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Taenia solium

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
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
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
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
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
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
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
Ni Bi-Xian, Xu Xiang-Zhen, Wang Xiao-Ting, Sheng Ming-Xue, Dai Yang, Jin Xiao-Lin
OBJECTIVE: To evaluate the effect of the prevention and control technique training of human important parasitic diseases for basic professional and technical personnel in Jiangsu Province in 2017. METHODS: A workshop including theory courses and practical operations was carried out for the basic professional and technical personnel. At the end of the workshop, the effects were evaluated through the theoretical and microscopic examinations. RESULTS: There were 132 trainees from 13 cities, and all of them took part in the final examinations...
July 24, 2017: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
Chen Chuang, Chen Xing-Wang, Deng Jian-Zhong, Li Tiao-Ying
OBJECTIVE: To evaluate the ELISA kit for detection of IgG antibodies against Taenia solium cysticercus in humans, so as to provide a reference for its application in clinical practice. METHODS: The sera collected from the patients with neurocysticercosis, echinococcosis, taeniasis and healthy people, respectively, were checked by ELISA for specific IgG antibodies against T. solium cysticercus, as described in the instruction of the kit. RESULTS: Of the 30 patients with neurocysticercosis at active stage, 28 showed seropositive reaction, indicating a sensitivity of 93...
March 13, 2017: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
Dolores A Ayón-Núñez, Gladis Fragoso, Clara Espitia, Martín García-Varela, Xavier Soberón, Gabriela Rosas, Juan P Laclette, Raúl J Bobes
The larval stage of Taenia solium (cysticerci) is the causal agent of human and swine cysticercosis. When ingested by the host, T. solium eggs are activated and hatch in the intestine, releasing oncospheres that migrate to various tissues and evolve into cysticerci. Plasminogen (Plg) receptor proteins have been reported to play a role in migration processes for several pathogens. This work is aimed to identify Plg-binding proteins in T. solium cysticerci and determine whether T. solium recombinant enolase (rTsEnoA) is capable of specifically binding and activating human Plg...
February 18, 2018: Acta Tropica
Kaliny Xavier da Guarda, Julia Maria Costa Cruz, Ivanildes Solange da Costa Barcelos
The Taenia solium cysticercosis affects millions of people worldwide and is considered a public health problem, especially in developing countries. The diagnosis of neurocysticercosis (NCC) is complex and involves the analysis of epidemiological, clinical, neuroimaging, and immunological host data. NCC is endemic in Brazil, and is related to the cause of death mainly in the Southeast, South, and Central-West regions. The objective of this study was to determine the seroprevalence of cysticercosis in inhabitants of the city of Jataí, Goiás, in the Central-West region of Brazil from April to August 2012...
February 9, 2018: Brazilian Journal of Infectious Diseases
Emma C Hobbs, Kabemba E Mwape, Brecht Devleesschauwer, Sarah Gabriël, Mwelwa Chembensofu, Moses Mambwe, Isaac K Phiri, Maxwell Masuku, Gideon Zulu, Angela Colston, Arve Lee Willingham, Dirk Berkvens, Pierre Dorny, Emmanuel Bottieau, Niko Speybroeck
The tapeworm Taenia solium is endemic in Zambia, however its socioeconomic cost is unknown. During a large-scale interventional study conducted in Zambia, baseline economic costs of human and porcine T. solium infections were measured. Questionnaire surveys were conducted within three neighbourhoods in Zambia's Eastern province in 2015 and 2016. A human health questionnaire, capturing costs of clinical symptoms commonly attributable to human cysticercosis and taeniasis, was conducted in randomly selected households (n = 267)...
February 15, 2018: Veterinary Parasitology
Marcello Otake Sato, Megumi Sato, Tetsuya Yanagida, Jitra Waikagul, Tiengkham Pongvongsa, Yasuhito Sako, Surapol Sanguankiat, Tipparayat Yoonuan, Sengchanh Kounnavang, Satoru Kawai, Akira Ito, Munehiro Okamoto, Kazuhiko Moji
Most part of Southeast Asia is considered endemic for human-infecting Taenia tapeworms; Taenia solium, T. saginata, and T. asiatica. However, until now there was no report of the occurrence of human cases of T. asiatica in Lao PDR. This study, conducted in Savannakhet Province, Lao PDR, microscopically examined a total of 470 fecal samples by Kato Katz method and found 86% of people harboring at least one helminth. Hookworms were detected in 56% of the samples besides Opisthorchis like eggs (42%), Trichuris trichiura (27%), Ascaris spp...
February 8, 2018: PLoS Neglected Tropical Diseases
Priyanko Chakraborty, Rakhi Kumari, Rajiv-Kumar Jain, Vikash Prasad, Sidharth Pradhan, Purnima Joshi
Introduction: Cysticercosis is a disease which is caused by the infestation of the larvae Taenia solium, with humans acting as an intermediate host instead of a definitive host. Head and neck involvement including maxillofacial and oral involvement of cysticercosis is quite rare. Case Report: We report a series of rare cases of cysticercosis of the head and neck region encountered in a tertiary hospital in Northern India with a brief review of literature and its diagnosis and management...
