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https://www.readbyqxmd.com/read/29324037/health-hazards-associated-with-arthropod-infestation-of-stored-products
#1
Jan Hubert, Vaclav Stejskal, Christos G Athanassiou, James E Throne
Insects and mites are common inhabitants and accidental invaders of food, including durable commodities, and their presence can have both direct and indirect effects on human health. The most common direct effect is contamination of food with arthropod fragments and related contaminants, which may be allergenic or even carcinogenic. The most important indirect effect is that their presence can change the storage microenvironment, making durable products suitable for the rapid development of fungi and other microorganisms...
January 7, 2018: Annual Review of Entomology
https://www.readbyqxmd.com/read/29291202/taeniasis-a-possible-cause-of-ileal-bleeding
#2
Alessia Settesoldi, Alessandro Tozzi, Ottaviano Tarantino
Taenia spp. are flatworms of the class Cestoda, whose definitive hosts are humans and primates. Human infestation (taeniasis) results from the ingestion of raw meat contaminated with encysted larval tapeworms and is considered relatively harmless and mostly asymptomatic. Anemia is not recognized as a possible sign of taeniasis and taeniasis-induced hemorrhage is not described in medical books. Its therapy is based on anthelmintics such praziquantel, niclosamide or albendazole. Here we describe a case of acute ileal bleeding in an Italian man affected with both Taenia spp...
December 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/29288139/molecular-taxonomy-and-subgeneric-classification-of-tapeworms-of-the-genus-moniezia-blanchard-1891-cestoda-anoplocephalidae-in-northern-cervids-alces-and-rangifer
#3
Voitto Haukisalmi, Sauli Laaksonen, Antti Oksanen, Kimberlee Beckmen, Ali Halajian, Tetsuya Yanagida, Minoru Nakao
Phylogenetic relationships of tapeworms of the genus Moniezia Blanchard, 1891 (Cestoda, Anoplocephalidae) parasitizing the Eurasian elk Alces alces, the moose A. americanus and the reindeer/caribou Rangifer tarandus (Cervidae) were studied using DNA sequences of two mitochondrial genes (cox1 and nad1). Several isolates from domestic ruminants, representing Moniezia expansa (Rudolphi, 1810) sensu lato and M. benedeni (Moniez, 1879) sensu lato, and one unidentified isolate from an African antelope, were also included in the analysis...
December 26, 2017: Parasitology International
https://www.readbyqxmd.com/read/29284011/genetic-variability-of-taenia-solium-cysticerci-recovered-from-experimentally-infected-pigs-and-from-naturally-infected-pigs-using-microsatellite-markers
#4
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
https://www.readbyqxmd.com/read/29276585/intestinal-perforation-and-peritonitis-due-to-taenia-saginata-a-case-report-from-iran
#5
Masoud Soosaraei, Shahriar Alizadeh, Mahdi Fakhar, Elham Sadat Banimostafavi, Hajar Ziaei Hezarjaribi
Taenia saginata (T. saginata) is one of the most common cestode in human. We report a case of intestinal perforation caused due to T. saginata infection. The patient, 54-year-old female, had intermittent abdominal pain, diarrhea and vomiting on referral. Intestinal obstruction and perforation leading to necrosis, and volvulus due to an impacted tapeworm was observed. Histopathological examinations showed acute inflammation with mucosal ulceration, and luminal exudates accompanied by an elongated and flattened segment of the helminth...
December 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/29273064/the-asian-fish-tapeworm-schyzocotyle-acheilognathi-is-widespread-in-baitfish-retail-stores%C3%A2-in-michigan-usa
#6
Traimat Boonthai, Seth J Herbst, Gary E Whelan, Michelle Gunn Van Deuren, Thomas P Loch, Mohamed Faisal
BACKGROUND: The Asian fish tapeworm Schyzocotyle acheilognathi (Yamaguti, 1934) is an important fish pathogen because of its wide range of intermediate and definitive hosts and its pathological consequences. This study was designed to determine if baitfish are a likely vector contributing to the expansion of the invasive Asian fish tapeworm. RESULTS: We collected live baitfish for examination from 78 retail stores in Michigan between September 2015 and June 2016...
