Search results: 6,317 results (approx.)

1. Activity of the Giardia intestinalis proteasome during encystation and its connection with the expression of the cyst wall protein 1 (CWP1).

Giardia is a parasite whose life cycle is composed of two stages: replicative trophozoites, responsible for the symptoms of the disease, and infective cysts, resistant to adverse environments outside of hosts. Proteasomes are multicatalytic peptidase complexes responsible for the specific...

Author(s) : Alvarado, M. E.; Chaparro-Gutiérrez, J. J.; Calvo, E. P.; Prada, L. F.; Wasserman, M.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

2. More than seven decades of Acta tropica: partnership to advance the 2030 agenda for sustainable development.

The inaugural issue of Acta Tropica has been published in 1944, at a time of utmost international isolation and uncertainty due to World War II. Now, more than seven decades later, Acta Tropica is a trusted outlet to communicate and disseminate scientific advances in the fields of parasitology and...

Author(s) : Graf, A.; Konou, A. A.; Meier, L.; Brattig, N. W.; Utzinger, J.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225 ref.39

3. Molecular epidemiology of Yellow fever virus in Africa: a perspective of the phylogeographic split between East/Central African and West African lineages.

Yellow fever (YF) is a major public-health problem in Africa. Yellow fever virus (YFV), the etiological agent responsible for the disease, exhibits clear delineation of phylogeography between East/Central Africa and West Africa. In order to decipher the genetic nature of the YFV epidemic between...

Author(s) : Li Yan

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

4. A descriptive qualitative case study of the experiences, perceptions and attitudes of pregnant women on Unguja island, Zanzibar, towards antischistosomal treatment.

Many countries exclude pregnant and lactating women from mass drug administration (MDA) programmes with praziquantel against schistosomiasis due to historic safety concerns over drug use during gestation and breast feeding. More than 10 years of empirical evidence from the field and a growing body...

Author(s) : Rosa, E. de; Person, B.; Knopp, S.; Muhsin, J.; Lyimo, J. H.; Kabole, F.; Rollinson, D.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225 ref.52

5. Using Caenorhabditis elegans to produce functional secretory proteins of parasitic nematodes.

The expression of antigens in their immunologically-active form remains a challenge, both in the analysis of regulatory pathways exploited by parasitic nematodes or in the development of vaccines. Despite the success of native proteins to induce protective immunity, recombinant proteins expressed...

Author(s) : Lubisch, M.; Moyzio, S.; Kaiser, C. S.; Krafeld, I.; Leusder, D.; Scholz, M.; Hoepfner, L.; Hippler, M.; Liebau, E.; Kahl, J.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225 ref.89

6. A multidisciplinary, collaborative, inter-agency and comprehensive approach for the control of Chagas disease as a public health problem in Guatemala.

The Pan American Health Organization (PAHO) has defined Chagas Disease hotspots in Central America associated with the vector Triatoma spp. Triatoma dimidiata is a native vector adapted to multiple environments, including intra-domestic and peri-domestic habitats. A multi-institutional project...

Author(s) : Monroy, M. C.; Penados, D.; Pineda, J.; Ruiz, E. L.; Agreda, E. O.; Alcantara, B.; Rodas, A.; Lange, K.; Weinberg, D.; Bazzani, R.; Marchiol, A.; Herazo, R.; Agrelo, R. S.; Abril, M.; Chuit, R.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225 ref.44

7. Echinococcus granulosus sensu stricto and E. canadensis are distributed in livestock of highly endemic area in the Peruvian highlands.

The prevalence of cystic echinococcosis is high in many livestock areas of Peru, where intermediate hosts such as sheep, cattle, and South American camelids can be infected. Several species of E. granulosus have been described in relation to its genetic diversity and distribution. The aim of this...

Author(s) : Sanchez, L.; Mayta, H.; Jara, L. M.; Verástegui, M.; Gilman, R. H.; Gómez-Puerta, L. A.; Gavidia, C. M.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

8. Optimization of an evaluation method for anti-Babesia microti drug efficacy.

Babesiosis is an emerging zoonotic disease that is typically caused by Babesia microti infection. Clinical treatment of B. microti infection is challenging; hence, it is crucial to find new effective drugs. The current laboratory screening methods for anti-B. microti drugs are not optimized. We...

Author(s) : Yin Meng; Zhang HaoBing; Tao Yi; Yao JunMin; Liu Hua; Win, H. H.; Huo LeLe; Jiang Bin; Chen JiaXu

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

9. Eco-epidemiology of vectorial Trypanosoma cruzi transmission in a region of northeast Brazil.

Chagas disease (CD) is a parasitic zoonosis endemic in Brazil. Despite virtual control of Triatoma infestans, the main domesticated vector of Trypanosoma cruzi, vectorial transmission by other triatomine species persists in some rural communities. This study aims to characterize triatomines role in ...

