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https://www.readbyqxmd.com/read/28077422/antxr2-knock-out-does-not-result-in-the-development-of-hypertension-in-rats
#1
Xiaoyan Liu, Wen Yuan, Jing Li, Lei Yang, Jun Cai
BACKGROUND: Our recent genetic study as well as robust evidences reported by previous genome-wide association studies (GWASs) have indicated that the single nucleotide polymorphism rs16998073, located near gene anthrax toxin receptor 2 (ANTXR2), was significantly associated with hypertension in Asians and Europeans. The aim of the present study was to determine whether ANTXR2 is the causal gene of hypertension at the 4q21 locus using an ANTXR2 knock-out model. METHODS: Relative expression of ANTXR2 in Wistar-Kyoto rats (WKYs) and spontaneously hypertensive rats (SHRs) were determined by real-time quantitative polymerase chain reaction and western blot analysis...
February 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28076996/a-serious-case-of-anthrax-associated-with-compartment-syndrome
#2
Seyran Kılınç, Mehmet Vakıf Keskinbıçkı, Murat Şengül, Semra Nergiz, Abdurrahman Örtücü, Okay Bulut
Compartment syndrome linked to skin anthrax is a rare complication that may develop and it should be noted that the disease may progress in spite of medical drug treatment. Our case was a farmer who was exposed after slaughtering a dead animal, a time delay for treatment hided this history and then developed compartment syndrome. In anthrax cases with delayed treatment and aggressive progression, circulation in the extremities should be carefully noted. We believe that the cases with compartment syndrome progressing in spite of medical drug treatment may be assessed for fasciotomy as a treatment approach...
January 11, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28076993/evaluation-of-clinical-and-serological-findings-for-diagnosis-of-cutaneous-anthrax-infection-after-an-outbreak
#3
Duygu Gulseren, Serap Süzük-Yıldız, Bekir Çelebi, Selçuk Kılıç
PURPOSE: Anthrax, caused by the bacterium Bacillus anthracis, is one of the oldest documented infectious diseases in both livestock and humans.We aimed to evaluate clinical findings and risk factors of patients with cutaneous anthrax infection and report anti-lethal factor (LF) IgG and anti-protective antigene (PA) IgG titers in the serologic diagnosis of disease. METHODS: In this study, serum samples of 18 cutaneous anthrax patients were collected and anti-LF IgG and anti-PA IgG titers were measured by enzyme-linked immunosorbent assay (ELISA)...
January 11, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28073730/2014-anthrax-epidemic-in-koubia-prefecture-guinea-conakry
#4
M S Sow, M B Boushab, H Balde, A Camara, F B Sako, F A Traoré, M O S Diallo, M D Diallo, M Keita, A O Sylla, T M Tounkara, M Cissé
Anthrax disease is an anthropozoonosis caused by a Gram-positive bacterium, Bacillus anthracis. Our objective was to describe the epidemiological, clinical and therapeutic features of the 2014 epidemic in Koubia prefecture. This retrospective study examined all of the anthrax cases reported in Fafaya, Koubia Prefecture. In March and April 2014, there were 39 cases of human anthrax reported, for an incidence of 1.135%. The mean age was 20.9 (± 18.3) with a sex ratio of 2.54 (28/11) in favor of men. Seventy-six percent (23/39) were single...
November 1, 2016: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/28054967/expression-purification-and-biophysical-characterization-of-a-secreted-anthrax-decoy-fusion-protein-in-nicotiana-benthamiana
#5
Kalimuthu Karuppanan, Sifti Duhra-Gill, Muchena J Kailemia, My L Phu, Carlito B Lebrilla, Abhaya M Dandekar, Raymond L Rodriguez, Somen Nandi, Karen A McDonald
Anthrax toxin receptor-mediated drug development for blocking anthrax toxin action has received much attention in recent decades. In this study, we produced a secreted anthrax decoy fusion protein comprised of a portion of the human capillary morphogenesis gene-2 (CMG2) protein fused via a linker to the fragment crystallizable (Fc) domain of human immunoglobulin G1 in Nicotiana benthamiana plants using a transient expression system. Using the Cauliflower Mosaic Virus (CaMV) 35S promoter and co-expression with the p19 gene silencing suppressor, we were able to achieve a high level of recombinant CMG2-Fc-Apo (rCMG2-Fc-Apo) protein accumulation...
