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Source: Acta Tropica
Infectious Disease: Parasitic Diseases
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Total 817 results found since Jan 2013.
Parasitological and molecular search for leishmania natural infection in phlebotomine sand flies in peri-urban sites of an argentinean area endemic for tegumentary leishmaniasis
Acta Trop. 2021 Jul 21:106064. doi: 10.1016/j.actatropica.2021.106064. Online ahead of print.ABSTRACTLeishmaniases are neglected tropical diseases caused by Leishmania spp. parasites transmitted by the bite of phlebotomine sand flies. In Argentina, the most endemic area of American Tegumentary leishmaniasis (ATL) has been Orán department, Province of Salta, where Leishmania (Viannia) braziliensis prevails and Nyssomyia neivai is considered as its vector, although there is no accurate and sufficient information in this regard. The aim of this work was to search for natural infection by Leishmania spp. in sand flies from pe...
Source: Acta Tropica - July 24, 2021 Category: Infectious Diseases Authors: Mar ía Cristina Almazán Griselda Noem í Copa Jos é Fernando Gil In és López Quiroga Melisa Evangelina D íaz Fernández Alejandro Uncos Carlos Lorenzo Hoyos Julio Rub én Nasser Paola Andrea Barroso Jorge Diego Marco Source Type: research
Parasitological and molecular search for leishmania natural infection in phlebotomine sand flies in peri-urban sites of an argentinean area endemic for tegumentary leishmaniasis
Acta Trop. 2021 Jul 21:106064. doi: 10.1016/j.actatropica.2021.106064. Online ahead of print.ABSTRACTLeishmaniases are neglected tropical diseases caused by Leishmania spp. parasites transmitted by the bite of phlebotomine sand flies. In Argentina, the most endemic area of American Tegumentary leishmaniasis (ATL) has been Orán department, Province of Salta, where Leishmania (Viannia) braziliensis prevails and Nyssomyia neivai is considered as its vector, although there is no accurate and sufficient information in this regard. The aim of this work was to search for natural infection by Leishmania spp. in sand flies from pe...
Source: Acta Tropica - July 24, 2021 Category: Infectious Diseases Authors: Mar ía Cristina Almazán Griselda Noem í Copa Jos é Fernando Gil In és López Quiroga Melisa Evangelina D íaz Fernández Alejandro Uncos Carlos Lorenzo Hoyos Julio Rub én Nasser Paola Andrea Barroso Jorge Diego Marco Source Type: research
Biomarkers for schistosomiasis: Towards an integrative view of the search for an effective diagnosis.
Abstract
Human schistosomiasis, caused mainly by Schistosoma mansoni, S. japonicum, and S. hematobium, remains a prevalent and serious parasitic disease worldwide. Although it is a debilitating disease, a lack of sensitive methods for the precise diagnosis of active infection cases is important to prevent morbidity. The optimization of new diagnostic approaches may be accomplished by the selection of specific markers. In that manner, markers can be satisfactorily used for detection of different phases of infection, as acute and chronic phases, pre-patent and post-patent phases and after chemotherapy, improving the...
Source: Acta Tropica - January 8, 2014 Category: Infectious Diseases Authors: Silva-Moraes V, Ferreira JM, Coelho PM, Grenfell RF Tags: Acta Trop Source Type: research
Anthropophilic phlebotomine sand fly Lutzomyia species and search for the natural Leishmania infections in an area endemic for cutaneous leishmaniasis in Ecuador.
Abstract
By employing protected human bait landing and modified Shannon light trap, a total of 1,924 phlebotomine sand fly Lutzomyia spp. were captured in an area from which L. (V.) guyanensis was reported as the causative parasite of cutaneous leishmaniasis (CL). The sand flies captured alive were dissected and identified at species level, based mainly on their spermathecae. At the same time, the sand flies dissected were searched for the Leishmania parasites by microscopic-test, and later on by PCR-test. No positive sand flies were detected by both tests, while considerable numbers of anthropophilic sand fly spe...
Source: Acta Tropica - November 28, 2019 Category: Infectious Diseases Authors: Hashiguchi Y, Gomez EA, Velez LN, Villegas NV, Kubo M, Mimori T, Hashiguchi K, Kato H Tags: Acta Trop Source Type: research
Delusional parasitosis: an entomological perspective after a 20-years-experience in two public medical and veterinary entomology laboratories
Acta Trop. 2022 Jul 21:106614. doi: 10.1016/j.actatropica.2022.106614. Online ahead of print.ABSTRACTDelusional parasitosis (DP) is psychiatric disorder characterized by the unshakeable belief of being infested by endo- or ectoparasites, without any evidence of infestations. Hence, DP sufferers often consult medical entomologists or dermatologists, rather than seeking help from a mental health practitioner. Here we present 39 cases of suspected DP occurred in twenty years in two Italian public medical entomology laboratories, to highlight their common features and peculiarities, based on the interviews and material brought...
