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https://www.readbyqxmd.com/read/27933296/modeling-diet-induced-obesity-with-obesity-prone-rats-implications-for-studies-in-females
#1
REVIEW
Erin D Giles, Matthew R Jackman, Paul S MacLean
Obesity is a worldwide epidemic, and the comorbidities associated with obesity are numerous. Over the last two decades, we and others have employed an outbred rat model to study the development and persistence of obesity, as well as the metabolic complications that accompany excess weight. In this review, we summarize the strengths and limitations of this model and how it has been applied to further our understanding of human physiology in the context of weight loss and weight regain. We also discuss how the approach has been adapted over time for studies in females and female-specific physiological conditions, such as menopause and breast cancer...
2016: Frontiers in Nutrition
https://www.readbyqxmd.com/read/27932614/validation-of-the-cepheid-genexpert-for-detecting-ebola-virus-in-semen
#2
Amy James Loftis, Saturday Quellie, Kelly Chason, Emmanuel Sumo, Mason Toukolon, Yonnie Otieno, Heinzfried Ellerbrok, Marcia M Hobbs, David Hoover, Karine Dube, David A Wohl, William A Fischer
BACKGROUND: Ebola virus (EBOV) RNA persistence in semen, reported sexual transmission, and sporadic clusters at the end of the 2013-2016 epidemic have prompted recommendations that male survivors refrain from unprotected sex unless their semen is confirmed to be EBOV-free. However, there is no fully validated assay for EBOV detection in fluids other than blood. METHODS: The Cepheid Xpert Ebola assay for EBOV RNA detection was validated for whole semen and blood using samples obtained from uninfected donors and spiked with inactivated EBOV...
December 8, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27932442/contraceptive-sales-in-the-setting-of-the-zika-virus-epidemic
#3
Luis Bahamondes, Moazzam Ali, Ilza Monteiro, Arlete Fernandes
STUDY QUESTION: Has there been any influence of the Zika virus (ZIKV) outbreak on the sales of contraceptive methods in Brazil? SUMMARY ANSWER: Contraceptive sales in the 24 months of evaluation showed little variation and no significant change has been observed since the ZIKV outbreak. WHAT IS KNOWN ALREADY: Transmission of ZIKV is primarily by Aedes aegypti mosquitoes; however, sexual transmission has also been described. The association of several birth defects and the ZIKV infection during pregnancy has been established, and it was estimated in Bahia, Brazil that the infection rate could range from 10% to 80%...
December 7, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27932206/detailed-analysis-of-balb-c-mice-challenged-with-wild-type-rotavirus-edim-provide-an-alternative-for-infection-model-of-rotavirus
#4
Jialiang Du, Zhiling Lan, Yueyue Liu, Yan Liu, Yanchao Li, Xiangming Li, Tai Guo
Mouse is one of the infection animal models for rotavirus. Since the optimal age of mouse sensitive to rotavirus infection thus far has not been unified, we elucidated clinical symptoms, immune responses and pathological changes of mice in different ages after challenged by murine rotavirus wild strain EDIM (Epidemic Diarrhea of Infant Mice) to provide data for the estimation. One-week-old, two-week-old, and three-week-old BALB/c mice were inoculated with EDIM in the challenge dose of 235 ID50, 470 ID50 and 705 ID50 respectively and were compared to mock-infected controls...
December 5, 2016: Virus Research
https://www.readbyqxmd.com/read/27931998/-between-combat-boots-and-birkenstocks-lessons-from-hiv-aids-sars-h1n1-and-ebola
#5
R Crawford, D C Rutz, D P Evans
OBJECTIVES: In late 2013, an Ebola outbreak quickly grew into an epidemic of extraordinary magnitude, killing more people than all previous Ebola outbreaks combined. Although the epidemic was unprecedented, the world had previously experienced several acute public health emergencies requiring global coordination. HIV/AIDS, SARS and H1N1 tested global response, and in each case coordination proved problematic, making the 2013-2015 Ebola epidemic no exception. The purpose of this project was to identify persistent vulnerabilities within global public health emergency response and to identify areas for future research and improvement...
