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Prasad S, Kumar V, Singh C, Singh A. Crosstalk between phytochemicals and inflammatory signaling pathways. Inflammopharmacology 2023; 31:1117-1147. [PMID: 37022574 DOI: 10.1007/s10787-023-01206-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 03/21/2023] [Indexed: 04/07/2023]
Abstract
Novel bioactive constituents from natural sources are actively being investigated. The phytochemicals in these phenolic compounds are believed to have a variety of beneficial effects on human health. Several phenolic compounds have been found in plants. The antioxidant potential of phenols has been discussed in numerous studies along with their anti-inflammatory effects on pro-inflammatory cytokine, inducible cyclooxygenase-2, and nitric oxide synthase. Through current study, an attempt is made to outline and highlight a wide variety of inflammation-associated signaling pathways that have been modified by several natural compounds. These signaling pathways include nuclear factor-kappa B (NF-кB), activator protein (AP)-1, protein tyrosine kinases (PTKs), mitogen-activated protein kinases (MAPKs), nuclear factor erythroid 2-related factor 2 (Nrf2) transcription factors, tyrosine phosphatidylinositol 3-kinase (PI3K)/AKT, and the ubiquitin-proteasome system. In light of the influence of natural substances on signaling pathways, their impact on the production of inflammatory mediator is highlighted in this review.
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Affiliation(s)
- Sonima Prasad
- Department of Pharmacology, ISF College of Pharmacy, Moga, 142001, Punjab, India
| | - Vishal Kumar
- Department of Pharmacology, ISF College of Pharmacy, Moga, 142001, Punjab, India
| | - Charan Singh
- Department of Pharmaceutical Sciences, School of Pharmacy, H.N.B. Garhwal University, Srinagar, Garhwal, 246174, Uttarakhand, India
| | - Arti Singh
- Department of Pharmacology, ISF College of Pharmacy, Moga, 142001, Punjab, India.
- Affiliated to IK Gujral Punjab Technical University, Jalandhar, Punjab, 144603, India.
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2
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Caffeic Acid and Diseases-Mechanisms of Action. Int J Mol Sci 2022; 24:ijms24010588. [PMID: 36614030 PMCID: PMC9820408 DOI: 10.3390/ijms24010588] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/15/2022] [Accepted: 12/21/2022] [Indexed: 12/31/2022] Open
Abstract
Caffeic acid belongs to the polyphenol compounds we consume daily, often in the form of coffee. Even though it is less explored than caffeic acid phenethyl ester, it still has many positive effects on human health. Caffeic acid can affect cancer, diabetes, atherosclerosis, Alzheimer's disease, or bacterial and viral infections. This review focuses on the molecular mechanisms of how caffeic acid achieves its effects.
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Biofortification of Three Cultivated Mushroom Species with Three Iron Salts—Potential for a New Iron-Rich Superfood. Molecules 2022; 27:molecules27072328. [PMID: 35408727 PMCID: PMC9000346 DOI: 10.3390/molecules27072328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 03/31/2022] [Accepted: 04/02/2022] [Indexed: 02/04/2023] Open
Abstract
Mushrooms fortified with iron (Fe) can offer a promising alternative to counter the worldwide deficiency problem. However, the factors that may influence the efficiency of fortification have not yet been fully investigated. The aim of this study was to compare the effects of three Fe forms (FeCl3 6H2O, FeSO4 7H2O, or FeHBED) in three concentrations (5, 10, or 50 mM) for three mushroom species (Pleurotus eryngii, P. ostreatus, or Pholiota nameko) on their chemical composition, phenolic compounds, and organic acid production. The most effective metal accumulation of all the investigated species was for the 50 mM addition. FeCl3 6H2O was the most favorable additive for P. eryngii and P. nameko (up to 145 and 185% Fe more than in the control, respectively) and FeHBED for P. ostreatus (up to 108% Fe more than in control). Additionally, P. nameko showed the highest Fe accumulation among studied species (89.2 ± 7.51 mg kg−1 DW). The creation of phenolic acids was generally inhibited by Fe salt supplementation. However, an increasing effect on phenolic acid concentration was observed for P. ostreatus cultivated at 5 mM FeCl3 6H2O and for P. eryngii cultivated at 5 mM FeCl3 6H2O and 5 mM FeSO4 7H2O. In the case of organic acids, a similar situation was observed. For P. ostreatus, FeSO4 7H2O and FeHBED salts increased the formation of the determined organic acids in fruiting bodies. P. eryngii and P. nameko were characterized by a much lower content of organic acids in the systems supplemented with Fe. Based on the obtained results, we recommend starting fortification by preliminarily indicating which form of the element is preferred for the species of interest for supplementation. It also seems that using an additive concentration of 50 mM or higher is most effective.
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Grigore A, Vulturescu V, Neagu G, Ungureanu P, Panteli M, Rasit I. Antioxidant–Anti-Inflammatory Evaluation of a Polyherbal Formula. Pharmaceuticals (Basel) 2022; 15:ph15020114. [PMID: 35215227 PMCID: PMC8874475 DOI: 10.3390/ph15020114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 01/09/2022] [Accepted: 01/12/2022] [Indexed: 02/01/2023] Open
Abstract
Most disease—both acute and chronic—results from inflammation, and reactive oxygen species (ROS) are considered some of the strongest stimuli of inflammation. Many studies reported the traditional use of herbal species for treating inflammation, especially when ROS are involved. The present study aims to demonstrate the antioxidant–anti-inflammatory effects of a patented preparation based on Populus nigra and Rosmarinus officinalis extracts and to highlight its applicative potential; the formula was characterized by HPTLC and HPLC and in-vitro studies were conducted on TNF-α-stimulated HUVECs. The antioxidant activity of the formula was determined by DPPH assay and the phosphomolybdenum method; to assess in-vivo anti-inflammatory activity, a rat paw edema model was used; the formula contains high amounts of polyphenols. It exhibited scavenging activity of 50–85% at 1–10 mg/mL, it inhibited nitrite production and ICAM-1 expression in TNF-α-stimulated endothelial cell cultures dose-dependently, at a maximum of 58.7% at the maximum dose administered and exerted an obvious anti-inflammatory effect in vivo, settling early and decreasing at 180 min; a new herbal bioactive product was presented with promising therapeutic potential that can be an adjunct to conventional therapies for diseases based on oxidative stress and inflammation.
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Zamani-Garmsiri F, Emamgholipour S, Rahmani Fard S, Ghasempour G, Jahangard Ahvazi R, Meshkani R. Polyphenols: Potential anti-inflammatory agents for treatment of metabolic disorders. Phytother Res 2021; 36:415-432. [PMID: 34825416 DOI: 10.1002/ptr.7329] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 10/17/2021] [Accepted: 10/23/2021] [Indexed: 12/31/2022]
Abstract
Ample evidence highlights the potential benefits of polyphenols in health status especially in obesity-related metabolic disorders such as insulin resistance, type 2 diabetes, and cardiovascular diseases. Mechanistically, due to the key role of "Metainflammation" in the pathomechanism of metabolic disorders, recently much focus has been placed on the properties of polyphenols in obesity-related morbidities. This narrative review summarizes the current knowledge on the role of polyphenols, including genistein, chlorogenic acid, ellagic acid, caffeic acid, and silymarin in inflammatory responses pertinent to metabolic disorders and discusses the implications of this evidence for future directions. This review provides evidence that the aforementioned polyphenols benefit health status in metabolic disorders via direct and indirect regulation of a variety of target proteins involved in inflammatory signaling pathways. However, due to limitations of the in vitro and in vivo studies and also the lack of long-term human clinical trials studies, further high-quality investigations are required to firmly establish the clinical efficacy of the polyphenols for the prevention and management of metabolic disorders.
