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Neglected tropical diseases

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https://www.readbyqxmd.com/read/27911051/sylvatic-transmission-of-trypanosoma-cruzi-among-domestic-and-wildlife-reservoirs-in-texas-usa-a-review-of-the-historical-literature
#1
REVIEW
S M Gunter, E L Brown, R Gorchakov, K O Murray, M N Garcia
Chagas disease (Trypanosoma cruzi infection) is one of the most important neglected tropical diseases affecting the Americas. The transmission dynamic of this parasite is a complicated process that involves three genera of Triatominae subfamily and over 100 known mammalian reservoirs composed of domestic, peridomestic and wildlife species. Understanding the complex relationship between vector species and mammalian hosts is important for preventing transmission to humans. We performed a historical literature review to assess the disease burden in the Texas wildlife and domestic animal population...
December 2, 2016: Zoonoses and Public Health
https://www.readbyqxmd.com/read/27907248/mycobacterium-ulcerans-toxin-mycolactone-may-enhance-host-seeking-and-oviposition-behavior-by-aedes-aegypti-l-diptera-culicidae
#2
M L Sanders, H R Jordan, C Serewis-Pond, L Zheng, M E Benbow, P L Small, J K Tomberlin
The ecological functions of many toxins continue to remain unknown for those produced by environmental pathogens. Mycobacterium ulcerans, the causative agent of the neglected tropical disease, Buruli ulcer, produces a cytotoxic macrolide, mycolactone, whose function(s) in the environment remains elusive. Through a series of dual-choice behavior assays, we show that mycolactone may be an interkingdom cue for the yellow fever mosquito, Aedes aegypti, seeking blood-meals as well as oviposition sites. Results provide novel insight into the evolution between bacteria and potential vectors...
December 1, 2016: Environmental Microbiology
https://www.readbyqxmd.com/read/27906985/egypt-its-artists-intellectuals-and-neglected-tropical-diseases
#3
EDITORIAL
Peter J Hotez, Moustapha Kassem
No abstract text is available yet for this article.
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27906059/a-mitochondrial-hsp70-hspa9b-is-linked-to-miltefosine-resistance-and-stress-response-in-leishmania-donovani
#4
P Vacchina, B Norris-Mullins, E S Carlson, M A Morales
BACKGROUND: Protozoan parasites of the genus Leishmania are responsible for leishmaniasis, a neglected tropical disease affecting millions worldwide. Visceral leishmaniasis (VL), caused by Leishmania donovani, is the most severe form of leishmaniasis with high rates of mortality if left untreated. Current treatments include pentavalent antimonials and amphotericin B. However, high toxicity and emergence of resistance hinder the success of these options. Miltefosine (HePC) is the first oral treatment available for leishmaniasis...
December 1, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27904882/first-case-of-actinomycetoma-in-france-due-to-a-novel-nocardia-species-nocardia-boironii-sp-nov
#5
Jacques M Gilquin, Brigitte Riviere, Valme Jurado, Bernard Audouy, Jean-Baptiste Kouatche, Emmanuelle Bergeron, Delphine Mouniée, Thierry Molina, Philippe Faure, Cesáreo Saiz-Jimenez, Verónica Rodríguez-Nava
Bacterial mycetoma is a neglected disease mainly observed in tropical area countries and typically associated with rural conditions, making its presence in developed countries of temperate climate areas rare. However, we report the first case of an autochthonous mycetoma case in continental France that originated from a new Nocardia species. A Gram-positive filamentous bacterium (OFN 14.177(T)) was isolated from a pus sample from the mycetoma of a male French patient 92 years old suffering from chronic lymphocytic leukemia...
November 2016: MSphere
https://www.readbyqxmd.com/read/27903286/carrion-s-disease-an-eradicable-illness
#6
Cláudia Gomes, Maria J Pons, Juana Del Valle Mendoza, Joaquim Ruiz
Carrion's disease is a neglected tropical disease caused by Bartonella bacilliformis, a vector-borne pathogen restricted to the Andean valleys of Peru, Ecuador and Colombia. Carrion's disease is a biphasic illness; in the acute phase the case-fatality rate can be as high as 88 %, related to high parasitemia, arriving to almost all erythrocytes, and secondary bacterial infections close related with the development of transient immunosuppression in the earlier illness phases. In addition, there are an undefined number of asymptomatic carriers that are reservoirs of the etiological agent of Carrion's disease in endemic areas, they make take into account due to they are the perpetuators of this disease...