December 2016: Public Health
https://www.readbyqxmd.com/read/27931993/age-period-cohort-analyses-of-obesity-prevalence-in-us-adults
#6
R An, X Xiang
OBJECTIVES: Age-period-cohort analysis is a stream of methodologies that decompose the temporal trends for disease risk into three time scales-age, calendar year (period) and year of birth (cohort). This study conducted age-period-cohort analyses of obesity prevalence in US adults. STUDY DESIGN: Retrospective data analysis. METHODS: We constructed regression models based on anthropometric data from the 1999-2012 National Health and Nutrition Examination Survey to correct for the self-reported height/weight in the 1984-2014 Behavioral Risk Factor Surveillance System (BRFSS)...
December 2016: Public Health
https://www.readbyqxmd.com/read/27931933/diagnostic-evaluation-of-assays-for-detection-of-antibodies-against-porcine-epidemic-diarrhea-virus-pedv-in-pigs-exposed-to-different-pedv-strains
#7
Priscilla F Gerber, Davide Lelli, Jianqiang Zhang, Bertel Strandbygaard, Ana Moreno, Antonio Lavazza, Simona Perulli, Anette Bøtner, Loic Comtet, Mickael Roche, Philippe Pourquier, Chong Wang, Tanja Opriessnig
Porcine epidemic diarrhea virus (PEDV) has caused economic losses in the Americas, Asia and Europe in recent years. Reliable serological assays are essential for epidemiological studies and vaccine evaluation. The objective of this study was to compare the ability of five enzyme-linked immunosorbent assays (ELISAs) to detect antibodies against different PEDV strains in pig serum. A total of 732 serum samples from North American or European pigs were tested. Samples included experimental samples from pigs infected with classical (G1a PEDV) or variant genogroup 1 PEDV (G1b PEDV), pandemic genogroup 2 PEDV (G2b PEDV) or non-infected controls...
December 1, 2016: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/27931676/passive-case-finding-for-tuberculosis-is-not-enough
#8
REVIEW
Jennifer Ho, Greg J Fox, Ben J Marais
Current World Health Organisation targets calling for an end to the global tuberculosis (TB) epidemic by 2035 require a dramatic improvement in current case-detection strategies. A reliance on passive case finding (PCF) has resulted consistently, in over three million infectious TB cases per year, being missed by the health system, leading to ongoing transmission of infection within families and communities. Active case finding (ACF) for TB has been recognized as an important complementary strategy to PCF, in order to diagnose and treat patients earlier, reducing the period of infectiousness and therefore transmission...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/27931229/a-national-health-facility-survey-of-malaria-infection-among-febrile-patients-in-kenya-2014
#9
Sophie Githinji, Abdisalan M Noor, Josephine Malinga, Peter M Macharia, Rebecca Kiptui, Ahmeddin Omar, Kiambo Njagi, Ejersa Waqo, Robert W Snow
BACKGROUND: The use of malaria infection prevalence among febrile patients at clinics has a potential to be a valuable epidemiological surveillance tool. However, routine data are incomplete and not all fevers are tested. This study was designed to screen all fevers for malaria infection in Kenya to explore the epidemiology of fever test positivity rates. METHODS: Random sampling was used within five malaria epidemiological zones of Kenya (i.e., high lake endemic, moderate coast endemic, highland epidemic, seasonal low transmission and low risk zones)...
December 8, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27931136/iminosugars-promising-therapeutics-for-influenza-infection
#10
Beatrice Ellen Tyrrell, Andrew Cameron Sayce, Kelly Lyn Warfield, Joanna Louise Miller, Nicole Zitzmann
Influenza virus causes three to five million severe respiratory infections per year in seasonal epidemics, and sporadic pandemics, three of which occurred in the twentieth century and are a continuing global threat. Currently licensed antivirals exclusively target the viral neuraminidase or M2 ion channel, and emerging drug resistance necessitates the development of novel therapeutics. It is believed that a host-targeted strategy may combat the development of antiviral drug resistance. To this end, a class of molecules known as iminosugars, hydroxylated carbohydrate mimics with the endocyclic oxygen atom replaced by a nitrogen atom, are being investigated for their broad-spectrum antiviral potential...