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Affiliation(s)
- Fahimeh Zamani-Garmsiri
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Solaleh Emamgholipour
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Soheil Rahmani Fard
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Antimicrobial Resistance Research Center, Institute of immunology and infectious Disease, Iran University of Medical Sciences, Tehran, Iran
| | - Ghasem Ghasempour
- Department of Clinical Biochemistry, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Roya Jahangard Ahvazi
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Meshkani
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Feng J, Ge C, Li W, Li R. 3-(3-Hydroxyphenyl)propionic acid, a microbial metabolite of quercetin, inhibits monocyte binding to endothelial cells via modulating E-selectin expression. Fitoterapia 2021; 156:105071. [PMID: 34743931 DOI: 10.1016/j.fitote.2021.105071] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/23/2021] [Accepted: 10/24/2021] [Indexed: 11/18/2022]
Abstract
Adhesion of monocytes to endothelial cells is an important initiating step in atherogenesis. One of the most abundant flavonoids in the diet, quercetin has been reported to inhibit monocyte adhesion to endothelial cells. However, it is poorly absorbed in the upper gastrointestinal tract during oral intake but rather is metabolized by the intestinal microbiota into various phenolic acids. Since the biological properties of the microbial metabolites of quercetin remain largely unknown, herein, we investigated how the microbial metabolite of quercetin, 3-(3-hydroxyphenyl)propionic acid (3HPPA) impact monocyte adhesion to endothelial cells. Direct treatment with 3HPPA for 24 h was not cytotoxic to human aortic endothelial cells (HAECs). Cotreatment with 3HPPA inhibited tumor necrosis factor α (TNFα)-induced adhesion of THP-1 monocytes to HAECs, and suppressed the upregulation of cell adhesion molecule E-selectin but not intercellular adhesion molecule 1 or vascular cell adhesion molecule 1. Furthermore, 3HPPA was found to inhibit TNFα-induced nuclear translocation and phosphorylation of the p65 subunit of nuclear factor κB (NF-κB). We conclude that 3HPPA mitigates the adhesion of monocytes to endothelial cells by suppressing the expression of the cell adhesion molecule E-selectin in HAECs via inhibition of the NF-κB pathway, providing additional evidence for the health benefits of dietary flavonoids and their microbial metabolites as therapeutic agents in atherosclerosis.
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Affiliation(s)
- Juan Feng
- College of Health Science and Environmental Engineering, Shenzhen Technology University, Shenzhen, Guangdong, People's Republic of China
| | - Chenchen Ge
- College of Health Science and Environmental Engineering, Shenzhen Technology University, Shenzhen, Guangdong, People's Republic of China
| | - Weixi Li
- College of Health Science and Environmental Engineering, Shenzhen Technology University, Shenzhen, Guangdong, People's Republic of China
| | - Rongsong Li
- College of Health Science and Environmental Engineering, Shenzhen Technology University, Shenzhen, Guangdong, People's Republic of China.
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Ontawong A, Pasachan T, Trisuwan K, Soodvilai S, Duangjai A, Pongchaidecha A, Amornlerdpison D, Srimaroeng C. Coffea arabica pulp aqueous extract attenuates oxidative stress and hepatic lipid accumulation in HepG2 cells. J Herb Med 2021. [DOI: 10.1016/j.hermed.2021.100465] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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8
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Bio-funcional components in mushrooms, a health opportunity: Ergothionine and huitlacohe as recent trends. J Funct Foods 2021. [DOI: 10.1016/j.jff.2020.104326] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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Sayed HM, Said MM, Morcos NYS, El Gawish MA, Ismail AFM. Antitumor and Radiosensitizing Effects of Zinc Oxide-Caffeic Acid Nanoparticles against Solid Ehrlich Carcinoma in Female Mice. Integr Cancer Ther 2021; 20:15347354211021920. [PMID: 34105411 PMCID: PMC8193661 DOI: 10.1177/15347354211021920] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 04/19/2021] [Accepted: 05/14/2021] [Indexed: 12/24/2022] Open
Abstract
This study aimed to evaluate the anticancer and radio-sensitizing efficacy of Zinc Oxide-Caffeic Acid Nanoparticles (ZnO-CA NPs). ZnO-CA NPs were formulated by the conjugation of Zinc Oxide nanoparticles (ZnO NPs) with caffeic acid (CA) that were characterized by Fourier Transform Infrared Spectra (FT-IR), X-ray Diffractometer (XRD), and Transmission Electron Microscopy (TEM). In vitro anticancer potential of ZnO-CA NPs was evaluated by assessing cell viability in the human breast (MCF-7) and hepatocellular (HepG2) carcinoma cell lines. In vivo anticancer and radio-sensitizing effects of ZnO-CA NPs in solid Ehrlich carcinoma-bearing mice (EC mice) were also assessed. Treatment of EC mice with ZnO-CA NPs resulted in a considerable decline in tumor size and weight, down-regulation of B-cell lymphoma 2 (BCL2) and nuclear factor kappa B (NF-κB) gene expressions, decreased vascular cell adhesion molecule 1 (VCAM-1) level, downregulation of phosphorylated-extracellular-regulated kinase 1 and 2 (p-ERK1/2) protein expression, DNA fragmentation and a recognizable peak at sub-G0/G1 indicating dead cells' population in cancer tissues. Combined treatment of ZnO-CA NPs with γ-irradiation improved these effects. In conclusion: ZnO-CA NPs exhibit in-vitro as well as in-vivo antitumor activity, which is augmented by exposure of mice to γ-irradiation. Further explorations are warranted previous to clinical application of ZnO-CA NPs.
