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Xenon Treatment Protects Against Cold Ischemia Associated Delayed Graft Function and Prolongs Graft Survival in Rats
Abstract Prolonged hypothermic storage causes ischemia‐reperfusion injury (IRI) in the renal graft, which is considered to contribute to the occurrence of the delayed graft function (DGF) and chronic graft failure. Strategies are required to protect the graft and to prolong renal graft survival. We demonstrated that xenon exposure to human proximal tubular cells (HK‐2) led to activation of range of protective proteins. Xenon treatment prior to or after hypothermia–hypoxia challenge stabilized the HK‐2 cellular structure, diminished cytoplasmic translocation of high‐mobility group box (HMGB) 1 and suppressed NF‐...
Source: American Journal of Transplantation - May 24, 2013 Category: Transplant Surgery Authors: H. Zhao, H. R. Watts, M. Chong, H. Huang, C. Tralau‐Stewart, P. H. Maxwell, M. Maze, A. J. T. George, D. Ma Tags: Original Article Source Type: research

Tubular ischemia and toxicity
Conclusions: EPC-derived EVs protect the kidney from ischemic AKI by delivering mRNAs coding for factor H, DAF and CD59 to injured tubular epithelial and endothelial cells. These results confirmed previous data on the relevance of complement inhibition after kidney IRI and suggest the potential use of EPC-derived EVs as therapeutic option to avoid delayed graft function after kidney transplantation.
Source: Nephrology Dialysis Transplantation - May 10, 2013 Category: Urology & Nephrology Authors: Cantaluppi, V., Medica, D., Figliolini, F., Gatti, S., Bruno, S., Quercia, A. D., Dellepiane, S., Biancone, L., Tetta, C., Camussi, G., Zhou, L., Dai, X., Feng, M., Huang, X., Fu, P., Lan, H. Y., de Ramon, L., Ripoll, E., Luzardo, L., Merino, A., Bolanos, Tags: Abstracts Source Type: research

Cell signalling
Conclusions: Taken together, it is likely that klotho protects against renal fibrotic process accompanied by down-regulation of fibrotic markers, counteracting to TGF-β, and one of possible mechanism mediating translocation of Na/K ATPase, resulting in Ca+ channel stabilization/alternation of Ca+ ion concentration. Klotho should be involved in the accentuation of the progression of renal fibrosis in CKD.
Source: Nephrology Dialysis Transplantation - May 10, 2013 Category: Urology & Nephrology Authors: Tsuchiya, K., Shiohira, S., Sugiura, H., Suzuki, M., Okano, K., Nitta, K., Kaesler, N., Immendorf, S., Ouyang, C., Carmeliet, P., Floege, J., Kruger, T., Schlieper, G., Georgescu, A., Kalucka, J., Olbrich, S., Baumgartl, J., Hackenbeck, T., Eckardt, K.-U. Tags: Abstracts Source Type: research

Naked caspase 3 small interfering RNA is effective in cold preservation but not in autotransplantation of porcine kidneys
Conclusions: Naked caspase 3 siRNA administered into the kidney was effective in cold preservation but not enough to protect posttransplant kidneys, which might be because of systemic complementary responses overcoming local effects.
Source: Journal of Surgical Research - July 27, 2012 Category: Surgery Authors: Cheng Yang, Yichen Jia, Tian Zhao, Yinjia Xue, Zitong Zhao, Junlin Zhang, Jina Wang, Xuanchuan Wang, Yongyin Qiu, Miao Lin, Dong Zhu, Guisheng Qi, Yue Qiu, Qunye Tang, Ruiming Rong, Ming Xu, Sujie Ni, Bin Lai, Michael L. Nicholson, Tongyu Zhu, Bin Yang Tags: Transplantation/Immunology Source Type: research

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