Cited by 122Hormonal Regulation and HypertensionPharmacological Effects of Natural CompoundsRenin-Angiotensin System Studies

Effect of Aldosterone and Glycyrrhetinic Acid on the Protein Expression of PAI-1 and p22phox in Human Mononuclear Leukocytes

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Calò, Lorenzo A., Zaghetto, Francesca, Pagnin, Elisa, Davis, Paul A., de Mozzi, Paola, Sartorato, Paola, Martire, Giuseppe, Fiore, Cristina +1 more·2004·The Journal of Clinical Endocrinology & Metabolism

Abstract

Aldosterone excess can produce heart and kidney fibrosis, which seem to be related to a direct effect of aldosterone at the level of specific receptors. We report a direct, mineralocorticoid-mediated effect on the protein expression of two markers of oxidative stress after incubation of mononuclear leukocytes with 1 × 10−8m aldosterone (p22phox/β-actin = 1.38 ± 0.05 and PAI-1/β-actin = 1.80 ± 0.05). The same effect was also found with 3 × 10−5m glycyrrhetinic acid, the principal constituent of licorice root (p22phox/β-actin = 1.37 ± 0.97 and PAI-1/β-actin = 1.80 ± 0.04). The effect of both aldosterone and glycyrrhetinic acid is blocked by incubation with added 1 × 10−6m of receptor-antagonist canrenone. Canrenone alone did not show any effect. PAI-1 related protein was also found using 4 × 10−9m aldosterone. Incubations with 1 × 10−9m for 3 hours as well as 1 × 10−8m aldosterone for 5, 10, and 20 minutes were ineffective for both proteins. These data support the previous finding of an involvement of mononuclear leukocytes in the pathogenesis of the oxidative stress induced by hyperaldosteronism. In addition, the results confirm our previous data on a direct effect of glycyrrhetinic acid at the level of mineralocorticoid receptors.

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Authors
Calò, L. A., Zaghetto, F., Pagnin, E., Davis, P. A., de Mozzi, P., Sartorato, P., Martire, G., Fiore, C., & Armanini, D.
Affiliations
  • Department of Clinical and Experimental Medicine, Clinica Medica 4 (L.A.C., F.Z., E.P., P.D.M.), University of Padua, Padua 35100, Italy;
  • University of Padua (IT)
  • University of California, Davis (US)
Corresponding author
Armanini, Decio
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
2004-04-01
Volume
89
Issue
4
Pages
1973-1976
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W1996601414
Cited by
122
References
0
Citations by year
2026: 3 · 2025: 4 · 2024: 7 · 2023: 4 · 2022: 8 · 2021: 2 · 2020: 4 · 2019: 9 · 2018: 9 · 2017: 4 · 2016: 11 · 2015: 1 · 2014: 4 · 2013: 6 · 2012: 4
FWCI
4.55
Type
journal article
Language
en
Open access
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Padua Research Archive (University of Padova) (submittedVersion, other-oa)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Hormonal Regulation and Hypertension
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Pharmacological Effects of Natural Compounds
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Renin-Angiotensin System Studies
Keywords
aldosterone, glycyrrhetinic acid, plasminogen activator inhibitor-1, p22phox, mononuclear leukocytes, mineralocorticoid receptor, oxidative stress, hyperaldosteronism, canrenone, licorice, fibrosis
MeSH terms
Adult, Aldosterone, Mineralocorticoid Receptor Antagonists, Canrenone, Dose-Response Relationship, Drug, Drug Synergism, Female, Glycyrrhetinic Acid, Humans, Leukocytes, Mononuclear, Male, NADPH Dehydrogenase, Phosphoproteins, Plasminogen Activator Inhibitor 1, NADPH Oxidases, Membrane Transport Proteins

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