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Affiliation(s)
- Hayam M. Sayed
- Radiation Biology Department, National
Center for Radiation Research and Technology, Egyptian Atomic Energy Authority,
Cairo, Egypt
| | - Mahmoud M. Said
- Biochemistry Department, Faculty of
Science, Ain Shams University, Cairo, Egypt
| | - Nadia Y. S. Morcos
- Biochemistry Department, Faculty of
Science, Ain Shams University, Cairo, Egypt
| | - Mona A. El Gawish
- Radiation Biology Department, National
Center for Radiation Research and Technology, Egyptian Atomic Energy Authority,
Cairo, Egypt
| | - Amel F. M. Ismail
- Drug Radiation Research Department,
National Center for Radiation Research and Technology, Egyptian Atomic Energy
Authority, Cairo, Egypt
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10
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Islam SU, Ahmed MB, Ahsan H, Islam M, Shehzad A, Sonn JK, Lee YS. An Update on the Role of Dietary Phytochemicals in Human Skin Cancer: New Insights into Molecular Mechanisms. Antioxidants (Basel) 2020; 9:E916. [PMID: 32993035 PMCID: PMC7600476 DOI: 10.3390/antiox9100916] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/21/2020] [Accepted: 09/24/2020] [Indexed: 12/24/2022] Open
Abstract
Human skin is continuously subjected to environmental stresses, as well as extrinsic and intrinsic noxious agents. Although skin adopts various molecular mechanisms to maintain homeostasis, excessive and repeated stresses can overwhelm these systems, leading to serious cutaneous damage, including both melanoma and non-melanoma skin cancers. Phytochemicals present in the diet possess the desirable effects of protecting the skin from damaging free radicals as well as other benefits. Dietary phytochemicals appear to be effective in preventing skin cancer and are inexpensive, widely available, and well tolerated. Multiple in vitro and in vivo studies have demonstrated the significant anti-inflammatory, antioxidant, and anti-angiogenic characteristics of dietary phytochemicals against skin malignancy. Moreover, dietary phytochemicals affect multiple important cellular processes including cell cycle, angiogenesis, and metastasis to control skin cancer progression. Herein, we discuss the advantages of key dietary phytochemicals in whole fruits and vegetables, their bioavailability, and underlying molecular mechanisms for preventing skin cancer. Current challenges and future prospects for research are also reviewed. To date, most of the chemoprevention investigations have been conducted preclinically, and additional clinical trials are required to conform and validate the preclinical results in humans.
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Affiliation(s)
- Salman Ul Islam
- School of Life Sciences, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea; (S.U.I.); (M.B.A.); (H.A.); (J.K.S.)
| | - Muhammad Bilal Ahmed
- School of Life Sciences, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea; (S.U.I.); (M.B.A.); (H.A.); (J.K.S.)
| | - Haseeb Ahsan
- School of Life Sciences, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea; (S.U.I.); (M.B.A.); (H.A.); (J.K.S.)
- Department of Pharmacy, Faculty of Life and Environmental Sciences, University of Peshawar, Peshawar 25120, Pakistan
| | - Mazharul Islam
- Department of Chemical Engineering, College of Engineering, Dhofar University, Salalah 2509, Oman;
| | - Adeeb Shehzad
- Department of Clinical Pharmacy, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia;
| | - Jong Kyung Sonn
- School of Life Sciences, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea; (S.U.I.); (M.B.A.); (H.A.); (J.K.S.)
| | - Young Sup Lee
- School of Life Sciences, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea; (S.U.I.); (M.B.A.); (H.A.); (J.K.S.)
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11
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Phenolic Compounds Exerting Lipid-Regulatory, Anti-Inflammatory and Epigenetic Effects as Complementary Treatments in Cardiovascular Diseases. Biomolecules 2020; 10:biom10040641. [PMID: 32326376 PMCID: PMC7226566 DOI: 10.3390/biom10040641] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/16/2020] [Accepted: 04/17/2020] [Indexed: 12/14/2022] Open
Abstract
Atherosclerosis is the main process behind cardiovascular diseases (CVD), maladies which continue to be responsible for up to 70% of death worldwide. Despite the ongoing development of new and potent drugs, their incomplete efficacy, partial intolerance and numerous side effects make the search for new alternatives worthwhile. The focus of the scientific world turned to the potential of natural active compounds to prevent and treat CVD. Essential for effective prevention or treatment based on phytochemicals is to know their mechanisms of action according to their bioavailability and dosage. The present review is focused on the latest data about phenolic compounds and aims to collect and correlate the reliable existing knowledge concerning their molecular mechanisms of action to counteract important risk factors that contribute to the initiation and development of atherosclerosis: dyslipidemia, and oxidative and inflammatory-stress. The selection of phenolic compounds was made to prove their multiple benefic effects and endorse them as CVD remedies, complementary to allopathic drugs. The review also highlights some aspects that still need clear scientific explanations and draws up some new molecular approaches to validate phenolic compounds for CVD complementary therapy in the near future.
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Srisook K, Potiprasart K, Sarapusit S, Park CS, Srisook E. Etlingera pavieana extract attenuates TNF-α induced vascular adhesion molecule expression in human endothelial cells through NF-κB and Akt/JNK pathways. Inflammopharmacology 2019; 28:1649-1662. [PMID: 31832850 DOI: 10.1007/s10787-019-00676-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 11/25/2019] [Indexed: 11/30/2022]
Abstract
The aim of this study was to determine whether ethanol extracts of Etlingera pavieana rhizomes (EPE) can inhibit the expression of ICAM-1 and VCAM-1 in TNF-α-stimulated human vascular endothelial cells. EPE significantly reduced ICAM-1 and VCAM-1 expression in a concentration-dependent manner. EPE also suppressed phospho-IκB level and nuclear translocation of NF-κB. EPE significantly inhibited phosphorylation of JNK and c-Jun, a major component of AP-1, but had no effects on ERK and p38 MAPK pathways. Akt phosphorylation was increased in the presence of EPE, and wortmannin and SP600125 reversed the inhibitory effects of EPE on ICAM-1 and VCAM-1 expression. Furthermore, the active EPE constituents 4-methoxycinnamyl p-coumarate and trans-4-methoxycinnamaldehyde attenuated TNF-α-induced expression of ICAM-1 and VCAM-1. Taken together, our data indicate that EPE protects against vascular inflammation in endothelial cells, in part via NF-κB and Akt/JNK signalings. In future studies, E. pavieana may be developed as a therapeutic agent or dietary supplement for treating and preventing inflammatory diseases.
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Affiliation(s)
- Klaokwan Srisook
- Department of Biochemistry and Research Unit of Natural Bioactive Compounds for Healthcare Products Development, Faculty of Science, Burapha University, Chonburi, 20131, Thailand. .,Center of Excellence for Innovation in Chemistry, Faculty of Science, Burapha University, Chonburi, Thailand.
