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Contrast-induced Nephropathy in an Animal Model: Evaluation of Novel Biomarkers in Blood and Tissue Samples

Contrast-induced Nephropathy in an Animal Model: Evaluation of Novel Biomarkers in Blood and Tissue Samples

Charalampos Mamoulakis, Irene Fragkiadoulaki, Phaedra Karkala, Georgios Georgiadis, Ioannis-Erineos Zisis, Polychronis Stivaktakis, Alexandra Kalogeraki, Ioannis Tsiaoussis, Tatyana Burykina, George Lazopoulos, etc.

Toxicol Rep. 2019 May 2;6:395-400.

PMID: 31080747

Abstract:

Identification of novel biomarkers of contrast-induced nephropathy (CIN) that may more accurately detect renal function changes; reflect kidney damage; assist monitoring; and elucidate pathophysiology attract considerable scientific attention nowadays. To evaluate novel biomarkers of nephrotoxicity in blood/tissue samples of a CIN model, 10 New Zealand white rabbits were divided into group 1 (n = 5; iopromide) and group 2 (n = 5; control). Blood was drawn at 0 h (immediately), 24 h and 48 h after contrast medium (CM) administration. Animals were euthanized at 48 h and kidneys were removed. Serum creatinine (sCr)/symmetric-asymmetric dimethylarginine (SDMA-ADMA) levels were measured. CM genotoxic/cytotoxic effect was investigated 48 h post-CM exposure using micronucleus assay in lymphocytes. Cytological examination was conducted using touch preparation technique (TPT). All animals in group 1 developed CIN: mean sCr levels increased by 68.2% within 48 h. Significant SDMA-ADMA level elevation was observed at 0 h and 24 h with insignificant drop at 48 h in group 1, remaining normal in group 2 at all time-points. Significant increase in bi-nucleated cells with micronuclei and micronuclei frequency was detected in group 1. Cytokinesis block proliferation index was reduced insignificantly in group 1. TPT revealed degenerative lesions/inflammation, cell degeneration, abnormal uterine tubular casts and rubella in kidneys of all animals in group 1. Group 2 presented normal cells.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP73334073-A	Iopromide		73334-07-3	Price

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