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https://www.readbyqxmd.com/read/28646651/use-of-sequence-independent-single-primer-amplification-sispa-for-rapid-detection-identification-and-characterization-of-avian-rna-viruses
#1
Klaudia Chrzastek, Dong-Hun Lee, Diane Smith, Poonam Sharma, David L Suarez, Mary Pantin-Jackwood, Darrell R Kapczynski
Current technologies with next generation sequencing have revolutionized metagenomics analysis of clinical samples. To achieve the non-selective amplification and recovery of low abundance genetic sequences, a simplified Sequence-Independent, Single-Primer Amplification (SISPA) technique in combination with MiSeq platform was applied to target negative- and positive-sense single-stranded RNA viral sequences. This method allowed successful sequence assembly of full or near full length avian influenza virus (AIV), infectious bronchitis virus (IBV), and Newcastle disease virus (NDV) viral genome...
June 21, 2017: Virology
https://www.readbyqxmd.com/read/28646424/proteasome-properties-of-hemocytes-differ-between-the-whiteleg-shrimp-penaeus-vannamei-and-the-brown-shrimp-crangon-crangon-crustacea-decapoda
#2
Sandra Götze, Reinhard Saborowski, Oliviert Martínez-Cruz, Adriana Muhlia-Almazán, Arturo Sánchez-Paz
Crustaceans are intensively farmed in aquaculture facilities where they are vulnerable to parasites, bacteria, or viruses, often severely compromising the rearing success. The ubiquitin-proteasome system (UPS) is crucial for the maintenance of cellular integrity. Analogous to higher vertebrates, the UPS of crustaceans may also play an important role in stress resistance and pathogen defense. We studied the general properties of the proteasome system in the hemocytes of the whiteleg shrimp, Penaeus vannamei, and the European brown shrimp Crangon crangon...
June 23, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28646278/liver-involvement-in-kidney-disease-and-vice-versa
#3
REVIEW
Karen Van Hoeve, Djalila Mekahli, Eva Morava, Elena Levtchenko, Peter Witters
The liver and kidneys are often similarly affected by a single disease. This is the case in metabolic, immunological, toxic, and infectious diseases, and in the different congenital malformation syndromes. Also, an enzymatic defect in an otherwise healthy liver or the consequences of advanced liver disease by itself can cause kidney disease as a secondary phenomenon. In this review, we describe numerous pathogenic mechanisms leading to dysfunction or malformations of the liver and kidneys in children. We encourage multidisciplinary management for optimal care...
June 23, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28645774/evaluation-of-selected-indian-medicinal-plants-for-antagonistic-potential-against-malassezia-spp-and-the-synergistic-effect-of-embelin-in-combination-with-ketoconazole
#4
Chandran Sivasankar, Subramanian Gayathri, James Prabhanand Bhaskar, Venkat Krishnan, Shunmugiah Karutha Pandian
The genus Malassezia comprises of extremely lipophilic yeasts secreting lipases as a vital factor for survival. They are emerging as opportunistic pathogens in medical microbiology and dermatology by causing recurring and recalcitrant infection. Combinatorial therapy is a constructive way to combat infectious diseases. In that prospect, totally 16 Indian medicinal plants were screened, among which a maximum degree of antimicrobial activity was ascertained in Embelia ribes. Subsequently embelin was identified as the bioactive principle with antagonistic potential by comparative antimicrobial assay and FTIR analysis...
June 20, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28645708/identification-of-major-routes-of-hiv-transmission-throughout-mesoamerica
#5
Antoine Chaillon, Santiago Avila-Ríos, Joel O Wertheim, Ann Dennis, Claudia García-Morales, Daniela Tapia-Trejo, Carlos Mejía-Villatoro, Juan M Pascale, Guillermo Porras-Cortés, Carlos J Quant-Durán, Ivette Lorenzana, Rita I Meza, Elsa Y Palou, Marvin Manzanero, Rolando A Cedillos, Gustavo Reyes-Terán, Sanjay R Mehta
BACKGROUND: Migration and travel are major drivers of the spread of infectious diseases. Geographic proximity and a common language facilitate travel and migration in Mesoamerica, which in turn could affect the spread of HIV in the region. METHODS: 6092 HIV-1 subtype B partial pol sequences sampled from unique antiretroviral treatment-naïve individuals from Mexico (40.7%), Guatemala (24.4%), Honduras (19%), Panama (8.2%), Nicaragua (5.5%), Belize (1.4%), and El Salvador (0...
