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https://www.readbyqxmd.com/read/27935834/viral-dna-sensors-ifi16-and-cyclic-gmp-amp-synthase-possess-distinct-functions-in-regulating-viral-gene-expression-immune-defenses-and-apoptotic-responses-during-herpesvirus-infection
#1
Benjamin A Diner, Krystal K Lum, Jared E Toettcher, Ileana M Cristea
: The human interferon-inducible protein IFI16 is an important antiviral factor that binds nuclear viral DNA and promotes antiviral responses. Here, we define IFI16 dynamics in space and time and its distinct functions from the DNA sensor cyclic dinucleotide GMP-AMP synthase (cGAS). Live-cell imaging reveals a multiphasic IFI16 redistribution, first to viral entry sites at the nuclear periphery and then to nucleoplasmic puncta upon herpes simplex virus 1 (HSV-1) and human cytomegalovirus (HCMV) infections...
November 15, 2016: MBio
https://www.readbyqxmd.com/read/27932918/salix-transect-of-europe-variation-in-ploidy-and-genome-size-in-willow-associated-common-nettle-urtica-dioica-l-sens-lat-from-greece-to-arctic-norway
#2
Quentin Cronk, Oriane Hidalgo, Jaume Pellicer, Diana Percy, Ilia J Leitch
BACKGROUND: The common stinging nettle, Urtica dioica L. sensu lato, is an invertebrate "superhost", its clonal patches maintaining large populations of insects and molluscs. It is extremely widespread in Europe and highly variable, and two ploidy levels (diploid and tetraploid) are known. However, geographical patterns in cytotype variation require further study. NEW INFORMATION: We assembled a collection of nettles in conjunction with a transect of Europe from the Aegean to Arctic Norway (primarily conducted to examine the diversity of Salix and Salix-associated insects)...
2016: Biodiversity Data Journal
https://www.readbyqxmd.com/read/27930707/native-phytoremediation-potential-of-urtica-dioica-for-removal-of-pcbs-and-heavy-metals-can-be-improved-by-genetic-manipulations-using-constitutive-camv-35s-promoter
#3
Jitka Viktorova, Zuzana Jandova, Michaela Madlenakova, Petra Prouzova, Vilem Bartunek, Blanka Vrchotova, Petra Lovecka, Lucie Musilova, Tomas Macek
Although stinging nettle (Urtica dioica) has been shown to reduce HM (heavy metal) content in soil, its wider phytoremediation potential has been neglected. Urtica dioica was cultivated in soils contaminated with HMs or polychlorinated biphenyls (PCBs). After four months, up to 33% of the less chlorinated biphenyls and 8% of HMs (Zn, Pb, Cd) had been removed. Bacteria were isolated from the plant tissue, with the endophytic bacteria Bacillus shackletonii and Streptomyces badius shown to have the most significant effect...
2016: PloS One
https://www.readbyqxmd.com/read/27927967/the-common-r71h-g230a-r293q-human-tmem173-is-a-null-allele
#4
Seema Patel, Steven M Blaauboer, Heidi R Tucker, Samira Mansouri, Juan Sebastian Ruiz-Moreno, Lutz Hamann, Ralf R Schumann, Bastian Opitz, Lei Jin
TMEM173 encodes MPYS/STING and is an innate immune sensor for cyclic dinucleotides (CDNs) playing a critical role in infection, inflammation, and cancer. The R71H-G230A-R293Q (HAQ) of TMEM173 is the second most common human TMEM173 allele. In this study, using data from the 1000 Genomes Project we found that homozygous HAQ individuals account for ∼16.1% of East Asians and ∼2.8% of Europeans whereas Africans have no homozygous HAQ individuals. Using B cells from homozygous HAQ carriers, we found, surprisingly, that HAQ/HAQ carriers express extremely low MPYS protein and have a decreased TMEM173 transcript...
