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https://www.readbyqxmd.com/read/27905282/distribution-of-parasites-detected-in-stool-samples-of-patients-admitted-to-our-parasitology-laboratory-during-a-three-year-period-between-2012-and-2014
#1
Mehmet Burak Selek, Bayhan Bektöre, Ergenekon Karagöz, Orhan Baylan, Mustafa Özyurt
OBJECTIVE: Parasitic diseases are among the major public health issues worldwide. A number of tests are available for diagnosis, but the sentivity and specifity of these tests are assumed to be insufficient. Nevertheless, the most common diagnostic method is microscopic examination. In this study, we aimed to introduce the distribution of parasites detected in stool samples of patients admitted to our laboratory on the basis of parameters such as, age, and gender during a 3-year period between 2012 and 2014...
September 2016: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/27903290/assessing-the-burden-of-intestinal-parasites-affecting-newly-arrived-immigrants-in-qatar
#2
Marawan A Abu-Madi, Jerzy M Behnke, Ahmed Ismail, Sonia Boughattas
BACKGROUND: In the last decades, the enormous influx of immigrants to industrialized countries has led to outbreaks of parasitic diseases, with enteric infections being amongst the most frequently encountered. In its strategy to control such infection, Qatar has established the Pre-Employment Certificate (PEC) program which requires medical inspection before arrival in Qatar and which is mandatory for immigrant workers travelling to the country. To assess the reliability of the PEC, we conducted a survey of intestinal parasites, based on examination of stool samples provided by immigrant workers (n = 2,486) recently arrived in Qatar...
December 1, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27900419/measurement-of-giardia-lamblia-adhesion-force-using-an-integrated-microfluidic-assay
#3
Ling Lu, Guo-Xia Zheng, Yu-Suo Yang, Cheng-Yu Feng, Fang-Fang Liu, Yun-Hua Wang
The mechanisms how Giardias attach to the intestinal epithelium remain unclear. None of the methods currently being used to measure the attachment force could provide a continuous nutrition supply and a micro-aerobic atmosphere to the Giardia. Besides, they are all labor-intensive. In the present research, a microfluidic method based on electric circuit analogy was developed. The input fluid flowed through the inlet channel with different lengths and was distributed in four assay chambers. Shear force gradients were generated in chambers, too...
November 30, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27892847/international-adoption-from-ethiopia-an-overview-of-the-health-status-at-arrival-in-belgium
#4
Lydia Van Kesteren, Marek Wojciechowski
BACKGROUND: Ethiopia is a densely populated country with a fast growing economy. Still socioeconomic and health issues render many children parentless. One thousand and twenty eight Ethiopian children have been adopted in Belgium from September 2005 to September 2015. Little has been published about their health status at arrival. METHODS: Three hundred and fifteen children adopted from Ethiopia were clinically evaluated at the Institute of Tropical Medicine in Antwerp from 1 January 2008 until 31 December 2014...
November 28, 2016: Acta Clinica Belgica
https://www.readbyqxmd.com/read/27891182/case-control-study-of-diarrheal-disease-etiology-in-individuals-over-5%C3%A2-years-in-southwest-china
#5
Shun-Xian Zhang, Chun-Li Yang, Wen-Peng Gu, Lin Ai, Emmanuel Serrano, Pin Yang, Xia Zhou, Shi-Zhu Li, Shan Lv, Zhi-Sheng Dang, Jun-Hu Chen, Wei Hu, Li-Guang Tian, Jia-Xu Chen, Xiao-Nong Zhou
BACKGROUND: Acute diarrhea is one of the major public health problems worldwide. Most of studies on acute diarrhea have been made on infants aged below 5 years and few efforts have been made to identify the etiological agents of acute diarrhea in people over five, especially in China. METHODS: 271 diarrhea cases and 149 healthy controls over 5 years were recruited from four participating hospitals between June 2014 and July 2015. Each stool specimen was collected to detect a series of enteric pathogens, involving five viruses (Rotavirus group A, RVA; Norovirus, NoV; Sapovirus, SaV; Astrovirus, As; and Adenovirus, Ad), seven bacteria (diarrheagenic Escherichia coli, DEC; non-typhoidal Salmonella, NTS; Shigella spp...
