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https://www.readbyqxmd.com/read/29163434/neglected-australian-arboviruses-and-undifferentiated-febrile-illness-addressing-public-health-challenges-arising-from-the-developing-northern-australia-government-policy
#1
Narayan Gyawali, Richard S Bradbury, John G Aaskov, Andrew W Taylor-Robinson
The Australian Government is currently promoting the development of Northern Australia, with an associated increase in the local population. Consequent to this is the public health threat posed by heightened human exposure to many previously neglected arboviruses that are indigenous to the region. This initiative to support economic activity in the tropical north of the continent is leading to the accelerated expansion of an infection-naïve human population into hitherto un-encountered ecosystems inhabited by reservoir animals and vectors for these arboviruses...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29161013/intelligent-peptide-gathering-mechanical-arm-tames-wild-trojan-horse-peptides-for-the-controlled-delivery-of-cancer-nanotherapeutics
#2
Nian-Qiu Shi, Yan Li, Yong Zhang, Nan Shen, Ling Qi, Shu-Ran Wang, Xian-Rong Qi
Cell-penetrating peptides (CPPs), also called "Trojan-Horse" peptides, have been used for facilitating intracellular delivery of numerous diverse cargoes and even nanocarriers. However, the lack of targeting specificity ("wildness" or nonselectivity) of CPP-nanocarriers remains an intractable challenge for many in vivo applications. In this work, we used an intelligent "peptide-gathering mechanical arm" (Int PMA) to curb CPPs' wildness and enhance the selectivity of R9-liposome-based cargo delivery for tumor targeting...
November 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29157366/culling-from-the-actors-perspectives-decision-making-criteria-for-culling-in-qu%C3%A3-bec-dairy-herds-enrolled-in-a-veterinary-preventive-medicine-program
#3
Denis Haine, Roger Cue, Asheber Sewalem, Kevin Wade, René Lacroix, Daniel Lefebvre, Jonathan Rushton, Julie Arsenault, Émile Bouchard, Jocelyn Dubuc
The series of events leading to the decision to cull a cow is complex, involving both individual-level and herd-level factors. While the decision is guided by financial returns, it is also influenced by social and psychological factors. Research studies on the motivational and behavioural aspects of farmers' decision utility are sparse, and nonexistent regarding culling expectations and its decision process. Our goal was to identify shared criteria on culling decisions held by dairy producers and farm advisers, with the help of the Q-methodology...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29156589/genome-wide-development-of-microrna-based-ssr-markers-in-medicago-truncatula-with-their-transferability-analysis-and-utilization-in-related-legume-species
#4
Xueyang Min, Zhengshe Zhang, Yisong Liu, Xingyi Wei, Zhipeng Liu, Yanrong Wang, Wenxian Liu
Microsatellite (simple sequence repeats, SSRs) marker is one of the most widely used markers in marker-assisted breeding. As one type of functional markers, MicroRNA-based SSR (miRNA-SSR) markers have been exploited mainly in animals, but the development and characterization of miRNA-SSR markers in plants are still limited. In the present study, miRNA-SSR markers for Medicago truncatula (M. truncatula) were developed and their cross-species transferability in six leguminous species was evaluated. A total of 169 primer pairs were successfully designed from 130 M...
November 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156586/in-depth-glyco-peptidomics-approach-reveals-unexpected-diversity-of-glycosylated-peptides-and-atypical-post-translational-modifications-in-dendroaspis-angusticeps-snake-venom
#5
Michel Degueldre, Julien Echterbille, Nicolas Smargiasso, Christian Damblon, Charlotte Gouin, Gilles Mourier, Nicolas Gilles, Edwin De Pauw, Loïc Quinton
Animal venoms represent a valuable source of bioactive peptides that can be derived into useful pharmacological tools, or even innovative drugs. In this way, the venom of Dendroaspis angusticeps (DA), the Eastern Green Mamba, has been intensively studied during recent years. It mainly contains hundreds of large toxins from 6 to 9 kDa, each displaying several disulfide bridges. These toxins are the main target of venom-based studies due to their valuable activities obtained by selectively targeting membrane receptors, such as ion channels or G-protein coupled receptors...
