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https://www.readbyqxmd.com/read/28640795/progress-toward-containment-of-poliovirus-type-2-worldwide-2017
#1
Nicoletta Previsani, Harpal Singh, Jeanette St Pierre, Liliane Boualam, Jacqueline Fournier-Caruana, Roland W Sutter, Michel Zaffran
The Global Polio Eradication Initiative (GPEI) continues to make progress toward the eradication target. Only one of the three serotypes, wild poliovirus (WPV) type 1 (WPV1), is still circulating, and the numbers of cases and countries with endemic transmission are at record lows. With the certification of wild poliovirus type 2 (WPV2) eradication in 2015 and the global replacement of trivalent oral poliovirus vaccine (tOPV) containing Sabin poliovirus types 1, 2, and 3 with bivalent OPV containing only Sabin poliovirus types 1 and 3 during April-May 2016, poliovirus type 2 (PV2) is now an eradicated pathogen...
June 23, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28636911/direct-conversion-of-an-enzyme-from-native-like-to-amyloid-like-aggregates-within-inclusion-bodies
#2
Francesco Elia, Francesca Cantini, Fabrizio Chiti, Christopher Martin Dobson, Francesco Bemporad
The acylphosphatase from Sulfolobus solfataricus (Sso AcP) is a globular protein able to aggregate in vitro from a native-like conformational ensemble without the need for a transition across the major unfolding energy barrier. This process leads to the formation of assemblies in which the protein retains its native-like structure, which subsequently convert into amyloid-like aggregates. Here, we investigate the mechanism by which Sso AcP aggregates in vivo to form bacterial inclusion bodies after expression in E...
June 20, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28636447/emerging-viral-infections-in-pakistan-issues-concerns-and-future-prospects
#3
Ali Talha Khalil, Muhammad Ali, Faouzia Tanveer, Muhammad Ovais, Muhammad Idrees, Zabta Khan Shinwari, James E Hollenbeck
Emerging infectious diseases pose a serious threat to public health security; this is especially true in the underdeveloped world because of limited resources to combat them. These emerging pathogens are characterized by a novel mode of pathogenesis and, in some cases, a broad host range. Over the past few decades, Pakistan has suffered a great deal from infectious diseases such as dengue, Crimean-Congo fever, hepatitis, measles, and polio. Changing climate conditions, environmental degradation, global warming, loss of biodiversity, and other ecological determinants have a direct effect on these diseases and result in the emergence and reemergence of infectious entities...
May 2017: Health Security
https://www.readbyqxmd.com/read/28636345/levels-of-organochlorine-pesticides-are-associated-with-amyloid-aggregation-in-apex-avian-brains
#4
Kelly A Heys, Richard F Shore, M Gloria Pereira, Francis Luke Martin
Organochlorine (OC) pesticides pose a significant environmental risk to wildlife and humans and have been associated with Alzheimer's disease (AD). This study aims to spectroscopically analyse brains from free-flying birds and link the results to OC exposure and consequent amyloid aggregation. As long-lived apex predators, predatory birds represent a sentinel species similar to humans. Therefore, the results have implications for both species and may also add to our understanding of the role OC pesticides play in the development of AD...
June 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28634581/commentary-surveillance-of-crimean-congo-haemorrhagic-fever-in-pakistan
#5
COMMENT
Tauqeer Hussain Mallhi, Yusra Habib Khan, Nida Tanveer, Amer Hayat Khan, Muhammad Imran Qadir
No abstract text is available yet for this article.
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28632948/nodular-cutaneous-amyloidoma-of-the-extremity-secondary-to-chronic-granulomatous-inflammation-in-setting-of-sarcoidosis
#6
Victoria Billero, Audrey A Jacobsen, Mariya I Miteva, Adam J Wulkan, Claudio Marasca, Roanelli Paolo
Soft tissue amyloidoma is a rare condition that presents primarily in the abdomen and/or mediastinum and more uncommonly on the extremities(1) . Soft tissue amyloidomas on the extremities have been associated with chronic inflammation, particularly when accompanied by AA-type amyloid deposition as seen in local trauma, surgery, hypertension, and diabetes(2) . To our knowledge, this is the first reported case of nodular cutaneous amyloidoma in the setting of systemic and cutaneous sarcoidosis. A 65-year-old woman presented with an asymptomatic subcutaneous nodule above her left lateral malleolus...
