Canonical Wnt signaling in the kidney in different hypertension models.

There is a close relationship between the kidney and blood pressure. On the one hand, kidney dysfunction causes an increase in blood pressure; on the other hand, high blood pressure causes kidney dysfunction. Wnt/β-catenin signaling is a key pathway that regulates various cellular processes and tissue homeostasis and is also involved in damage and repair processes. In healthy organs, Wnt/β-catenin signaling is muted, but it is activated in pathological states. The purpose of the present study was to immunohistochemically evaluate and compare the expression of WNT4, WNT10A, Fzd8, β-catenin, and GSK-3ß (glycogen synthase kinase 3β) in the kidneys of rats with essential arterial hypertension (SHR), renal-renal hypertension (2K1C), and DOCA-salt-induced hypertension. The study was performed on five male WKY rats, seven SHRs, and twenty-four (n = 24) young male Wistar rats. The main results showed that during hypertension, there are changes in Wnt/β-catenin signaling in the kidneys of rats, and the severity of these changes depends on the type of hypertension. This study is the first to assess the levels of some elements of the canonical Wnt/β-catenin signal transduction pathway in various types of arterial hypertension by immunohistochemistry and may form the basis for further molecular and functional studies of this pathway in hypertension. © 2021. The Author(s), under exclusive licence to The Japanese Society of Hypertension.

Citation

Irena Kasacka, Zaneta Piotrowska, Natalia Domian, Magdalena Acewicz, Alicja Lewandowska. Canonical Wnt signaling in the kidney in different hypertension models. Hypertension research : official journal of the Japanese Society of Hypertension. 2021 Sep;44(9):1054-1066

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PMID: 34226678

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