January 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28053211/optical-screening-for-rapid-antimicrobial-susceptibility-testing-and-for-observation-of-phenotypic-diversity-among-the-genetically-clonal-species-bacillus-anthracis
#6
Heather P McLaughlin, Amy S Gargis, Pierre Michel, David Sue, Linda M Weigel
: During high-impact events involving Bacillus anthracis, such as the Amerithrax incident of 2001 or the anthrax outbreaks in Russia and Sweden in 2016, critical decisions to reduce morbidity and mortality include rapid selection and distribution of effective antimicrobial agents for treatment and post-exposure prophylaxis. Detection of antimicrobial resistance currently relies on a conventional broth microdilution (BMD) method that requires a 16 - 20 hour incubation time for B. anthracis Advances in high-resolution optical screening offer a new technology to more rapidly evaluate antimicrobial susceptibility and to simultaneously assess growth characteristics of an isolate...
January 4, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28038486/anthrax-of-domestic-animals-in-vrbas-banate-from-traditional-beliefs-to-the-first-scientific-views-on-the-ancient-disease
#7
Oliver N Stevanović, Drago N Nedić, Nemanja Šubarević, Obren Tomić
From 1929 to 1941, the Vrbas Banate was one of nine provinces of the Kingdom Yugoslavia, and according to historical data, the poorest one, without well-organized and sustainable agriculture production. Naturalistic production and poor animal health control in the Vrbas Banate were the most important risk factors for infectious disease spreading. Anthrax was very prevalent infectious disease in domestic animals and humans in that period, but some data on this disease remain scarce. In this paper epidemiology and clinical investigation of anthrax in the Vrbas Banate are reviewed...
December 2016: Acta Medico-historica Adriatica: AMHA
https://www.readbyqxmd.com/read/28035484/a-mathematical-model-of-anthrax-transmission-in-animal-populations
#8
C M Saad-Roy, P van den Driessche, Abdul-Aziz Yakubu
A general mathematical model of anthrax (caused by Bacillus anthracis) transmission is formulated that includes live animals, infected carcasses and spores in the environment. The basic reproduction number [Formula: see text] is calculated, and existence of a unique endemic equilibrium is established for [Formula: see text] above the threshold value 1. Using data from the literature, elasticity indices for [Formula: see text] and type reproduction numbers are computed to quantify anthrax control measures. Including only herbivorous animals, anthrax is eradicated if [Formula: see text]...
December 29, 2016: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/28008818/deletion-of-a-putative-nlpc-p60-endopeptidase-bas1812-affects-germination-long-term-survival-and-endospore-formation-in-bacillus-anthracis
#9
Se Kye Kim, Yun Min Park, Kyoung Hwa Jung, Young Gyu Chai
Bacillus anthracis, an etiologic agent of the zoonotic disease anthrax, encodes a putative NlpC/P60 endopeptidase BAS1812. It harbors a signal peptide, three bacterial SH3 domains and an NlpC/P60 family domain. Previous studies showed that BAS1812 is immunogenic in infected hosts and is a potential biomarker for anthrax treatment. To date, however, little information is known about its function and involvement in anthrax pathogenesis. Here we describe the phenotypic effect of BAS1812 deletion in B. anthracis Sterne strain...
December 23, 2016: Microbiology
https://www.readbyqxmd.com/read/28007853/genome-sequence-of-the-soviet-russian-bacillus-anthracis-vaccine-strain-55-vniivvim
#10
Jason Farlow, Adam Kotorashvili
Bacillus anthracis strain 55-VNIIVViM is a live-attenuated nonencapsulated Soviet/Russian veterinary anthrax vaccine strain. We report here the genome of 55-VNIIVViM and confirm its phylogenetic placement in the global population structure of B. anthracis.