| | - Kamonporn Potiprasart
- Department of Biochemistry and Research Unit of Natural Bioactive Compounds for Healthcare Products Development, Faculty of Science, Burapha University, Chonburi, 20131, Thailand
| | - Songklod Sarapusit
- Department of Biochemistry and Research Unit of Natural Bioactive Compounds for Healthcare Products Development, Faculty of Science, Burapha University, Chonburi, 20131, Thailand.,Center of Excellence for Innovation in Chemistry, Faculty of Science, Burapha University, Chonburi, Thailand
| | - Chang-Shin Park
- Department of Pharmacology, Hypoxia-Related Disease Research Center, College of Medicine, Inha Research Institute for Medical Sciences, Inha University, Incheon, 22212, Republic of Korea
| | - Ekaruth Srisook
- Center of Excellence for Innovation in Chemistry, Faculty of Science, Burapha University, Chonburi, Thailand.,Department of Chemistry and Research Unit of Natural Bioactive Compounds for Healthcare Products Development, Faculty of Science, Burapha University, Chonburi, Thailand
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Effects of Enteric Environmental Modification by Coffee Components on Neurodegeneration in Rotenone-Treated Mice. Cells 2019; 8:cells8030221. [PMID: 30866481 PMCID: PMC6468520 DOI: 10.3390/cells8030221] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 02/25/2019] [Accepted: 03/05/2019] [Indexed: 12/21/2022] Open
Abstract
Epidemiological studies have shown that coffee consumption decreases the risk of Parkinson's disease (PD). Caffeic acid (CA) and chlorogenic acid (CGA) are coffee components that have antioxidative properties. Rotenone, a mitochondrial complex I inhibitor, has been used to develop parkinsonian models, because the toxin induces PD-like pathology. Here, we examined the neuroprotective effects of CA and CGA against the rotenone-induced degeneration of central dopaminergic and peripheral enteric neurons. Male C57BL/6J mice were chronically administered rotenone (2.5 mg/kg/day), subcutaneously for four weeks. The animals were orally administered CA or CGA daily for 1 week before rotenone exposure and during the four weeks of rotenone treatment. Administrations of CA or CGA prevented rotenone-induced neurodegeneration of both nigral dopaminergic and intestinal enteric neurons. CA and CGA upregulated the antioxidative molecules, metallothionein (MT)-1,2, in striatal astrocytes of rotenone-injected mice. Primary cultured mesencephalic or enteric cells were pretreated with CA or CGA for 24 h, and then further co-treated with a low dose of rotenone (1⁻5 nM) for 48 h. The neuroprotective effects and MT upregulation induced by CA and CGA in vivo were reproduced in cultured cells. Our data indicated that intake of coffee components, CA and CGA, enhanced the antioxidative properties of glial cells and prevents rotenone-induced neurodegeneration in both the brain and myenteric plexus.
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14
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Iqbal J, Abbasi BA, Ahmad R, Batool R, Mahmood T, Ali B, Khalil AT, Kanwal S, Afzal Shah S, Alam MM, Bashir S, Badshah H, Munir A. Potential phytochemicals in the fight against skin cancer: Current landscape and future perspectives. Biomed Pharmacother 2019; 109:1381-1393. [DOI: 10.1016/j.biopha.2018.10.107] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 10/12/2018] [Accepted: 10/20/2018] [Indexed: 02/06/2023] Open
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15
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Huang X, Xi Y, Pan Q, Mao Z, Zhang R, Ma X, You H. Caffeic acid protects against IL-1β-induced inflammatory responses and cartilage degradation in articular chondrocytes. Biomed Pharmacother 2018; 107:433-439. [DOI: 10.1016/j.biopha.2018.07.161] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 07/14/2018] [Accepted: 07/31/2018] [Indexed: 11/16/2022] Open
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16
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Zhao Z, Zhang H, Wang M, Zhang C, Kuang P, Zhou Z, Zhang G, Wang Z, Zhang B, Shi X. The ethanol extract of honeysuckle stem modulates the innate immunity of Chinese mitten crab Eriocheir sinensis against Aeromonas hydrophila. FISH & SHELLFISH IMMUNOLOGY 2018; 82:304-311. [PMID: 30125699 DOI: 10.1016/j.fsi.2018.08.035] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 08/08/2018] [Accepted: 08/14/2018] [Indexed: 06/08/2023]
Abstract
Honeysuckle stem had been used as feed additives to modulate immunity in breeding industry, which was limited in the aquaculture field. In this study, the immunomodulation of honeysuckle stem ethanol extract (designed as HSE) on Chinese mitten crab Eriocheir sinensis was detected. The crabs fed with HSE diets for 30 days had higher level of the total haemocyte count (HTC), lysozyme activity and PO activity (P < 0.05), and had no obvious affect on the phagocytic activity, NO and TNF-α level. When challenged with Aeromonas hydrophila (1.0 × 107 colony-forming units), HSE exhibited weak antibacterial activity against A. hydrophila and increased survival rate of crabs. The decreasing of THC and the increasing of TNF-α concentration, EsCaspase and EsLITAF mRNA expression level were all inhibited significantly by HSE treatment (P < 0.05), when the crabs were challenged by A. hydrophila. Moreover, the following immune parameters of crabs were enhanced by HSE treatment after A. hydrophila infection, including the rising of phagocytosis index and phagocytic rate of haemocyte, the rising of lysozyme, PO, NOS activities and nitric oxide concentration (P < 0.05). Therefore, it was concluded that HSE had great potential to develop into feed additive of crabs, which could enhance the innate immunity of Chinese mitten crabs E. sinensis effectively after A. hydrophila infection.
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Affiliation(s)
- Zhilong Zhao
- College of Pharmacy, Linyi University, Linyi, 276000, Shandong, China
| | - Haijuan Zhang
- College of Pharmacy, Linyi University, Linyi, 276000, Shandong, China
| | - Mengqiang Wang
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
| | - Chun Zhang
- College of Pharmacy, Linyi University, Linyi, 276000, Shandong, China
| | - Pengqun Kuang
- College of Pharmacy, Linyi University, Linyi, 276000, Shandong, China
| | - Zhi Zhou
- Key Laboratory of Tropical Biological Resources of Ministry of Education, Hainan University, Haikou, 570228, China
| | - Guizhi Zhang
- College of Pharmacy, Linyi University, Linyi, 276000, Shandong, China
| | - Zhen Wang
- College of Pharmacy, Linyi University, Linyi, 276000, Shandong, China.
| | - Bianbian Zhang
- College of Pharmacy, Linyi University, Linyi, 276000, Shandong, China
| | - Xiaowei Shi
- College of Pharmacy, Linyi University, Linyi, 276000, Shandong, China.
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Fang J, Cai C, Chai Y, Zhou J, Huang Y, Gao L, Wang Q, Cheng F. Quantitative and systems pharmacology 4. Network-based analysis of drug pleiotropy on coronary artery disease. Eur J Med Chem 2018; 161:192-204. [PMID: 30359818 DOI: 10.1016/j.ejmech.2018.10.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 09/26/2018] [Accepted: 10/09/2018] [Indexed: 12/14/2022]
Abstract
Despite recent advance of therapeutic development, coronary artery disease (CAD) remains one of the major issues to public health. The use of genomics and systems biology approaches to inform drug discovery and development have offered the possibilities for new target identification and in silico drug repurposing. In this study, we propose a network-based, systems pharmacology framework for target identification and drug repurposing in pharmacologic treatment and chemoprevention of CAD. Specifically, we build in silico models by integrating known drug-target interactions, CAD genes derived from the genetic and genomic studies, and the human protein-protein interactome. We demonstrate that the proposed in silico models can successfully uncover approved drugs and novel natural products in potentially treating and preventing CAD. In case studies, we highlight several approved drugs (e.g., fasudil, parecoxib, and dexamethasone) or natural products (e.g., resveratrol, luteolin, daidzein and caffeic acid) with new mechanism-of-action in chemical intervention of CAD by network analysis. In summary, this study offers a powerful systems pharmacology approach for target identification and in silico drug repurposing on CAD.
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Affiliation(s)
- Jiansong Fang
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Chuipu Cai
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Yanting Chai
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Jingwei Zhou
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Yujie Huang
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Li Gao
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China
| | - Qi Wang
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Feixiong Cheng
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44106, USA; Department of Molecular Medicine, Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH 44195, USA; CASE Comprehensive Cancer Center, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA.
