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https://www.readbyqxmd.com/read/29351392/young-mice-expel-the-tapeworm-hymenolepis-diminuta-and-are-protected-from-colitis-by-triggering-a-memory-response-with-worm-antigen
#1
Toshio Arai, Fernando Lopes, Adam Shute, Arthur Wang, Derek M McKay
Infection with helminth parasites reduces the severity of concomitant inflammatory disease in adult mice. There is an alarming increase of IBD in children. It is important to determine if helminth therapy would be of value in pediatric IBD, and if triggering immunological memory to the worm would be anti-colitic. Three-week (young) and eight-week (adult) old Balb/c mice were infected with H. diminuta, and infectivity and T helper (TH)-2 immunity assessed. Other mice received H. diminuta {plus minus} a crude worm extract (HdE) 28-42 days post-infection (dpi) {plus minus} dinitrobenzene sulphonic acid (DNBS; 1...
January 4, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29318125/prevalence-of-intestinal-parasites-in-food-handlers-of-bandar-abbas-southern-iran
#2
Mehrgan Heydari-Hengami, Yaghoob Hamedi, Majid Najafi-Asl, Khojasteh Sharifi-Sarasiabi
Background: Food handlers play a significant role in the dissemination and transmission of enteropathogenic microorganisms, including intestinal parasites. The aim of this study was to determine the prevalence of intestinal parasites in food handlers of Bandar Abbas, southern Iran. Methods: In this cross-sectional study, 800 stool samples were randomly collected in a period of 6 months from Jun to Nov 2015. The diagnosis was made on direct wet mount, formalin-ether concentration, Ziehl-Neelsen, and Trichrome stained slides...
January 2018: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/29317882/helminth-infections-of-rodents-and-their-zoonotic-importance-in-boyer-ahmad-district-southwestern-iran
#3
Mohammad Javad Ranjbar, Bahador Sarkari, Gholam Reza Mowlavi, Zeinab Seifollahi, Abdolali Moshfe, Samaneh Abdolahi Khabisi, Iraj Mobedi
Background: Rodents are considered as reservoirs of various zoonotic diseases including helminthic infections. The current study aimed to evaluate the prevalence of helminth infections in rodents, in Boyer-Ahmad district, Southwestern Iran. Methods: Overall, 52 rodents were captured from various areas of the district by Sherman live traps. The animals were then euthanized and dissected. During necropsy, each organ was examined macroscopically for presence of any cyst or visible parasite...
October 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/29301814/eosinophilia-a-marker-of-asymptomatic-strongyloides-infection-in-a-young-patient-with-extrapulmonary-tuberculosis
#4
Hirotomo Yamanashi, Sinsuke Kanbara, Kunihiko Murase, Takahiro Maeda
Strongyloides stercoralis infection is a common and neglected public health problem in many areas of the world. Here we report the case of a 21-year-old woman who emigrated from Cambodia to Japan and presented with swelling of the right supraclavicular region of 2 months' duration. She had no other symptoms. Tuberculous lymphadenitis was diagnosed based on a fine-needle aspiration biopsy of the right supraclavicular lymph node. The laboratory examination revealed mild eosinophilia (eosinophils 1348/µL).S. stercoralis and Hymenolepis nana were detected serologically and in faeces examination...
January 4, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29217943/intestinal-parasitosis-and-their-associated-factors-among-people-living-with-hiv-at-university-of-gondar-hospital-northwest-ethiopia
#5
Tegegne Eshetu, Getinet Sibhatu, Mohammed Megiso, Abrham Abere, Habtamu Wondifraw Baynes, Belete Biadgo, Ayalew Jejaw Zeleke
Background: Most HIV clients die of AIDS related intestinal parasitic infections rather than due to the HIV infection itself. Therefore, this study was aimed at determining the prevalence of intestinal parasite and their associated factors among HIV/AIDS clients at the University of Gondar Hospital, Northwest Ethiopia. Methods: Institution based cross sectional study was conducted using systematic random sampling technique from March to May 2016. A semi-structured questionnaire was used to collect data...
July 2017: Ethiopian Journal of Health Sciences
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
#6
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/29157281/identification-of-immunogenic-proteins-of-the-cysticercoid-of-hymenolepis-diminuta
#7
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/29155829/environmental-and-socio-demographic-individual-family-and-neighborhood-factors-associated-with-children-intestinal-parasitoses-at-iguaz%C3%A3%C2%BA-in-the-subtropical-northern-border-of-argentina
#8
Maria Romina Rivero, Carlos De Angelo, Pablo Nuñez, Martín Salas, Carlos E Motta, Alicia Chiaretta, Oscar D Salomón, Song Liang
BACKGROUND: Intestinal parasitoses are a major concern for public health, especially in children from middle and low-income populations of tropical and subtropical areas. We examined the presence and co-infection of parasites in humans as well as parasitic environmental contamination in Puerto Iguazú, Argentina. We explored the environmental and socio-demographic characteristics of the persistence of parasites in children and their environment. METHODOLOGY/PRINCIPAL FINDINGS: This cross-section survey was conducted among children population comprised into the area of the public health care centers of Iguazú during June 2013 to May 2016...
