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https://www.readbyqxmd.com/read/28335539/abundance-of-pathogenic-escherichia-coli-virulence-associated-genes-in-well-and-borehole-water-used-for-domestic-purposes-in-a-peri-urban-community-of-south-africa
#1
Akebe Luther King Abia, Lisa Schaefer, Eunice Ubomba-Jaswa, Wouter Le Roux
In the absence of pipe-borne water, many people in Africa, especially in rural communities, depend on alternative water sources such as wells, boreholes and rivers for household and personal hygiene. Poor maintenance and nearby pit latrines, however, lead to microbial pollution of these sources. We evaluated the abundance of Escherichia coli and the prevalence of pathogenic E. coli virulence genes in water from wells, boreholes and a river in a South African peri-urban community. Monthly samples were collected between August 2015 and November 2016...
March 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28335538/precise-orbit-solution-for-swarm-using-space-borne-gps-data-and-optimized-pseudo-stochastic-pulses
#2
Bingbing Zhang, Zhengtao Wang, Lv Zhou, Jiandi Feng, Yaodong Qiu, Fupeng Li
Swarm is a European Space Agency (ESA) project that was launched on 22 November 2013, which consists of three Swarm satellites. Swarm precise orbits are essential to the success of the above project. This study investigates how well Swarm zero-differenced (ZD) reduced-dynamic orbit solutions can be determined using space-borne GPS data and optimized pseudo-stochastic pulses under high ionospheric activity. We choose Swarm space-borne GPS data from 1-25 October 2014, and Swarm reduced-dynamic orbits are obtained...
March 20, 2017: Sensors
https://www.readbyqxmd.com/read/28335438/the-food-production-environment-and-the-development-of-antimicrobial-resistance-in-human-pathogens-of-animal-origin
#3
REVIEW
Manjusha Lekshmi, Parvathi Ammini, Sanath Kumar, Manuel F Varela
Food-borne pathogens are a serious human health concern worldwide, and the emergence of antibiotic-resistant food pathogens has further confounded this problem. Once-highly-efficacious antibiotics are gradually becoming ineffective against many important pathogens, resulting in severe treatment crises. Among several reasons for the development and spread of antimicrobial resistance, their overuse in animal food production systems for purposes other than treatment of infections is prominent. Many pathogens of animals are zoonotic, and therefore any development of resistance in pathogens associated with food animals can spread to humans through the food chain...
March 14, 2017: Microorganisms
https://www.readbyqxmd.com/read/28335329/nanoparticle-based-delivery-of-anaplasma-marginale-membrane-proteins-virb9-1-and-virb10-produced-in-the-pichia-pastoris-expression-system
#4
Bing Zhang, Antonio S Cavallaro, Karishma T Mody, Jun Zhang, James R Deringer, Wendy C Brown, Timothy J Mahony, Chengzhong Yu, Neena Mitter
Bovine anaplasmosis or cattle-tick fever is a tick-borne haemolytic disease caused by the rickettsial haemoparasite Anaplasma marginale in tropical and subtropical areas of the world. While difficult to express, the proteins VirB9-1 and VirB10 are immunogenic components of the outer membrane type IV secretion system that have been identified as candidate antigens for vaccines targeting of A. marginale. Soluble VirB9-1 and VirB10 were successfully expressed using Pichia pastoris. When formulated with the self-adjuvanting silica vesicles, SV-100 (diameter: 50 nm, and pore entrance size: 6 nm), 200 µg of VirB9-1 and VirB10 were adsorbed per milligram of nanoparticle...
