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https://www.readbyqxmd.com/read/28726491/interview-with-thomas-powles-the-use-of-durvalumab-in-urothelial-cancer-the-latest-strides-in-immuno-oncology
#1
Thomas Powles
Thomas Powles speaks to Sebastian Dennis-Beron, Commissioning Editor: Dr. Thomas Powles is a clinical professor of genitourinary oncology and the lead for solid tumor research at Barts Cancer Institute in London. His main research interests are in genital and urinary cancers, in which he leads a spectrum of clinical studies from Phase I to randomized Phase III investigating novel targeted and immune therapies. His research also focuses on correlation of novel biomarkers and aims to define markers with prognostic value that may predict response or resistance to therapy...
July 20, 2017: Future Oncology
https://www.readbyqxmd.com/read/28723711/epidemiology-of-autoimmune-and-inflammatory-diseases-in-a-french-nationwide-hiv-cohort
#2
D Lebrun, M Hentzien, L Cuzin, D Rey, V Joly, L Cotte, C Allavena, P Dellamonica, A Servettaz, F Bani-Sadr
HIV infection and inflammatory and autoimmune diseases (IAD) are both related to immune dysfunction. Epidemiological data on IAD in patients living with HIV (PLHIV) are scarce. The aim of this study was thus to estimate the prevalence of 26 IAD among PLHIV followed in a large French multicenter cohort in the cART era (from January 2000 to July 2013), and to describe their occurrence according to cART onset, the immuno-virological status of patients and HCV and/or HBV co-infection.During the study period, 33 403 PLHIV were included in the Dat'AIDS cohort; 1381 patients with an IAD were identified...
July 18, 2017: AIDS
https://www.readbyqxmd.com/read/28721731/self-assembled-injectable-peptide-hydrogels-capable-of-triggering-antitumor-immune-response
#3
Ruirui Xing, Shukun Li, Ning Zhang, Guizhi Shen, Helmuth Möhwald, Xuehai Yan
Self-assembled peptide hydrogels are particularly appealing for drug delivery, tissue engineering, and anti-tumor therapy due to various advantageous features including excellent biocompatibility and biodegradability, defined molecular and higher organized structures and easy availability. However, the poor mechanical and rheological properties of assembled peptide hydrogels cause difficulties in injection, thus limiting further applications. Herein, injectable peptide-based hydrogels with tunable mechanical and rheological properties were obtained by combination with a positively charged poly-peptide (poly-L-lysine, PLL)...
July 19, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28718997/mesenchymal-stem-cell-derived-factors-immuno-modulatory-effects-and-therapeutic-potential
#4
REVIEW
Vladislav Volarevic, Marina Gazdic, Bojana Simovic Markovic, Nemanja Jovicic, Valentin Djonov, Nebojsa Arsenijevic
Stem cell-based therapy is considered to be a new hope in transplantation medicine. Among stem cells, mesenchymal stem cells (MSCs) are, due to their differentiation and immuno-modulatory characteristics, the most commonly used as therapeutic agents in the treatment of immune-mediated diseases. MSCs migrate to the site of inflammation and modulate immune response. The capacity of MSC to alter phenotype and function of immune cells are largely due to the production of soluble factors which expression varies depending on the pathologic condition to which MSCs are exposed...
July 18, 2017: BioFactors
https://www.readbyqxmd.com/read/28718806/the-inhibitory-activity-of-luzonicosides-from-the-starfish-echinaster-luzonicus-against-human-melanoma-cells
#5
Olesya S Malyarenko, Sergey A Dyshlovoy, Alla A Kicha, Natalia V Ivanchina, Timofey V Malyarenko, Bokemeyer Carsten, von Amsberg Gunhild, Valentin A Stonik, Svetlana P Ermakova
Malignant melanoma is the most dangerous form of skin cancer, with a rapidly increasing incidence rate. Despite recent advances in melanoma research following the approval of several novel targeted and immuno-therapies, the majority of oncological patients will ultimately perish from the disease. Thus, new effective drugs are still required. Starfish steroid glycosides possess different biological activities, including antitumor activity. The current study focused on the determination of the in vitro inhibitory activity and the mechanism of action of cyclic steroid glycosides isolated from the starfish Echinaster luzonicus-luzonicoside A (LuzA) and luzonicoside D (LuzD)-in human melanoma RPMI-7951 and SK-Mel-28 cell lines...