November 20, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29141752/differences-in-nutritional-and-health-status-in-school-children-from-the-highlands-and-lowlands-of-bolivia
#9
Graciela Terán, Washington Cuna, Froilán Brañez, Kristina E M Persson, Martín E Rottenberg, Susanne Nylén, Celeste Rodriguez
Children in the Bolivian Andes are exposed to endemic infections and meager nourishment, and live under poor hygienic conditions. The prevention of children malnutrition is a priority in many countries including Bolivia. In this study, the health status of schoolchildren in Taraco, a Puna district, at 4,000 meters above sea level (masl) and in Caranavi, at 650 masl in the wealthier subtropical valleys, was compared. The weight, height, and hematological and biochemical parameters in blood, parasites in stool, and clinical information in 120 children from rural Taraco and in 96 from semi-urban Caranavi, both predominantly of Aymara ethnicity, were registered...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29138640/prevalence-of-soil-transmitted-helminthiases-and-schistosomiasis-in-preschool-age-children-in-mwea-division-kirinyaga-south-district-kirinyaga-county-and-their-potential-effect-on-physical-growth
#10
Stephen Sifuna Wefwafwa Sakari, Amos K Mbugua, Gerald M Mkoji
Intestinal parasitic infections can significantly contribute to the burden of disease, may cause nutritional and energetic stress, and negatively impact the quality of life in low income countries of the world. This cross-sectional study done in Mwea irrigation scheme, in Kirinyaga, central Kenya, assessed the public health significance of soil-transmitted helminthiases (STH), schistosomiasis, and other intestinal parasitic infections, among 361 preschool age children (PSAC) through fecal examination, by measuring anthropometric indices, and through their parents/guardians, by obtaining sociodemographic information...
2017: Journal of Tropical Medicine
https://www.readbyqxmd.com/read/29114494/giardiasis-mimicking-celiac-disease-in-a-patient-of-common-variable-immunodeficiency
#11
Kumar Saurabh, Vijaya Lakshmi Nag, Daisy Khera, Poonam Elhence
An adolescent boy presented to pediatrics outpatient department with complaints of recurrent diarrhea, nausea, vomiting, and pedal edema since 3-4 months, with no relief even after taking treatment. His investigation revealed decreased serum IgA, IgG, and IgM levels with hypoproteinemia. Duodenal biopsy showed features of celiac disease (CD), but tissue transglutaminase IgA was negative. In stool examination, plenty of Giardia lamblia cysts and eggs of Hymenolepis nana were present. He improved on treatment and remained asymptomatic for 4 months...
July 2017: Tropical Parasitology
https://www.readbyqxmd.com/read/29103267/intestinal-parasitic-infections-and-environmental-water-contamination-in-a-rural-village-of-northern-lao-pdr
#12
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
https://www.readbyqxmd.com/read/29064448/production-and-use-of-hymenolepis-diminuta-cysticercoids-as-anti-inflammatory-therapeutics
#13
Kendra Smyth, Claire Morton, Amanda Mathew, Sahil Karuturi, Cliff Haley, Min Zhang, Zoie E Holzknecht, Chelsea Swanson, Shu S Lin, William Parker
Helminthic therapy has shown considerable promise as a means of alleviating some inflammatory diseases that have proven resistant to pharmaceutical intervention. However, research in the field has been limited by a lack of availability to clinician scientists of a helminth that is relatively benign, non-communicable, affordable, and effectively treats disease. Previous socio-medical studies have found that some individuals self-treating with helminths to alleviate various diseases are using the rat tapeworm (cysticercoid developmental stage of Hymenolepis diminuta; HDC)...
October 24, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/29062858/identification-of-hymenolepis-diminuta-cysticercoid-larvae-in-tribolium-castaneum-coleoptera-tenebrionidae-beetles-from-iran
#14
Mahsa Sadat Makki, Gholamreza Mowlavi, Farideh Shahbazi, Mohammad Reza Abai, Faezeh Najafi, Bibi Razieh Hosseini-Farash, Salma Teimoori, Hamid Hasanpour, Saied Reza Naddaf
BACKGROUND: Hymenolepis diminuta is a cestod of rodents and rarely infects humans. Infection in humans is via ingestion of infected insects. This study was aimed to detect H. diminuta cysticercoids in red flour beetles, Tribolium castaneum, and cockroaches originated from different regions of Iran. METHODS: The red flour beetles and cockroaches were collected from local bakeries in five cities including Tehran, Ahvaz, Kazerun, and Sabzevar during 2010-2011. Some beetles and cockroaches were colonized in insectary and adults from F1 generation were fed on H...