November 5, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335280/pregnancy-vaccination-with-gold-glyco-nanoparticles-carrying-listeria-monocytogenes-peptides-protects-against-listeriosis-and-brain-and-cutaneous-associated-morbidities
#5
Ricardo Calderón-Gonzalez, Héctor Terán-Navarro, Elisabet Frande-Cabanes, Eva Ferrández-Fernández, Javier Freire, Soledad Penadés, Marco Marradi, Isabel García, Javier Gomez-Román, Sonsoles Yañez-Díaz, Carmen Álvarez-Domínguez
Listeriosis is a fatal infection for fetuses and newborns with two clinical main morbidities in the neonatal period, meningitis and diffused cutaneous lesions. In this study, we vaccinated pregnant females with two gold glyconanoparticles (GNP) loaded with two peptides, listeriolysin peptide 91-99 (LLO91-99) or glyceraldehyde-3-phosphate dehydrogenase 1-22 peptide (GAPDH1-22). Neonates born to vaccinated mothers were free of bacteria and healthy, while non-vaccinated mice presented clear brain affections and cutaneous diminishment of melanocytes...
August 19, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335089/variance-components-estimation-for-farrowing-traits-in-three-purebred-pigs
#6
Bryan Irvine Mamuad Lopez, Tae Hun Kim, Milton Tinashe Makumbe, Choul Won Song, Kang Seok Seo
Objective: This study was conducted to estimate breed-specific variance components for total number born (TNB), number born alive (NBA) and mortality rate from birth through weaning including stillbirths (MORT) of three main swine breeds in Korea. In addition, the importance of including maternal genetic and service sire effects in estimation models was evaluated. Methods: Records of farrowing traits from 6,412 Duroc, 18,020 Landrace and 54,254 Yorkshire sows collected from January 2001 to September 2016 from different farms in Korea were used in the analysis...
March 21, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28334569/incidence-and-risk-factors-of-caesarean-section-in-preterm-breech-births-a-population-based-cohort-study
#7
Elsa Lorthe, Mathilde Quere, Loïc Sentilhes, Pierre Delorme, Gilles Kayem
OBJECTIVES: To describe the incidence of breech presentation at 22-34 weeks' gestation, estimate the incidence of cesarean section delivery by cause of prematurity, and assess the factors associated with caesarean delivery in preterm breech births with preterm labor or preterm premature rupture of membranes. STUDY DESIGN: EPIPAGE 2 is a French national prospective population-based cohort study of preterm births that occurred in 546 maternity units in 2011. We estimated the overall incidence of breech presentation and the incidence of cesarean delivery by cause of prematurity...
March 10, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28334483/activities-of-daily-living-trajectories-among-institutionalized-older-adults-a-prospective-study
#8
Huai-Ting Kuo, Kuan-Chia Lin, Chung-Fu Lan, I-Chuan Li
AIMS AND OBJECTIVES: To examine ADL trajectory groups among older residents in Taiwan, and to determine the relative risks of demographic characteristics and health status in explaining the trajectory group of ADL. BACKGROUND: Activity of daily living (ADL) is a crucial indicator of health status for institutionalized older adults. ADL is a dynamic process, and has differences in trajectory groups. DESIGN: This study was a 3-year longitudinal analysis of long-term care (LTC) facility residents in Taiwan...
March 23, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28333965/worm-infestations-and-development-of-autoimmunity-in-children-the-abis-study
#9
Johnny Ludvigsson, Michael P Jones, Åshild Faresjö
Worm infestations influence the immune system and may therefore decrease the risk for autoimmune diseases. The aim of the study was to determine whether children who have developed autoimmune disease were less likely to have had worm infestations in childhood. The ABIS-study is a prospective population-based cohort study of children born in southeast Sweden 1997/99. 17.055 children participated. As of June 2014 116 individuals had developed Type 1 diabetes, 181 celiac disease, and 53 Juvenile Rheumatoid Arthritis...
2017: PloS One
https://www.readbyqxmd.com/read/28333913/tuberculosis-among-foreign-born-persons-diagnosed-%C3%A2-10-years-after-arrival-in-the-united-states-2010-2015
#10
Clarisse A Tsang, Adam J Langer, Thomas R Navin, Lori R Armstrong
The majority of tuberculosis (TB) cases in the United States are attributable to reactivation of latent TB infection (LTBI) (1). LTBI refers to the condition when a person is infected with Mycobacterium tuberculosis without signs and symptoms, or radiographic or bacteriologic evidence of TB disease. CDC and the U.S. Preventive Services Task Force (USPSTF) recommend screening populations at increased risk for LTBI, including persons who have lived in congregate settings at high risk and persons who were born in, or are former residents of countries with TB incidence ≥20 cases per 100,000 population (2-4)...