July 18, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28716107/biomarkers-of-resistance-to-radiation-therapy-a-prospective-study-in-cervical-carcinoma
#6
P Moreno-Acosta, A Vallard, S Carrillo, O Gamboa, A Romero-Rojas, M Molano, J Acosta, D Mayorga, C Rancoule, M A Garcia, M Cotes Mestre, N Magné
BACKGROUND: Clinical parameters and proteins have recently been suggested as possible causes of radiotherapy (RT) resistance in cervical carcinoma (CC). The objective of the present study was to validate prognostic biomarkers of radiation resistance. METHODS: The present prospective study included patients undergoing RT with curative intent for histologically proven locally advanced squamous cell CC. Tissues and blood samples were systematically collected before RT initiation...
July 17, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28713749/mucormycosis-of-the-frontal-sinus-a-rare-case-report-and-review
#7
Nanda Kishore Sahoo, Vishal Kulkarni, Amit K Bhandari, Arun Kumar
Mucormycosis of the frontal sinus are rarely seen in day to day clinical practice. Although this fungus is commonly found in the environment, the disease is usually prevented by the immune system and is hence rare. Well-recognized risk factors for the disease include diabetes mellitus, leukemia, aplastic anemia, myelodysplastic syndrome, blood dyscrasias, and immunosuppressive therapy in organ transplantation, renal disease, sepsis, and severe burns. The disease is primarily found in those who are immunocompromised, but it may also manifest in immuno competent persons...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28711285/anti-il-21-monoclonal-antibody-combined-with-liraglutide-effectively-reverses-established-hyperglycemia-in-mouse-models-of-type-1-diabetes
#8
Anna K Rydén, Nikole R Perdue, Philippe P Pagni, Claire B Gibson, Sowbarnika S Ratliff, Rikke K Kirk, Travis J Friesen, Claus Haase, Ken Coppieters, Matthias G von Herrath, Tamar E Boursalian
Immunotherapy for type 1 diabetes (T1D) has previously focused on suppressing the autoimmune response against pancreatic beta cells to preserve endogenous insulin production and regulate glucose levels. With increased attention toward combination therapy strategies, studies indicate the multifunctional cytokine interleukin-21 (IL-21) may be a suitable target as an immuno-modulatory arm, while glucagon-like peptide-1 receptor (GLP-1R) agonists may be appropriate as a beta cell protective arm in combination therapy for T1D...
July 12, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28709495/unusual-case-of-coexistent-pulmonary-cryptococcosis-and-tuberculosis-in-an-immuno-competent-host
#9
Sunila Jain, Vrushali Mahajan, Arvind Kumar
Coexistence of pulmonary cryptococcosis with other infections has commonly been described in immuno-suppressed individuals. In immuno-competent hosts, such coexistence is rare and mostly described in disseminated disease or uncommonly involving different sites. The simultaneous coinfection of cryptococcosis and tuberculosis of lung in an immuno-competent host is extremely rare with only one previously reported case in the literature. This is the second such case and the first to be reported in India. We describe a case of a 36-year-old immuno-competent male who presented with haemoptysis and cough...
July 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28706516/applying-precision-medicine-and-immunotherapy-advances-from-oncology-to-host-directed-therapies-for-infectious-diseases
#10
Robert N Mahon, Richard Hafner
To meet the challenges of increasing antimicrobial resistance, the infectious disease community needs innovative therapeutics. Precision medicine and immunotherapies are transforming cancer therapeutics by targeting the regulatory signaling pathways that are involved not only in malignancies but also in the metabolic and immunologic function of the tumor microenvironment. Infectious diseases target many of the same regulatory pathways as they modulate host metabolic functions for their own nutritional requirements and to impede host immunity...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28705005/radiation-therapy-in-the-management-of-pancreatic-adenocarcinoma-review-of-current-evidence-and-future-opportunities
#11
Tyler P Robin, Karyn A Goodman
The role of radiation therapy for pancreatic cancer is rapidly evolving in every stage of this disease. In resectable disease, there is conflicting evidence for adjuvant therapy, but an ongoing randomized cooperative group trial is attempting to define the role of adjuvant chemoradiation with modern systemic therapies and radiation techniques with an emphasis on radiation quality assurance. In borderline resectable pancreatic cancer (BRPC), there is an emerging body of literature demonstrating the success of neoadjuvant stereotactic body radiation therapy (SBRT) and a randomized cooperative group trial is actively accruing...