June 20, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28645623/identification-of-a-coumarin-based-antihistamine-as-an-anti-filoviral-entry-inhibitor
#6
Han Cheng, Adam Schafer, Veronica Soloveva, Dima Gharaibeh, Tara Kenny, Cary Retterer, Rouzbeh Zamani, Sina Bavari, Norton P Peet, Lijun Rong
Filoviruses, consisting of Ebola virus, Marburg virus and Cuevavirus, cause severe hemorrhagic fevers in humans with high mortality rates up to 90%. Currently, there is no approved vaccine or therapy available for the prevention and treatment of filovirus infection in humans. The recent 2013-2015 West African Ebola epidemic underscores the urgency to develop antiviral therapeutics against these infectious diseases. Our previous study showed that GPCR antagonists, particularly histamine receptor antagonists (antihistamines) inhibit Ebola and Marburg virus entry...
June 20, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28645256/socioeconomic-status-is-associated-with-symptom-severity-and-sickness-absence-in-people-with-infectious-intestinal-disease-in-the-uk
#7
Tanith C Rose, Natalie L Adams, Benjamin Barr, Jeremy Hawker, Sarah J O'Brien, Mara Violato, Margaret Whitehead, David C Taylor-Robinson
BACKGROUND: The burden of infectious intestinal disease (IID) in the UK is substantial. Negative consequences including sickness absence are common, but little is known about the social patterning of these outcomes, or the extent to which they relate to disease severity. METHODS: We performed a cross-sectional analysis using IID cases identified from a large population-based survey, to explore the association between socioeconomic status (SES) and symptom severity and sickness absence; and to assess the role of symptom severity on the relationship between SES and absence...
June 23, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28645238/new-world-arenavirus-biology
#8
Nicolás Sarute, Susan R Ross
Hemorrhagic fevers caused by viruses were identified in the late 1950s in South America. These viruses have existed in their hosts, the New World rodents, for millions of years. Their emergence as infectious agents in humans coincided with changes in the environment and farming practices that caused explosions in their host rodent populations. Zoonosis into humans likely occurs because the pathogenic New World arenaviruses use human transferrin receptor 1 to enter cells. The mortality rate after infection with these viruses is high, but the mechanism by which disease is induced is still not clear...
June 23, 2017: Annual Review of Virology
https://www.readbyqxmd.com/read/28644862/high-intensity-corneal-collagen-crosslinking-with-riboflavin-and-uva-in-rat-cornea
#9
Yirui Zhu, Peter S Reinach, Hanlei Zhu, Qiufan Tan, Qinxiang Zheng, Jia Qu, Wei Chen
Corneal collagen cross-linking (CXL) halts human corneal ectasias progression by increasing stromal mechanical stiffness. Although some reports describe that this procedure is effective in dealing with some infectious and immunologic corneal thinning diseases, there is a need for more animal models whose corneal thickness more closely resemble those occurring in these patients. To meet this need, we describe here high-intensity protocols that are safe and effective for obtaining CXL in rat corneas. Initially, a range of potentially effective UVA doses were evaluated based on their effectiveness in increasing tissue enzymatic resistance to dissolution...
2017: PloS One
https://www.readbyqxmd.com/read/28644565/long-term-risk-of-infection-in-patients-with-crohn-s-disease-on-anti-tnf-treatment-a-prospective-single-center-cohort-study-in-china
#10
Yue Li, Hui Jun Shu, Hong Lu, Hong Yang, Ji Li, Bei Tan, Jiaming Qian
BACKGROUND: Anti-TNF agents have demonstrated to greatly improve management strategies for inflammatory bowel disease (IBD). Clinical trials and registry studies in Western countries have shown that infections and malignancy are the most concerned complications of anti-TNF treatment. However, data derived from clinical practice in China are limited. The aim of this study is to explore the long-term infection risk of infliximab (IFX) in treating patients with Crohn's disease (CD) from a tertiary IBD center in China...
