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Taenia solium

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https://www.readbyqxmd.com/read/29774294/seroprevalence-and-awareness-of-porcine-cysticercosis-across-different-pig-production-systems-in-south-central-cambodia
#1
Aderosoye Adenuga, Ana Mateus, Chhay Ty, Khieu Borin, Davun Holl, Sorn San, Victoria Duggan, Madeleine Clark, Gavin J D Smith, Richard Coker, Andrew Vaughn, James W Rudge
Background: Taeniasis/cysticercosis, caused by the pork tapeworm Taenia solium , represents an important public health and economic burden in endemic countries. However, there is a paucity of data on infection among pigs in many parts of Southeast Asia, particularly Cambodia. We aimed to estimate seroprevalence of porcine cysticercosis, and investigate husbandary practices and knowledge of the disease among livestock workers, across different pig sector units in south-central Cambodia...
February 2018: Parasite Epidemiology and Control
https://www.readbyqxmd.com/read/29746869/seroprevalence-of-taenia-solium-antibodies-in-a-cohort-of-bolivian-immigrants-in-italy
#2
Andrea Angheben, Dora Buonfrate, Lorenzo Zammarchi, Marianne Strohmeyer, Federico Gobbi, Monica Degani, Mariella Anselmi, Valentina Marchese, Alessandro Bartoloni, Zeno Bisoffi
We conducted a retrospective study aimed at estimating the seroprevalence of anti-cysticercus antibodies in a Bolivian community settled in Italy. Seroprevalence of 9% was found, testing 495 sera with immunoblot. This study contributes to outline the epidemiological scenario of cysticercosis in immigrants living in Europe.
May 7, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29744701/high-frequency-of-taenia-pisiformis-metacestodes-and-high-sex-associated-susceptibility-to-cysticercosis-in-naturally-infected-wild-rabbits
#3
R Domínguez-Roldan, M Pérez-Martínez, M F Rosetti, D Arias-Hernández, G Bernal-Fernández, F I Flores-Pérez, C Hallal-Calleros
Sexual dimorphism is a well-documented phenomenon observed at all levels of the animal kingdom, with the inclusion of both sexes in clinical trials and basic research becoming mandatory. Regarding parasitosis, in several animal species, the signs and virulence of the disease may change depending on the sex of the affected animal. In the cestodiasis caused by Taenia solium and Taenia crassiceps, females are more susceptible to experimental infection than males. Cysticercosis by Taenia pisiformis in rabbits has acquired relevance due to its economic impact, namely affecting welfare and production...
May 10, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29738570/prevalence-and-risk-factors-for-taenia-solium-cysticercosis-in-school-aged-children-a-school-based-study-in-western-sichuan-people-s-republic-of-china
#4
John J Openshaw, Alexis Medina, Stephen A Felt, Tiaoying Li, Zhou Huan, Scott Rozelle, Stephen P Luby
BACKGROUND: Taenia solium cysticercosis affects millions of impoverished people worldwide and can cause neurocysticercosis, an infection of the central nervous system which is potentially fatal. Children may represent an especially vulnerable population to neurocysticercosis, due to the risk of cognitive impairment during formative school years. While previous epidemiologic studies have suggested high prevalence in rural China, the prevalence in children as well as risk factors and impact of disease in low-resource areas remain poorly characterized...
May 8, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29710329/chronic-meningitis-investigated-via-metagenomic-next-generation-sequencing
#5
Michael R Wilson, Brian D O'Donovan, Jeffrey M Gelfand, Hannah A Sample, Felicia C Chow, John P Betjemann, Maulik P Shah, Megan B Richie, Mark P Gorman, Rula A Hajj-Ali, Leonard H Calabrese, Kelsey C Zorn, Eric D Chow, John E Greenlee, Jonathan H Blum, Gary Green, Lillian M Khan, Debarko Banerji, Charles Langelier, Chloe Bryson-Cahn, Whitney Harrington, Jairam R Lingappa, Niraj M Shanbhag, Ari J Green, Bruce J Brew, Ariane Soldatos, Luke Strnad, Sarah B Doernberg, Cheryl A Jay, Vanja Douglas, S Andrew Josephson, Joseph L DeRisi
Importance: Identifying infectious causes of subacute or chronic meningitis can be challenging. Enhanced, unbiased diagnostic approaches are needed. Objective: To present a case series of patients with diagnostically challenging subacute or chronic meningitis using metagenomic next-generation sequencing (mNGS) of cerebrospinal fluid (CSF) supported by a statistical framework generated from mNGS of control samples from the environment and from patients who were noninfectious...
