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This research investigates how macrophages change during the stages of liver injury using imaging techniques.

April 12, 2026Open Access

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

Puntos clave

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.

Resumen

Liver △ R 2 * was highest during the inflammatory stage and partially reversed during the resolution stage, reflecting macrophage dynamics. Immunofluorescence showed increased macrophage number and uptake during inflammation, decreasing during resolution. Iron concentration significantly correlated with △ R 2 * , macrophage number, and total fluorescence intensity.

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