Peroxisome proliferation and induction of peroxisomal enzymes in mouse and rat liver by dehydroepiandrosterone feeding

Rene A. Frenkel, Clive A. Slaughter, Kim Orth, Carolyn R. Moomaw, Shelley H. Hicks, Jeanne M. Snyder, Michael Bennett, Russell A. Prough, Robert S. Putnam, Leon Milewich

Research output: Contribution to journalArticle

91 Citations (Scopus)

Abstract

Dehydroepiandrosterone (DHEA) treatment is effective in the prevention of various genetic and induced disorders of mice and rats. In studies designed to define some of the basic mechanisms that underline the beneficial chemopreventive effects exerted by the action of this steroid, we found that the liver undergoes profound changes that result in: (i) hepatomegaly; (ii) color change from pink to mahogany; (iii) proliferation of peroxisomes; (iv) increased cross-sectional area and volume density of peroxisomes; (v) increased or decreased number of mitochondria per cell; (vi) decreased mitochondrial cross-sectional area; (vii) marked induction of the peroxisomal bifunctional protein enoyl-CoA hydratase/ 3-hydroxyacyl-CoA dehydrogenase; (viii) increased activities of enoyl-CoA hydratase and other peroxisomal enzymes assayed in this study, viz. catalase, carnitine acetyl-CoA transferase, carnitine octanoyl-CoA transferase, and urate oxidase; and (ix) increased activity of mitochondrial carnitine palmitoyl-CoA transferase. In addition, feeding DHEA to mice resulted in increased plasma cholesterol levels in two strains of mice evaluated in this study, and either slightly decreased or markedly increased plasma triglyceride levels, depending on the strain. Whether liver peroxisome proliferation, induced by DHEA feeding to mice and rats, plays a role in the chemopreventive effects elicited by this steroid remains to be established.

Original languageEnglish (US)
Pages (from-to)333-342
Number of pages10
JournalJournal of Steroid Biochemistry
Volume35
Issue number2
DOIs
StatePublished - Feb 1990
Externally publishedYes

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Enzyme Induction
Peroxisomes
Dehydroepiandrosterone
Enoyl-CoA Hydratase
Coenzyme A-Transferases
Liver
Rats
Carnitine
Enzymes
3-Hydroxyacyl-CoA Dehydrogenase
Carnitine O-Acetyltransferase
Steroids
Urate Oxidase
Palmitoyl Coenzyme A
Plasmas
Mitochondria
Catalase
Inborn Genetic Diseases
Hepatomegaly
Triglycerides

ASJC Scopus subject areas

  • Biochemistry
  • Endocrinology

Cite this

Peroxisome proliferation and induction of peroxisomal enzymes in mouse and rat liver by dehydroepiandrosterone feeding. / Frenkel, Rene A.; Slaughter, Clive A.; Orth, Kim; Moomaw, Carolyn R.; Hicks, Shelley H.; Snyder, Jeanne M.; Bennett, Michael; Prough, Russell A.; Putnam, Robert S.; Milewich, Leon.

In: Journal of Steroid Biochemistry, Vol. 35, No. 2, 02.1990, p. 333-342.

Research output: Contribution to journalArticle

Frenkel, RA, Slaughter, CA, Orth, K, Moomaw, CR, Hicks, SH, Snyder, JM, Bennett, M, Prough, RA, Putnam, RS & Milewich, L 1990, 'Peroxisome proliferation and induction of peroxisomal enzymes in mouse and rat liver by dehydroepiandrosterone feeding', Journal of Steroid Biochemistry, vol. 35, no. 2, pp. 333-342. https://doi.org/10.1016/0022-4731(90)90293-2
Frenkel, Rene A. ; Slaughter, Clive A. ; Orth, Kim ; Moomaw, Carolyn R. ; Hicks, Shelley H. ; Snyder, Jeanne M. ; Bennett, Michael ; Prough, Russell A. ; Putnam, Robert S. ; Milewich, Leon. / Peroxisome proliferation and induction of peroxisomal enzymes in mouse and rat liver by dehydroepiandrosterone feeding. In: Journal of Steroid Biochemistry. 1990 ; Vol. 35, No. 2. pp. 333-342.
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AU - Hicks, Shelley H.

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