bi-exponential repair) can be set as any given values to calculate the TCP/NTCP...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28027103/neoadjuvant-approach-for-nonsmall-cell-lung-cancer-overview-of-the-current-issues
#9
Giulio Francolini, Katia Ferrari, Vieri Scotti
PURPOSE OF REVIEW: Despite the large numbers of studies, role of neoadjuvant chemotherapy and neoadjuvant chemoradiotherapy is debated. This approach would increase resectability in locally advanced patients, and improve surgical outcome in resectable patients. Thus, an overview of recent literature is relevant to highlight the current issues. RECENT FINDINGS: Literature in the previous year mainly focused on overall treatment strategy, radiotherapy technique, role of radiological response and metabolic imaging, and biological agents in this setting...
March 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/27942918/immunological-low-dose-radiation-modulates-the-pediatric-medulloblastoma-antigens-and-enhances-antibody-dependent-cellular-cytotoxicity
#10
Arabinda Das, Daniel McDonald, Stephen Lowe, Amy-Lee Bredlau, Kenneth Vanek, Sunil J Patel, Samuel Cheshier, Ramin Eskandari
BACKGROUND: Immunotherapy can be an effective treatment for pediatric medulloblastoma (MB) patients. However, major subpopulations do not respond to immunotherapy, due to the lack of antigenic mutations or the immune-evasive properties of MB cells. Clinical observations suggest that radiation therapy (RT) may expand the therapeutic reach of immunotherapy. The aim of the present investigation is to study the effect of low-dose X-ray radiation (LDXR, 1 Gy) on the functional immunological responses of MB cells (DAOY, D283, and D341)...
December 9, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27881982/milestones-of-hematopoietic-stem-cell-transplantation-from-first-human-studies-to-current-developments
#11
REVIEW
Mateja Kralj Juric, Sakhila Ghimire, Justyna Ogonek, Eva M Weissinger, Ernst Holler, Jon J van Rood, Machteld Oudshoorn, Anne Dickinson, Hildegard T Greinix
Since the early beginnings, in the 1950s, hematopoietic stem cell transplantation (HSCT) has become an established curative treatment for an increasing number of patients with life-threatening hematological, oncological, hereditary, and immunological diseases. This has become possible due to worldwide efforts of preclinical and clinical research focusing on issues of transplant immunology, reduction of transplant-associated morbidity, and mortality and efficient malignant disease eradication. The latter has been accomplished by potent graft-versus-leukemia (GvL) effector cells contained in the stem cell graft...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27823645/neuroblastoma-peripheral-neuroblastic-tumours
#12
REVIEW
Roberto Luksch, Maria Rita Castellani, Paola Collini, Bruno De Bernardi, Massimo Conte, Claudio Gambini, Lorenza Gandola, Alberto Garaventa, Davide Biasoni, Marta Podda, Angela Rita Sementa, Gemma Gatta, Gian Paolo Tonini
Peripheral neuroblastic tumours (PNTs), a family of tumours arising in the embryonal remnants of the sympathetic nervous system, account for 7-10% of all tumours in children. In two-thirds of cases, PNTs originate in the adrenal glands or the retroperitoneal ganglia. At least one third present metastases at onset, with bone and bone marrow being the most frequent metastatic sites. Disease extension, MYCN oncogene status and age are the most relevant prognostic factors, and their influence on outcome have been considered in the design of the recent treatment protocols...
November 2016: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/27814617/tumor-abolition-and-antitumor-immunostimulation-by-physico-chemical-tumor%C3%A2-ablation
#13
Yona Keisari
Tumor ablation by thermal, chemical and radiological sources has received substantial attention for the treatment of many localized malignancies. The primary goal of most ablation procedures is to eradicate all viable malignant cells within a designated target volume through the application of energy or chemicals. Methods such as radiotherapy, chemical and biological ablation, photodynamic therapy, cryoablation, high-temperature ablation (radiofrequency, microwave, laser, and ultrasound), and electric-based ablation have been developed for focal malignancies...
January 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/27813697/radioprotective-effect-of-green-tea-and-grape-seed-extracts-mixture-on-gamma-irradiation-induced-immune-suppression-in-male-albino-rats
#14
W El-Desouky, A H Mahmoud, M M Abbas
: Green tea extract (GTE) and grape seed extract (GSE) have antioxidant and radioprotective effects. The current study aimed to investigate the radioprotective effect of GTE and GSE mixture on radiation induced immune suppression in rats. METHOD: 35 male albino rats were divided into five groups: group 1 (control rats). The 2(nd) and 3(rd) groups rats were exposed to a single dose of gamma radiation (5 and 10Gy) respectively. The 4(th) and 5(th) groups of rats were gamma irradiated with 5 and 10Gy respectively, then administrated by gavage with GTE and GSE mixture (100 mg: 200 mg/kg B...
November 4, 2016: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/27803050/immunological-mechanisms-underneath-the-efficacy-of-cancer-therapy
#15
REVIEW
Lorenzo Galluzzi, Laurence Zitvogel, Guido Kroemer
Accumulating preclinical and clinical evidence indicates that the success of several anticancer agents-including some conventional chemotherapeutics, targeted anticancer agents as well as specific forms of radiotherapy-depends (at least in part) on their ability to stimulate anticancer immune responses. Such immunostimulatory effects can be "on-target," i.e., they originate within cancer cells, or "off-target," i.e., they develop from a heretofore unsuspected interaction between cancer therapy and the immune system...