December 1, 2016: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/27896890/diterpenes-as-lead-molecules-against-neglected-tropical-diseases
#7
REVIEW
Marcus Vinícius Oliveira Barros de Alencar, João Marcelo de Castro E Sousa, Hercília Maria Lins Rolim, Maria das Graças Freire de Medeiros, Gilberto Santos Cerqueira, Fernanda Regina de Castro Almeida, Antônia Maria das Graças Lopes Citó, Paulo Michel Pinheiro Ferreira, José Arimatéia Dantas Lopes, Ana Amélia de Carvalho Melo-Cavalcante, Md Torequl Islam
Nowadays, neglected tropical diseases (NTDs) are reported to be present everywhere. Poor and developing areas in the world have received great attention to NTDs. Drug resistance, safety profile, and various challenges stimulate the search for alternative medications. Plant-based drugs are viewed with great interest, as they are believed to be devoid of side effects. Diterpenes, a family of essential oils, have showed attractive biological effects. A systematic review of the literature was carried out to summarize available evidences of diterpenes against NTDs...
November 29, 2016: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/27893778/mycobacterium-ulcerans-mouse-model-refinement-for-pre-clinical-profiling-of-vaccine-candidates
#8
Angèle Bénard, Claudia Sala, Gerd Pluschke
Buruli Ulcer is a neglected tropical disease leading to extensive disabilities and morbidity in West Africa. In this paper we sought to characterize various strains of Mycobacterium ulcerans (M.ulcerans) with different origins and laboratory passage records while refining a mouse model for Buruli ulcer. We described, compared and followed the kinetics of the histo-pathological outcome of infection of a collection of strains at various anatomical sites of infection in order to find a suitable model for further immunization studies...
2016: PloS One
https://www.readbyqxmd.com/read/27887694/reprint-of-assessing-the-impact-of-a-joint-human-porcine-intervention-package-for-taenia-solium-control-results-of-a-pilot-study-from-northern-lao-pdr
#9
Anna L Okello, Lian Thomas, Phouth Inthavong, Amanda Ash, Boualam Khamlome, Chattouphone Keokamphet, Kim Newberry, Charles G Gauci, Sarah Gabriël, Pierre Dorny, Rc Andrew Thompson, Marshall W Lightowlers, John Allen
Following confirmation that a remote village of approximately 300 inhabitants in northern Lao PDR was hyperendemic for the Neglected Tropical Disease Taenia solium, a pilot human-porcine therapeutic control intervention was implemented between October 2013 and November 2014. Mass drug administration with a three day albendazole 400mg protocol was offered to all eligible humans in October 2013 and March 2014. At these times, and again in October 2014, eligible village pigs received the anti-cysticercosis TSOL18 vaccination and an oral dose of oxfendazole anthelmintic at 30mg/kg, both repeated one month later...
November 22, 2016: Acta Tropica
https://www.readbyqxmd.com/read/27885295/scrub-typhus-an-emerging-neglected-tropical-disease-in-nepal
#10
B P Upadhyaya, G Shakya, S Adhikari, N Rijal, J Acharya, L Maharjan, B R Marasini
BACKGROUND: Scrub typhus is a neglected tropical disease and is under reported from Nepal. The objective of this study was to investigate the sero-epidemiology of scrub typhus in patients suffering from acute febrile illness. METHODS: A total of 434 specimens collected from July to November 2015 at National Public Health Laboratory (NPHL) were investigated for detection of immunoglobulin M (IgM) antibody to Orientiatsutsugamushi.The Scrub Typhus Detect TM kit (InBios, USA) was used to detect the antibodies to O...
May 2016: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/27884376/purinergic-signaling-in-infection-and-autoimmune-disease
#11
EDITORIAL
Luiz Eduardo Baggio Savio, Robson Coutinho-Silva
Purinergic signaling plays a key role in inflammatory processes and modulates immune responses against a variety of bacterial and eukaryotic parasites. Here we highlight the role of purinergic receptor activation in infection and autoimmune diseases. Purinergic signaling and inflammasomes modulate the host immune response against chlamydial infections. In addition, increasing evidence suggests that purinergic signaling contributes to Schistosomiasis morbidity, a neglected tropical disease caused by parasitic worms called schistosomes...