March 24, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28333912/quickstats-percentage-of-u-s-women-aged-50-74-years-who-never-had-a-mammogram-%C3%A2-by-place-of-birth-and-length-of-residence-in-the-united-states-%C3%A2-national-health-interview-survey-2013-and-2015-%C3%A2
#11
(no author information available yet)
In 2013 and 2015 combined, 5.4% of U.S. women aged 50-74 years had never received a mammogram in their lifetime. Foreign-born women were twice as likely as U.S.-born women to have never received a mammogram (9.5% versus 4.7%). Foreign-born women who lived in the United States for <25% of their lifetime were more than twice as likely to have never received a mammogram compared with those who resided in the U.S. for ≥25% of their lifetime (17.3% versus 7.9%).
March 24, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28333910/establishing-a-timeline-to-discontinue-routine-testing-of-asymptomatic-pregnant-women-for-zika-virus-infection-american-samoa-2016-2017
#12
W Thane Hancock, Heidi M Soeters, Susan L Hills, Ruth Link-Gelles, Mary E Evans, W Randolph Daley, Emily Piercefield, Magele Scott Anesi, Mary Aseta Mataia, Anaise M Uso, Benjamin Sili, Aifili John Tufa, Jacqueline Solaita, Elizabeth Irvin-Barnwell, Dana Meaney-Delman, Jason Wilken, Paul Weidle, Karrie-Ann E Toews, William Walker, Phillip M Talboy, William K Gallo, Nevin Krishna, Rebecca L Laws, Megan R Reynolds, Alaya Koneru, Carolyn V Gould
The first patients with laboratory-confirmed cases of Zika virus disease in American Samoa had symptom onset in January 2016 (1). In response, the American Samoa Department of Health (ASDoH) implemented mosquito control measures (1), strategies to protect pregnant women (1), syndromic surveillance based on electronic health record (EHR) reports (1), Zika virus testing of persons with one or more signs or symptoms of Zika virus disease (fever, rash, arthralgia, or conjunctivitis) (1-3), and routine testing of all asymptomatic pregnant women in accordance with CDC guidance (2,3)(...
March 24, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28333618/increasing-evidence-of-tick-borne-encephalitis-tbe-virus-transmission-the-netherlands-june-2016
#13
Adriaan Cg Weststrate, Daan Knapen, Gozewijn D Laverman, Bart Schot, Jan Jw Prick, Silke A Spit, Johan Reimerink, Barry Rockx, Felix Geeraedts
We present a case of endemic tick-borne encephalitis (TBE) occurring in June 2016 in the eastern part of the Netherlands in an area where a strain of TBE virus, genetically different from the common TBE virus strains in Europe, was reported in ticks in 2016. With the start of the tick season in spring, this second autochthonous Dutch TBE case should remind physicians to consider the possibility of endemic TBE in patients with respective symptoms.
March 16, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28333603/focal-segmental-glomerulosclerosis-in-a-patient-with-ambiguous-genitalia-a-diagnostic-dilemma
#14
Oliver E Ross, Dean A Kujubu, John J Sim
The renal condition referred to as focal segmental glomerulosclerosis (FSGS) presents a diagnostic dilemma for the clinician. It encompasses and displays a nonspecific histologic appearance on a kidney biopsy specimen, rather than a unique disease entity. This characteristic of FSGS often makes treatment decisions and prognostication difficult. A 34-year-old man, who was born with ambiguous genitalia, had received a diagnosis of FSGS in young adulthood and now had advanced kidney disease. He underwent genetic testing to determine whether a genetic disorder was underlying his kidney disease and to ascertain his risk of FSGS recurrence if he were to receive a kidney transplant...
