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https://www.readbyqxmd.com/read/28822107/successful-treatment-and-fdg-pet-ct-monitoring-of-hhv-6-encephalitis-in-a-non-neutropenic-patient-case-report-and-literature-review
#1
Elda Righi, Alessia Carnelutti, Daniele Muser, Francesco Zaja, Elisa Lucchini, Federico Pea, Fernando Di Gregorio, Abass Alavi, Matteo Bassetti
Human herpesvirus (HHV)-6 reactivation is associated with severe forms of encephalitis among patients undergoing hematopoietic stem cell transplantation. Cases in non-neutropenic patients are uncommon. The efficacy of ganciclovir and other compounds that are used for the treatment of HHV-6 encephalitis remains suboptimal and linked to toxicity. Valganciclovir, the oral prodrug of ganciclovir, could be practical to treat outpatients, but it is not commonly used for severe cases. We report a case of HHV-6 encephalitis in a non-neutropenic patient successfully treated with valganciclovir and undergoing therapeutic drug monitoring in plasma and in the cerebrospinal fluid...
August 18, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28821882/identification-of-a-short-sequence-in-the-hcmv-terminase-pul56-essential-for-interaction-with-pul89-subunit
#2
G Ligat, C Jacquet, S Chou, A Couvreux, S Alain, S Hantz
The human cytomegalovirus (HCMV) terminase complex consists of several components acting together to cleave viral DNA into unit length genomes and translocate them into capsids, a critical process in the production of infectious virions subsequent to DNA replication. Previous studies suggest that the carboxyl-terminal portion of the pUL56 subunit interacts with the pUL89 subunit. However, the specific interacting residues of pUL56 remain unknown. We identified a conserved sequence in the C-terminal moiety of pUL56 (671WMVVKYMGFF680)...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821767/identification-of-candidate-genes-for-devil-facial-tumour-disease-tumourigenesis
#3
Robyn L Taylor, Yiru Zhang, Jennifer P Schöning, Janine E Deakin
Devil facial tumour (DFT) disease, a transmissible cancer where the infectious agent is the tumour itself, has caused a dramatic decrease in Tasmanian devil numbers in the wild. The purpose of this study was to take a candidate gene/pathway approach to identify potentially perturbed genes or pathways in DFT. A fusion of chromosome 1 and X is posited as the initial event leading to the development of DFT, with the rearranged chromosome 1 material now stably maintained as the tumour spreads through the population...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821698/schmallenberg-virus-infection-in-scottish-cattle
#4
(no author information available yet)
Schmallenberg virus infection on cattle farms in southern ScotlandOutbreaks of infectious bovine rhinotracheitisSalmonella Bovismorbificans infection in cattle and sheepGastric ulceration in pigsTrichomonosis in a sparrowhawk and a hen harrierThese are among matters discussed in the disease surveillance report for April 2017 from SAC Consulting: Veterinary Services (SAC C VS).
August 19, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28821618/region-specific-protein-misfolding-cyclic-amplification-reproduces-brain-tropism-of-prion-strains
#5
Nicolas Privat, Etienne Levavasseur, Serfildan Yildirim, Samia Hannaoui, Jean-Philippe Brandel, Jean-Louis Laplanche, Vincent Béringue, Danielle Seilhean, Stéphane Haïk
Human prion diseases such as Creutzfeldt-Jakob disease are transmissible brain proteinopathies, characterized by the accumulation of a misfolded isoform of the host cellular prion protein (PrP) in the brain. According to the prion model, prions are defined as proteinaceous infectious particles composed solely of this abnormal isoform of PrP (PrPSc). Even in the absence of genetic material, various prion strains can be propagated in experimental models. They can be distinguished by the pattern of disease they produce and especially by the localization of PrPSc deposits within the brain and the spongiform lesions they induce...
