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https://www.readbyqxmd.com/read/28095455/novel-porcine-epidemic-diarrhea-virus-pedv-variants-with-large-deletions-in-the-spike-s-gene-coexist-with-pedv-strains-possessing-an-intact-s-gene-in-domestic-pigs-in-japan-a-new-disease-situation
#1
Nguyen Van Diep, Junzo Norimine, Masuo Sueyoshi, Nguyen Thi Lan, Ryoji Yamaguchi
Since late 2013, after an absence of seven years, outbreaks of porcine epidemic diarrhea virus (PEDV) infection have reemerged and swept rapidly across Japan, resulting in significant economic losses. In this study, we report the emergence, mixed infection, and genetic characterization of 15 novel field PEDV variants with large genomic deletions. The sizes of deletion varied between 582 nt (194 aa) and 648 nt (216 aa) at positions 28-714 (10-238) on the S gene (protein). Among 17 PEDV samples isolated from individual pigs, all of them contained at least two distinct genotypes with large genomic deletions, and 94...
2017: PloS One
https://www.readbyqxmd.com/read/28089100/community-onset-clostridium-difficile-infection-at-a-tertiary-medical-center-in-southern-taiwan-2007-2015
#2
Chin-Shiang Tsai, Yuan-Pin Hung, Jen-Chieh Lee, Nan-Yao Lee, Po-Lin Chen, Ling-Shan Syue, Ming-Chi Li, Chia-Wen Li, Wen-Chien Ko
BACKGROUND: Clostridium difficile infection (CDI) is well-known as the major cause of infectious diarrhea in hospitalized patients. Community-onset CDI (CO-CDI) is an emerging threat. However, clinical information of CO-CDI in Taiwan remains scarce. METHODS: A retrospective study was conducted at a medical center in southern Taiwan. Symptomatic patients between 2007 and 2015 with C. difficile toxin or tcdB detected in stool were identified as CDI, and were classified as CO-CDI [including community-associated CDI (CA-CDI) and community-onset health care facility-associated CDI (CO-HCFA-CDI)] and health care facility-onset CDI (HCFO-CDI)...
December 18, 2016: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28086819/efficacy-safety-and-effectiveness-of-licensed-rotavirus-vaccines-a-systematic-review-and-meta-analysis-for-latin-america-and-the-caribbean
#3
Raúl F Velázquez, Alexandre C Linhares, Sergio Muñoz, Pamela Seron, Pedro Lorca, Rodrigo DeAntonio, Eduardo Ortega-Barria
BACKGROUND: RotaTeq™ (RV5; Merck & Co. Inc., USA) and Rotarix™ (RV1, GlaxoSmithKline, Belgium) vaccines, developed to prevent rotavirus diarrhea in children under five years old, were both introduced into national immunization programs in 2006. As many countries in Latin America and the Caribbean have included either RV5 or RV1 in their routine childhood vaccination programs, we conducted a systematic review and meta-analysis to analyze efficacy, safety and effectiveness data from the region...
January 13, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28073786/phase-1-study-of-twice-weekly-pulse-dose-and-daily-low-dose-erlotinib-as-initial-treatment-for-patients-with-egfr-mutant-lung-cancers
#4
H A Yu, C Sima, D Feldman, L L Liu, B Vaitheesvaran, J Cross, C M Rudin, M G Kris, W Pao, F Michor, G J Riely
BACKGROUND: Patients with EGFR-mutant lung cancers treated with EGFR tyrosine kinase inhibitors (TKIs) develop clinical resistance, most commonly with acquisition of EGFR T790M. Evolutionary modeling suggests that a schedule of twice weekly pulse and daily low-dose erlotinib may delay emergence of EGFR T790M. Pulse dose erlotinib has superior central nervous system (CNS) penetration and may result in superior CNS disease control. METHODS: We evaluated toxicity, pharmacokinetics, and efficacy of twice weekly pulse and daily low-dose erlotinib...
October 25, 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28070176/advances-in-ibs-2016-a-review-of-current-and-emerging-data
#5
Philip S Schoenfeld
Irritable bowel syndrome (IBS) is characterized by chronic intermittent abdominal pain and associated diarrhea (IBS-D), constipation (IBS-C), or both. IBS can significantly impact patient function and quality of life. The diagnosis of IBS is based on the presence of characteristic symptoms, the exclusion of concerning features, and selected tests to exclude organic diseases that can mimic IBS. The pathophysiology of IBS remains incompletely understood, and new contributing factors have been identified over the past decade...