April 16, 2018: JAMA Neurology
https://www.readbyqxmd.com/read/29692305/intraventricular-neurocysticercosis-experience-and-long-term-outcome-from-a-tertiary-referral-center-in-the-united-states
#6
Theodore E Nash, JeanAnne M Ware, Siddhartha Mahanty
Ventricular involvement in neurocysticercosis (NCC), a common serious manifestation of NCC, has distinct clinical presentations, complications, and treatments primarily because of partial or complete obstruction of the cerebrospinal fluid (CSF) flow by Taenia solium cysts. We review the clinical course, treatments, and long-term outcomes in 23 of 121 (19.0%) total NCC patients with ventricular cysts referred to the National Institutes of Health from 1985 to the October 2017. Patients had a median age of 31...
April 23, 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29684412/no-association-of-il2-il4-il6-tnf-and-ifng-gene-polymorphisms-was-found-with-taenia-solium-human-infection-or-neurocysticercosis-severity-in-a-family-based-study
#7
A Fleury, C Alaez, A Dessein, M Rosetti, B Saenz, M Hernández, R J Bobes, R Aquino, E Sciutto, C Gorodezky, G Fragoso
Neurocysticercosis (NC) is caused by the establishment of the metacestode stage of Taenia solium in the human central nervous system. A great heterogeneity in the susceptibility to the infection and to the disease has been reported. While the factors involved in this heterogeneity are not completely understood, clearly different immune-inflammatory profiles have been associated to each condition. This study evaluated the association of cytokine single nucleotide polymorphisms (SNPs) with susceptibility to infection and disease severity in NC patients...
April 20, 2018: Human Immunology
https://www.readbyqxmd.com/read/29682076/neurocysticercosis-in-japan
#8
Victor Kwasi, Kunihiko Kodama, Toshiya Uchiyama, Yoshikazu Kusano, Toshiyuki Shimizu, Kazuo Tokushige, Toshiki Takemae
Neurocysticercosis is a condition rarely reported in Japan, and therefore, the specific route of infestation in our set up has not been conclusively elucidated. Preoperative diagnosis remains difficult to make with certainty due to the slowly evolving nature of the disease and the fact that there are no typical characteristic clinical findings particularly associated with the disease. The hematological, serological, serum biochemistry, stool, and radiological tests were nonspecific for neurocysticercosis. The characteristic neuro-imaging findings were demonstrated in this case, and histopathology confirmed Taenia solium parenchymal infestation...
April 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29663901/barriers-to-participation-in-a-community-based-program-to-control-transmission-of-taenia-solium-in-peru
#9
Michelle Beam, Angela Spencer, Lauralee Fernandez, Ruth Atto, Claudio Muro, Percy Vilchez, Ricardo Gamboa, Sandra Olaya, Viterbo Ayvar, Armando E Gonzalez, Hector H Garcia, Seth E O'Neal, For The Cysticercosis Working Group In Peru
Infection of the brain with Taenia solium larvae (neurocysticercosis) is a leading cause of preventable epilepsy worldwide. Effective and sustainable strategies to control parasite transmission in rural endemic communities are needed to prevent the disease. Surveillance and targeted intervention around infected pigs (ring control strategy) have been shown to be effective when carried out by research teams. However, this strategy has not been implemented or tested as a community-based program. In this small trial in northern Peru, eight villages were randomly assigned to community-led surveillance and treatment (five villages, 997 residents) or control (three villages, 1,192 residents)...
April 16, 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29657009/molecular-and-biochemical-characterization-of-taenia-solium-%C3%AE-enolase
#10
Shaohua Zhang, Yanan You, Xuenong Luo, Yadong Zheng, Xuepeng Cai
Enolase (EC 4.2.1.11) acts as a multifunctional enzyme in many organisms, being involved in metabolism, transcription regulation and pathogenesis. In the current study, the recombinant α-enolase from Taenia solium (His-Tseno) was prepared and antiserum against His-Tseno was generated in rabbits. Consequently, we analyzed the enzymatic characteristics, plasminogen binding activity, tissue localization and expression patterns of Tseno. The study demonstrated that the enzymatic activity of His-Tseno was enhanced at pH around 7...