Author(s) : Santos, F.; Magalhães-Junior, J. T.; Carneiro, I. de O.; Santos, F. L. N.; Silva, Â. A. O.; Novais, J. M. C. B.; Santos, J. S. S.; Ribeiro-, G., Jr.; Reis, M. G.; Franke, C. R.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225 ref.56

10. A pilot and open trial to evaluate topical bacterial cellulose bio-curatives in the treatment of cutaneous leishmaniasis caused by L. braziliensis.

The treatment of cutaneous leishmaniasis (CL) in Brazil using pentavalent antimony (Sbv) is associated with a high failure rate and long time to heal. Moreover, standard Sbv treatment cures only 50-60% of the cases. In this pilot clinical trial, we evaluated the topical use of bacterial cellulose...

Author(s) : Celes, F. S.; Barud, H. S.; Viana, S. M.; Borba, P. B.; Machado, P. R. L.; Carvalho, E. M.; Oliveira, C. I. de

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

11. Excretory-secretory product of Trichinella spiralis inhibits tumor cell growth by regulating the immune response and inducing apoptosis.

The excretory-secretory product (ESP) of Trichinella spiralis (T. spiralis) has been reported to inhibit the growth of various tumor cells, but the mechanism is not yet clear. To explore the effect and mechanism of ESP on liver cancer cells, tumor models were established with H22 cells and then...

Author(s) : Ding Jing; Tang Bin; Liu XiaoLei; Bai Xue; Wang Yang; Li ShiCun; Li Jian; Liu MingYuan; Wang XueLin

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

12. Spatio-temporal visualisation of cutaneous leishmaniasis in an endemic, urban area in Iran.

Introduction: Cutaneous Leishmaniasis (CL) is a significant public health concern worldwide. Iran is among the most CL-affected countries, being one of the six most endemic countries in the world. This study aimed to provide a spatio-temporal visualisation of CL cases in an endemic urban area in...

Author(s) : Firouraghi, N.; Mohammadi, A.; Hamer, D. H.; Bergquist, R.; Mostafavi, S. M.; Shamsoddini, A.; Raouf-Rahmati, A.; Fakhar, M.; Moghaddas, E.; Kiani, B.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

13. Comparison of the multi-epitope recombinant antigen DIPOL and hydatid fluid for the diagnosis of patients with cystic echinococcosis.

The use of serological tests containing multiple immunodominant antigens rather than single antigens have the potential to improve the diagnostic performance in Cystic Echinococcoses (CE) as a complement tool to clear the inconclusive imaging data. Here, we comparatively evaluated the diagnostic...

Author(s) : Ozturk, E. A.; Manzano-Román, R.; Sánchez-Ovejero, C.; Caner, A.; Angin, M.; Gunduz, C.; Karaman, Ü.; Altintas, N.; Bozkaya, H.; Unalp, O.; Dokumcu, Z.; Divarci, E.; Casulli, A.; Altintas, N.; Siles-Lucas, M.; Unver, A.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

14. Identification and functional characterization of the siRNA pathway in Taenia crassiceps by silencing enolase A.

A gene silencing procedure on cysticerci of the taeniid cestode Taenia crassiceps is described. This is the first time this technique is reported in this species that is widely used as an animal model for human cysticercosis. Genome database searches were performed in order to find out if relevant...

Author(s) : Guerrero-Hernández, J.; Bobes, R. J.; García-Varela, M.; Castellanos-Gonzalez, A.; Laclette, J. P.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225 ref.74

15. Toxoplasma gondii activates NLRP12 inflammasome pathway in the BALB/c murine model.

The host resistance against Toxoplasma gondii (T. gondii) infection is related to the initiation of the immune response. The study aimed to investigate the role of the leucine-rich repeat family, pyrin domain -containing protein 12 (NLRP12), and cytoplasmic nucleotide-binding domain in the...

Author(s) : Rajabi, S.; Spotin, A.; Mahami-Oskouei, M.; Baradaran, B.; Babaie, F.; Azadi, Y.; Alizadeh, P.; Valadan, R.; Barac, A.; Ahmadpour, E.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225 ref.33

16. Redescription of Simulium (Gomphostilbia) omutaense Ogata & Sasa (Diptera: Simuliidae) from Japan and its phylogenetic relationship with other members of the S. batoense species-group.

Simulium (Gomphostilbia) omutaense Ogata & Sasa, 1954 is the only named species in the Simulium batoense species-group of the subgenus Gomphostilbia Enderlein recorded from Honshu and Kyushu, Japan. It represents the northernmost distribution of this species-group, of which most members are...

Author(s) : Takaoka, H.; Fukuda, M.; Otsuka, Y.; Low, van L.; Ya'cob, Z.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225 ref.23

17. Effect of alginate nanoparticles on the immunogenicity of excretory-secretory antigens against acute toxoplasmosis in murine model.

Efficacy of alginate nanoparticles (Alg-NPs) as vaccine delivery for the excretory-secretory antigens (ESAs) against the virulent strain of Toxoplasma gondii was evaluated. Swiss albino mice were intraperitoneally immunized with three doses of either in vivo and in vitro-prepared ESA vaccines, 20...