June 20, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28628342/effect-of-green-tea-polyphenol-epigallocatechin-3-gallate-on-the-aggregation-of-%C3%AE-a-66-80-peptide-a-major-fragment-of-%C3%AE-a-crystallin-involved-in-cataract-development
#7
Vijay Kumar, Shalini Gour, Ocan Simon Peter, Shraddha Gandhi, Pankaj Goyal, Janmejay Pandey, Ram Swaroop Harsolia, Jay Kant Yadav
PURPOSE: Crystallin is a major protein present in eye lens. Peptide fragment αA(66-80) derived from αA-crystallin possesses high aggregation propensity and forms amyloid-like structures. αA(66-80) aggregates are known to interact with soluble crystallins and destabilize native structures that subsequently undergo aggregation. Crystallin aggregation in eye lens leads to reduction in lens opacity, the condition generally referred to as a cataract. Thus, αA(66-80) aggregation appears to be an important event during cataract development, and therefore, inhibition of αA(66-80) aggregation may be an attractive strategy to intervene in cataract development...
June 19, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28628220/importance-of-endothelial-dysfunction-biomarkers-in-patients-with-crimean-congo-hemorrhagic-fever
#8
Mustafa Arslan, Gürdal Yilmaz, Ahmet Mentese, Hülya Yilmaz, S Caner Karahan, Iftihar Koksal
BACKGROUND: The pathogenesis of the Crimean-Congo hemorrhagic fever (CCHF) and the cause of the hemorrhage are not yet fully understood. However, the endothelium plays a key role in the pathogenesis. The purpose of this study was to investigate endothelial dysfunction markers [asymmetrical dimethyl arginine(ADMA), endothelin 1(ET-1), thrombomodulin(TM), von Willebrand factor(vWf) and intercellular adhesion molecule(ICAM-1)] in serum in patients with CCHF and their associations with hemorrhage...
June 19, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28627261/maternal-psychological-distress-and-perceived-impact-on-child-feeding-practices-in-south-kivu-dr-congo
#9
Jillian A Emerson, Wietse Tol, Laura E Caulfield, Shannon Doocy
BACKGROUND: Maternal mental health problems are associated with poor child growth and suboptimal child feeding practices, yet little qualitative research has been conducted to understand mothers' perceptions about how maternal mental ill health and child nutrition are related. OBJECTIVE: The objective of the study was to understand maternal perceptions on sources of psychological distress, and how distress impacts functioning, especially related to childcare and feeding practices among mothers of young children in South Kivu, DR Congo...
January 1, 2017: Food and Nutrition Bulletin
https://www.readbyqxmd.com/read/28626540/acute-crises-and-complications-of-sickle-cell-anemia-among-patients-attending-a-pediatric-tertiary-unit-in-kinshasa-democratic-republic-of-congo
#10
Michel Ntetani Aloni, Bertin Tshimanga Kadima, Pépé Mfutu Ekulu, Aléine Nzazi Budiongo, René Makuala Ngiyulu, Jean Lambert Gini-Ehungu
In the Democratic Republic of Congo, the incidence of sickle cell anemia (SCA) is estimated to affect 30,000 to 40,000 neonates per year. However, there is paucity of data on acute clinical manifestations in sickle cell children. In these circumstances, it is difficult to develop a health care policy for an adequate management of sickle cell patients. This was a seven years' retrospective study of children admitted with acute sickle cell crisis in the Department of Pediatrics in University Hospital of Kinshasa, Kinshasa, the Democratic Republic of Congo...
June 1, 2017: Hematology Reports
https://www.readbyqxmd.com/read/28625144/detection-of-poor-quality-artemisinin-based-combination-therapy-act-medicines-marketed-in-benin-using-simple-and-advanced-analytical-techniques
#11
Achille Yemoa, Védaste Habyalimana, Jérémie K Mbinze, Victoria Crickboom, Benjamin Muhigirwa, Agnès Ngoya, Pierre-Yves Sacré, Fernand Gbaguidi, Joëlle Quetin-Leclercq, Philippe Hubert, Roland D Marini
BACKGROUND: Poor quality antimalarial medicines still represent a threat to the public health, especially in Sub-Saharan Africa who bears a disproportionate share of the global burden of malaria. It is essential and urgent to strengthen mechanisms against counterfeit medicines. One of the approaches is regular market surveillance through quality controls. METHODS: 12 samples of artemether/lumefantrine were collected from formal and informal drug sellers in Cotonou (Benin) as well as additional other similar samples from Rwanda (13 samples) and from D...
