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Home / Publicações

The estimated distribution of autochthonous leishmaniasis by 𝐿𝑒𝑖𝑠ℎ𝑚𝑎𝑛𝑖𝑎 𝑖𝑛𝑓𝑎𝑛𝑡𝑢𝑚 in Europe in 2005–2020

  • Autores: Carla Maia, Cláudia Conceição, André Pereira, Rafael Rocha, Maria Ortuño, Clara Muñoz, Zarima Jumakanova, Pedro Pérez-Cutillas, Yusuf Özbel, Seray Töz, Gad Baneth, Begoña Monge-Maillo, Elkhan Gasimov, Yves Van der Stede, Gregorio Torres, Céline M. Gossner, Eduardo Berriatua
  • Ano de Publicação: 2023
  • Journal: Plos Neglected Tropical Diseases
  • Link: https://doi.org/10.1371/journal.pntd.0011497

Abstract   Background This study describes the spatial and temporal distribution between 2005 and 2020 of human and animal leishmaniasis by Leishmania infantum in European countries reporting autochthonous cases, and highlights potential activities to improve disease control.   Methodology/Principal findings It was based on a review of the scientific literature and data reported by the […]
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Prevalence of asymptomatic Leishmania infection and knowledge, perceptions, and practices in blood donors in mainland Portugal

  • Autores: Rafael Rocha, Luzia Gonçalves, Cláudia Conceição, Patrícia Andrade, José Manuel Cristóvão, Jorge Condeço, Beatriz Delgado, Cristina Caeiro, Tetyana Kuzmenko, Eugénia Vasconcelos, Maria Antónia Escoval, Carmen Rey, Madalina Guz, Cláudia Norte, Carlos Aldeia, Diego Cruz, Carla Maia
  • Ano de Publicação: 2023
  • Journal: Parasites and Vectors
  • Link: https://doi.org/10.1186/s13071-023-05980-1

Abstract   Background Asymptomatic infection is the most common outcome of exposure to Leishmania parasites. In the Mediterranean region, where Leishmania infantum is endemic, studies on the prevalence of asymptomatic infection have often relied on serological testing in blood donors. In Spain, regional studies have shown seroprevalence in blood donors between 1 and 8%; in […]
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Unlocking the potential of snake venom-based molecules against the malaria, Chagas disease, and leishmaniasis triad

  • Autores: José Rafael Almeida, Ana Gomes, Bruno Mendes, Luísa Aguiar, Mariana Ferreira, Mariana Borges Costa Brioschi, Denise Duarte, Fátima Nogueira, Sofia Cortes, David Salazar-Valenzuela, Danilo C. Miguel, Cátia Teixeira, Paula Gameiro, Paula Gomes
  • Ano de Publicação: 2023
  • Journal: International Journal of Biological Macromolecules
  • Link: https://doi.org/10.1016/j.ijbiomac.2023.124745

Abstract Malaria, leishmaniasis and Chagas disease are vector-borne protozoal infections with a disproportionately high impact on the most fragile societies in the world, and despite malaria-focused research gained momentum in the past two decades, both trypanosomiases and leishmaniases remain neglected tropical diseases. Affordable effective drugs remain the mainstay of tackling this burden, but toxicicty, inneficiency […]
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Alphaviruses Detected in Mosquitoes in the North-Eastern Regions of South Africa, 2014 to 2018

  • Autores: Milehna M. Guarido, Isabel Fourie, Kgothatso Meno, Adriano Mendes, Megan A. Riddin, Caitlin MacIntyre, Sontaga Manyana, Todd Johnson, Maarten Schrama, Erin E. Gorsich, Basil D. Brooke, Antonio Paulo G. Almeida, Marietjie Venter
  • Ano de Publicação: 2023
  • Journal: Viruses-Basel
  • Link: https://www.mdpi.com/1999-4915/15/2/414

Abstract The prevalence and distribution of African alphaviruses such as chikungunya have increased in recent years. Therefore, a better understanding of the local distribution of alphaviruses in vectors across the African continent is important. Here, entomological surveillance was performed from 2014 to 2018 at selected sites in north-eastern parts of South Africa where alphaviruses have […]
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HIV-1-Transmitted Drug Resistance and Transmission Clusters in Newly Diagnosed Patients in Portugal Between 2014 and 2019

  • Autores: Marta Pingarilho, Victor Pimentel, Mafalda N. S. Miranda, Ana Rita Silva, António Diniz, Bianca Branco Ascenção, Carmela Piñeiro, Carmo Koch, Catarina Rodrigues, Cátia Caldas, Célia Morais, Domitília Faria, Elisabete Gomes da Silva, Eugénio Teófilo, Fátima Monteiro, Fausto Roxo, Fernando Maltez, Fernando Rodrigues, Guilhermina Gaião, Helena Ramos, Inês Costa, Isabel Germano, Joana Simões, Joaquim Oliveira, José Ferreira, José Poças, José Saraiva da Cunha, Jorge Soares, Júlia Henriques, Kamal Mansinho, Liliana Pedro, Maria João Aleixo, Maria João Gonçalves, Maria José Manata, Margarida Mouro, Margarida Serrado, Micaela Caixeiro, Nuno Marques, Olga Costa, Patrícia Pacheco, Paula Proença, Paulo Rodrigues, Raquel Pinho, Raquel Tavares, Ricardo Correia de Abreu, Rita Côrte-Real, Rosário Serrão, Rui Sarmento e Castro, Sofia Nunes, Telo Faria, Teresa Baptista, Maria Rosario O. Martins, Perpetua Gomes, Luís Mendão, Daniel Simões, Ana Abecasis
  • Ano de Publicação: 2022
  • Journal: Frontiers in Microbiology
  • Link: https://www.frontiersin.org/articles/10.3389/fmicb.2022.823208/full?&utm_source=Email_to_authors_&utm_medium=Email&utm_content=T1_11.5e1_author&utm_campaign=Email_publication&field=&journalName=Frontiers_in_Microbiology&id=823208

