Renal genetic mechanisms of essential hypertension

Paolo Manunta, Roberta Cerutti, Luca Bernardi, Paola Stella, Giuseppe Bianchi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Human essential hypertension is a polygenic disease whose phenotypic expression is modulated by the environment. Though the kidney could play a major role in the initiation and maintainment of hypertension, many questions remain open. Rat models of primary hypertension provided the substantial information with experiments on kidney cross-transplantation showing that at least a portion of hypertension could be transplanted with the kidney in all strains where such experiment has been carried out. Data consistent with those of rats have also been obtained in humans. Many abnormalities in kidney function and cell membrane on transport have been described in hypertensive rats and humans but the logical sequence of events going from a genetic-molecular abnormality to a cellular abnormality which causes hypertension via a modification of kidney function is difficult to prove. We established this sequence in Milan hypertensive rats using a variety of experimental techniques such as the study of isolated kidney and renal cell function, cell membrane ion transport, cross-immunisation with membrane proteins, molecular biology, genetic crosses and manipulation. Such study led to the identification of a polymorphism in the cytoskeletal protein adducin and to the demonstration of its role in blood pressure control. Recently, α-adducin variants have been associated to both human primary hypertension and salt sensitive hypertension. Finally, recent findings strongly support the hypothesis that adducin variants may affect kidney function by modulating the overall capacity of the tubular epithelial cells to transport ions through both a modification in the assembly of actin cytoskeleton, and a modulation of sodium pump activity.

Original languageEnglish
Pages (from-to)172-178
Number of pages7
JournalJournal of Nephrology
Volume10
Issue number4
Publication statusPublished - Jul 1997

Fingerprint

Kidney
Hypertension
Molecular Biology
Ion Transport
Genetic Crosses
Cell Membrane
Sodium-Potassium-Exchanging ATPase
Cytoskeletal Proteins
Essential Hypertension
Actin Cytoskeleton
Kidney Transplantation
Immunization
Membrane Proteins
Salts
Epithelial Cells
Blood Pressure
adducin

Keywords

  • Adducin genetics
  • High blood pressure
  • Kidney
  • Sodium-pump

ASJC Scopus subject areas

  • Nephrology

Cite this

Manunta, P., Cerutti, R., Bernardi, L., Stella, P., & Bianchi, G. (1997). Renal genetic mechanisms of essential hypertension. Journal of Nephrology, 10(4), 172-178.

Renal genetic mechanisms of essential hypertension. / Manunta, Paolo; Cerutti, Roberta; Bernardi, Luca; Stella, Paola; Bianchi, Giuseppe.

In: Journal of Nephrology, Vol. 10, No. 4, 07.1997, p. 172-178.

Research output: Contribution to journalArticle

Manunta, P, Cerutti, R, Bernardi, L, Stella, P & Bianchi, G 1997, 'Renal genetic mechanisms of essential hypertension', Journal of Nephrology, vol. 10, no. 4, pp. 172-178.
Manunta P, Cerutti R, Bernardi L, Stella P, Bianchi G. Renal genetic mechanisms of essential hypertension. Journal of Nephrology. 1997 Jul;10(4):172-178.
Manunta, Paolo ; Cerutti, Roberta ; Bernardi, Luca ; Stella, Paola ; Bianchi, Giuseppe. / Renal genetic mechanisms of essential hypertension. In: Journal of Nephrology. 1997 ; Vol. 10, No. 4. pp. 172-178.
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