June 15, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28623554/-obesity-high-blood-pressure-hypercholesterolaemia-and-untreated-diabetes-in-hiv-infected-and-hiv-uninfected-adults-in-mbuji-mayi-democratic-republic-of-congo
#12
D Mukeba-Tshialala, J B Nachega, M Mutombo-Tshingwali, V Arendt, G Gilson, M Moutschen
Little is known about the major cardiovascular risk factors in HIV-infected as compared to the HIV-uninfected patients in the Democratic Republic of Congo (DR Congo). We determined the prevalence of hypertension, obesity (BMI ≥ 30 kg/m(2)), total cholesterol > 200 mg/dl, HDL-cholesterol ≤ 40 mg/dl, and glycemia > 126 mg/dl. We also calculated the average and/or median of total cholesterol, HDL-cholesterol, and glycemia among HIV-infected and HIV-uninfected patients. We conducted a cross-sectional study that enrolled 592 HIV-uninfected and 445 HIV-infected patients of whom 425 (95...
June 16, 2017: Bulletin de la Société de Pathologie Exotique
https://www.readbyqxmd.com/read/28622726/efficient-covalent-modification-of-multiwalled-carbon-nanotubes-with-diazotized-dyes-in-water-at-room-temperature
#13
Asma Bensghaïer, Stephanie Lau-Truong, Mahamadou Seydou, Aazdine Lamouri, Eric Leroy, Matej Micusik, Klaudia Forro, Mohamed Beji, Jean Pinson, Maria Omastova, Mohamed Mehdi Chehimi
Tetrafluoroborate salts of diazotized Azure A (AA-N2+), Neutral Red (NR-N2+) and Congo Red (CR-N2+) dyes were prepared and reacted with multiwalled carbon nanotubes (MWCNTs) at room temperature, in water without any reducing agent. The as-modified MWCNTs were examined by IRATR, Raman spectroscopy, XPS, TGA, TEM and cyclic voltammetry. The diazonium band located at 2350 cm-1 in the diazotized dye IR spectra vanished after attachment to the nanotubes whilst Raman D/G peak ratio slightly increased after dye covalent attachment at high initial diazonium/CNT mass ratio...
June 16, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28622562/hierarchical-flower-like-nickel-ii-oxide-microspheres-with-high-adsorption-capacity-of-congo-red-in-water
#14
Yingqiu Zheng, Bicheng Zhu, Hua Chen, Wei You, Chuanjia Jiang, Jiaguo Yu
Monodispersed hierarchical flower-like nickel(II) oxide (NiO) microspheres were fabricated by a facile solvothermal reaction with the assistance of ethanolamine and a subsequent calcination process. The as-synthesized samples were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, nitrogen adsorption-desorption isotherms, zeta potential measurement and Fourier transform infrared spectroscopy. Flower-like nickel(II) hydroxide microspheres with uniform diameters of approximate 6...
June 13, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28617841/height-diameter-allometry-and-above-ground-biomass-in-tropical-montane-forests-insights-from-the-albertine-rift-in-africa
#15
Gérard Imani, Faustin Boyemba, Simon Lewis, Nsharwasi Léon Nabahungu, Kim Calders, Louis Zapfack, Bernard Riera, Clarisse Balegamire, Aida Cuni-Sanchez
Tropical montane forests provide an important natural laboratory to test ecological theory. While it is well-known that some aspects of forest structure change with altitude, little is known on the effects of altitude on above ground biomass (AGB), particularly with regard to changing height-diameter allometry. To address this we investigate (1) the effects of altitude on height-diameter allometry, (2) how different height-diameter allometric models affect above ground biomass estimates; and (3) how other forest structural, taxonomic and environmental attributes affect above ground biomass using 30 permanent sample plots (1-ha; all trees ≥ 10 cm diameter measured) established between 1250 and 2600 m asl in Kahuzi Biega National Park in eastern Democratic Republic of Congo...