December 8, 2016: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/27930720/early-resumption-of-sex-following-voluntary-medical-male-circumcision-amongst-school-going-males
#11
Gavin George, Kaymarlin Govender, Sean Beckett, Carl Montague, Janet Frohlich
Voluntary medical male circumcision is an integral part of the South African government's response to the HIV and AIDS epidemic. Following circumcision, it is recommended that patients abstain from sexual activity for six weeks, as sex may increase the risk of female-to-male HIV transmission and prolong the healing period. This paper investigates the resumption of sexual activity during the healing period among a cohort of school-going males in the KwaZulu-Natal province of South Africa. The analysis for this paper compares two groups of sexually active school-going males: the first group reported having sex during the healing period (n = 40) and the second group (n = 98) reported no sex during the healing period (mean age: 17...
2016: PloS One
https://www.readbyqxmd.com/read/27930675/spatiotemporal-analysis-of-the-2014-ebola-epidemic-in-west-africa
#12
Jantien A Backer, Jacco Wallinga
In 2014-2016, Guinea, Sierra Leone and Liberia in West Africa experienced the largest and longest Ebola epidemic since the discovery of the virus in 1976. During the epidemic, incidence data were collected and published at increasing resolution. To monitor the epidemic as it spread within and between districts, we develop an analysis method that exploits the full spatiotemporal resolution of the data by combining a local model for time-varying effective reproduction numbers with a gravity-type model for spatial dispersion of the infection...
December 2016: PLoS Computational Biology
https://www.readbyqxmd.com/read/27930607/counseling-framework-for-hiv-serodiscordant-couples-on-the-integrated-use-of-antiretroviral-therapy-and-pre-exposure-prophylaxis-for-hiv-prevention
#13
Jennifer F Morton, Connie Celum, John Njoroge, Agnes Nakyanzi, Imeldah Wakhungu, Edna Tindimwebwa, Snaidah Ongachi, Eric Sedah, Emmanuel Okwero, Kenneth Ngure, Josephine Odoyo, Nulu Bulya, Jessica E Haberer, Jared M Baeten, Renee Heffron
BACKGROUND: For HIV-serodiscordant couples, integrated delivery of antiretroviral therapy (ART) for HIV-positive partners and time-limited pre-exposure prophylaxis (PrEP) for negative partners virtually eliminates HIV transmission. Standardized messaging, sensitive to the barriers and motivators to HIV treatment and prevention, is needed for widespread scale-up of this approach. METHODS: Within the Partners Demonstration Project, a prospective interventional project among 1013 serodiscordant couples in Kenya and Uganda, we offered ART to eligible HIV-positive partners and PrEP to HIV-negative partners before ART initiation and through the HIV-positive partner's first 6 months of ART use...
January 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/27928865/canine-distemper-virus-in-the-serengeti-ecosystem-molecular-adaptation-to-different-carnivore-species
#14
Veljko M Nikolin, Ximena A Olarte-Castillo, Nikolaus Osterrieder, Heribert Hofer, Edward Dubovi, Camila J Mazzoni, Edgar Brunner, Katja V Goller, Robert D Fyumagwa, Patricia D Moehlman, Dagmar Thierer, Marion L East
Was the 1993/1994 fatal canine distemper virus (CDV) epidemic in lions and spotted hyaenas in the Serengeti ecosystem caused by the recent spillover of a virulent domestic dog strain or one well adapted to these noncanids? We examine this question using sequence data from 13 'Serengeti' strains including five complete genomes obtained between 1993 and 2011. Phylogenetic and haplotype network analyses reveal that strains from noncanids during the epidemic were more closely related to each other than to those from domestic or wild canids...
December 7, 2016: Molecular Ecology
https://www.readbyqxmd.com/read/27928533/mosquito-surveillance-and-the-first-record-of-the-invasive-mosquito-species-aedes-stegomyia-albopictus-skuse-diptera-culicidae-in-southern-iran
#15
Sara Doosti, Mohammad Reza Yaghoobi-Ershadi, Francis Schaffner, Seyed Hassan Moosa-Kazemi, Kamran Akbarzadeh, Mohammad Mehdi Gooya, Hassan Vatandoost, Mohammad Reza Shirzadi, Ehsan Mosta-Favi
BACKGROUND: Epidemics of mosquito-borne viral infections such as dengue, chikungunya, West Nile and Rift Valley fevers in neighbouring countries and risk of introduction of exotic vectors into Iran have placed this country at a significant risk for these mosquito-borne diseases. METHODS: After the first dengue case reported in Iran in 2008, active entomological surveillance of Aedes albopictus (Skuse) and Ae. aegypti (Linnaeus) were conducted in May/Jun, Sep, and Oct/Nov, 2008-2014...
