Hydrodynamic delivery for prevention of Acute Kidney Injury
The young field of gene therapy offers the promises of significant progress towards the treatment of many different types of human diseases. Gene therapy has been proposed as an innovative way to treat Acute Kidney Injury (AKI). Through proteomic analysis, the upregulation of two enzymes, IDH2 and SULT1C2, within the mitochondrial fraction has been identified following ischemic preconditioning, a treatment by which rat kidneys are protected from ischemia. Using the hydrodynamic fluid gene delivery technique, we were able to upregulate the expression of IDH2 and SULT1C2 in the kidney. We found that the delivery of IDH2 plasmid through hydrodynamic fluid delivery to the kidney resulted in increased mitochondrial oxygen respiration compared with injured kidneys without gene delivery. We also found that renal ischemic preconditioning altered the membrane fluidity of mitochondria. In conclusion, our study supports the idea that upregulated expression of IDH2 in mitochondria can protect the kidney against AKI, while the protective function of upregulated SULT1C2 needs to be further studied.
Atkinson, Purdue University.
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