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https://www.readbyqxmd.com/read/29329556/cancer-immunotherapy-beyond-immune-checkpoint-inhibitors
#1
REVIEW
Julian A Marin-Acevedo, Aixa E Soyano, Bhagirathbhai Dholaria, Keith L Knutson, Yanyan Lou
Malignant cells have the capacity to rapidly grow exponentially and spread in part by suppressing, evading, and exploiting the host immune system. Immunotherapy is a form of oncologic treatment directed towards enhancing the host immune system against cancer. In recent years, manipulation of immune checkpoints or pathways has emerged as an important and effective form of immunotherapy. Agents that target cytotoxic T lymphocyte-associated molecule-4 (CTLA-4), programmed cell death receptor-1 (PD-1), and programmed cell death ligand-1 (PD-L1) are the most widely studied and recognized...
January 12, 2018: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/29320494/sexually-transmitted-infections-in-the-era-of-antiretroviral-based-hiv-prevention-priorities-for-discovery-research-implementation-science-and-community-involvement
#2
Jeanne M Marrazzo, Julia C Dombrowski, Kenneth H Mayer
Jeanne M. Marrazzo and colleagues join PLOS Medicine's Collection on the prevention, diagnosis, and treatment of STIs with a Perspective on HIV research imperatives in our time of effective viral suppression and pre-exposure prophylaxis.
January 2018: PLoS Medicine
https://www.readbyqxmd.com/read/29307306/viruses-bacteria-and-parasites-oh-my-a-resurgence-of-interest-in-microbial-based-therapy-for-cancer
#3
EDITORIAL
Andrew Zloza
As infections and cancer are two of the most common maladies affecting human beings, a concerted effort is needed to better understand their potential interactions and to further explore their use in microbial-based cancer treatments. Studies focusing on the interaction between pathogens and cancer began over 4000 years ago, but therapeutic application of pathogens has often been bypassed as other cancer therapies have gained wider interest. To many, the field of microbial-based cancer treatment may feel antiquated and already sufficiently explored...
January 8, 2018: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/29304745/characteristics-of-wild-polio-virus-outbreak-investigation-and-response-in-ethiopia-in-2013-2014-implications-for-prevention-of-outbreaks-due-to-importations
#4
Ayesheshem Ademe Tegegne, Fiona Braka, Meseret Eshetu Shebeshi, Aron Kassahun Aregay, Berhane Beyene, Amare Mengistu Mersha, Mohammed Ademe, Abdulahi Muhyadin, Dadi Jima, Abyot Bekele Wyessa
BACKGROUND: Ethiopia joined the Global Polio Eradication Initiative (GPEI) in 1996, and by the end of December 2001 circulation of indigenous Wild Polio Virus (WPV) had been interrupted. Nonetheless, the country experienced multiple importations during 2004-2008, and in 2013. We characterize the 2013 outbreak investigations and response activities, and document lessons learned. METHOD: The data were pulled from different field investigation reports and from the national surveillance database for Acute Flaccid Paralysis (AFP)...
January 5, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29287110/the-role-of-host-dna-ligases-in-hepadnavirus-covalently-closed-circular-dna-formation
#5
Quanxin Long, Ran Yan, Jieli Hu, Dawei Cai, Bidisha Mitra, Elena S Kim, Alexander Marchetti, Hu Zhang, Soujuan Wang, Yuanjie Liu, Ailong Huang, Haitao Guo
Hepadnavirus covalently closed circular (ccc) DNA is the bona fide viral transcription template, which plays a pivotal role in viral infection and persistence. Upon infection, the non-replicative cccDNA is converted from the incoming and de novo synthesized viral genomic relaxed circular (rc) DNA, presumably through employment of the host cell's DNA repair mechanisms in the nucleus. The conversion of rcDNA into cccDNA requires preparation of the extremities at the nick/gap regions of rcDNA for strand ligation...