2016: Gut Pathogens
https://www.readbyqxmd.com/read/27885466/molecular-epidemiology-and-multilocus-sequence-analysis-of-potentially-zoonotic-giardia-spp-from-humans-and-dogs-in-jamaica
#6
Mellesia F Lee, Paul Cadogan, Sarah Eytle, Sonia Copeland, Julia Walochnik, John F Lindo
Giardia spp. are the causative agents of intestinal infections in a wide variety of mammals including humans and companion animals. Dogs may be reservoirs of zoonotic Giardia spp.; however, the potential for transmission between dogs and humans in Jamaica has not been studied. Conventional PCR was used to screen 285 human and 225 dog stool samples for Giardia targeting the SSU rDNA gene followed by multilocus sequencing of the triosephosphate isomerase (tpi), glutamate dehydrogenase (gdh), and β-giardin (bg) genes...
November 25, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27885465/multilocus-sequence-analysis-of-giardia-spp-isolated-from-patients-with-diarrhea-in-austria
#7
Mellesia F Lee, Herbert Auer, John F Lindo, Julia Walochnik
Giardia duodenalis is a protozoan parasite causing intestinal infections in a wide range of mammals. Two distinct assemblages, A and B, infect humans predominantly; however, both are believed to be generally zoonotic. Giardia strains associated with infections in Austria have not been investigated at the molecular level. In this study, 65 human stool samples microscopically positive for Giardia spp. were subjected to DNA isolation and nested PCR targeting fragments of the glutamate dehydrogenase (gdh), triose phosphate isomerase (tpi), and beta-gardin (bg) genes...
November 25, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27884121/prevalence-and-risk-factors-of-intestinal-protozoan-infections-a-population-based-study-in-rural-areas-of-boyer-ahmad-district-southwestern-iran
#8
Bahador Sarkari, Ghasem Hosseini, Mohammad Hossein Motazedian, Mohammad Fararouei, Abdolali Moshfe
BACKGROUND: Parasitic infections are still a significant health problem in rural areas in developing countries including Iran. There is no recent population-based data about the prevalence of human intestinal parasites in most rural areas of Iran. The current study aimed to determine the prevalence of intestinal protozoan infection in inhabitants of rural areas of Boyer-Ahmad district, Southwestern Iran. METHODS: A total of 1025 stool samples were collected from the inhabitant of 50 randomly selected villages in Boyer-Ahmad Township...
November 25, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27876969/molecular-detection-of-giardiasis-among-children-at-cairo-university-pediatrics-hospitals
#9
Marwa A Ghieth, Magd A Kotb, Enas Y Abu-Sarea, Ayman A El-Badry
Giardiasis is a prevailing intestinal disease in children. This study aimed to determine molecular prevalence of Giardia intestinalis in children attending Cairo University Pediatrics Hospitals, using copro-PCR assays, conventional methods and to evaluate diagnostic effectiveness of used tests. 229 fecal samples were collected from children suffering from gastrointestinal symptoms and examined for Giardia by microscopy, Immuno-chromatographic test (ICT), copro-DNA using two PCR assays targeting tpi [nested-PCR (nPCR)] and 18S [conventional-PCR (cPCR)] genes...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27876915/effect-of-olive-leaf-satureja-khuzestanica-and-allium-sativum-extracts-on-giardia-lamblia-cysts-compared-with-metronidazole-in-vitro
#10
Sh Fallahi, A Rostami, B Delfan, Y Pournia, M Rashidipour
Giardia lamblia is one of the common causes of worldwide diarrhea in children. Appropriate medicinal treatment for giardiasis is available but there are some evidences of drug resistance, insufficient efficacy, and unpleasant side effects. In order to reach a more natural drug with suitable efficacy and the lowest side effects, the effects of the hydroalcoholic extracts of olive leaf, Satureja khuzestanica, and Allium sativum on G. lamblia cysts were evaluated in vitro, as well as antigiardial effect of the extracts was compared with metronidazole as the drug of choice...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27876910/low-sensitivity-of-the-immunocardstat-%C3%A2-crypto-giardia-rapid-assay-test-for-the-detection-of-giardia-and-cryptosporidium-in-fecal-samples-from-children-living-in-libreville-central-africa