October 2016: Biomedical Journal
https://www.readbyqxmd.com/read/27882242/development-of-a-loop-mediated-isothermal-amplification-for-diagnosis-of-ascaris-lumbricoides-in-fecal-samples
#12
Esther A Shiraho, Agola L Eric, Ibrahim N Mwangi, Geoffrey M Maina, Joseph M Kinuthia, Martin W Mutuku, Robert M Mugambi, Jackson M Mwandi, Gerald M Mkoji
Ascaris lumbricoides is a nematode parasite that causes the common tropical infection ascariasis in humans. It is also considered among the neglected tropical diseases. Diagnosis relies mainly on microscopy-based methods which are laborious, are limited by low sensitivity, and require high expertise. We have developed a loop mediated isothermal amplification (LAMP) for diagnosis of ascariasis in fecal samples, based on the first internal transcribed (ITS-1) spacer region of the ribosomal DNA. We used Primer Explorer V4 software to design primers...
2016: Journal of Parasitology Research
https://www.readbyqxmd.com/read/27881553/stage-specific-transcriptome-and-proteome-analyses-of-the-filarial-parasite-onchocerca-volvulus-and-its-wolbachia-endosymbiont
#13
Sasisekhar Bennuru, James A Cotton, Jose M C Ribeiro, Alexandra Grote, Bhavana Harsha, Nancy Holroyd, Amruta Mhashilkar, Douglas M Molina, Arlo Z Randall, Adam D Shandling, Thomas R Unnasch, Elodie Ghedin, Matthew Berriman, Sara Lustigman, Thomas B Nutman
: Onchocerciasis (river blindness) is a neglected tropical disease that has been successfully targeted by mass drug treatment programs in the Americas and small parts of Africa. Achieving the long-term goal of elimination of onchocerciasis, however, requires additional tools, including drugs, vaccines, and biomarkers of infection. Here, we describe the transcriptome and proteome profiles of the major vector and the human host stages (L1, L2, L3, molting L3, L4, adult male, and adult female) of Onchocerca volvulus along with the proteome of each parasitic stage and of its Wolbachia endosymbiont (wOv)...
November 23, 2016: MBio
https://www.readbyqxmd.com/read/27880808/natural-schistosoma-mansoni-infection-in-the-wild-reservoir-nectomys-squamipes-leads-to-excessive-lipid-droplet-accumulation-in-hepatocytes-in-the-absence-of-liver-functional-impairment
#14
Kátia B Amaral, Thiago P Silva, Kássia K Malta, Lívia A S Carmo, Felipe F Dias, Mariana R Almeida, Gustavo F S Andrade, Jefferson S Martins, Roberto R Pinho, Sócrates F Costa-Neto, Rosana Gentile, Rossana C N Melo
Schistosomiasis is a neglected tropical disease of a significant public health impact. The water rat Nectomys squamipes is one of the most important non-human hosts in the schistosomiasis mansoni transmission in Brazil, being considered a wild reservoir. Cellular mechanisms that contribute to the physiological adaptation of this rodent to the Schistosoma mansoni parasite are poorly understood. Here we identified, for the first time, that a hepatic steatosis, a condition characterized by excessive lipid accumulation with formation of lipid droplets (LDs) within hepatocytes, occurs in response to the natural S...
2016: PloS One
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
#15
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/27876076/bladder-outlet-obstruction-a-rare-complication-of-the-neglected-schistosome-schistosoma-haematobium-two-case-reports-and-public-health-challenges
#16
Valirie Ndip Agbor, Tsi Njim, Franklin Ngu Mbolingong
BACKGROUND: Schistosomiasis is a severe parasitic infestation with debilitating complications and is the third most devastating tropical disease in the world. It is one of the neglected tropical diseases (NTDs) with a high disease-burden. We present two rare cases of bladder outlet obstruction: one which led to a chronic kidney disease and ultimately death and a second which recovered after treatment with praziquantel. CASE PRESENTATIONS: A 72 year old male presented with lower urinary tract symptoms which culminated in an episode of acute urinary retention...
November 22, 2016: BMC Research Notes
https://www.readbyqxmd.com/read/27872081/novel-effects-of-lapatinib-revealed-in-the-african-trypanosome-using-hypothesis-generating-proteomics-and-chemical-biology-strategies
#17
Paul J Guyett, Ranjan Behera, Yuko Ogata, Michael Pollastri, Kojo Mensa-Wilmot
Human African trypanosomiasis is a neglected tropical disease caused by the protozoan parasite Trypanosoma brucei Lapatinib, a human epidermal growth factor receptor (EGFR) inhibitor, can cure 25% of trypanosome-infected mice, although the parasite lacks EGFR-like tyrosine kinases. Four trypanosome protein kinases associate with lapatinib, suggesting the drug may be a multi-targeted inhibitor of phosphoprotein signaling in the bloodstream trypanosome. Phosphoprotein signaling pathways in T. brucei have diverged significantly from those in humans...