December 22, 2016: Genome Announcements
https://www.readbyqxmd.com/read/28007848/draft-genome-sequence-of-the-nonpathogenic-thermotolerant-and-exopolysaccharide-producing-bacillus-anthracis-strain-pfab2-from-panifala-hot-water-spring-in-west-bengal-india
#11
Aparna Banerjee, Urmi Halder, Vasvi Chaudhry, Rajeev K Varshney, Shrikant Mantri, Rajib Bandopadhyay
Bacillus anthracis is the causative agent of fatal anthrax in both animals and humans. It is prevalently pathogenic. Here, we present a Bacillus anthracis PFAB2 strain from a relatively unexplored Panifala hot water spring in West Bengal, India. It is nonpathogenic, exopolysaccharide producing, and thermotolerant in nature.
December 22, 2016: Genome Announcements
https://www.readbyqxmd.com/read/27999382/rapid-detection-of-bacillus-anthracis-spores-using-immunomagnetic-separation-and-amperometry
#12
David F Waller, Brian E Hew, Charlie Holdaway, Michael Jen, Gabriel D Peckham
Portable detection and quantitation methods for Bacillus anthracis (anthrax) spores in pure culture or in environmental samples are lacking. Here, an amperometric immunoassay has been developed utilizing immunomagnetic separation to capture the spores and remove potential interferents from test samples followed by amperometric measurement on a field-portable instrument. Antibody-conjugated magnetic beads and antibody-conjugated glucose oxidase were used in a sandwich format for the capture and detection of target spores...
December 20, 2016: Biosensors
https://www.readbyqxmd.com/read/27983505/modeling-tool-for-decision-support-during-early-days-of-an-anthrax-event
#13
Gabriel Rainisch, Martin I Meltzer, Sean Shadomy, William A Bower, Nathaniel Hupert
Health officials lack field-implementable tools for forecasting the effects that a large-scale release of Bacillus anthracis spores would have on public health and hospitals. We created a modeling tool (combining inhalational anthrax caseload projections based on initial case reports, effects of variable postexposure prophylaxis campaigns, and healthcare facility surge capacity requirements) to project hospitalizations and casualties from a newly detected inhalation anthrax event, and we examined the consequences of intervention choices...
January 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/27983504/analysis-of-anthrax-immune-globulin-intravenous-with-antimicrobial-treatment-in-injection-drug-users-scotland-2009-2010
#14
Xizhong Cui, Leisha D Nolen, Junfeng Sun, Malcolm Booth, Lindsay Donaldson, Conrad P Quinn, Anne E Boyer, Katherine Hendricks, Sean Shadomy, Pieter Bothma, Owen Judd, Paul McConnell, William A Bower, Peter Q Eichacker
We studied anthrax immune globulin intravenous (AIG-IV) use from a 2009-2010 outbreak of Bacillus anthracis soft tissue infection in injection drug users in Scotland, UK, and we compared findings from 15 AIG-IV recipients with findings from 28 nonrecipients. Death rates did not differ significantly between recipients and nonrecipients (33% vs. 21%). However, whereas only 8 (27%) of 30 patients at low risk for death (admission sequential organ failure assessment score of 0-5) received AIG-IV, 7 (54%) of the 13 patients at high risk for death (sequential organ failure assessment score of 6-11) received treatment...
January 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/27983489/epidemiology-of-human-anthrax-in-china-1955-2014
#15
Yu Li, Wenwu Yin, Martin Hugh-Jones, Liping Wang, Di Mu, Xiang Ren, Lingjia Zeng, Qiulan Chen, Wei Li, Jianchun Wei, Shengjie Lai, Hang Zhou, Hongjie Yu
Using national surveillance data for 120,111 human anthrax cases recorded during 1955-2014, we analyzed the temporal, seasonal, geographic, and demographic distribution of this disease in China. After 1978, incidence decreased until 2013, when it reached a low of 0.014 cases/100,000 population. The case-fatality rate, cumulatively 3.6% during the study period, has also decreased since 1990. Cases occurred throughout the year, peaking in August. Geographic distribution decreased overall from west to east, but the cumulative number of affected counties increased during 2005-2014...
