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https://www.readbyqxmd.com/read/27925069/helminth-parasites-of-galictis-cuja-carnivora-mustelidae-from-localities-in-the-atlantic-forest-of-brazil
#1
Pilar Corrêa, Cecília Bueno, Fabiano Matos Vieira, Luís Cláudio Muniz-Pereira
The current study aimed to investigate the helminth parasites of a population of Galictis cuja (Carnivora, Mustelidae) that occur in Atlantic Forest in the Southeastern region of Brazil. We necropsied 18 specimens of G. cuja, collected between January 2009 and May 2014, ran over victims on BR-040 highway, between the municipalities of Duque de Caxias, state of Rio de Janeiro and Juiz de Fora, state of Minas Gerais, localities inserted in Atlantic rainforest Biome. A total of six species of helminths were identified: Dioctophyme renale, Molineus elegans, Physaloptera sp...
December 1, 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27903301/high-prevalence-of-strongyloides-stercoralis-in-school-aged-children-in-a-rural-highland-of-north-western-ethiopia-the-role-of-intensive-diagnostic-work-up
#2
Aranzazu Amor, Esperanza Rodriguez, José M Saugar, Ana Arroyo, Beatriz López-Quintana, Bayeh Abera, Mulat Yimer, Endalew Yizengaw, Derejew Zewdie, Zimman Ayehubizu, Tadesse Hailu, Wondemagegn Mulu, Adriana Echazú, Alejandro J Krolewieki, Pilar Aparicio, Zaida Herrador, Melaku Anegagrie, Agustín Benito
BACKGROUND: Soil-transmitted helminthiases (hookworms, Ascaris lumbricoides and Trichuris trichiura) are extremely prevalent in school-aged children living in poor sanitary conditions. Recent epidemiological data suggest that Strongyloides stercoralis is highly unreported. However, accurate data are essential for conducting interventions aimed at introducing control and elimination programmes. METHODS: We conducted a cross-sectional survey of 396 randomly selected school-aged children in Amhara region in rural area in north-western Ethiopia, to assess the prevalence of S...
December 1, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27894367/potential-immunological-markers-for-diagnosis-of-human-strongyloidiasis-using-heterologous-antigens
#3
M A Corral, F M Paula, D M C L Meisel, V L P Castilho, E M N Gonçalves, D Levy, S P Bydlowski, P P Chieffi, W Castro-Borges, R C B Gryschek
Strongyloides venezuelensis is a parasitic nematode of rodents that is frequently used to obtain heterologous antigens for immunological diagnosis of human strongyloidiasis. The aim of this study was to identify antigens from filariform larvae of S. venezuelensis for immunodiagnosis of human strongyloidiasis. Soluble and membrane fractions from filariform larvae of S. venezuelensis were obtained in phosphate saline (SS and SM) and in Tris-HCl buffer (TS and TM), and were analysed by Western blotting. Different antigenic components were recognized by IgG antibodies from the sera of strongyloidiasis patients...
November 29, 2016: Parasitology
https://www.readbyqxmd.com/read/27888660/strongyloides-in-cerebrospinal-fluid
#4
Ya Xu, Neda Zarrin-Khameh
No abstract text is available yet for this article.
November 26, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27884406/-clinical-approach-to-imported-eosinophilia
#5
Elías Cañas García-Otero, Julia Praena-Segovia, Maite Ruiz-Pérez de Pipaón, Xerach Bosh-Guerra, Magdalena Sánchez-Agüera, Daniel Álvarez-Martínez, José Miguel Cisneros-Herreros
Eosinophilia is a common finding in international travelers and immigrants, being an helmintic infection its main etiology. The positive predictive value of eosinophilia for an helmintosis is low in travellers. Eosinophilia may be an incidental finding, or symptomatic, and it represents a clinical challenge due to the low sensitivity and specificity of direct and indirect parasitological diagnostic tests, respectively. It requires a structured approach based on geographical areas, environmental exposures and behavioral risks, and associated symptoms...
