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https://www.readbyqxmd.com/read/28290266/improved-diagnosis-of-trichuris-trichiura-by-using-a-bead-beating-procedure-on-ethanol-preserved-stool-samples-prior-to-dna-isolation-and-the-performance-of-multiplex-real-time-pcr-for-intestinal-parasites
#1
Maria M M Kaisar, Eric A T Brienen, Yenny Djuardi, Erliyani Sartono, Maria Yazdanbakhsh, Jaco J Verweij, Taniawati Supali, Lisette VAN Lieshout
For the majority of intestinal parasites, real-time PCR-based diagnosis outperforms microscopy. However, the data for Trichuris trichiura have been less convincing and most comparative studies have been performed in populations with low prevalence. This study aims to improve detection of T. trichuria DNA in human stool by evaluating four sample preparation methods. Faecal samples (n = 60) were collected at Flores island, Indonesia and examined by microscopy. Aliquots were taken and a bead-beating procedure was used both on directly frozen stool and on material preserved with 96% ethanol...
March 14, 2017: Parasitology
https://www.readbyqxmd.com/read/28286754/prokaryotic-expression-of-%C3%AE-13-giardin-gene-and-its-intracellular-localization-in-giardia-lamblia
#2
Xingang Yu, Auwalu Yusuf Abdullahi, Sheng Wu, Weida Pan, Xianli Shi, Wei Hu, Liping Tan, Kangxin Li, Zhen Wang, Guoqing Li
To study prokaryotic expression and subcellular localization of α-13 giardin in Giardia lamblia trophozoites, α-13 giardin gene was amplified and cloned into prokaryotic expression vector pET-28a(+). The positive recombinant plasmid was transformed into E. coli BL21(DE3) for expression by using IPTG and autoinduction expression system (ZYM-5052). The target protein was validated by SDS-PAGE and Western blotting and purified by Ni-NTA Resin. Rabbits were immunized with purified fusion proteins for preparation of polyclonal antibody; then the intracellular location of α-13 giardin was determined by fluorescence immunoassay...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28273080/geospatial-distribution-of-intestinal-parasitic-infections-in-rio-de-janeiro-brazil-and-its-association-with-social-determinants
#3
Clarissa Perez Faria, Graziela Maria Zanini, Gisele Silva Dias, Sidnei da Silva, Marcelo Bessa de Freitas, Ricardo Almendra, Paula Santana, Maria do Céu Sousa
BACKGROUND: Intestinal parasitic infections remain among the most common infectious diseases worldwide. This study aimed to estimate their prevalence and provide a detailed analysis of geographical distribution of intestinal parasites in the metropolitan region of Rio de Janeiro, considering demographic, socio-economic, and epidemiological contextual factors. METHODS/PRINCIPAL FINDINGS: The cross-section survey was conducted among individuals attending the Evandro Chagas National Institute of Infectious Diseases (FIOCRUZ, RJ) during the period from April 2012 to February 2015...
March 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28261296/gastrointestinal-disorders-next-to-respiratory-infections-as-leading-symptoms-of-x-linked-agammaglobulinemia-in-children-34-year-experience-of-a-single-center
#4
Malgorzata Pac, Ewa A Bernatowska, Jarosław Kierkuś, Józef P Ryżko, Joanna Cielecka-Kuszyk, Teresa Jackowska, Bożena Mikołuć
INTRODUCTION: Respiratory tract infections constitute the most frequent manifestation of X-linked agammaglobulinemia (XLA). There are not many papers elucidating gastrointestinal (GI) disorders, including inflammatory bowel disease (IBD), in such patients. The aim of the study was to evaluate the occurrence of gastrointestinal disorders and IBD compared to respiratory tract infections in XLA individuals. MATERIAL AND METHODS: Of 1563 patients with primary immunodeficiencies diagnosed in the Department of Immunology, the Children's Memorial Health Institute (CMHI), 66 boys had a provisional diagnosis of agammaglobulinemia...