November 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29155651/enhancing-surveillance-and-diagnostics-in-anthrax-endemic-countries
#6
Antonio R Vieira, Johanna S Salzer, Rita M Traxler, Katherine A Hendricks, Melissa E Kadzik, Chung K Marston, Cari B Kolton, Robyn A Stoddard, Alex R Hoffmaster, William A Bower, Henry T Walke
Naturally occurring anthrax disproportionately affects the health and economic welfare of poor, rural communities in anthrax-endemic countries. However, many of these countries have limited anthrax prevention and control programs. Effective prevention of anthrax outbreaks among humans is accomplished through routine livestock vaccination programs and prompt response to animal outbreaks. The Centers for Disease Control and Prevention uses a 2-phase framework when providing technical assistance to partners in anthrax-endemic countries...
December 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29153528/modeling-greenhouse-gas-emissions-from-dairy-farms
#7
C Alan Rotz
Dairy farms have been identified as an important source of greenhouse gas emissions. Within the farm, important emissions include enteric CH4 from the animals, CH4 and N2O from manure in housing facilities during long-term storage and during field application, and N2O from nitrification and denitrification processes in the soil used to produce feed crops and pasture. Models using a wide range in level of detail have been developed to represent or predict these emissions. They include constant emission factors, variable process-related emission factors, empirical or statistical models, mechanistic process simulations, and life cycle assessment...
November 15, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29152674/progress-and-promise-for-the-mdma-drug-development-program
#8
REVIEW
Allison A Feduccia, Julie Holland, Michael C Mithoefer
Pharmacotherapy is often used to target symptoms of posttraumatic stress disorder (PTSD), but does not provide definitive treatment, and side effects of daily medication are often problematic. Trauma-focused psychotherapies are more likely than drug treatment to achieve PTSD remission, but have high dropout rates and ineffective for a large percentage of patients. Therefore, research into drugs that might increase the effectiveness of psychotherapy is a logical avenue of investigation. The most promising drug studied as a catalyst to psychotherapy for PTSD thus far is 3,4-methylenedioxymethamphetamine (MDMA), commonly known as the recreational drug "Ecstasy...
November 20, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29152322/choosing-a-culture-medium-for-scnt-and-iscnt-reconstructed-embryos-from-domestic-to-wildlife-species
#9
REVIEW
A Cordova, W A King, G F Mastromonaco
Over the past decades, in vitro culture media have been developed to successfully support IVF embryo growth in a variety of species. Advanced reproductive technologies, such as somatic cell nuclear transfer (SCNT), challenge us with a new type of embryo, with special nutritional requirements and altered physiology under in vitro conditions. Numerous studies have successfully reconstructed cloned embryos of domestic animals for biomedical research and livestock production. However, studies evaluating suitable culture conditions for SCNT embryos in wildlife species are scarce (for both intra- and interspecies SCNT)...
2017: Journal of Animal Science and Technology
https://www.readbyqxmd.com/read/29149813/structural-analysis-of-cd59-of-chinese-tree-shrew-a-new-reference-molecule-for-human-immune-system-specific-cd59-drug-discovery
#10
Subhamay Panda, Leena Kumari, Santamay Panda
BACKGROUND: Chinese tree shrews (Tupaia belangeri chinensis) bear several characteristics that are considered to be very crucial for utilizing in animal experimental models in biomedical research. Subsequent to the identification of key aspects and signaling pathways in nervous and immune systems, it is revealed that tree shrews acquires shared common as well as unique characteristics, and hence offers a genetic basis for employing this animal as a prospective model for biomedical research...
