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Taenia solium

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https://www.readbyqxmd.com/read/28221900/mental-health-disorders-associated-with-foodborne-pathogens
#1
Declan J Bolton, Lucy J Robertson
Human infections with foodborne pathogenic organisms are relatively well described in terms of their overt physical symptoms, such as diarrhea, abdominal cramps, vomiting, fever, and associated sequelae. Indeed, some of these are key for diagnosis and treatment, although it should be noted that, for some foodborne pathogens, the physical symptoms might be more diffuse, particularly those associated with some of the foodborne parasites. In contrast, the impact of these pathogens on mental health is less well described, and symptoms such as depression, anxiety, and general malaise are usually ignored when foodborne infections are recorded...
November 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28215871/disease-behaviours-of-sows-naturally-infected-with-taenia-solium-in-tanzania
#2
Chiara Trevisan, Maria Vang Johansen, Ernatus Martin Mkupasi, Helena Aminel Ngowi, Björn Forkman
Neurocysticercosis (NCC) is a disease caused by the zoonotic parasite Taenia solium lodging in the central nervous system. Both humans and pigs can get NCC. The impact of the disease in pigs has so far been little explored. The aim of this study was to describe the effect of NCC on social and feeding behaviours as well as the pattern of activity as indicators of reduced welfare in naturally infected sows. In total 13 T. solium naturally infected and 15 non-infected control sows were videotaped for 2 consecutive weeks using close circuit television cameras at research facilities at Sokoine University of Agriculture, Morogoro, Tanzania...
February 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28212398/modelling-the-risk-of-taenia-solium-exposure-from-pork-produced-in-western-kenya
#3
Lian F Thomas, William A de Glanville, Elizabeth A J Cook, Barend M De C Bronsvoort, Ian Handel, Claire N Wamae, Samuel Kariuki, Eric M Fèvre
The tapeworm Taenia solium is the parasite responsible for neurocysticercosis, a neglected tropical disease of public health importance, thought to cause approximately 1/3 of epilepsy cases across endemic regions. The consumption of undercooked infected pork perpetuates the parasite's life-cycle through the establishment of adult tapeworm infections in the community. Reducing the risk associated with pork consumption in the developing world is therefore a public health priority. The aim of this study was to estimate the risk of any one pork meal in western Kenya containing a potentially infective T...
February 17, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28194565/transgenic-papaya-a-useful-platform-for-oral-vaccines
#4
Gladis Fragoso, Marisela Hernández, Jacquelynne Cervantes-Torres, Rubén Ramírez-Aquino, Héctor Chapula, Nelly Villalobos, René Segura-Velázquez, Alfredo Figueroa, Iván Flores, Herminio Jiménez, Laura Adalid, Gabriela Rosas, Luis Galvez, Elias Pezzat, Elizabeth Monreal-Escalante, Sergio Rosales-Mendoza, Luis G Vazquez, Edda Sciutto
Transgenic papaya callus lines expressing the components of the S3Pvac vaccine constitute a stable platform to produce an oral vaccine against cysticercosis caused by Taenia solium or T. crassiceps. The development of effective delivery systems to cope with the reduced immunogenicity of new subunit vaccines is a priority in vaccinology. Herein, experimental evidence supporting a papaya-based platform to produce needle-free, recombinant, highly immunogenic vaccines is shown. Papaya (Carica papaya) callus lines were previously engineered by particle bombardment to express the three protective peptides of the S3Pvac anti-cysticercosis vaccine (KETc7, KETc12, KETc1)...
February 13, 2017: Planta
https://www.readbyqxmd.com/read/28183336/assessing-the-impact-of-intervention-strategies-against-taenia-solium-cysticercosis-using-the-epicyst-transmission-model
#5
Peter Winskill, Wendy E Harrison, Michael D French, Matthew A Dixon, Bernadette Abela-Ridder, María-Gloria Basáñez
BACKGROUND: The pork tapeworm, Taenia solium, and associated human infections, taeniasis, cysticercosis and neurocysticercosis, are serious public health problems, especially in developing countries. The World Health Organization (WHO) has set goals for having a validated strategy for control and elimination of T. solium taeniasis/cysticercosis by 2015 and interventions scaled-up in selected countries by 2020. Timely achievement of these internationally-endorsed targets requires that the relative benefits and effectiveness of potential interventions be explored rigorously within a quantitative framework...