March 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28257952/in-vitro-immunomodulatory-effects-of-microemulsions-with-levamisole-delivery-systems-on-blood-phagocytes-interacting-with-giardia-lamblia
#5
Mara Rosa Gil Hernandes, Lucélia Campelo Albuquerque Moraes, Elton Brito Ribeiro, Danny Laura Gomes Fagundes, Adenilda Cristina Honorio-França, Eduardo Luzía França
BACKGROUND: Giardiasis is one of the main parasites that infect the gastrointestinal tract of humans, affecting hundreds of millions of people worldwide, particularly in developing countries. Antiparasitics administered to treat giardiasis are inefficient in 20% of the cases, usually because of parasite resistance and side effects. In this scenario, microemulsions are a promising pharmaceutical alternative as carriers of molecules with therapeutic action that stimulate the immune system...
February 28, 2017: Parasitology International
https://www.readbyqxmd.com/read/28228066/dynamic-protein-s-palmitoylation-mediates-parasite-life-cycle-progression-and-diverse-mechanisms-of-virulence
#6
Robert W B Brown, Aabha I Sharma, David M Engman
Eukaryotic parasites possess complex life cycles and utilize an assortment of molecular mechanisms to overcome physical barriers, suppress and/or bypass the host immune response, including invading host cells where they can replicate in a protected intracellular niche. Protein S-palmitoylation is a dynamic post-translational modification in which the fatty acid palmitate is covalently linked to cysteine residues on proteins by the enzyme palmitoyl acyltransferase (PAT) and can be removed by lysosomal palmitoyl-protein thioesterase (PPT) or cytosolic acyl-protein thioesterase (APT)...
April 2017: Critical Reviews in Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28224033/distribution-and-risk-factors-associated-with-intestinal-parasite-infections-among-children-with-gastrointestinal-disorders
#7
Hamed Kiani, Ali Haghighi, Roya Salehi, Eznollah Azargashb
AIM: Prevalence and risk factors associated with intestinal parasites among children ≤ 12 years old in Nahavand county western Iran, was the objective of this search. BACKGROUND: Intestinal parasites (IPs) are important health problems among most societies. METHODS: This cross sectional study was carried out during 6 months from April to September 2014 in Nahavand County western Iran. Fecal samples were collected from 500 children suffering from gastrointestinal disorders (GIDs) and examined by macroscopy and microscopic (using saline and iodine wet mount, formalin-ether sedimentation, Trichrome and modified Ziehl Neelsen staining) methods...
December 2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28224032/prevalence-of-intestinal-parasites-in-referred-individuals-to-the-medical-centers-of-tonekabon-city-mazandaran-province
#8
Samira Shahdoust, Maryam Niyyati, Ali Haghighi, Eznoallah Azargashb, Mohammad Reza Khataminejad
AIM: The aim of the present study was to determine the prevalence of intestinal parasites and their relation with socio-demographic data in referred individuals to the medical centers in Tonekabon, Mazandaran province, 2015. BACKGROUND: Due to the climatic and ecological conditions in Mazandaran province, determination of the status of intestinal parasites among referred individuals to the medical centers of Tonekabon city can help researchers and healthcare services to prevent and/or control of parasitic infection in this region...
December 2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28222400/antiprotozoal-antimycobacterial-and-anti-inflammatory-evaluation-of-cnidoscolus-chayamansa-mc-vaugh-extract-and-the-isolated-compounds
#9
Mariana Z Pérez-González, Gabriel A Gutiérrez-Rebolledo, Lilián Yépez-Mulia, Irma S Rojas-Tomé, Julieta Luna-Herrera, María A Jiménez-Arellanes
Cnidoscolus chayamansa is a medicinal and edible plant known as Chaya, is commonly used as an anti-inflammatory, antiprotozoal, antibacterial agent and as a remedy for respiratory illness, gastrointestinal disorders, and vaginal infections related with the inflammation process. In this paper, we describe the plant's phytochemical analysis and biological activities (antimycobacterial, antibacterial, antiprotozoal, and anti-inflammatory properties) of the CHCl3:MeOH (1:1) leaves extract and isolated compounds, as well as the acute and sub-acute toxic effects...