August 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28821454/low-dose-anti-thymocyte-globulin-for-graft-versus-host-disease-prophylaxis-in-matched-unrelated-allogeneic-hematopoietic-stem-cell-transplant
#6
A Bryant, R Mallick, L Huebsch, D Allan, H Atkins, G Anstee, M Sabloff, N Scrivens, D Maze, C Bredeson, N Kekre
Graft-versus-host disease (GVHD) is a leading cause of morbidity and mortality in allogeneic hematopoietic stem cell transplantation (alloHCT). Prophylactic in-vivo T-Cell depletion with antithymocyte globulin (ATG) has been associated with decreased GVHD rates many alloHCT settings. Despite decades of clinical study, optimal ATG dosing has not been established. Understanding that higher rates of GVHD are observed with matched unrelated (MUD) versus matched related donor (MRD) alloHCT, at our institution MUD alloHSCT recipients have historically had low dose thymoglobulin (total dose 2...
August 15, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28820984/identification-of-m-tuberculosis-antigens-in-the-sera-of-tuberculosis-patients-using-biomimetic-affinity-chromatography-in-conjunction-with-esi-cid-ms-ms
#7
Guorong Ma, Jinting Pan, Jincheng Han, Lina Gao, Shulin Zhang, Rongxiu Li
The profiling of abnormally-expressed proteins in host cells using mass spectrometry (MS) analysis is a classical approach for screening disease-associated biomarkers in clinical diagnosis. However, few pathogen-specific antigens can currently be detected in serum using this proteomic approach, since these are very low-abundant proteins that are easily masked by host high-abundant proteins. Identification of pathogen-specific antigens in the sera of tuberculosis patients is crucial for the clinical diagnosis of this infectious disease, especially in immune-compromised patients...
July 31, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28820883/spatial-clustering-of-patent-and-sub-patent-malaria-infections-in-northern-namibia-implications-for-surveillance-and-response-strategies-for-elimination
#8
Jennifer L Smith, Joyce Auala, Munyaradzi Tambo, Erastus Haindongo, Stark Katokele, Petrina Uusiku, Roly Gosling, Immo Kleinschmidt, Davis Mumbengegwi, Hugh J W Sturrock
BACKGROUND: Reactive case detection (RACD) around passively detected malaria cases is a strategy to identify and treat hotspots of malaria transmission. This study investigated the unproven assumption on which this approach is based, that in low transmission settings, infections cluster over small scales. METHODS: A prospective case-control study was conducted between January 2013 and August 2014 in Ohangwena and Omusati regions in north central Namibia. Patients attending health facilities who tested positive by malaria rapid diagnostic test (RDT) (index cases) were traced back to their home...
2017: PloS One
https://www.readbyqxmd.com/read/28820881/vector-competence-of-populations-of-aedes-aegypti-from-three-distinct-cities-in-kenya-for-chikungunya-virus
#9
Sheila B Agha, Edith Chepkorir, Francis Mulwa, Caroline Tigoi, Samwel Arum, Milehna M Guarido, Peris Ambala, Betty Chelangat, Joel Lutomiah, David P Tchouassi, Michael J Turell, Rosemary Sang
BACKGROUND: In April, 2004, chikungunya virus (CHIKV) re-emerged in Kenya and eventually spread to the islands in the Indian Ocean basin, South-East Asia, and the Americas. The virus, which is often associated with high levels of viremia in humans, is mostly transmitted by the urban vector, Aedes aegypti. The expansion of CHIKV presents a public health challenge both locally and internationally. In this study, we investigated the ability of Ae. aegypti mosquitoes from three distinct cities in Kenya; Mombasa (outbreak prone), Kisumu, and Nairobi (no documented outbreak) to transmit CHIKV...
