Cited by 37Hormonal Regulation and HypertensionAdrenal Hormones and DisordersEstrogen and related hormone effects

Insulin Regulates Adrenal Steroidogenesis by Stabilizing SF-1 Activity

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Kinyua, Ann W., Doan, Khanh V., Yang, Dong Joo, Huynh, My Khanh Q., Choi, Yun-Hee, Shin, Dong Min, Kim, Ki Woo·2018·Scientific Reports

Abstract

Development of metabolic syndrome is associated with hyperactivity of the HPA axis characterized by elevated levels of circulating adrenal hormones including cortisol and aldosterone. However, the molecular mechanism leading to the dysregulation of the HPA axis is not well elucidated. In this study, we found that insulin regulates adrenal steroidogenesis by increasing the expression and activity of steroidogenic factor 1 (SF-1) both in vitro and in vivo and this insulin effect was partly through inhibition of FoxO1. Specifically, insulin increased the protein and RNA levels of SF-1 and steroidogenic target genes. Further, adrenal SF-1 expression was significantly increased by hyperactivation of insulin signaling in mice. Together with the elevated SF-1 expression in adrenal glands, hyperactivation of insulin signaling led to increased aldosterone and corticosterone levels. On the other hand, suppressing the insulin signaling using streptozotocin markedly reduced the expression of adrenal SF-1 in mice. In addition, overexpression of FoxO1 significantly suppressed SF-1 and its steroidogenic target genes implying that the positive effect of insulin on SF-1 activity might be through suppression of FoxO1 in the adrenal gland. Taken together, these results indicate that insulin regulates adrenal steroidogenesis through coordinated control of SF-1 and FoxO1.

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Authors
Kinyua, A. W., Doan, K. V., Yang, D. J., Huynh, M. K. Q., Choi, Y.-H., Shin, D. M., & Kim, K. W.
Affiliations
Yonsei University (KR)
Corresponding author
Kim, Ki Woo
Venue
Scientific Reports
Published
2018-03-22
Volume
8
Issue
1
Pages
5025-5025
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2805180610
Cited by
37
References
39
Citations by year
2026: 1 · 2025: 2 · 2024: 8 · 2023: 8 · 2022: 7 · 2021: 3 · 2020: 3 · 2019: 4 · 2018: 1
FWCI
2.19
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • YUHSpace (Yonsei University Medical Library) (submittedVersion, cc-by-nc-nd)
Funders
  • Korean Society for the Study of Obesity
  • National Research Foundation (NRF-2016R1C1B3012748)
  • Korea Health Industry Development Institute (HI17C0745)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Hormonal Regulation and Hypertension
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adrenal Hormones and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
Keywords
insulin signaling, adrenal steroidogenesis, steroidogenic factor 1, FOXO1, hypothalamic-pituitary-adrenal axis, metabolic syndrome, aldosterone, corticosterone, streptozotocin, adrenal gland, protein stabilization
MeSH terms
Forkhead Box Protein O1, Adrenal Cortex, Aldosterone, Animals, Corticosterone, Diabetes Mellitus, Experimental, Female, Humans, Hypothalamo-Hypophyseal System, Insulin, Male, Mice, Inbred C57BL, Phosphorylation, Pituitary-Adrenal System, Streptozocin, RNA, Small Interfering, Cell Line, Tumor, Mice, Biosynthetic Pathways, Steroidogenic Factor 1, Gene Knockdown Techniques, HEK293 Cells, Diet, High-Fat

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