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https://www.readbyqxmd.com/read/27914063/episweep-computationally-driven-reengineering-of-therapeutic-proteins-to-reduce-immunogenicity-while-maintaining-function
#1
Yoonjoo Choi, Deeptak Verma, Karl E Griswold, Chris Bailey-Kellogg
Therapeutic proteins are yielding ever more advanced and efficacious new drugs, but the biological origins of these highly effective therapeutics render them subject to immune surveillance within the patient's body. When recognized by the immune system as a foreign agent, protein drugs elicit a coordinated response that can manifest a range of clinical complications including rapid drug clearance, loss of functionality and efficacy, delayed infusion-like allergic reactions, more serious anaphylactic shock, and even induced auto-immunity...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27910803/the-prognostic-and-predictive-value-of-tmprss2-erg-gene-fusion-and-erg-protein-expression-in-prostate-cancer-biopsies
#2
Kasper Drimer Berg
BACKGROUND: The clinical course of prostate carcinoma (PCa) is very heterogeneous. Consequently, a personalised approach for risk stratification and treatment planning is important. Recently, it has become evident that PCa, also at the genomic level, is heterogeneous. An early and common alteration is the gene fusion between the transmembrane protease serine 2 (TMPRSS2) gene and the v-ets avian erythroblastosis virus E26 oncogene homolog (ERG) gene resulting in expression of the oncoprotein ERG...
December 2016: Danish Medical Journal
https://www.readbyqxmd.com/read/27909934/current-achievements-and-future-perspectives-of-metronomic-chemotherapy
#3
REVIEW
Adriana Romiti, Rosa Falcone, Michela Roberto, Paolo Marchetti
In recent years, many anticancer drugs have been tested at metronomic dosages for a variety of tumours. Mechanisms of action attributed to metronomic chemotherapy (MCT) include antiangiogenesis, immunomodulation, direct inhibition of tumour growth, effect on tumour initiating cells and the modulation of clonal evolution. An active clinical research, aimed at testing MCT in several cancers, has been conducted over the past 15 years. However, because the majority of available results come from earlier phase II studies, mainly performed in the area of breast cancer (BC), it is clear that there are areas still to be investigated...
December 1, 2016: Investigational New Drugs
https://www.readbyqxmd.com/read/27906959/pcna-dependent-cleavage-and-degradation-of-sde2-regulates-response-to-replication-stress
#4
Ukhyun Jo, Winson Cai, Jingming Wang, Yoojin Kwon, Alan D D'Andrea, Hyungjin Kim
Maintaining genomic integrity during DNA replication is essential for cellular survival and for preventing tumorigenesis. Proliferating cell nuclear antigen (PCNA) functions as a processivity factor for DNA replication, and posttranslational modification of PCNA plays a key role in coordinating DNA repair against replication-blocking lesions by providing a platform to recruit factors required for DNA repair and cell cycle control. Here, we identify human SDE2 as a new genome surveillance factor regulated by PCNA interaction...
December 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27906871/performance-of-icd-based-injury-severity-measures-used-to-predict-in-hospital-mortality-and-intensive-care-admission-among-traumatic-brain-injured-patients
#5
Mathieu Gagné, Lynne Moore, Marie-Josée Sirois, Marc Simard, Claudia Beaudoin, Brice Lionel Batomen Kuimi
BACKGROUND: The International Classification of Diseases (ICD) is the main classification system used for population-based traumatic brain injury (TBI) surveillance activities but does not contain direct information on injury severity. ICD-based injury severity measures can be empirically derived or mapped to the Abbreviated Injury Scale, but no single approach has been formally recommended for TBI. OBJECTIVE: To compare the accuracy of different ICD-based injury severity measures for predicting in-hospital mortality and intensive care unit (ICU) admission in TBI patients...
November 30, 2016: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/27906012/determinants-of-time-to-antiretroviral-treatment-initiation-and-subsequent-mortality-on-treatment-in-a-cohort-in-rural-northern-malawi
#6
Jeremy Philip Brown, Bagrey Ngwira, Terence Tafatatha, Amelia Catharine Crampin, Neil French, Olivier Koole
BACKGROUND: To optimise care HIV patients need to be promptly initiated on antiretroviral therapy (ART) and subsequently retained on treatment. In this study we report on the interval between enrolment and treatment initiation, and investigate subsequent attrition and mortality of patients on ART at a rural clinic in Malawi. METHODS: HIV-positive individuals were recruited to a cohort study between January 2008 and August 2011 at Chilumba Rural Hospital (CRH). Outcomes were ascertained, up to 7 years after enrolment, through follow-up and by linkage to ART registers and the Karonga Health and Demographic Surveillance System (KHDSS)...
