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Amirsardari Z, Khalili A, Behnoush AH, Agahi S, Amirsardari F, Kohansal E, Sadeghipour P. Bridging the gap: Navigating the impact of dietary supplements on abdominal aortic aneurysm progression- A systematic review. PLoS One 2024; 19:e0305265. [PMID: 38923975 PMCID: PMC11207180 DOI: 10.1371/journal.pone.0305265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Accepted: 05/28/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND Vitamins D, E, A, B, C, and Omega-3 play crucial roles in modulating inflammatory and oxidative stress pathways, both implicated in abdominal aortic aneurysm (AAA) development. Recent research has explored the potential impact of dietary supplements on AAA progression. The systematic review aims to assess interventional studies investigating the effects of various dietary supplements on the development and severity of abdominal aortic aneurysms. METHOD A systematic search using relevant keywords related to abdominal aortic aneurysm and dietary supplements was conducted across four databases (PubMed, Embase, Scopus, and Web of Science). Quality assessment for animal studies employed SYRCLE and the Cochrane Collaboration Risk of Bias Tool for randomized control trials. The study protocol is registered in PROSPERO under the registry code CRD42023455958. RESULTS Supplementation with Omega-3, Vitamins A, C, D, E, and the Vitamin B family exhibited positive effects in AAA progression. These supplements contributed to a reduction in AAA diameter, elastin degradation, inflammatory responses, and reactive oxygen species. Additional supplements such as Zinc, methionine, and phytoestrogen also played roles in mitigating AAA progression. CONCLUSION The findings of this study underscore the potential role of dietary supplements in the progression of AAA. Predominantly based on animal studies, the results indicate that these supplements can limit AAA progression, primarily evidenced by their ability to mitigate inflammatory processes and oxidative stress pathways.
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Affiliation(s)
- Zahra Amirsardari
- Cardiogenetic Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Asal Khalili
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Sadaf Agahi
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Amirsardari
- School of Nursing and Midwifery, Lorestan University of Medical Sciences, Lorestan, Iran
| | - Erfan Kohansal
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Parham Sadeghipour
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
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Higashihara M, Enomoto H, Sumi T, Moriyama T, Zaima N. Similar Distribution between EPA-containing Phosphatidylcholine and Mesenchymal Stem Marker Positive Cells in the Aortic Wall of Abdominal Aortic Aneurysm Model Rat Fed a Low-EPA Content Diet. J Oleo Sci 2024; 73:895-903. [PMID: 38797690 DOI: 10.5650/jos.ess23269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024] Open
Abstract
Abdominal aortic aneurysm (AAA) is a vascular disease characterized by progressive dilation of the abdominal aorta. Previous studies have suggested that dietary components are closely associated with AAA. Among those dietary components, eicosapentaenoic acid (EPA) is considered to have suppressive effects on AAA. In the AAA wall of AAA model animals bred under EPA-rich condition, the distribution of EPA-containing phosphatidylcholine (EPA-PC) has been reported to be similar to that of the markers of mesenchymal stem cells (MSCs) and M2 macrophages. These data suggest that the suppressive effects of EPA on AAA are related to preferential distribution of specific cells in the aortic wall. However, the distribution of EPA-PC in the AAA wall of AAA model animals fed a diet containing small amounts of EPA, which has not been reported to inhibit AAA, has not yet been explored. In the present study, we visualized the distribution of EPA-PCs in the AAA wall of AAA model animals fed a diet containing small amounts of EPA (1.5% EPA in the fatty acid composition) to elucidate the vasoprotective effects of EPA. Positive areas for markers of MSCs were significantly higher in the region where EPA-PC was abundant compared to the regions where EPA-PC was weakly detected, but not for markers of M2 macrophages, matrix metalloproteinase (MMP)-2, and MMP-9. The distribution of MSC markers was similar to that of EPA-PC but not that of M2 macrophages and MMPs. These data suggest preferential incorporation of EPA into MSCs under the conditions used in this study. The incorporation of EPA into certain cells may differ according to dietary conditions, which affect the development of AAA.
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Affiliation(s)
- Mayo Higashihara
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Kindai University
| | - Hirofumi Enomoto
- Department of Biosciences, Faculty of Science and Engineering, Teikyo University
- Division of Integrated Science and Engineering, Graduate School of Science and Engineering, Teikyo University
- Advanced Instrumental Analysis Center, Teikyo University
| | - Tomoko Sumi
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Kindai University
| | - Tatsuya Moriyama
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Kindai University
- Agricultural Technology and Innovation Research Institute, Kindai University
| | - Nobuhiro Zaima
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Kindai University
- Agricultural Technology and Innovation Research Institute, Kindai University
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González-Alva P, Solís-Suárez DL, Cifuentes-Mendiola SE, García-Hernández AL. A diet rich in omega-3 fatty acid improves periodontitis and tissue destruction by MMP2- and MMP9-linked inflammation in a murine model. Odontology 2024; 112:185-199. [PMID: 37378834 PMCID: PMC10776722 DOI: 10.1007/s10266-023-00831-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 06/19/2023] [Indexed: 06/29/2023]
Abstract
Periodontitis is an oral-cavity inflammatory disease and is the principal cause associated with tooth loss. Matrix metalloproteinases 2 and 9 (MMP-2 and MMP-9) are important proteases involved in periodontal tissue destruction. The omega-3 polyunsaturated fatty acids (ω-3 PUFA) have been demonstrated to possess immunoregulatory properties in periodontitis. The aim of the study was to investigate the effects of ω-3 PUFA on inflammation and on the expression of MMP-2 and -9 in a murine periodontitis model. Twenty-four male C57BL/6 mice were divided into control mice (Control), control mice treated with ω-3 PUFA (O3), mice with periodontitis (P), and mice with periodontitis treated with ω-3 PUFA (P + O3). ω-3 PUFA were administered orally once a day for 70 days. Periodontitis in mice was induced by Porphyromonas gingivalis-infected ligature placement around the second maxillary molar. The mice were sacrificed, and blood and maxillary samples were collected. Flow cytometry was used to quantify tumor necrosis factor-alpha (TNFα), interleukin (IL)-2, IL-4, IL-5, and interferon-gamma. Histologic analysis and immunohistochemistry for MMP-2 and -9 were performed. The data were statistically evaluated using analysis of variance (ANOVA) and the Tukey post hoc test. Histological analysis showed that ω-3 PUFA supplementation prevented inflammation and tissue destruction and revealed that bone destruction was more extensive in the P group than in the P + O3 group (p < 0.05). Also, it decreased the serum expressions of TNFα and IL-2 and the tissue expression of MMP-2 and -9 in the periodontitis-induced model (p < 0.05). ω-3 PUFA supplementation prevented alveolar bone loss and periodontal destruction, probably by decreasing the expression of MMP-2 and MMP-9 and its immunoregulatory properties.
