Interactions between Angiotensin II and PPAR-γ in cardiac myofibroblasts

Laxmansa C. Katwa, Cooduvalli S. Shashikant

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Alterations in Angiotensin II (Ang II) and Peroxisome Proliferator-Activated Receptor-γ (PPAR-γ) affect cardiovascular diseases, diabetes and metabolic disorders, suggesting that these two systems intersect at some common biochemical pathways. Elucidating common cellular signaling factors between these two systems are important for better design of combinatorial drugs for treating patients with these disorders. Inhibitors of Ang II and agonists of PPAR-γ appear to have similar and beneficial effects. Ang II, a pro-fibrotic factor, enhances collagen synthesis and contributes to adverse remodeling in case of hypertensive heart diseases that damage tissue structure and alter cardiac function. In contrast, increased PPAR-γ activity inhibits collagen synthesis, reduces fibrosis and adverse remodeling of the cardiac tissue. Treatments with Ang II blockers or with PPAR-γ agonists improve cardiac function. These effects are evident in cardiac myofibroblasts, which appear at the site of myocardial infarction. Cardiac myofibroblasts are the major cell types involved in tissue repair and remodeling. In this article, we review Ang II and PPAR-γ pathways operative in cardiac myofibroblasts and provide evidence for interactions between these two systems.

Original languageEnglish (US)
Title of host publicationMedical and Biological Frontiers Research Compendium
PublisherNova Science Publishers, Inc.
Pages93-108
Number of pages16
ISBN (Print)9781624170225
StatePublished - Jan 1 2013

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Peroxisome Proliferator-Activated Receptors
Myofibroblasts
Angiotensin II
Tissue
Collagen
Cell signaling
Drug Design
Medical problems
Heart Diseases
Fibrosis
Repair
Cardiovascular Diseases
Myocardial Infarction
Pharmaceutical Preparations

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Katwa, L. C., & Shashikant, C. S. (2013). Interactions between Angiotensin II and PPAR-γ in cardiac myofibroblasts. In Medical and Biological Frontiers Research Compendium (pp. 93-108). Nova Science Publishers, Inc..
Katwa, Laxmansa C. ; Shashikant, Cooduvalli S. / Interactions between Angiotensin II and PPAR-γ in cardiac myofibroblasts. Medical and Biological Frontiers Research Compendium. Nova Science Publishers, Inc., 2013. pp. 93-108
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Katwa, LC & Shashikant, CS 2013, Interactions between Angiotensin II and PPAR-γ in cardiac myofibroblasts. in Medical and Biological Frontiers Research Compendium. Nova Science Publishers, Inc., pp. 93-108.

Interactions between Angiotensin II and PPAR-γ in cardiac myofibroblasts. / Katwa, Laxmansa C.; Shashikant, Cooduvalli S.

Medical and Biological Frontiers Research Compendium. Nova Science Publishers, Inc., 2013. p. 93-108.

Research output: Chapter in Book/Report/Conference proceedingChapter

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Katwa LC, Shashikant CS. Interactions between Angiotensin II and PPAR-γ in cardiac myofibroblasts. In Medical and Biological Frontiers Research Compendium. Nova Science Publishers, Inc. 2013. p. 93-108