Journal
METABOLITES
Volume 12, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/metabo12100999
Keywords
cyclosporine A; chronic kidney disease; oxidative stress; mild unconjugated hyperbilirubinemia
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Funding
- Deanship of Scientific Research at King Khalid University [R.G.P2/200/43]
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This study found that UGT1A1 antisense oligonucleotide and chitosan (CH) both had protective effects against CsA-induced kidney disease. The induced hyperbilirubinemia by UGT1A1 antisense oligonucleotide protected the kidneys from CsA-induced dysfunction through antioxidant, anti-inflammatory, and hormonal actions.
Cyclosporine A (CSA) is an immunosuppressive drug that has improved transplant survival rates. However, its use is often limited because it is thought to be linked to the development of chronic kidney disease after kidney transplants. This study aimed to investigate the protective effects and underlying mechanisms of physiological unconjugated (UC) hyperbilirubinemia mediated by UGT1A1 antisense oligonucleotide in a mouse model of CsA-induced chronic kidney disease, and match these with that of chitosan (CH) as a natural chelator against kidney injury. In the current study, CsA-treated mice were given an intravenous injection of UGT1A1 antisense morpholino oligonucleotide (16 mu g/kg) every third day for 14 days. In serum samples, bilirubin, creatinine, and urea were determined. Markers of oxidative stress, antioxidant activities, and mRNA expression of target genes PPAR-alpha, cFn, eNOS, NF-B, AT1-R, ETA-R, Kim-1, and NGAL were measured in the kidney tissues. Moreover, histopathological examinations were carried out on the kidney tissue. Physiological UC hyperbilirubinemia could be a promising protective strategy against CsA-induced kidney disease in transplant recipients. UGT1A1 antisense oligonucleotide-induced physiological UC hyperbilirubinemia serum significantly protected against CsA-induced kidney dysfunction. UCB acts as a signaling molecule that protects against kidney disease through different mechanisms, including antioxidant, anti-inflammatory, and hormonal action, by activating nuclear hormone receptors (PPAR-alpha). Moreover, it significantly downregulated mRNA expression of NF-kB, ETA-R, iNOS, AT1-R, cFn, Kim-1, and NGAL in the kidney tissue and alleviated CsA-induced kidney histological changes in CsA-treated mice.
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