February 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28139530/neurocysticercosis-diagnostic-problems-current-therapeutic-strategies
#6
REVIEW
Vedantam Rajshekhar
Neurocysticercosis (NCC) is the most common single cause of seizures/epilepsy in India and several other endemic countries throughout the world. It is also the most common parasitic disease of the brain caused by the cestode Taenia solium or pork tapeworm. The diagnosis of NCC and the tapeworm carrier (taeniasis) can be relatively inaccessible and expensive for most of the patients. In spite of the introduction of several new immunological tests, neuroimaging remains the main diagnostic test for NCC. The treatment of NCC is also mired in controversy although, there is emerging evidence that albendazole (a cysticidal drug) may be beneficial for patients by reducing the number of seizures and hastening the resolution of live cysts...
September 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28121503/taenia-solium
#7
Cyriac A Philips, Amrish Sahney
A 48-year-old man presented with a 2-month history of abdominal discomfort and lethargy. Physical examination revealed pallor, and results from laboratory studies showed mild anemia (hemoglobin level, 9.2 g per deciliter [normal, 12 to 15 g per deciliter]). Colonoscopy revealed a proglottid from a..
January 26, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28077749/survey-of-obstetrician-gynecologists-in-the-united-states-about-taeniasis-and-cysticercosis
#8
Rebecca L Hall, Britta Anderson, Jay Schulkin, Paul T Cantey, Susan P Montgomery, Jeffrey L Jones
An estimated 50 million persons worldwide are infected with cysticerci, the larval forms of the Taenia solium tapeworm. Neurocysticercosis can cause seizures, epilepsy, and hydrocephalus, and fatal cases have been reported in the United States in immigrants and in travelers returning from endemic countries. Pregnant women with symptomatic neurocysticercosis present treatment challenges, whereas those with the adult tapeworm infection (i.e., taeniasis) can put their infants and other family members, as well as obstetrician-gynecologists and their staff, at risk for cysticercosis...
January 11, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28056028/assessing-ultrasonography-as-a-diagnostic-tool-for-porcine-cysticercosis
#9
Robert H Flecker, Ian W Pray, Saul J Santivaňez, Viterbo Ayvar, Ricardo Gamboa, Claudio Muro, Luz Maria Moyano, Victor Benavides, Hector H Garcia, Seth E O'Neal
BACKGROUND: Taenia solium inflicts substantial neurologic disease and economic losses on rural communities in many developing nations. "Ring-strategy" is a control intervention that targets treatment of humans and pigs among clusters of households (rings) that surround pigs heavily infected with cysticerci. These pigs are typically identified by examining the animal's tongue for cysts. However, as prevalence decreases in intervened communities, more sensitive methods may be needed to identify these animals and to maintain control pressure...
January 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28049444/risk-factors-perceptions-and-practices-associated-with-taenia-solium-cysticercosis-and-its-control-in-the-smallholder-pig-production-systems-in-uganda-a-cross-sectional-survey
#10
Joseph M Kungu, Michel M Dione, Francis Ejobi, Michael Ocaido, Delia Grace
BACKGROUND: Prevalence studies report Taenia solium cysticercosis in pig and human populations in Uganda. However, the factors influencing occurrence in smallholder pig production systems are not well documented and little is known about farmers' perceptions of T. solium cysticercosis or farmer practices that could reduce transmission. METHODS: To determine the risk factors, perceptions and practices regarding T. solium cysticercosis, a household survey using a semi-structured questionnaire was conducted in 1185 households in the rural and urban pig production systems in Masaka, Mukono and Kamuli Districts...
