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https://www.readbyqxmd.com/read/28737550/intestinal-cestodes
#1
Camille Webb, Miguel M Cabada
PURPOSE OF REVIEW: Cestodes infections in humans are among the most prevalent parasitosis worldwide. Although tapeworm infection is often asymptomatic, they can be associated with a range of symptoms. The landscape of cestode infections is changing with rapid diagnosis techniques and advanced molecular diagnosis aiding in identification of species specific epidemiology. RECENT FINDINGS: Traditional descriptions of species by location have been challenged with molecular diagnostic techniques, which show variation in distribution of species, thought to be because of globalization and importation of disease...
July 22, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28732550/epidemiology-of-taeniosis-cysticercosis-in-europe-a-systematic-review-western-europe
#2
REVIEW
Minerva Laranjo-González, Brecht Devleesschauwer, Chiara Trevisan, Alberto Allepuz, Smaragda Sotiraki, Annette Abraham, Mariana Boaventura Afonso, Joachim Blocher, Luís Cardoso, José Manuel Correia da Costa, Pierre Dorny, Sarah Gabriël, Jacinto Gomes, María Ángeles Gómez-Morales, Pikka Jokelainen, Miriam Kaminski, Brane Krt, Pascal Magnussen, Lucy J Robertson, Veronika Schmidt, Erich Schmutzhard, G Suzanne A Smit, Barbara Šoba, Christen Rune Stensvold, Jože Starič, Karin Troell, Aleksandra Vergles Rataj, Madalena Vieira-Pinto, Manuela Vilhena, Nicola Ann Wardrop, Andrea S Winkler, Veronique Dermauw
BACKGROUND: Taenia solium and Taenia saginata are zoonotic parasites of public health importance. Data on their occurrence in humans and animals in western Europe are incomplete and fragmented. In this study, we aimed to update the current knowledge on the epidemiology of these parasites in this region. METHODS: We conducted a systematic review of scientific and grey literature published from 1990 to 2015 on the epidemiology of T. saginata and T. solium in humans and animals...
July 21, 2017: Parasites & Vectors
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
#3
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
#4
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/28719957/four-human-cases-of-diphyllobothrium-nihonkaiense-eucestoda-diphyllobothriidae-in-china-with-a-brief-review-of-chinese-cases
#5
Yu-Chun Cai, Shao-Hong Chen, Hiroshi Yamasaki, Jia-Xu Chen, Yan Lu, Yong-Nian Zhang, Hao Li, Lin Ai, Hai-Ning Chen
We described 4 human infection cases of zoonotic fish-tapeworm, Diphyllobothrium nihonkaiense, identified with morphological and molecular characters and briefly reviewed Chinese cases in consideration of it as an emerging parasitic disease in China. The scolex and mature and gravid proglottids of some cases were seen, a rosette-shaped uterus was observed in the middle of the mature and gravid proglottids, and the diphyllobothriid eggs were yellowish-brown in color and displayed a small knob or abopercular protuberance on the opposite end of a lid-like opening...
June 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28704366/identifying-wildlife-reservoirs-of-neglected-taeniid-tapeworms-non-invasive-diagnosis-of-endemic-taenia-serialis-infection-in-a-wild-primate-population
#6
India Schneider-Crease, Randi H Griffin, Megan A Gomery, Pierre Dorny, John C Noh, Sukwan Handali, Holly M Chastain, Patricia P Wilkins, Charles L Nunn, Noah Snyder-Mackler, Jacinta C Beehner, Thore J Bergman
Despite the global distribution and public health consequences of Taenia tapeworms, the life cycles of taeniids infecting wildlife hosts remain largely undescribed. The larval stage of Taenia serialis commonly parasitizes rodents and lagomorphs, but has been reported in a wide range of hosts that includes geladas (Theropithecus gelada), primates endemic to Ethiopia. Geladas exhibit protuberant larval cysts indicative of advanced T. serialis infection that are associated with high mortality. However, non-protuberant larvae can develop in deep tissue or the abdominal cavity, leading to underestimates of prevalence based solely on observable cysts...
July 13, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28697986/temporalis-cysticerci-a-diagnostic-dilemma-and-review-of-literature
#7
S Malik, G Singh, G Kaur
Cysticercosis is a systemic parasitic infestation caused by ingesting the eggs of the pork tapeworm, Taenia solium. The central nervous system (CNS) is the most important primary site of infection and disease can present with solitary or multiple space-occupying lesion. Other organs like subcutaneous tissues, muscles, heart, liver, lungs, and peritoneum are more frequently affected but maxillofacial region involvement is rare. The diagnosis of cysticercose is evoked on US examination and CT scan, but confirmation is only possible by Fine needle aspiration cytology [FNAC] or histological examination in case of surgical removal of the oral lesion which can identify the Taenia solium larva...