December 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/29278755/molecular-characterization-and-phylogenetic-analysis-of-clostridium-perfringens-from-animals-and-their-environments-by-cpn60-ut-sequencing-analysis
#6
Shreya Das, Saugata Majumder, Chetna Mathur, Joseph Kingston J
Clostridium perfringens an ubiquitous environmental bacterium causes major food borne illnesses, digestive diseases and several soft tissue infections in humans and animals. In the present study, toxin typing of 91 C. perfringens isolates from animals with enteric diseases and their environments revealed the presence of type A and C strains. Enterotoxin gene (cpe), responsible for majority of the food poisoning incidences in humans and enteric infections in animals was present in 60.43% of the isolates of which 61...
December 23, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29250325/modern-biotechnology-based-therapeutic-approaches-against-hiv-infection
#7
Muhammad Imran, Yasir Waheed, Ayesha Ghazal, Sajjad Ullah, Sher Zaman Safi, Muhsin Jamal, Muhammad Ali, Muhammad Atif, Muhammad Imran, Farman Ullah
The causative agent of acquired immune deficiency syndrome (AIDS) is human immunodeficiency virus (HIV). Since its discovery before 30 years, a number of drugs known as highly active antiretroviral therapy have been developed to suppress the life cycle of the virus at different stages. With the current therapeutic approaches, ending AIDS means providing treatment to 35 million individuals living with HIV for the rest of their lives or until a cure is developed. Additionally, therapy is associated with various other challenges such as potential of drug resistance, toxicity and presence of latent viral reservoir...
December 2017: Biomedical Reports
https://www.readbyqxmd.com/read/29244859/the-second-molecular-epidemiological-study-of-hiv-infection-in-mongolia-between-2010-and-2016
#8
Davaalkham Jagdagsuren, Tsunefusa Hayashida, Misao Takano, Erdenetuya Gombo, Setsen Zayasaikhan, Naomi Kanayama, Kiyoto Tsuchiya, Shinichi Oka
OBJECTIVE: Our previous 2005-2009 molecular epidemiological study in Mongolia identified a hot spot of HIV-1 transmission in men who have sex with men (MSM). To control the infection, we collaborated with NGOs to promote safer sex and HIV testing since mid-2010. In this study, we carried out the second molecular epidemiological survey between 2010 and 2016 to determine the status of HIV-1 infection in Mongolia. METHODS: The study included 143 new cases of HIV-1 infection...
2017: PloS One
https://www.readbyqxmd.com/read/29238359/mapping-x-disease-phytoplasma-resistance-in-prunus-virginiana
#9
Ryan R Lenz, Wenhao Dai
Phytoplasmas such as "Candidatus Phytoplasma pruni," the causal agent of X-disease of stone fruits, lack detailed biological analysis. This has limited the understanding of plant resistance mechanisms. Chokecherry (Prunus virginiana L.) is a promising model to be used for the plant-phytoplasma interaction due to its documented ability to resist X-disease infection. A consensus chokecherry genetic map "Cho" was developed with JoinMap 4.0 by joining two parental maps. The new map contains a complete set of 16 linkage groups, spanning a genetic distance of 2,172 cM with an average marker density of 3...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29226390/decision-shaping-neutrophil-platelet-interplay-in-inflammation-from-physiology-to-intervention
#10
REVIEW
Oliver Soehnlein
Inflammation is a well-coordinated process in response to tissue injury or infection aimed at restoration of tissue homeostasis. Platelets and neutrophils are typically viewed important in the context of hemostasis and bacterial killing, respectively. However, as these cells are equipped with readily available armory both have received much attention for their importance in shaping the early inflammatory reaction in recent years. While some of these activities are executed individually, both cells join forces during much of their pro-inflammatory activities...
December 11, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29220594/modification-of-immunological-features-in-human-platelets-during-sepsis
#11
Valle-Jiménez Xareni Raque, Sánchez-García Juan Carlos, Revilla-Rodríguez Eduardo, Baltierrez-Hoyos Rafael, Romero-Tlalolini María de Los Ángeles, Ramírez-Cosmes Adriana, Torres-Aguilar Honorio, Bustos-Arriaga José, Aguilar-Ruiz Sergio Roberto
Sepsis is an organic dysfunction that puts at risk the life of patients suffering this disorder due to an exacerbated immunological response to the infection mediated by the host. Platelets have been largely researched on sepsis owing to its role in Disseminated Intracellular Coagulation (DIC) and because thrombocytopenia is an important clinical feature of these patients. Nevertheless, a great number of evidence shows that platelets have also an important role in immunological response since they have pattern recognition receptors, chemokine receptors and granules with stored soluble mediators...