November 2016: Cancer Immunology Research
https://www.readbyqxmd.com/read/27791459/tumor-infiltrating-t-lymphocytes-expressing-foxp3-ccr7-or-pd-1-predict-the-outcome-of-prostate-cancer-patients-subjected-to-salvage-radiotherapy-after-biochemical-relapse
#16
Valerio Nardone, Cirino Botta, Michele Caraglia, Elodia Claudia Martino, Maria Raffaella Ambrosio, Tommaso Carfagno, Paolo Tini, Leonardo Semeraro, Gabriella Misso, Anna Grimaldi, Mariarosaria Boccellino, Gaetano Facchini, Massimiliano Berretta, Gianluca Vischi, Bruno Jim Rocca, Aurora Barone, Pierfrancesco Tassone, Pierosandro Tagliaferri, Maria Teresa Del Vecchio, Luigi Pirtoli, Pierpaolo Correale
Tumor immunologic microenvironment is strongly involved in tumor progression and the presence of tumor infiltrating lymphocytes (TIL) with different phenotypes has been demonstrated to be of prognostic relevance in different malignancies. We investigated whether TIL infiltration of tumor tissues could also predict the outcome of prostate cancer patients. To this end, we carried out a retrospective analysis correlating the outcome of locally advanced prostate cancer patients undergone salvage radiotherapy upon relapse after radical surgery with the infiltration by different TIL populations...
November 2016: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/27765756/safety-and-efficacy-of-nivolumab-and-standard-chemotherapy-drug-combination-in-patients-with-advanced-non-small-cell-lung-cancer-a-four-arms-phase-ib-study
#17
S Kanda, K Goto, H Shiraishi, E Kubo, A Tanaka, H Utsumi, K Sunami, S Kitazono, H Mizugaki, H Horinouchi, Y Fujiwara, H Nokihara, N Yamamoto, H Hozumi, T Tamura
BACKGROUND: The human IgG4 monoclonal antibody nivolumab targets programmed cell death-1 (PD-1) and promotes antitumor response by blocking the interaction of PD-1 with its ligands. This single-center phase Ib study investigated the tolerability, safety, and pharmacokinetics of nivolumab combined with standard chemotherapy in patients with advanced non-small-cell lung cancer (NSCLC). PATIENTS AND METHODS: Patients who had stage IIIB without indication for definitive radiotherapy, stage IV, or recurrent NSCLC were eligible...
December 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/27743027/rationale-and-evidence-to-combine-radiation-therapy-and-immunotherapy-for-cancer-treatment
#18
Dan Ishihara, Laurentiu Pop, Tsuguhide Takeshima, Puneeth Iyengar, Raquibul Hannan
Cancer immunotherapy exploits the immune system's ability to differentiate between tumor target cells and host cells. Except for limited success against a few tumor types, most immunotherapies have not achieved the desired clinical efficacy until recently. The field of cancer immunotherapy has flourished with a variety of new agents for clinical use, and remarkable progress has been made in the design of effective immunotherapeutic regimens. Furthermore, the therapeutic outcome of these novel agents is enhanced when combined with conventional cancer treatment modalities including radiotherapy (RT)...
October 14, 2016: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/27708204/evidence-for-the-efficacy-of-immunotherapy-in-children-with-high-risk-neuroblastoma
#19
Elwira Szychot, Jarosław Peregud-Pogorzelski, Paweł Wawryków, Andrzej Brodkiewicz
Neuroblastoma is the most common extra-cranial malignancy of childhood, with the highest incidence in children younger than 4 years. The prognosis depends on many factors, such as age at diagnosis, stage of disease and molecular genetic subtype. More than 50% of children who present with the disease are deemed to have high-risk neuroblastoma. The standard therapy for children with high-risk neuroblastoma consists of intensive chemotherapy, surgery, radiotherapy, myeloablative consolidation with autologous haematopoietic stem cell rescue followed by the treatment of minimal residual disease with 13-cis-retinoic acid...
September 28, 2016: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/27669501/cd8-t-cell-response-to-human-papillomavirus-16-e7-is-able-to-predict-survival-outcome-in-oropharyngeal-cancer
#20
Liam Masterson, Matt Lechner, Sarah Loewenbein, Hassan Mohammed, Cameron Davies-Husband, Tim Fenton, Holger Sudhoff, Piyush Jani, Peter Goon, Jane Sterling
INTRODUCTION: Immunological response to human papillomavirus (HPV) in the development and progression of HPV16+ oropharyngeal squamous cell carcinoma (OPSCC) (accounting for the majority of viral associated cases) is largely unknown and may provide important insights for new therapeutic strategies. METHODS: In this prospective clinical trial (UKCRN11945), we examined cell-mediated immune responses to HPV16 E2, E6 and E7 in peripheral blood using IFN-γ enzyme-linked immunosorbent spot assay...
November 2016: European Journal of Cancer
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