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Affiliation(s)
- Patricia González-Alva
- Laboratory of Tissue Bioengineering, Faculty of Dentistry, National Autonomous University of Mexico, Mexico City, Mexico
| | - Diana Laura Solís-Suárez
- Laboratory of Dental Research, Section of Osteoimmunology and Oral Immunology, FES Iztacala, National Autonomous University of Mexico, A. Jiménez Gallardo SN, San Sebastián Xhala, 54714, Cuautitlán Izcalli, Mexico
- Postgraduate Course in Dental Sciences, National Autonomous University of Mexico, Mexico City, Mexico
| | - Saúl Ernesto Cifuentes-Mendiola
- Laboratory of Dental Research, Section of Osteoimmunology and Oral Immunology, FES Iztacala, National Autonomous University of Mexico, A. Jiménez Gallardo SN, San Sebastián Xhala, 54714, Cuautitlán Izcalli, Mexico
| | - Ana Lilia García-Hernández
- Laboratory of Dental Research, Section of Osteoimmunology and Oral Immunology, FES Iztacala, National Autonomous University of Mexico, A. Jiménez Gallardo SN, San Sebastián Xhala, 54714, Cuautitlán Izcalli, Mexico.
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Yin L, Gregg AC, Riccio AM, Hoyt N, Islam ZH, Ahn J, Le Q, Patel P, Zhang M, He X, McKinney M, Kent E, Wang B. Dietary therapy in abdominal aortic aneurysm - Insights from clinical and experimental studies. Front Cardiovasc Med 2022; 9:949262. [PMID: 36211542 PMCID: PMC9532600 DOI: 10.3389/fcvm.2022.949262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 08/29/2022] [Indexed: 02/03/2023] Open
Abstract
Abdominal aortic aneurysm (AAA) is a prevalent vascular disease with high mortality rates upon rupture. Despite its prevalence in elderly populations, there remain limited treatment options; invasive surgical repair, while risky, is the only therapeutic intervention with proven clinical benefits. Dietary factors have long been suggested to be closely associated with AAA risks, and dietary therapies recently emerged as promising avenues to achieve non-invasive management of a wide spectrum of diseases. However, the role of dietary therapies in AAA remains elusive. In this article, we will summarize the recent clinical and pre-clinical efforts in understanding the therapeutic and mechanistic implications of various dietary patterns and therapeutic approaches in AAA.
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Affiliation(s)
- Li Yin
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, United States
| | | | - Alessandra Marie Riccio
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Nicholas Hoyt
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, United States,School of Medicine and Health Sciences, George Washington University, Washington, DC, United States
| | - Zain Hussain Islam
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Jungeun Ahn
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Quang Le
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Paranjay Patel
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Mengxue Zhang
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Xinran He
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Matthew McKinney
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Eric Kent
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Bowen Wang
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, United States,*Correspondence: Bowen Wang
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De Moudt S, Hendrickx JO, De Meyer GRY, Martinet W, Fransen P. Disparate biomechanical properties of the aorta in non-aneurysmal and aneurysmal mice treated with angiotensin II. Physiol Rep 2022; 10:e15410. [PMID: 36117398 PMCID: PMC9483617 DOI: 10.14814/phy2.15410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 07/08/2022] [Accepted: 07/14/2022] [Indexed: 06/15/2023] Open
Abstract
In vivo angiotensin II (AngII)-treatment is a widely used experimental model to induce cardiovascular disease and results in a high likelihood of abdominal aorta aneurysm (AAA) formation. This involves progressive and irreversible focal dilation of the abdominal aorta and induces adverse aortic connective tissue remodeling contributing to aortic wall stiffening through inflammation, elastin degradation, and collagen restructuring. Hence, the present study aimed to investigate how AAA formation in AngII-treated mice affects aortic function and biomechanics. To this end, C57Bl/6J mice were treated with AngII (1000 ng/[kg.min]) or PBS infusion for 28 days. Peripheral blood pressure, echocardiography, and aortic pulse wave velocity were measured in vivo. Thoracic aorta rings were studied ex vivo in organ chambers, while aortic vascular smooth muscle cell (VSMC) phenotype was investigated histologically. We confirmed peripheral hypertension, cardiac hypertrophy, aortic stiffening, and increased VSMC proliferation and migration after AngII-treatment. Abdominal aorta aneurysm formation was observed in 8/13 AngII-treated mice. Ex vivo thoracic aortic rings of both aneurysmal and non-aneurysmal AngII-treated mice showed high isobaric aortic stiffness, endothelial dysfunction, heightened α1 -adrenergic contractility, and altered VSMC contractile calcium signaling. However, aortic biomechanics were differently affected, with heightened α1 -adrenoreceptor mediated aortic stiffening in non-aneurysmal mice, whereas contraction-dependent stiffening was impaired in aneurysmal mice. In conclusion, although aneurysmal and non-aneurysmal 4-week AngII-treated mice displayed similar changes in aortic physiology, aortic biomechanics were dissimilarly affected.