November 17, 2017: Current Drug Discovery Technologies
https://www.readbyqxmd.com/read/29149154/philosophical-issues-and-psychological-variables-that-influence-the-determination-of-opioid-effectiveness-a-narrative-review
#11
Daniel Michael Doleys
BACKGROUND: The prescribing of opioids in the chronic pain setting is often based on the pharmacodynamics, pharmacokinetics, and pharmacogenetics of the drug obtained during development and clinical trials. However, the effectiveness of opioids varies widely and often appears to bear no relationship to the aforementioned variables. The impact of philosophical issues and psychological factors on determining how clinically effective opioid therapy is has often been over looked. OBJECTIVES: This manuscript provides a selective review and narrative summary of the philosophical issues and psychological factors which can influence opioid effectiveness...
November 2017: Pain Physician
https://www.readbyqxmd.com/read/29148548/acrylate-based-materials-for-heart-valve-scaffold-engineering
#12
Rosaria Santoro, Seshasailam Venkateswaran, Francesco Amadeo, Rong Zhang, Maura Brioschi, Anthony Callanan, Marco Agrifoglio, Cristina Banfi, Mark Bradley, Maurizio Pesce
Calcific aortic valve disease (CAVD) is the most frequent cardiac valve pathology. Its standard treatment consists of surgical replacement either with mechanical (metal made) or biological (animal tissue made) valve prostheses, both of which have glaring deficiencies. In the search for novel materials to manufacture artificial valve tissue, we have conducted a high-throughput screening with subsequent up-scaling to identify non-degradable polymer substrates that promote valve interstitial cells (VICs) adherence/growth and, at the same time, prevent their evolution toward a pro-calcific phenotype...
November 17, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/29142056/familiarity-with-a-vocal-category-biases-the-compartmental-expression-of-arc-arg3-1-in-core-auditory-cortex
#13
Tamara N Ivanova, Christina Gross, Rudolph C Mappus, Yong Jun Kwon, Gary J Bassell, Robert C Liu
Learning to recognize a stimulus category requires experience with its many natural variations. However, the mechanisms that allow a category's sensorineural representation to be updated after experiencing new exemplars are not well understood, particularly at the molecular level. Here we investigate how a natural vocal category induces expression in the auditory system of a key synaptic plasticity effector immediate early gene, Arc/Arg3.1, which is required for memory consolidation. We use the ultrasonic communication system between mouse pups and adult females to study whether prior familiarity with pup vocalizations alters how Arc is engaged in the core auditory cortex after playback of novel exemplars from the pup vocal category...
December 2017: Learning & Memory
https://www.readbyqxmd.com/read/29140756/cellular-and-molecular-mechanisms-of-autoimmune-hepatitis
#14
G J Webb, G M Hirschfield, E L Krawitt, M E Gershwin
Autoimmune hepatitis is an uncommon idiopathic syndrome of immunemediated destruction of hepatocytes, typically associated with autoantibodies. The disease etiology is incompletely understood but includes a clear association with human leukocyte antigen (HLA) variants and other non- HLA gene variants, female sex, and the environment. Pathologically, there is a CD4+ T cell-rich lymphocytic inflammatory infiltrate with variable hepatocyte necrosis and subsequent hepatic fibrosis. Attempts to understand pathogenesis are informed by several monogenetic syndromes that may include autoimmune liver injury, by several drug and environmental agents that have been identified as triggers in a minority of cases, by human studies that point toward a central role for CD4+ effector and regulatory T cells, and by animal models of the disease...
November 15, 2017: Annual Review of Pathology
https://www.readbyqxmd.com/read/29140567/human-adipose-derived-stromal-cell-isolation-methods-and-use-in-osteogenic-and-adipogenic-in-vivo-applications
#15
Elizabeth Brett, Ruth Tevlin, Adrian McArdle, Eun Young Seo, Charles K F Chan, Derrick C Wan, Michael T Longaker
Adipose tissue represents an abundant and easily accessible source of multipotent cells, which may serve as excellent building blocks for tissue engineering. This article presents a newly described protocol for isolating adipose-derived stromal cells (ASCs) from human lipoaspirate, compared to the standard protocol for harvesting ASCs established in 2001. Human ASC isolation is performed using two methods, and resultant cells are compared through cell yield, cell viability, cell proliferation and regenerative potential...
