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https://www.readbyqxmd.com/read/29677205/anemia-in-tuberculosis-cases-and-household-controls-from-tanzania-contribution-of-disease-coinfections-and-the-role-of-hepcidin
#1
Jerry Hella, Colin I Cercamondi, Francis Mhimbira, Mohamed Sasamalo, Nicole Stoffel, Marcel Zwahlen, Thomas Bodmer, Sebastien Gagneux, Klaus Reither, Michael B Zimmermann, Lorenz Risch, Lukas Fenner
BACKGROUND: Tuberculosis (TB) induces a systemic inflammatory state affecting iron homeostasis. Patients with TB often have additional comorbidities such as anemia which can result in poorer treat outcomes. We studied the contribution of anemia and the role of the iron regulatory hormone hepcidin among TB patients and household contacts. METHODS: We analyzed serum samples from 102 TB cases and 98 controls without TB, matched by age/sex, for hepcidin, iron, and inflammation parameters...
2018: PloS One
https://www.readbyqxmd.com/read/29673736/soil-transmitted-helminth-treatment-multiple-drug-regimens
#2
Simon J Brooker
No abstract text is available yet for this article.
April 16, 2018: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29673735/efficacy-and-tolerability-of-triple-drug-therapy-with-albendazole-pyrantel-pamoate-and-oxantel-pamoate-compared-with-albendazole-plus-oxantel-pamoate-pyrantel-pamoate-plus-oxantel-pamoate-and-mebendazole-plus-pyrantel-pamoate-and-oxantel-pamoate-against-hookworm
#3
Wendelin Moser, Somphou Sayasone, Syda Xayavong, Bangon Bounheuang, Maxim Puchkov, Jörg Huwyler, Jan Hattendorf, Jennifer Keiser
BACKGROUND: Albendazole and mebendazole are commonly used to control hookworm, but have shortcomings in their efficacy profiles. We assessed whether triple drug therapy (TDT) with albendazole, pyrantel pamoate, and oxantel pamoate was more effective than the co-administration of two drugs for the treatment of hookworm infections. METHODS: A randomised, single-blind trial was done from Sept 27 until Nov 17, 2017, in Laos. Children (6-15 years) from six schools were invited to participate...
April 16, 2018: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29670630/helminth-infections-recognition-and-modulation-of-the-immune-response-by-innate-immune-cells
#4
REVIEW
Claudia Cristina Motran, Leonardo Silvane, Laura Silvina Chiapello, Martin Gustavo Theumer, Laura Fernanda Ambrosio, Ximena Volpini, Daiana Pamela Celias, Laura Cervi
The survival of helminths in the host over long periods of time is the result of a process of adaptation or dynamic co-evolution between the host and the parasite. However, infection with helminth parasites causes damage to the host tissues producing the release of danger signals that induce the recruitment of various cells, including innate immune cells such as macrophages (Mo), dendritic cells (DCs), eosinophils, basophils, and mast cells. In this scenario, these cells are able to secrete soluble factors, which orchestrate immune effector mechanisms that depend on the different niches these parasites inhabit...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29670252/urbanization-and-the-gut-microbiota-in-health-and-inflammatory-bowel-disease
#5
REVIEW
Tao Zuo, Michael A Kamm, Jean-Frédéric Colombel, Siew C Ng
In the 21st century, urbanization represents a major demographic shift in developed and developing countries. Rapid urbanization in the developing world has been associated with an increasing incidence of several autoimmune diseases, including IBD. Patients with IBD exhibit a decrease in the diversity and richness of the gut microbiota, while urbanization attenuates the gut microbial diversity and might have a role in the pathogenesis of IBD. Environmental exposures during urbanization, including Westernization of diet, increased antibiotic use, pollution, improved hygiene status and early-life microbial exposure, have been shown to affect the gut microbiota...