December 8, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/29216396/short-term-efficacy-and-safety-of-rituximab-therapy-in-refractory-systemic-lupus-erythematosus-results-from-the-british-isles-lupus-assessment-group-biologics-register
#12
Eoghan M McCarthy, Emily Sutton, Stephanie Nesbit, James White, Ben Parker, David Jayne, Bridget Griffiths, David A Isenberg, Anisur Rahman, Caroline Gordon, David P D'Cruz, Benjamin Rhodes, Peter Lanyon, Edward M Vital, Chee-Seng Yee, Christopher J Edwards, Lee-Suan Teh, Mohammed Akil, Neil J McHugh, Asad Zoma, Ian N Bruce
Objectives: To describe the baseline characteristics of SLE patients requiring biologic therapy in the UK and to explore short term efficacy and infection rates associated with rituximab (RTX) use. Methods: Patients commencing biologic therapy for refractory SLE and who consented to join BILAG-BR were analysed. Baseline characteristics, disease activity (BILAG 2004/SLEDAI-2K) and rates of infection over follow-up were analysed. Response was defined as loss of all A and B BILAG scores to ⩽ 1 B score with no new A/B scores in other organ systems at 6 months...
December 5, 2017: Rheumatology
https://www.readbyqxmd.com/read/29202691/performance-of-the-marginal-structural-cox-model-for-estimating-individual-and-joined-effects-of-treatments-given-in-combination
#13
Clovis Lusivika-Nzinga, Hana Selinger-Leneman, Sophie Grabar, Dominique Costagliola, Fabrice Carrat
BACKGROUND: The Marginal Structural Cox Model (Cox-MSM), an alternative approach to handle time-dependent confounder, was introduced for survival analysis and applied to estimate the joint causal effect of two time-dependent nonrandomized treatments on survival among HIV-positive subjects. Nevertheless, Cox-MSM performance in the case of multiple treatments has not been fully explored under different degree of time-dependent confounding for treatments or in case of interaction between treatments...
December 4, 2017: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/29198918/observations-on-the-epidemiology-of-rotavirus-infection-among-hospitalized-children-younger-than-5%C3%A2-years-in-2-ukrainian-hospitals-2007-2015
#14
Liudmyla I Chernyshova, Nataliya M Radionova, Iryna V Demchyshyna, Liudmyla S Kotlik, Oleksandra B Sadkova, Elena O Samoilovich, Galina V Semeiko, Danni S Daniels, Adam L Cohen, Negar Aliabadi
BACKGROUND: Acute gastroenteritis remains a burden among children under 5 years of age. Ukraine joined the World Health Organization's Global Rotavirus Surveillance Network in 2006, with a goal of providing accurate rotavirus burden data to aid policy makers in planning for rotavirus vaccine introduction. This analysis describes rotavirus epidemiology among Ukrainian children enrolled in Kyiv and Odesa, two large Ukrainian cities. METHODS: Children 0-59 months of age hospitalized for acute gastroenteritis at 2 sentinel sites in Kyiv and Odesa were enrolled into the active, prospective surveillance program...
November 29, 2017: Vaccine
https://www.readbyqxmd.com/read/29191469/role-of-anterolateral-reconstruction-in-patients-undergoing-anterior-cruciate-ligament-reconstruction
#15
REVIEW
C Lutz
There is renewed interest in anterolateral reconstruction (ALR) for patients undergoing anterior cruciate ligament (ACL) reconstruction. This is the result of isolated ACL reconstruction and double-bundle reconstruction providing inadequate control over the pivot shift, and recent anatomical and biomechanical studies on the anterolateral ligament (ALL) and its role in the knee's rotational stability.From a technical point of view, ALR can be performed either as a continuity of the intra-articular ACL reconstruction or an independent procedure...