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Brautigan DL, Gielata M, Heo J, Kubicka E, Wilkins LR. Selective toxicity of caffeic acid in hepatocellular carcinoma cells. Biochem Biophys Res Commun 2018; 505:612-617. [DOI: 10.1016/j.bbrc.2018.09.155] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 09/24/2018] [Indexed: 01/14/2023]
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Gad AM. Study on the influence of caffeic acid against sodium valproate-induced nephrotoxicity in rats. J Biochem Mol Toxicol 2018; 32:e22175. [PMID: 29968957 DOI: 10.1002/jbt.22175] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 05/22/2018] [Accepted: 06/15/2018] [Indexed: 02/05/2023]
Affiliation(s)
- Amany M. Gad
- Department of Pharmacology, National Organization for Drug Control and Research; Cairo, Egypt
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Liu JQ, Lian CL, Hu TY, Wang CF, Xu Y, Xiao L, Liu ZQ, Qiu SQ, Cheng BH. Two new farnesyl phenolic compounds with anti-inflammatory activities from Ganoderma duripora. Food Chem 2018; 263:155-162. [PMID: 29784301 DOI: 10.1016/j.foodchem.2018.04.097] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 03/20/2018] [Accepted: 04/23/2018] [Indexed: 12/30/2022]
Abstract
Ganoderma fungi have long been used as a famous traditional medicine and food in country of East Asia. In this work, two new farnesyl phenolic compounds, ganoduriporols A and B (1 and 2), were isolated from the fruiting bodies of Ganoderma duripora, and their structures were elucidated using various spectroscopic methods. Anti-inflammatory activities were assayed and evaluated for the two compounds. Ganoduriporols A and B exhibited dose-dependent anti-inflammatory effects in RAW 264.7 cells. Furthermore, ganoduriporol A was demonstrated to inhibit the production of tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6) and prostaglandin E2 (PGE2) through the suppression of COX-2, MAPK and NF-κB signaling pathway in LPS-induced macrophage cells. These results suggested that these two new farnesyl phenolic compounds and the fruiting body of G. duripora could serve as anti-inflammatory agents for medicinal use or functional food.
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Affiliation(s)
- Jie-Qing Liu
- School of Biomedical Sciences, Huaqiao University, Quanzhou 362021, China; Engineering Research Center of Molecular Medicine, Xiamen 361021, China.
| | - Chen-Lei Lian
- School of Biomedical Sciences, Huaqiao University, Quanzhou 362021, China
| | - Tian-Yong Hu
- Shenzhen Key Laboratory of ENT, Institute of ENT & Longgang ENT Hospital, Shenzhen 518172, China
| | - Cui-Fang Wang
- College of Oceanology and Food Science, Quanzhou Normal University, Quanzhou 362000, China
| | - Ying Xu
- School of Biomedical Sciences, Huaqiao University, Quanzhou 362021, China
| | - Lei Xiao
- School of Biomedical Sciences, Huaqiao University, Quanzhou 362021, China
| | - Zhi-Qiang Liu
- Shenzhen Key Laboratory of ENT, Institute of ENT & Longgang ENT Hospital, Shenzhen 518172, China
| | - Shu-Qi Qiu
- Shenzhen Key Laboratory of ENT, Institute of ENT & Longgang ENT Hospital, Shenzhen 518172, China
| | - Bao-Hui Cheng
- Shenzhen Key Laboratory of ENT, Institute of ENT & Longgang ENT Hospital, Shenzhen 518172, China.
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Phytochemicals in Skin Cancer Prevention and Treatment: An Updated Review. Int J Mol Sci 2018; 19:ijms19040941. [PMID: 29565284 PMCID: PMC5979545 DOI: 10.3390/ijms19040941] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 03/12/2018] [Accepted: 03/20/2018] [Indexed: 01/16/2023] Open
Abstract
Skin is the largest human organ, our protection against various environmental assaults and noxious agents. Accumulation of these stress events may lead to the formation of skin cancers, including both melanoma and non-melanoma skin cancers. Although modern targeted therapies have ameliorated the management of cutaneous malignancies, a safer, more affordable, and more effective strategy for chemoprevention and treatment is clearly needed for the improvement of skin cancer care. Phytochemicals are biologically active compounds derived from plants and herbal products. These agents appear to be beneficial in the battle against cancer as they exert anti-carcinogenic effects and are widely available, highly tolerated, and cost-effective. Evidence has indicated that the anti-carcinogenic properties of phytochemicals are due to their anti-oxidative, anti-inflammatory, anti-proliferative, and anti-angiogenic effects. In this review, we discuss the preventive potential, therapeutic effects, bioavailability, and structure–activity relationship of these selected phytochemicals for the management of skin cancers. The knowledge compiled here will provide clues for future investigations on novel oncostatic phytochemicals and additional anti-skin cancer mechanisms.
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Chemical and Bioactive Profiling of Wild Edible Mushrooms. Fungal Biol 2018. [DOI: 10.1007/978-3-030-02622-6_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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23
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Jeon D, Kim SJ, Kim HS. Anti-inflammatory evaluation of the methanolic extract of Taraxacum officinale in LPS-stimulated human umbilical vein endothelial cells. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 17:508. [PMID: 29187173 PMCID: PMC5707789 DOI: 10.1186/s12906-017-2022-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Accepted: 11/20/2017] [Indexed: 12/27/2022]
Abstract
Background Atherosclerosis is a chronic vascular inflammatory disease. Since even low-level endotoxemia constitutes a powerful and independent risk factor for the development of atherosclerosis, it is important to find therapies directed against the vascular effects of endotoxin to prevent atherosclerosis. Taraxacum officinale (TO) is used for medicinal purposes because of its choleretic, diuretic, antioxidative, anti-inflammatory, and anti-carcinogenic properties, but its anti-inflammatory effect on endothelial cells has not been established. Methods We evaluated the anti-inflammatory activity of TO filtered methanol extracts in LPS-stimulated human umbilical vein endothelial cells (HUVECs) by monocyte adhesion and western blot assays. HUVECs were pretreated with 100 μg/ml TO for 1 h and then incubated with 1 μg/ml LPS for 24 h. The mRNA and protein expression levels of the targets (pro-inflammatory cytokines and adhesion molecules) were analyzed by real-time PCR and western blot assays. We also preformed HPLC analysis to identify the components of the TO methanol extract. Results The TO filtered methanol extracts dramatically inhibited LPS-induced endothelial cell–monocyte interactions by reducing vascular cell adhesion molecule-1 and monocyte chemoattractant protein-1, and pro-inflammatory cytokine expression. TO suppressed the LPS-induced nuclear translocation of NF-κB, whereas it did not affect MAPK activation. Conclusions Our findings demonstrated that methanol extracts of TO could attenuate LPS-induced endothelial cell activation by inhibiting the NF-κB pathway. These results indicate the potential clinical benefits and applications of TO for the prevention of vascular inflammation and atherosclerosis. Electronic supplementary material The online version of this article (10.1186/s12906-017-2022-7) contains supplementary material, which is available to authorized users.