June 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28691437/hiv-misdiagnosis-in-sub-saharan-africa-performance-of-diagnostic-algorithms-at-six-testing-sites
#12
REVIEW
Cara S Kosack, Leslie Shanks, Greet Beelaert, Tumwesigye Benson, Aboubacar Savane, Anne Ng'ang'a, Bita Andre, Jean-Paul Bn Zahinda, Katrien Fransen, Anne-Laure Page
INTRODUCTION: We evaluated the diagnostic accuracy of HIV testing algorithms at six programmes in five sub-Saharan African countries. METHODS: In this prospective multisite diagnostic evaluation study (Conakry, Guinea; Kitgum, Uganda; Arua, Uganda; Homa Bay, Kenya; Doula, Cameroun and Baraka, Democratic Republic of Congo), samples from clients (greater than equal to five years of age) testing for HIV were collected and compared to a state-of-the-art algorithm from the AIDS reference laboratory at the Institute of Tropical Medicine, Belgium...
July 3, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28689001/immuno-oncologic-approaches-car-t-cells-and-checkpoint-inhibitors
#13
REVIEW
Francesca Gay, Mattia D'Agostino, Luisa Giaccone, Mariella Genuardi, Moreno Festuccia, Mario Boccadoro, Benedetto Bruno
Advances in understanding myeloma biology have shown that disease progression is not only the consequence of intrinsic tumor changes but also of interactions between the tumor and the microenvironment in which the cancer grows. The immune system is an important component of the tumor microenvironment in myeloma, and acting on the immune system is an appealing new treatment strategy. There are 2 ways to act toward immune cells and boost antitumor immunity: (1) to increase antitumor activity (acting on T and NK cytotoxic cells), and (2) to reduce immunosuppression (acting on myeloid-derived stem cells and T regulatory cells)...
June 17, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28687423/an-increase-of-sigma-1-receptor-in-the-penumbra-neuron-after-acute-ischemic-stroke
#14
Xiaotian Zhang, Fangfang Wu, Yun Jiao, Tianyu Tang, Li Yang, Chunqiang Lu, Yanhong Zhang, Yuan Zhang, Ying Bai, Jie Chao, Gaojun Teng, Honghong Yao
BACKGROUND: Penumbra salvage from infarction by early reperfusion within the time window is the target of acute ischemic stroke therapies. Although the penumbral imaging is potently usable in clinic trial, additional work needs to be performed to advancing the field with better-defined, evaluated, and validated imaging measures. METHODS: Mice were subjected to permanent stroke by right middle cerebral artery (MCA) occlusion. Multimodel magnetic resonance imaging (MRI) method was assessed to define the penumbra as that brain region in which the perfusion and diffusion-weighted MR images are mismatched (perfusion-weighted imaging [PWI]-diffusion-weighted imaging [DWI] mismatch)...
July 4, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28681207/optimal-therapy-of-advanced-stage-mesothelioma
#15
REVIEW
Maria M J Disselhorst, Sjaak J A Burgers, Paul Baas
The optimal treatment of patients with advanced malignant pleural mesothelioma (MPM) has not yet been discovered. With the aid of an increased insight in the molecular pathways and the development of combinations of Immuno-Oncology (IO), drugs new therapies are available. The personalization of treatment by cell cultures and pathway analysis attracts more attention nowadays. It is conceivable that in the near future the treatment of patients with MPM will consist of a combination of IO drugs or specific pathway inhibitors...
