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https://www.readbyqxmd.com/read/28728879/identification-of-universal-diagnostic-peptide-candidates-for-neglected-tropical-diseases-caused-by-cestodes-through-the-integration-of-multi-genome-wide-analyses-and-immunoinformatic-predictions
#1
Sebastián Miles, Marco Navatta, Sylvia Dematteis, Gustavo Mourglia-Ettlin
Neglected tropical diseases caused by helminth infections currently affect millions of people worldwide. Among them, there are three tapeworm species of outstanding importance: Echinococcus granulosus, E. multilocularis, and Taenia solium, which are responsible for cystic echinococcosis, alveolar echinococcosis, and cysticercosis, respectively. Despite several attempts, there is still a need for an effective and low-cost serological diagnostic test that can be used in endemic countries. In the present work, we described an innovative bioinformatic workflow for a rational prediction of putative peptide candidates for one-step serological diagnosis of any of these infections...
July 17, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28728830/the-echinococcoses-in-asia-the-present-situation
#2
REVIEW
Akira Ito, Christine M Budke
Human alveolar and cystic echinococcosis, caused by the accidental ingestion of eggs of the tapeworms Echinococcus multilocularis and Echinococcus granulosus sensu lato, respectively, are endemic in Asia. Various Echinococcus species are maintained in domesticated and/or wild mammals through predator-prey interactions. Molecular analysis is used to help differentiate infecting parasite species and genotypes, with the goal of better understanding parasite life cycles in order to aid in the planning and implementation of control programs...
July 17, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28725269/musculoskeletal-echinococcus-infection-as-a-rare-first-presentation-of-hydatid-disease-case-report
#3
A Marzouki, A Naam, S Abdulrazak, B Soumaré, K Lahrach, F Boutayeb
BACKGROUND: Hydatid disease (HD) is a cosmopolitan parasitosis caused by Echinococcus granulosus that can potentially affect any part of the human body. Liver and lungs are the most frequent localizations. Primary musculoskeletal hydatidosis are seldom reported in literature and their incidence is unknown. CASE PRESENTATION: We deem interesting to report a case of a primary hydatid cyst in a 25-year-old patient who presented with a painful swelling of the right elbow...
2017: Patient Safety in Surgery
https://www.readbyqxmd.com/read/28722634/cystic-echinococcosis-in-turkana-kenya-the-role-of-cross-sectional-screening-surveys-in-assessing-the-prevalence-of-human-infection
#4
Nadia Solomon, Eberhard Zeyhle, Jane Carter, John Wachira, Asrat Mengiste, Thomas Romig, Paul J Fields, Calum N L Macpherson
Cystic echinococcosis (CE) is a neglected zoonotic disease caused by Echinococcus granulosus. Infection leads to formation of cysts within the viscera of the human host. In the 1980s, the transhumant population of northwest Turkana, Kenya, was found to have the highest prevalence of CE in the world. In 1983, AMREF Health Africa and the Kenya Medical and Research Institute launched a CE Control Program in northwest Turkana, screening and treating the local people. This epidemiological study of CE in Turkana analyses approximately 30 years of surveillance and surgical data...
May 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28721526/genetic-characterization-of-human-hydatid-cysts-shows-coinfection-by-echinococcus-canadensis-g7-and-echinococcus-granulosus-sensu-stricto-g1-in-argentina
#5
María Florencia Debiaggi, Silvia Viviana Soriano, Nora Beatriz Pierangeli, Lorena Evelina Lazzarini, Luis Alfredo Pianciola, Melina Leonor Mazzeo, Sergio Moguillansky, Juan Angel Basualdo Farjat
Human cystic echinococcosis caused by the larval stage of Echinococcus granulosus sensu lato (s.l.) is a highly endemic disease in the province of Neuquén, Patagonia, Argentina. Human infections with E. granulosus sensu stricto (s.s.) G1 and Echinococcus canadensis G6 were reported in Neuquén in previous studies, whereas four genotypes were identified in livestock: G1, G3, G6, and G7. The aim of this study was to identify the genotypes of E. granulosus s.l. isolates from humans of Neuquén province, Patagonia, Argentina, through the 2005-2014 period...