2017: PloS One
https://www.readbyqxmd.com/read/28616786/laryngotracheal-involvement-in-systemic-light-chain-amyloidosis
#16
Daniel T Ginat, Jefree Schulte, Louis Portugal, Nicole A Cipriani
Laryngotracheal amyloid deposition is an uncommon manifestation of systemic light chain amyloidosis. Diagnostic imaging, such as CT, is useful for suggesting the possibility of amyloidosis and delineating the extent of the lesions for surgical management; however, the diagnosis is confirmed with the histologic finding of amorphous eosinophilic material which stains positively for Congo red and may show apple green birefringence on polarization. These features are exemplified in this sine qua non radiology-pathology correlation article...
June 14, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28611868/gastrointestinal-tract-amyloidosis-presenting-with-pneumatosis-intestinalis
#17
Vikram Raghunathan, David Louis, Baldeep Wirk
Pneumatosis intestinalis is a radiographic finding of gas pockets within the bowel wall. It can be associated with a range of diagnoses, but the most life-threatening causes are mesenteric ischemia, bowel necrosis, and bowel obstruction. Here we present the case of a patient with multiple myeloma who had pneumatosis intestinalis due to gastrointestinal amyloidosis, which is a rare manifestation of systemic amyloid disease. The patient had both transthyretin (ATTR) amyloidosis and acquired apolipoprotein serum amyloid A (AA) amyloidosis that are not usually seen in conjunction with multiple myeloma, which is most commonly associated with light-chain (AL) amyloidosis...
July 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28610626/social-accountability-in-primary-health-care-in-west-and-central-africa-exploring-the-role-of-health-facility-committees
#18
Elsbet Lodenstein, Eric Mafuta, Adolphe C Kpatchavi, Jean Servais, Marjolein Dieleman, Jacqueline E W Broerse, Alpha Amadou Bano Barry, Thérèse M N Mambu, Jurrien Toonen
BACKGROUND: Social accountability has been emphasised as an important strategy to increase the quality, equity, and responsiveness of health services. In many countries, health facility committees (HFCs) provide the accountability interface between health providers and citizens or users of health services. This article explores the social accountability practices facilitated by HFCs in Benin, Guinea and the Democratic Republic of Congo. METHODS: The paper is based on a cross-case comparison of 11 HFCs across the three countries...
June 13, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28610374/a-new-species-of-trachylepis-squamata-scincidae-from-central-africa-and-a-key-to-the-trachylepis-of-west-and-central-africa
#19
Kaitlin E Allen, Walter P Tapondjou N, Luke J Welton, Aaron M Bauer
A new species of skink, Trachylepis gonwouoi sp. nov. is described from Cameroon and the Republic of the Congo. It differs from all other species of Trachylepis in Central-West Africa by a combination of number of keels on dorsal scales (3-5); moderate SVL (maximum size of 80 mm); number of scale rows at midbody (28-34); number of supracilliaries (6-10); a well defined lateral white stripe, bordered by black, extending from under the eye to the insertion of the hind limb; and a ventral color in life of bright blue-green...
May 16, 2017: Zootaxa
https://www.readbyqxmd.com/read/28609940/synonymy-of-i-reikosiella-i-yoshimoto-under-i-merostenus-i-walker%C3%A2-hymenoptera-chalcidoidea-eupelmidae-with-a-checklist-of-world-species-and-a-revision-of-those-species-with-brachypterous-females
#20
Gary A P Gibson
Reikosiella Yoshimoto, 1969 is synonymized under Merostenus Walker, 1837 n. syn. and treated as M. (Reikosiella), one of four subgenera recognized in the genus. Hirticauda Bouček, 1988, previously treated as a subgenus of Reikosiella, is synonymized under M. (Merostenus) n. syn., and two subgenera established in Reikosiella by Gibson (1995) are synonymized under Merostenus and treated as the subgenera M. (Capreocauda) and M. (Incohata) n. syns. The new generic synonymy is proposed after morphological comparison of females and males of Merostenus and Reikosiella sensu Gibson (1995), including reanalysis of features possessed by a basal group of genera of Eupelminae whose females share two hypothesized symplesiomorphies-a medially divided mesotrochantinal plate and lack of a mesotibial apical groove...
April 21, 2017: Zootaxa
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