February 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28216899/antiprotozoal-constituents-from-annona-cherimola-miller-a-plant-used-in-mexican-traditional-medicine-for-the-treatment-of-diarrhea-and-dysentery
#10
Fernando Calzada, Jose Correa-Basurto, Elizabeth Barbosa, David Mendez-Luna, Lilian Yepez-Mulia
BACKGROUND: Annona cherimola Miller (Annonaceae) is a medicinal plant frequently recommended in Mexican traditional medicine for the treatment of gastrointestinal disorders such as diarrhea and dysentery. OBJECTIVE: This work was undertaken to obtain information that support the traditional use of A. cherimola, on pharmacological basis using in vitro and computational experiments. MATERIAL AND METHODS: Bioassay-guided fractionation of the ethanol extract of the leaves of A...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28197763/development-of-t-m-shift-genotyping-method-for-detection-of-cat-derived-giardia-lamblia
#11
Weida Pan, Yeqi Fu, Auwalu Yusuf Abdullahi, Mingwei Wang, Xianli Shi, Fang Yang, Xingang Yu, Xinxin Yan, Pan Zhang, Jianxiong Hang, Guoqing Li
To develop T m -shift genotyping method for detection of cat-derived Giardia lamblia, two sets of primers with two GC-rich tails of unequal length attached to their 5'-end were designed according to two SNPs (BG434 and BG170) of β-giardin (bg) gene, and specific PCR products were identified by inspection of a melting curve on real-time PCR thermocycler. A series of experiments on the stability, sensitivity, and accuracy of T m -shift method was tested, and clinical samples were also detected. The results showed that two sets of primers based on SNP could distinguish accurately between assemblages A and F...
February 15, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28182579/synthesis-and-biological-evaluation-of-newer-1-3-4-oxadiazoles-incorporated-with-benzothiazepine-and-benzodiazepine-moieties
#12
Patel Navin, Patel Sarvil, Purohit Amit, Patel Divyesh, Rajani Dhansukh, Rosa Moo-Puc, Gildardo Rivera
A series of thiazepines and diazepines having 1,3,4-oxadiazole moiety were synthesized, and they were analyzed for their in vitro antimicrobial activity against several bacteria (Staphylococcus aureus, Staphylococcus pyogenes, Escherichia coli, and Pseudomonas aeruginosa) and fungi (Candida albicans, Aspergillus niger, and Aspergillus Clavatus) and protozoa (Entamoeba histolytica, Giardia lamblia, Trypanosoma cruzi and Leishmania mexicana). Few of the selected compounds were tested for their antitubercular activity...
March 1, 2017: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/28167597/epidemiology-of-soil-transmitted-helminth-and-intestinal-protozoan-infections-in-preschool-aged-children-in-the-amhara-region-of-ethiopia
#13
Kristen Aiemjoy, Sintayehu Gebresillasie, Nicole E Stoller, Ayalew Shiferaw, Zerihun Tadesse, Melsew Chanyalew, Solomon Aragie, Kelly Callahan, Jeremy D Keenan
Intestinal parasites are important contributors to global morbidity and mortality and are the second most common cause of outpatient morbidity in Ethiopia. This cross-sectional survey describes the prevalence of soil-transmitted helminths and intestinal protozoa in preschool children 0-5 years of age in seven communities in the Amhara region of Ethiopia, and investigates associations between infection, household water and sanitation characteristics, and child growth. Stool samples were collected from children 0-5 years of age, 1 g of sample was preserved in sodium acetate-acetic acid-formalin, and examined for intestinal helminth eggs and protozoa cysts ether-concentration method...
February 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28154271/diffuse-nodular-lymphoid-hyperplasia-of-the-intestine-caused-by-common-variable-immunodeficiency-and-refractory-giardiasis
#14
Jung Hye Choi, Dong Soo Han, Jieun Kim, Kijong Yi, Young-Ha Oh, Yongsoo Kim
Diffuse nodular lymphoid hyperplasia of the gastrointestinal tract is a rare disease characterized by numerous small polypoid nodules in the small intestine, large intestine, or both. It is associated with immunodeficiency and infection, such as Giardia lamblia and Helicobacter pylori. Although diffuse nodular lymphoid hyperplasia associated with common variable immunodeficiency (CVID) and giardiasis is already known, a few studies have reported a regression of the lymphoid nodules after the eradication of infection...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28153426/factors-affecting-gastrointestinal-absorption-of-levothyroxine-a-review
#15
REVIEW
Marko Skelin, Tomo Lucijanić, Daniela Amidžić Klarić, Arnes Rešić, Miro Bakula, Ana-Marija Liberati-Čizmek, Hossein Gharib, Dario Rahelić
PURPOSE: Levothyroxine (LT4) is a drug with a narrow therapeutic index, applied in small amounts (micrograms), which makes interactions in the absorption phase clinically significant. The main aim of this article was to review and present the latest information on factors that affect the gastrointestinal absorption of this drug. METHODS: Relevant data were collected by using the MEDLINE, PubMed, EMBASE, Web of Science, Science Direct, and Scopus databases with the key words levothyroxine and absorption...
