Cited by 62Estrogen and related hormone effectsReceptor Mechanisms and SignalingPhosphodiesterase function and regulation

Modulation of glucocorticoid receptor activity by cyclic nucleotides and its implications on the regulation of human skin fibroblast growth and protein synthesis

Oikarinen, Jouko, Hämäläinen, Leena, Oikarinen, Aarne·1984·Biochimica et Biophysica Acta (BBA) - General Subjects

Abstract

The modulation of glucocorticoid receptor activity by cyclic nucleotides was studied in cultured human skin fibroblasts. The receptors appeared to be activated in the presence of dibutyryl-cAMP and inactivated by dibutyryl-cGMP. Significantly, the cGMP content of the fibroblasts increased during cell growth, with a concomitant decrease in the glucocorticoid receptor activity, while when the cells reached early confluency the decrease in cGMP content was accompanied by an increase in cAMP and increased activity of the glucocorticoid receptors. In addition, cortisol induced (2'-5')oligoadenylate synthetase in these cells and raised the cellular (2'-5')oligoadenylate concentrations. This resulted in a decrease in both DNA and protein synthesis activity in the cells, a response which correlated with the (2'-5')oligoadenylate concentration. The combination of cortisol and dibutyryl-cAMP had a synergetic stimulatory effect on the (2'-5')oligoadenylate concentration and a synergetic inhibitory effect on protein synthesis. In conclusion, it is demonstrated here that cyclic nucleotides can modulate glucocorticoid receptor activity in cultured human skin fibroblasts, and thus these compounds may indirectly affect cellular metabolism by regulating the cellular responses to glucocorticoids.

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Crossref · 10.1016/0304-4165(84)90290-3

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Authors
Oikarinen, J., Hämäläinen, L., & Oikarinen, A.
Affiliations
University of Oulu (FI)
Venue
Biochimica et Biophysica Acta (BBA) - General Subjects
Publisher
Elsevier BV
Published
1984-06
Volume
799
Issue
2
Pages
158-165
ISSN
0304-4165 (ISSN-L)
OpenAlex
W2080931570
Cited by
62
References
30
Citations by year
2023: 1 · 2022: 1 · 2019: 1 · 2015: 3 · 2014: 2 · 2013: 1
FWCI
2.67
Type
journal article
Language
en
Open access
closed
Locations
  • Biochimica et Biophysica Acta (BBA) - General Subjects (publishedVersion)
  • PubMed (publishedVersion)
Funders
Medical Research Council
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Receptor Mechanisms and Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Phosphodiesterase function and regulation
Keywords
glucocorticoid receptor, cyclic nucleotides, cyclic AMP, cyclic GMP, dermal fibroblasts, cortisol, 2',5'-oligoadenylate synthetase, 2',5'-oligoadenylate, protein synthesis, DNA synthesis, cell growth, receptor modulation
MeSH terms
Adenine Nucleotides, Cells, Cultured, Dexamethasone, Bucladesine, Dibutyryl Cyclic GMP, Fibroblasts, Cyclic GMP, Humans, Hydrocortisone, Oligoribonucleotides, Receptors, Glucocorticoid, Receptors, Steroid, Skin, Protein Biosynthesis, 2',5'-Oligoadenylate Synthetase

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