Cited by 29Lipid metabolism and biosynthesisCancer, Lipids, and MetabolismLipid metabolism and disorders

Stimulation of hepatic lipogenesis and acetyl-coenzyme A carboxylase by vasopressin

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Assimacopoulos-Jeannet, F, Denton, R M, Jeanrenaud, B·1981·Biochemical Journal

Abstract

The effect of vasopressin on the short-term regulation of fatty acid synthesis was studied in isolated hepatocytes from rats fed ad libitum. Vasopressin stimulates fatty acid synthesis by 30-110%. This increase is comparable with that obtained with insulin. Angiotensin also stimulates fatty acid synthesis, whereas phenylephrine does not. The dose-response curve for vasopressin-stimulated lipogenesis is similar to the dose-response curve for glycogenolysis and release of lactate plus pyruvate. Vasopression also stimulates acetyl-CoA carboxylase activity in a dose-dependent manner. Vasopressin does not relieve glucagon-inhibited lipogenesis, whereas insulin does. The action of vasopressin on hepatic lipogenesis is decreased, but not suppressed, in Ca2+-depleted hepatocytes. The results suggest that vasopressin acts on lipogenesis by increasing availability of lipogenic substrate (lactate + pyruvate) and by activating acetyl-CoA carboxylase.

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Crossref · 10.1042/bj1980485

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  • Assimacopoulos-Jeannet and colleagues found that VP stimulated fat synthesis in isolated hepatocytes, but this effect disappeared when lactate in the medium was raised, which itself increased baseline lipogenesis.

    “Assimacopoulos-Jeannet et al [48] showed that VP increased lipogenesis in isolated hepatocytes, but when concentration of lactate in the medium was increased, basal lipogenesis was increased and the stimulatory effect of VP was lost.”

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Research works printed but not linked: 3

  1. Brownsey, R. W. & Denton, R. M. (1979) in Obesity, Cellular and Molecular Aspects (Ailhaud, G., ed.), pp. 195-212, INSERM, Paris
  2. Forsling, M. L. (1976) in Antidiuretic Hormone, vol. 1: Annu. Res. Rev. (Horrobin, D. F., ed.), pp. 18-90, Eden, Lancaster
  3. Lakshmanan, M. R., Nepokroeff, C. M. & Porter, J. W. (1972) Proc. Natl. Acad. Sci. U.S.A. 69, 3516- 3519

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Authors
Assimacopoulos-Jeannet, F., Denton, R. M., & Jeanrenaud, B.
Venue
Biochemical Journal
Published
1981-09-15
Volume
198
Issue
3
Pages
485-490
ISSN
0264-6021 (ISSN-L)
OpenAlex
W2397103699
Cited by
29
References
37
Citations by year
2024: 1 · 2015: 1
FWCI
2.58
Type
journal article
Language
en
Open access
Locations
  • Biochemical Journal (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Science Foundation
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Lipids, and Metabolism
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
Keywords
vasopressin, hepatic lipogenesis, fatty acid synthesis, acetyl-CoA carboxylase, hepatocytes, insulin, angiotensin, phenylephrine, glucagon, lactate, pyruvate, calcium depletion
MeSH terms
Acetyl-CoA Carboxylase, Angiotensin II, Animals, Arginine Vasopressin, Dose-Response Relationship, Drug, Glucagon, Insulin, Ligases, Lipids, Liver, Male, Rats, Inbred Strains, Stimulation, Chemical, Rats, In Vitro Techniques

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