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https://www.readbyqxmd.com/read/29140240/case-report-strongyloides-stercoralis-hyperinfection-in-a-patient-with-chronic-lymphocytic-leukemia
#1
Richelle Guerrero-Wooley, Ernesto Aranda-Aguirre, Wencheng Li, Aimee Wilkin, Elizabeth Palavecino
Strongyloides stercoralis is an intestinal nematode that can cause disseminated infection in an immunocompromised host. It is most commonly acquired in developing countries. It was previously a common infection in many parts of the United States, particularly in the Appalachian region, but is rarely identified currently. Here, we describe a patient born and raised in Appalachia, with no history of travel outside the United States, who presented with chronic lymphocytic leukemia and S. stercoralis hyperinfection characterized by acute respiratory failure, altered mental status, and extended-spectrum-beta-lactamase Klebsiella pneumoniae bacteremia...
November 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
#2
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/29136163/ascaris-suum-infection-down-regulates-inflammatory-pathways-in-the-pig-intestine-in-vivo-and-in-human-dendritic-cells-in-vitro
#3
Helene L E Midttun, Nathalie Acevedo, Per Skallerup, Sara Almeida, Kerstin Skovgaard, Lars Andresen, Søren Skov, Luis Caraballo, Irma van Die, Claus B Jørgensen, Merete Fredholm, Stig M Thamsborg, Peter Nejsum, Andrew R Williams
Ascaris suum is a helminth parasite of pigs closely related to its human counterpart, A. lumbricoides, which infects almost one billion people. Ascaris spp. is thought to modulate host immune and inflammatory responses, which may drive immune hyporesponsiveness during chronic infections. Using transcriptomic analysis, we show here that pigs with a chronic A. suum infection have a substantial suppression of inflammatory pathways in the intestinal mucosa, with a broad down-regulation of genes encoding cytokines and antigen-processing and co-stimulatory molecules...
November 9, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29133187/duddingtonia-flagrans-formulated-in-rice-bran-in-the-control-of-oesophagostomum-spp-intestinal-parasite-of-swine
#4
João Victor Facchini Rodrigues, Fabio Ribeiro Braga, Artur Kanadani Campos, Lorendane Millena de Carvalho, Juliana Milani Araujo, Anderson Rocha Aguiar, Carolina Magri Ferraz, Wendeo Ferreira da Silveira, Marisa Caixetta Valadão, Thais de Oliveira, Samuel Galvão de Freitas, Jackson Victor de Araújo
Three experimental assays with Duddingtonia flagrans (isolated AC001) were carried out. The growth of the genus Duddingtonia present in formulation of rice bran, its predatory capability on Oesophagostomum spp. infective larvae (L3) in petri dishes (assay 1), its action in faecal cultures with eggs of that parasite (assay 2) and isolate's capability of predation after passing through gastrointestinal tract of swine (assay 3) was evaluated. At assay 3, feces were collected at time intervals of 12, 24, 36, 48, and 60 h after feed animals with the formulation...
November 10, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/29132437/hap2-a-novel-gene-in-babesia-bigemina-is-expressed-in-tick-stages-and-specific-antibodies-block-zygote-formation
#5
Minerva Camacho-Nuez, Diego Josimar Hernández-Silva, Elizabeth Jacqueline Castañeda-Ortiz, María Elena Paredes-Martínez, Marisol Karina Rocha-Martínez, María Elizbeth Alvarez-Sánchez, Ricardo Francisco Mercado-Curiel, Gabriela Aguilar-Tipacamu, Juan Mosqueda
BACKGROUND: Bovine babesiosis is a tick-borne disease caused by the protozoan parasites of the genus Babesia. In their host vector, Babesia spp. undergo sexual reproduction. Therefore, the development of sexual stages and the subsequent formation of the zygote are essential for the parasite to invade the intestinal cells of the vector tick and continue its life-cycle. HAP2/GCS1 is a protein identified in plants, protozoan parasites and other organisms that has an important role during membrane fusion in fertilization processes...
