Journal
INFECTION AND IMMUNITY
Volume 74, Issue 5, Pages 3065-3067Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/IAI.74.5.3065-3067.2006
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Funding
- NIAID NIH HHS [AI065619, R21 AI065619] Funding Source: Medline
- NIDDK NIH HHS [DK064750, R01 DK064750-01A1, R01 DK056160, R01 DK064750-04, R01 DK056160-05, R01 DK056160-02, P30 DK040561-11, R01 DK064750-02, R01 DK064750, P30 DK040561, R01 DK056160-03, DK05610, R01 DK056160-01, R01 DK064750-03, P30 DK040561-06, R01 DK056160-04] Funding Source: Medline
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We investigated the influence of the macrophage iron exporter ferroportin and its ligand hepcidin on intracellular Salmonella growth. Elevated ferroportin expression inhibited bacterial multiplication; hepcidin-induced ferroportin down-regulation enhanced it. Expression analysis of iron-responsive Salmonella genes indicated ferroportin-mediated iron deprivation. These results demonstrate a role for ferroportin in antimicrobial resistance.
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