February 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28138377/an-in-vitro-evaluation-of-ozonized-organic-extra-virgin-olive-oil-on-giardia-lamblia-cysts
#16
Najmeh Sadat Boland-Nazar, Zahra Eslamirad, Hossein Sarmadian, Reza Ghasemikhah
BACKGROUND: Giardia lamblia is a common intestinal parasite that has been reported all over the world. OBJECTIVES: This study was conducted to evaluate the effect of ozonized organic extra-virgin olive oil on the cyst of G. lamblia. METHODS: The olive oil was ozonized based on international standards and confirmed by the world health organization (WHO) at various times in a generator. The ozone concentration of olive oil was adjusted at 32, 64, 96, 128, 160 mg/g based on ozone absorption...
November 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/28134428/prevalence-and-seasonal-variation-of-human-intestinal-parasites-in-patients-attending-hospital-with-abdominal-symptoms-in-northern-jordan
#17
A S Jaran
This study was carried out to determine the prevalence of intestinal parasites and their seasonal variation in northern Jordan. A total of 21 906 stool samples were collected over a period of 4 years (2009- 2013) from 5 government hospitals in 3 cities. Samples were processed and examined microscopically and by concentration methods. Parasitic infection was found in 9611 samples (44%). Giardia lamblia was the most prevalent parasite (41%) followed by Entamoeba histolytica (31%) and Ent. coli (13%); the least prevalent parasites were Ascaris lumbricoides (1%), Hymenolepis nana, Taenia sp...
January 23, 2017: Eastern Mediterranean Health Journal, la Revue de Santé de la Méditerranée Orientale
https://www.readbyqxmd.com/read/28129325/correction-dna-topoisomerase-ii-is-involved-in-regulation-of-cyst-wall-protein-genes-and-differentiation-in-giardia-lamblia
#18
Bo-Chi Lin, Li-Hsin Su, Shih-Che Weng, Yu-Jiao Pan, Nei-Li Chan, Tsai-Kun Li, Hsin-Chih Wang, Chin-Hung Sun
[This corrects the article DOI: 10.1371/journal.pntd.0002218.].
January 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28127364/prevalence-of-strongyloides-stercoralis-and-other-intestinal-parasites-among-institutionalized-mentally-disabled-individuals-in-rasht-northern-iran
#19
Amin Saeidinia, Ilnaz Tavakoli, Mohammad Reza Naghipour, Behnaz Rahmati, Hossein Ghavami Lahiji, Omid Salkhori, Keyhan Ashrafi
BACKGROUND: We aimed to determine the status of strongyloidiasis in mentally disabled population in the institutional places in Rasht City, the capital of Guilan Province, northern Iran. METHODS: This cross-sectional study was conducted in 8 institutions for mentally retarded population in Rasht in 2013. Before collecting the samples, a questionnaire was filled out for each participant by an expert person. A single stool sample was obtained from each of the 173 subjects and examined using direct wet mount, formalin-ether concentration technique and agar plate culture method...
October 2016: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28123147/to-a-better-understanding-of-the-giardial-enth-protein-function
#20
Constanza Feliziani, María C Touz
Epsin N-terminal homology (ENTH) domains are present at the N-terminus of either the epsin or epsin-related (epsinR) proteins. These proteins have been involved in clathrin-mediated trafficking and are critical for membrane deformation at the site of vesicle budding. While more than one type of these proteins have been described in many eukaryotic cells, the protozoa parasite Giardia lamblia contains only one member of this ENTH-protein family. In the last two years, four works have been published showing that this giardial protein might play diverse functions...
January 24, 2017: Bioscience Trends
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