August 2016: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28067684/diarrhea-after-allogeneic-stem-cell-transplantation-beyond-graft-versus-host-disease
#6
Katarzyna Robak, Joanna Zambonelli, Jaroslaw Bilinski, Grzegorz W Basak
Diarrhea constitutes a frequent and often debilitating complication of allogeneic hematopoietic cell transplantation (alloHCT). Especially when accompanied by jaundice, skin rash, and symptoms of the upper gastrointestinal tract, diarrhea strongly suggests emergence of acute graft-versus-host disease (GvHD), which is a serious immune complication of the procedure, with possible fatal consequences. However, especially when diarrhea occurs as an isolated symptom, the other causes must be excluded before initiation of GvHD treatment with immune-suppressive drugs...
January 6, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28059433/a-12-week-extension-study-to-assess-the-safety-and-tolerability-of-naloxegol-in-patients-with-noncancer-pain-and-opioid-induced-constipation
#7
Lynn Webster, Raj Tummala, Ulysses Diva, Jaakko Lappalainen
OBJECTIVE: To compare the long-term safety and tolerability of naloxegol with placebo in patients with opioid-induced constipation (OIC) and noncancer pain. DESIGN: Twelve-week, multicenter, randomized, double-blind, parallel-group phase 3 extension study (KODIAC-07, NCT01395524). SETTING: Clinical investigation centers in the United States. PATIENTS: Adult outpatients (N = 302) with confirmed OIC who had completed a 12-week pivotal phase 3 study (KODIAC-04, NCT01309841)...
November 2016: Journal of Opioid Management
https://www.readbyqxmd.com/read/28057113/-monitoring-and-research-on-pathogen-spectrum-in-patients-with-acute-diarrhea-from-sentinel-hospital-of-zhejiang-province-during-2009-to-2014
#8
S F Zheng, F Yu, X Chen, D W Cui, X Z Yang, G L Xie, Y Y Wang, J X Yu, Z J Li, Y Chen
Objective: To explore pathogen spectrum constitution of acute diarrhea in outpatient and emergency of Zhejiang Province, and provide basis for treatment, prevention and control of the disease. Methods: During January 2009 to December 2014, we selected seven sentinel hospitals in different regions of Zhejiang, monitored and researched on pathogen spectrum in patients with acute diarrhea from outpatient and emergency. We recorded patients' personal basic information, the main symptoms and signs, and collected stool samples (5 g)...
December 6, 2016: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28056953/understanding-the-early-dynamics-of-the-2014-porcine-epidemic-diarrhea-virus-pedv-outbreak-in-ontario-using-the-incidence-decay-and-exponential-adjustment-idea-model
#9
Amy L Greer, Kelsey Spence, Emma Gardner
BACKGROUND: The United States swine industry was first confronted with porcine epidemic diarrhea virus (PEDV) in 2013. In young pigs, the virus is highly pathogenic and the associated morbidity and mortality has a significant negative impact on the swine industry. We have applied the IDEA model to better understand the 2014 PEDV outbreak in Ontario, Canada. Using our simple, 2-parameter IDEA model, we have evaluated the early epidemic dynamics of PEDV on Ontario swine farms. RESULTS: We estimated the best-fit R0 and control parameter (d) for the between farm transmission component of the outbreak by fitting the model to publically available cumulative incidence data...
January 5, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28051950/phylogenetic-analysis-of-partial-vp7-gene-of-the-emerging-human-group-a-rotavirus-g12-strains-circulating-in-tunisia
#10
Amal Moussa, Mouna Ben Hadj Fredj, Meriam BenHamida-Rebaï, Imene Fodha, Noureddine Boujaafar, Abdelhalim Trabelsi
Group A rotavirus (RVA) is the leading etiological agent of severe gastroenteritis in children less than 5 years of age. The most common G types in humans are G1-4 and G9. G12 genotype is currently emerging worldwide, becoming the sixth most prevalent RVA VP7 genotype causing severe childhood diarrhea. A total of 1127 fecal samples were collected from Tunisian children under 5 years of age consulting for gastroenteritis between 2009 and 2014. All samples were screened by enzyme-linked immunosorbent assay for the presence of RVA antigen...