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Jiang C, Zhu J, Liu Y, Luan X, Jiang Y, Jiang G, Fan J. The methylation state of VDR gene in pulmonary tuberculosis patients. J Thorac Dis 2017; 9:4353-4357. [PMID: 29268504 DOI: 10.21037/jtd.2017.09.107] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Background Our previous study suggested that the methylation of vitamin D receptor (VDR) gene affected its expression and the defense against tuberculosis (TB) infection in vitro. In this study, we further investigated the methylation level of VDR gene in pulmonary TB patients. Methods The consecutive TB patients who were admitted into our department from January 2013 to January 2015 were recruited. The potential methylation sites analyzed in this study included 16 CpG sites. The amplification of bisulfite modified genomic DNA was ligated to pUC18-T vector and the positive clone of blue-white selection was sequenced to analyze the methylation state of VDR gene. Results This study had samples of 27 TB patients and 30 healthy controls. TB patients were in the hyper-methylation state compared to the healthy controls. The significant differences between TB patients and healthy controls were detected in 7 of these 16 CpG sites. The mRNA expression of AKT, GSK3βand FOXO1 decreased in TB patients compared to that of healthy controls. Conclusions Our study contributes to supplying more evidences that the methylation level of VDR gene affects the progression of TB.
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Affiliation(s)
- Chao Jiang
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital Affiliated Tongji University, Shanghai 200433, China
| | - Junjie Zhu
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital Affiliated Tongji University, Shanghai 200433, China
| | - Yuxiao Liu
- Shandong Energy Zibo Mining Group Co., LTD Central Hospital, Zibo 255120, China
| | - Xidi Luan
- Shandong Energy Zibo Mining Group Co., LTD Central Hospital, Zibo 255120, China
| | - Yan Jiang
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital Affiliated Tongji University, Shanghai 200433, China
| | - Gening Jiang
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital Affiliated Tongji University, Shanghai 200433, China
| | - Jiang Fan
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital Affiliated Tongji University, Shanghai 200433, China
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Iqbal F, Baker WS, Khan MI, Thukuntla S, McKinney KH, Abate N, Tuvdendorj D. Current and future therapies for addressing the effects of inflammation on HDL cholesterol metabolism. Br J Pharmacol 2017; 174:3986-4006. [PMID: 28326542 PMCID: PMC5660004 DOI: 10.1111/bph.13743] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 01/16/2017] [Accepted: 02/02/2017] [Indexed: 12/11/2022] Open
Abstract
Cardiovascular disease (CVD) is a major cause of morbidity and mortality worldwide. Inflammatory processes arising from metabolic abnormalities are known to precipitate the development of CVD. Several metabolic and inflammatory markers have been proposed for predicting the progression of CVD, including high density lipoprotein cholesterol (HDL-C). For ~50 years, HDL-C has been considered as the atheroprotective 'good' cholesterol because of its strong inverse association with the progression of CVD. Thus, interventions to increase the concentration of HDL-C have been successfully tested in animals; however, clinical trials were unable to confirm the cardiovascular benefits of pharmaceutical interventions aimed at increasing HDL-C levels. Based on these data, the significance of HDL-C in the prevention of CVD has been called into question. Fundamental in vitro and animal studies suggest that HDL-C functionality, rather than HDL-C concentration, is important for the CVD-preventive qualities of HDL-C. Our current review of the literature positively demonstrates the negative impact of systemic and tissue (i.e. adipose tissue) inflammation in the healthy metabolism and function of HDL-C. Our survey indicates that HDL-C may be a good marker of adipose tissue health, independently of its atheroprotective associations. We summarize the current findings on the use of anti-inflammatory drugs to either prevent HDL-C clearance or improve the function and production of HDL-C particles. It is evident that the therapeutic agents currently available may not provide the optimal strategy for altering HDL-C metabolism and function, and thus, further research is required to supplement this mechanistic approach for preventing the progression of CVD. LINKED ARTICLES This article is part of a themed section on Targeting Inflammation to Reduce Cardiovascular Disease Risk. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.22/issuetoc and http://onlinelibrary.wiley.com/doi/10.1111/bcp.v82.4/issuetoc.
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Affiliation(s)
- Fatima Iqbal
- Division of Endocrinology, Department of Internal MedicineUniversity of Texas Medical BranchGalvestonTXUSA
| | - Wendy S Baker
- Division of Endocrinology, Department of Internal MedicineUniversity of Texas Medical BranchGalvestonTXUSA
| | - Madiha I Khan
- Division of Endocrinology, Department of Internal MedicineUniversity of Texas Medical BranchGalvestonTXUSA
| | - Shwetha Thukuntla
- Division of Endocrinology, Department of Internal MedicineUniversity of Texas Medical BranchGalvestonTXUSA
| | - Kevin H McKinney
- Division of Endocrinology, Department of Internal MedicineUniversity of Texas Medical BranchGalvestonTXUSA
| | - Nicola Abate
- Division of Endocrinology, Department of Internal MedicineUniversity of Texas Medical BranchGalvestonTXUSA
| | - Demidmaa Tuvdendorj
- Division of Endocrinology, Department of Internal MedicineUniversity of Texas Medical BranchGalvestonTXUSA
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Muszyńska B, Grzywacz-Kisielewska A, Kała K, Gdula-Argasińska J. Anti-inflammatory properties of edible mushrooms: A review. Food Chem 2017; 243:373-381. [PMID: 29146352 DOI: 10.1016/j.foodchem.2017.09.149] [Citation(s) in RCA: 188] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 09/08/2017] [Accepted: 09/28/2017] [Indexed: 10/18/2022]
Abstract
Mushrooms have been used extensively, owing to their nutritional and medicinal value, for thousands of years. Modern research confirms the therapeutic effect of traditionally used species. Inflammation is a natural response of the immune system to damaging factors, e.g. physical, chemical and pathogenic. Deficiencies of antioxidants, vitamins, and microelements, as well as physiological processes, such as aging, can affect the body's ability to resolve inflammation. Mushrooms are rich in anti-inflammatory components, such as polysaccharides, phenolic and indolic compounds, mycosteroids, fatty acids, carotenoids, vitamins, and biometals. Metabolites from mushrooms of the Basidiomycota taxon possess antioxidant, anticancer, and most significantly, anti-inflammatory properties. Recent reports indicate that edible mushroom extracts exhibit favourable therapeutic and health-promoting benefits, particularly in relation to diseases associated with inflammation. In all certainty, edible mushrooms can be referred to as a "superfood" and are recommended as a valuable constituent of the daily diet.
