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https://www.readbyqxmd.com/read/28803536/bovine-viral-diarrhea-virus-1b-fetal-infection-with-extensive-hemorrhage
#1
Robert W Fulton, Anthony W Confer, Nicholas J Sorensen, Julia F Ridpath, Lurinda J Burge
Bovine viral diarrhea virus (BVDV) 1b was isolated from tissues of a term bovine fetus with petechial hemorrhages noted throughout the body and placenta at autopsy. Fresh lung, kidney, thymus, and liver tissues were examined by direct fluorescent antibody testing and were positive for BVDV antigen and negative for bovine herpesvirus 1 antigen. An organ pool of fresh tissues was positive for noncytopathic (NCP) BVDV-1 by virus isolation. BVDV-1b was identified by sequencing of the 5'-UTR region of the genome...
August 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28799855/surgical-management-of-cervical-spine-deformity-in-chondrodysplasia-punctata
#2
Nobuhito Morota, Satoshi Ihara, Hideki Ogiwara, Goichiro Tamura
OBJECTIVE Chondrodysplasia punctata (CDP), a rare skeletal dysplasia, can lead to cervical spine instability and deformity. However, an optimal neurosurgical intervention has yet to be established. Thus, a retrospective study was conducted to assess the efficacy of various surgical interventions for children with CDP. METHODS The authors retrospectively reviewed 9 cases of CDP in which cervical decompression with or without posterior fusion was performed between April 2007 and May 2016. Patient demographics, preoperative clinical conditions, radiographic findings, surgical procedures, and the postoperative course were analyzed in detail...
August 11, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28790986/colonisation-of-meat-by-escherichia-coli-o157-h7-investigating-bacterial-tropism-with-respect-to-the-different-types-of-skeletal-muscles-subtypes-of-myofibres-and-postmortem-time
#3
Caroline Chagnot, Annie Venien, Sandra Renier, Nelly Caccia, Régine Talon, Thierry Astruc, Mickaël Desvaux
Escherichia coli O157:H7 is an enterohaemorrhagic E. coli (EHEC) responsible for serious diseases, especially pediatric, and of great concern for the meat industry. Meat contamination by EHEC occurs at slaughtering, especially at dehiding stage, where bacteria can be transferred from hides to carcasses. The skeletal muscle tissues comprise four major types of myofibres, which differ in their contraction velocity and metabolism. Myofibres are surrounded by the extracellular matrix (ECM). Adhesion of E. coli O157:H7 to meat was investigated considering well-defined types of skeletal muscle and their constituent myofibres as well as postmortem changes in muscle, using fluorescence microscopy and immunohistochemical analyses...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28775382/divergent-co-transcriptomes-of-different-host-cells-infected-with-toxoplasma-gondii-reveal-cell-type-specific-host-parasite-interactions
#4
Izabela J Swierzy, Ulrike Händel, Alexander Kaever, Michael Jarek, Maren Scharfe, Dirk Schlüter, Carsten G K Lüder
The apicomplexan parasite Toxoplasma gondii infects various cell types in avian and mammalian hosts including humans. Infection of immunocompetent hosts is mostly asymptomatic or benign, but leads to development of largely dormant bradyzoites that persist predominantly within neurons and muscle cells. Here we have analyzed the impact of the host cell type on the co-transcriptomes of host and parasite using high-throughput RNA sequencing. Murine cortical neurons and astrocytes, skeletal muscle cells (SkMCs) and fibroblasts differed by more than 16,200 differentially expressed genes (DEGs) before and after infection with T...
August 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28764233/multifocal-tubercular-dactylitis-a-rare-presentation-of-skeletal-tuberculosis-in-an-adult
#5
Pravat Thatoi, Manoj Parida, Rakesh Barik, Bidyut Das
Tubercular dactylitis is an uncommon form of osteo-articular tuberculosis seen in children. Multifocal involvement, simultaneously involving hands and feet is extremely uncommon. Here we report an adult patient with tubercular dactylitis involving multiple digits of both hands and second digit of right foot in absence of any risk factors like immunodeficiency or any debilitating condition. The patient was successfully treated with anti-tubercular drugs for six months. Mycobacterium tuberculosis infection of bones and joints can present in an unusual way but early diagnosis and treatment caries a good prognosis...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28763160/crispr-cas9-mediated-targeting-of-the-rosa26-locus-produces-cre-reporter-rat-strains-for-monitoring-cre-loxp-mediated-lineage-tracing
#6
Yuanwu Ma, Lei Yu, Shuo Pan, Shan Gao, Wei Chen, Xu Zhang, Wei Dong, Jing Li, Rui Zhou, Lan Huang, Yunlin Han, Lin Bai, Li Zhang, Lianfeng Zhang
The rat is an important laboratory animal for physiological, toxicological and pharmacological studies. CRISPR/Cas9 is a simple and efficient tool to generate precise genetic modifications in rats, which will promote the accumulation of rat genetic resources and enable more precise studies of gene function. To monitor Cre/loxP-mediated excision in vivo, we generated a Cre reporter rat strain (Rosa26-imCherry) by knockin of a Cre reporter cassette at Rosa26 locus using CRISPR/Cas9. Rosa26-imCherry rats exhibited inducible expression of the mCherry cassette (imCherry) using the Cre/loxP system, whereas normal rats exhibited ubiquitous expression of eGFP but not mCherry in the whole body...