April 30, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29626435/experimental-porcine-cysticercosis-using-infected-beetles-with-taenia-solium-eggs
#11
Luis A Gomez-Puerta, Hector H Garcia, Armando E Gonzalez
Beetles are intermediate hosts for human and animal parasites, and several beetle species have been shown to carry Taenia eggs. An experimental porcine cysticercosis infection model was developed using beetles (Ammophorus rubripes) infected with Taenia solium eggs and then using these beetles for oral pig challenge. A total of 18 three months-old Landrace pigs were divided in four groups. Pigs from groups 1, 2, and 3 (n = 6 pigs per group) were challenged with one, three, and six beetles infected with T...
April 4, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29621234/clinical-cysticercosis-epidemiology-in-spain-based-on-the-hospital-discharge-database-what-s-new
#12
Zaida Herrador, Amalia Fernandez-Martinez, Agustín Benito, Rogelio Lopez-Velez
BACKGROUND: Cysticercosis (CC) is a tissue infection caused by the larval cysts of the pork tapeworm Taenia solium. It is usually acquired by eating contaminated food or drinking water. CC Cysts can develop in the muscles, the eyes, the brain, and/or the spinal cord. T. solium is found worldwide, but its prevalence has decreased in developed countries due to stricter meat inspection and better hygiene and sanitation. Nevertheless, CC is still a leading cause of seizures and epilepsy. In Spain, The disease is not nationally reportable and data on CC infected animals are also missing, despite the European Directive 2003/99/EC...
April 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29582729/detection-of-immunoglobulin-g-antibodies-to-taenia-solium-cysticercosis-antigen-glutathione-s-transferase-rt24h-in-malian-children-using-multiplex-bead-assay
#13
Delynn M Moss, Sukwan Handali, Anna N Chard, Victoria Trinies, Stevan Bullard, Ryan E Wiegand, Seydou Doumbia, Matthew C Freeman, Patrick J Lammie
Blood samples from 805 students attending 42 elementary schools in Mopti, Sikasso, and Koulikoro regions, and Bamako district in Mali participated in a school water, sanitation, and hygiene intervention. Immunoglobulin (Ig) G responses to several antigens/pathogens were assessed by a multiplex bead assay (MBA), and the recombinant Taenia solium T24H antigen was included. Of all students tested, 8.0% were positive to rT24H, but in some schools 25-30%. A cluster of 12 widespread school locations showed not only a relative risk of 3...
March 26, 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29536721/-current-status-and-research-progress-of-cysticercosis
#14
Li Huan-Zhang, Zang Xin-Zhong, Qian Men-Bao, Xue Jing-Bo, Zhou Chang-Hai, Chen Ying-Dan, Tian Tian, Cao Chun-Li, Li Shi-Zhu
Cysticercosis refers to a parasitic infection caused by the larvae of pork tapeworm Taenia solium . It is a parasitic zoonosis and listed by the World Health Organization (WHO) as one of the neglected tropical diseases. Cysticercosis is spreading all over the world through globalization and it mainly epidemic in developing countries. In the southwest and minority nationality areas of China, as a result of the low level of medical and health care, and the unchangeable diet custom, there are still many cases of cysticercosis, which is manifested as a local high prevalence...
February 27, 2018: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
https://www.readbyqxmd.com/read/29534702/assessment-of-the-societal-cost-of-taenia-solium-in-ang%C3%A3-nia-district-mozambique
#15
Chiara Trevisan, Brecht Devleesschauwer, Nicolas Praet, Alberto Pondja, Yunus Amade Assane, Pierre Dorny, Stig Milan Thamsborg, Pascal Magnussen, Maria Vang Johansen
BACKGROUND: The zoonotic parasite Taenia solium is endemic in Angónia district, Tete province, Mozambique, though the burden of the disease complex is unknown. METHODS: As part of two cross-sectional studies on human and porcine cysticercosis in the area, unique epidemiological and cost data were collected in Angónia district, Mozambique in 2007. These data provided the basis for the assessment of the societal cost of T. solium in the district, which estimates the impact of the disease on human and pig populations and includes both health and economic approaches in the analysis...
