Growths, adipose, brain, and skin alterations resulting from targeted disruption of the mouse peroxisome proliferator-activated receptor β(δ)

Jeffrey Maurice Peters, Susanna S.T. Lee, Wen Li, Jerrold M. Ward, Oksana Gavrilova, Carrie Everett, Marc L. Reitman, Lynn D. Hudson, Frank J. Gonzalez

Research output: Contribution to journalArticle

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Abstract

To determine the physiological roles of peroxisome proliferator- activated receptor β (PPARβ), null mice were constructed by targeted disruption of the ligand binding domain of the murine PPARβ gene. Homozygous PPARβ-null term fetuses were smaller than controls, and this phenotype persisted postnatally. Gonadal adipose stores were smaller, and constitutive mRNA levels of CD36 were higher, in PPARβ-null mice than in controls. In the brain, myelination of the corpus callosum was altered in PpARβ-null mice. PPARβ was not required for induction of mRNAs involved in epidermal differentiation induced by O-tetradecanoylphorbol-13-acetate (TPA). The hyperplastic response observed in the epidermis after TPA application was significantly greater in the PPARβ-null mice than in controls. Inflammation induced by TPA in the skin was lower in wild-type mice fed sulindac than in similarly treated PPARβ-null mice. These results are the first to provide in vivo evidence of significant roles for PPARβ in development, myelination of the corpus callosum, lipid metabolism, and epidermal cell proliferation.

Original languageEnglish (US)
Pages (from-to)5119-5128
Number of pages10
JournalMolecular and cellular biology
Volume20
Issue number14
DOIs
StatePublished - Jul 1 2000

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Peroxisome Proliferator-Activated Receptors
Skin
Brain
Growth
Tetradecanoylphorbol Acetate
Corpus Callosum
Sulindac
Messenger RNA
Lipid Metabolism
Epidermis
Fetus
Cell Proliferation
Ligands
Inflammation
Phenotype

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Cell Biology

Cite this

Peters, Jeffrey Maurice ; Lee, Susanna S.T. ; Li, Wen ; Ward, Jerrold M. ; Gavrilova, Oksana ; Everett, Carrie ; Reitman, Marc L. ; Hudson, Lynn D. ; Gonzalez, Frank J. / Growths, adipose, brain, and skin alterations resulting from targeted disruption of the mouse peroxisome proliferator-activated receptor β(δ). In: Molecular and cellular biology. 2000 ; Vol. 20, No. 14. pp. 5119-5128.
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Growths, adipose, brain, and skin alterations resulting from targeted disruption of the mouse peroxisome proliferator-activated receptor β(δ). / Peters, Jeffrey Maurice; Lee, Susanna S.T.; Li, Wen; Ward, Jerrold M.; Gavrilova, Oksana; Everett, Carrie; Reitman, Marc L.; Hudson, Lynn D.; Gonzalez, Frank J.

In: Molecular and cellular biology, Vol. 20, No. 14, 01.07.2000, p. 5119-5128.

Research output: Contribution to journalArticle

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