December 2016: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/27877170/comparison-of-s-stercoralis-serology-performed-on-dried-blood-spots-and-on-conventional-serum-samples
#6
Fabio Formenti, Dora Buonfrate, Rosanna Prandi, Monica Marquez, Cintia Caicedo, Eleonora Rizzi, Angel G Guevara, Yosselin Vicuña, Francisco R Huerlo, Francesca Perandin, Zeno Bisoffi, Mariella Anselmi
Background: Dried blood spots (DBS) are used for epidemiological surveys on infectious diseases in settings where limited resources are available. In fact, DBS can help to overcome logistic difficulties for the collection, transport and storage of biological specimens. Objective: To evaluate the accuracy of Strongyloides stercoralis serology performed on DBS. Methods: A survey was proposed to children attending a school in the village of Borbon, Ecuador, and to their parents/guardians. Each participant gave consent to the collection of both serum and DBS specimens...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27876945/a-case-of-fatal-gastrointestinal-haemorrhage-due-to-hyperinfection-with-strongyloides-stercoralis
#7
Dina Abdallah Zaghlool, Amal Ali Hassan, Asmaa Moustafa Moustafa, Wael Ahmed Shahin
Strongyloides stercoralis is an intestinal nematode with a complex life cycle. It is usually asymptomatic in healthy host however it may be a life threatening condition in immunocompromised patients when hyperinfection is associated with disseminated disease. However, reports of gastric involvement are rare. This is a case report of fatal gastrointestinal hemorrhage due to hyperinfection with S. stercoralis in a Burmawi male patient after brief corticosteroid therapy.
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27876909/prevalence-of-gastrointestinal-parasites-in-bovines-in-and-around-junagadh-gujarat
#8
B R Maharana, Binod Kumar, N R Sudhakar, S K Behera, T K Patbandha
Coprological examination of 416 bovine faecal samples revealed the presence of parasitic stages of Toxocara vitulorum, strongyles, Strongyloides spp., Fasciola spp., amphistomes, coccidia (Eimeria spp. and Cryptosporidium spp.) and Buxtonella sulcata. About 42 % (n = 302) faecal samples from cattle and 36 % (n = 114) samples from buffaloes were positive for gastrointestinal (GI) parasitic infections. Both cattle (14.57 %) and buffalo (15.79 %) had the highest incidence of Buxtonella sulcata, respectively...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27872753/multifunctional-thioredoxin-like-protein-from-the-gastrointestinal-parasitic-nematodes-strongyloides-ratti-and-trichuris-suis-affects-mucosal-homeostasis
#9
Dana Ditgen, Emmanuela M Anandarajah, Jan Hansmann, Dominic Winter, Guido Schramm, Klaus D Erttmann, Eva Liebau, Norbert W Brattig
The cellular redox state is important for the regulation of multiple functions and is essential for the maintenance of cellular homeostasis and antioxidant defense. In the excretory/secretory (E/S) products of Strongyloides ratti and Trichuris suis sequences for thioredoxin (Trx) and Trx-like protein (Trx-lp) were identified. To characterize the antioxidant Trx-lp and its interaction with the parasite's mucosal habitat, S. ratti and T. suis Trx-lps were cloned and recombinantly expressed. The primary antioxidative activity was assured by reduction of insulin and IgM...
2016: Journal of Parasitology Research
https://www.readbyqxmd.com/read/27862705/screening-of-living-organ-donors-for-endemic-infections-understanding-the-challenges-and-benefits-of-enhanced-screening
#10
REVIEW
Amanda Rosen, Michael G Ison
Living organ donor candidates are screened for medical and psychosocial contraindications to donation. One important goal of this process is to prevent donor-derived infectious diseases transmissions. These transmissions are exceptionally rare, but have the potential to cause significant morbidity and mortality. The Organ Procurement and Transplantation Network now requires each recovery hospital to develop a protocol for evaluating living donors for tuberculosis and other geographically-defined endemic pathogens, including Trypanosoma cruzi (the causative pathogen of Chagas' disease), Strongyloides stercoralis, and West Nile Virus (WNV), in addition to universal screening for blood-borne pathogens...