#11
M K Bouyou-Akotet, M Owono-Medang, M N Moussavou-Boussougou, M Mabika Mamfoumbi, R Mintsa-Nguema, D P Mawili-Mboumba, M Kombila
Giardiasis and cryptosporidiosis are now recognized as neglected tropical parasitic diseases. The risk of their dissemination  in developing countries, such as Gabon, is increasing, due to urban crowding and poor sanitation. Accurate, simple and rapid diagnosis tools are thus necessary for the estimation of their real burden. The aim of this study was to evaluate the performances of the ImmunocardSTAT(®)Crypto/Giardia Rapid Assay test for the detection of Cryptosporidium (C.) spp. and Giardia (G.) duodenalis in children living in Libreville, Gabon...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27871871/paleoparasitological-analysis-of-the-extinct-myotragus-balearicus-bate-1909-artiodactyla-caprinae-from-mallorca-balearic-islands-western-mediterranean
#12
Victor Hugo Borba Nunes, Josep Antoni Alcover, Valmir Laurentino Silva, Paula Borba Cruz, José Roberto Machado-Silva, Adauto José Gonçalves de Araújo
Myotragus balearicus (Artiodactyla, Caprinae) is an extinct caprine endemic of the Eastern Balearic Islands or Gymnesics (i.e., Mallorca, Menorca and surrounding islets, Western Mediterranean Sea). In spite of its small size, c. 50cm height at the shoulder, it was the largest mammal inhabiting these islands until the human arrival, and it had peculiar short legs and frontal vision. It disappeared between 2830 and 2210calBCE. The coprolites here studied were recovered from Cova Estreta, in Pollença, Mallorca...
November 18, 2016: Parasitology International
https://www.readbyqxmd.com/read/27867026/artemisinin-and-its-derivatives-in-treating-protozoan-infections-beyond-malaria
#13
REVIEW
Cecilia Shi Ni Loo, Nelson Siu Kei Lam, Deying Yu, Xin-Zhuan Su, Fangli Lu
Many parasitic protozoan diseases continue to rank among the world's greatest global health problems, which are also common among poor populations. Currently available drugs for treatment present drawbacks, urging the need for more effective, safer, and cheaper drugs. Artemisinin (ART) and its derivatives are some of the most important classes of antimalarial agents originally derived from Artemisia annua L. However, besides the outstanding antimalarial and antischistosomal activities, ART and its derivatives also possess activities against other parasitic protozoa...
November 17, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/27864857/protein-sumoylation-is-involved-in-cell-cycle-progression-and-cell-morphology-in-giardia-lamblia
#14
Bruno M Di Genova, Richard C da Silva, Júlia P C da Cunha, Pablo R Gargantini, Renato A Mortara, Renata R Tonelli
The unicellular protozoa Giardia lamblia is a food- and waterborne parasite that causes giardiasis. This illness is manifested as acute and self-limited diarrhea and can evolve to long-term complications. Successful establishment of infection by Giardia trophozoites requires adhesion to host cells and colonization of the small intestine, where parasites multiply by mitotic division. The tight binding of trophozoites to host cells occurs by means of the ventral adhesive disc, a spiral array of microtubules and associated proteins such as giardins...
November 19, 2016: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/27864674/interactions-between-giardia-duodenalis-sm-proteins-and-their-association-with-spliceosomal-snrnas
#15
Vanessa Gómez, Moisés Wasserman
Giardia duodenalis is a parasite that colonises the intestines of humans and other vertebrates, causing diarrhoea and poor nutrient absorption. G. duodenalis is sometimes considered an early diverging eukaryote, and its genome exhibits simplified molecular machinery for many cellular processes, which makes it an interesting model to study. The spliceosome, one of the most complex molecular machines in the eukaryotic cell, is responsible for intron excision and exon splicing. Just over a decade ago, it was believed that the G...
