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https://www.readbyqxmd.com/read/28209476/the-role-of-a-psp-producing-alexandrium-bloom-in-an-unprecedented-diamondback-terrapin-malaclemys-terrapin-mortality-event-in-flanders-bay-new-york-usa
#1
Theresa K Hattenrath-Lehmann, Robert J Ossiboff, Craig A Burnell, Carlton D Rauschenberg, Kevin Hynes, Russell L Burke, Elizabeth M Bunting, Kim Durham, Christopher J Gobler
Diamondback terrapins (Malaclemys terrapin) are a threatened or endangered species in much of their range along the U.S. Atlantic and Gulf coasts. Over an approximately three-week period from late April to mid-May 2015, hundreds of adult diamondback terrapins were found dead on the shores of Flanders Bay, Long Island, New York, USA. Concurrent with the mortality event, elevated densities of the paralytic shellfish toxin (PST)-producing dinoflagellate, Alexandrium fundyense (>10(4) cells L(-1)) and high levels of PST in bivalves (maximal levels = 540 μg STX eq...
February 14, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28207905/the-one-health-approach-to-identify-knowledge-attitudes-and-practices-that-affect-community-involvement-in-the-control-of-rift-valley-fever-outbreaks
#2
Osama Ahmed Hassan, Hippolyte Affognon, Joacim Rocklöv, Peter Mburu, Rosemary Sang, Clas Ahlm, Magnus Evander
Rift Valley fever (RVF) is a viral mosquito-borne disease with the potential for global expansion, causes hemorrhagic fever, and has a high case fatality rate in young animals and in humans. Using a cross-sectional community-based study design, we investigated the knowledge, attitudes and practices of people living in small village in Sudan with respect to RVF outbreaks. A special One Health questionnaire was developed to compile data from 235 heads of household concerning their knowledge, attitudes, and practices with regard to controlling RVF...
February 16, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28203222/unexpected-death-of-a-child-with-complex-febrile-seizures-pathophysiology-similar-to-sudden-unexpected-death-in-epilepsy
#3
Brian J Dlouhy, Michael A Ciliberto, Christina L Cifra, Patricia A Kirby, Devin L Shrock, Marcus Nashelsky, George B Richerson
Febrile seizures are usually considered relatively benign. Although some cases of sudden unexplained death in childhood have a history of febrile seizures, no documented case of febrile seizure-induced death has been reported. Here, we describe a child with complex febrile seizures who died suddenly and unexpectedly after a suspected seizure while in bed at night during the beginning phases of sleep. She was resuscitated and pronounced brain dead 2 days later at our regional medical center. Autopsy revealed multiorgan effects of hypoperfusion and did not reveal an underlying (precipitating) disease, injury, or toxicological cause of death...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28202896/effect-of-mild-hypercapnia-on-lung-oxygenation-in-sitting-position-during-shoulder-arthroscopy-under-general-anesthesia
#4
Hyun Jeong Kwak, Ji Yeon Lee, Jong Wha Lee, Hong Soon Kim, Ho Jin Hur, Ji Young Kim
BACKGROUND Mild hypercapnia is permitted during surgeries in sitting position under general anesthesia to maintain cerebral regional oxygen saturation (rSO2). However, since hypoventilation may cause gas exchange impairment, we evaluated effects of mild hypercapnia on lung oxygenation during shoulder arthroscopy in sitting position. MATERIAL AND METHODS Forty patients were randomly allocated to a normocapnia group (ETCO2 35 mmHg, n=20) or a hypercapnia group (45 mmHg, n=20). The mean arterial pressure (MAP), heart rate (HR), and rSO2 were measured 5 min after intubation in supine position (T0), and at 2, 4, 6, 8, 10, 20, 30, 40, 50, and 60 min of remaining in sitting position (T1-10)...
February 16, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28190985/a-comparison-between-the-tie-over-and-closed-suction-drainage-therapeutic-strategies-in-patients-suffering-from-sacral-pilonidal-sinus
#5
Mojtaba Ahmadinejad, Koorosh Ahmadi, Izadmehr Ahmadinejad, Amir Masoud Hashemian, Peyman Khademhoseini
BACKGROUND AND OBJECTIVES: Pilonidal sinus is a disease in the sacrococcygeal region diagnosed through the purulent discharges of the above-said region. Although the exact pathology and etiology of those suffering from pilonidal is not clear yet, the presence of hair seemingly plays a major role in the process of infection and the granulation tissue. Several techniques have been identified for pilonidal surgery. These techniques primarily fall within two categories: Primary repair and Lay open...
