نتایج جستجو برای: neutrophil extracellular traps nets

تعداد نتایج: 195658  

2015
Elzbieta Kolaczkowska Craig N. Jenne Bas G. J. Surewaard Ajitha Thanabalasuriar Woo-Yong Lee Maria-Jesus Sanz Kerri Mowen Ghislain Opdenakker Paul Kubes

Neutrophil extracellular traps (NETs) composed of DNA decorated with histones and proteases trap and kill bacteria but also injure host tissue. Here we show that during a bloodstream infection with methicillin-resistant Staphylococcus aureus, the majority of bacteria are sequestered immediately by hepatic Kupffer cells, resulting in transient increases in liver enzymes, focal ischaemic areas an...

Journal: :Infection and immunity 2014
Joshua C Eby Mary C Gray Erik L Hewlett

The adenylate cyclase toxin (ACT) of Bordetella pertussis intoxicates target cells by generating supraphysiologic levels of intracellular cyclic AMP (cAMP). Since ACT kills macrophages rapidly and potently, we asked whether ACT would also kill neutrophils. In fact, ACT prolongs the neutrophil life span by inhibiting constitutive apoptosis and preventing apoptosis induced by exposure to live B. ...

2015
Fernanda Nazaré Morgado Michelle T. C. Nascimento Elvira M. Saraiva Carla de Oliveira-Ribeiro Maria de Fátima Madeira Marcela da Costa-Santos Erica C. F. Vasconcellos Maria Ines F. Pimentel Marcelo Rosandiski Lyra Armando de Oliveira Schubach Fátima Conceição-Silva Nades Palaniyar

Neutrophil extracellular traps (NETs) have been described as a network of extracellular fibers composed by DNA, histones and various proteins/enzymes. Studies have demonstrated that NETs could be responsible for the trapping and elimination of a variety of infectious agents. In order to verify the presence of NETs in American tegumentary leishmaniasis (ATL) and their relationship with the prese...

2017
R. Villagra-Blanco L.M.R. Silva A. Aguilella-Segura I. Arcenillas-Hernández C. Martínez-Carrasco A. Seipp U. Gärtner R. Ruiz de Ybañez A. Taubert C. Hermosilla

Neutrophil extracellular traps (NETs) are web-like structures composed of nuclear DNA decorated with histones and cytoplasmic peptides which antiparasitic properties have not previously been investigated in cetaceans. Polymorphonuclear neutrophils (PMN) were isolated from healthy bottlenose dolphins (Tursiops truncatus), and stimulated with Neospora caninum tachyzoites and the NETs-agonist zymo...

2017
Youngwoo Choi Le Duy Pham Dong-Hyun Lee Ga-Young Ban Ji-Ho Lee Seung-Hyun Kim Hae-Sim Park

The hypothesis of autoimmune involvement in asthma has received much recent interest. Autoantibodies, such as anti-cytokeratin (CK) 18, anti-CK19, and anti-α-enolase antibodies, react with self-antigens and are found at high levels in the sera of patients with severe asthma (SA). However, the mechanisms underlying autoantibody production in SA have not been fully determined. The present study w...

Journal: :Thrombosis and haemostasis 2018
Aldo Bonaventura Luca Liberale Federico Carbone Alessandra Vecchié Candela Diaz-Cañestro Giovanni G Camici Fabrizio Montecucco Franco Dallegri

Neutrophil pathogen-killing mechanism termed neutrophil extracellular traps (NETs) has been recently identified. NETs consist of chromatin and histones along with serine proteases and myeloperoxidase and are induced by a great variety of infectious and non-infectious stimuli. NETosis is a kind of programmed neutrophil death characterized by chromatin decondensation and release of nuclear granul...

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