July 18, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28717581/detection-of-echinococcus-granulosus-antigen-by-a-quantum-dot-porous-silicon-optical-biosensor
#6
Yanyu Li, Zhenhong Jia, Guodong Lv, Hao Wen, Peng Li, Hongyan Zhang, Jiajia Wang
Highly sensitive labeled detection of Echinococcus granulosus using colloidal quantum dots (QDs) based on a porous silicon Bragg mirror sensor are demonstrated. Rabbit anti-p38 labeled CdSe/ZnS QDs was infiltrated in porous silicon pores immobilized Egp38 antigen. QD-antibodies are specifically bound to antigens linked covalently to the pore walls of PSi after the immune reaction. By the design of the transfer matrix method and the preparation of the electrochemical etching method, the fluorescence peak wavelength of the quantum dots is located in the forbidden band of the Bragg mirror...
July 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28715408/potential-risk-factors-associated-with-human-alveolar-echinococcosis-systematic-review-and-meta-analysis
#7
Franz J Conraths, Carolina Probst, Alessia Possenti, Belgees Boufana, Rosella Saulle, Giuseppe La Torre, Luca Busani, Adriano Casulli
BACKGROUND: Human alveolar echinococcosis (AE) is a severe zoonotic disease caused by the metacestode stage of Echinococcus multilocularis. AE is commonly associated with a long incubation period that may last for more than ten years. The objective of this systematic literature review was to identify and summarize the current knowledge on statistically relevant potential risk factors (PRFs) associated with AE in humans. METHODOLOGY/PRINCIPAL FINDINGS: Six bibliographic databases were searched, generating a total of 1,009 publications...
July 17, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28700426/coexisting-primary-ovarian-and-omental-hydatid-disease-mimicking-an-ovarian-neoplasm-a-case-report
#8
Emre E Tas, Gulin F Yegin Akcay, Fatma Yildirim, Filiz Yavuz
Hydatid disease is a parasitic infection that most commonly affects the liver and lungs, although the disease can arise in any part of the body. Cysts may mimic many benign and malignant conditions. The diagnosis cannot be confirmed preoperatively in all cases. A 44-yr-old menopausal woman was admitted to the department of gynecology with complaints of abdominal distention. A fixed abdominopelvic mass was identified. Radiology revealed a 20-cm mass with branched septations and solid components. CA-125 level was 55 kU/L, and Risk of Malignancy Index-2 score was 880...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28697272/screening-of-antigenic-vesicular-fluid-proteins-of-echinococcus-multilocularis-as-potential-viability-biomarkers-to-monitor-drug-response-in-alveolar-echinococcosis-patients
#9
Benoît Valot, Bénédicte Rognon, Anais Prenel, Alice Baraquin, Jenny Knapp, Mathilde Anelli, Carine Richou, Solange Bresson-Hadni, Frederic Grenouillet, Junhua Wang, Dominique Angèle Vuitton, Bruno Gottstein, Laurence Millon
PURPOSE: The only drugs available to treat alveolar echinococcosis (AE) are mostly parasitostatic and in many cases prescribed for life. Decision criteria for discontinuation rely on the absence of parasitic viability. The aim of the present study was to search for candidate proteins that may exhibit good potential as biomarkers for viability. EXPERIMENTAL DESIGN: Sixteen serum samples (5 healthy controls,11 patients with AE), were used. AE-patients were classified into 3 groups 'Cured' (n = 2), 'ABZ-responders' (n = 4) and 'ABZ-non responders' (n = 5)...
