Effects of adipose-derived mesenchymal cells on ischemia–reperfusion injury in kidney
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Acute kidney injury (AKI) is a critical condition for kidney and other remote organs, including the lung. However, available treatments for AKI are limited. In this study, we explored the effect of adipose-derived mesenchymal cells on a mouse model of AKI.
Adipose-derived mesenchymal cells were isolated from mouse subcutaneous and peritoneal adipose tissue by digestion with collagenase type I. The left renal artery and vein of C57BL/6 mice were clamped for 45 min to induce ischemia and were injected with the adipose-derived mesenchymal cells [1 × 105 cells/0.2 ml phosphate-buffered saline (PBS)] or 0.2 ml PBS via the tail vein on days 0, 1, and 2.
The adipose-derived mesenchymal cells had stem-cell surface markers and multilineage differentiating potentials. Administered adipose-derived mesenchymal cells homed primarily into lung. Interestingly, repeated administration of adipose-derived mesenchymal cells reduced acute tubular necrosis and interstitial macrophage infiltration in the injured kidney, accompanied with reduced cytokine and chemokine expression.
Adipose-derived mesenchymal cells can be used as cell-based therapy for ischemic kidney injury.
KeywordsAcute kidney injury Ischemic kidney injury Adipose-derived mesenchymal cells Chemokines
The work was financially supported in part by grants-in-aids from the Ministry of Education, Culture, Sports, Science, and Technology of the Japanese Government.
Conflict of interest
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