Cited by 55Hormonal Regulation and HypertensionEstrogen and related hormone effectsAdrenal Hormones and Disorders

Aldosterone Stimulates Gene Expression of Hepatic Gluconeogenic Enzymes through the Glucocorticoid Receptor in a Manner Independent of the Protein Kinase B Cascade

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YAMASHITA, Ryo, KIKUCHI, Taisuke, MORI, Yasumichi, AOKI, Kazutaka, KABURAGI, Yasushi, YASUDA, Kazuki, SEKIHARA, Hisahiko·2004·Endocrine Journal

Abstract

Primary aldosteronism is associated with glucose intolerance and diabetes, which is due in part to impaired insulin release caused by reduction of potassium, although other possibilities remain to be elucidated. To evaluate the in vivo effects of aldosterone on glucose metabolism, a single dose of aldosterone was administered to mice, which resulted in elevation of the blood glucose level. In primary cultured mouse hepatocytes, the gene expression of gluconeogenic enzymes such as glucose-6-phosphatase (G6Pase), fructose-1,6-bisphosphatase and phosphoenolpyruvate carboxykinase increased in response to aldosterone in a dose-dependent manner even at a concentration similar to a physiological condition (10(-9) M). The inhibitory effect of insulin on G6Pase gene expression was partially suppressed by aldosterone. Furthermore, aldosterone enhanced G6Pase promoter activity in human hepatoma cell line HepG2, which was prevented by co-treatment with a glucocorticoid antagonist RU-486, but not a mineralocorticoid antagonist spironolactone. In contrast, aldosterone had no effects on major insulin signaling pathways including insulin receptor substrate-1, protein kinase B, and forkhead transcription factor. These results suggest that aldosterone may affect the inhibitory effect of insulin on hepatic gluconeogenesis through the glucocorticoid receptor, which may be one of the causes of impaired glucose metabolism in primary aldosteronism.

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  • Aldosterone stimulates hepatic glucose production by increasing gluconeogenesis.

    “Aldosterone stimulates hepatic glucose production by increased gluconeogenesis [47,48].”

    From Insulin sensitivity and pancreatic β-cell function in patients with primary aldosteronism (2021) · cites this paper as [47]

    The Abstract reports that aldosterone increased blood glucose in mice and increased expression of gluconeogenic-enzyme genes in cultured mouse hepatocytes. The Discussion concludes that aldosterone can influence hepatic gluconeogenesis, but the paper does not establish that it increased hepatic glucose production or that increased gluconeogenesis caused the observed rise in blood glucose. (LLM, conf=0.87)

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Authors
YAMASHITA, R., KIKUCHI, T., MORI, Y., AOKI, K., KABURAGI, Y., YASUDA, K., & SEKIHARA, H.
Affiliations
  • Yokohama City University (JP)
  • Department of Metabolic Disorder, Research Institute, International Medical Center of Japan
Venue
Endocrine Journal
Published
2004
Volume
51
Issue
2
Pages
243-251
ISSN
  • 0918-8959 (ISSN-L)
  • 1348-4540
OpenAlex
W2004674731
Cited by
55
References
34
Citations by year
2026: 2 · 2024: 4 · 2022: 3 · 2021: 3 · 2020: 3 · 2019: 4 · 2018: 1 · 2017: 2 · 2016: 1 · 2015: 2 · 2014: 3 · 2013: 2 · 2012: 1
FWCI
2.27
Type
journal article
Language
en
Open access
Locations
  • Endocrine Journal (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Hormonal Regulation and Hypertension
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adrenal Hormones and Disorders
Keywords
aldosterone, glucocorticoid receptor, hepatic gluconeogenesis, glucose-6-phosphatase, fructose-1,6-bisphosphatase, phosphoenolpyruvate carboxykinase, insulin signaling, Akt, forkhead transcription factor, primary aldosteronism, impaired glucose tolerance, hepatocytes, gene expression regulation
MeSH terms
Aldosterone, Mineralocorticoid Receptor Antagonists, Animals, Blood Glucose, Carboxy-Lyases, Cells, Cultured, Female, Gene Expression Regulation, Gluconeogenesis, Glucose-6-Phosphatase, Fructose-Bisphosphatase, Humans, Insulin, Liver, Mice, Inbred ICR, Promoter Regions, Genetic, Proto-Oncogene Proteins, Receptors, Glucocorticoid, Spironolactone, Signal Transduction, Mifepristone, Gene Expression, Protein Serine-Threonine Kinases, Hepatocytes, Proto-Oncogene Proteins c-akt, Mice

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