December 7, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27925706/influence-of-temperature-and-brewing-time-of-nettle-urtica-dioica-l-infusions-on-vitamin-c-content
#5
Jolanta Wolska, Michał Czop, Karolina Jakubczyk, Katarzyna Janda
Background: Stinging nettle (Urtica dioica L.) can be found in temperate climate zones of Europe, Africa and America Nettle may be a source of nutritional ingredients, mineral salts, vitamins and antioxidants. Objective: The aim of the study was to determine the effect of temperature and brewing time Urtica dioica L. infusions from different parts of this plant on vitamin C (ascorbic acid) content. Material and methods: Infusions of nettle leaf, stem and root were prepared at room temperature, 50°C, 60°C, 70°C and 80°C for 10 minutes...
2016: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/27924689/hymenoptera-venom-allergy-in-outdoor-workers-occupational-exposure-clinical-features-and-effects-of-allergen-immunotherapy
#6
Alessandra Toletone, Susanna Voltolini, Giovanni Passalacqua, Guglielmo Dini, Donatella Bignardi, Paola Minale, Emanuela Massa, Alessio Signori, Costantino Troise, Paolo Durando
OBJECTIVES: To describe (i) the clinical characteristics of workers, exposed to hymenoptera stings, with an ascertained diagnosis of Hymenoptera Venom Allergy (HVA), (ii) the specific role of occupational exposure, (iii) the effect of Venom Immunotherapy (VIT) in reducing the severity of allergic episodes in workers exposed to repeated stings of hymenoptera, and (iv) the management of the occupational consequences caused by allergic reactions due to hymenoptera stings. METHODS: Between 2000 and 2013 an observational study, including patients referred to the regional reference hospital of Liguria, Italy, with an ascertained diagnosis of HVA and treated with VIT, was carried out...
December 7, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27923877/poison-and-alarm-the-asian-hornet-vespa-velutina-uses-sting-venom-volatiles-as-alarm-pheromone
#7
Ya-Nan Cheng, Ping Wen, Shi-Hao Dong, Ken Tan, James C Nieh
In colonial organisms, alarm pheromones can provide a key fitness advantage by enhancing colony defense and warning of danger. Learning which species use alarm pheromone and the key compounds involved therefore enhances our understanding of how this important signal has evolved. However, our knowledge of alarm pheromones is more limited in the social wasps and hornets as compared to the social bees and ants. Vespa velutina is an economically important and widespread hornet predator that attacks humans and honey bees...
December 6, 2016: Journal of Experimental Biology
https://www.readbyqxmd.com/read/27923555/scorpions-and-scorpionism-in-iran-s-central-desert
#8
Jalil Nejati, Abedin Saghafipour, Ehsan Mozaffari, Amir Keyhani, Nahid Jesri
Venomous scorpions have extreme importance in field of medicine and public health. This descriptive - analytic study was done to identify scorpion fauna, their ecological aspects as well as scorpionism for risk management and prevention of this health problem in Iran's central desert. Four urban and fifteen rural areas with various climates and topography locations were selected for monthly scorpion collection through a randomly cluster sampling in 2013.The clinical data was obtained from questionnaires provided in 2009-2014...
December 3, 2016: Acta Tropica
https://www.readbyqxmd.com/read/27922561/a-pharmacologic-review-of-anaphylaxis
#9
Nancy S Yunker, Bradley J Wagner
Anaphylaxis occurs in the surgical population and may have devastating consequences. Anaphylaxis and anaphylactoid reactions are immediate hypersensitivity reactions that are most commonly precipitated by medications, insect stings, and foods. In the surgical population, 47.4% of immediate hypersensitivity reactions were precipitated by neuromuscular blocking agents, followed by latex and antibiotics in 20% and 18.1% of cases, respectively. Initial treatment consists of removing the precipitating trigger, administering epinephrine, and correct patient positioning...
October 2016: Plastic Surgical Nursing
https://www.readbyqxmd.com/read/27914814/rush-venom-immunotherapy-in-children
#10
Ronit Confino-Cohen, Yossi Rosman, Arnon Goldberg
BACKGROUND: Rush venom immunotherapy (VIT) is highly effective in Hymenoptera venom allergy. Still, specific data regarding its safety and efficiency in children are rather sparse. OBJECTIVES: The objective of this study was to better evaluate the safety and efficiency of rush VIT in this specific age group. METHODS: Children younger than 16 years with systemic reaction to insect sting involving, at least, one body system other than skin and children aged 16-18 years with any kind of systemic reaction were offered conventional or rush VIT with a build-up phase that lasted 3 days...