November 18, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27864517/an-extensive-burden-of-giardiasis-associated-with-intestinal-schistosomiasis-and-anaemia-in-school-children-on-the-shoreline-of-lake-albert-uganda
#16
Hajri Al-Shehri, Michelle C Stanton, James E LaCourse, Aaron Atuhaire, Moses Arinaitwe, Aida Wamboko, Moses Adriko, Narcis B Kabatereine, J Russell Stothard
BACKGROUND: Water-borne parasitic diseases associated with poverty still blight the lives of African school children. In Uganda, intestinal schistosomiasis is still common along the shoreline of Lake Albert, despite ongoing control, and co-infection with giardiasis and malaria is poorly described. To shed light on putative interactions between diseases, a prospective cross-sectional parasitological survey was undertaken in five primary schools. METHODS: Stool samples from 254 school children, aged 5-10 years, were examined by microscopy and rapid diagnostic tests (RDTs), with additional real-time PCR assays for detection of Giardia DNA...
November 17, 2016: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27861635/multiplex-real-time-pcr-assay-targeting-eight-parasites-customized-to-the-korean-population-potential-use-for-detection-in-diarrheal-stool-samples-from-gastroenteritis-patients
#17
Eun Jeong Won, Soo Hyun Kim, Seung Jung Kee, Jong Hee Shin, Soon Pal Suh, Jong Yil Chai, Dong Wook Ryang, Myung Geun Shin
Intestinal parasitic diseases occur worldwide and can cause diarrhea or gastroenteritis; however, their diagnosis is quite difficult, especially in low-endemism countries. We developed a multiplex real-time PCR assay for detection of eight intestinal parasites and prospectively evaluated it for patients with gastroenteritis. The assay targeted Cryptosporidium parvum, Giardia lamblia, Entamoeba histolytica, Blastocystis hominis, Dientamoeba fragilis, Clonorchis sinensis, Metagonimus yokogawai, and Gymnophalloides seoi...
2016: PloS One
https://www.readbyqxmd.com/read/27859890/phosphorylation-of-serine-148-in-giardia-lamblia-end-binding-1-protein-is-important-for-cell-division
#18
Juri Kim, Hye Yeon Lee, Kyu-Ho Lee, Soon-Jung Park
Giardia lamblia is a unicellular organism, showing a polarity with two nuclei and cytoskeletal structures. Accurate positioning of these organelles is essential for division of G. lamblia, which is poorly understood. G. lamblia end-binding 1 (GlEB1) protein and G. lamblia aurora kinase (GlAK) have been shown to modulate microtubule (MT) distribution during cytokinesis. A direct association between GlEB1 and GlAK was demonstrated. Like GlEB1, GlAK was also found at nuclear envelopes and median bodies of G. lamblia...
November 16, 2016: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/27859745/prevalence-of-enteropathogens-in-dogs-attending-3-regional-dog-parks-in-northern-california
#19
K L Hascall, P H Kass, J Saksen, A Ahlmann, A V Scorza, M R Lappin, S L Marks
BACKGROUND: The prevalence and risk factors for infection with enteropathogens in dogs frequenting dog parks have been poorly documented, and infected dogs can pose a potential zoonotic risk for owners. HYPOTHESIS/OBJECTIVES: To determine the prevalence and risk factors of infection with enteropathogens and zoonotic Giardia strains in dogs attending dog parks in Northern California and to compare results of fecal flotation procedures performed at a commercial and university parasitology laboratory...
November 2016: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/27853120/multiplex-touchdown-pcr-to-simultaneously-detect-cryptosporidium-parvum-giardia-lamblia-and-cyclospora-cayetanensis-the-major-causes-of-traveler-s-diarrhea
#20
Ji-Hun Shin, Sang-Eun Lee, Tong Soo Kim, Da-Won Ma, Jong-Yil Chai, Eun-Hee Shin
This study aimed to develop a multiplex-touchdown PCR method to simultaneously detect 3 species of protozoan parasites, i.e., Cryptosporidium parvum, Giardia lamblia, and Cyclospora cayetanensis, the major causes of traveler's diarrhea and are resistant to standard antimicrobial treatments. The target genes included the Cryptosporidium oocyst wall protein for C. parvum, Glutamate dehydrogenase for G. lamblia, and 18S ribosomal RNA (18S rRNA) for C. cayetanensis. The sizes of the amplified fragments were 555, 188, and 400 bps, respectively...
October 2016: Korean Journal of Parasitology
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