November 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29130475/immunological-interaction-between-giardia-cyst-extract-and-experimental-toxoplasmosis
#6
Dalia S Ashour, Abeer E Saad, Lamees M Dawood, Yomna Zamzam
Toxoplasmosis is mostly associated with other intestinal parasitic infections especially Giardia due to shared mode of peroral infection. Toxoplasma and Giardia induce a strong T-helper 1- immune response. Our aim is to induce a protective immune response that results in significant impact on intestinal and extra-intestinal phases of Toxoplasma infection. This study was conducted in experimental animals and assessment of Giardia cyst extract effect on Toxoplasma infection was investigated by histopathological examination of small intestine and brain, Toxoplasma cyst count and iNOS staining of the brain, measurement of IFN-γ and TGF-β in intestinal tissues...
November 12, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/29128645/kunitz-type-protease-inhibitor-as-a-vaccine-candidate-against-schistosomiasis-mansoni
#7
Shiwanthi L Ranasinghe, Mary Duke, Marina Harvie, Donald P McManus
OBJECTIVES: To develop a vaccine against schistosomiasis, which is a major challenge due to the complex life cycle of the causative schistosome parasite. METHODS: SmKI-1 is a 16kDa Kunitz type protease inhibitor present in the excretory/secretory products and tegument of adult worms and eggs of Schistosoma mansoni. Two independent vaccine trials were carried out in mice to determine the efficacy of rSmKI-1 in developing protective immunity. RESULTS: The results obtained showed reductions of 23-33% in adult worms, 28-31% in intestinal eggs, 33-39% in fecal eggs and 20-43% in liver eggs...
November 8, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29126996/blastocystis-genetic-diversity-among-children-of-low-income-daycare-center-in-southeastern-brazil
#8
Ana Paula Oliveira-Arbex, Érica Boarato David, Semíramis Guimarães
Blastocystis, an unicellular anaerobic eukaryote, is known to be a very common intestinal parasite found in humans and animals fecal samples worldwide. Currently, there is an increasing interest to yield insights into its prevalence and diversity in human populations living in poor and deprived areas. In this study, we describe the prevalence and genetic variability of Blastocystis isolates obtained from daycare center attendees aged 0 to 6years and staff, as well as some children family members and their dogs in a low-income community in São Paulo State, Brazil...
November 7, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29122715/nematicidal-activity-of-a-water-soluble-lectin-from-seeds-of-moringa-oleifera
#9
Mário Luan Silva de Medeiros, Maiara Celine de Moura, Thiago Henrique Napoleão, Patrícia Maria Guedes Paiva, Luana Cassandra Breitenbach Barroso Coelho, Ana Carla Diógenes Suassuna Bezerra, Michele Dalvina Correia da Silva
Gastrointestinal nematodes are the major cause of animal diseases, and the indiscriminate use of synthetic anthelmintic contributes to the development of drug resistance. Natural bioproducts are noteworthy since they have proved to be promising for alternative antiparasitic therapies. This study evaluated the in vitro effect of WSMoL (water soluble Moringa oleifera lectin) on hatching of eggs and on the development of early-stage larvae of gastrointestinal nematodes from naturally infected goats. In addition, the interference of WSMoL on activity of proteases was determined and the affinity of the lectin for glycosylated molecules of these parasites was investigated using fluorescein isothiocyanate (FITC)-labeled WSMoL...
November 6, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29121978/coinfection-of-intestinal-schistosomiasis-and-malaria-and-association-with-haemoglobin-levels-and-nutritional-status-in-school-children-in-mara-region-northwestern-tanzania-a-cross-sectional-exploratory-study
#10
Safari M Kinung'hi, Humphrey D Mazigo, David W Dunne, Stella Kepha, Godfrey Kaatano, Coleman Kishamawe, Samuel Ndokeji, Teckla Angelo, Fred Nuwaha
BACKGROUND: Schistosomiasis represents a major public health problem in Tanzania despite ongoing national control efforts. This study examined whether intestinal schistosomiasis is associated with malaria and assessed the contribution of intestinal schistosomiasis and malaria on anaemia and undernutrition in school children in Mara region, North-western Tanzania. METHODS: Stool samples were collected from each of 928 school children randomly selected from 5 schools and examined for intestinal schistosomiasis using the Kato Katz method...
