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https://www.readbyqxmd.com/read/29160513/detection-of-schistosomiasis-in-an-area-directly-affected-by-the-s%C3%A3-o-francisco-river-large-scale-water-transposition-project-in-the-northeast-of-brazil
#1
José Damião da Silva, Marta Cristhiany Cunha Pinheiro, Mariana Silva Sousa, Vivian da Silva Gomes, Issis Maria Nogueira de Castro, Alberto Novaes Ramos, Fernando Schemelzer de Moraes Bezerra
INTRODUCTION: The development of the São Francisco River Integration Project [Projeto de Integração do Rio São Francisco (PISF)] in the State of Ceará, Brazil, has resulted in environmental and socioeconomic changes with potential risks to public health. We aimed to determine the presence of Schistosoma mansoni infections in schoolchildren (aged 7-14 years) and workers from the construction site in an area under the direct influence of the PISF in the municipality of Brejo Santo-CE, to aid in the prevention and control of schistosomiasis...
September 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/29154994/evolutionary-epidemiology-of-schistosomiasis-linking-parasite-genetics-with-disease-phenotype-in-humans
#2
Tine Huyse, Nele A M Boon, Frederik Van den Broeck, Moustapha Mbow, Anurag Chaturvedi, Lynn Meurs, Filip A M Volckaert, Katja Polman
Here we assess the role of parasite genetic variation in host disease phenotype in human schistosomiasis by implementing concepts and techniques from environmental association analysis in evolutionary epidemiology. Schistosomiasis is a tropical disease that affects more than 200 million people worldwide and is caused by parasitic flatworms belonging to the genus Schistosoma. While the role of host genetics has been extensively studied and demonstrated, nothing is yet known on the contribution of parasite genetic variation to host disease phenotype in human schistosomiasis...
November 15, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/29151362/elimination-of-schistosomiasis-the-tools-required
#3
REVIEW
Robert Bergquist, Xiao-Nong Zhou, David Rollinson, Jutta Reinhard-Rupp, Katharina Klohe
BACKGROUND: Historically, the target in the schistosomiasis control has shifted from infection to morbidity, then back to infection, but now as a public health problem, before moving on to transmission control. Currently, all endemic countries are encouraged to increase control efforts and move towards elimination as required by the World Health Organization (WHO) roadmap for the global control of the neglected tropical diseases (NTDs) and the WHA65.21 resolution issued by the World Health Assembly...
November 20, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/29150650/transcriptome-sequencing-and-differential-gene-expression-analysis-of-the-schistosome-transmitting-snail-oncomelania-hupensis-inhabiting-hilly-and-marshland-regions
#4
Jin-Song Zhao, An-Yun Wang, Hua-Bin Zhao, Yan-Hong Chen
The freshwater snail Oncomelania hupensis is the unique intermediate host of the blood fluke Schistosoma japonicum, which is the major cause of schistosomiasis. The snail inhabits two contrasting environments: the hilly and marshland regions. The hilly snails are smaller in size and have the typical smooth shell, whereas the marshland snails are larger and possess the ribbed shell. To reveal the differences in gene expression between the hilly and marshland snails, a total of six snails, three per environment, were individually examined by RNA sequencing technology...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29147726/-radiculomyelopathy-in-schistosomiasis
#5
REVIEW
J Detzler, H Backes, J Guldner
The increasing migration of people from their homeland in far distant regions to Europe in the last few years has strongly influenced the rise of previously rarely seen diseases. They not only originate from the respective homeland but also from the transit countries during the migration process. We report the case of a 27-year-old male migrant from Eritrea, who after months of flight as a refugee travelling through various African countries, presented at our hospital with a progressive, painful radiculopathy...
November 16, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/29141763/pilot-study-of-the-addition-of-mass-treatment-for-malaria-to-existing-school-based-programs-to-treat-neglected-tropical-diseases
#6
Lauren M Cohee, Moses Chilombe, Andrew Ngwira, Samuel K Jemu, Don P Mathanga, Miriam K Laufer
Malaria and neglected tropical diseases (NTDs), including schistosomiasis and soil transmitted helminths, threaten the health of school aged in sub-Saharan Africa. Established school-based mass drug administration (MDA) programs are used to control NTDs. Recent clinical trials have shown benefit of mass treatment of malaria in schools. The potential of adding malaria treatment to existing NTD programs has not been thoroughly evaluated. We offered malaria treatment with artemether-lumefantrine during routine NTD MDA and developed peer education programs in two primary schools in southern Malawi...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29141029/correction-the-microbiome-in-urogenital-schistosomiasis-and-induced-bladder-pathologies
#7
Adewale S Adebayo, Mangesh Survayanshi, Shrikanth Bhute, Atinuke M Agunloye, Raphael D Isokpehi, Chiaka I Anumudu, Yogesh S Shouche
[This corrects the article DOI: 10.1371/journal.pntd.0005826.].