July 8, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28694639/primary-paraspinal-hydatidosis-causing-acute-paraplegia
#8
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/28692673/gastrointestinal-parasite-infections-and-self-medication-in-wild-chimpanzees-surviving-in-degraded-forest-fragments-within-an-agricultural-landscape-mosaic-in-uganda
#9
Matthew R McLennan, Hideo Hasegawa, Massimo Bardi, Michael A Huffman
Monitoring health in wild great apes is integral to their conservation and is especially important where they share habitats with humans, given the potential for zoonotic pathogen exchange. We studied the intestinal parasites of wild chimpanzees (Pan troglodytes schweinfurthii) inhabiting degraded forest fragments amid farmland and villages in Bulindi, Uganda. We first identified protozoan and helminth parasites infecting this population. Sixteen taxa were demonstrated microscopically (9 protozoa, 5 nematodes, 1 cestode, and 1 trematode)...
2017: PloS One
https://www.readbyqxmd.com/read/28686662/comparison-of-a-new-multiplex-real-time-pcr-with-the-kato-katz-thick-smear-and-copro-antigen-elisa-for-the-detection-and-differentiation-of-taenia-spp-in-human-stools
#10
Dinh Ng-Nguyen, Mark A Stevenson, Pierre Dorny, Sarah Gabriël, Tinh Van Vo, Van-Anh Thi Nguyen, Trong Van Phan, Sze Fui Hii, Rebecca J Traub
BACKGROUND: Taenia solium, the cause of neurocysticercosis (NCC), has significant socioeconomic impacts on communities in developing countries. This disease, along with taeniasis is estimated to infect 2.5 to 5 million people globally. Control of T. solium NCC necessitates accurate diagnosis and treatment of T. solium taeniasis carriers. In areas where all three species of Taenia tapeworms (T. solium, Taenia saginata and Taenia asiatica) occur sympatrically, conventional microscope- and copro-antigen based diagnostic methods are unable to distinguish between these three Taenia species...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28680601/liver-hydatid-cyst-with-cutaneous-fistulization-to-the-right-breast-a-case-report-management-and-literature-review
#11
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/28670090/neurocysticercosis-of-the-fourth-ventricle-associated-with-hydrocephalus
#12
Carola Mullins, Jonathan A Muniz, Hugo Sandoval, Osvaldo Padilla, Luis Ramos-Duran
Neurocysticercosis is a parasitic infection of the central nervous system with the cysts of Taenia solium, the pig tapeworm. Infection presents with a pleomorphic picture depending on the stage and location of the infection and the immune response of the infected host. Historically confined to the developing world, neurocysticercosis is no longer limited to endemic regions, as globalization, travel, and immigration permit the spread of the infection. We report a young Hispanic patient who was diagnosed with neurocysticercosis of the fourth ventricle and subsequent hydrocephalus...
July 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28669015/present-status-of-laboratory-diagnosis-of-human-taeniosis-cysticercosis-in-europe
#13
REVIEW
M A Gómez-Morales, T Gárate, J Blocher, B Devleesschauwer, G S A Smit, V Schmidt, M J Perteguer, A Ludovisi, E Pozio, P Dorny, S Gabriël, A S Winkler
Human cysticercosis (CC) is a parasitic zoonosis caused by the larval stage (cyst) of the Taenia solium. Cysts can establish in the human central nervous system (neurocysticercosis, NCC) and other organs and tissues; they also develop in pigs, the natural intermediate host. Human taeniosis may be caused by T. solium, Taenia saginata and Taenia asiatica tapeworms; these infections are usually asymptomatic, but show a significant relevance as they perpetuate the parasites' life cycle, and, in the case of T. solium, they are the origin of (N)CC...
July 1, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28664702/invasive-forms-of-canine-endoparasites-as-a-potential-threat-to-public-health-a-review-and-own-studies
#14
REVIEW
Mirosława Felsmann, Mirosław Michalski, Mariusz Felsmann, Rajmund Sokół, Józef Szarek, Emilia Strzyżewska-Worotyńska
[b]Abstract [/b] Dogs serve as the vectors of serious zoonotic parasitic diseases. In the month of May 2012 - 2014, 339 dog faeces samples from seven public sites in Chełmno, a town in northern Poland, were collected and examined to determine the gastrointestinal parasite fauna of dogs. Each faecal sample was dissected with a needle, checked for tapeworm segments and examined for parasite eggs and oocysts using the flotation and decantation method and a modified Baermann technique. Differences were observed in the degree of parasite species occurrence...