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Affiliation(s)
- Sofie De Moudt
- Laboratory of PhysiopharmacologyUniversity of AntwerpAntwerpBelgium
| | | | | | - Wim Martinet
- Laboratory of PhysiopharmacologyUniversity of AntwerpAntwerpBelgium
| | - Paul Fransen
- Laboratory of PhysiopharmacologyUniversity of AntwerpAntwerpBelgium
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Ding YC, Zhang XJ, Zhang JX, Zhai ZY, Zhang MX, Jiang BH. Progression and Regression of Abdominal Aortic Aneurysms in Mice. Curr Med Sci 2021; 41:901-908. [PMID: 34643880 DOI: 10.1007/s11596-021-2425-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 05/06/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Abdominal aortic aneurysm (AAA) is a significant medical problem with a high mortality rate. Nevertheless, the underlying mechanism for the progression and regression of AAA is unknown. METHODS Experimental model of AAA was first created by porcine pancreatic elastase incubation around the infrarenal aorta of C57BL/6 mice. Then, AAA progression and regression were evaluated based on the diameter and volume of AAA. The aortas were harvested for hematoxylin-eosin staining (HE), orcein staining, sirius red staining, immunofluorescence analysis and perls' prussian blue staining at the indicated time point. Finally, β-aminopropionitrile monofumarate (BAPN) was used to explore the underlying mechanism of the regression of AAA. RESULTS When we extended the observation period to 100 days, we not only observed an increase in the AAA diameter and volume in the early stage, but also a decrease in the late stage. Consistent with AAA diameter and volume, the aortic thickness showed the same tendency based on HE staining. The elastin and collagen content first degraded and then regenerated, which corresponds to the early deterioration and late regression of AAA. Then, endogenous up-regulation of lysyl oxidase (LOX) was detected, accompanying the regression of AAA, as detected by an immunofluorescent assay. BAPN and LOX inhibitor considerably inhibited the regression of AAA, paralleling the degradation of elastin lamella and collagen. CONCLUSION Taken together, we tentatively conclude that endogenous re-generation of LOX played an influential role in the regression of AAA. Therefore, regulatory factors on the generation of LOX exhibit promising therapeutic potential against AAA.
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Affiliation(s)
- Yu-Chao Ding
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.,The College of Basic Medical Science, China Medical University, Shenyang, 110122, China
| | - Xian-Jing Zhang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Ji-Xiu Zhang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Zi-Yi Zhai
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.,The College of Basic Medical Science, China Medical University, Shenyang, 110122, China
| | - Mei-Xia Zhang
- The College of Basic Medical Science, China Medical University, Shenyang, 110122, China.
| | - Bao-Hong Jiang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.
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Meital LT, Schulze K, Magee R, O’Donnell J, Jha P, Meital CY, Donkin R, Bailey TG, Askew CD, Russell FD. Long Chain Omega-3 Polyunsaturated Fatty Acids Improve Vascular Stiffness in Abdominal Aortic Aneurysm: A Randomized Controlled Trial. Nutrients 2020; 13:E138. [PMID: 33396567 PMCID: PMC7824679 DOI: 10.3390/nu13010138] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/29/2020] [Accepted: 12/29/2020] [Indexed: 11/16/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is a vascular disease involving permanent focal dilation of the abdominal aorta (≥30 mm) that can lead to catastrophic rupture. Destructive remodeling of aortic connective tissue in AAA contributes to wall stiffening, a mechanical parameter of the arterial system linked to a heightened risk of cardiovascular morbidity and mortality. Since aortic stiffening is associated with AAA progression, treatment options that target vascular inflammation would appear prudent. Given this, and growing evidence indicating robust anti-inflammatory and vasoprotective properties for long chain omega-3 polyunsaturated fatty acids (LC n-3 PUFAs), this study evaluated the impact of these nutrients (1.8 g/day for 12 weeks) on indices of vascular stiffness in patients with AAA. At baseline, pulse wave velocity (PWV) and augmentation index normalized to a heart rate of 75 bpm (AIx75) were significantly higher in patients with AAA compared to control participants (PWV: 14.2 ± 0.4 m.s-1 vs. 12.6 ± 0.4 m.s-1, p = 0.014; AIx75: 26.4 ± 1.7% vs. 17.3 ± 2.7%, p = 0.005). Twelve-week LC n-3 PUFA supplementation significantly decreased PWV (baseline: 14.2 ± 0.6 m.s-1, week 12: 12.8 ± 0.7 m.s-1, p = 0.014) and heart rate (baseline: 63 ± 3 bpm, week 12: 58 ± 3 bpm, p = 0.009) in patients with AAA. No change was observed for patients receiving placebo capsules. While this raises the possibility that LC n-3 PUFAs provide improvements in aortic stiffness in patients with AAA, the clinical implications remain to be fully elucidated.