January 3, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28013026/nonsubsampled-rotated-complex-wavelet-transform-nsrcxwt-for-medical-image-fusion-related-to-clinical-aspects-in-neurocysticercosis
#11
Satishkumar S Chavan, Abhishek Mahajan, Sanjay N Talbar, Subhash Desai, Meenakshi Thakur, Anil D'cruz
Neurocysticercosis (NCC) is a parasite infection caused by the tapeworm Taenia solium in its larvae stage which affects the central nervous system of the human body (a definite host). It results in the formation of multiple lesions in the brain at different locations during its various stages. During diagnosis of such symptomatic patients, these lesions can be better visualized using a feature based fusion of Computed Tomography (CT) and Magnetic Resonance Imaging (MRI). This paper presents a novel approach to Multimodality Medical Image Fusion (MMIF) used for the analysis of the lesions for the diagnostic purpose and post treatment review of NCC...
February 1, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28012796/antigenic-fractions-from-taenia-crassiceps-metacestodes-obtained-by-hydrophobicity-for-the-immunodiagnosis-of-active-and-inactive-forms-of-neurocysticercosis-in-human-cerebrospinal-fluid-samples
#12
Gabriela B da Silva, Daniela S Nunes, José Eduardo N de Sousa, Maria do R F Gonçalves-Pires, Marcelo A Levenhagen, Julia M Costa-Cruz
This study aimed to evaluate the total extract of Taenia crassiceps metacestodes (TC) and its antigenic fractions obtained by Triton X-114 fractionation techniques, such as detergent (DC) and aqueous (AC), in the immunodiagnosis of human neurocysticercosis (NCC). Cerebrospinal fluid samples were divided into two groups: Group 1 (n=40), which was further divided into active (n=20) and inactive (n=20) NCC, and Group 2 (control group), which comprised 39 CSF samples from patients who had another neurological disorder, were suffering from other infectious diseases of the brain or had other parasitic infections...
April 2017: Parasitology International
https://www.readbyqxmd.com/read/27992429/high-prevalence-of-asymptomatic-neurocysticercosis-in-an-endemic-rural-community-in-peru
#13
Luz M Moyano, Seth E O'Neal, Viterbo Ayvar, Guillermo Gonzalvez, Ricardo Gamboa, Percy Vilchez, Silvia Rodriguez, Joe Reistetter, Victor C W Tsang, Robert H Gilman, Armando E Gonzalez, Hector H Garcia
BACKGROUND: Neurocysticercosis is a common helminthic infection of the central nervous system and an important cause of adult-onset epilepsy in endemic countries. However, few studies have examined associations between neurologic symptoms, serology and radiographic findings on a community-level. METHODOLOGY: We conducted a population-based study of resident's ≥2 years old in a highly endemic village in Peru (pop. 454). We applied a 14 -question neurologic screening tool and evaluated serum for antibodies against Taenia solium cysticercosis using enzyme-linked immunoelectrotransfer blot (LLGP-EITB)...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27984581/cystisim-an-agent-based-model-for-taenia-solium-transmission-and-control
#14
Uffe Christian Braae, Brecht Devleesschauwer, Sarah Gabriël, Pierre Dorny, Niko Speybroeck, Pascal Magnussen, Paul Torgerson, Maria Vang Johansen
Taenia solium taeniosis/cysticercosis was declared eradicable by the International Task Force for Disease Eradication in 1993, but remains a neglected zoonosis. To assist in the attempt to regionally eliminate this parasite, we developed cystiSim, an agent-based model for T. solium transmission and control. The model was developed in R and available as an R package (http://cran.r-project.org/package=cystiSim). cystiSim was adapted to an observed setting using field data from Tanzania, but adaptable to other settings if necessary...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27966846/taenia-solium-who-endemicity-map-update
#15
M Donadeu, M W Lightowlers, A S Fahrion, J Kessels, B Abela-Ridder
No abstract text is available yet for this article.
9, 2016: Relevé épidémiologique Hebdomadaire
https://www.readbyqxmd.com/read/27935920/it-s-even-here-two-rare-cases-of-pyriformis-myocysticercus
#16
M Prakash, P Gupta, A Gulati, N Khandelwal
Cysticercus, the larval form of Taenia Solium, a tapeworm, can infest various tissues in the human body. Though central nervous system involvement is the most dramatic form of infestation, several other uncommon sites of has been reported in the literature. One such involvement is that of the musculature. The most easily recalled manifestation of myocysticercus is that in the orbit where the patients present with painful proptosis. However, other less common muscular sites of involvement are documented in case reports...
