PPARβ/δ protects against experimental colitis through a ligand-independent mechanism

Holly E. Hollingshead, Keiichirou Morimura, Masahiro Adachi, Mary J. Kennett, Andrew N. Billin, Timothy M. Willson, Frank J. Gonzalez, Jeffrey Maurice Peters

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Peroxisome proliferator-activated receptors (PPARs) β/δ and γ have overlapping roles in the negative regulation of inflammatory response genes. Ligand activation of PPARγ protects against experimental colitis in mice. PPARβ/δ can negatively regulate inflammation and is highly expressed in the epithelial cells of the colon, therefore PPARβ/δ may also have a role in experimental colitis. In these studies, colitis was induced by dextran sodium sulfate (DSS) treatment in wild-type and PPARβ/δ-null mice, with and without the PPARβ/δ specific ligand GW0742. PPARβ/δ-null mice exhibited increased sensitivity to DSS-induced colitis, as shown by marked differences in body weight loss, colon length, colonic morphology, myeloperoxidase activity and increased expression of mRNAs encoding the inflammatory markers interferon γ, tumor necrosis factor-α, and interleukin-6 compared to similarly treated wild-type mice. Interestingly, these differences were not affected by ligand activation of PPARβ/δ in either genotype. These studies demonstrate that PPARβ/δ expression in the colonic epithelium inhibits inflammation and protects against DSS-induced colitis through a ligand-independent mechanism.

Original languageEnglish (US)
Pages (from-to)2912-2919
Number of pages8
JournalDigestive Diseases and Sciences
Volume52
Issue number11
DOIs
StatePublished - Nov 1 2007

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Peroxisome Proliferator-Activated Receptors
Colitis
Ligands
Dextran Sulfate
Colon
Inflammation
Interferons
Peroxidase
Weight Loss
Interleukin-6
Epithelium
Tumor Necrosis Factor-alpha
Epithelial Cells
Genotype
Body Weight
Messenger RNA

All Science Journal Classification (ASJC) codes

  • Physiology
  • Gastroenterology

Cite this

Hollingshead, H. E., Morimura, K., Adachi, M., Kennett, M. J., Billin, A. N., Willson, T. M., ... Peters, J. M. (2007). PPARβ/δ protects against experimental colitis through a ligand-independent mechanism. Digestive Diseases and Sciences, 52(11), 2912-2919. https://doi.org/10.1007/s10620-006-9644-9
Hollingshead, Holly E. ; Morimura, Keiichirou ; Adachi, Masahiro ; Kennett, Mary J. ; Billin, Andrew N. ; Willson, Timothy M. ; Gonzalez, Frank J. ; Peters, Jeffrey Maurice. / PPARβ/δ protects against experimental colitis through a ligand-independent mechanism. In: Digestive Diseases and Sciences. 2007 ; Vol. 52, No. 11. pp. 2912-2919.
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Hollingshead, HE, Morimura, K, Adachi, M, Kennett, MJ, Billin, AN, Willson, TM, Gonzalez, FJ & Peters, JM 2007, 'PPARβ/δ protects against experimental colitis through a ligand-independent mechanism', Digestive Diseases and Sciences, vol. 52, no. 11, pp. 2912-2919. https://doi.org/10.1007/s10620-006-9644-9

PPARβ/δ protects against experimental colitis through a ligand-independent mechanism. / Hollingshead, Holly E.; Morimura, Keiichirou; Adachi, Masahiro; Kennett, Mary J.; Billin, Andrew N.; Willson, Timothy M.; Gonzalez, Frank J.; Peters, Jeffrey Maurice.

In: Digestive Diseases and Sciences, Vol. 52, No. 11, 01.11.2007, p. 2912-2919.

Research output: Contribution to journalArticle

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AU - Willson, Timothy M.

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AU - Peters, Jeffrey Maurice

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Hollingshead HE, Morimura K, Adachi M, Kennett MJ, Billin AN, Willson TM et al. PPARβ/δ protects against experimental colitis through a ligand-independent mechanism. Digestive Diseases and Sciences. 2007 Nov 1;52(11):2912-2919. https://doi.org/10.1007/s10620-006-9644-9