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Affiliation(s)
- Lara T. Meital
- Centre for Genetics, Ecology & Physiology, University of the Sunshine Coast, Maroochydore, QLD 4556, Australia;
- School of Health and Behavioural Sciences, University of the Sunshine Coast, Maroochydore, QLD 4556, Australia; (R.D.); (C.D.A.)
| | - Karl Schulze
- Sunshine Vascular, Buderim, QLD 4556, Australia;
| | - Rebecca Magee
- Department of Surgery, Sunshine Coast University Hospital, Birtinya, QLD 4575, Australia; (R.M.); (J.O.); (P.J.)
| | - Jill O’Donnell
- Department of Surgery, Sunshine Coast University Hospital, Birtinya, QLD 4575, Australia; (R.M.); (J.O.); (P.J.)
| | - Pankaj Jha
- Department of Surgery, Sunshine Coast University Hospital, Birtinya, QLD 4575, Australia; (R.M.); (J.O.); (P.J.)
| | - Chaim Y. Meital
- Moffat Beach Family Medical Practice, Moffat Beach, QLD 4551, Australia;
| | - Rebecca Donkin
- School of Health and Behavioural Sciences, University of the Sunshine Coast, Maroochydore, QLD 4556, Australia; (R.D.); (C.D.A.)
| | - Tom G. Bailey
- Physiology and Ultrasound Laboratory in Science and Exercise (PULSE), Centre for Research on Exercise, Physical Activity and Health, School of Human Movement and Nutrition Sciences, The University of Queensland, Queensland, QLD 4343, Australia;
- School of Nursing, Midwifery and Social Work, The University of Queensland, Queensland, QLD 4343, Australia
| | - Christopher D. Askew
- School of Health and Behavioural Sciences, University of the Sunshine Coast, Maroochydore, QLD 4556, Australia; (R.D.); (C.D.A.)
- VasoActive Research Group, Sunshine Coast Health Institute, Sunshine Coast Hospital and Health Service, Birtinya, QLD 4575, Australia
| | - Fraser D. Russell
- Centre for Genetics, Ecology & Physiology, University of the Sunshine Coast, Maroochydore, QLD 4556, Australia;
- School of Health and Behavioural Sciences, University of the Sunshine Coast, Maroochydore, QLD 4556, Australia; (R.D.); (C.D.A.)
- VasoActive Research Group, Sunshine Coast Health Institute, Sunshine Coast Hospital and Health Service, Birtinya, QLD 4575, Australia
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8
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Hosseini S, Epple M. Suppositories with bioactive calcium phosphate nanoparticles for intestinal transfection and gene silencing. NANO SELECT 2020. [DOI: 10.1002/nano.202000150] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
- Shabnam Hosseini
- Inorganic Chemistry and Centre for Nanointegration Duisburg‐Essen (CeNIDE) University of Duisburg‐Essen Essen Germany
| | - Matthias Epple
- Inorganic Chemistry and Centre for Nanointegration Duisburg‐Essen (CeNIDE) University of Duisburg‐Essen Essen Germany
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Plana E, Oto J, Medina P, Fernández-Pardo Á, Miralles M. Novel contributions of neutrophils in the pathogenesis of abdominal aortic aneurysm, the role of neutrophil extracellular traps: A systematic review. Thromb Res 2020; 194:200-208. [DOI: 10.1016/j.thromres.2020.07.039] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 07/17/2020] [Accepted: 07/20/2020] [Indexed: 12/19/2022]
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10
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Tingting T, Wenjing F, Qian Z, Hengquan W, Simin Z, Zhisheng J, Shunlin Q. The TGF-β pathway plays a key role in aortic aneurysms. Clin Chim Acta 2019; 501:222-228. [PMID: 31707165 DOI: 10.1016/j.cca.2019.10.042] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 10/25/2019] [Accepted: 10/28/2019] [Indexed: 02/07/2023]
Abstract
Aortic dissection and aortic aneurysms are currently among the most high-risk cardiovascular diseases due to their rapid onset and high mortality. Although aneurysm research has been extensive, the pathogenesis remains unknown. Studies have found that the TGF-β/Smad pathway and aneurysm formation appear linked. For example, the TGF-β signaling pathway was significantly activated in aneurysm development and aortic dissection. Aneurysms are not, however, mitigated following knockdown of TGF-β signaling pathway-related genes. Incidence and mortality rate of ruptured thoracic aneurysms increase with the down-regulation of the classical TGF-β signaling pathway. In this review, we summarize recent findings and evaluate the differential role of classical and non-classical TGF-β pathways on aortic aneurysm. It is postulated that the TGF-β signaling pathway is necessary to maintain vascular function, but over-activation will promote aneurysms whereas over-inhibition will lead to bypass pathway over-activation and promote aneurysm occurrence.
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Affiliation(s)
- Tang Tingting
- Pathophysiology Department, Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, University of South China, Hengyang City, Hunan Province 421001, PR China
| | - Fan Wenjing
- Pathophysiology Department, Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, University of South China, Hengyang City, Hunan Province 421001, PR China; Emergency Department, The Second Affiliated Hospital, University of South China, Hengyang City, Hunan Province 421001, PR China
| | - Zeng Qian
- Pathophysiology Department, Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, University of South China, Hengyang City, Hunan Province 421001, PR China
| | - Wan Hengquan
- Pathophysiology Department, Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, University of South China, Hengyang City, Hunan Province 421001, PR China
| | - Zhao Simin
- Pathophysiology Department, Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, University of South China, Hengyang City, Hunan Province 421001, PR China
| | - Jiang Zhisheng
- Pathophysiology Department, Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, University of South China, Hengyang City, Hunan Province 421001, PR China
| | - Qu Shunlin
- Pathophysiology Department, Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, University of South China, Hengyang City, Hunan Province 421001, PR China.