November 14, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/27860061/strongyloides-hyperinfection-following-hematopoietic-stem-cell-transplant-in-a-patient-with-htlv-1-associated-t-cell-leukemia
#11
Jonathan D Alpern, Sophie S Arbefeville, Gregory Vercellotti, Patricia Ferrieri, Jaime S Green
Strongyloides stercoralis has the potential to cause accelerated autoinfection in immunocompromised hosts. Screening tests for strongyloidiasis may be falsely negative in the setting of immunosuppression. We report a case of Strongyloides hyperinfection syndrome in a patient with human T-lymphotropic virus type 1-associated T-cell leukemia early after hematopoietic stem cell transplant. The diagnosis was made by stool ova and parasite examination, despite a negative screening enzyme-linked immunosorbent assay...
November 17, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/27853126/epidemiological-characteristics-of-strongyloidiasis-in-inhabitants-of-indigenous-communities-in-borneo-island-malaysia
#12
Romano Ngui, Noor Amira Abdul Halim, Yamuna Rajoo, Yvonne Al Lim, Stephen Ambu, Komalaveni Rajoo, Tey Siew Chang, Lu Chan Woon, Rohela Mahmud
Epidemiological study on strongyloidiasis in humans is currently lacking in Malaysia. Thus, a cross-sectional study was carried out to determine the prevalence of Strongyloides stercoralis infection among the inhabitants of longhouse indigenous communities in Sarawak. A single stool and blood sample were collected from each participant and subjected to microscopy, serological and molecular techniques. Five species of intestinal parasites were identified by stool microscopy. None of the stool samples were positive for S...
October 2016: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/27851400/1765-strongyloides-an-unusual-cause-of-diffuse-alveolar-hemorrhage-in-an-immunocompromised-host
#13
Shyam Kapadia, William Mazalewski, Chakrapol Sriaroon, Ricardo Restrepo
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27821584/microbial-translocation-associated-with-an-acute-phase-response-and-elevations-in-mmp-1-ho-1-and-pro-inflammatory-cytokines-in-strongyloides-stercoralis-infection
#14
Anuradha Rajamanickam, Saravanan Munisankar, Yukthi Bhootra, Chandrakumar Dolla, Thomas B Nutman, Subash Babu
Microbial translocation, characterized by elevated levels of lipopolysaccharide (LPS) and related markers, is a common occurrence in HIV and some parasitic infections. This is usually associated with extensive inflammation and immune activation. To examine the occurrence of microbial translocation and the associated inflammatory response in asymptomatic, Strongyloides stercoralis (Ss) infection, we measured the plasma levels of LPS and other microbial translocation markers, acute-phase proteins, inflammatory markers, and pro-inflammatory cytokines in individuals with (INF) or without (UN) Ss infections...
November 7, 2016: Infection and Immunity
https://www.readbyqxmd.com/read/27795876/a-study-of-parasitic-and-bacterial-pathogens-associated-with-diarrhea-in-hiv-positive-patients
#15
Siddharth Shah, Vaishali Kongre, Varun Kumar, Renu Bharadwaj
INTRODUCTION: Diarrhea is a common complication of acquired immune deficiency syndrome (AIDS), occurring in almost 90% of AIDS patients in developing countries like India. The present study was aimed to determine the prevalence and microbiological profile of pathogens associated with diarrhea in human immunodeficiency virus (HIV) positive patients and their relation to CD4 counts. MATERIALS AND METHODS: Forty-five successive HIV-positive patients, 27 with diarrhea (study group) and 18 without diarrhea (control group), were included in the three-month study...