December 22, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29251334/niclosamide-acts-as-a-new-inhibitor-of-vasculogenic-mimicry-in-oral-cancer-through-upregulation-of-mir-124-and-downregulation-of-stat3
#7
Xiaoxu Li, Zhicheng Yang, Zewen Han, Yanhui Wen, Zeyun Ma, Yixiang Wang
Tumors require nutrients and oxygen for growth and metastasis. Vasculogenic mimicry (VM) has been found as a new manner of blood supply, which is characterized as the formation of tumor cell-lined vessels instead of endothelial vessels. This is why angiogenesis agents targeted to endothelial cells show a limited efficacy. Up to this point, there is no effective drug reported for inhibiting VM formation. Niclosamide is an oral anti-helminthic drug used to treat human tapeworms. Recent studies have indicated that niclosamide has broad applications for cancer and other diseases...
February 2018: Oncology Reports
https://www.readbyqxmd.com/read/29230582/a-new-monozoic-tapeworm-parabreviscolex-niepini-n-g-n-sp-cestoda-caryophyllidea-from-schizothoracine-fishes-cyprinidae-schizothoracinae-in-tibet-china
#8
Bing-Wen Xi, Mikuláš Oros, Kai Chen, Jun Xie
A new monozoic cestode, Parabreviscolex niepini n. gen. and n. sp. (Cestoda: Caryophyllidea), is described from the type-host Schizopygopsis younghusbandi Regan, 1905 (Cyprinidae: Schizothoracinae) and Schizothorax waltoni Regan, 1905 (Cyprinidae: Schizothoracinae) in the Yarlung Tsangpo River, the upper tributary of the Brahmaputra River on the Tibetan Plateau. The new genus is placed in the Capingentidae because the vitellarium is situated partly in the medullary and cortical parenchyma, i.e., neither completely external nor internal to inner longitudinal muscles...
December 11, 2017: Parasitology Research
https://www.readbyqxmd.com/read/29230579/prevalence-of-cysticercosis-in-estonian-pigs-and-cattle
#9
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...
December 11, 2017: Parasitology Research
https://www.readbyqxmd.com/read/29229735/oral-application-of-recombinant-bacillus-subtilis-spores-to-dogs-results-in-a-humoral-response-against-specific-echinococcus-granulosus-paramyosin-and-tropomyosin-antigens
#10
Cédric M Vogt, Maria Teresa Armúa-Fernández, Kurt Tobler, Monika Hilbe, Claudio Aguilar, Mathias Ackermann, Peter Deplazes, Catherine Eichwald
Bacillus subtilis is known as an endospore- and biofilm-forming bacterium with probiotic properties. We have recently developed a method for displaying heterologous proteins on the surface of B. subtilis biofilms by introducing the coding sequences of the protein of interest into the bacterial genome to generate a fusion protein linked to the C-terminus of the biofilm matrix protein TasA. Although B. subtilis is a regular component of the gut microflora, we constructed a series of recombinant B. subtilis strains that were tested for their ability to immunize dogs following oral application of the spores...
December 11, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/29207846/tiny-creature-in-oral-cavity-a-case-report
#11
Cheena Singh, M Parvathi Devi, Kamal Sagar
Oral cavity is nidus of much pathology. Some may arise due to altered eating habits such as meat, uncooked food etc. The parasitic infections arising from ingesting uncooked pork (larva of pork tapeworm) called as cysticercosis and being undiagnosed lead to "diagnostic dilemma". Herein we report a case of cysticercosis involving the right dorsum of tongue along with review of literature.
