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| Content Provider | PubMed Central |
|---|---|
| Author | Ardura, Monica I. Romain, Banchereau Mejias, Asuncion Di, Pucchio Tiziana Glaser, Casey Florence, Allantaz Pascual, Virginia Jacques, Banchereau Chaussabel, Damien Ramilo, Octavio |
| Editor | Ratner, Adam J. |
| Copyright Year | 2009 |
| Abstract | Staphylococcus aureus has emerged as a significant pathogen causing severe invasive disease in otherwise healthy people. Despite considerable advances in understanding the epidemiology, resistance mechanisms, and virulence factors produced by the bacteria, there is limited knowledge of the in vivo host immune response to acute, invasive S. aureus infections. Herein, we report that peripheral blood mononuclear cells from patients with severe S. aureus infections demonstrate a distinctive and robust gene expression profile which is validated in a distinct group of patients and on a different microarray platform. Application of a systems-wide modular analysis framework reveals significant over-expression of innate immunity genes and under-expression of genes related to adaptive immunity. Simultaneous flow cytometry analyses demonstrated marked alterations in immune cell numbers, with decreased central memory CD4 and CD8 T cells and increased numbers of monocytes. CD14+ monocyte numbers significantly correlated with the gene expression levels of genes related to the innate immune response. These results demonstrate the value of applying a systems biology approach that reveals the significant alterations in the components of circulating blood lymphocytes and monocytes in invasive S. aureus infections. |
| Related Links | http://dx.doi.org/10.1371/journal.pone.0005446 |
| Starting Page | 5446 |
| File Format | |
| ISSN | 19326203 |
| e-ISSN | 19326203 |
| Journal | PLoS ONE |
| Issue Number | 5 |
| Volume Number | 4 |
| Language | English |
| Publisher | Public Library of Science |
| Publisher Date | 2009-05-01 |
| Access Restriction | Open |
| Rights Holder | Public Library of Science |
| Subject Keyword | Biochemistry, Genetics and Molecular Biology(all) Agricultural and Biological Sciences(all) Medicine(all) Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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