Author(s) : Gaafar, M. R.; El-Mansoury, S. T.; Eissa, M. M.; Shalaby, T. I.; Younis, L. K.; Rashed, H. A.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

18. Molecular detection and genotype diversity of hemoplasmas in non-hematophagous bats and associated ectoparasites sampled in peri-urban areas from Brazil.

Hemoplasmas have already been detected in bats in the United States of America, Spain, Australia, Chile, Brazil, Peru, Belize, Nigeria, Costa Rica, Germany, Switzerland and New Caledonia. The recent detection of hemoplasmas closely related to Mycoplasma haematohominis, an agent causing disease in...

Author(s) : Ikeda, P.; Torres, J. M.; Lourenço, E. C.; Albery, G. F.; Herrera, H. M.; Oliveira, C. E. de; Machado, R. Z.; André, M. R.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

19. The combination of carvacrol and albendazole enhanced the efficacy of monotherapy in experimental alveolar echinococcosis.

Alveolar echinococcosis is a helminthic zoonosis caused by the larval stage of Echinococcus multilocularis. When surgical resection of the parasite is not feasible, pharmacological treatment with albendazole is the only option. Due to the difficulties in achieving the success of treatment, it is...

Author(s) : Lopez, L. M.; Pensel, P. E.; Fabbri, J.; Albani, C. M.; Elissondo, N.; Gambino, G.; Elissondo, M. C.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

20. An elution independent collection device (EICD) for rapid collection of Anaplasma marginale DNA from blood samples.

Currently utilized molecular detection methods are based mainly on nucleic acid extraction, amplification, and detection procedures that may require costly equipment, numerous reagents, and highly trained personnel. These requirements make diagnostic tests expensive, time-consuming, and not...

Author(s) : Salazar, A.; Ochoa-Corona, F. M.; Talley, J. L.; Noden, B. H.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225 ref.37

21. Molecular evidence supports the validity of three Parabrachiella species infecting mugilids.

The parasitic copepod genus Parabrachiella is composed of 70 species, 14 of which are found in South America. The finding of new specimens of Parabrachiella mugilis from Turkey allowed us to compare the nucleotide sequences of the mitochondrial cytochrome c oxidase subunit I (COI) gene of this...

Author(s) : Montes, M. M.; Castro-Romero, R.; Öktener, A.; Balcazar, D.; Reig Cardarella, G. F.; Martorelli, S.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

22. Infection rate of Opisthorchis viverrini metacercariae in cyprinoid fish from the markets and its association to human opisthorchiasis in the local community in the northeast Thailand.

The prevalence of Opisthorchis viverrini, a fish-borne zoonotic trematode that can provoke cholangiocarcinoma, is high in the Northeast Thailand. The aim of this study was to determine the prevalence of O. viverrini metacercariae in the cyprinid fish and determine its association of O. viverrini...

Author(s) : Charoensuk, L.; Ribas, A.; Chedtabud, K.; Prakobwong, S.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

23. Association of anthelmintic treatment with malaria prevalence, incidence, and parasitemia: a systematic review and meta-analysis.

A chronic helminth infection can alter host immune response and affect malaria infection. We conducted a systematic review and meta-analysis to find the impact of anthelmintic treatment on malaria prevalence, incidence, and parasitemia. Nine and 12 electronic databases were searched on 28th July...

Author(s) : Dila, K. A. S.; Reda, A.; Elhady, M. T.; Le Khac Linh; Nguyen Tran Minh-Duc; El-Qushayri, A. E.; Nguyen Lac Han; Mehta, V.; Hamad, W. M. A.; Eskarous, H.; Samsom, M.; Hirayama, K.; Nguyen Tien Huy

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

24. Seropositivity rates of zoonotic pathogens in small ruminants and associated public health risks at informal urban markets in Zambia.

Informal livestock markets are an important source of animal-derived proteins for growing urban populations in countries such as Zambia. In parallel, they can also constitute pathways of zoonotic pathogen transmission to humans. This risk is aggravated by limited disease monitoring and poor control ...

Author(s) : Lysholm, S.; Fischer, K.; Lindahl, J. F.; Munyeme, M.; Wensman, J. J.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225 ref.many

25. Loiasis is endemic in the Ndikinimeki Health District (Centre Region, Cameroon) but does not represent a hindrance to onchocerciasis elimination.

Community-Directed Treatment with Ivermectin (CDTI) is the strategy of choice to fight onchocerciasis in Africa. In areas where loiasis is endemic, onchocerciasis control and/or elimination is hindered by severe adverse events (SAEs) occurring after ivermectin mass treatments. This study aimed at...

Author(s) : Sumo, L.; Ntonifor, N. H.; Afor, A. R.; Bopda, J.; Heumou, R. B.; Nganjou, G. S. O.; Djeunga, H. C. N.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225 ref.24