November 30, 2016: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/27912864/clinical-and-epidemiological-aspects-of-scorpionism-in-the-world-a-systematic-review
#11
REVIEW
Maria S V Santos, Cláudio G L Silva, Basílio Silva Neto, Cícero R P Grangeiro Júnior, Victor H G Lopes, Antônio G Teixeira Júnior, Deryk A Bezerra, João V C P Luna, Josué B Cordeiro, Jucier Gonçalves Júnior, Marcos A P Lima
OBJECTIVE: Scorpion stings are registered worldwide, but the incidence and the features of the envenomations vary depending on the region. The aim of this review was to summarize the epidemiological, clinical, diagnostic, and therapeutic data worldwide regarding humans stung by scorpions. METHODS: A systematic review of the literature was conducted through the online databases of the Virtual Health Library (VHL), which hosts Medline and the Latin American and Caribbean Center on Health Sciences Informational (LILACS) database...
December 2016: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/27902332/inhibition-of-hepatitis-b-virus-replication-by-activation-of-the-cgas-sting-pathway
#12
Jing He, Ruidong Hao, Dan Liu, Xing Liu, Shaoshuai Wu, Shuting Guo, Yuan Wang, Deyin Guo
Cyclic GMP-AMP (cGAMP) synthase (cGAS) senses cytosolic DNA and catalyzes synthesis of the second messenger cGAMP, which activates the downstream signaling adaptor protein STING, leading to the expression of type I interferons. Hepatitis B virus (HBV) is a small DNA virus, and the cGAS-STING pathway may inhibit HBV RNA synthesis and viral assembly in cell culture, but the exact roles of cGAS pathway in the restriction of HBV replication in infection systems remain to be elucidated. In this study, we showed that the replication of HBV was significantly inhibited both in cell culture and in vivo in a mouse model when the cGAS-STING pathway was activated by dsDNA or cGAMP...
October 31, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27892857/genotyping-of-german-and-austrian-taylorella-equigenitalis-isolates-using-repetitive-extragenic-palindromic-rep-pcr-and-pulsed-field-gel-electrophoresis-pfge
#13
Reinhard Sting, Christoph Seeh, Norman Mauder, Michaela Maurer, Igor Loncaric, Beatrix Stessl, Peter Kopp, Klaus Banzhaf, Brigitte Martin, Falk Melzer, Astrid Raßbach, Joachim Spergser
A total of 124 Taylorella (T.) equigenitalis and five T. asinigenitalis field isolates collected between 2002 and 2014 were available for genotyping using REP- (repetitive extragenic palindromic) PCR and PFGE (pulsed-field gel electrophoresis). The study comprised 79 T. equigenitalis field isolates originating from ten defined breeds of German horses and revealed a spectrum of five REP (rep-E1-E4, rep-E3a) and 15 PFGE (TE-A1-A9, TE-B1-B3, TE-C, TE-E1, and TE-E2) genotypes. T. equigenitalis field isolates (n=40) obtained from Austrian Lipizzaner horses were differentiated into three REP (rep-E1, rep-E3a, and rep-E4) and three PFGE genotypes (TE-A2, TE-A5, and TE-D); those isolated from four Austrian Trotters belonged to the REP/PFGE genotype rep-E2/TE-A1...
October 4, 2016: Research in Veterinary Science
https://www.readbyqxmd.com/read/27889408/an-rna-based-fluorescent-biosensor-for-high-throughput-analysis-of-the-cgas-cgamp-sting-pathway
#14
Debojit Bose, Yichi Su, Assaf Marcus, David H Raulet, Ming C Hammond
In mammalian cells, the second messenger (2'-5',3'-5') cyclic guanosine monophosphate-adenosine monophosphate (2',3'-cGAMP), is produced by the cytosolic DNA sensor cGAMP synthase (cGAS), and subsequently bound by the stimulator of interferon genes (STING) to trigger interferon response. Thus, the cGAS-cGAMP-STING pathway plays a critical role in pathogen detection, as well as pathophysiological conditions including cancer and autoimmune disorders. However, studying and targeting this immune signaling pathway has been challenging due to the absence of tools for high-throughput analysis...