The “Treatment for All” program was implemented in many countries with an aim to offer treatment and care to anyone diagnosed with HIV, regardless of the stage of infection (CD4 cell count). In Portugal, this program was implemented in 2015 [World Health Organiztion (WHO), 2021]. The widespread use and increased coverage of antiretroviral therapy (ART) […]
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Anemia in Pregnant Women and Children Aged 6 to 59 Months Living in Mozambique and Portugal: An Overview of Systematic Reviews

  • Autores: Réka Maulide Cane, José Braz Chidassicua, Luís Varandas, Isabel Craveiro
  • Ano de Publicação: 2022
  • Journal: International Journal of Environmental Research and Public Health

Abstract: Introduction: Globally, anemia is still a public health issue faced by people in low and high-income countries. This study gives an overview of published scientific articles related to the prevalence, nutritional indicators, and social determinants of anemia in pregnant women and children aged 6 to 59 months living in Mozambique and Portugal. Methods: We […]
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1,2,4-Trioxolane and 1,2,4,5-Tetraoxane Endoperoxides against Old-World Leishmania Parasites: In Vitro Activity and Mode of Action

  • Autores: Andreia Mendes, Ana Armada, Lília I. L. Cabral, Patrícia S. M. Amado, Lenea Campino, Maria L. S. Cristiano, Sofia Cortes
  • Ano de Publicação: 2022
  • Journal: Mdpi
  • Link: https://www.mdpi.com/1424-8247/15/4/446

Abstract Leishmaniasis remains one of the ten Neglected Tropical Diseases with significant morbidity and mortality in humans. Current treatment of visceral leishmaniasis is difficult due to a lack of effective, non-toxic, and non-extensive medications. This study aimed to evaluate the selectivity of 12 synthetic endoperoxides (1,2,4-trioxolanes; 1,2,4,5-tetraoxanes) and uncover their biochemical effects on Leishmania parasites responsible for […]
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Determinants of Late HIV Presentation at Ndlavela Health Center in Mozambique

  • Autores: Jeremias Salomão Chone, Ama Barroso Abecasis, Luís Varandas
  • Ano de Publicação: 2022
  • Journal: Mdpi
  • Link: https://www.mdpi.com/1660-4601/19/8/4568

Abstract Background: There has been tremendous progress in the fight against HIV worldwide; however, challenges persist in the control of HIV infection. These challenges include the high prevalence of late presenters. There are many disadvantages of late presentation—from reduced survival of the infected person to the risk of transmitting the infection. This research aims to […]
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Trends of Transmitted and Acquired Drug Resistance in Europe From 1981 to 2019: A Comparison Between the Populations of Late Presenters and Non-late Presenters

  • Autores: Mafalda N. S. Miranda, Marta Pingarilho, Victor Pimentel, Rolf Kaiser, Carole Seguin-Devaux, Roger Paredes, Maurizio Zazzi, Francesca Incardona Ana B. Abecasis
  • Ano de Publicação: 2022
  • Journal: Frontiers in Microbiology
  • Link: https://www.frontiersin.org/articles/10.3389/fmicb.2022.846943/full

Background: The increased use of antiretroviral therapy (ART) has decreased mortality and morbidity of HIV-1 infected people but increasing levels of HIV drug resistance threatens the success of ART regimens. Conversely, late presentation can impact treatment outcomes, health costs, and potential transmission of HIV. Objective: To describe the patterns of transmitted drug resistance (TDR) and acquired drug […]
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HIV-1 Transmitted drug resistance and transmission clusters in newly diagnosed patients in Portugal between 2014 and 2019

  • Autores: Marta Pingarilho, Victor Pimentel, Mafalda N. Miranda, Ana R. Silva, António Diniz, Bianca Ascenção, Carmela Piñero, Carmo Koch, Catarina Rodrigues, Cátia Caldas, Célia Morais, Domitília Faria, Elisabete G. Silva, Eugénio Teófilo, Fátima Monteiro, Fausto Roxo, Fernando Maltez, Fernando Rodrigues, Guilhermina Gaião, Helena Ramos, Inês Costa, Isabel Germano, Joana Simões, Joaquim Oliveira, José Ferreira, José Poças, José Saraiva da Cunha, Jorge Soares, Júlia Henriques, Kamal Mansinho, Liliana Pedro, Maria J. Aleixo, Maria J. Gonçalves, Maria J. Manata, Margarida Mouro, Margarida Serrado, Micaela Caixeiro, Nuno Marques, Olga Costa, Patrícia Pacheco, Paula Proença, Paulo Rodrigues, Raquel Pinho, Raquel Tavares, Ricardo Correia de Abreu, Rita Côrte-Real, Rosário Serrão, Rui Sarmento-Castro, Sofia Nunes, Telo Faria, Teresa Baptista, Perpetua Gomes, Ana Abecasis
  • Ano de Publicação: 2022
  • Journal: Frontiers in Microbiology
  • Link: https://www.frontiersin.org/articles/10.3389/fmicb.2022.823208/abstract%20

Objective: To describe and analyze Transmitted Drug Resistance (TDR) between 2014 and 2019 in newly infected HIV-1 patients in Portugal and to characterize its transmission networks. Methods: Clinical, socio-epidemiological and risk behavior data was collected from 820 newly diagnosed patients in Portugal between September 2014 and December 2019. Sequences obtained from drug resistance testing were […]
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