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https://www.readbyqxmd.com/read/28719325/serologic-monitoring-of-public-health-interventions-against-strongyloides-stercoralis
#1
Paola Vargas, Alejandro J Krolewiecki, Adriana Echazú, Marisa Juarez, Pamela Cajal, Jose F Gil, Nicolás Caro, Julio Nasser, Patrick Lammie, Rubén O Cimino
Northwestern Argentina is endemic for soil-transmitted helminths, and annual deworming programs are carried out in prioritized areas. High prevalence of Strongyloides stercoralis was reported in this area; therefore, control programs including ivermectin are being evaluated. The NIE-enzyme linked immunosorbent assay (ELISA) was used for this purpose. In this community trial, two groups of patients, classified according to housing and living conditions were evaluated. Simultaneous with baseline survey, Group 1 was moved to new households with access to improved water and sanitation facilities (W and S), where deworming (MDA, massive drug administration) took place within 1 month; whereas Group 2 received MDA but remained living with unimproved W and S...
July 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28705595/excretory-secretory-antigens-of-strongyloides-venezuelensis-applied-to-igg-detection-in-human-strongyloidosis
#2
Renata A Cunha, Edson F G de Carvalho, José E N de Sousa, Julia M Costa-Cruz
Strongyloidosis is a neglected disease that affects millions of people around the world. The cases that particularly deserve attention are those related to hyperinfection, mainly in immunocompromised patients. In this sense, there is a need to improve the serological diagnosis of this helminth. The objective of this study was therefore to produce and characterize excretory/secretory (E/S) antigens of Strongyloides venezuelensis infective larvae (L3) for use as a heterologous antigen in the diagnosis of human strongyloidosis and other parasitic infection groups...
July 10, 2017: Parasitology International
https://www.readbyqxmd.com/read/28697818/speciation-in-the-genus-cloacina-nematoda-strongylida-species-flocks-and-intra-host-speciation
#3
N B Chilton, M A Shuttleworth, F Huby-Chilton, A V Koehler, A Jabbar, R B Gasser, I Beveridge
Sequences of the first and second internal transcribed spacers (ITS1 + ITS2) of nuclear ribosomal DNA were employed to determine whether the congeneric assemblages of species of the strongyloid nematode genus Cloacina, found in the forestomachs of individual species of kangaroos and wallabies (Marsupialia: Macropodidae), considered to represent species flocks, were monophyletic. Nematode assemblages examined in the black-striped wallaby, Macropus (Notamacropus) dorsalis, the wallaroos, Macropus (Osphranter) antilopinus/robustus, rock wallabies, Petrogale spp...
July 12, 2017: Parasitology
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
#4
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/28691033/prevalence-of-toxoplasma-gondii-and-other-gastrointestinal-parasites-in-domestic-cats-from-households-in-thika-region-kenya
#5
Adele Nyambura Njuguna, John Maina Kagira, Simon Muturi Karanja, Maina Ngotho, Lucy Mutharia, Naomi Wangari Maina
Gastrointestinal (GIT) parasites of domestic cats (Felis catus) not only cause morbidity but are also potential zoonotic agents. The current study aimed at establishing the prevalence of GIT parasites in cats kept by households in Thika region, Kenya. Fecal samples were collected randomly from 103 cats and analyzed for presence of parasites using standard parasitological methods. In descending order, the prevalence of the detected protozoa parasites was Isospora spp. 43.7% (95% CI: 40.4-47%), Cryptosporidium spp...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28687738/a-possible-origin-population-of-pathogenic-intestinal-nematodes-strongyloides-stercoralis-unveiled-by-molecular-phylogeny
#6
Eiji Nagayasu, Myo Pa Pa Thet Hnin Htwe Aung, Thanaporn Hortiwakul, Akina Hino, Teruhisa Tanaka, Miwa Higashiarakawa, Alex Olia, Tomoyo Taniguchi, Soe Moe Thu Win, Isao Ohashi, Emmanuel Igwaro Odongo-Aginya, Khin Myo Aye, Mon Mon, Kyu Kyu Win, Kei Ota, Yukari Torisu, Siripen Panthuwong, Eisaku Kimura, Nirianne M Q Palacpac, Taisei Kikuchi, Tetsuo Hirata, Shidow Torisu, Hajime Hisaeda, Toshihiro Horii, Jiro Fujita, Wah Win Htike, Haruhiko Maruyama
Humans and dogs are the two major hosts of Strongyloides stercoralis, an intestinal parasitic nematode. To better understand the phylogenetic relationships among S. stercoralis isolates infecting humans and dogs and to assess the zoonotic potential of this parasite, we analyzed mitochondrial Cox1, nuclear 18S rDNA, 28S rDNA, and a major sperm protein domain-containing protein genes. Overall, our analyses indicated the presence of two distinct lineages of S. stercoralis (referred to as type A and type B). While type A parasites were isolated both from humans and dogs in different countries, type B parasites were found exclusively in dogs, indicating that the type B has not adapted to infect humans...