January 3, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28050790/first-in-human-study-of-the-antibody-dr5-agonist-ds-8273a-in-patients-with-advanced-solid-tumors
#11
Andres Forero, Johanna C Bendell, Prasanna Kumar, Linda Janisch, Michael Rosen, Qiang Wang, Catherine Copigneaux, Madhuri Desai, Giorgio Senaldi, Michael L Maitland
Background DR5 is a transmembrane receptor that transduces extracellular ligand-binding to activate apoptosis signaling cascades. This phase 1 study evaluated the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics of a new monoclonal antibody potent DR5 agonist, DS-8273a, in subjects with advanced solid tumors. Methods The study comprised dose escalation and dose expansion cohorts. The dose escalation cohorts intended to determine the safety and to identify the maximum tolerated dose (MTD) or maximum administered dose (MAD) and to characterize the pharmacokinetics and pharmacodynamics by a conventional 3 + 3 design (starting at 2 mg/kg and escalating through 8, 16 and 24 mg/kg once every 3 weeks)...
January 3, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28049862/therapeutic-modulation-of-gut-microbiota-in-functional-bowel-disorders
#12
REVIEW
Hyo Jeong Lee, Jong Kyoung Choi, Han Seung Ryu, Chang Hwan Choi, Eun Hee Kang, Kyung Sik Park, Yang Won Min, Kyoung Sup Hong
Functional bowel disorders (FBDs) are functional gastrointestinal disorders with symptoms attributable to the middle or lower gastrointestinal tract. These include irritable bowel syndrome, functional bloating, functional constipation, functional diarrhea, and unspecified FBD. Increasing evidence has emerged of late that intestinal microbiota is involved in the pathogenesis of FBDs. In this review, the therapeutic benefits and future perspectives of the currently available strategies for modifying the gut microbiota in FBDs are described, focusing primarily on irritable bowel syndrome and functional constipation...
January 30, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28039155/phase-i-ii-trial-of-cabazitaxel-plus-abiraterone-in-patients-with-metastatic-castration-resistant-prostate-cancer-mcrpc-progressing-after-docetaxel-and-abiraterone
#13
C Massard, J Mateo, Y Loriot, C Pezaro, L Albiges, N Mehra, A Varga, D Bianchini, C J Ryan, D P Petrylak, G Attard, L Shen, K Fizazi, J de Bono
BACKGROUND: Abiraterone and cabazitaxel improve survival in patients with metastatic castration-resistant prostate cancer (mCRPC). We conducted an open-label phase I/II trial of cabazitaxel plus abiraterone to assess the antitumor activity and tolerability in patients with progressive mCRPC after docetaxel (phase I), and after docetaxel and abiraterone (phase II) (NCT01511536). PATIENTS AND METHODS: The primary objectives were to determine the maximum tolerated dose (MTD) and dose-limiting toxicities (DLTs) of cabazitaxel plus abiraterone (phase I), and the prostate-specific antigen (PSA) response defined as a ≥ 50% decrease confirmed ≥3 weeks later with this combination (phase II)...
October 18, 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28028547/recent-outbreaks-of-shigellosis-in-california-caused-by-two-distinct-populations-of-shigella-sonnei-with-either-increased-virulence-or-fluoroquinolone-resistance
#14
Varvara K Kozyreva, Guillaume Jospin, Alexander L Greninger, James P Watt, Jonathan A Eisen, Vishnu Chaturvedi
Shigella sonnei has caused unusually large outbreaks of shigellosis in California in 2014 and 2015. Preliminary data indicated the involvement of two distinct bacterial populations, one from San Diego and San Joaquin (SDi/SJo) and one from the San Francisco (SFr) Bay area. Whole-genome analysis and antibiotic susceptibility testing of 68 outbreak and archival isolates of S. sonnei were performed to investigate the microbiological factors related to these outbreaks. Both SDi/SJo and SFr populations, as well as almost all of the archival S...