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11
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Meital LT, Windsor MT, Perissiou M, Schulze K, Magee R, Kuballa A, Golledge J, Bailey TG, Askew CD, Russell FD. Omega-3 fatty acids decrease oxidative stress and inflammation in macrophages from patients with small abdominal aortic aneurysm. Sci Rep 2019; 9:12978. [PMID: 31506475 PMCID: PMC6736886 DOI: 10.1038/s41598-019-49362-z] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 08/23/2019] [Indexed: 12/11/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is associated with inflammation and oxidative stress, the latter of which contributes to activation of macrophages, a prominent cell type in AAA. Omega-3 polyunsaturated fatty acids (n-3 PUFAs) have been reported to limit oxidative stress in animal models of AAA. The aim of this study was to evaluate the effect of the n-3 PUFA docosahexaenoic acid (DHA) on antioxidant defence in macrophages from patients with AAA. Cells were obtained from men with small AAA (diameter 3.0–4.5 cm, 75 ± 6 yr, n = 19) and age- matched male controls (72 ± 5 yr, n = 41) and incubated with DHA for 1 h before exposure to 0.1 µg/mL lipopolysaccharide (LPS) for 24 h. DHA supplementation decreased the concentration of tumour necrosis factor-α (TNF-α; control, 42.1 ± 13.6 to 5.1 ± 2.1 pg/ml, p < 0.01; AAA, 25.2 ± 9.8 to 1.9 ± 0.9 pg/ml, p < 0.01) and interleukin-6 (IL-6; control, 44.9 ± 7.7 to 5.9 ± 2.0 pg/ml, p < 0.001; AAA, 24.3 ± 5.2 to 0.5 ± 0.3 pg/ml, p < 0.001) in macrophage supernatants. DHA increased glutathione peroxidase activity (control, 3.2 ± 0.3 to 4.1 ± 0.2 nmol/min/ml/μg protein, p = 0.004; AAA, 2.3 ± 0.5 to 3.4 ± 0.5 nmol/min/ml/μg protein, p = 0.008) and heme oxygenase-1 mRNA expression (control, 1.5-fold increase, p < 0.001). The improvements in macrophage oxidative stress status serve as a stimulus for further investigation of DHA in patients with AAA.
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Affiliation(s)
- Lara T Meital
- Centre for Genetics, Ecology & Physiology, School of Health and Sport Sciences, University of the Sunshine Coast, Sippy Downs, Qld, Australia.,VasoActive Group, School of Health and Sport Sciences, University of the Sunshine Coast, Sippy Downs, Qld, Australia
| | - Mark T Windsor
- VasoActive Group, School of Health and Sport Sciences, University of the Sunshine Coast, Sippy Downs, Qld, Australia
| | - Maria Perissiou
- VasoActive Group, School of Health and Sport Sciences, University of the Sunshine Coast, Sippy Downs, Qld, Australia
| | | | - Rebecca Magee
- Sunshine Coast University Hospital, Birtinya, Qld, Australia
| | - Anna Kuballa
- Centre for Genetics, Ecology & Physiology, School of Health and Sport Sciences, University of the Sunshine Coast, Sippy Downs, Qld, Australia
| | - Jonathan Golledge
- Queensland Research Centre for Peripheral Vascular Disease, College of Medicine and Dentistry, James Cook University, Townsville, Australia.,Department of Vascular and Endovascular Surgery, Townsville Hospital, Townsville, Australia
| | - Tom G Bailey
- VasoActive Group, School of Health and Sport Sciences, University of the Sunshine Coast, Sippy Downs, Qld, Australia.,Centre for Research on Exercise, Physical Activity and Health, School of Human Movement and Nutrition Sciences, The University of Queensland, St. Lucia, Qld, Australia
| | - Christopher D Askew
- VasoActive Group, School of Health and Sport Sciences, University of the Sunshine Coast, Sippy Downs, Qld, Australia
| | - Fraser D Russell
- Centre for Genetics, Ecology & Physiology, School of Health and Sport Sciences, University of the Sunshine Coast, Sippy Downs, Qld, Australia. .,VasoActive Group, School of Health and Sport Sciences, University of the Sunshine Coast, Sippy Downs, Qld, Australia.
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12
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Meital LT, Windsor MT, Ramirez Jewell RML, Young P, Schulze K, Magee R, O'Donnell J, Jha P, Perissiou M, Golledge J, Bailey TG, Brooks P, Askew CD, Russell FD. n-3 PUFAs improve erythrocyte fatty acid profile in patients with small AAA: a randomized controlled trial. J Lipid Res 2019; 60:1154-1163. [PMID: 30914500 DOI: 10.1194/jlr.p093013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 03/06/2019] [Indexed: 12/23/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is an important cause of death in older adults, which has no current drug therapy. Inflammation and abnormal redox status are believed to be key pathogenic mechanisms for AAA. In light of evidence correlating inflammation with aberrant fatty acid profiles, this study compared erythrocyte fatty acid content in 43 AAA patients (diameter 3.0-4.5 cm) and 52 healthy controls. In addition, the effect of omega-3 PUFA (n-3 PUFA) supplementation on erythrocyte fatty acid content was examined in a cohort of 30 AAA patients as part of a 12 week randomized placebo-controlled clinical trial. Blood analyses identified associations between AAA and decreased linoleic acid (LA), and AAA and increased Δ6-desaturase activity and biosynthesis of arachidonic acid (AA) from LA. Omega-3 PUFA supplementation (1.5 g DHA + 0.3 g EPA/day) decreased red blood cell distribution width (14.8 ± 0.4% to 13.8 ± 0.2%; P = 0.003) and levels of pro-inflammatory n-6 PUFAs (AA, 12.46 ± 0.23% to 10.14 ± 0.3%, P < 0.001; adrenic acid, 2.12 ± 0.13% to 1.23 ± 0.09%; P < 0.001). In addition, Δ-4 desaturase activity increased (DHA/docosapentaenoic acid ratio, 1.85 ± 0.14 to 3.93 ± 0.17; P < 0.001) and elongase 2/5 activity decreased (adrenic acid/AA ratio, 0.17 ± 0.01 to 0.12 ± 0.01; P < 0.01) following supplementation. The findings suggest that n-3 PUFAs improve fatty acid profiles and ameliorate factors associated with inflammation in AAA patients.