August 1, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28757453/lnc133b-a-novel-long-non-coding-rna-regulates-bovine-skeletal-muscle-satellite-cell-proliferation-and-differentiation-by-mediating-mir-133b
#7
Cong Fei Jin, Yan Li, Xiang Bin Ding, Xin Li, Lin Lin Zhang, Xin Feng Liu, Hong Guo
The proliferation and differentiation of skeletal muscle satellite cells is regulated by multiple regulatory factors including non-coding RNAs. It has been reported that miR-133b regulates myogenesis. In this study, we detected a novel lncRNA, lnc133b, which is completely complemented by mature miR-133b, indicating that lnc133b may regulate the expression of miR-133b by "sponge" miR-133b. A luciferase report assay confirmed that lnc133b interacts with miR-133b in regions complemented by miR-133b. We successfully constructed lnc133b gain/loss-of-function cell models by infecting LV-1nc133b and transfecting si-lnc133b into satellite cells...
July 27, 2017: Gene
https://www.readbyqxmd.com/read/28747427/a-biallelic-mutation-in-il6st-encoding-the-gp130-co-receptor-causes-immunodeficiency-and-craniosynostosis
#8
Tobias Schwerd, Stephen R F Twigg, Dominik Aschenbrenner, Santiago Manrique, Kerry A Miller, Indira B Taylor, Melania Capitani, Simon J McGowan, Elizabeth Sweeney, Astrid Weber, Liye Chen, Paul Bowness, Andrew Riordan, Andrew Cant, Alexandra F Freeman, Joshua D Milner, Steven M Holland, Natalie Frede, Miryam Müller, Dirk Schmidt-Arras, Bodo Grimbacher, Steven A Wall, E Yvonne Jones, Andrew O M Wilkie, Holm H Uhlig
Multiple cytokines, including interleukin 6 (IL-6), IL-11, IL-27, oncostatin M (OSM), and leukemia inhibitory factor (LIF), signal via the common GP130 cytokine receptor subunit. In this study, we describe a patient with a homozygous mutation of IL6ST (encoding GP130 p.N404Y) who presented with recurrent infections, eczema, bronchiectasis, high IgE, eosinophilia, defective B cell memory, and an impaired acute-phase response, as well as skeletal abnormalities including craniosynostosis. The p.N404Y missense substitution is associated with loss of IL-6, IL-11, IL-27, and OSM signaling but a largely intact LIF response...
July 26, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28745821/comparative-pathogenesis-of-piscirickettsiosis-in-atlantic-salmon-salmo-salar-l-post-smolt-experimentally-challenged-with-lf-89-like-and-em-90-like-piscirickettsia-salmonis-isolates
#9
M Rozas-Serri, R Ildefonso, A Peña, R Enríquez, S Barrientos, L Maldonado
Piscirickettsiosis (SRS) is the most prevalent bacterial disease in Chilean salmon aquaculture and is responsible for high economic losses. The aim of this study was to comparatively characterize the pathogenesis of SRS in post-smolt Atlantic salmon during the early and late stages of infection with Piscirickettsia salmonis LF-89-like (PS-LF-89) and EM-90-like (PS-EM-90) using a cohabitation challenge. The pathogenesis of cohabitant fish infected with the two isolates was relatively different due to cohabitant fish infected with PS-EM-90 showing higher cumulative mortality and shorter time until death compared with PS-LF-89 fish...
July 26, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28740509/multiple-bony-injuries-on-bone-scan-in-a-case-of-unsuspected-child-abuse
#10
Ya-Wen Chuang, Chien-Chin Hsu, Chin-Chuan Chang, Chia-Yang Lin, Hsiu-Lan Chu, Ying-Fong Huang, Yu-Chang Tyan
This case is described of an eleven-month-old infant with lower limbs swelling and the left elbow skeletal malformation following a fall. The radionuclide bone scan was performed to exclude bone infection or congenital skeletal anomaly. The images unexpectedly showed multiple increased radioactive foci throughout the whole body. It was a strong probability of child abuse. All lesions are readily apparent on the following plain film radiographs and MRI.