March 13, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29530423/effectiveness-of-a-community-based-educational-programme-in-reducing-the-cumulative-incidence-and-prevalence-of-human-taenia-solium-cysticercosis-in-burkina-faso-in-2011-14-efecab-a-cluster-randomised-controlled-trial
#16
Hélène Carabin, Athanase Millogo, Helena A Ngowi, Cici Bauer, Veronique Dermauw, Assana Cissé Koné, Ida Sahlu, Alicia L Salvator, Pierre-Marie Preux, Télesphore Somé, Zékiba Tarnagda, Sarah Gabriël, Rabiou Cissé, Jean-Bosco Ouédraogo, Linda D Cowan, Marie-Paule Boncoeur-Martel, Pierre Dorny, Rasmané Ganaba
BACKGROUND: The effectiveness of drug-free interventions in controlling human cysticercosis is not well known. We aimed to estimate the effectiveness of a community-based educational intervention in reducing the frequency of human cysticercosis in Burkina Faso. METHODS: We did a cluster-randomised controlled trial between 2011 and 2014. 60 eligible villages from three provinces (Boulkiemdé, Sanguié, and Nayala) were randomly allocated to the intervention or control group...
April 2018: Lancet Global Health
https://www.readbyqxmd.com/read/29523160/a-novel-progesterone-receptor-membrane-component-pgrmc-in-the-human-and-swine-parasite-taenia-solium-implications-to-the-host-parasite-relationship
#17
Hugo Aguilar-Díaz, Karen E Nava-Castro, Galileo Escobedo, Lenin Domínguez-Ramírez, Martín García-Varela, Víctor H Del Río-Araiza, Margarita I Palacios-Arreola, Jorge Morales-Montor
BACKGROUND: We have previously reported that progesterone (P4 ) has a direct in vitro effect on the scolex evagination and growth of Taenia solium cysticerci. Here, we explored the hypothesis that the P4 direct effect on T. solium might be mediated by a novel steroid-binding parasite protein. METHODS: By way of using immunofluorescent confocal microscopy, flow cytometry analysis, double-dimension electrophoresis analysis, and sequencing the corresponding protein spot, we detected a novel PGRMC in T...
March 9, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29510783/prioritisation-of-food-borne-parasites-in-europe-2016
#18
Martijn Bouwknegt, Brecht Devleesschauwer, Heather Graham, Lucy J Robertson, Joke Wb van der Giessen, The Euro-Fbp Workshop Participants
Background and aimsPriority setting is a challenging task for public health professionals. To support health professionals with this and in following a recommendation from the Food and Agriculture Organization of the United Nations (FAO) and World Health Organization (WHO), 35 European parasitologists attended a workshop from 8-12 February 2016 to rank food-borne parasites (FBP) in terms of their importance for Europe and regions within Europe. Methods: Countries were divided into European regions according to those used by the European Society of Clinical Microbiology and Infectious Diseases...
March 2018: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/29510659/next-generation-sequencing-based-pathogen-analysis-in-a-patient-with-neurocysticercosis-a-case-report
#19
Ping Liu, Xing Weng, Jiajia Zhou, Xiaolin Xu, Fangping He, Yue Du, Honglong Wu, Yanping Gong, Guoping Peng
BACKGROUND: Accurate and early diagnosis of neurocysticercosis (NCC) remains a challenge due to the heterogeneity of its clinical, immunological and imaging characteristics. The presence of cysticercus DNA in cerebrospinal fluid (CSF) of NCC patients has been previously detected via conventional PCR assays. To the best of our knowledge, the use of CSF Next-Generation Sequencing (NGS) based pathogen analysis in patients with NCC infection has never been reported. CASE PRESENTATION: This study reports the clinical, imaging, and immunological features of a patient initially presenting with several months of headache who further developed a pure sensory stroke...
March 6, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29486767/hdp2-a-ribosomal-dna-nts-ets-sequence-as-a-target-for-species-specific-molecular-diagnosis-of-intestinal-taeniasis-in-humans
#20
María D Flores, Luis M Gonzalez, Carolina Hurtado, Yamileth Monje Motta, Cristina Domínguez-Hidalgo, Francisco Jesús Merino, María J Perteguer, Teresa Gárate
BACKGROUND: Taenia solium, T. asiatica and T. saginata tapeworms cause human taeniasis and are the origin of porcine and bovine cysticercosis. Furthermore, T. solium eggs can cause human cysticercosis, with neurocysticercosis being the most serious form of the disease. These helminth infections are neglected tropical diseases and are endemic in several countries in the Americas, Asia and Africa. As a result of globalization, migration in particular, the infections have been extending to non-endemic territories...
February 27, 2018: Parasites & Vectors
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