November 15, 2017: Current Protocols in Stem Cell Biology
https://www.readbyqxmd.com/read/29137994/role-of-osmolytes-in-protein-folding-and-aggregation-in-cells-and-its-applications-in-biotechnology
#16
REVIEW
Gulam Rabbani
Nature has selected osmolytes to protect intracellular macromolecules against denaturing stress conditions. These molecules are accumulated in the intracellular environment at considerably high concentrations. In general, osmolytes are known to stabilize proteins. Osmolytes are small naturally occurring compound that are utilized as chemical chaperones by changing the environmental condition in diseased cellular stress state. Osmolytes are present in different organisms, including microorganisms, animals and plants...
November 11, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29137652/characterization-of-streptococcus-pneumoniae-isolates-from-austrian-companion-animals-and-horses
#17
Maximilian Ginders, Michael Leschnik, Frank Künzel, Doris Kampner, Claudia Mikula, Georg Steindl, Inga Eichhorn, Andrea T Feßler, Stefan Schwarz, Joachim Spergser, Igor Loncaric
BACKGROUND: The aim of the present study was to investigate the genetic relatedness and the antimicrobial resistance profiles of a collection of Austrian Streptococcus pneumoniae isolates from companion animals and horses. A total of 12 non-repetitive isolates presumptively identified as S. pneumoniae were obtained during routinely diagnostic activities between March 2009 and January 2017. RESULTS: Isolates were confirmed as S. pneumoniae by bile solubility and optochin susceptibility testing, matrix-assisted laser desorption-ionization-time of flight (MALDI-TOF) mass spectrometry and sequence analysis of a part recA and the 16S rRNA genes...
November 14, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29137123/proteomic-characterization-of-the-venom-of-five-bombus-thoracobombus-species
#18
Nezahat Pınar Barkan, Mustafa Bilal Bayazit, Duygu Ozel Demiralp
Venomous animals use venom, a complex biofluid composed of unique mixtures of proteins and peptides, to act on vital systems of the prey or predator. In bees, venom is solely used for defense against predators. However, the venom composition of bumble bees (Bombus sp.) is largely unknown. The Thoracobombus subgenus of Bombus sp. is a diverse subgenus represented by 14 members across Turkey. In this study, we sought out to proteomically characterize the venom of five Thoracobombus species by using bottom-up proteomic techniques...
November 11, 2017: Toxins
https://www.readbyqxmd.com/read/29136189/serum-omega-3-fatty-acids-and-treatment-outcomes-among-women-undergoing-assisted-reproduction
#19
Y-H Chiu, A E Karmon, A J Gaskins, M Arvizu, P L Williams, I Souter, B R Rueda, R Hause, J E Chavarro
STUDY QUESTION: Are serum polyunsaturated fatty acids (PUFA) concentrations, including omega-3 (ω3-PUFA) and omega-6 (ω6-PUFA), related to ART outcomes? SUMMARY ANSWER: Serum levels of long-chain ω3-PUFA were positively associated with probability of live birth among women undergoing ART. WHAT IS KNOWN ALREADY: Intake of ω3-PUFA improves oocyte and embryo quality in animal and human studies. However, a recent cohort study found no relation between circulating ω3-PUFA levels and pregnancy rates after ART...
November 10, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29135514/prevalence-and-clinical-characteristics-of-local-allergic-rhinitis-to-house-dust-mites
#20
Yoo Seob Shin, Chang-Gyu Jung, Hae-Sim Park
PURPOSE OF REVIEW: Local allergic rhinitis (LAR) is a recently classified subtype of rhinitis defined by a nasal allergic response in patients without systemic evidence of atopy. Recent studies have reported the prevalence, clinical course, culprit allergens, diagnostic methods and treatment outcomes of LAR. The purpose of this review is to summarize the most relevant and updated scientific evidence for LAR, especially focusing on its prevalence and clinical characteristics. RECENT FINDINGS: LAR is found in a significant proportion (3...
November 14, 2017: Current Opinion in Allergy and Clinical Immunology
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