June 2017: Journal of Arthropod-borne Diseases
https://www.readbyqxmd.com/read/29017635/hymenolepis-diminuta-and-rodentolepis-nana-hymenolepididae-cyclophyllidea-in-urban-rodents-of-gran-la-plata-association-with-socio-environmental-conditions
#15
B Fitte, M R Robles, A Dellarupe, J M Unzaga, G T Navone
The aim of this survey was to study two Hymenolepididae species in urban rodents, Rattus rattus and Rattus norvegicus, and to analyse factors that favour their presence in the environment and pose a sanitary risk. Hymenolepis diminuta and Rodentolepis nana were found in R. rattus and R. norvegicus in different proportions. Values of prevalence, mean abundance and mean intensity were recorded, and new morphometric characters were described, adding to previously known information. No significant differences were found...
October 11, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/29017622/analysis-of-lead-pollution-levels-within-an-urban-ecosystem-using-the-cestode-hymenolepis-diminuta-and-its-rat-hosts-as-bioindicators
#16
M A Tripodi, D Hancke, O V Suarez
The overall goal of this study was to use the Rattus spp./Hymenolepis diminuta model to assess environmental lead pollution in different landscape units of an urban ecosystem. Rats of the genus Rattus were collected from three shanty towns and three residential neighbourhoods of the city of Buenos Aires. Concentrations of lead in the livers of wild rats and in their parasite H. diminuta were measured using inductively coupled plasma mass spectrometry (ICP-MS). The landscape unit and tissue type had a significant effect on lead concentration, being higher in residential neighbourhoods as well as in H...
October 11, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/28969776/the-efficacy-of-the-supramolecular-complexes-of-niclosamide-obtained-by-mechanochemical-technology-and-targeted-delivery-against-cestode-infection-of-animals
#17
Ivan A Arkhipov, Konstantin M Sadov, Yulia V Limova, Alexandra K Sadova, Anastasiya I Varlamova, Salavat S Khalikov, Alexandr V Dushkin, Yulia S Chistyachenko
Niclosamide is an anthelmintic that is widely used to treat cestode infection of animals. The efficacy of the supramolecular complexes of niclosamide obtained by mechanochemical technology and targeted delivery was studied in hymenolepiosis of mice and monieziosis of sheep. The efficacy of new substances of niclosamide with polyvinylpyrrolidone polymer in different ratios (1:10; 1:5; 1:2) was determined by the results of helminthological necropsy of the small intestine of sheep and mice. Pre-treatment eggs per gram (EPG) were not significantly different (P>0...
November 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28969118/spectrum-of-parasitic-infections-in-patients-with-diarrhoea-attending-a-tertiary-care-hospital-in-western-rajasthan-india
#18
Kumar Saurabh, Vijaya Lakshmi Nag, Saroj Dash, Anand Kumar Maurya, Vivek Hada, Richa Agrawal, Himanshu Narula, Anuradha Sharma
INTRODUCTION: Owing to the poor socioeconomic conditions and lack of sanitary hygiene, a large number of population in developing countries remain under constant threat of different parasitic infections causing severe morbidity and mortality. Enough measures to prevent and reduce the disease burden are still to be undertaken. AIM: Aim of the study was to determine the spectrum of parasitic infections in patients with complaints of diarrhoea and other gastrointestinal symptoms attending a tertiary care hospital in Western Rajasthan, India...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28935004/intestinal-parasites-and-anthelmintic-treatments-in-a-laboratory-colony-of-wild-caught-african-pouched-rats-cricetomys-ansorgei
#19
Cassandra O Cullin, Matthew S Sellers, Erin R Rogers, Kathleen E Scott, Danielle N Lee, Alexander G Ophir, Todd A Jackson
African giant pouched rats (Cricetomys spp.) are large rodents native to subSaharan Africa. Wild-caught pouched rats identified as Cricetomys ansorgei (n = 49) were imported from Tanzania. A survey of gastrointestinal parasitism by fecal flotation revealed the presence of multiple parasites, including Nippostrongylus spp., Heterakis spp., Trichuris spp., Hymenolepis spp., Raillietina spp., and Eimeria spp. Oral self-administered fenbendazole (150 ppm), topical moxidectin (2 mg/kg), pyrantel pamoate (15 mg/kg), piperazine (100 mg/kg daily), and injectable ivermectin (0...
October 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28924741/spectrum-of-infectious-diseases-among-newly-arrived-eritrean-refugees-in-switzerland-a-cross-sectional-study
#20
Afona Chernet, Andreas Neumayr, Christoph Hatz, Kerstin Kling, Véronique Sydow, Katharina Rentsch, Jürg Utzinger, Nicole Probst-Hensch, Hanspeter Marti, Beatrice Nickel, Niklaus D Labhardt
OBJECTIVES: Our study aimed at determining the prevalence of selected infectious diseases among recently arrived Eritrean refugees in Switzerland. METHODS: In this cross-sectional study, asymptomatic Eritrean migrants aged ≥16 years who arrived <24 months ago were recruited at refugee centres in Switzerland. Infectious disease screening included serology for HIV, hepatitis B and C, syphilis and schistosomiasis, polymerase chain reaction (PCR) for malaria, stool microscopy for helminths and intestinal protozoa and circulating cathodic antigen (CCA) testing in urine for schistosomiasis...
September 19, 2017: International Journal of Public Health
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