November 2016: MSphere
https://www.readbyqxmd.com/read/28018330/porcine-epidemic-diarrhea-virus-shedding-and-antibody-response-in-swine-farms-a-longitudinal-study
#15
Cristina Bertasio, Enrico Giacomini, Massimiliano Lazzaro, Simona Perulli, Alice Papetti, Antonio Lavazza, Davide Lelli, Giovanni Alborali, Maria B Boniotti
The porcine epidemic diarrhea virus (PEDV) causes an acute and highly contagious enteric disease characterized by severe enteritis, vomiting, watery diarrhea, and a high mortality rate in seronegative neonatal piglets. In the last few years, PED had a large economic impact on the swine industries in Asia and the US, and in 2014, the PEDV also re-emerged in Europe. Two main PEDV variants circulate worldwide but only the S INDEL variant, considered a mild strain, is spreading in Europe. To gain insights into the pathogenicity of this variant, its viral load and temporal shedding pattern were evaluated in piglets from infected farms...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27997854/the-emerging-metabolic-view-of-clostridium-difficile-pathogenesis
#16
REVIEW
Andrew J Hryckowian, Kali M Pruss, Justin L Sonnenburg
It is widely accepted that Clostridium difficile exploits dysbiosis and leverages inflammation to thrive in the gut environment, where it can asymptomatically colonize humans or cause a toxin-mediated disease ranging in severity from frequent watery diarrhea to pseudomembranous colitis or toxic megacolon. Here, we synthesize recent findings from the gut microbiota and enteric pathogenesis fields to inform the next steps toward a better understanding of C. difficile infection (CDI). In this review, we present a model in which the lifestyle of C...
December 17, 2016: Current Opinion in Microbiology
https://www.readbyqxmd.com/read/27995128/intravenous-topiramate-pharmacokinetics-in-dogs-with-naturally-occurring-epilepsy
#17
Irene Vuu, Lisa D Coles, Patricia Maglalang, Ilo E Leppik, Greg Worrell, Daniel Crepeau, Usha Mishra, James C Cloyd, Edward E Patterson
RATIONALE: Barriers to developing treatments for human status epilepticus include the inadequacy of experimental animal models. In contrast, naturally occurring canine epilepsy is similar to the human condition and can serve as a platform to translate research from rodents to humans. The objectives of this study were to characterize the pharmacokinetics of an intravenous (IV) dose of topiramate (TPM) in dogs with epilepsy and evaluate its effect on intracranial electroencephalographic (iEEG) features...
2016: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/27988828/mushroom-poisoning-a-retrospective-study-concerning-11-years-of-admissions-in-a-swiss-emergency-department
#18
Maxime Schmutz, Pierre-Nicolas Carron, Bertrand Yersin, Lionel Trueb
Wild mushroom intoxication is an unusual cause of toxic ingestion in Europe. A great diversity of clinical symptoms may arise depending on the variety of wild mushrooms ingested. These initial symptoms are often non-specific, with frequent gastrointestinal symptoms, and have no direct correlation with the outcome. Therefore, management of mushroom poisoning and risk evaluation are a challenge for emergency clinicians. We retrospectively reviewed all cases of mushroom poisoning identified in the ED database spanning 11 years...
December 17, 2016: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/27987280/abdominal-pain-learning-when-not-to-intervene
#19
Niranjan Tachamo, Bidhya Timilsina, Salik Nazir, Saroj Lohani
Epiploic appendagitis (EA) is an uncommon cause of abdominal pain. It is a benign condition but may mimic other serious causes of acute abdomen such as appendicitis, diverticulitis, and gynecological emergency in severe cases. Knowledge of this condition in the differential diagnosis of abdominal pain can save unnecessary hospital admission, antibiotics, and surgery. In this article, we present the case of a 43-year-old female who presented to our hospital with a 2-day history of right lower quadrant abdominal pain and diarrhea...
2016: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/27939608/structural-and-functional-studies-of-escherichia-coli-aggregative-adherence-fimbriae-aaf-v-reveal-a-deficiency-in-extracellular-matrix-binding
#20
Rie Jønsson, Bing Liu, Carsten Struve, Yi Yang, René Jørgensen, Yingqi Xu, Håvard Jenssen, Karen A Krogfelt, Steve Matthews
Enteroaggregative Escherichia coli (EAEC) is an emerging cause of acute and persistent diarrhea worldwide. The pathogenesis of different EAEC stains is complicated, however, the early essential step begins with attachment of EAEC to intestinal mucosa via aggregative adherence fimbriae (AAFs). Currently, five different variants have been identified, which all share a degree of similarity in the gene organization of their operons and sequences. Here, we report the solution structure of Agg5A from the AAF/V variant...
December 9, 2016: Biochimica et Biophysica Acta
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