July 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28676845/th2-1-hybrid-cells-occurring-in-murine-and-human-strongyloidiasis-share-effector-functions-of-th1-cells
#7
Cristin N Bock, Subash Babu, Minka Breloer, Anuradha Rajamanickam, Yukhti Boothra, Marie-Luise Brunn, Anja A Kühl, Roswitha Merle, Max Löhning, Susanne Hartmann, Sebastian Rausch
Infections by the soil-transmitted threadworm Strongyloides stercoralis affect 30-100 million people worldwide, predominantly in tropic and sub-tropic regions. Here we assessed the T helper cell phenotypes in threadworm-infected patients and experimental murine infections with focus on CD4(+) T cells co-expressing markers of Th2 and Th1 differentiation. We show that mice infected with the close relative S. ratti generate strong Th2 responses characterized by the expansion of CD4(+) GATA-3(+) cells expressing IL-4/-5/-13 in blood, spleen, gut-draining lymph nodes, lung and gut tissue...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28670749/the-severely-under-recognized-public-health-risk-of-strongyloidiasis-in-north-american-cities-a-one-health-approach
#8
REVIEW
S Jariwala, L Redding, D Hewitt
Strongyloides and other soil-transmitted helminths represent a severely under-recognized zoonotic public health risk, especially in North American cities. They are present throughout North America, including in urban areas, causing morbidity and mortality in human and non-human animals. Epidemiological "masking" of strongyloidiasis due to overlapping symptoms with other systemic diseases, including allergies, and diagnostic limitations complicate our understanding of the epidemiological extent of this disease, and auto-infection allows long-term persistence of individual infections...
July 2, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28655989/strongyloides-stercoralis-infection-an-exotic-cause-of-chronic-diarrhea
#9
Dimitrios S Politis, Eleni Triantafyllidi, Konstantinos H Katsanos, Dimitrios K Christodoulou
No abstract text is available yet for this article.
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28655684/profile-of-intestinal-parasitosis-among-school-aged-children-in-kiliba-eastern-dr-congo
#10
C Kyambikwa Bisangamo, P Jabari Mutwa, P Mulongo Mbarambara
This study of feces sought to determine the prevalence of human intestinal parasites in the Kiliba area of the eastern DR Congo. Feces of 602 school children aged from 9 to 20 years were collected from April to June 2014 and examined. Direct analyses were supplemented with the Kato and Ritchie methods. The global prevalence of intestinal parasitosis in school-aged children in the Kiliba area was 91.4 % [95 % CI: 87.6-94.3%]. The frequency of helminthiasis was high at 73.8 % (95 % CI: 68.4-78.6%) and that of protozoa reached 32...
June 1, 2017: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/28651833/severe-intestinal-obstruction-due-to-strongyloides-stercoralis-in-a-pregnant-woman
#11
A Malézieux-Picard, M C Saint-Paul, J Dellamonica, J Courjon, N Tieulié, P Marty, J G Fuzibet, R Collomp, J A Marinho, V Queyrel
No abstract text is available yet for this article.
June 23, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28648589/strongyloides-a-dangerous-unknown
#12
Rosa Escudero Sánchez, Belén Comeche Fernández
No abstract text is available yet for this article.
June 22, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28641722/novel-findings-in-hiv-immune-reconstitution-disease-and-strongyloides-stercoralis-infection
#13
REVIEW
Roberto G Aru, Benjamin M Chilcutt, Saira Butt, Richard D deShazo
We report the successful treatment of an HIV-infected patient with progressive strongyloidiasis as a component of immune reconstitution disease and a review of the literature on this topic. In our experience, pre- and post-antiretroviral therapy intestinal biopsies support a novel mechanism of immune reconstitution disease to Strongyloides stercoralis. We conclude that extended, dual antihelminthic therapy and temporary discontinuation of antiretroviral therapy may be effective in similar patients.
June 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28626636/an-examination-of-endoparasites-and-fecal-testosterone-levels-in-flying-squirrels-glaucomys-spp-using-high-performance-liquid-chromatography-ultra-violet-hplc-uv
#14
Sarah N Waksmonski, Justin M Huffman, Carolyn G Mahan, Michael A Steele
The immuno-competence hypothesis proposes that higher levels of testosterone increases the susceptibility to parasitism. Here we examined the testosterone levels in two species of flying squirrels (Glaucomys): one known to regularly host a nematode species (Strongyloides robustus) without ill effects (G. volans) and a closely related species that is considered negatively affected by the parasite. We quantified fecal testosterone levels in northern and southern flying squirrels (G. sabrinus, G. volans) with high-performance liquid chromatography-ultraviolet spectroscopy (HPLC-UV), and compared levels to endoparasites detected in individual squirrels...