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28739367/a-hyperendemic-focus-of-taenia-solium-transmission-in-the-banke-district-of-nepal
#11
Keshav Sah, Ishab Poudel, Suyog Subedi, Dinesh Kumar Singh, Jo Cocker, Peetambar Kushwaha, Angela Colston, Meritxell Donadeu, Marshall W Lightowlers
Neurocysticercosis is a major cause of epilepsy in countries where Taenia solium is endemic and the parasite is a major cause of food-borne disease globally. Pigs are the natural intermediate host involved in transmission of the parasite. T. solium is known to be endemic in Nepal, however there is limited reliable data about the prevalence of the disease in Nepal. The aim of this study was to determine accurately the prevalence of porcine cysticercosis in slaughter age pigs in an area of Nepal where pigs are known to be free-roaming...
July 21, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28721123/aborted-fetal-sizes-of-thoroughbred-horses-in-hidaka-japan-between-2005-and-2015
#12
Harutaka Murase, Masaki Miyazawa, Takehiro Harada, Midori Ozawa, Fumio Sato, Tetsuro Hada
The degree of fetal growth restriction has been unclear in equine reproduction. In this study, 2,195 fetuses from 2,137 abortions during 11 seasons were examined to determine the causes of abortion, and fetal size dimensions (crown rump length and body weight) were measured. In total, 900 cases (42.1%) of abortion were identified as caused by viral infection (215, 10.1%), bacterial infection (156, 7.3%), fungal infection (25, 1.2%), circulation failure (406, 19.0%), multiple causes (66, 3.1%), deformity (13, 0...
2017: Journal of Equine Science
https://www.readbyqxmd.com/read/28700748/hypoxia-tolerance-and-responses-to-hypoxic-stress-during-heart-and-skeletal-muscle-inflammation-in-atlantic-salmon-salmo-salar
#13
Morten Lund, Maria Krudtaa Dahle, Gerrit Timmerhaus, Marta Alarcon, Mark Powell, Vidar Aspehaug, Espen Rimstad, Sven Martin Jørgensen
Heart and skeletal muscle inflammation (HSMI) is associated with Piscine orthoreovirus (PRV) infection and is an important disease in Atlantic salmon (Salmo salar) aquaculture. Since PRV infects erythrocytes and farmed salmon frequently experience environmental hypoxia, the current study examined mutual effects of PRV infection and hypoxia on pathogenesis and fish performance. Furthermore, effects of HSMI on hypoxia tolerance, cardiorespiratory performance and blood oxygen transport were studied. A cohabitation trial including PRV-infected post-smolts exposed to periodic hypoxic stress (4 h of 40% O2; PRV-H) at 4, 7 and 10 weeks post-infection (WPI) and infected fish reared under normoxic conditions (PRV) was conducted...
2017: PloS One
https://www.readbyqxmd.com/read/28699003/sarcopenia-is-an-independent-predictor-of-complications-after-colorectal-cancer-surgery
#14
Ryota Nakanishi, Eiji Oki, Shun Sasaki, Kosuke Hirose, Tomoko Jogo, Keitaro Edahiro, Shotaro Korehisa, Daisuke Taniguchi, Kensuke Kudo, Junji Kurashige, Masahiko Sugiyama, Yuichiro Nakashima, Kippei Ohgaki, Hiroshi Saeki, Yoshihiko Maehara
PURPOSE: The significance of sarcopenia after colorectal cancer (CRC) resection has only been discussed with relatively small samples or short follow-up periods. This study aimed to clarify the clinical significance of sarcopenia in a large-sample study. METHODS: We retrospectively analyzed the relationship between sarcopenia and clinical factors, surgical outcomes, and the survival in 494 patients who underwent CRC surgery between 2004 and 2013. Sarcopenia was defined based on the sex-specific skeletal muscle mass index measured by preoperative computed tomography...
July 11, 2017: Surgery Today
https://www.readbyqxmd.com/read/28698666/modelling-person-to-person-transmission-in-an-enterovirus-a71-orally-infected-hamster-model-of-hand-foot-and-mouth-disease-and-encephalomyelitis
#15
Win Kyaw Phyu, Kien Chai Ong, Kum Thong Wong
Enterovirus A71 (EV-A71) causes hand-foot-and-mouth disease (HFMD), which may be complicated by fatal encephalomyelitis. Although fecal-oral or oral-oral routes are important in person-to-person transmission, how viral shedding and exposure may predispose individuals to infection remains unknown. We investigated person-to-person transmission by using a model of HFMD and encephalomyelitis based on EV-A71 oral infection of 2-week-old hamsters. Animals (index animals) infected with 10(4) 50% cell culture infective doses of virus uniformly developed severe disease four days post-infection (dpi), whereas littermate contacts developed severe disease after six to seven days of exposure to index animals...