December 2016: International Journal of Biomedical Science: IJBS
https://www.readbyqxmd.com/read/28187445/in-vivo-histone-h1-migration-from-necrotic-to-viable-tissue
#6
Keith A Luhrs, Desmond Pink, Wendy Schulte, Andries Zijlstra, John D Lewis, Missag H Parseghian
Necrosis is induced by ischemic conditions within the core of many solid tumors. Using fluorescent fusion proteins, we provide in vivo evidence of histone trafficking among cancer cells in implanted tumors. In particular, the most abundant H1 isoform (H1.2) was found to be transported from necrotic tumor cells into surrounding viable cells where histones are selectively taken up by energy-dependent endocytosis. We propose that intercellular histone trafficking could function as a target for drug delivery. This concept was validated using an anti-histone antibody that was co-internalized with histones from dead cells into viable ones surrounding the necrotic regions of a tumor, where some of the most chemoresistant cells reside...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28167539/chemically-modified-human-serum-albumin-potently-blocks-entry-of-ebola-pseudoviruses-and-virus-like-particles
#7
Haoyang Li, Fei Yu, Shuai Xia, Yufeng Yu, Qian Wang, Ming Lv, Yan Wang, Shibo Jiang, Lu Lu
Ebola virus (EBOV), causative pathogen of the deadly Ebola virus disease (EVD), can be transmitted via contact with EVD patients, including sexual contact with EVD survivors. At present, no licensed vaccine or therapeutic is available. In this study, we compared eight anhydride-modified proteins for their inhibitory activity against entry of the pseudovirus (PsV) carrying the envelope glycoprotein (GP) of EBOV Zaire or Sudan species. We found that 3-hydroxyphthalic anhydride-modified human serum albumin (HP-HSA) was most effective in inhibiting entry of both Zaire-PsV and Sudan-PsV, with EC50 at nanomolar level, more potent than EBOV-neutralizing antibody, MIL77-2 (4G7)...
February 6, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28166454/potential-reservoirs-and-risk-factors-for-vhsv-ivb-in-an-enzootic-system-budd-lake-michigan
#8
Elizabeth Throckmorton, Travis Brenden, Amber K Peters, Tammy J Newcomb, Gary E Whelan, Mohamed Faisal
Viral hemorrhagic septicemia virus genotype IVb (VHSV IVb) has caused major, sporadic fish die-offs in the Laurentian Great Lakes region of North America since 2005. Presently, factors affecting VHSV IVb persistence in enzootic systems are not well understood. Even with annual surveillance, the virus can go undetected for several years after an outbreak before again re-emerging, which suggests that the virus is maintained in the system either below detectable levels or in untested reservoirs. The aim of this study was to identify potential reservoirs of VHSV IVb in Budd Lake, Michigan; VHSV IVb was first detected in Budd Lake in 2007 but remained undetected until 2011...
March 2017: Journal of Aquatic Animal Health
https://www.readbyqxmd.com/read/28138054/bites-by-the-monocled-cobra-naja-kaouthia-in-chittagong-division-bangladesh-epidemiology-clinical-features-of-envenoming-and-management-of-70-identified-cases
#9
M A Faiz, M F Ahsan, A Ghose, M R Rahman, R Amin, M Hossain, M N Tareq, M A Jalil, U Kuch, R D G Theakston, D A Warrell, J B Harris
We describe 70 cases of monocled cobra (Naja kaouthia) bite admitted to Chittagong Medical College Hospital, Bangladesh. The biting snakes were identified by examining the dead snake and/or detecting N. kaouthia venom antigens in patients' serum. Bites were most common in the early morning and evening during the monsoon (May-July). Ligatures were routinely applied to the bitten limb before admission. Thirty-seven patients consulted traditional healers, most of whom made incisions around the bite site. Fifty-eight patients experienced severe neurotoxicity and most suffered swelling and pain of the bitten limb...
January 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28130927/fibrin-sealants-in-soft-tissue-surgery-of-the-head-and-neck-a-systematic-review-and-meta-analysis-of-randomised-controlled-trials
#10
M S Bajwa, C Tudur-Smith, R J Shaw, A G Schache
BACKGROUND: Fibrin sealants (FS) are commercially available products used in surgical wounds as adjuncts to haemostasis and closure of dead space. The role of FS in soft-tissue head and neck surgery has not been established. OBJECTIVES: To assess if FS improves wound related outcomes in patients undergoing soft-tissue surgery of the head and neck anatomical region that would commonly require a drain. TYPE OF REVIEW: Systematic review and meta-analysis of randomised controlled trials (RCTs)...
