Dietary supplementation with Zyflamend poly-herbal extracts and fish oil inhibits intimal hyperplasia development following vascular intervention
Autor: | Michael M. McNally, Mitchell H. Goldman, Joshua D. Arnold, Michael B. Freeman, Michael R. Buckley, Jay Whelan, Paul D. Terry, Stacy S. Kirkpatrick, Oscar H. Grandas, Deidra J.H. Mountain |
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Rok vydání: | 2019 |
Předmět: |
Male
0301 basic medicine Intimal hyperplasia Carotid Artery Common Endocrinology Diabetes and Metabolism 030209 endocrinology & metabolism Inflammation Pharmacology Placebos Rats Sprague-Dawley 03 medical and health sciences Fish Oils 0302 clinical medicine Endocrinology In vivo medicine Animals Macrophage inflammatory protein Hyperplasia 030109 nutrition & dietetics Nutrition and Dietetics Plant Extracts business.industry Monocyte Interleukin medicine.disease Fish oil Diet Rats medicine.anatomical_structure Dietary Supplements Cytokines Female medicine.symptom Carotid Artery Injuries business Angioplasty Balloon |
Zdroj: | Nutrition Research. 68:34-44 |
ISSN: | 0271-5317 |
Popis: | The polyherbal blend Zyflamend™ has been shown to have anti-inflammatory properties and attenuate inflammatory-modulated pathologies. Fish oils have also been shown to have cardioprotective properties. However, the beneficial effects of their combination have not been investigated. Intimal hyperplasia (IH), a pathological remodeling response of a vessel to injury, is heavily regulated by an immune-mediated reaction. The objective of this study was to determine if dietary supplementation with Zyflamend and/or Wholemega could affect inflammatory-dependent vascular remodeling mechanisms when provided at human equivalent doses. Based on their anti-inflammatory properties and protective benefits demonstrated in previous pre-clinical studies, we hypothesized administration of these supplements would prevent IH in an animal model of vascular injury. The diets of aged male rats were supplemented with human equivalent doses of Zyflamend (Zyf) and/or Wholemega (WMega) or placebo (Plac) for 1wk prior to balloon angioplasty (BA)-induced injury of the left carotid artery. At 28d post-injury morphometric analysis of carotid tissue revealed IH was decreased in Zyf + WMega animals compared to placebo, while Zyf or WMega independently had no significant effect. Serum cytokine screening indicated injury-induced interleukin family isoforms, interferon-γ, and macrophage inflammatory proteins were downregulated by Zyf + WMega. Immunohistochemical staining for monocyte/macrophage phenotypic markers revealed that while overall monocyte/macrophage vessel infiltration was not affected, Zyf + WMega limited the alternative differentiation of M2 macrophages and reduced the presence of myofibroblasts in the injured vessel wall. In summary, dietary supplementation with Zyf + WMega attenuated the acute inflammatory response following vascular injury and inhibited IH development in vivo. |
Databáze: | OpenAIRE |
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