July 11, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28694639/primary-paraspinal-hydatidosis-causing-acute-paraplegia
#10
Srihari Sridharan, G S Jagan Narayana, Kalyanasundarabharathi Chidambaram, Anand Prasath Jayachandiran
The zoonotic infection hydatidosis is caused by the tapeworm cestode, Echinococcus granulosus. Though considered endemic in India where association of humans with sheep and dogs form part of the livelihood, primary skeletal muscle involvement of the disease is an extremely rare event. We report a case of primary paraspinal hydatidosis with extradural extension causing acute paraplegia. Excision of the cyst and decompression of the cord was done along with albendazole therapy. Paraspinal hydatid disease is a rare entity, and in regions where hydatid disease is endemic, it can be involved in the differential diagnosis of acute compressive myelopathy...
July 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28694603/hydatid-disease-of-the-spine-a-rare-case
#11
Mona Agnihotri, Naina Goel, Asha Shenoy, Survendra Rai, Atul Goel
Hydatid disease or hydatidosis is the most widespread zoonosis caused by Echinococcus granulosus. Liver and lungs are the most common sites. Bone involvement is rare and reported in 0.5%-4% with spinal involvement reported in 50% of these cases. We present a case of spinal hydatidosis in a 35-year-old male presenting with lower extremity weakness and numbness. Magnetic resonance imaging (MRI) of the spine showed multiple cystic lesions at the T9-T11 level with involvement of the paraspinal muscles. The lesion was seen intraspinal, intradural, intramedullary, and epidural...
April 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28688974/a-step-forward-in-the-understanding-of-the-presence-and-expansion-of-echinococcus-multilocularis-in-eastern-europe-using-microsatellite-emsb-genotyping-in-poland
#12
Gérald Umhang, Jacek Karamon, Vanessa Hormaz, Jenny Knapp, Tomasz Cencek, Franck Boué
Alveolar echinococcosis is a severe zoonotic disease caused by the parasite Echinococcus multilocularis. In Europe, the lifecycle of this cestode is mainly sylvatic based on a prey-predator interaction between the red fox and small rodents as definitive and intermediate hosts, respectively. National surveillance of E. multilocularis in red foxes in Poland has reported a clear distinction between low endemic areas (from 2 to 5.7%) in the western half and high endemic areas (11.8 to 50.0%) in the eastern half of the country...
July 5, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28680601/liver-hydatid-cyst-with-cutaneous-fistulization-to-the-right-breast-a-case-report-management-and-literature-review
#13
Mansour El Khoury, Antoine El Asmar, Wissam Dib, Elie Creidi, Madeleine Yehia, Imad Hajj
Echinococcus granulosus is the most common tapeworm causing hydatid disease in humans. Its least-encountered complication is cutaneous fistulization. Omentoplasty, cyst, and fistulous tract drainage revealed successful in the management of this complication. Such intervention can be an alternative when conservative management fails, and a minimally aggressive procedure is required.
July 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28678921/identification-of-ige-and-igg1-specific-antigens-in-echinococcus-granulosus-cyst-fluid
#14
S Li, R Qian, S Wang, J Ye, H Zheng
Cystic echinococcosis (CE) is an anthropozoonotic disease with worldwide distribution and is caused by the cestode Echinococcus granulosus. Anaphylactic shock induced by CE rupture is a serious complication especially in patients with hydatid infections, as the resulting leakage of fluid contains highly toxic endogenous antigen. We aimed to isolate and identify the antigens of specific IgE and IgG1 (sIgE and sIgG1) in E. granulosus cyst fluid (EgCF). Crude antigen for EgCF was prepared from E. granulosus-infected sheep liver...