January 28, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28128353/genotyping-of-human-rhinovirus-in-adult-patients-with-acute-respiratory-infections-identified-predominant-infections-of-genotype-a21
#11
Lili Ren, Donghong Yang, Xianwen Ren, Mingkun Li, Xinlin Mu, Qi Wang, Jie Cao, Ke Hu, Chunliang Yan, Hongwei Fan, Xiangxin Li, Yusheng Chen, Ruiqin Wang, Fucheng An, Shuchang An, Ming Luo, Ying Wang, Yan Xiao, Zichun Xiang, Yan Xiao, Li Li, Fang Huang, Qi Jin, Zhancheng Gao, Jianwei Wang
Human rhinovirus (HRV) is an important causative agent of acute respiratory tract infections (ARTIs). The roles of specific HRV genotypes in patients suffering from ARTIs have not been well established. We recruited 147 adult inpatients with community-acquired pneumonia (CAP) and 291 adult outpatients with upper ARTIs (URTIs). Respiratory pathogens were screened via PCR assays. HRV was detected in 42 patients, with 35 species A, five B and two C. Seventeen genotypes were identified, and HRV-A21 ranked the highest (9/42, 21...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28125589/habitat-use-and-spatial-variability-of-hawkfishes-with-a-focus-on-colour-polymorphism-in-paracirrhites-forsteri
#12
Darren J Coker, Veronica Chaidez, Michael L Berumen
Identifying relationships between fishes and their environment is an integral part of understanding coral reef ecosystems. However, this information is lacking for many species, particularly in understudied and remote regions. With coral reefs continuing to face environmental pressures, insight into abundance and distribution patterns along with resource use of fish communities will aid in advancing our ecological understanding and management processes. Based on ecological surveys of hawkfish assemblages (Family: Cirrhitidae) in the Red Sea, we reveal distinct patterns in the distribution and abundance across the continental shelf, wave exposure, and with depth, particularly in the four colour morphs of Paracirrhites forsteri...
2017: PloS One
https://www.readbyqxmd.com/read/28119472/pseudomonas-aeruginosa-pore-forming-exolysin-and-type-iv-pili-cooperate-to-induce-host-cell-lysis
#13
Pauline Basso, Michel Ragno, Sylvie Elsen, Emeline Reboud, Guillaume Golovkine, Stephanie Bouillot, Philippe Huber, Stephen Lory, Eric Faudry, Ina Attrée
: Clinical strains of Pseudomonas aeruginosa lacking the type III secretion system genes employ a toxin, exolysin (ExlA), for host cell membrane disruption. Here, we demonstrated that ExlA export requires a predicted outer membrane protein, ExlB, showing that ExlA and ExlB define a new active two-partner secretion (TPS) system of P. aeruginosa In addition to the TPS signals, ExlA harbors several distinct domains, which include one hemagglutinin domain, five arginine-glycine-aspartic acid (RGD) motifs, and a C-terminal region lacking any identifiable sequence motifs...
January 24, 2017: MBio
https://www.readbyqxmd.com/read/28112564/frequency-clinicopathological-features-and-phylogenetic-analysis-of-feline-morbillivirus-in-cats-in-istanbul-turkey
#14
Huseyin Yilmaz, Bilge K Tekelioglu, Aydin Gurel, Ozge E Bamac, Gulay Y Ozturk, Utku Y Cizmecigil, Eda A Tarakci, Ozge Aydin, Aysun Yilmaz, Eduardo Berriatua, Chris R Helps, Juergen A Richt, Nuri Turan
Objectives The aim of the study was to investigate feline morbillivirus (FmoPV) frequency, phylogeny and associated pathology in cats in Istanbul, Turkey. Methods Samples from sick (n = 96) and dead ( n = 15) cats were analysed using reverse transcription PCR. Blood and urine analyses and histopathology were also performed. Results FmoPV RNA was detected in six cats (5.4%), including three sick (in the urine) and three dead cats (tissues). A significantly greater proportion of FmoPV RNA-positive cats had street access compared with non-infected cats...
January 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28108890/toxic-and-heavy-metals-as-a-cause-of-crayfish-mass-mortality-from-acidified-headwater-streams
#15
Jitka Svobodová, Karel Douda, David Fischer, Natalia Lapšanská, Pavel Vlach
Mining activities are responsible for high concentrations of metals in river networks in many parts of the world. Mining activities and the resulting high loads of heavy metals interact with intensive acid rain, and often have great consequences for biodiversity. However, considering the frequently episodic nature of these heavy acid rains, there is little detailed evidence of direct impacts. In 2011 we observed a massive mortality of noble crayfish and stone crayfish in Padrťsko Special Area of Conservation (SAC) in the Brdy Mountain region of the Czech Republic...
