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https://www.selleckchem.com/products/pd-166866.html Introduction Kidney ischemia/reperfusion injury (IRI) is the leading cause of acute kidney injury (AKI). Kidney IRI demonstrated apoptosis of epithelial cells in acute phase followed by proliferation of interstitial cells in chronic episode, and cellular senescence may contribute to development of AKI, however, its occurrence within acute or chronic episodes is still not completely understood. Methods Kidney IRI was performed with bilateral pediculus clamping in Swiss Background mice (3 months, 30-40g). Mice were euthanised on day one (I/R1, n=6), day eight (I/R8, n=6), and day twelve (I/R12, n=6) to exam acute and chronic episodes. Sham operation procedure was performed in the control. Tubular injury was assessed based on periodic acid- Schift (PAS) staining. Reverse transcriptase PCR (RT-PCR) was done to quantify mRNA expression of Bax, Bcl-2, and p16. Immunohistostaining (IHC) was performed to examine localisation of apoptosis (p53) and proliferation (Bcl-2). Results RT-PCR analysis showed upregulation of mRNA expression of Bcl-2, Bax, and p16 (p less then 0.05). The data showed that ischemia/reperfusion induces upregulation of Bax (p=0.20), Bcl-2 (p=0.45), p16 (p=0.18). Apoptosis and proliferation occurred in the epithelial cells in acute episodes, but occurred in interstitial areas in chronic episodes. Conclusions Ischemia/reperfusion injury induces upregulation proliferation, apoptosis, and cellular senescence in acute kidney injury. Apoptosis reached its peak on day 1, proliferation on day 8, and cellular senescence on day 12.Introduction Uric acid is associated with cardiometabolic risk factor and severity of liver damage. The mechanism of uric acid inducing liver damage is still elusive. This study elucidates the development of liver fibrosis under hyperuricemia. Methods and materials Hyperuricemia model was performed in male Swiss Webster mice. Intraperitoneally injection of uric acid (125mg/kg body weigh

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