July 8, 2016: AIDS Research and Therapy
https://www.readbyqxmd.com/read/27905900/prevalence-clinical-and-economic-burden-of-mucormycosis-related-hospitalizations-in-the-united-states-a-retrospective-study
#7
Dimitrios P Kontoyiannis, Hongbo Yang, Jinlin Song, Sneha S Kelkar, Xi Yang, Nkechi Azie, Rachel Harrington, Alan Fan, Edward Lee, James R Spalding
BACKGROUND: Mucormycosis is a rare but devastating fungal infection primarily affecting immunocompromised patients such as those with hematological malignancy, bone marrow and solid organ transplantation, and patients with diabetes, and, even more rarely, immunocompetent patients. The objective of this study was to assess the prevalence and burden, both clinical and economic, of mucormycosis among hospitalized patients in the U.S. METHODS: This is a retrospective study using the Premier Perspective(TM) Comparative Database, with more than 560 participating hospitals covering 104 million patients (January 2005-June 2014)...
December 1, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27905834/rubella-outbreak-and-outbreak-management-in-a-school-setting-china-2014
#8
Caiyun Chang, Huilai Ma, Wenjia Liang, Pei Hu, Xianghuan Mo, Zhijie An, Huizhen Zheng
BACKGROUND: An active response to a rubella outbreak may interrupt disease transmission, and outbreak response immunization (ORI) can increase immunity among persons who might otherwise not be protected. On March 17, 2014, a rubella outbreak was reported in a middle school in Guangzhou city, China. We conducted an investigation to assess impact of a policy of exclusion of cases from school and of ORI. METHODS: Active surveillance was used to find cases of rubella...
December 1, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27903326/characterizing-areas-of-potential-human-exposure-to-eastern-equine-encephalitis-virus-using-serological-and-clinical-data-from-horses
#9
J-P Rocheleau, J Arsenault, N H Ogden, L R Lindsay, M Drebot, P Michel
Eastern equine encephalitis (EEE) is a rare but severe emerging vector-borne disease affecting human and animal populations in the northeastern United States where it is endemic. Key knowledge gaps remain about the epidemiology of EEE virus (EEEV) in areas where its emergence has more recently been reported. In Eastern Canada, viral activity has been recorded in mosquitoes and horses throughout the 2000s but cases of EEEV in humans have not been reported so far. This study was designed to provide an assessment of possible EEEV human exposure by modelling environmental risk factors for EEEV in horses, identifying high-risk environments and mapping risk in the province of Quebec, Canada...
December 1, 2016: Epidemiology and Infection
https://www.readbyqxmd.com/read/27903317/laboratory-surveillance-of-arboviral-infections-in-a-southern-france-region-colonized-by-aedes-albopictus
#10
L Cadot, M Segondy, V Foulongne
The establishment of Aedes albopictus in southern France, a recognized competent vector for several arboviruses, represents a new threat for the local transmission and spread of what were until recently considered as tropical diseases. A preparedness and response plan, based on vigilance of both clinicians and laboratories, has introduced significant changes in guidelines and behaviour regarding patients' care specifically during the activity period of mosquitoes. In the present study, we report the results of a 1-year activity in arboviral infection diagnosis...
December 1, 2016: Epidemiology and Infection
https://www.readbyqxmd.com/read/27903065/predominance-and-geo-mapping-of-avian-influenza-h5n1-in-poultry-sectors-in-egypt
#11
Abdelsatar Arafa, Ihab El-Masry, Shereen Khoulosy, Mohammed K Hassan, Moussa Soliman, Olubunmi G Fasanmi, Folorunso O Fasina, Gwenaelle Dauphin, Juan Lubroth, Yilma M Jobre
Highly pathogenic avian influenza (HPAI) virus of the H5N1 subtype has been enzootic in the Egyptian poultry with significant human infections since 2008. This work evaluates the epidemiological and virological information from February 2006 to May 2015 in spatial and temporal terms. Only data with confirmed HPAI H5N1 sub-type were collected, and matched with the epidemiological data from various spatially and temporally-dispersed surveillances implemented between 2006 and 2015. Spatio-temporal analysis was conducted on a total of 3338 confirmed H5N1 HPAI poultry disease outbreaks and outputs described based on transmission patterns, poultry species, production types affected, trade, geographic and temporal distributions in Egypt...