July 3, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28672021/the-clinical-burden-of-human-cystic-echinococcosis-in-palestine-2010-2015
#15
Amer Al-Jawabreh, Suheir Ereqat, Kamal Dumaidi, Abdelmajeed Nasereddin, Hanan Al-Jawabreh, Kifaya Azmi, Nahed Al-Laham, Moath Nairat, Adriano Casulli, Husni Maqboul, Ziad Abdeen
BACKGROUND: Cystic echinococcosis (CE) is classified by the WHO as a neglected disease inflicting economic losses on the health systems of many countries worldwide. The aim of this case-series study was to investigate the burden of human CE in Palestine during the period between 2010 and 2015. METHODOLOGY/PRINCIPAL FINDINGS: Records of surgically confirmed CE patients from 13 public and private hospitals in the West Bank and Gaza Strip were reviewed. Patients' cysts were collected from surgical wards and formalin-fixed paraffin-embedded (FFPE) blocks were collected from histopathology departments...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28668323/cestode-parasites-release-extracellular-vesicles-with-micrornas-and-immunodiagnostic-protein-cargo
#16
María Eugenia Ancarola, Antonio Marcilla, Michaela Herz, Natalia Macchiaroli, Matías Pérez, Sebastián Asurmendi, Klaus Brehm, Carolina Poncini, Mara Rosenzvit, Marcela Cucher
Intercellular communication is crucial in multiple aspects of cell biology. This interaction can be mediated by several mechanisms including extracellular vesicle (EV) transfer. EV secretion by parasites has been reported in protozoans, trematodes and nematodes. Here we report that this mechanism is present in three different species of cestodes, Taenia crassiceps, Mesocestoides corti and Echinococcus multilocularis. To confirm this we determined, in vitro, the presence of EVs in culture supernatants by transmission electron microscopy...
June 29, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28660127/multiorgan-echinococcus-infection-treatment-of-an-immigrant-in-the-united-states
#17
Kevin J Zhang, Michael Schaldenbrand, Fuad Turfah
We discuss the clinical presentation and management of a 36-year-old woman presenting with a 12-year history of recurrent hydatid disease, a disease caused by Echinococcus granulosus and other Echinococcal species, which is rarely seen in the contiguous United States. She has had multiple procedures since her diagnosis in 2005 and is still closely being followed for possible disease recurrence.
2017: IDCases
https://www.readbyqxmd.com/read/28658863/complicated-hydatid-cyst-of-ulna-a-rare-case-report
#18
I V Reddy, A H Ashwin Kumar, Bheemsingh Samorekar, B Amar Babu, Anil Kumar Mettu
Although hydatidosis is not uncommon in tropical countries, still bony involvement is comparatively rare. The aetiological agent is Echinococcus granulosus, a parasite belonging to cestode group with dog as definitive host and man as incidental host. We present a case of young male, who consulted us for painless, multiple swellings in his right forearm of three years duration, with restricted wrist movements. On examination multiple non tender, soft to firm swellings were noted with restricted terminal pronation...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28656619/an-unusual-cause-of-chest-pain-an-isolated-huge-cardiac-hydatid-cyst
#19
Begum Uygur, Fethi Emre Ustabasioglu, Huseyin Karakurt, Okan Akinci, Omer Celik
Hydatid disease is a human parasitic infection caused by the larval stage of Echinococcus granulosus. The most common locations for hydatid cysts are the liver and lungs. Cardiac involvement is rare, and isolated cardiac hydatid cysts are even more unusual. We report the case a 48-year-old female patient with an isolated huge cardiac hydatid cyst involving both the left ventricular free wall and the pericardium, and presenting with atypical chest pain. © 2017 Wiley Periodicals, Inc. J Clin Ultrasound, 2017...
June 27, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28655333/deworming-of-stray-dogs-and-wild-canines-with-praziquantel-laced-baits-delivered-by-an-unmanned-aerial-vehicle-in-areas-highly-endemic-for-echinococcosis-in-china
#20
Qing Yu, Ning Xiao, Shi-Jie Yang, Shuai Han
BACKGROUND: Canines, the definitive hosts for the parasites causing alveolar (AE) and cystic echinococcosis (CE), are the main source of this infections playing the key role in the transmission. The ten-year mortality rate of AE is extremely high (94%) if the patients are not given sustained treatment. The aim of this field study is to explore the possibility of delivery of praziquantel-laced baits using unmanned aerial vehicles (UAVs) aimed at deworming wild canines in the endemic areas...
June 27, 2017: Infectious Diseases of Poverty
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