November 21, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27869914/-brazilian-consensus-on-chagas-disease-2015
#18
João Carlos Pinto Dias, Alberto Novaes Ramos, Eliane Dias Gontijo, Alejandro Luquetti, Maria Aparecida Shikanai-Yasuda, José Rodrigues Coura, Rosália Morais Torres, José Renan da Cunha Melo, Eros Antonio de Almeida, Wilson de Oliveira, Antônio Carlos Silveira, Joffre Marcondes de Rezende, Fabiane Scalabrini Pinto, Antonio Walter Ferreira, Anis Rassi, Abílio Augusto Fragata, Andréa Silvestre de Sousa, Dalmo Correia, Ana Maria Jansen, Glaucia Manzan Queiroz Andrade, Constança Felícia De Paoli de Carvalho Britto, Ana Yecê das Neves Pinto, Anis Rassi, Dayse Elisabeth Campos, Fernando Abad-Franch, Silvana Eloi Santos, Egler Chiari, Alejandro Marcel Hasslocher-Moreno, Eliane Furtado Moreira, Divina Seila de Oliveira Marques, Eliane Lages Silva, José Antonio Marin-Neto, Lúcia Maria da Cunha Galvão, Sergio Salles Xavier, Sebastião Aldo da Silva Valente, Noêmia Barbosa Carvalho, Alessandra Viana Cardoso, Rafaella Albuquerque E Silva, Veruska Maia da Costa, Simone Monzani Vivaldini, Suelene Mamede Oliveira, Vera da Costa Valente, Mayara Maia Lima, Renato Vieira Alves
Chagas disease is a neglected chronic condition that presents high morbidity and mortality burden, with considerable psychological, social, and economic impact. The disease represents a significant public health issue in Brazil, with different regional patterns. This document presents the evidence that resulted in the Brazilian Consensus on Chagas Disease. The objective was to review and standardize strategies for diagnosis, treatment, prevention, and control of Chagas disease in the country, based on the available scientific evidence...
June 2016: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/27869790/the-genome-of-onchocerca-volvulus-agent-of-river-blindness
#19
James A Cotton, Sasisekhar Bennuru, Alexandra Grote, Bhavana Harsha, Alan Tracey, Robin Beech, Stephen R Doyle, Matthew Dunn, Julie C Dunning Hotopp, Nancy Holroyd, Taisei Kikuchi, Olivia Lambert, Amruta Mhashilkar, Prudence Mutowo, Nirvana Nursimulu, Jose M C Ribeiro, Matthew B Rogers, Eleanor Stanley, Lakshmipuram S Swapna, Isheng J Tsai, Thomas R Unnasch, Denis Voronin, John Parkinson, Thomas B Nutman, Elodie Ghedin, Matthew Berriman, Sara Lustigman
Human onchocerciasis is a serious neglected tropical disease caused by the filarial nematode Onchocerca volvulus that can lead to blindness and chronic disability. Control of the disease relies largely on mass administration of a single drug, and the development of new drugs and vaccines depends on a better knowledge of parasite biology. Here, we describe the chromosomes of O. volvulus and its Wolbachia endosymbiont. We provide the highest-quality sequence assembly for any parasitic nematode to date, giving a glimpse into the evolution of filarial parasite chromosomes and proteomes...
November 21, 2016: Nature Microbiology
https://www.readbyqxmd.com/read/27867674/filariasis-of-stensen-s-duct-an-index-case
#20
Eishaan K Bhargava, Nikhil Arora, Varun Rai, Ravi Meher, Prerna Arora, Ruchika Juneja
Filariasis, a neglected tropical disease, is a global health problem and is endemic to 73 countries including India. It is caused by nematodes of Filariodidea family, namely, W. bancrofti and B. malayi in India, which have a predilection for the lower limbs and testis. We report a never before reported case of filariasis of the main parotid duct in a 25-year-old male that resolved on medical management, exemplifying the importance of maintaining a high index of suspicion and careful examination of cytological smears in endemic countries, allowing for an early diagnosis and treatment, decreasing the morbidity of this debilitating disease...
2016: Case Reports in Otolaryngology
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