Infection Paracoccidioides
Mostrando 13-24 de 74 artigos, teses e dissertações.
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13. Produção e eficácia de anticorpos gerados contra glicolipídios de Paracoccidioides brasiliensis / Production and efficacy of antibodies generated against glycolipids of P. brasiliensis
Paracoccidioidomycosis (PCM) is a systemic fungal infection most prevalent in Latin America, whose etiologic agent, Paracoccidioides brasiliensis, is a yeast with a complex cell wall structure consisting of proteins, glycoproteins, polysaccharides, lipids, and melanin polypeptides that gather physical, chemical and biological conditions to serve as antigens.
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 10/10/2012
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14. Infecção pelo Paracoccidioides brasiliensis em população de assentamentos rurais de Jaraguari, Mato Grosso do Sul. Estudo epidemiológico utilizando a intradermorreação com gp43 e retestagem para avaliação do fenômeno booster.
Estudos sobre a epidemiologia da infecção paracoccidióidica são baseados em inquéritos realizados com testes intradérmicos, sendo a paracoccidioidina o antígeno mais utilizado, contudo, reações cruzadas com outras infecções fúngicas têm sido relatadas. A glicoproteína de 43 - kDa (gp43) por ser o componente mais antigênico do Paracoccidioides
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 24/02/2012
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15. Production of TNF-α, nitric oxide and hydrogen peroxide by macrophages from mice with paracoccidioidomycosis that were fed a linseed oil-enriched diet
Omega-3 polyunsaturated fatty acids (n-3 PUFA) can modulate the immune system and their primary effect is on macrophage function. Paracoccidioidomycosis (PCM) is an endemic systemic mycosis in Latin America that is caused by the dimorphic fungus Paracoccidioides brasiliensis (Pb). Macrophages are the main defence against this pathogen and have microbicidal a
Memórias do Instituto Oswaldo Cruz. Publicado em: 2012-05
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16. Avaliação da participação das células NK (células CD56+) na resposta ao paracoccidioides brasiliensis / Evaluation of the role of natural killer cells (CD56+ cells) in the immunological response against paracoccidioides brasiliensis infection
Tradicionalmente o papel das células NK na resposta imunológica tem sido associado com a resistência à infecção viral e tumores, porém estudos recentes apontam para a participação destas células na resposta imunológica contra outras doenças infecciosas. O objetivo deste estudo foi avaliar a possível participação de células NK (CD56+CD3-) na r
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 19/08/2010
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17. Interleukin-15 augments oxidative metabolism and fungicidal activity of human monocytes against Paracoccidioides brasiliensis
Interleukin (IL)-15 is a pleiotropic cytokine that regulates the proliferation and survival of many cell types. IL-15 is produced by monocytes and macrophages against infectious agents and plays a pivotal role in innate and adaptive immune responses. This study analyzed the effect of IL-15 on fungicidal activity, oxidative metabolism and cytokine production
Memórias do Instituto Oswaldo Cruz. Publicado em: 2010-11
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18. Protein-losing enteropathy in paracoccidioidomycosis identified by scintigraphy: report of three cases
Paracoccidioidomycosis (PCM) or South American Blastomycosis is a systemic fungal infection caused by a dimorphic fungus, Paracoccidioides brasiliensis. It represents the most important systemic mycosis in South America and with higher prevalence among male inhabitants of the rural area. PCM usually affects the lungs, and rarely the intestines. The authors r
Brazilian Journal of Infectious Diseases. Publicado em: 2010-10
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19. Simultaneous infection of human host with genetically distinct isolates of Paracoccidioides brasiliensis
This study is the first report on genetic differences between isolates of Paracoccidioides brasiliensis from a single patient. We describe a simultaneous infection with genetically distinct isolates of P. brasiliensis in a patient with chronic paracoccidioidomycosis. The clinical isolates were obtained from lesions in different anatomical sites and were char
Memórias do Instituto Oswaldo Cruz. Publicado em: 2010-02
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20. Road-killed wild animals: a preservation problem useful for eco-epidemiological studies of pathogens
Road-killed wild animals have been for years used for surveillance of vectors of zoonotic pathogens and may offer new opportunities for eco-epidemiological studies. In the current study, fungal infection was evaluated by PCR and nested-PCR in tissue samples collected from 19 road-killed wild animals. The necropsies were carried out and samples were collected
Journal of Venomous Animals and Toxins including Tropical Diseases. Publicado em: 2010
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21. Paracoccidioidomicose: estudo experimental em Calomys callosus
Paracoccidioides brasiliensis é um fungo termodimórfico causador da paracoccidioidomicose, a mais prevalente micose profunda e sistêmica da América Latina, ocorrendo principalmente no Brasil. Calomys callosus, Rengger 1830 (Rodentia, Cricetidae), é um roedor selvagem encontrado no Brasil Central, que tem se mostrado susceptível a infecção experimenta
Publicado em: 2010
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22. O receptor de reconhecimento de patógenos TLR-2 e a proteína adaptadora MYD88 apresentam um importante papel na infecção murina contra o Paracoccidioides brasiliensis / The pathogen recognition receptor TLR-2 and the adaptor protein MyD88 have an important role in the innate and adaptive immunity against Paracoccidioides brasiliensis infection
Os mecanismos imunológicos que governam a interação entre o fungo Paracoccidioides brasiliensis e o hospedeiro têm sido pouco estudados. Tanto os componentes do fungo como os receptores dos fagócitos envolvidos nesta interação são pouco conhecidos. Baseados nestes fatos, nosso trabalho teve por objetivo caracterizar in vitro e in vivo o envolvimento
Publicado em: 2010
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23. Induction of apoptosis in A549 pulmonary cells by two Paracoccidioides brasiliensis samples
Paracoccidioidomycosis presents a variety of clinical manifestations and Paracoccidioides brasiliensis can reach many tissues, most importantly the lungs. The ability of the pathogen to interact with host surface structures is essential to its virulence. The interaction between P. brasiliensis and epithelial cells has been studied, with particular emphasis o
Memórias do Instituto Oswaldo Cruz. Publicado em: 2009-08
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24. Resistance of melanized yeast cells of Paracoccidioides brasiliensis to antimicrobial oxidants and inhibition of phagocytosis using carbohydrates and monoclonal antibody to CD18
Paracoccidioides brasiliensis, a thermal dimorphic fungal pathogen, produces a melanin-like pigment in vitro and in vivo. We investigated the involvement of carbohydrates and monoclonal antibody to CD18, on phagocytosis inhibition, involving macrophage receptors and the resistance of melanized fungal cells to chemically generated nitric oxide (NO), reactive
Memórias do Instituto Oswaldo Cruz. Publicado em: 2009-07