November 28, 2016: Geospatial Health
https://www.readbyqxmd.com/read/27903056/spatial-pattern-evolution-of-aedes-aegypti-breeding-sites-in-an-argentinean-city-without-a-dengue-vector-control-programme
#12
Manuel O Espinosa, Francisco Polop, Camilo H Rotela, Marcelo Abril, Carlos M Scavuzzo
The main objective of this study was to obtain and analyse the space-time dynamics of Aedes aegypti breeding sites in Clorinda City, Formosa Province, Argentina coupled with landscape analysis using the maximum entropy approach in order to generate a dengue vector niche model. In urban areas, without vector control activities, 12 entomologic (larval) samplings were performed during three years (October 2011 to October 2014). The entomologic surveillance area represented 16,511 houses. Predictive models for Aedes distribution were developed using vector breeding abundance data, density analysis, clustering and geoprocessing techniques coupled with Earth observation satellite data...
November 21, 2016: Geospatial Health
https://www.readbyqxmd.com/read/27902662/surveillance-a-nursing-intervention-for-improving-patient-safety-in-critical-care-environment
#13
Dale M Pfrimmer, Maren R Johnson, Martha L Guthmiller, Joanna L Lehman, Vickie K Ernste, Lori M Rhudy
BACKGROUND: Nursing surveillance has been identified as a key intervention in early recognition and prevention of errors/adverse events. Nursing Intervention Classification (NIC) defines surveillance as "the purposeful and ongoing acquisition, interpretation, and synthesis of patient data for clinical decision making." Because nurses are the main staffing constant in the critical care environment, the importance of surveillance as an intervention is fundamental. OBJECTIVE: The aim of this study was to explore how surveillance is expressed by critical care nurses...
January 2017: Dimensions of Critical Care Nursing: DCCN
https://www.readbyqxmd.com/read/27902653/meningococcal-disease-in-children-in-argentina-a-three-year-active-sentinel-hospital-surveillance-study
#14
Ángela Gentile, Julia Bakir, María Rosa Agosti, Gabriela Ensinck, Hector Abate, Andrea Gajo Gane, Alejandro Santillán Iturres, Adriana Efron, Mabel Regueira, Ricardo Rüttimann
BACKGROUND: Meningococcal disease (MD) is a medical emergency and a serious public health problem. As new meningococcal vaccines become available, MD surveillance is crucial to provide baseline epidemiologic data before implementing preventive measures. We estimated MD incidence and epidemiology in Argentina using hospital-based surveillance. METHODS: 3-year prospective active surveillance in patients ≤15 years of age conducted at 6 pediatric hospital sentinel units (March 2012-February 2015)...
November 28, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27902381/detection-of-escherichia-coli-st131-complex-st705-and-klebsiella-pneumoniae-st15-among-fecal-carriage-of-extended-spectrum-betalactamase-and-carbapenemase-producing-enterobacteriaceae
#15
Esther Rios, Maria Carmen López, Iciar Rodríguez-Avial, Esther Culebras, Juan Jose Picazo
The objective of the present study was to evaluate the prevalence of intestinal colonization with extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae (ESBL-E) and carbapenemases-producing Enterobacteriaceae (CPE) in non-selected hospitalized and non-hospitalized patients from the same geographic area of Madrid. Among the 501 patients enrolled, 43 (8.6%) carried ESBL-E and 8 (1.6%) patients exhibited CPE. The main intestinal colonizer among ESBL-E was CTX-M-producing Escherichia coli isolates in both settings (community and hospital)...