January 21, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28103142/mapping-of-calf-death-in-japanese-black-cattle
#16
Takashi Hirano, Shota Nishimura, Hiromi Hara, Yoshikazu Sugimoto, Kei Hanzawa
Weak calf syndrome (WCS) is a major cause of calf death in Japanese Black cattle. Among IARS disorders, the isoleucyl-tRNA synthetase c.235G>C mutation has been identified as one of the causes of WCS. However, calf deaths differing from those attributed to IARS disorder has been occurring. To identify other genes potentially responsible for these calf deaths, we constructed three populations of three bulls (Bull-1, -2 and -3) that did not carry the IARS mutation, and dead calves (18, 28, and 31 calves) and healthy cattle (18, 15, and 10 cattle) sired by these bulls...
January 19, 2017: Animal Biotechnology
https://www.readbyqxmd.com/read/28101934/detection-of-neonatal-unit-clusters-of-candida-parapsilosis-fungaemia-by-microsatellite-genotyping-results-from-laboratory-based-sentinel-surveillance-south-africa-2009-2010
#17
Rindidzani E Magobo, Serisha D Naicker, Jeannette Wadula, Maphoshane Nchabeleng, Yacoob Coovadia, Anwar Hoosen, Shawn R Lockhart, Nelesh P Govender
Neonatal candidaemia is a common, deadly and costly hospital-associated disease. To determine the genetic diversity of Candida parapsilosis causing fungaemia in South African neonatal intensive care units (NICUs). From February 2009 through to August 2010, cases of candidaemia were reported through laboratory-based surveillance. C. parapsilosis isolates from neonatal cases were submitted for identification by internal transcribed spacer (ITS) region sequencing, antifungal susceptibility testing and microsatellite genotyping...
January 19, 2017: Mycoses
https://www.readbyqxmd.com/read/28101534/pathogenicity-determinants-of-the-human-malaria-parasite-plasmodium-falciparum-have-ancient-origins
#18
Andrew J Brazier, Marion Avril, Maria Bernabeu, Maxwell Benjamin, Joseph D Smith
Plasmodium falciparum, the most deadly of the human malaria parasites, is a member of the Laverania subgenus that also infects African Great Apes. The virulence of P. falciparum is related to cytoadhesion of infected erythrocytes in microvasculature, but the origin of dangerous parasite adhesion traits is poorly understood. To investigate the evolutionary history of the P. falciparum cytoadhesion pathogenicity determinant, we studied adhesion domains from the chimpanzee malaria parasite P. reichenowi. We demonstrate that the P...
January 2017: MSphere
https://www.readbyqxmd.com/read/28095668/recovery-of-oswaldotrema-nacinovici-from-whimbrels-aves-in-korea
#19
Young-Il Lee, Ok-Sik Chung, Min Seo
Adult specimens of Oswaldotrema nacinovici (Digenea: Philophthalmidae) have been first identified in Korea from 2 migratory birds (whimbrels, Numenius phaeopus) which were found dead at a western seashore area near Gunsan. The worms were recovered in the intestine of these birds. The worms were morphologically characterized by a large ventral sucker in comparison to the oral sucker, an external seminal vesicle extending beyond the posterior margin of the ventral sucker, and conspicuous uterine seminal receptacle...
December 2016: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28081126/a-pan-lyssavirus-taqman-real-time-rt-pcr-assay-for-the-detection-of-highly-variable-rabies-virus-and-other-lyssaviruses
#20
Ashutosh Wadhwa, Kimberly Wilkins, Jinxin Gao, Rene Edgar Condori Condori, Crystal M Gigante, Hui Zhao, Xiaoyue Ma, James A Ellison, Lauren Greenberg, Andres Velasco-Villa, Lillian Orciari, Yu Li
Rabies, resulting from infection by Rabies virus (RABV) and related lyssaviruses, is one of the most deadly zoonotic diseases and is responsible for up to 70,000 estimated human deaths worldwide each year. Rapid and accurate laboratory diagnosis of rabies is essential for timely administration of post-exposure prophylaxis in humans and control of the disease in animals. Currently, only the direct fluorescent antibody (DFA) test is recommended for routine rabies diagnosis. Reverse-transcription polymerase chain reaction (RT-PCR) based diagnostic methods have been widely adapted for the diagnosis of other viral pathogens, but there is currently no widely accepted rapid real-time RT-PCR assay for the detection of all lyssaviruses...
January 2017: PLoS Neglected Tropical Diseases
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