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Blood Gene Expression Signatures Predict Invasive Candidiasis


ABSTRACT: Focusing on host response to infection, we utilized a murine model to develop a  blood gene expression signature that accurately classified mice with candidemia and distinguished candidemia from S. aureus bacteremia.  Validation of the signature was achieved in an independent cohort of mice. BALB/c male mice were injected with either normal saline, C.albicans, or S.aureus and sacrificed at pre-set time points of 24, 48, 72-96 hrs (Infection Duration). Blood was placed in RNA Later (R) for RNA expression analysis and the right kidney collected for analysis of pathogen burden.

ORGANISM(S): Mus musculus

SUBMITTER: Hamza Aziz 

PROVIDER: E-GEOD-20524 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Blood gene expression signatures predict invasive candidiasis.

Zaas Aimee K AK   Aziz Hamza H   Lucas Joseph J   Perfect John R JR   Ginsburg Geoffrey S GS  

Science translational medicine 20100301 21


Candidemia is the fourth most common bloodstream infection, with Candida albicans being the most common causative species. Success in reducing the associated morbidity and mortality has been limited by the inadequacy and time delay of currently available diagnostic modalities. Focusing on host response to infection, we used a murine model to develop a blood gene expression signature that accurately classified mice with candidemia and distinguished candidemia from Staphylococcus aureus bacteremia  ...[more]

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