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Affiliation(s)
- Lara T Meital
- GeneCology Research Centre, University of the Sunshine Coast, Queensland, Australia.,VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia
| | - Mark T Windsor
- VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia
| | | | - Peter Young
- Technical Services University of the Sunshine Coast, Queensland, Australia
| | - Karl Schulze
- Sunshine Vascular, Buderim, Queensland, Australia
| | - Rebecca Magee
- Sunshine Coast University Hospital Birtinya, Queensland, Australia
| | - Jill O'Donnell
- VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia
| | - Pankaj Jha
- VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia
| | - Maria Perissiou
- VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia
| | - Jonathan Golledge
- Queensland Research Centre for Peripheral Vascular Disease College of Medicine and Dentistry, James Cook University and Department of Vascular and Endovascular Surgery, Townsville Hospital, Townsville, Australia; and
| | - Tom G Bailey
- VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia.,Centre for Research on Exercise, Physical Activity, and Health, School of Human Movement and Nutrition Sciences, University of Queensland, Queensland, Australia
| | - Peter Brooks
- Centre for Genetics, Ecology, and Physiology, School of Science and Engineering University of the Sunshine Coast, Queensland, Australia
| | - Christopher D Askew
- VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia
| | - Fraser D Russell
- GeneCology Research Centre, University of the Sunshine Coast, Queensland, Australia .,VasoActive Research Group, School of Health and Sport Sciences University of the Sunshine Coast, Queensland, Australia
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13
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Lindholt JS, Kristensen KL, Burillo E, Martinez-Lopez D, Calvo C, Ros E, Martín-Ventura JL, Sala-Vila A. Arachidonic Acid, but Not Omega-3 Index, Relates to the Prevalence and Progression of Abdominal Aortic Aneurysm in a Population-Based Study of Danish Men. J Am Heart Assoc 2018; 7:JAHA.117.007790. [PMID: 29374048 PMCID: PMC5850259 DOI: 10.1161/jaha.117.007790] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Background Animal models support dietary omega‐3 fatty acids protection against abdominal aortic aneurysm (AAA), but clinical data are scarce. The sum of red blood cell proportions of the omega‐3 eicosapentaenoic and docosahexaenoic acids, known as omega‐3 index, is a valid surrogate for long‐term omega‐3 intake. We investigated the association between the omega‐3 index and the prevalence and progression of AAA. We also investigated associations between AAA and arachidonic acid, an omega‐6 fatty acid that is a substrate for proinflammatory lipid mediators. Methods and Results We obtained blood samples from 498 AAA patients (maximal aortic diameter ≥30 mm) within a population‐based ultrasound‐screening trial in men and from 199 age‐matched controls who screened negative. We determined the fatty acids of red blood cells by gas chromatography. During a median follow‐up of 4.85 years, 141 AAA patients reached criteria for vascular surgical repair. Participants were high consumers of omega‐3 (average omega‐3 index: 7.6%). No significant associations were found for omega‐3 index. In contrast, arachidonic acid in AAA patients was higher than in controls (P<0.001), and individuals in the upper tertile of arachidonic acid at baseline had higher probability of having AAA (odds ratio: 1.309; 95% confidence interval, 1.021–1.678; P=0.033). AAA patients at the upper tertile of arachidonic acid at baseline had a 54% higher risk of needing surgical repair during follow‐up (hazard ratio: 1.544; 95% confidence interval, 1.127–2.114; P=0.007). Conclusions Omega‐3 index is unrelated to men with AAA from a country in which fish consumption is customarily high. Arachidonic acid is associated with AAA presence and progression. Clinical Trial Registration URL: https://www.clinicaltrials.gov. Unique identifier: NCT00662480.
