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Immunology and Infectious Disease Commons

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Full-Text Articles in Immunology and Infectious Disease

Extracellular Vesicle-Mediated Macrophage Activation: An Insight Into The Mechanism Of Thioredoxin-Mediated Immune Activation, Chontida Yarana, Hannah Thompson, Luksana Chaiswing, D. Allan Butterfield, Heidi L. Weiss, Subbarao Bondada, Sara S. Alhakeem, Suriyan Sukati, Daret K. St. Clair Sep 2019

Extracellular Vesicle-Mediated Macrophage Activation: An Insight Into The Mechanism Of Thioredoxin-Mediated Immune Activation, Chontida Yarana, Hannah Thompson, Luksana Chaiswing, D. Allan Butterfield, Heidi L. Weiss, Subbarao Bondada, Sara S. Alhakeem, Suriyan Sukati, Daret K. St. Clair

Toxicology and Cancer Biology Faculty Publications

Extracellular vesicles (EVs) generated from redox active anticancer drugs are released into the extracellular environment. These EVs contain oxidized molecules and trigger inflammatory responses by macrophages. Using a mouse model of doxorubicin (DOX)-induced tissue injury, we previously found that the major sources of circulating EVs are from heart and liver, organs that are differentially affected by DOX. Here, we investigated the effects of EVs from cardiomyocytes and those from hepatocytes on macrophage activation. EVs from H9c2 rat cardiomyocytes (H9c2 EVs) and EVs from FL83b mouse hepatocytes (FL83 b EVs) have different levels of protein-bound 4-hydroxynonenal and thus different immunostimulatory effects …


Equine Serum Antibody Responses To Streptococcus Equi And Streptococcus Zooepidemicus, Rafaela De Negri Jan 2013

Equine Serum Antibody Responses To Streptococcus Equi And Streptococcus Zooepidemicus, Rafaela De Negri

Theses and Dissertations--Veterinary Science

Streptococcus zooepidemicus (Sz) and Streptococcus equi (Se) share 98% DNA sequence homology, but display different pathogenic properties. Infection by one organism does not cross-protect against the other. To better understand pathogenic differences between these organisms and gain information about which proteins are expressed in horses infected experimentally with Se, intrauterine Sz or naturally with respiratory Sz we compared antibody specificities of convalescent sera using ELISA. These comparisons were based on sets of 8 and 14 immunoreactive recombinant proteins of Se strain CF32 and Sz strain NC78, respectively. Sera from donkeys that were previously naturally affected with strangles and later developed …