April 18, 2018: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29668708/dectin-1-2-induced-autocrine-pge2-signaling-licenses-dendritic-cells-to-prime-th2-responses
#6
Maria M M Kaisar, Manuel Ritter, Carlos Del Fresno, Hulda S Jónasdóttir, Alwin J van der Ham, Leonard R Pelgrom, Gabriele Schramm, Laura E Layland, David Sancho, Clarissa Prazeres da Costa, Martin Giera, Maria Yazdanbakhsh, Bart Everts
The molecular mechanisms through which dendritic cells (DCs) prime T helper 2 (Th2) responses, including those elicited by parasitic helminths, remain incompletely understood. Here, we report that soluble egg antigen (SEA) from Schistosoma mansoni, which is well known to drive potent Th2 responses, triggers DCs to produce prostaglandin E2 (PGE2), which subsequently-in an autocrine manner-induces OX40 ligand (OX40L) expression to license these DCs to drive Th2 responses. Mechanistically, SEA was found to promote PGE2 synthesis through Dectin-1 and Dectin-2, and via a downstream signaling cascade involving spleen tyrosine kinase (Syk), extracellular signal-regulated kinase (ERK), cytosolic phospholipase A2 (cPLA2), and cyclooxygenase 1 and 2 (COX-1 and COX-2)...
April 18, 2018: PLoS Biology
https://www.readbyqxmd.com/read/29668679/similarities-and-differences-between-helminth-parasites-and-cancer-cell-lines-in-shaping-human-monocytes-insights-into-parallel-mechanisms-of-immune-evasion
#7
Prakash Babu Narasimhan, Leor Akabas, Sameha Tariq, Naureen Huda, Sasisekhar Bennuru, Helen Sabzevari, Robert Hofmeister, Thomas B Nutman, Roshanak Tolouei Semnani
A number of features at the host-parasite interface are reminiscent of those that are also observed at the host-tumor interface. Both cancer cells and parasites establish a tissue microenvironment that allows for immune evasion and may reflect functional alterations of various innate cells. Here, we investigated how the phenotype and function of human monocytes is altered by exposure to cancer cell lines and if these functional and phenotypic alterations parallel those induced by exposure to helminth parasites...
April 18, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29668133/helminth-eggs-as-parasitic-indicators-of-fecal-contamination-in-agricultural-irrigation-water-biosolids-soils-and-pastures
#8
María Claudia Campos, Milena Beltrán, Nancy Fuentes, Gerardo Moreno
INTRODUCTION: A very common practice in agriculture is the disposal of wastewater and biosolids from water treatment systems due to their high nutrient content, which substantially improves crop yields. However, the presence of pathogens of fecal origin creates a sanitary risk to farmers and consumers. OBJECTIVE: To determine the presence and concentration of helminth eggs in irrigation waters, biosolids, agricultural soils, and pastures. MATERIALS AND METHODS: Water, biosolids, soil, and pasture samples were collected and analyzed for helminth egg detection, total eggs and viable eggs counts...
March 15, 2018: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/29666821/probiotics-for-the-control-of-helminth-zoonosis
#9
REVIEW
Abadi Amare Reda
This paper is a comprehensive, concise, and an up to date review about probiotics effect and mechanisms against helminth infections of zoonotic importance. Zoonoses are diseases that can be transmitted from animals to humans in a reversible way. Despite zoonotic helminth diseases being still a challenge to the public health and the agriculture industries globally, they were still neglected in both human and veterinary medicine. Moreover, the increasing emergence of anthelmintic drug resistance constitutes failures of most disease control strategies, alarming for a quest to new alternative control approaches...
2018: Journal of Veterinary Medicine
https://www.readbyqxmd.com/read/29664657/enterobius-vermicularis-a-cause-of-abdominal-pain-mimicking-acute-appendicitis-in-children-a-retrospective-cohort-study
#10
Mohamed Zouari, Hamid Louati, Imen Abid, Fatma Trabelsi, Mahdi Ben Dhaou, Mohamed Jallouli, Riadh Mhiri
BACKGROUND: Enterobius vermicularis (EV) is the most common helminthic infection in the world. This small parasite is predominant in the pediatric population. The presence of EV in the appendix can cause or mimick appendicitis. The aim of our study was to compare patients with EV infection and those without EV infection, and to identify predictive factors that may help the diagnosis of EV infection in patients presenting with right iliac fossa pain and avoid negative appendectomy. METHODS: A retrospective analysis of all the appendices removed between January 2012 and December 2016 was conducted at the department of pediatric surgery, Hedi Chaker Hospital, Sfax, Tunisia...