November 28, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27902332/inhibition-of-hepatitis-b-virus-replication-by-activation-of-the-cgas-sting-pathway
#16
Jing He, Ruidong Hao, Dan Liu, Xing Liu, Shaoshuai Wu, Shuting Guo, Yuan Wang, Deyin Guo
Cyclic GMP-AMP (cGAMP) synthase (cGAS) senses cytosolic DNA and catalyzes synthesis of the second messenger cGAMP, which activates the downstream signaling adaptor protein STING, leading to the expression of type I interferons. Hepatitis B virus (HBV) is a small DNA virus, and the cGAS-STING pathway may inhibit HBV RNA synthesis and viral assembly in cell culture, but the exact roles of cGAS pathway in the restriction of HBV replication in infection systems remain to be elucidated. In this study, we showed that the replication of HBV was significantly inhibited both in cell culture and in vivo in a mouse model when the cGAS-STING pathway was activated by dsDNA or cGAMP...
October 31, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27901633/acute-flaccid-paralysis-laboratorial-surveillance-in-a-polio-free-country-brazil-2005-2014
#17
Ivanildo P Sousa, Fernanda M Burlandy, Silas S Oliveira, Amanda M Nunes, Cristiane Sousa, Elaine M da Silva, Jaqueline G A Souza, Valdemar A de Paula, Ivone C M Oliveira, Fernando Neto Tavares, Eliane V da Costa, Edson E da Silva
The last case of paralytic poliomyelitis caused by wild poliovirus in Brazil occurred in 1989. The interruption of the indigenous poliovirus transmission was obtained through mass immunization campaigns to eligible children and an active epidemiological and laboratorial surveillance of all cases of acute flaccid paralysis (AFP) among children under fifteen years of age. This paper describes and evaluates the performance of the AFP surveillance system in different geographic areas of Brazil between 2005 and 2014, using indicators recommended by WHO...
November 30, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27900214/are-magnetic-resonance-imaging-undetectable-prostate-tumours-clinically-significant-results-of-histopathological-analyses
#18
Kristian D Stensland, Karl Coutinho, Adele R Hobbs, Lindsay Haines, Shemille A Collingwood, Young Suk Kwon, Simon J Hall, Maria Katsigeorgis, Seyed Behzad Jazayeri, David B Samadi
OBJECTIVE: To investigate whether tumours at threshold values for detection on magnetic resonance imaging (MRI) represent clinically significant tumours or not, and therefore the utility of MRI in active surveillance (AS) protocols. PATIENTS AND METHODS: A retrospective analysis of a single institution database was performed after Institutional Review Board approval. Between 2010 and 2013, 1633 patients underwent robot-assisted laparoscopic prostatectomy (RALP) at a single institution by a single surgeon...
December 2016: Arab Journal of Urology
https://www.readbyqxmd.com/read/27899444/antigen-dependent-competition-shapes-the-local-repertoire-of-tissue-resident-memory-cd8-t-cells
#19
Andreas Muschaweckh, Veit R Buchholz, Anne Fellenzer, Christian Hessel, Paul-Albert König, Sha Tao, Ronny Tao, Mathias Heikenwälder, Dirk H Busch, Thomas Korn, Wolfgang Kastenmüller, Ingo Drexler, Georg Gasteiger
Tissue-resident memory CD8(+) T cells (TRM) constitute a major component of the immune-surveillance system in nonlymphoid organs. Local, noncognate factors are both necessary and sufficient to support the programming of TRM cell fate in tissue-infiltrating T cells. Recent evidence suggests that TCR signals received in infected nonlymphoid tissues additionally contribute to TRM cell formation. Here, we asked how antigen-dependent pathways influence the generation of skin-resident memory T cells that arise from a polyclonal repertoire of cells induced by infection with an antigenically complex virus and recombinant vaccine vector...
November 29, 2016: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27898168/the-association-between-t-pa-administration-and-in-hospital-mortality-following-acute-ischemic-stroke-in-puerto-rican-patients
#20
Kevin Shah, Samuel Kohrman, Suehyb Alkhatib, Juan González, Fernando Santiago, Marcia Varella, Juan Zevallos
OBJECTIVE: Despite being the standard of care, thrombolytic therapy with tissue plasminogen activator (t-PA) is currently administered to only 5% of acute ischemic stroke (AIS) patients in the United States. Published scientific information regarding both the use of t-PA for AIS in Hispanic patients and its impact on short-term mortality is scarce. The objectives of this study are to investigate, among Puerto Rican patients hospitalized with AIS, the rate of t-PA administration, and the risk of in-hospital mortality in patients who received t-PA vs...
December 2016: Puerto Rico Health Sciences Journal
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