Source: Acta Tropica - July 25, 2022 Category: Infectious Diseases Authors: Federico Romiti Adele Magliano Irene Del Lesto Lorena Filugelli Fabrizio Montarsi Sara Carlin Claudio De Liberato Source Type: research
The relationship between wing length, blood meal volume, and fecundity for seven colonies of Anopheles species housed at the Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand.
Abstract
Established colonies of Anopheles campestris, An. cracens, An. dirus, An. kleini, An. minimus, An. sawadwongporni, and An. sinensis are maintained at the Armed Forces Research Institute of Medical Sciences (AFRIMS). Females were provided blood meals on human blood containing citrate as an anticoagulant using an artificial membrane feeder. The mean wing length, used as an estimate of body size, for each species was compared to blood-feeding duration (time), blood meal volume, and numbers of eggs oviposited. Except for An. campestris and An. cracens, there were significant interspecies differences in wing l...
Source: Acta Tropica - September 30, 2015 Category: Infectious Diseases Authors: Phasomkusolsil S, Pantuwattana K, Tawong J, Khongtak W, Kertmanee Y, Monkanna N, Klein TA, Kim HC, McCardle PW Tags: Acta Trop Source Type: research
A detailed review of the mosquitoes (Diptera: Culicidae) of Iran and their medical and veterinary importance.
Abstract
Mosquitoes (Diptera: Culicidae) are the most significant arthropods of medical importance because of the burden of diseases, such as malaria, encephalitis and filariasis, which are caused by pathogens and parasites they transmit to humans. In 2007, the most recently published checklist of Iranian mosquitoes included 64 species representing seven genera. Public databases were searched to the end of August 2018 for publications concerning the diseases in Iran caused by mosquito-borne pathogens. Pertinent information was extracted and analyzed, and the checklist of Iranian mosquitoes was updated. Six arbovir...
Source: Acta Tropica - March 17, 2019 Category: Infectious Diseases Authors: Azari-Hamidian S, Norouzi B, Harbach RE Tags: Acta Trop Source Type: research
A Multiplex PCR protocol for rapid differential identification of four families of trematodes with medical and veterinary importance transmitted by Biomphalaria Preston, 1910 snails.
Abstract
Trematodes have complex life cycles with multiple hosts. Biomphalaria snails commonly act as the first intermediate hosts of several species that can affect human and animal health. The specific identification of larval trematodes found in snails is difficult and limited, since the taxonomy of these flukes is based on morphological traits of the adults found in vertebrates. Despite recent advances worldwide, studies aiming at the use of molecular tools for the identification of cercariae found in snails are scarce in the South America. In fact, most studies are focused on Schistosoma mansoni, with few eff...
Source: Acta Tropica - August 8, 2020 Category: Infectious Diseases Authors: Mesquita SG, Luiz GFR, Cunha JLR, Cardoso MS, De Mendonça CLF, Bueno LL, Fujiwara RT, Pinto HA, Caldeira RL, Bartholomeu DC Tags: Acta Trop Source Type: research
Transcriptome profiling of plerocercoid and adult developmental stages of the neglected medical tapeworm Spirometra erinaceieuropaei
Acta Trop. 2022 Apr 22:106483. doi: 10.1016/j.actatropica.2022.106483. Online ahead of print.ABSTRACTThe plerocercoid larvae of the tapeworm Spirometra erinaceieuropaei can parasitize humans and animals and cause serious parasitic zoonosis. However, our knowledge of the developmental process of S. erinaceieuropaei is still inadequate. To better characterize differential and specific genes and pathways associated with parasite development, a comparative transcriptomic analysis of the plerocercoid stage and the adult stage was performed using RNA-seq and de novo analysis. Approximately 13,659 differentially expressed genes (...
Source: Acta Tropica - April 26, 2022 Category: Infectious Diseases Authors: Shi Nan Liu Xiao Yi Su Wen Qing Chen Jin Wei Yu Jing Ru Li Peng Jiang Jing Cui Zhong Quan Wang Xi Zhang Source Type: research
Contextualizing Schistosoma haematobium transmission in Ghana: assessment of diagnostic techniques and individual and community water-related risk factors.
CONCLUSIONS: The study illustrates that in presence of regular school-based treatment with praziquantel, microhematuria assessed via reagent strips remains an adequate proxy for S. haematobium infection in primary schoolchildren. Community water profiles, in combination with self-reported water-related behaviors, can help elucidate reasons for some endemic communities continuing to experience ongoing transmission and tailor interventions to these local contexts to achieve sustainable control.
PMID: 30871989 [PubMed - as supplied by publisher]
Source: Acta Tropica - March 10, 2019 Category: Infectious Diseases Authors: Kulinkina AV, Kosinski KC, Adjei MN, Osabutey D, Gyamfi BO, Biritwum NK, Bosompem KM, Naumova EN Tags: Acta Trop Source Type: research