February 1, 2018: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/29662884/transmission-of-helminths-between-species-of-ruminants-in-austria-appears-more-likely-to-occur-than-generally-assumed
#11
Jakob Winter, Steffen Rehbein, Anja Joachim
Helminth infections of the gastrointestinal tract and lungs can lead to devastating economical losses to the pastoral based animal production. Farm animals can suffer from malnutrition, tissue damage, and blood loss resulting in impaired production traits and reproduction parameters. In Austria, pastures grazed by sheep, goats, and cattle overlap with the habitats of several species of wild cervids (roe deer, red deer, sika deer, and fallow deer) and bovids (mouflon, chamois, and ibex), and transmission of parasites between different ruminant species seems likely...
2018: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29659015/possible-repurposing-of-pyrvinium-pamoate-for-the-treatment-of-mesothelioma-a-pre-clinical-assessment
#12
Marcella Barbarino, Daniele Cesari, Riccardo Intruglio, Paola Indovina, Asadoor Namagerdi, Franca Maria Bertolino, Maria Bottaro, Delaram Rahamani, Cristiana Bellan, Antonio Giordano
Malignant mesothelioma (MM) is a very aggressive asbestos-related cancer, whose incidence is increasing worldwide. Unfortunately, no effective therapies are currently available and the prognosis is extremely poor. Recently, the anti-helminthic drug pyrvinium pamoate has attracted a strong interest for its anti-cancer activity, which has been demonstrated in many cancer models. Considering the previously established inhibitory effect of pyrvinium pamoate on the Wnt/β-catenin pathway and given the important role of this pathway in MM, we investigated the potential anti-tumor activity of this drug in MM cell lines...
April 16, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29657395/prevalence-of-liver-flukes-infections-and-hydatidosis-in-slaughtered-sheep-and-goats-in-nishapour-khorasan-razavi-iran
#13
Majid Aminzare, Mohammad Hashemi, Samaneh Yaghoobi Faz, Mojtaba Raeisi, Hassan Hassanzadazar
Background: Food-borne trematode infections and hydatidosis are endemic diseases caused by helminths in Iran that are responsible for great economic loss and getting public health at risk. Aim: Aim of this study was to determine the prevalence of fasciolosis, dicrocoeliasis, and hydatidosis infections in slaughtered sheep and goats in Nishapour, Khorasan Razavi province of Iran. Materials and Methods: A survey was implemented on 130,107 sheep and goats slaughtered at an abattoir in Nishapour (Neyshbur) city, north central Khorasan Razavi Province, Iran, to determine the prevalence of fascioliasis, dicrocoeliosis and presence of hydatidosis...
February 2018: Veterinary World
https://www.readbyqxmd.com/read/29653264/helminth-infection-in-mice-improves-insulin-sensitivity-via-modulation-of-gut-microbiota-and-fatty-acid-metabolism
#14
Fernanda Pace, Bruno M Carvalho, Tamires M Zanotto, Andrey Santos, Dioze Guadagnini, Kelly L C Silva, Maria Carolina S Mendes, Guilherme Z Rocha, Silmara M Alegretti, Gustavo A Santos, Rodrigo R Catharino, Rita Paroni, Franco Folli, Mário José A Saad
Intestinal helminths are prevalent in individuals who live in rural areas of developing countries, where obesity, type 2 diabetes, and metabolic syndrome are rare. In the present study, we analyzed the modulation of the gut microbiota in mice infected with the helminth Strongyloides venezuelensis, and fed either a standard rodent chow diet or high-fat diet (HFD). To investigate the effects of the microbiota modulation on the metabolism, we analyzed the expression of tight-junction proteins present in the gut epithelium, inflammatory markers in the serum and tissue and quantified glucose tolerance and insulin sensitivity and resistance...
April 10, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29649604/clonorchis-sinensis-omega-class-glutathione-transferases-are-reliable-biomarkers-for-serodiagnosis-of-clonorchiasis-and-opisthorchiasis
#15
J-G Kim, C-S Ahn, B Sripa, K S Eom, I Kang, W-M Sohn, Y Nawa, Y Kong
OBJECTIVES: To determine the potential for immunodiagnostic application of two recombinant forms of Clonorchis sinensis omega-class glutathione transferases (rCsGSTo1 and rCsGSTo2) against human small liver-fluke C. sinensis and Opisthorchis viverrini infections. METHODS: Specific antibody levels against rCsGSTo1 and rCsGSTo2 in patients' sera of egg-positive opisthorchiasis (n = 87) and clonorchiasis (n = 120), as well as those in sera from patients with other helminthic infections (n = 252) and healthy controls (n = 40) were retrospectively analyzed by enzyme-linked immunosorbent assay (ELISA)...