November 2017: Iranian Journal of Otorhinolaryngology
Andrew P Norgan, Bobbi S Pritt
A variety of arthropods, protozoa, and helminths infect the skin and subcutaneous tissues and may be identified by anatomic pathologists in standard cytology and histology preparations. The specific organisms seen vary greatly with the patient's exposure history, including travel to or residence in endemic countries. Arthropods are the most commonly encountered parasites in the skin and subcutaneous tissues and include Sarcoptes scabei, Demodex species, Tunga penetrans, and myiasis-causing fly larvae. Protozoal parasites such as Leishmania may also be common in some settings...
March 2018: Advances in Anatomic Pathology
Türkan Aydın Teke, Ayşe Kaman, Zeynep Gökçe Gayretli Aydın, Sema Apaydın, Çiğdem Genç Sel, Erkut Baha Bulduk, Saliha Kanık Yüksek, Kader Karlı Oğuz, Gönül Tanır
Neurocysticercosis is a parasitic infection of the central nervous system caused by the larval stage of Taenia solium. Although this zoonotic infection is one of the major public health problems in some developing countries, it is extremely rare in Turkey. In this article, we present the case of a pediatric patient with neurocysticercosis who was misdiagnosed with brain abscess because of focal seizures in another hospital.
December 2017: Türkiye Parazitolojii Dergisi
Emma C Hobbs, Kabemba Evans Mwape, Inge Van Damme, Dirk Berkvens, Gideon Zulu, Moses Mambwe, Mwelwa Chembensofu, Isaac Khozozo Phiri, Maxwell Masuku, Emmanuel Bottieau, Brecht Devleesschauwer, Niko Speybroeck, Angela Colston, Pierre Dorny, Arve Lee Willingham, Sarah Gabriël
OBJECTIVE: The zoonotic helminth Taenia solium is endemic in Zambia, causing human (taeniasis and (neuro)cysticercosis) and pig (porcine cysticercosis) diseases with high health, social and economic burdens. We aimed to evaluate the impact of a health educational program intended to lead to powerful and cumulative improvements in knowledge, attitudes and practices that decrease parasite transmission and disease occurrence. METHODS: Half-day health education workshops were conducted in three primary schools in the highly endemic Eastern Province of Zambia, using the computer-based T...
January 4, 2018: Tropical Medicine & International Health: TM & IH
Mónica J Pajuelo, María Eguiluz, Elisa Roncal, Stefany Quiñones-García, Steven J Clipman, Juan Calcina, Cesar M Gavidia, Patricia Sheen, Hector H Garcia, Robert H Gilman, Armando E Gonzalez, Mirko Zimic
The adult Taenia solium, the pork tapeworm, usually lives as a single worm in the small intestine of humans, its only known definitive host. Mechanisms of genetic variation in T. solium are poorly understood. Using three microsatellite markers previously reported [1], this study explored the genetic variability of T. solium from cysts recovered from experimentally infected pigs. It then explored the genetic epidemiology and transmission in naturally infected pigs and adult tapeworms recovered from human carriers from an endemic rural community in Peru...
December 2017: PLoS Neglected Tropical Diseases
Oscar H Del Brutto, Seth E O'Neal, Pierre Dorny, Héctor H García
Taenia solium cysticercosis is difficult to eliminate without interventions or societal development. Atahualpa is a rural Ecuadorian village with documented low migration rate, where domestic pig raising is common and human cysticercosis is endemic. To assess neurocysticercosis (NCC) prevalence, 1,273 villagers aged ≥ 20 years underwent neuroimaging studies, which showed calcified lesions in 121 (9.5%) individuals, but no active disease. Likewise, positive reactions, apparently nonspecific, were found in only 3/200 subjects by the use of a monoclonal antibody-based enzyme-linked immunosorbent assay to detect T...
December 18, 2017: American Journal of Tropical Medicine and Hygiene
Elisabeth Dorbek-Kolin, Tuuli Åhlberg, Lea Tummeleht, Dennis Tappe, Maria Vang Johansen, Brian Lassen
Taenia solium has been ranked as the most important foodborne parasite and Taenia saginata as the most commonly found human Taenia tapeworm worldwide. The last official reports of taeniosis from Estonia were in 2003 for T. solium and 2012 for T. saginata. By law, all animal cases of cysticercosis must be registered and reported when found. Our aim was to estimate the prevalence of cysticercosis in Estonia caused by T. solium in pigs and T. saginata in cattle. The four slaughterhouses participating in the study slaughter between them approximately 80% of pigs and cattle in Estonia annually...
February 2018: Parasitology Research
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