November 18, 2016: Cell Chemical Biology
https://www.readbyqxmd.com/read/27886904/mastocytosis-and-anaphylaxis
#15
REVIEW
Anna Schuch, Knut Brockow
This article updates current knowledge on epidemiology, risk factors, triggers, and management of anaphylaxis in patients with mastocytosis. Hyperactive mast cells and higher number of effector mast cells are speculated to facilitate anaphylaxis in this condition. In children, increased risk is limited to those with extensive skin involvement and high tryptase. In adults, manifestations of anaphylaxis are severe with high frequency of cardiovascular symptoms. Hymenoptera stings are the most common triggers for these reactions; however, idiopathic anaphylaxis and reactions to food or drugs occur...
February 2017: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/27883196/grifolin-derivatives-from-albatrellus-ovinus-as-trpv1-receptor-blockers-for-cosmetic-applications
#16
Stefan Hettwer, Stefan Bänziger, Brigit Suter, Barbara Obermayer
OBJECTIVE: Blocking the TRPV1 receptor is an interesting approach for the treatment of sensitive skin. Here we investigated the potential of grifolin derivatives from Albatrellus ovinus to act as TRPV1 receptor blockers and their potential to serve as cosmetic active ingredients. METHODS: Binding characteristics of grifolin derivatives from Albatrellus ovinus were determined in competitive and functional in vitro assays to achieve IC50 values. The TRPV1 receptor was activated in vivo with capsaicin and noxious heat to investigate skin reddening, microcirculation, skin sensations and heat pain thresholds...
November 24, 2016: International Journal of Cosmetic Science
https://www.readbyqxmd.com/read/27881293/onset-of-psoriatic-arthritis-associated-with-multiple-wasp-stings
#17
Tara Vinyette Saco, Mark C Glaum, Dennis K Ledford, Richard F Lockey
No abstract text is available yet for this article.
November 20, 2016: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/27879319/amp-activated-kinase-ampk-promotes-innate-immunity-and-antiviral-defense-through-modulation-of-stimulator-of-interferon-genes-sting-signaling
#18
Daniel Prantner, Darren J Perkins, Stefanie N Vogel
The host protein Stimulator of Interferon Genes (STING) has been shown to be essential for recognition of both viral and intracellular bacterial pathogens, but its regulation remains unclear. Previously, we reported that mitochondrial membrane potential regulates STING-dependent IFN-beta induction independently of ATP synthesis. Since mitochondrial membrane potential controls calcium homeostasis, and AMP-activated protein kinase (AMPK) is regulated, in part, by intracellular calcium, we postulated that AMPK participates in STING activation; however, its role has yet to be been defined...
November 22, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27869422/-scorpionism-in-children-in-tucum%C3%A3-n-descriptive-analysis-of-cases-in-a-second-level-of-complexity-hospital
#19
Mauricio R Ezquer, Manuel Villarreal, Javier Muntaner
Scorpionism in Tucumán is very frequent. The aim is to describe the clinical and epidemiological characteristics of cases of scorpionism that were seen in the Emergency Department of Eva Perón Hospital, Banda del Río Salí, Tucumán, between July 2013 and March 2015. Forty patients were assisted, 21 boys and 19 girls. The average age was 6.89 years. Thirty four (85%) resultedmild, 3 (7.5%) moderated, 3 (7.5%) moderated-severe. Hands (22.6%) and feet (20%) were the places in the body where the stings were more frequently localized...
December 1, 2016: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/27867853/treatment-of-vesico-ureteral-reflux-in-infants-and-children-using-endoscopic-approaches
#20
REVIEW
Manabu Okawada, Ciro Esposito, Maria Escolino, Alessandra Farina, Mariapina Cerulo, Francesco Turrà, Atsuyuki Yamataka
Vesicoureteral reflux (VUR) represents one of the most significant risk factors for acute pyelonephritis in children. Endoscopic treatment of VUR dates back to 1981 when Matouschek first described injection of the ureteral orifice in an attempt to correct VUR. In addition, also Politano and colleagues and McDonald described successful correction of reflux using endoscopic techniques. After these reports subureteral Teflon injection (STING) came to be appreciated as a viable new way to less invasively correct one of the most common pediatric urologic problems...
October 2016: Translational pediatrics
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