August 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28670638/a-comparison-of-rapid-diagnostic-testing-by-plasmodium-lactate-dehydrogenase-and-quantitative-buffy-coat-technique-in-malaria-diagnosis-in-children
#16
Ifeanyi Kanayo Ifeorah, Biobele J Brown, Olugbemiro O Sodeinde
BACKGROUND: The World Health Organization (WHO) considers early and rapid diagnosis as one of the strategies to control malaria. This study compared the performance of Quantitative Buffy Coat (QBC) test and the Plasmodium lactate dehydrogenase (pLDH) rapid diagnostic test (RDT) with microscopy as the gold standard. MATERIALS AND METHODS: The study involved children ages 0-5 years who presented with a history of fever at the University College Hospital, Ibadan, Nigeria...
2017: African Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28669815/immuno-proteomic-discovery-of-tumor-tissue-autoantigens-identifies-olfactomedin-4-cd11b-and-integrin-alpha-2-as-markers-of-colorectal-cancer-with-liver-metastases
#17
Qian Yang, Prashant Bavi, Julia Y Wang, Michael H Roehrl
Late-stage colorectal cancer with liver metastasis is common and affords poor prognosis, yet there is a dearth of reliable biomarkers. Cancer is often characterized by an increase in serologic autoantibodies. Hence, we embarked on an immuno-proteomic strategy by using autoantibodies to discover antigens in tumor tissue as potential cancer markers. Matched sets of tissues from primary colon cancer, liver metastases, and adjacent benign tissues were obtained from colon cancer patients. Tissue proteins were extracted, and autoantigens were uncovered by immunoblotting with autoantibodies and sequenced by mass spectrometry...
June 29, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28669561/effects-of-icariin-on-asthma-mouse-model-are-associated-with-regulation-of-prostaglandin-d2-level
#18
J Qiao, S Sun, L Yuan, J Wang
BACKGROUND: We aimed to observe the effect of icariin on an asthma mouse model and explore the potential underlying mechanisms. METHODS: The asthma mouse model was established by ovalbumin (OVA) sensitisation and respiratory syncytial virus (RSV) infection and then treated with icariin. Airway resistance was assessed by whole body plethysmograph. In addition, pathological slides were stained with haematoxylin-eosin, and the peribronchial inflammation was observed microscopically...
June 29, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28666979/predicting-the-response-to-ctla-4-blockade-by-longitudinal-noninvasive-monitoring-of-cd8-t-cells
#19
Mohammad Rashidian, Jessica R Ingram, Michael Dougan, Anushka Dongre, Katherine A Whang, Camille LeGall, Juan J Cragnolini, Brian Bierie, Monica Gostissa, James Gorman, Gijsbert M Grotenbreg, Atul Bhan, Robert A Weinberg, Hidde L Ploegh
Immunotherapy using checkpoint-blocking antibodies against targets such as CTLA-4 and PD-1 can cure melanoma and non-small cell lung cancer in a subset of patients. The presence of CD8 T cells in the tumor correlates with improved survival. We show that immuno-positron emission tomography (immuno-PET) can visualize tumors by detecting infiltrating lymphocytes and, through longitudinal observation of individual animals, distinguish responding tumors from those that do not respond to therapy. We used (89)Zr-labeled PEGylated single-domain antibody fragments (VHHs) specific for CD8 to track the presence of intratumoral CD8(+) T cells in the immunotherapy-susceptible B16 melanoma model in response to checkpoint blockade...
June 30, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28663235/immunotherapy-of-prostate-cancer-facts-and-hopes
#20
Marijo Bilusic, Ravi A Madan, James L Gulley
In the last few years immunotherapy has become an important cancer treatment modality and while the principles of immunotherapy evolved over many decades, the FDA approvals of sipuleucel-T and ipilimumab began a new wave in immuno-oncology. Despite the current enthusiasm, it is unlikely that any of the immunotherapeutics alone can dramatically change prostate cancer outcomes, but combination strategies are more promising and provide a reason for optimism. Several completed and ongoing studies have shown that the combination of cancer vaccines or checkpoint inhibitors with different immunotherapeutic agents, hormonal therapy (enzalutamide), radiation therapy (radium 223), DNA-damaging agents (olaparib), or chemotherapy (docetaxel) can enhance immune responses and induce more dramatic, long-lasting clinical responses without significant toxicity...
June 29, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
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