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Home / Archives for Esteves F

Molecular epidemiology and host genetics of norovirus and rotavirus infections in Portuguese elderly living in aged care homes

  • Autores: Piedade J, Nordgren J, Esteves F, Esteves A, Teodósio R, Svensson L, Istrate C
  • Ano de Publicação: 2019
  • Journal: Journal of Medical Virology
  • Link: https://www.ncbi.nlm.nih.gov/pubmed/30735247

Norovirus (NoV) and rotavirus group A (RVA) are major agents of acute gastroenteritis worldwide. This study aimed to investigate their epidemiological profile in Portuguese elderly living in long-term care facilities and to assess the host genetic factors mediating infection susceptibility. From November 2013 to June 2015, 636 faecal specimens from 169 elderly, mainly asymptomatic, living […]
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Laboratory diagnosis of Pneumocystis jirovecii pneumonia

  • Autores: Esteves F, Matos O
  • Ano de Publicação: 2016
  • Journal: Microbiology of respiratory system infection
  • Link: https://www.sciencedirect.com/science/article/pii/B9780128045435000130

Pneumocystis jirovecii pneumonia (PcP) remains a major cause of respiratory illness among immunosuppressed patients. PcP is difficult to diagnose, in particular in non-HIV-infected patients due to the lack of specific clinical data associated. Since P. jirovecii could not be cultivated for many years, microscopic visualization of cysts or trophic forms in respiratory specimens based on […]
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Multicentre study highlighting clinical relevance of new high-throughput methodologies in molecular epidemiology of Pneumocystis jirovecii pneumonia

  • Autores: Antunes F, Badura R, Bassat Q, Calderón EJ, de Armas Y, de Sousa B, Esteves F, Huang L, Maltez F, Matos O
  • Ano de Publicação: 2016
  • Journal: Clinical Microbiology and Infection
  • Link: https://www.ncbi.nlm.nih.gov/pubmed/27021425

Pneumocystis jirovecii causes severe interstitial pneumonia (PcP) in immunosuppressed patients. This multicentre study assessed the distribution frequencies of epidemiologically relevant genetic markers of P. jirovecii in different geographic populations from Portugal, the USA, Spain, Cuba and Mozambique, and the relationship between the molecular data and the geographical and clinical information, based on a multifactorial approach. The […]
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Serological diagnosis of pneumocystosis: production of a synthetic recombinant antigen for immunodetection of Pneumocystis jirovecii

  • Autores: Cardoso F, Esteves F, Matos O, Tomas AL
  • Ano de Publicação: 2016
  • Journal: Scientific Reports
  • Link: https://www.nature.com/articles/srep36287

Diagnosis of Pneumocystis pneumonia (PcP) relies on the detection of P. jirovecii in respiratory specimens obtained by invasive techniques. Thus, the development of a serological test is urgently needed as it will allow the diagnosis of PcP using blood, an inexpensive and non-invasive specimen. This study aims to combine the production of a multi-epitope synthetic […]
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Study of the epidemiology of Pneumocystis carinii f. sp. suis in abattoir swine in Portugal

  • Autores: Antunes F, Esgalhado R, Esteves F, Matos O
  • Ano de Publicação: 2013
  • Journal: Medical Mycology
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/22852751

Pneumocystis has been identified in various mammalian species, including domestic, wild and zoo animals. This study’s main objectives were: (1) to estimate the prevalence of the Pneumocystis carinii f. sp. suis infection in slaughtered pigs in Portugal, (2) assess the prevalence differences within distinct age groups of animals, (3) determine the possible associations between pulmonary lesions and the infection, and (4) genetically characterize the P. carinii f. sp. suis isolates recovered from infected animals using PCR with DNA sequencing.
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About GHTM

GHTM is a R&D Center that brings together researchers from IHMT with a track record in Tropical Medicine and International/Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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