November 9, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29119101/effect-of-dual-infection-with-eimeria-tenella-and-subgroup-j-avian-leukosis-virus-on-the-cecal-microbiome-in-specific-pathogen-free-chicks
#11
Ning Cui, Xiuzhen Wang, Qi Wang, Hongmei Li, Fangkun Wang, Xiaomin Zhao
Understanding gut microflora alterations associated with gut parasites and other pathogens that drive these alterations may help to promote the understanding of intestinal flora's role in multiple-infected individuals. This study examined the effects of dual infection with Eimeria tenella and subgroup J avian leukosis virus (ALV-J) on the chick cecal microbiome. Specific-pathogen-free (SPF) chicks were infected with either ALV-J strain NX0101 at 1 day of age or E. tenella at 14 days of age, another group was infected with both pathogens...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29118941/prevalence-and-subtype-identification-of-blastocystis-isolated-from-humans-in-ahvaz-southwestern-iran
#12
Roya Salehi, Ali Haghighi, C Rune Stensvold, Farnaz Kheirandish, Eznelloah Azargashb, Saber Raeghi, Cobra Kohansal, Fares Bahrami
Aim: The aim of the present study was to determine the prevalence and subtype distribution of Blastocystis and its relation with demographic data and symptoms in humans referred to medical centers in Ahvaz 2014-2015. Background: Infections with intestinal parasites are one of the most important threats to human health worldwide, especially in tropical and subtropical areas. Blastocystis sp. is a common parasite of humans with a vast variety of non-human hosts. We aimed to study the prevalence and subtypes of Blastocystis sp...
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/29114386/suppression-of-inflammation-and-tissue-damage-by-a-hookworm-recombinant-protein-in-experimental-colitis
#13
Ivana B Ferreira, Darren A Pickering, Sally Troy, John Croese, Alex Loukas, Severine Navarro
Gastrointestinal parasites, hookworms in particular, have evolved to cause minimal harm to their hosts when present in small numbers, allowing them to establish chronic infections for decades. They do so by creating an immunoregulatory environment that promotes their own survival, but paradoxically also benefits the host by protecting against the onset of many inflammatory diseases. To harness the therapeutic value of hookworms without using live parasites, we have examined the protective properties of the recombinant protein anti-inflammatory protein (AIP)-1, secreted in abundance by hookworms within the intestinal mucosa, in experimental colitis...
October 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/29114134/epidemiological-investigation-of-gastrointestinal-parasites-in-dog-populations-in-basra-province-southern-iraq
#14
Khawla B N Al-Jassim, Yasser S Mahmmod, Zainab M Salem, Azmi Al-Jubury
The understanding of the epidemiology of canine parasitic infections is necessary for an efficient control program to minimize the risk of zoonotic transmission. The objectives of this study were (1) to determine the prevalence of canine gastrointestinal helminths and protozoa in Basra province, Southern Iraq, and (2) to identify the association of epidemiological characteristics (age, breed, gender, and feed type) of dogs with the parasitic infections. A total of 93 fecal samples, collected in the period from December 2014 to June 2015, were examined macroscopically and microscopically for the presence of worm eggs and protozoal oocysts, using centrifugal flotation method...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29114128/efficacy-of-glutathione-s-transferase-purified-antigen-of-the-gastro-intestinal-nematode-haemonchus-contortus-in-diagnosis-of-sheep-haemonchosis
#15
Omnia M Kandil, Irene S Gamil, Seham H M Hendawy, Fatma Medhat, Ola H El-Habit
Haemonchus contortus is one of the most pathogenic and economically important parasites of sheep. Different H. contortus antigens; crude somatic antigen (CSA), excretory/secretory antigen (ESA), crude larval antigen (CLA), glutathione-S-transferase antigen (GST) and recombinant protein (rhcp 26/23) were prepared and characterized using sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE) and western blot. The antigens were immunologically evaluated through indirect enzyme linked immunosorbent assay (ELISA) for diagnosis of haemonchosis in experimentally and naturally infected sheep...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29114121/pathological-studies-on-helminth-parasitic-infection-in-mithun-bos-frontalis