September 27, 2016: Curēus
https://www.readbyqxmd.com/read/27794473/strongyloidiasis-in-ontario-performance-of-diagnostic-tests-over-a-14-month-period
#16
Michelle Dao Dong, Nessika Karsenti, Rachel Lau, Filip Ralevski, Karamjit Cheema, Laura Burton, Michael Klowak, Andrea K Boggild
BACKGROUND: We evaluated the performance of stool microscopy, serology, and real time PCR (qPCR) for the diagnosis of strongyloidiasis at our reference laboratory. METHODS: Using a convenience sample of specimens submitted between April 1, 2014 and May 31, 2015, positivity rates and performance characteristics were calculated. RESULTS: During the enrolment period, 17,933 stool specimens were examined for O&P, 14 of which were positive for Strongyloides larvae...
October 26, 2016: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/27790963/comparison-between-merthiolate-iodine-formalin-and-kato-katz-methods-for-the-diagnosis-of-human-helminth-infections-in-resource-limited-settings
#17
R N Incani, T Homan, E Pinelli, L Mughini-Gras, H Guevara, J Jesus
Diagnosis of intestinal parasites through examination of fresh faecal samples is hampered by its unpleasantness and the urgent need to detect all parasitic forms. In this paper, we compared the standard Kato-Katz (KK) technique with a traditional fixation method, the merthiolate-iodine-formalin (MIF) method. Two hundred and twenty-seven faecal samples from individuals living in a rural setting in Venezuela with high to moderate prevalences of Ascaris lumbricoides (Al), Trichuris trichiura (Tt) and hookworm infections were examined...
October 28, 2016: Journal of Helminthology
https://www.readbyqxmd.com/read/27790284/pulmonary-strongyloidiasis-masquerading-as-exacerbation-of-chronic-obstructive-pulmonary-disease
#18
Gourahari Pradhan, Priyadarshini Behera, Manoj Kumar Panigrahi, Sourin Bhuniya, Prasanta Raghab Mohapatra, Jyotirmayee Turuk, Srujana Mohanty
Pulmonary strongyloidiasis is an uncommon presentation of Strongyloides infection, usually seen in immunocompromised hosts. The manifestations are similar to that of acute exacerbation of chronic obstructive pulmonary disease (COPD). Therefore, the diagnosis of pulmonary strongyloidiasis could be challenging in a COPD patient, unless a high index of suspicion is maintained. Here, we present a case of Strongyloides hyperinfection in a COPD patient mimicking acute exacerbation, who was on chronic steroid therapy...
October 2016: Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/27787210/the-prevalence-of-helminth-parasites-in-pelophylax-nigromaculatus-anura-ranidae-from-shanghai-china
#19
Qifei Men, Hongyu Han, Qiping Zhao, Weili Xia, Hui Dong, Shunhai Zhu, Ziwen Wang, Cong Li, Xuelong Zhu, Bing Huang
Parasites are ubiquitous members of biotic communities. To investigate the infective status of helminth parasites in Pelophylax nigromaculatus from Shanghai, 90 frogs were collected from July 2013 to July 2014 and examined for the presence of internal parasites. Of these, 86.67% (78/90) of frogs were infected with parasites, the total helminth intensity within infected frogs ranged from 1 to 367, and the mean intensity was 28.49. The infection rates and intensities were 78.89% and 22.89 for trematodes, 50.00% and 5...
December 1, 2016: Acta Parasitologica
https://www.readbyqxmd.com/read/27785599/prevalence-and-risk-factors-for-gastrointestinal-parasites-in-small-scale-pig-enterprises-in-central-and-eastern-uganda
#20
Kristina Roesel, Ian Dohoo, Maximilian Baumann, Michel Dione, Delia Grace, Peter-Henning Clausen
In Eastern Africa, small-scale pig keeping has emerged as a popular activity to generate additional household income. Infections of pigs with gastrointestinal helminths can limit production output, increase production costs, and pose zoonotic risks. A cross-sectional, community-based study in three districts in Eastern and Central Uganda examined the prevalence of gastrointestinal helminthes and associated risk factors in 932 randomly sampled pigs. Using the combined sedimentation-flotation method, 61.4 % (58...
October 26, 2016: Parasitology Research
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