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| Terkawi, Mohamad Alaa; Nishimura, Maki; Furuoka, Hidefumi. |
| In the current study, we examined the effects of depletion of phagocytes on the progression of Plasmodium yoelii 17XNL infection in mice. Strikingly, the depletion of phagocytic cells, including macrophages, with clodronate in the acute phase of infection significantly reduced peripheral parasitemia but increased mortality. Moribund mice displayed severe pathological damage, including coagulative necrosis in liver and thrombi in the glomeruli, fibrin deposition, and tubular necrosis in kidney. The severity of infection was coincident with the increased sequestration of parasitized erythrocytes, the systematic upregulation of inflammation and coagulation, and the disruption of endothelial integrity in the liver and kidney. Aspirin was administered to the... |
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Palavras-chave: Phagocytes; Macrophages; Phagocytosis; Plasmodium yoelii. |
| Ano: 2016 |
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4479 |
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| NAKAGAKI,BRENDA N.; FREITAS-LOPES,MARIA A.; CARVALHO,ÉRIKA; CARVALHO-GONTIJO,RAQUEL; CASTRO-OLIVEIRA,HORTÊNCIA M.; REZENDE,RAFAEL M.; CARA,DENISE C.; SANTOS,MÔNICA M.; LOPES,RODRIGO PESTANA; DAVID,BRUNA A.; MENEZES,GUSTAVO B.. |
| ABSTRACT Resident and circulating immune cells have been extensively studied due to their almost ubiquitous role in cell biology. Despite their classification under the “immune cell department”, it is becoming increasingly clear that these cells are involved in many different non-immune related phenomena, including fetus development, vascular formation, memory, social behavior and many other phenotypes. There is a huge potential in combining high-throughput assays - including flow cytometry and gene analysis - with in vivo imaging. This can improve our knowledge in both basic and clinical cell biology, and accessing the expression of markers that are relevant in the context of both homeostasis and disease conditions might be instrumental. Here we describe... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Intravital microscopy; Phagocytes; Liver immunology; Fluorescent markers; Hepatology; Gastroenterology; Immunology. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000200601 |
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| Agudelo-Flórez,P.; López,J.A.; Redher,J.; Carneiro-Sampaio,M.M.S.; Costa-Carvalho,B.T.; Grumach,A.S.; Condino-Neto,A.. |
| Chronic granulomatous disease (CGD) is an inherited disorder of the innate immune system characterized by a defective oxidative burst of phagocytes and subsequent impairment of their microbicidal activity. Mutations in one of the NADPH-oxidase components affect gene expression or function of this system, leading to the phenotype of CGD. Defects in gp91-phox lead to X-linked CGD, responsible for approximately 70% of CGD cases. Investigation of the highly heterogeneous genotype of CGD patients includes mutation analysis, Northern blot or Western blot assays according to the particular case. The aim of the present study was to use reverse transcription (RT)-PCR for the analysis of molecular defects responsible for X-linked CGD in eight Brazilian patients and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Superoxide; Phagocytes; Primary immunodeficiency; Respiratory burst; Neutrophils; Human. |
| Ano: 2004 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2004000500001 |
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