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Affiliation(s)
- Bożena Muszyńska
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland.
| | - Agata Grzywacz-Kisielewska
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Katarzyna Kała
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Joanna Gdula-Argasińska
- Department of Radioligands, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
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Levy-Ontman O, Huleihel M, Hamias R, Wolak T, Paran E. An anti-inflammatory effect of red microalga polysaccharides in coronary artery endothelial cells. Atherosclerosis 2017; 264:11-18. [DOI: 10.1016/j.atherosclerosis.2017.07.017] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 06/28/2017] [Accepted: 07/14/2017] [Indexed: 01/25/2023]
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Wang W, Sun W, Jin L. Caffeic acid alleviates inflammatory response in rheumatoid arthritis fibroblast-like synoviocytes by inhibiting phosphorylation of IκB kinase α/β and IκBα. Int Immunopharmacol 2017; 48:61-66. [DOI: 10.1016/j.intimp.2017.04.025] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Revised: 04/16/2017] [Accepted: 04/18/2017] [Indexed: 12/12/2022]
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Miranda AM, Steluti J, Fisberg RM, Marchioni DM. Association between Coffee Consumption and Its Polyphenols with Cardiovascular Risk Factors: A Population-Based Study. Nutrients 2017; 9:nu9030276. [PMID: 28335422 PMCID: PMC5372939 DOI: 10.3390/nu9030276] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 03/09/2017] [Accepted: 03/10/2017] [Indexed: 01/08/2023] Open
Abstract
Epidemiological studies have examined the effect of coffee intake on cardiovascular disease, but the benefits and risks for the cardiovascular system remain controversial. Our objective was to evaluate the association between coffee consumption and its polyphenols on cardiovascular risk factors. Data came from the “Health Survey of São Paulo (ISA-Capital)” among 557 individuals, in São Paulo, Brazil. Diet was assessed by two 24-h dietary recalls. Coffee consumption was categorized into <1, 1–3, and ≥3 cups/day. Polyphenol intake was calculated by matching food consumption data with the Phenol-Explorer database. Multiple logistic regression models were used to assess the associations between cardiovascular risk factors (blood pressure, total cholesterol, low-density lipoprotein cholesterol (LDL-c), high-density lipoprotein cholesterol (HDL-c), triglycerides, fasting glucose, and homocysteine) and usual coffee intake. The odds were lower among individuals who drank 1–3 cups of coffee/day to elevated systolic blood pressure (SBP) (Odds Ratio (OR) = 0.45; 95% Confidence Interval (95% CI): 0.26, 0.78), elevated diastolic blood pressure (DBP) (OR = 0.44; 95% CI: 0.20, 0.98), and hyperhomocysteinemia (OR = 0.32; 95% CI: 0.11, 0.93). Furthermore, significant inverse associations were also observed between moderate intake of coffee polyphenols and elevated SBP (OR = 0.46; 95% CI: 0.24, 0.87), elevated DBP (OR = 0.51; 95% CI: 0.26, 0.98), and hyperhomocysteinemia (OR = 0.29; 95% CI: 0.11, 0.78). In conclusion, coffee intake of 1–3 cups/day and its polyphenols were associated with lower odds of elevated SBP, DBP, and hyperhomocysteinemia. Thus, the moderate consumption of coffee, a polyphenol-rich beverage, could exert a protective effect against some cardiovascular risk factors.
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Affiliation(s)
- Andreia Machado Miranda
- Department of Nutrition, School of Public Health, University of São Paulo, São Paulo 01246-904, Brazil.
| | - Josiane Steluti
- Department of Nutrition, School of Public Health, University of São Paulo, São Paulo 01246-904, Brazil.
| | - Regina Mara Fisberg
- Department of Nutrition, School of Public Health, University of São Paulo, São Paulo 01246-904, Brazil.
| | - Dirce Maria Marchioni
- Department of Nutrition, School of Public Health, University of São Paulo, São Paulo 01246-904, Brazil.
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Protection of Chinese olive fruit extract and its fractions against advanced glycation endproduct-induced oxidative stress and pro-inflammatory factors in cultured vascular endothelial and human monocytic cells. J Funct Foods 2016. [DOI: 10.1016/j.jff.2016.10.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Haarberg KMK, Wymore Brand MJ, Overstreet AMC, Hauck CC, Murphy PA, Hostetter JM, Ramer-Tait AE, Wannemuehler MJ. Orally administered extract from Prunella vulgaris attenuates spontaneous colitis in mdr1a -/- mice. World J Gastrointest Pharmacol Ther 2015; 6:223-237. [PMID: 26558156 PMCID: PMC4635162 DOI: 10.4292/wjgpt.v6.i4.223] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 08/17/2015] [Accepted: 09/30/2015] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the ability of a Prunella vulgaris (P. vulgaris) ethanolic extract to attenuate spontaneous typhlocolitis in mdr1a-/- mice.
METHODS: Vehicle (5% ethanol) or P. vulgaris ethanolic extract (2.4 mg/d) were administered daily by oral gavage to mdr1a-/- or wild type FVBWT mice from 6 wk of age up to 20 wk of age. Clinical signs of disease were noted by monitoring weight loss. Mice experiencing weight loss in excess of 15% were removed from the study. At the time mice were removed from the study, blood and colon tissue were collected for analyses that included histological evaluation of lesions, inflammatory cytokine levels, and myeloperoxidase activity.
RESULTS: Administration of P. vulgaris extracts to mdr1a-/- mice delayed onset of colitis and reduced severity of mucosal inflammation when compared to vehicle-treated mdr1a-/- mice. Oral administration of the P. vulgaris extract resulted in reduced (P < 0.05) serum levels of IL-10 (4.6 ± 2 vs 19.4 ± 4), CXCL9 (1319.0 ± 277 vs 3901.0 ± 858), and TNFα (9.9 ± 3 vs 14.8 ± 1) as well as reduced gene expression by more than two-fold for Ccl2, Ccl20, Cxcl1, Cxcl9, IL-1α, Mmp10, VCAM-1, ICAM, IL-2, and TNFα in the colonic mucosa of mdr1a-/- mice compared to vehicle-treated mdr1a-/- mice. Histologically, several microscopic parameters were reduced (P < 0.05) in P. vulgaris-treated mdr1a-/- mice, as was myeloperoxidase activity in the colon (2.49 ± 0.16 vs 3.36 ± 0.06, P < 0.05). The numbers of CD4+ T cells (2031.9 ± 412.1 vs 5054.5 ± 809.5) and germinal center B cells (2749.6 ± 473.7 vs 4934.0 ± 645.9) observed in the cecal tonsils of P. vulgaris-treated mdr1a-/- were significantly reduced (P < 0.05) from vehicle-treated mdr1a-/- mice. Vehicle-treated mdr1a-/- mice were found to produce serum antibodies to antigens derived from members of the intestinal microbiota, indicative of severe colitis and a loss of adaptive tolerance to the members of the microbiota. These serum antibodies were greatly reduced or absent in P. vulgaris-treated mdr1a-/- mice.
CONCLUSION: The anti-inflammatory activity of P. vulgaris ethanolic extract effectively attenuated the severity of intestinal inflammation in mdr1a-/- mice.