November 27, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29188427/recent-progress-on-chikungunya-virus-research
#16
REVIEW
Wenxi An, Ningning Ge, Yilin Cao, Jin Sun, Xia Jin
Chikungunya virus (CHIKV) is an arbovirus transmitted by Aedes mosquitos in tropical and subtropical regions across the world. After decades of sporadic outbreaks, it re-emerged in Africa, Asia, India Ocean and America suddenly, causing major regional epidemics recently and becoming a notable global health problem. Infection by CHIKV results in a spectrum of clinical diseases including an acute self-limiting febrile illness in most individuals, a chronic phase of recurrent join pain in a proportion of patients, and long-term arthralgia for months to years for the unfortunate few...
November 28, 2017: Virologica Sinica
https://www.readbyqxmd.com/read/29153065/-genotypes-of-rhinoviruses-in-children-and-adults-patients-with-acute-respiratory-tract-infections
#17
Eda Demirkan, Sevin Kırdar, Emel Ceylan, Ayşe Yenigün, İmran Kurt Ömürlü
Rhinovirus (RV) is one of the most frequent causative agent of acute respiratory tract infections in the world. The virus may cause a mild cold, as well as more serious clinical symptoms in patients with immune system deficiency or comorbidities. Rhinoviruses have been identified by molecular methods under three types: RV-A, RV-B and RV-C. In most of the cases, it was reported that RV-A and RV-C were related with lower respiratory tract infections and asthma exacerbations, while RV-B was rarely reported in lower respiratory tract infections...
October 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/29144403/the-non-homologous-end-joining-protein-paxx-acts-to-restrict-hsv-1-infection
#18
Ben J Trigg, Katharina B Lauer, Paula Fernandes Dos Santos, Heather Coleman, Gabriel Balmus, Daniel S Mansur, Brian J Ferguson
Herpes simplex virus 1 (HSV-1) has extensive interactions with the host DNA damage response (DDR) machinery that can be either detrimental or beneficial to the virus. Proteins in the homologous recombination pathway are known to be required for efficient replication of the viral genome, while different members of the classical non-homologous end-joining (c-NHEJ) pathway have opposing effects on HSV-1 infection. Here, we have investigated the role of the recently-discovered c-NHEJ component, PAXX (Paralogue of XRCC4 and XLF), which we found to be excluded from the nucleus during HSV-1 infection...
November 16, 2017: Viruses
https://www.readbyqxmd.com/read/29134777/epidemiological-investigation-of-h9-avian-influenza-virus-newcastle-disease-virus-tembusu-virus-goose-parvovirus-and-goose-circovirus-infection-of-geese-in-china
#19
X Niu, H Wang, L Wei, M Zhang, J Yang, H Chen, Y Tang, Y Diao
To deepen the knowledge about epidemic prevalence in the goose breeding field, a triplex PCR assay was established, and 478 samples were collected from scaled goose farms in 11 provinces in China. The results of this epidemiological investigation showed that incidence rates of H9 avian influenza and goose circovirus were the highest among five infectious diseases that were evaluated. In addition, the triplex PCR assay established remarkable sensitivity, rapidity and versatility compared to other diagnostic methods...
November 13, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29122002/a-european-network-for-food-borne-parasites-euro-fbp-meeting-report-on-analytical-methods-for-food-borne-parasites-in-human-and-veterinary-diagnostics-and-in-food-matrices
#20
Christian Klotz, Barbara Šoba, Miha Skvarč, Sarah Gabriël, Lucy J Robertson
Food-borne parasites (FBPs) are a neglected topic in food safety, partly due to a lack of awareness of their importance for public health, especially as symptoms tend not to develop immediately after exposure. In addition, methodological difficulties with both diagnosis in infected patients and detection in food matrices result in under-detection and therefore the potential for underestimation of their burden on our societies. This, in consequence, leads to lower prioritization for basic research, e.g. for development new and more advanced detection methods for different food matrices and diagnostic samples, and thus a vicious circle of neglect and lack of progress is propagated...
November 9, 2017: Parasites & Vectors
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