Inflammatory and resolution stages of hepatic injury: imaging with USPIO-enhanced MRI in mice

Key Points

• This research investigates how macrophages change during the stages of liver injury using imaging techniques.
• Used USPIO-enhanced MRI to visualize liver injury in mice.
• Conducted immunofluorescence to assess macrophage presence and behavior.
• Measured iron concentration and its correlation with imaging findings.
• Increased R2* values during the inflammatory stage indicate high macrophage activity.
• Macrophage numbers and iron concentration decreased during the resolution stage.
• Significant positive correlations found between R2* values, macrophage counts, and fluorescence intensity.