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29190292/tnf-%C3%AE-blockade-suppresses-pericystic-inflammation-following-anthelmintic-treatment-in-porcine-neurocysticercosis
#12
Siddhartha Mahanty, Miguel A Orrego, Carla Cangalaya, M Paz Adrianzen, Gianfranco Arroyo, Juan Calcina, Armando E Gonzalez, Héctor H García, Cristina Guerra-Giraldez, Theodore E Nash
BACKGROUND: Neurocysticercosis (NCC) is an infection of the brain with the larval cyst of the tapeworm, Taenia solium. Cysticidal treatment induces parasite killing resulting in a post inflammatory response and seizures, which generally requires corticosteroid treatment to control inflammation. The nature of this response and how to best control it is unclear. We investigated the anti-inflammatory effects of pretreatment with etanercept (ETN), an anti-tumor necrosis factor agent, or dexamethasone (DEX), a high potency corticosteroid, on the post treatment inflammatory response in naturally infected pigs with neurocysticercosis after a single dose of the cysticidal drug praziquantel (PZQ)...
November 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29184259/isolated-peritoneal-mesenteric-and-omental-hydatid-cyst-a-clinicopathologic-narrative-review
#13
REVIEW
Bita Geramizadeh
Hydatid disease (HD) is caused by Echinococcus granulosus and is endemic in many parts of the world. This parasitic tapeworm can produce cysts in almost every organ of the body, with the liver and lung being the most frequently targeted organs. Peritoneum, omentum, and mesentery are among these unusual locations, which can cause diagnostic challenge and treatment delay. This review provides information on the reported cases of the peritoneal, omental, and mesenteric hydatid cyst in the world during the last 20 years...
November 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29181218/superinfection-of-a-dead-hepatic-echinococcal-cyst-with-a-cutaneous-fistulization
#14
Giuseppe Cicero, Alfredo Blandino, Giorgio Ascenti, Tommaso D'Angelo, Luciano Frosina, Carmela Visalli, Ignazio Salamone, Maria Adele Marino, Marco Cavallaro, Silvio Mazziotti
Cystic echinococcosis (CE), also known as "hydatid disease" (HD), is a zoonotic infection caused by the larval stage of Echinococcus granulosus, which infects humans as intermediate hosts through the orofecal route. Carried by the intestinal venous blood, the embryos released by the eggs of the tapeworms can reach every organ, especially the liver, turning into a hydatid cyst. Usually asymptomatic, the cysts can be incidentally detected through radiological examinations performed for other reasons. We show an unusual case of superinfection of a hydatid cyst with typical radiological features of inactivity (WHO-type CE5) with an even rarer skin fistulization passing through a subcutaneous-abdominal abscess involving the right iliac muscle...
2017: Case Reports in Radiology
https://www.readbyqxmd.com/read/29177784/how-tapeworm-infection-and-consumption-of-a-cd-and-zn-hyperaccumulating-plant-may-affect-cu-fe-and-mn-concentrations-in-an-animal-a-plant-consumer-and-tapeworm-host
#15
Ivana Jankovská, Vladislav Sloup, Jiřina Száková, Jan Magdálek, Stanislava Nechybová, Pavla Peřinková, Iva Langrová
This study evaluated the effects of a hyperaccumulator plant (Arabidopsis halleri), containing surplus of cadmium (Cd) and zinc (Zn) and being an admixture to the rat feed, on concentrations of copper (Cu), iron (Fe), and manganese (Mn) in the tissues of experimental rats infected/uninfected with the tapeworm (Hymenolepis diminuta). Male Wistar rats were divided into three groups (00, P0, and PT); the P0 and PT animals were fed a standard mixture for rats (ST-1) supplemented with the plant A. halleri at a weekly Zn and Cd dosage of 123 and 1 mg, respectively...