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Affiliation(s)
- Jes S Lindholt
- Elitary Research Centre of Individualized Medicine in Arterial Disease (CIMA), Department of Cardiothoracic and Vascular Surgery, Odense University Hospital, Odense, Denmark
| | - Katrine L Kristensen
- Elitary Research Centre of Individualized Medicine in Arterial Disease (CIMA), Department of Cardiothoracic and Vascular Surgery, Odense University Hospital, Odense, Denmark
| | - Elena Burillo
- Vascular Research Lab., FIIS-Fundación Jiménez Díaz, Autónoma University, Madrid, Spain
| | - Diego Martinez-Lopez
- Vascular Research Lab., FIIS-Fundación Jiménez Díaz, Autónoma University, Madrid, Spain
| | - Carlos Calvo
- CIBEROBN, Instituto de Salud Carlos III (ISCIII), Madrid, Spain.,Lipid Clinic, Endocrinology and Nutrition Service, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clínic, Barcelona, Spain
| | - Emilio Ros
- CIBEROBN, Instituto de Salud Carlos III (ISCIII), Madrid, Spain.,Lipid Clinic, Endocrinology and Nutrition Service, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clínic, Barcelona, Spain
| | - Jose L Martín-Ventura
- CIBERCV, Instituto de Salud Carlos III (ISCIII), Madrid, Spain .,Vascular Research Lab., FIIS-Fundación Jiménez Díaz, Autónoma University, Madrid, Spain
| | - Aleix Sala-Vila
- CIBEROBN, Instituto de Salud Carlos III (ISCIII), Madrid, Spain.,Lipid Clinic, Endocrinology and Nutrition Service, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clínic, Barcelona, Spain
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14
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de Carvalho SC, Hindi SM, Kumar A, Marques MJ. Effects of omega-3 on matrix metalloproteinase-9, myoblast transplantation and satellite cell activation in dystrophin-deficient muscle fibers. Cell Tissue Res 2017. [PMID: 28623422 DOI: 10.1007/s00441-017-2640-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
In Duchenne muscular dystrophy (DMD), lack of dystrophin leads to progressive muscle degeneration, with DMD patients suffering from cardiorespiratory failure. Cell therapy is an alternative to life-long corticoid therapy. Satellite cells, the stem cells of skeletal muscles, do not completely compensate for the muscle damage in dystrophic muscles. Elevated levels of proinflammatory and profibrotic factors, such as metalloproteinase 9 (MMP-9), impair muscle regeneration, leading to extensive fibrosis and poor results with myoblast transplantation therapies. Omega-3 is an anti-inflammatory drug that protects against muscle degeneration in the mdx mouse model of DMD. In the present study, we test our hypothesis that omega-3 affects MMP-9 and thereby benefits muscle regeneration and myoblast transplantation in the mdx mouse. We observe that omega-3 reduces MMP-9 gene expression and improves myoblast engraftment, satellite cell activation, and muscle regeneration by mechanisms involving, at least in part, the regulation of macrophages, as shown here with the fluorescence-activated cell sorting technique. The present study demonstrates the benefits of omega-3 on satellite cell survival and muscle regeneration, further supporting its use in clinical trials and cell therapies in DMD.
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Affiliation(s)
- Samara Camaçari de Carvalho
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, UNICAMP, Campinas, SP, CEP 1083-970, Brazil
| | - Sajedah M Hindi
- Department of Anatomical Sciences and Neurobiology, University of Louisville School of Medicine, Louisville, KY, USA
| | - Ashok Kumar
- Department of Anatomical Sciences and Neurobiology, University of Louisville School of Medicine, Louisville, KY, USA
| | - Maria Julia Marques
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, UNICAMP, Campinas, SP, CEP 1083-970, Brazil.
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15
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Zaima N. The Effect of n-3 PUFA on the Development of Abdominal Aortic Aneurysm. J Atheroscler Thromb 2017; 24:908-909. [PMID: 28552852 PMCID: PMC5587515 DOI: 10.5551/jat.ed078] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Nobuhiro Zaima
- Department of Applied Biological Chemistry, Graduate School of Agricultural Science, Kindai University
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16
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Meital LT, Sandow SL, Calder PC, Russell FD. Abdominal aortic aneurysm and omega-3 polyunsaturated fatty acids: Mechanisms, animal models, and potential treatment. Prostaglandins Leukot Essent Fatty Acids 2017; 118:1-9. [PMID: 28288701 DOI: 10.1016/j.plefa.2017.02.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 01/30/2017] [Accepted: 02/07/2017] [Indexed: 01/22/2023]
Abstract
Abdominal aortic aneurysm (AAA) is an inflammatory disease associated with macrophage accumulation in the adventitia, oxidative stress, medial elastin degradation and aortic dilation. Progression of AAA is linked to increased risk of rupture, which carries a high mortality rate. Drug therapies trialled to date lack efficacy and although aneurysm repair is available for patients with large aneurysm, peri-surgical morbidity and mortality have been widely reported. Recent studies using rodent models of AAA suggest that long chain omega-3 polyunsaturated fatty acids (LC n-3 PUFAs) and their metabolites can moderate inflammation and oxidative stress perpetuated by infiltrating macrophages and intervene in the destruction of medial elastin. This review examines evidence from these animal studies and related reports of inhibition of inflammation and arrest of aneurysm development following prophylactic supplementation with LC n-3 PUFAs. The efficacy of LC n-3 PUFAs for management of existing aneurysm is unclear and further investigations involving human clinical trials are warranted.
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Affiliation(s)
- Lara T Meital
- Inflammation and Healing Research Cluster, School of Health and Sport Sciences, University of the Sunshine Coast, Queensland, Australia
| | - Shaun L Sandow
- Inflammation and Healing Research Cluster, School of Health and Sport Sciences, University of the Sunshine Coast, Queensland, Australia
| | - Philip C Calder
- Human Development and Health Academic Unit, Faculty of Medicine, University of Southampton, Southampton, UK; NIHR Southampton Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust and University of Southampton, Southampton, UK
| | - Fraser D Russell
- Inflammation and Healing Research Cluster, School of Health and Sport Sciences, University of the Sunshine Coast, Queensland, Australia.
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17
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Bürgin-Maunder CS, Nataatmadja M, Vella RK, Fenning AS, Brooks PR, Russell FD. Investigation of long chain omega-3 PUFAs on arterial blood pressure, vascular reactivity and survival in angiotensin II-infused Apolipoprotein E-knockout mice. Clin Exp Pharmacol Physiol 2016; 43:174-81. [PMID: 26638987 DOI: 10.1111/1440-1681.12520] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 11/16/2015] [Accepted: 11/25/2015] [Indexed: 02/02/2023]
Abstract
Abdominal aortic aneurysm (AAA) is an inflammatory vascular disease. Long chain omega-3 polyunsaturated fatty acids (LC n-3 PUFAs) decrease inflammation and oxidative stress in an angiotensin II-infused apolipoprotein E-knockout (ApoE(-/-)) mouse model of AAA. This study investigated the effects of LC n-3 PUFAs on blood pressure and vascular reactivity in fourteen angiotensin II-infused ApoE(-/-) male mice. Blood pressure was obtained using a non-invasive tail cuff method and whole blood was collected by cardiac puncture. Vascular reactivity of the thoracic aorta was assessed using wire myography and activation of endothelial nitric oxide synthase (eNOS) was determined by immunohistochemistry. A high LC n-3 PUFA diet increased the omega-3 index and reduced the n-6 to n-3 PUFA ratio. At day 10 post-infusion with angiotensin II, there was no difference in systolic blood pressure or diastolic blood pressure in mice fed the high or low n-3 PUFA diets. The high LC n-3 PUFA diet resulted in a non-significant trend for delay in time to death from abdominal aortic rupture. Vascular reactivity and eNOS activation remained unchanged in mice fed the high compared to the low LC n-3 PUFA diet. This study argues against direct improvement in vascular reactivity in ApoE(-/-) mice that were supplemented with n-3 PUFA for 8 weeks prior to infusion with angiotensin II.