2017: Permanente Journal
https://www.readbyqxmd.com/read/28333477/perceived-discrimination-cultural-identity-development-and-intimate-partner-violence-among-a-sample-of-hispanic-young-adults
#15
Myriam Forster, Timothy J Grigsby, Daniel W Soto, Steve Y Sussman, Jennifer B Unger
OBJECTIVE: Despite the prevalence of interpersonal violence (IPV), scientific understanding of the risk and protective factors for unidirectional and bidirectional IPV, and especially the role of sociocultural variables in these behaviors, is limited. This study investigates the association between ethnic-identity search, ethnic-identity affirmation, perceived discrimination, and unidirectional (victimization only, perpetration only) and bidirectional (reciprocal violence) IPV behaviors among foreign-born and U...
March 23, 2017: Cultural Diversity & Ethnic Minority Psychology
https://www.readbyqxmd.com/read/28333325/triple-paternal-contribution-to-a-normal-complete-molar-chimeric-singleton-placenta
#16
I Ariel, D Goldman-Wohl, S Yagel, E Gazit, R Loewenthal
A comprehensive study of unusual cases of placental pathology may provide insight into mechanisms of normal human fertilization and early embryonic development by examining the exception to the rule. A gravida three para two 39-year-old woman was monitored by ultrasound from 16 weeks of gestation for cystic placenta. A female newborn was born at 36 weeks gestation. Pathologic examination of the partially cystic placenta revealed a singleton placenta comprised of 2/3 normal placenta and 1/3 complete hydatidiform mole, largely degenerated...
March 14, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333311/citrobacter-braakii-carrying-plasmid-borne-mcr-1-colistin-resistance-gene-from-ready-to-eat-food-from-a-market-in-the-chaco-region-of-bolivia
#17
Samanta Sennati, Vincenzo Di Pilato, Eleonora Riccobono, Tiziana Di Maggio, Ana Liz Villagran, Lucia Pallecchi, Alessandro Bartoloni, Gian Maria Rossolini, Tommaso Giani
No abstract text is available yet for this article.
March 15, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28333296/stepwise-evolution-of-a-buried-inhibitor-peptide-over-45-million-years
#18
Achala S Jayasena, Mark F Fisher, Jose L Panero, David Secco, Kalia Bernath-Levin, Oliver Berkowitz, Nicolas L Taylor, Edward E Schilling, James Whelan, Joshua S Mylne
The de novo evolution of genes and the novel proteins they encode has stimulated much interest in the contribution such innovations make to the diversity of life. Most research on this de novo evolution focuses on transcripts, so studies on the biochemical steps that can enable completely new proteins to evolve and the time required to do so have been lacking. Sunflower PawS1 is an unusual albumin precursor because in addition to producing albumin it also yields a potent, bicyclic protease-inhibitor called SFTI-1...
March 8, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28333295/drug-resistance-in-antiretroviral-naive-children-newly-diagnosed-with-hiv-1-in-manaus-amazonas
#19
Solange Dourado de Andrade, Meritxell Sabidó, Wuelton Marcelo Monteiro, Adele Schwartz Benzaken, Amilcar Tanuri
Objectives: To determine the prevalence of drug resistance mutations (DRM), the prevalence of drug susceptibility [transmitted drug resistance (TDR)] and the prevalence of HIV-1 variants among treatment-naive HIV-infected children in Manaus, Amazonas state, Brazil. Methods: Children born to HIV-infected mothers and diagnosed with HIV in an HIV reference service centre and with available pol sequence between 2010 and 2015 prior to antiretroviral initiation were included...
March 13, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28333256/analgesia-use-during-pregnancy-and-risk-of-cryptorchidism-a-systematic-review-and-meta-analysis
#20
Jason Gurney, Lorenzo Richiardi, Katherine A McGlynn, Virginia Signal, Diana Sarfati
STUDY QUESTION: Are boys who are born to mothers who use analgesics during pregnancy at increased risk of cryptorchidism compared to those born to mothers who do not take analgesia? SUMMARY ANSWER: In this systematic review and meta-analysis of 10 published studies, we observed only weak evidence of an association between analgesia use during pregnancy and risk of cryptorchidism in the son. WHAT IS KNOWN ALREADY: Concentrations of analgesia relevant to human exposure have been implicated as causing endocrine disturbances in the developing foetal testis...
March 8, 2017: Human Reproduction
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