July 12, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28695558/rehabilitation-in-patients-with-pulmonary-arterial-hypertension
#16
Stephan Keusch, Alexander Turk, Stéphanie Saxer, Nicola Ehlken, Ekkehard Grunig, Silvia Ulrich, On Behalf Of The Swiss Society Of Pulmonary Hypertension
Exertional dyspnoea is a leading symptom in patients with pulmonary arterial hypertension (PAH). Patients suffering from PAH report poor quality of life, have skeletal muscle dysfunction and in the absence of advanced medical therapy deteriorate progressively due to right heart failure which can lead to death. For decades, patients with PAH were advised to avoid exercise in fear of exacerbated right heart failure. Recently, it has been shown that a highly supervised rehabilitation programme in expert centres leads to significant improvements in symptoms, quality of life, exercise capacity and may even enhance haemodynamics in selected stable patients treated with advanced regimens of PAH-targeted drugs...
July 11, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28694639/primary-paraspinal-hydatidosis-causing-acute-paraplegia
#17
Srihari Sridharan, G S Jagan Narayana, Kalyanasundarabharathi Chidambaram, Anand Prasath Jayachandiran
The zoonotic infection hydatidosis is caused by the tapeworm cestode, Echinococcus granulosus. Though considered endemic in India where association of humans with sheep and dogs form part of the livelihood, primary skeletal muscle involvement of the disease is an extremely rare event. We report a case of primary paraspinal hydatidosis with extradural extension causing acute paraplegia. Excision of the cyst and decompression of the cord was done along with albendazole therapy. Paraspinal hydatid disease is a rare entity, and in regions where hydatid disease is endemic, it can be involved in the differential diagnosis of acute compressive myelopathy...
July 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28689456/chest-deformity-and-disability-due-to-tenofovir-induced-hypophosphatemic-osteomalacia-case-report-and-call-for-improved-global-access-to-laboratory-testing
#18
Jan Hajek, Simple Ouma, Juliya Hemmett, Rob Starko, Paska Apiyo
Millions of people worldwide take tenofovir disoproxil fumarate (TDF) for the treatment of human immunodeficiency virus (HIV) and/or hepatitis B infection. Although generally safe and well tolerated, clinicians need to be aware that TDF can cause proximal renal tubular dysfunction and loss of bone mineral density, especially in patients with concomitant renal disease or other risk factors. We present the case of a patient with chronic HIV infection and urethral stricture who developed TDF-related proximal renal tubular dysfunction with hypophosphatemia and osteomalacia, presenting with bone pains, skeletal deformity, and disability...
January 1, 2017: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/28686645/non-skeletal-health-effects-of-vitamin-d-supplementation-a-systematic-review-on-findings-from-meta-analyses-summarizing-trial-data
#19
Lars Rejnmark, Lise Sofie Bislev, Kevin D Cashman, Gudny Eiríksdottir, Martin Gaksch, Martin Grübler, Guri Grimnes, Vilmundur Gudnason, Paul Lips, Stefan Pilz, Natasja M van Schoor, Mairead Kiely, Rolf Jorde
BACKGROUND: A large number of observational studies have reported harmful effects of low 25-hydroxyvitamin D (25OHD) levels on non-skeletal outcomes. We performed a systematic quantitative review on characteristics of randomized clinical trials (RCTs) included in meta-analyses (MAs) on non-skeletal effects of vitamin D supplementation. METHODS AND FINDINGS: We identified systematic reviews (SR) reporting summary data in terms of MAs of RCTs on selected non-skeletal outcomes...
2017: PloS One
https://www.readbyqxmd.com/read/28678799/infection-experiments-with-novel-piscine-orthoreovirus-from-rainbow-trout-oncorhynchus-mykiss-in-salmonids
#20
Helena Hauge, Niccolo Vendramin, Torunn Taksdal, Anne Berit Olsen, Øystein Wessel, Susie Sommer Mikkelsen, Anna Luiza Farias Alencar, Niels Jørgen Olesen, Maria Krudtaa Dahle
A new disease in farmed rainbow trout (Onchorhyncus mykiss) was described in Norway in 2013. The disease mainly affected the heart and resembled heart and skeletal muscle inflammation (HSMI) in Atlantic salmon (Salmo salar L.). HSMI is associated with Piscine orthoreovirus (PRV), and a search for a similar virus in the diseased rainbow trout led to detection of a sequence with 85% similarity to PRV. This finding called for a targeted effort to assess the risk the new PRV-variant pose on farmed rainbow trout and Atlantic salmon by studying infection and disease pathogenesis, aiming to provide more diagnostic knowledge...
2017: PloS One
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