November 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29140241/direct-biomarkers-of-microbial-translocation-correlate-with-immune-activation-in-adult-zambians-with-environmental-enteropathy-and-hepatosplenic-schistosomiasis
#8
Patrick Kaonga, Evans Kaimoyo, Ellen Besa, Kanekwa Zyambo, Edford Sinkala, Paul Kelly
Microbial translocation is a poorly understood consequence of several disorders such as environmental enteropathy (EE) and hepatosplenic schistosomiasis (HSS). Herein, we compared biomarkers of microbial origin and immune activation in adults with these disorders and in healthy controls. A cross-sectional study was conducted in participants with EE recruited from Misisi compound, Lusaka, Zambia; HSS patients and healthy controls from the University Teaching Hospital, Lusaka. Plasma lipopolysaccharides (LPSs) was measured by limulus amoebocyte lysate assay, plasma 16S ribosomal RNA (16S rRNA) gene copy number was quantified by quantitative real-time polymerase chain reaction, Toll-like receptor ligand (TLRL) activity by QUANTI-Blue detection medium, and cytokines from cell culture supernatant by Cytometric Bead Array...
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
#9
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/29137971/clearance-of-schistosome-parasites-by-resistant-genotypes-at-a-single-genomic-region-in-biomphalaria-glabrata-snails-involves-cellular-components-of-the-hemolymph
#10
Euan R O Allan, Benjamin Gourbal, Camila B Dores, Anais Portet, Christopher J Bayne, Michael S Blouin
Schistosomiasis is one of the most detrimental neglected tropical diseases. Controlling the spread of this parasitic illness requires effective sanitation, access to chemotherapeutic drugs, and control over populations of the freshwater snails, such as Biomphalaria glabrata, that are essential intermediate hosts for schistosomes. Effectively controlling this disease, while minimising ecological implications of such control, will require an extensive understanding of the immunological interactions between schistosomes and their molluscan intermediate hosts...
November 12, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/29137663/patent-landscape-of-neglected-tropical-diseases-an-analysis-of-worldwide-patent-families
#11
Folahanmi Tomiwa Akinsolu, Vitor Nobre de Paiva, Samuel Santos Souza, Orsolya Varga
BACKGROUND: "Neglected Tropical Diseases" (NTDs) affect millions of people in Africa, Asia and South America. The two primary ways of strategic interventions are "preventive chemotherapy and transmission control" (PCT), and "innovative and intensified disease management" (IDM). In the last 5 years, phenomenal progress has been achieved. However, it is crucial to intensify research effort into NTDs, because of the emerging drug resistance. According to the World Health Organization (WHO), the term NTDs covers 17 diseases, namely buruli ulcer, Chagas disease, dengue, dracunculiasis, echinococcosis, trematodiasis, human African trypanosomiasis, leishmaniasis, leprosy, lymphatic filariasis, onchocerciasis, rabies, schistosomiasis, soil-transmitted helminthes, taeniasis, trachoma, and yaws...
November 14, 2017: Globalization and Health
https://www.readbyqxmd.com/read/29135402/-schistosomiasis-and-pulmonary-hypertension
#12
Nazan Şen
Schistosomiasis is one of the most prevelant parazitic diseases in the world. It is endemic in more than 70 countries, and more than 200 million people worldwide are infected with Schistosoma. Pulmonary hypertension (PHT) is one of the chronic complications of schistosomiasis. The exact pathogenesis of schistosomiasis-associated pulmonary hypertension (S-PHT) remains unclear, although several mechanisms such as parazitic arterial embolisation, pulmonary arteriopathy, and portopulmonary hypertension have been suggested...
September 2017: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/29131459/differential-contribution-of-interleukin-10-promoter-variants-in-malaria-and-schistosomiasis-mono-and-co-infections-among-nigerian-children
#13
Ayodele Adedoja, Nghiem Xuan Hoan, Hoang van Tong, Selorme Adukpo, Deborah B Tijani, Ajibola A Akanbi, Christian G Meyer, Olusola Ojurongbe, Thirumalaisamy P Velavan
OBJECTIVE: Interleukin-10 (IL-10) is an anti-inflammatory cytokine produced by Th1 cells and macrophages. The rationale of this study was to examine and validate possible contributions of IL-10 promoter polymorphisms in sub-Saharan Africa in children infected with either Plasmodium falciparum or Schistosoma haematobium and in children co-infected with both parasites. MATERIALS AND METHODS: 309 Nigerian children aged 4 to 15 years were recruited. The study group consisted of individuals infected either with P...