August 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28820685/immune-reconstitution-inflammatory-syndrome-in-hiv-infected-immigrants
#10
María Pérez-Rueda, Michele Hernández-Cabrera, Adela Francés-Urmeneta, Alfonso Angel-Moreno, Elena Pisos-Álamo, Nieves Jaén-Sánchez, Cristina Carranza-Rodríguez, Jose-Luis Pérez-Arellano
Immune reconstitution inflammatory syndrome (IRIS) includes a group of potentially serious inflammatory processes that may be present in HIV-infected patients after initiating highly active antiretroviral therapy (HAART). Paradoxical IRIS is a worsening of symptoms, after an overwhelming response to a previously diagnosed opportunistic infection (OI); unmasking IRIS reveals a previously occult OI. The main objective of the study was to describe the epidemiological, clinical, and outcome data of HIV-infected immigrants, stratified according to high- or low-income countries of origin, who developed IRIS and to compare them with native-born Spanish patients...
August 14, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820471/metal-based-nanoparticles-for-the-treatment-of-infectious-diseases
#11
REVIEW
Blessing Atim Aderibigbe
Infectious diseases can be transmitted and they cause a significant burden on public health globally. They are the greatest world killers and it is estimated that they are responsible for the demise of over 17 million people annually. The impact of these diseases is greater in the developing countries. People with compromised immune systems and children are the most affected. Infectious diseases may be caused by bacteria, viruses, and protozoa. The treatment of infectious diseases is hampered by simultaneous resistance to multiple drugs, indicating that there is a serious and pressing need to develop new therapeutics that can overcome drug resistance...
August 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28820454/personal-hygiene-practices-among-urban-homeless-persons-in-boston-ma
#12
Jessica H Leibler, Daniel D Nguyen, Casey León, Jessie M Gaeta, Debora Perez
Persons experiencing homelessness in the United States experience significant barriers to self-care and personal hygiene, including limited access to clean showers, laundry and hand washing facilities. While the obstacles to personal hygiene associated with homelessness may increase risk of infectious disease, hygiene-related behaviors among people experiencing homelessness has received limited attention. We conducted a cross-sectional study of individuals experiencing homelessness in Boston, MA (n = 194) to identify hygiene-related self-care practices and risk factors for reduced hygiene in this population...
August 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28820413/-infectious-causes-of-miscarriage
#13
G Okoev, G Gomcyan, L Manukyan
The aim of thiswork was to find out the infection causes and to assess the species composition of microflora of the vagina and cervix in women with miscarriage and chronic endometritis. The investigation of66 womenwith miscarriage (MC) with histological criteria of chronic endometritis (CE) has been done (main group). The control group consistsof 20 healthywomen of reproductiveage. The marked changes in the vagina and cervical canal mikroflora in women with MC and CE are registered. The latter is expressed is quantitative reduction of lactobacilli (20% and 75% in vagina, 7,5% and 60% in cervical canal in main and control groups correspondingly)andincrease in the number of opportunistic pathogens...
July 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28820412/-to-the-state-of-the-fetoplacental-complex-in-women-with-the-threat-of-abortion
#14
L Rzaguliyeva, Z Osmanli, S Akperbekova, N Meybalizade
The goal is a comprehensive study of the morphofunctional state of the mother-placenta-fetus system in placental insufficiency and infection. 250 pregnant and puerperas for the period 2008-2014 were examined. Detection of bacterial flora was carried out in 35 pregnant women aged 20.4±0.8 years with the threat of abortion from an early gestation period and a prolonged persistent infection of the genitals, bacterial vaginosis. Methods are applied: culture, ion chromatography, gas-liquid chromatography with mass spectrometry...
July 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28820387/infectious-polymorphic-toxins-delivered-by-outer-membrane-exchange-discriminate-kin-in-myxobacteria
#15
Christopher N Vassallo, Pengbo Cao, Austin Conklin, Hayley Finkelstein, Christopher S Hayes, Daniel Wall
Myxobacteria are known for complex social behaviors including outer membrane exchange (OME), in which cells exchange large amounts of outer membrane lipids and proteins upon contact. The TraA cell surface receptor selects OME partners based on a variable domain. However, traA polymorphism alone is not sufficient to precisely discriminate kin. Here, we report a novel family of OME-delivered toxins that promote kin discrimination of OME partners. These SitA lipoprotein toxins are polymorphic and widespread in myxobacteria...