May 11, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28655342/the-complete-mitochondrial-dna-of-three-monozoic-tapeworms-in-the-caryophyllidea-a-mitogenomic-perspective-on-the-phylogeny-of-eucestodes
#15
Wen X Li, Dong Zhang, Kellyanne Boyce, Bing W Xi, Hong Zou, Shan G Wu, Ming Li, Gui T Wang
BACKGROUND: External segmentation and internal proglottization are important evolutionary characters of the Eucestoda. The monozoic caryophyllideans are considered the earliest diverging eucestodes based on partial mitochondrial genes and nuclear rDNA sequences, yet, there are currently no complete mitogenomes available. We have therefore sequenced the complete mitogenomes of three caryophyllideans, as well as the polyzoic Schyzocotyle acheilognathi, explored the phylogenetic relationships of eucestodes and compared the gene arrangements between unsegmented and segmented cestodes...
June 27, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28640666/first-report-of-an-adult-tapeworm-cestoda-diphyllobothriidea-in-a-southern-sea-otter-enhydra-lutris-nereis
#16
Colleen Young, Melissa A Miller, Roman Kuchta, Jan Brabec, Seth D Newsome, Murray Dailey
We present a novel case of an intestinal cestode infection in a southern sea otter (Enhydra lutris nereis). The cestode species Diplogonoporus tetrapterus was confirmed genetically. Stable isotope analysis of whiskers collected from the sea otter did not confirm the consumption of fish as the route of exposure.
June 22, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28634145/taeniasis-caused-by-taenia-saginata-in-gianyar-town-and-taenia-solium-in-karangasem-villages-of-bali-indonesia-2011-2016-how-to-detect-tapeworm-carriers-anamnesis-or-microscopy
#17
Kadek Swastika, Toni Wandra, Nyoman Sadra Dharmawan, I Made Sudarmaja, John Master Saragih, Luh Putu Eka Diarthini, Luh Ariwati, Putu Ayu Asri Damayanti, Dewa Ayu Agus Sri Laksemi, Nengah Kapti, Putu Sutisna, Tetsuya Yanagida, Akira Ito
From January 2011 until September 2016, screening of taeniasis carriers was carried out in a town in Gianyar District (Taenia saginata) and in villages which consisted of several Banjars (the smallest community units) on the eastern slope of Mt. Agung, Karangasem District (Taenia solium) in Bali, Indonesia. Fecal samples from all community members who chose to participate were examined microscopically for detection of taeniid eggs each person completedwith a questionnaire to determine if they had seen whitish, noodle-like proglottids (anamnesis) in their feces...
June 17, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28630663/presentation-of-secondary-parasitic-infection-37-years-after-primary-infection
#18
Gary Sharp, David Yeo, Cherry Koh
Echinococcus granulosus (EG) is a neglected pathology that causes cystic echinococcosis and primarily affects the liver and lung. EG infects ~6 million worldwide and mortality is quoted as 2-4% per 100 000 inhabitants. The increase in human traffic from endemic regions demands clinician's awareness. Dogs are the most common definitive host for the EG tapeworm. Human infection requires ingestion of fecal parasitic eggs. Primary infection causes cysts to appear in affected organs, rupture of which leads to secondary infection...
June 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28626973/role-of-parasite-transmission-in-promoting-inbreeding-ii-pedigree-reconstruction-reveals-sib-transmission-and-consequent-kin-mating
#19
Jillian T Detwiler, Charles D Criscione
Even though parasitic flatworms are one of the most species rich groups of hermaphroditic organisms, we know virtually nothing of their mating systems (selfing or kin-mating rates) in nature. Hence, we lack an understanding of the role of inbreeding in parasite evolution. The natural mating systems of parasitic flatworms have remained elusive due to the inherent difficulty in generating progeny-array data in many parasite systems. New developments in pedigree reconstruction allow direct inference of realized selfing rates in nature by simply using a sample of genotyped individuals...
June 19, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28626938/role-of-parasite-transmission-in-promoting-inbreeding-i-infection-intensities-drive-individual-parasite-selfing-rates
#20
Jillian T Detwiler, Isabel C Caballero, Charles D Criscione
Among parasitic organisms, inbreeding has been implicated as a potential driver of host-parasite coevolution, drug-resistance evolution, and parasite diversification. Yet, fundamental topics about how parasite life histories impact inbreeding remain to be addressed. In particular, there are no direct selfing-rate estimates for hermaphroditic parasites in nature. Our objectives were to elucidate the mating system of a parasitic flatworm in nature and to understand how aspects of parasite transmission could influence the selfing rates of individual parasites...
June 19, 2017: Molecular Ecology
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