January 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/27966316/evaluation-of-cutaneous-anthrax-cases-during-an-outbreak-in-the-east-region-of-turkey
#16
Esra Kural Ünüvar, Deniz Bahar Akgün Karapınar, Nazlı Dizen Namdar
BACKGROUND/AIM: Anthrax is a zoonotic infection caused by Bacillus anthracis. We aimed to retrospectively evaluate cutaneous anthrax cases that occurred during an outbreak in eastern Turkey (Hakkari-Yüksekova), where people mostly earn their living from animal husbandry. MATERIALS AND METHODS: Forty-six cutaneous anthrax patients that were admitted to the hospital during a very short duration of 3 months (June-August 2011) were evaluated. RESULTS: Out of 46 patients, 27 (52%) were women and 19 (48%) were men...
November 17, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/27960239/histopathology-of-vaccine-preventable-diseases
#17
REVIEW
Isaac H Solomon, Danny A Milner
The widespread use of vaccines has been one of the most important medical advances in the last century, saving trillions of dollars and millions of lives. Despite local eradication of some infections, travellers returning from affected areas may cause outbreaks through reintroduction of pathogens to individuals who are unable to receive vaccines for medical reasons or who have declined vaccination for non-medical reasons. Infections that would otherwise be uncommonly encountered by anatomical pathologists should therefore remain in the differential diagnosis for immunocompromised and unvaccinated patients...
January 2017: Histopathology
https://www.readbyqxmd.com/read/27938598/-infantile-systemic-hyalinosis-a-case-report-and-literature-review
#18
J Lu, J Li, F Y Lin
Objective: To investigate the clinical, pathological and gene mutation features of infantile systemic hyalinosis(ISH). Method: Data of a child with ISH seen in Haikou Hospital were retrospectively analyzed for the diagnosis and differential diagnosis of infantile systemic hyalinosis and the relevant reports in literature were reviewed. Result: A 1 year and 1 month old boy showed limbs joint stiffness, limited mobility and double knee flexion at his first month of life. At third month, red rashes appeared on the body and gradually became purple, most of them were seen on the back and they were higher than the skin surface, uneven and did not fade when pressed...
December 2, 2016: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/27926929/functional-and-evolutionary-analyses-identify-proteolysis-as-a-general-mechanism-for-nlrp1-inflammasome-activation
#19
Joseph Chavarría-Smith, Patrick S Mitchell, Alvin M Ho, Matthew D Daugherty, Russell E Vance
Inflammasomes are cytosolic multi-protein complexes that initiate immune responses to infection by recruiting and activating the Caspase-1 protease. Human NLRP1 was the first protein shown to form an inflammasome, but its physiological mechanism of activation remains unknown. Recently, specific variants of mouse and rat NLRP1 were found to be activated upon N-terminal cleavage by the anthrax lethal factor protease. However, agonists for other NLRP1 variants, including human NLRP1, are not known, and it remains unclear if they are also activated by proteolysis...
December 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27925405/animal-to-human-dose-translation-of-obiltoxaximab-for-treatment-of-inhalational-anthrax-under-the-us-fda-animal-rule
#20
C F Nagy, J Mondick, N Serbina, L S Casey, S E Carpenter, J French, R Guttendorf
Obiltoxaximab, a monoclonal antibody against protective antigen (PA), is approved for treatment of inhalational anthrax under the US Food and Drug Administration's (FDA) Animal Rule. The human dose was selected and justified by comparing observed obiltoxaximab exposures in healthy and infected New Zealand White rabbits and cynomolgus macaques to observed exposures in healthy humans, to simulated exposures in healthy and infected humans, and to serum PA levels in infected animals. In humans, at 16 mg/kg intravenous, obiltoxaximab AUC was >2 times that in animals, while maximum serum concentrations were comparable to those in animals and were maintained in excess of the concentration required for PA neutralization in infected animals for 2-3 weeks...
December 7, 2016: Clinical and Translational Science
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