August 18, 2017: ELife
https://www.readbyqxmd.com/read/28820382/myocarditis-caused-by-human-parechovirus-in-adult
#16
Khai Lin Kong, Jillian S Y Lau, Su Mei Goh, Heather L Wilson, Mike Catton, Tony M Korman
The infectious etiology of myocarditis often remains unidentified. We report a case of myocarditis associated with human parechovirus (HPeV) infection in an adult. HPeV is an emerging pathogen that can cause serious illness, including myocarditis, in adults. Testing for HPeV should be considered in differential diagnosis of myocarditis.
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28820346/attitudes-and-potential-barriers-towards-hepatitis-c-treatment-in-patients-with-and-without-hiv-coinfection
#17
P R Allyn, S M O'Malley, J Ferguson, C H Tseng, K W Chew, D Bhattacharya
This study aimed to assess attitudes and potential barriers towards treatment in patients with hepatitis C virus (HCV) infection, comparing those with and without HIV coinfection. A cross-sectional survey of 82 HCV-infected adults with and without HIV was conducted in greater Los Angeles between November 2013 and July 2015. Overall, there were 53 (64.6%) with HIV coinfection, 20 (25.0%) with self-reported cirrhosis, and 22 (26.8%) with a history of prior HCV treatment. Of all, 93.2% wanted HCV treatment, but 45...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28820131/norovirus-in-bottled-water-associated-with-gastroenteritis-outbreak-spain-2016
#18
Albert Blanco, Susana Guix, Noemí Fuster, Cristina Fuentes, Rosa Bartolomé, Thais Cornejo, Rosa Maria Pintó, Albert Bosch
In April 2016, an outbreak of gastrointestinal illness (4,136 cases) occurred in Catalonia, Spain. We detected high levels of norovirus genotypes I and II in office water coolers associated with the outbreak. Infectious viral titer estimates were 33-49 genome copies/L for genotype I and 327-660 genome copies/L for genotype II.
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28819973/mobile-platform-for-multiplexed-detection-and-differentiation-of-disease-specific-nucleic-acid-sequences-using-microfluidic-loop-mediated-isothermal-amplification-and-smartphone-detection
#19
Weili Chen, Hojeong Yu, Fu Sun, Akid Ornob, Ryan Brisbin, Anurup Ganguli, Vinay Kumar Vemuri, Piotr Strzebonski, Guangzhe Cui, Karen J Allen, Smit A Desai, Weiran Lin, David M Nash, David Hirschberg, Ian Brooks, Rashid Bashir, Brian T Cunningham
New tools are needed to enable rapid detection, identification, and reporting of infectious viral and microbial pathogens in a wide variety of point-of-care applications that impact human and animal health. We report the design, construction, and characterization of a platform for multiplexed analysis of disease-specific DNA sequences that utilizes a smartphone camera as the sensor in conjunction with a handheld "cradle" that interfaces the phone with a silicon-based microfluidic chip embedded within a credit card-sized cartridge...
August 18, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28819694/thoracic-corpectomy-for-neoplastic-vertebral-bodies-using-a-navigated-lateral-extracavitary-approach-a-single-center-consecutive-case-series-technique-and-analysis
#20
Sebastian Hartmann, Christoph Wipplinger, Anja Tschugg, Pujan Kavakebi, Alexander Örley, Pierre Pascal Girod, Claudius Thomé
Thoracic myelopathy is often caused by vertebral body fractures resulting from neoplastic conditions, traumatic events, or infectious diseases. One of the preferred procedures for treating it is the lateral extracavitary approach (LECA) with single-level or multilevel decompressive corpectomy and reconstruction. The aim of this retrospective study was to analyze the thoracic lateral extracavitary approach with corpectomy using vertebral body replacement systems (VBR-S) and dorsal reconstruction. Twenty-four patients with metastatic or primary lesions of thoracic vertebrae T2-T12 underwent spinal decompression and ventral column reconstruction with correction of spinal deformity via a LECA...
August 17, 2017: Neurosurgical Review
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