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Affiliation(s)
- Corinna S Bürgin-Maunder
- Inflammation and Healing Research Cluster, University of the Sunshine Coast, Sippy Downs, Queensland, Australia
| | - Maria Nataatmadja
- The Prince Charles Hospital, University of Queensland, Brisbane, Queensland, Australia
| | - Rebecca K Vella
- School of Medical and Applied Sciences, Central Queensland University, Rockhampton, Queensland, Australia
| | - Andrew S Fenning
- School of Medical and Applied Sciences, Central Queensland University, Rockhampton, Queensland, Australia
| | - Peter R Brooks
- Inflammation and Healing Research Cluster, University of the Sunshine Coast, Sippy Downs, Queensland, Australia
| | - Fraser D Russell
- Inflammation and Healing Research Cluster, University of the Sunshine Coast, Sippy Downs, Queensland, Australia
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18
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Pope NH, Salmon M, Davis JP, Chatterjee A, Su G, Conte MS, Ailawadi G, Upchurch GR. D-series resolvins inhibit murine abdominal aortic aneurysm formation and increase M2 macrophage polarization. FASEB J 2016; 30:4192-4201. [PMID: 27619672 DOI: 10.1096/fj.201600144rr] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Accepted: 09/01/2016] [Indexed: 12/31/2022]
Abstract
The role of resolvins in abdominal aortic aneurysm (AAA) has not been established. We hypothesized that treatment with D-series resolvins (RvD2 or RvD1) would attenuate murine AAA formation through alterations in macrophage polarization and cytokine expression. Male C57/B6 mice (n = 9 per group) 8 to 12 wk old received RvD2 (100 ng/kg/treatment), RvD1 (100 ng/kg/treatment), or vehicle only every third day beginning 3 d before abdominal aortic perfusion with elastase as prevention. Aortas were collected 14 d after elastase perfusion. Cytokine analysis (n = 5 per group) or confocal microscopy (n = 4 per group) was performed. In a separate experiment, RvD2 was provided to mice with small AAAs 3 d after elastase treatment (n = 8 per group). Additionally, apolipoprotein E knockout mice treated with angiotensin II (1000 ng/kg) were treated with RvD2 or vehicle alone (n = 10 per group) in a nonsurgical model of AAA. To determine the effect of RvD2 on macrophage polarization, confocal staining for macrophages, M1 and M2 macrophage subtypes, α-actin, and DAPI was performed. Mean aortic dilation was 96 ± 13% for vehicle-treated mice, 57 ± 9.7% for RvD2-treated mice, and 61 ± 11% for RvD1-treated mice (P < 0.0001). Proinflammatory cytokines macrophage chemotactic protein 1, C-X-C motif ligand 1, and IL-1β were significantly elevated in control animals compared to RvD2- and RvD1-treated animals (P < 0.05), resulting in a reduction of matrix metalloproteinase 2 and 9 activity in resolvin-treated mice in both elastase and angiotensin II models. Treatment of existing small AAAs with RvD2 demonstrated a 25% reduction in aneurysm size at d 14 compared to vehicle alone (P = 0.018). Confocal histology demonstrated a prevalence of M2 macrophages within the aortic medium in mice treated with RvD2. Resolvin D2 exhibits a potent protective effect against experimental AAA formation. Treatment with RvD2 significantly influences macrophage polarization and decreases several important proinflammatory cytokines. Resolvins and the alteration of macrophage polarization represent potential future targets for prevention of AAA.-Pope, N. H., Salmon, M., Davis, J. P., Chatterjee, A., Su, G., Conte, M. S., Ailawadi, G., Upchurch, G. R., Jr. D-series resolvins inhibit murine abdominal aortic aneurysm formation and increase M2 macrophage polarization.
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Affiliation(s)
- Nicolas H Pope
- Department of Surgery, University of Virginia, Charlottesville, Virginia, USA; and
| | - Morgan Salmon
- Department of Surgery, University of Virginia, Charlottesville, Virginia, USA; and
| | - John P Davis
- Department of Surgery, University of Virginia, Charlottesville, Virginia, USA; and
| | - Anuran Chatterjee
- Department of Surgery, Division of Vascular and Endovascular Surgery, University of California, San Francisco, San Francisco, California, USA
| | - Gang Su
- Department of Surgery, University of Virginia, Charlottesville, Virginia, USA; and
| | - Michael S Conte
- Department of Surgery, Division of Vascular and Endovascular Surgery, University of California, San Francisco, San Francisco, California, USA
| | - Gorav Ailawadi
- Department of Surgery, University of Virginia, Charlottesville, Virginia, USA; and
| | - Gilbert R Upchurch
- Department of Surgery, University of Virginia, Charlottesville, Virginia, USA; and
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