Author:
Yang Chih-Chao,Sung Pei‐Hsun,Chen Chih-Hung,Chiang John Y.,Shao Pei-Lin,Wu Shun-Cheng,Yip Hon‐Kan
Abstract
Abstract
Background
This study tested whether human induced-pluripotent stem-cell-derived mesenchymal-stem-cells (iPS-MSCs) would offer an additional benefit to the rodent with acute kidney injury (AKI) (ischemia for 1 h followed by reperfusion for 120 h) associated sepsis syndrome (SS) (by cecal-ligation-puncture immediately after AKI-induction) undergoing ciprofloxacin therapy.
Results
Male-adult SD rats (n = 80) were categorized into group 1 (sham-operated-control, n = 10), group 2 (AKI + SS, n = 24), group 3 (AKI + SS + ciprofloxacin/3 mg/kg, orally for 120 h, n = 12), group 4 (AKI + SS + iPS-MSCs/1.2 × 106/intravenously administered by 3 h after AKI, n = 12), group 5 (AKI + SS + iPS-MSCs/1.2 × 106/intravenously administered by 18 h after AKI, n = 12), group 6 (AKI + SS + iPS-MSCs/1.2 × 106/intravenously administered by 3 h after AKI induction + ciprofloxacin, n = 10] and euthanized by 120 h. The result showed that the mortality was significantly higher in group 2 than in other groups (all p < 0.01). The creatinine level was highest in group 2, lowest in group 1, significantly lower in group 6 than in groups 3, 4 and 5, (all p < 0.0001), but it showed no difference among the latter 3 groups. Flow cytometric analysis showed that the circulatory inflammatory cells (Ly6G/CD11b/c), early (AN-V+/PI−)/late (AN-V+/PI+) apoptosis, and circulatory/splenic immune cells (CD3+/CD4+, CD3+/CD8a+) were highest in group 2, lowest in group 1, significantly lower in group 6 than in groups 3/4/5 and significantly lower in group 4 than in groups 3/5 (all p < 0.0001), but they showed no difference between groups 3/5. Protein expressions of oxidative-stress (NOX-1/NOX2/oxidized protein), apoptotic (cleaved-caspase3/cleaved-PARP/mitochondrial-Bax), fibrotic (TGF-ß/Smad3), inflammatory (MMP-9/IL-6/TNF-α) and autophagic (Atg5/Beclin) biomarkers in kidney exhibited an identical pattern of circulatory inflammatory cells (all p < 0.0001).
Conclusion
Combined iPS-MSCs-ciprofloxacin therapy was superior to either one alone for protecting AKI complicated by SS.
Funder
kaohsiung chang gung memorial hospital
Publisher
Springer Science and Business Media LLC
Subject
Cell Biology,Biochemistry, Genetics and Molecular Biology (miscellaneous),Molecular Medicine,Medicine (miscellaneous)
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