July 2016: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/27913109/protein-profiles-of-taenia-solium-cysts-obtained-from-skeletal-muscles-and-the-central-nervous-system-of-pigs-search-for-tissue-specific-proteins
#17
José Navarrete-Perea, Bárbara Moguel, Raúl José Bobes, Nelly Villalobos, Julio César Carrero, Edda Sciutto, Xavier Soberón, Juan Pedro Laclette
Taeniasis/cysticercosis caused by the tapeworm Taenia solium is a parasite disease transmitted among humans and pigs, the main intermediate host. The larvae/cysts can lodge in several tissues of the pig, i.e. skeletal muscles and different locations of the central nervous system. The molecular mechanisms associated to tissue preferences of the cysts remain poorly understood. The major public health concern about this zoonosis is due to the human infections by the larval form in the central nervous system, causing a highly pleomorphic and debilitating disease known as neurocysticercosis...
January 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/27903304/association-between-taenia-solium-infection-and-hiv-aids-in-northern-tanzania-a-matched-cross-sectional-study
#18
Veronika Schmidt, Christian Kositz, Karl-Heinz Herbinger, Hélène Carabin, Bernard Ngowi, Ezra Naman, Patricia P Wilkins, John Noh, William Matuja, Andrea Sylvia Winkler
BACKGROUND: The frequency of Taenia solium, a zoonotic helminth, is increasing in many countries of sub-Saharan Africa, where the prevalence of the human immunodeficiency virus (HIV) is also high. However, little is known about how these two infections interact. The aim of this study was to compare the proportion of HIV positive (+) and negative (-) individuals who are infected with Taenia solium (TSOL) and who present with clinical and neurological manifestations of cysticercosis (CC)...
December 1, 2016: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/27887694/reprint-of-assessing-the-impact-of-a-joint-human-porcine-intervention-package-for-taenia-solium-control-results-of-a-pilot-study-from-northern-lao-pdr
#19
Anna L Okello, Lian Thomas, Phouth Inthavong, Amanda Ash, Boualam Khamlome, Chattouphone Keokamphet, Kim Newberry, Charles G Gauci, Sarah Gabriël, Pierre Dorny, Rc Andrew Thompson, Marshall W Lightowlers, John Allen
Following confirmation that a remote village of approximately 300 inhabitants in northern Lao PDR was hyperendemic for the Neglected Tropical Disease Taenia solium, a pilot human-porcine therapeutic control intervention was implemented between October 2013 and November 2014. Mass drug administration with a three day albendazole 400mg protocol was offered to all eligible humans in October 2013 and March 2014. At these times, and again in October 2014, eligible village pigs received the anti-cysticercosis TSOL18 vaccination and an oral dose of oxfendazole anthelmintic at 30mg/kg, both repeated one month later...
January 2017: Acta Tropica
https://www.readbyqxmd.com/read/27884445/taenia-hydatigena-in-pigs-in-burkina-faso-a-cross-sectional-abattoir-study
#20
Veronique Dermauw, Rasmané Ganaba, Assana Cissé, Boubacar Ouedraogo, Athanase Millogo, Zékiba Tarnagda, Anke Van Hul, Sarah Gabriël, Hélène Carabin, Pierre Dorny
Taenia hydatigena is a non-zoonotic cestode that has canines as definitive hosts and ruminants and pigs as intermediate hosts. In pigs, its presence causes cross-reactivity in serological testing for Taenia solium cysticercosis. Therefore, knowledge on the occurrence of T. hydatigena is paramount for validly estimating the seroprevalence of T. solium cysticercosis in pigs. In a cross-sectional abattoir study, we estimated the prevalence of T. hydatigena in pigs slaughtered in Koudougou, Burkina Faso. Carcasses of 452 pigs were examined by investigators for perceived and suspected T...
October 30, 2016: Veterinary Parasitology
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