November 13, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/29128645/kunitz-type-protease-inhibitor-as-a-vaccine-candidate-against-schistosomiasis-mansoni
#14
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/29128644/mass-drug-administration-the-sustainable-control-of-schistosomiasis-community-health-workers-are-vital-for-global-elimination-efforts
#15
Marianette T Inobaya, Thao N Chau, Shu-Kay Ng, Colin MacDougall, Remigio M Olveda, Veronica L Tallo, Jhoys M Landicho, Carol M Malacad, Mila F Aligato, Jerric R Guevarra, Allen G Ross
OBJECTIVES: Schistosomiasis control is centered on preventive chemotherapy through mass drug administration (MDA) but endemic countries continue to struggle to attain target coverage rates and patient compliance. In the Philippines, Barangay Health Workers (BHWs) play a vital role in the coordination of MDA as advocates, implementers, and educators. The aim of this study was to determine if the BHWs' knowledge and attitudes towards schistosomiasis and MDA is sufficient and correlated with resident knowledge and drug compliance...
November 8, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29126819/to-reduce-the-global-burden-of-human-schistosomiasis-use-old-fashioned-snail-control
#16
REVIEW
Susanne H Sokolow, Chelsea L Wood, Isabel J Jones, Kevin D Lafferty, Armand M Kuris, Michael H Hsieh, Giulio A De Leo
Control strategies to reduce human schistosomiasis have evolved from 'snail picking' campaigns, a century ago, to modern wide-scale human treatment campaigns, or preventive chemotherapy. Unfortunately, despite the rise in preventive chemotherapy campaigns, just as many people suffer from schistosomiasis today as they did 50 years ago. Snail control can complement preventive chemotherapy by reducing the risk of transmission from snails to humans. Here, we present ideas for modernizing and scaling up snail control, including spatiotemporal targeting, environmental diagnostics, better molluscicides, new technologies (e...
November 7, 2017: Trends in Parasitology
https://www.readbyqxmd.com/read/29124010/positive-fecal-occult-blood-test-as-a-diagnostic-cue-for-schistosoma-mansoni-infection-in-a-developed-country
#17
Itaru Nakamura, Kenji Yagi, Takashi Kumagai, Nobuo Ohta
The rise in eco-tourism and travel off the beaten track have increased numbers of tourists with schistosomiasis which is seldom seen in developed countries, although this disease is considered a neglected tropical disease especially in poor communities. A Guinean male living in Japan was seen complaining of severe constipation. He was positive for fecal occult blood (FOB) and underwent colonoscopy. Colonoscopy showed petechiae of the rectal mucosa, with pathologic examination of biopsy tissue showing calcified eggs of the genus Schistosoma...
2017: IDCases
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
#18
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/29120573/il-17-induced-the-recruitment-and-functional-activity-of-granulocytes-isolated-from-patients-coinfected-with-schistosoma-mansoni-and-hepatitis-c-virus
#19
Soad Nady, Gamal Esmat
The aim of this study was to investigate the role of Th17 cytokines on granulocytes recruitment and functional activity in Schistosoma mansoni/hepatitis C virus (HCV) co-infected patients. Granulocytes were isolated from the co-infected blood and stimulated overnight with Schistosoma soluble egg antigen (SEA) in the presence of IL-17, IL-22, or both cytokines. In parallel, granuloma was induced in vitro using the isolated granulocytes and SEA-coated polyacrylamide beads in the presence of IL-17 and/or IL-22 then the sizes of granulomas were measured after one week...
January 2017: Egyptian Journal of Immunology
https://www.readbyqxmd.com/read/29117212/quantitative-label-free-proteomic-analysis-of-human-urine-to-identify-novel-candidate-protein-biomarkers-for-schistosomiasis
#20
Olugbenga Samson Onile, Bridget Calder, Nelson C Soares, Chiaka I Anumudu, Jonathan M Blackburn
BACKGROUND: Schistosomiasis is a chronic neglected tropical disease that is characterized by continued inflammatory challenges to the exposed population and it has been established as a possible risk factor in the aetiology of bladder cancer. Improved diagnosis of schistosomiasis and its associated pathology is possible through mass spectrometry to identify biomarkers among the infected population, which will influence early detection of the disease and its subtle morbidity. METHODOLOGY: A high-throughput proteomic approach was used to analyse human urine samples for 49 volunteers from Eggua, a schistosomiasis endemic community in South-West, Nigeria...
November 2017: PLoS Neglected Tropical Diseases
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