November 25, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29177582/the-invasive-cestode-parasite-ligula-from-salmonids-and-bullies-on-the-south-island-new-zealand
#16
Clément Lagrue, Bronwen Presswell, Nick Dunckley, Robert Poulin
Freshwater ecosystems are often impacted by biological invasions, including the introduction of exotic parasites capable of infecting native species. Here, we report the occurrence of the introduced tapeworm Ligula sp. from common bully, Gobiomorphus cotidianus, and quinnat salmon, Oncorhynchus tshawytscha, in Lake Hawea, South Island, New Zealand. This parasite has a complex life cycle, reaching its adult stage in fish-eating birds. Worms recovered from the body cavity of fish hosts reached huge sizes (60-300 mm long); however, their low prevalence in fish populations suggests that infections are rare or localised...
November 25, 2017: Parasitology Research
https://www.readbyqxmd.com/read/29174867/the-synthesis-of-steroids-by-taenia-crassiceps-wfu-cysticerci-and-tapeworms-is-related-to-the-developmental-stages-of-the-parasites
#17
J M Patricio-Gómez, R A Valdez, A Veloz, L Aguilar-Vega, R Zurabian, M C Romano
Taeniids tapeworms are hermaphroditic helminths that gradually develop testis and ovaries in their reproductive units. The larval stage of the tapeworms named cysticercus is a vesicle that contains the scolex and proliferates asexually in the abdominal cavity of mice. Once in the host, they evaginate, attach to the gut and develop into an adult organism, the tapeworm. We have previously reported reported that T. crassiceps ORF and solium cysticerci transform steroid precursors to androgens and estrogens. Taenia crassiceps WFU cysticerci can also synthesize corticosteroids...
November 22, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29157281/identification-of-immunogenic-proteins-of-the-cysticercoid-of-hymenolepis-diminuta
#18
Anna Sulima, Justyna Bień, Kirsi Savijoki, Anu Näreaho, Rusłan Sałamatin, David Bruce Conn, Daniel Młocicki
BACKGROUND: A wide range of molecules are used by tapeworm metacestodes to establish successful infection in the hostile environment of the host. Reports indicating the proteins in the cestode-host interactions are limited predominantly to taeniids, with no previous data available for non-taeniid species. A non-taeniid, Hymenolepis diminuta, represents one of the most important model species in cestode biology and exhibits an exceptional developmental plasticity in its life-cycle, which involves two phylogenetically distant hosts, arthropod and vertebrate...
November 21, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29113596/differences-between-populations-in-host-manipulation-by-the-tapeworm-schistocephalus-solidus-is-there-local-adaptation
#19
Nina Hafer
Host manipulation whereby a parasite increases its transmission to a subsequent host by altering the behaviour of its current host is very far spread. It also occurs in host-parasite systems that are widely distributed. This offers the potential for local adaptation. The tapeworm Schistocephalus solidus modifies its first intermediate copepod host's predation susceptibility to suit its own needs by reducing its activity before it becomes infective and increasing it thereafter. To investigate potential differences in host manipulation between different populations and test for potential local adaptation with regard to host manipulation, I experimentally infected hosts from two distinct populations with parasites from either population in a fully crossed design...
November 8, 2017: Parasitology
https://www.readbyqxmd.com/read/29103267/intestinal-parasitic-infections-and-environmental-water-contamination-in-a-rural-village-of-northern-lao-pdr
#20
Alexis Ribas, Chloé Jollivet, Serge Morand, Boupha Thongmalayvong, Silaphet Somphavong, Chern-Chiang Siew, Pei-Jun Ting, Saipin Suputtamongkol, Viengsaene Saensombath, Surapol Sanguankiat, Boon-Huan Tan, Phimpha Paboriboune, Kongsap Akkhavong, Kittipong Chaisiri
A field survey studying intestinal parasites in humans and microbial pathogen contamination at environment was performed in a Laotian rural village to identify potential risks for disease outbreaks. A parasitological investigation was conducted in Ban Lak Sip village, Luang Prabang, Lao PDR involving fecal samples from 305 inhabitants as well as water samples taken from 3 sites of the local stream. Water analysis indicated the presence of several enteric pathogens, i.e., Aeromonas spp., Vibrio spp., E. coli H7, E...
October 2017: Korean Journal of Parasitology
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