June 23, 2017: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28644392/development-of-bone-targeting-drugs
#11
REVIEW
Molly Stapleton, Kazuki Sawamoto, Carlos J Alméciga-Díaz, William G Mackenzie, Robert W Mason, Tadao Orii, Shunji Tomatsu
The skeletal system, comprising bones, ligaments, cartilage and their connective tissues, is critical for the structure and support of the body. Diseases that affect the skeletal system can be difficult to treat, mainly because of the avascular cartilage region. Targeting drugs to the site of action can not only increase efficacy but also reduce toxicity. Bone-targeting drugs are designed with either of two general targeting moieties, aimed at the entire skeletal system or a specific cell type. Most bone-targeting drugs utilize an affinity to hydroxyapatite, a major component of the bone matrix that includes a high concentration of positively-charged Ca(2+)...
June 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28643807/infectious-disease-musashi-1-protein-could-mediate-the-effects-of-zika-virus-on-brain-development
#12
Heather Wood
No abstract text is available yet for this article.
June 23, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28643686/-pachymeningitis-associated-with-igg4-disease
#13
Dan Zimelewicz Oberman, Carolina Cuello Oderiz, Matteo Baccanelli, Silvia Christiansen, María Cristina Zurrú
Hypertrophic pachymeningitis is an infrequent disorder. It can be idiopathic or secondary to infectious, autoimmune or neoplastic disease. The recently described 〈IgG4-related disease〉 could be the origin of many cases considered cryptogenic. We present the case of a 60-year-old man, with a history of headache and episcleritis in both eyes, with partial response to corticoid therapy. The brain MR study with gadolinium showed enhancement and thickening of the dura mater, extending from lateral wall of left temporal and occipital lobes to ipsilateral tentorium...
2017: Medicina
https://www.readbyqxmd.com/read/28643413/effects-of-sodium-chloride-on-heat-resistance-oxidative-susceptibility-motility-biofilm-and-plaque-formation-of-burkholderia-pseudomallei
#14
Pornpan Pumirat, Muthita Vanaporn, Usa Boonyuen, Nitaya Indrawattana, Amporn Rungruengkitkun, Narisara Chantratita
Burkholderia pseudomallei is an environmental saprophyte and the causative agent of melioidosis, a severe infectious disease prevalent in tropical areas, including southeast Asia and northern Australia. In Thailand, the highest incidence of melioidosis is in the northeast region, where saline soil and water are abundant. We hypothesized that B. pseudomallei develops an ability to thrive in saline conditions and gains a selective ecological advantage over other soil-dwelling microorganisms. However, little is known about how an elevated NaCl concentration affects survival and adaptive changes in this pathogen...
June 23, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28643095/-local-antibiotic-therapy
#15
REVIEW
Klaus-Dieter Kühn, Nora Renz, Andrej Trampuz
The treatment of superficial wound infections with local antibiotics is considered to be problematic as it is accompanied by an increased risk of resistance development and ineffectiveness in deeper regions. On the contrary, the local application of antibiotics is useful in arthroplasty and necessary if implants are utilized. The reason for this is the prevention of a rapid biofilm formation on foreign implants and a resulting infection may remain undiscovered until it becomes chronic. Apart from exogenous material, necrotic tissue (e...
June 22, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28642863/friends-enemies-endogenous-retroviruses-are-major-transcriptional-regulators-of-human-dna
#16
REVIEW
Anton A Buzdin, Vladimir Prassolov, Andrew V Garazha
Endogenous retroviruses are mobile genetic elements hardly distinguishable from infectious, or "exogenous," retroviruses at the time of insertion in the host DNA. Human endogenous retroviruses (HERVs) are not rare. They gave rise to multiple families of closely related mobile elements that occupy ~8% of the human genome. Together, they shape genomic regulatory landscape by providing at least ~320,000 human transcription factor binding sites (TFBS) located on ~110,000 individual HERV elements. The HERVs host as many as 155,000 mapped DNaseI hypersensitivity sites, which denote loci active in the regulation of gene expression or chromatin structure...