August 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28618740/screening-of-immunocompromised-patients-at-risk-of-strongyloidiasis-in-western-turkey-using-elisa-and-real-time-pcr
#15
Esra Erdem Kivrak, Esra Atalay Şahar, Hüseyin Can, Mert Döşkaya, Mümtaz Yilmaz, Hüsnü Pullukçu, Ayşe Caner, Hüseyin Töz, Adnan Yüksel Gürüz, Meltem Işikgöz Taşbakan
BACKGROUND/AIM: Strongyloides stercoralis causes life-threatening hyperinfection or disseminated strongyloidiasis in immunocompromised patients such as HIV-positive, organ transplantation, and cancer patients. This study investigated the presence of strongyloidiasis in immunocompromised patients for the first time in Turkey. MATERIALS AND METHODS: Serum and stool samples were collected from 108 patients (25.9% of them were chronic renal failure and 74.1% were renal transplantation patients) who were admitted to Ege University Medical School in İzmir, located in western Turkey...
June 12, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28615878/prevalence-and-risk-assessment-of-gastrointestinal-helminthoses-in-dairy-animals-of-bikaner-rajasthan
#16
Kapil Kumar Renwal, Abhishek Gupta, N Kumar, P K Pilania, G S Manohar
A total of 715 faecal sampleswere collected fromdairy animals ofeight tehsils ofBikaner district, Rajasthan during March 2015 to January 2016. An overall prevalence rate of 54.12 % was recorded for gastrointestinal helminthoses with highly statistical difference among dairy animals (p < 0.01). Quantitative analysis revealed mild to high severity of strongyle and Strongyloides sp. infections in cattle population, respectively whereas, mild severities of same infections were reported from the buffalo population of the region...
June 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28615864/prevalence-of-gastro-intestinal-parasites-in-pigs-in-punjab-india
#17
Mandeep Kaur, Balbir Bagicha Singh, Rajnish Sharma, Jatinder Paul Singh Gill
Gastrointestinal parasites are a common problem in pigs in India. The important risk factors include coprophagic behaviour of pigs and their free access to garbage. To investigate the gastrohelmenthic spectrum in pigs of Punjab, we examined 265 faecal samples from farm (n = 47) and scavenging pigs (n = 218) using faecal floatation method. Ascaris suum, unsporulated oocysts, Trichuris spp. and Strongyloides were recorded in 27.5, 15.4, 1.8 and 4.5 % of the pig faecal samples, respectively. Overall prevalence was significantly higher in pigs >1 year (56...
June 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28615851/gastrointestinal-helminthosis-prevalence-and-associated-determinants-in-goats-of-jabalpur-india
#18
Alok Kumar Dixit, Giridhari Das, Ramesh Pratap Singh Baghel
A total of 632 faecal samples of goats of Jabalpur district of Madhya Pradesh state were examined during three years of the study period (November 2012-October 2015), out of which 82.75 % samples were positive for helminthic infections. Among various helminths, maximum prevalence was of strongyles (32.59 %) followed by amphistomes (14.40 %), Moniezia spp. (12.50 %), Strongyloides spp. (0.79 %), Trichuris spp. (0.47 %) and Fasciolagigantica (0.32 %). Year wise prevalence revealed a highly significant (p < 0...
June 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28614685/strongyloides-stercoralis-hyperinfection
#19
Heidi H McDonald, Milton Moore
A 47-year-old man who had lived in Laos and was taking prednisone for dermatomyositis presented with a 4-day history of abdominal pain, fever, melena, and hemoptysis and a 2-week history of rash. One month before presentation, he had been hospitalized and treated with high-dose glucocorticoids for..
June 15, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28599633/prevalence-of-intestinal-parasitic-infection-and-associated-risk-factors-among-village-health-volunteers-in-rural-communities-of-southern-thailand
#20
Chuchard Punsawad, Nonthapan Phasuk, Suchirat Bunratsami, Kanjana Thongtup, Niramon Siripakonuaong, Somchok Nongnaul
BACKGROUND: Intestinal parasitic infections remain prevalent and constitute a public health problem in certain rural areas of Thailand. Village health volunteers (VHVs), who are members of a Thai healthcare alliance, function as key providers of health prevention measures, disease control, and health education and share national health promotion campaigns with community members. This study is aimed at evaluating the prevalence, intensity, and risk factors for intestinal parasitic infection in VHVs in order to design community awareness and health education campaigns for the target population...
June 9, 2017: BMC Public Health
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