November 5, 2023. A High Potassium Diet Can Downregulate Renin Expression

Article name: Dietary Potassium Downregulates Angiotensin-I Converting Enzyme, Renin, and Angiotensin Converting Enzyme 2

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This article was published in the Journal of Clinical Investigation in 2023. It is a study that compares the renin in renal tissue by immunohistochemistry of rat kidneys of rats that had a supplemented amount of potassium in the diet versus controls.

The kidneys in the rats with a diet with supplemented potassium had less number of juxtaglomerular cells positive for renin in the wall of afferent arterioles, and a significant reduction in renin mRNA abundance, compared to non potassium supplemented.

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