2017: Frontiers in Chemistry
https://www.readbyqxmd.com/read/28642749/rna-seq-reveals-enhanced-sugar-metabolism-in-streptococcus-mutans-co-cultured-with-candida-albicans-within-mixed-species-biofilms
#17
Jinzhi He, Dongyeop Kim, Xuedong Zhou, Sang-Joon Ahn, Robert A Burne, Vincent P Richards, Hyun Koo
Early childhood caries (ECC), which can lead to rampant tooth-decay that is painful and costly to treat, is one of the most prevalent infectious diseases affecting children worldwide. Previous studies support that interactions between Streptococcus mutans and Candida albicans are associated with the pathogenesis of ECC. The presence of Candida enhances S. mutans growth, fitness and accumulation within biofilms in vitro, although the molecular basis for these behaviors is undefined. Using an established co-cultivation biofilm model and RNA-Seq, we investigated how C...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28642545/high-throughput-screening-of-small-molecule-inhibitors-of-the-streptococcus-quorum-sensing-signal-pathway
#18
Seiji Ishii, Kenji Fukui, Satoshi Yokoshima, Kazuo Kumagai, Youko Beniyama, Tetsuya Kodama, Tohru Fukuyama, Takayoshi Okabe, Tetsuo Nagano, Hirotatsu Kojima, Takato Yano
The main components of the quorum-sensing system are expected to be favorable targets for drug development to combat various chronic infectious diseases. ComA of Streptococcus is an ATP-binding cassette transporter containing a peptidase domain (PEP), which is essential for the quorum-sensing signal production. Using high-throughput screening, we found a potent small molecule that suppressed the S. mutans quorum-sensing pathway through inhibition of PEP activity. The compound effectively attenuated the biofilm formation and competence development of S...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28642120/transfusion-challenges-in-hematology-oncology-and-hematopoietic-stem-cell-transplant-literature-review-and-local-experience
#19
REVIEW
Mohamed Elemary, Jerard Seghatchian, Julie Stakiw, Mark Bosch, Waleed Sabry, Hadi Goubran
Transfusion medicine plays a vital role in the supportive care of patients receiving therapy for hematology, oncology and hematopoietic stem cell transplants (HSCT). With advances in therapy with more intensive chemotherapy or radiotherapy, patients usually develop cytopenias and need frequent transfusion support with packed red blood cells, granulocyte transfusion or platelets to support them until they recover from the effect of therapy. HSCT poses unique challenges for transfusion medicine, since transplant recipients may require substantial transfusion support due to cytopenias associated with toxic medications, decreased marrow reserve, infection or their malignancy...
June 3, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28641809/re-emerging-infectious-diseases-from-the-past-hysteria-or-real-risk
#20
Charlier Philippe, Claverie Jean-Michel, Sansonetti Philippe, Coppens Yves, Augias Anaïs, Jacqueline Sophie, Rengot Fanny, Deo Saudamini
BACKGROUND: Work on human remains and old biological samples is a potential source of contamination by conventional or atypical infectious agents. Similarly, current and future environmental changes are a source of resurgence of ancient epidemic diseases. To what extent are anthropologists sorcerer apprentices (especially those working on ancient samples, i.e. paleo-anthropologists)? Are ancient skeletons, palaeosols and museum objects with a biological component at risk for current populations? Unless there are unfounded fears and undue risk… What can be learned from the recent scientific literature and the common sense of the researchers? METHODS: We have attempted to compile data from the literature and from our personal experience in the fields of anthropology, clinical medicine and epidemiology, in order to grasp the reality of the risk to the human population...
June 19, 2017: European Journal of Internal Medicine
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