#16
J K Chamuah, B Dutta, D Borkotoky
A pathological study was carried out in different helminth parasite infection organs in 110 animals during the period from 2010 to 2016. Histopathological examination of hydatid cysts in the liver, showed extensive fibrous connective tissue proliferation with eosinophilic and lymphocytic infiltration, in lung, parenchyma showed severe emphysema with infiltration of alveolar macrophages and lymphocytes infiltration. In Toxocara infection, polymorphonuclear infiltration in the sub-mucosa with hyper activity of goblet cells leading to occlusion of the gland was noted in the tissue sections...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29113608/the-brazilian-family-health-strategy-and-the-management-of-intestinal-parasitic-infections
#17
Caroline Ferraz Ignacio, Martha Macedo de Lima Barata, Antonio Henrique Almeida de Moraes Neto
Aim This study analyzed the management of intestinal parasitic infections in the Family Health Strategy covering Brazilian urban slums. BACKGROUND: The Family Health Strategy is the preferred strategy for providing public, community-based primary health care in the Brazilian Unified Health System (SUS). Through this strategy, Family Health teams are responsible for the health of residents of a defined territory, including health promotion, health education and control of neglected tropical diseases such as intestinal parasitic infections...
November 8, 2017: Primary Health Care Research & Development
https://www.readbyqxmd.com/read/29112788/non-strangulating-intestinal-infarctions-associated-with-strongylus-vulgaris-clinical-presentation-and-treatment-outcomes-of-30-horses-2008-2016
#18
T H Pihl, M K Nielsen, S N Olsen, P S Leifsson, S Jacobsen
BACKGROUND: Strongylus vulgaris is re-emerging in horses kept under surveillance-based parasite control regimens. Information on non-strangulating intestinal infarction associated with S. vulgaris is needed in order to improve recognition of the condition. OBJECTIVE: To describe the typical clinical presentation, laboratory findings, gross pathology, treatment and outcome of horses with non-strangulating intestinal infarction. STUDY DESIGN: Retrospective case-series...
November 7, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/29111195/giardia-duodenalis-infection-among-rural-communities-in-yemen-a-community-based-assessment-of-the-prevalence-and-associated-risk-factors
#19
Hesham M Al-Mekhlafi
OBJECTIVE: To investigate the prevalence and risk factors of Giardia infection among rural communities among rural communities in Yemen. METHODS: In this cross-sectional study, a total of 605 stool samples were collected and screened for the presence of Giardia duodenalis (G. duodenalis) cysts and/or trophozoites by using three different diagnostic methods: direct smear, formalin-ether sedimentation, and trichrome staining. A pre-tested questionnaire was used to collect information on the demographic, socioeconomic, behavioural and environmental characteristics of the participants...
October 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/29103276/intestinal-parasite-infections-among-inhabitants-in-yanbian-prefecture-jilin-province-china
#20
Myoung-Ro Lee, Hee-Eun Shin, Byung-Suk Chung, Sang-Eun Lee, Jung-Won Ju, Liji Xu, Chen Long Nan, Mi-Yeoun Park, Shin-Hyeong Cho
To investigate the prevalence of intestinal parasite infections in Yanbian Prefecture, Jilin Province, China, epidemiological surveys were conducted on a collaboration basis between the Korean Centers for Disease Control and Prevention and the Yanbian Center for Disease Control and Prevention. A total of 8,396 (males 3,737 and females 4,659) stool samples were collected from 8 localities and examined with the formalin-ether sedimentation technique, and additionally examined with the cellotape anal swab to detect Enterobius vermicularis eggs...
October 2017: Korean Journal of Parasitology
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