April 9, 2018: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29649563/isolation-and-characterization-of-a-novel-serine-protease-inhibitor-sjspi-from-schistosoma-japonicum
#16
Ying Zhang, Jin Guo, Li He, Hong-Ying Zong, Guo-Bin Cai
Serine proteinase inhibitor (Serpin, SPI) is a vital superfamily of endogenous inhibitors that monitor proteolytic events active in a number of biological functions. In this study, we isolated a full length gene encoding a novel serine protease inhibitor of Schistosoma japonicum (SjSPI) and characterized its molecular properties. Our result showed that SjSPI contained an open reading frame of 1,218 bp, which encoded 405 amino acid residues. Chromosomal structure analysis showed that SjSPI gene was comprised of six exons separated by five introns...
April 9, 2018: Parasitology International
https://www.readbyqxmd.com/read/29627858/first-detection-of-echinococcus-granulosus-sensu-stricto-g1-in-dogs-in-central-sudan
#17
Rihab Ali Omer, Arwid Daugschies, Sandra Gawlowska, Ayman Elnahas, Peter Kern, Sofia Bashir, Mohammed Sir Alkhatim Ali, Amin Osman, Thomas Romig
Eighty-four stray dogs shot as a part of a governmental rabies control program in two neighboring towns of central Sudan were examined for the presence of Echinococcus spp. and other intestinal helminths. Echinococcus worms were identified to species level by PCR and gene sequencing. For comparative reasons, rectal content of the necropsied dogs was examined for helminth eggs and subjected to copro-PCR for Echinococcus. At necropsy, 51.2% (43/84) of the dogs harbored Echinococcus canadensis (G6/7) worms with worm burdens ranging from 22,000 to 80,000...
April 7, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29626554/physical-activity-and-dual-disease-burden-among-south-african-primary-schoolchildren-from-disadvantaged-neighbourhoods
#18
Markus Gerber, Ivan Müller, Cheryl Walter, Rosa du Randt, Larissa Adams, Stefanie Gall, Nandi Joubert, Siphesihle Nqweniso, Danielle Smith, Peter Steinmann, Nicole Probst-Hensch, Jürg Utzinger, Uwe Pühse
People from low- and middle-income countries still face challenges stemming from parasitic infections. Additionally, non-communicable diseases (NCDs) and their risk factors are rapidly increasing, which puts South African children at an elevated risk of a dual disease burden, with negative consequences for child development and wellbeing. Contrastingly, regular physical activity (PA) is associated with decreased cardiovascular disease (CVD) risk. Therefore, the objective of this study was to examine whether PA is associated with the double infection-CVD phenotype burden in South African schoolchildren...
April 4, 2018: Preventive Medicine
https://www.readbyqxmd.com/read/29623437/molecular-characterization-of-cosmopolitan-and-potentially-co-invasive-helminths-of-commensal-murid-rodents-in-gauteng-province-south-africa
#19
R S Julius, E V Schwan, C T Chimimba
Concurrent studies of helminth parasites of introduced and native rodent species are few and miss the opportunity to identify potential co-invasive parasite species. This study employed molecular tools to infer the phylogeny and elucidate the origin of potentially co-invasive parasites of commensal, murid rodents by assessing introduced Rattus norvegicus, Rattus rattus, Rattus tanezumi, and native Mastomys coucha in Gauteng Province, South Africa. Genotypes of Nippostrongylus brasiliensis recovered from R. norvegicus are nearly identical to those recovered from elsewhere in the world...
April 6, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29622908/soil-contamination-rate-prevalence-intensity-of-infection-of-geohelminths-and-associated-risk-factors-among-residents-in-bazou-west-cameroon
#20
Blandine Ngatou Tchakounté, Vanessa Rosine Nkouayep, Josué Wabo Poné
Background: Soil-transmitted helminths (STH) infections remain an important public health problem in the tropics. This study aimed to evaluate the soil contamination rate and prevalence of infestations of geohelminth among residents in Bazou. Methods: Four hundred (400) soil samples and 182 stool specimens were collected respectively from four sites and from inhabitants aged 1 to 40 years and above in 12 households. A questionnaire was administered to evaluate risk factors of STH-infections...
January 2018: Ethiopian Journal of Health Sciences
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