August 2016: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/27928443/pre-and-post-natal-risk-and-determination-of-factors-for-child-obesity
#16
Trandafir Lm, Temneanu Or
Obesity is considered a condition presenting a complex, multi-factorial etiology that implies genetic and non-genetic factors. The way the available information should be efficiently and strategically used in the obesity and overweight prohylaxisprogrammes for children all over the world is still unclear for most of the risk factors. Mothers' pre-conception weight and weight gain during pregnancy are two of the most important prenatal determinants of childhood obesity. Maternal obesity and gestational weight gain are associated with foetal macrosomia and childhood obesity, and this effect extends into adulthood...
October 2016: Journal of Medicine and Life
https://www.readbyqxmd.com/read/27928085/development-of-a-prediction-model-for-ebola-virus-disease-a-retrospective-study-in-nz%C3%A3-r%C3%A3-kor%C3%A3-ebola-treatment-center-guinea
#17
Paul Loubet, Romain Palich, Richard Kojan, Olivier Peyrouset, Christine Danel, Sarala Nicholas, Mamoudou Conde, Klaudia Porten, Augustin Augier, Yazdan Yazdanpanah
The 2014 Ebola epidemic has shown the importance of accurate and rapid triage tools for patients with suspected Ebola virus disease (EVD). Our objective was to create a predictive score for EVD. We retrospectively reviewed all suspected cases admitted to the Ebola treatment center (ETC) in Nzérékoré, Guinea, between December 2, 2014, and February 23, 2015. We used a multivariate logistic regression model to identify clinical and epidemiological factors associated with EVD, which were used to create a predictive score...
December 7, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27928079/factors-associated-with-fatal-outcomes-following-cholera-like-syndrome-in-far-north-region-of-cameroon-a-community-based-survey
#18
Fabrice N Djouma, Jerome Ateudjieu, Malathi Ram, Amanda K Debes, David A Sack
This study demonstrates that most cholera deaths in this region of Cameroon occur out of hospital. This is a region which is prone to cholera, and interventions are needed to improve access to emergency medical care, especially during cholera outbreaks. Cameroon has experienced 14 cholera epidemics during the last 20 years, and these have had high case fatality rates. This study attempted to assess the effect of delays in seeking care and the locations of care as possible risk factors for cholera mortality...
December 7, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27927822/clinical-implications-of-the-global-multidrug-resistant-tuberculosis-epidemic
#19
Kartik Kumar, Ibrahim Abubakar
Multidrug-resistant tuberculosis (MDR TB) is a significant threat to global health estimated to account for nearly half a million new cases and over 200,000 deaths in 2013. The number of MDR TB cases in the UK has risen over the last 15 years, with ever more complex clinical cases and associated challenging public health and societal implications. In this review, we provide an overview of the epidemiology of MDR TB globally and in the UK, outline the clinical management of MDR TB and summarise recent advances in diagnostics and prospects for new treatment...
December 2016: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/27926927/male-circumcision-and-the-epidemic-emergence-of-hiv-2-in-west-africa
#20
João Dinis Sousa, Marina Padrão Temudo, Barry Stephen Hewlett, Ricardo Jorge Camacho, Viktor Müller, Anne-Mieke Vandamme
BACKGROUND: Epidemic HIV-2 (groups A and B) emerged in humans circa 1930-40. Its closest ancestors are SIVsmm infecting sooty mangabeys from southwestern Côte d'Ivoire. The earliest large-scale serological surveys of HIV-2 in West Africa (1985-91) show a patchy spread. Côte d'Ivoire and Guinea-Bissau had the highest prevalence rates by then, and phylogeographical analysis suggests they were the earliest epicenters. Wars and parenteral transmission have been hypothesized to have promoted HIV-2 spread...
2016: PloS One
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