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Preparation of Rat Skeletal Muscle Homogenates for Nitrate and Nitrite Measurements

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CHANGES OF PROTEINURIA AND ACID-REGULATING KIDNEY FUNCTION IN MATURE RATS WITH SLOW AND RAPID ACETYLATION TYPE UNDER

T Kmet¹, N Filipets¹, T Hrachova¹

¹Higher State Educational Establishment of Ukraine «Bukovinian State Medical University», Chernivtsi, Ukraine.

Georgian Medical News

|December 6, 2018

Summary

Acetylation phenotype influences kidney damage from cadmium-nitrate exposure in rats. Slow acetylators show higher susceptibility and increased proteinuria, indicating greater nephrotoxicity compared to rapid acetylators.

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Area of Science:

Toxicology
Pharmacogenetics
Renal Physiology

Background:

Cadmium and nitrate compounds are environmental toxicants.
Kidney damage (nephrotoxicity) is a significant health concern.
Acetylation phenotype influences drug and toxin metabolism.

Purpose of the Study:

To investigate the role of acetylation phenotype in cadmium-nitrate induced nephrotoxicity.
To assess the impact of slow versus rapid acetylation on renal function indices.

Main Methods:

Experiments were conducted on laboratory albino rats.
Subacute intoxication model using cadmium chloride and sodium nitrate.
Analysis of proteinuria and acid-regulating renal function.

Main Results:

Slow acetylators exhibited a significant increase in proteinuria (192.8%) and protein excretion (141.7%).
Rapid acetylators showed less protein loss and adaptive acid-regulating function, suggesting less severe tubular damage.
Nephropathy development is not excluded even in rapid acetylators.

Conclusions:

Acetylation phenotype is a critical factor in determining susceptibility to cadmium-nitrate nephrotoxicity.
Slow acetylators are more vulnerable to cadmium-nitrate induced kidney damage.
Further examination of renal functions and biochemical markers is crucial for assessing nephrotoxicity and guiding pharmacotherapy.