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Loftfield E, Shiels MS, Graubard BI, Katki HA, Chaturvedi AK, Trabert B, Pinto LA, Kemp TJ, Shebl FM, Mayne ST, Wentzensen N, Purdue MP, Hildesheim A, Sinha R, Freedman ND. Associations of Coffee Drinking with Systemic Immune and Inflammatory Markers. Cancer Epidemiol Biomarkers Prev 2015; 24:1052-60. [PMID: 25999212 DOI: 10.1158/1055-9965.epi-15-0038-t] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Accepted: 04/28/2015] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Coffee drinking has been inversely associated with mortality as well as cancers of the endometrium, colon, skin, prostate, and liver. Improved insulin sensitivity and reduced inflammation are among the hypothesized mechanisms by which coffee drinking may affect cancer risk; however, associations between coffee drinking and systemic levels of immune and inflammatory markers have not been well characterized. METHODS We used Luminex bead-based assays to measure serum levels of 77 immune and inflammatory markers in 1,728 older non-Hispanic Whites. Usual coffee intake was self-reported using a food frequency questionnaire. We used weighted multivariable logistic regression models to examine associations between coffee and dichotomized marker levels. We conducted statistical trend tests by modeling the median value of each coffee category and applied a 20% false discovery rate criterion to P values. RESULTS Ten of the 77 markers were nominally associated (P trend < 0.05) with coffee drinking. Five markers withstood correction for multiple comparisons and included aspects of the host response namely chemotaxis of monocytes/macrophages (IFNγ, CX3CL1/fractalkine, CCL4/MIP-1β), proinflammatory cytokines (sTNFRII), and regulators of cell growth (FGF-2). Heavy coffee drinkers had lower circulating levels of IFNγ [odds ratios (OR), 0.35; 95% confidence intervals (CI), 0.16-0.75], CX3CL1/fractalkine (OR, 0.25; 95% CI, 0.10-0.64), CCL4/MIP-1β (OR, 0.48; 95% CI, 0.24-0.99), FGF-2 (OR, 0.62; 95% CI, 0.28-1.38), and sTNFRII (OR, 0.34; 95% CI, 0.15-0.79) than non-coffee drinkers. CONCLUSIONS Lower circulating levels of inflammatory markers among coffee drinkers may partially mediate previously observed associations of coffee with cancer and other chronic diseases. IMPACT Validation studies, ideally controlled feeding trials, are needed to confirm these associations.
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Affiliation(s)
- Erikka Loftfield
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland. Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, Connecticut.
| | - Meredith S Shiels
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Barry I Graubard
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Hormuzd A Katki
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Anil K Chaturvedi
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Britton Trabert
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Ligia A Pinto
- HPV Immunology Laboratory, Leidos Biomedical Research, Inc., SAIC-Frederick/NCI-Frederick, Frederick, Maryland
| | - Troy J Kemp
- HPV Immunology Laboratory, Leidos Biomedical Research, Inc., SAIC-Frederick/NCI-Frederick, Frederick, Maryland
| | - Fatma M Shebl
- Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, Connecticut. Yale Cancer Center, New Haven, Connecticut
| | - Susan T Mayne
- Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, Connecticut. Yale Cancer Center, New Haven, Connecticut
| | - Nicolas Wentzensen
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Mark P Purdue
- Ontario Institute for Cancer Research, Toronto, Canada
| | - Allan Hildesheim
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Rashmi Sinha
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Neal D Freedman
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
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Li Y, Guo Y, Chen Y, Wang Y, You Y, Yang Q, Weng X, Li Q, Zhu X, Zhou B, Liu X, Gong Z, Zhang R. Establishment of an interleukin-1β-induced inflammation-activated endothelial cell-smooth muscle cell-mononuclear cell co-culture model and evaluation of the anti-inflammatory effects of tanshinone IIA on atherosclerosis. Mol Med Rep 2015; 12:1665-76. [PMID: 25936371 PMCID: PMC4464412 DOI: 10.3892/mmr.2015.3668] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Accepted: 02/19/2015] [Indexed: 02/02/2023] Open
Abstract
Increasing evidence supports the hypothesis that inflammatory reactions serves an important function in the formation, progression and plaque rupture of atherosclerosis. Interleukin (IL)-1 primarily induces inflammation and is closely associated with the inflammatory environment and the formation of atherosclerosis. The present study aimed to establish an in vitro model for the evaluation of drug efficacy in the intervention of atherosclerosis from the inflammatory perspective, and to observe the anti-inflammatory effects of tanshinone IIA and andrographolide on atherosclerosis. The IL-1β-induced inflammation-activated endothelial cell (EC)-smooth muscle cell (SMC)-mononuclear cell (MC) co-culture model was established, based on the changes in a series of atherosclerosis-associated inflammatory markers secreted by ECs and SMCs. The expression of connexin in ECs, adhesion of MCs and changes in inflammatory signalling molecules were selected as evaluation indices for the inflammatory microenvironment of atherosclerosis. The use of this model revealed that tanshinone IIA exhibited significant efficacy against atherosclerosis and its inflammatory reactions. Inflammatory reactions were regarded as the primary mechanism underlying atherosclerosis. The established model simulated a series of relevant changes in the arterial wall under the inflammatory cytokines with oxidized low-density lipoprotein during the atherosclerotic process. The present study presented a reliable method for the identification of drugs with potential anti-inflammatory activity in atherosclerosis, for investigating the mechanisms of action, considering the improvement of the inflammatory state and the increase in plaque stability observed.
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Affiliation(s)
- Yujie Li
- Department of Pharmacokinetics of Chinese Materia Medica, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Yan Guo
- Department of Pharmacokinetics of Chinese Materia Medica, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Ying Chen
- Department of Pharmacokinetics of Chinese Materia Medica, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Yajie Wang
- Department of Pharmacokinetics of Chinese Materia Medica, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Yun You
- Department of Pharmacokinetics of Chinese Materia Medica, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Qing Yang
- Department of Pharmacokinetics of Chinese Materia Medica, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Xiaogang Weng
- Department of Pharmacokinetics of Chinese Materia Medica, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Qi Li
- Department of Pharmacokinetics of Chinese Materia Medica, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Xiaoxin Zhu
- Department of Pharmacokinetics of Chinese Materia Medica, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Bingbing Zhou
- Department of Pharmacokinetics of Chinese Materia Medica, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Xucen Liu
- Department of Pharmacokinetics of Chinese Materia Medica, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Zaipeng Gong
- Department of Pharmacokinetics of Chinese Materia Medica, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Ruijie Zhang
- Department of Pharmacokinetics of Chinese Materia Medica, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
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Migliori M, Cantaluppi V, Mannari C, Bertelli AAE, Medica D, Quercia AD, Navarro V, Scatena A, Giovannini L, Biancone L, Panichi V. Caffeic acid, a phenol found in white wine, modulates endothelial nitric oxide production and protects from oxidative stress-associated endothelial cell injury. PLoS One 2015; 10:e0117530. [PMID: 25853700 PMCID: PMC4390339 DOI: 10.1371/journal.pone.0117530] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Accepted: 12/02/2014] [Indexed: 02/07/2023] Open
Abstract
Introduction Several studies demonstrated that endothelium dependent vasodilatation is impaired in cardiovascular and chronic kidney diseases because of oxidant stress-induced nitric oxide availability reduction. The Mediterranean diet, which is characterized by food containing phenols, was correlated with a reduced incidence of cardiovascular diseases and delayed progression toward end stage chronic renal failure. Previous studies demonstrated that both red and white wine exert cardioprotective effects. In particular, wine contains Caffeic acid (CAF), an active component with known antioxidant activities. Aim of the study The aim of the present study was to investigate the protective effect of low doses of CAF on oxidative stress-induced endothelial injury. Results CAF increased basal as well as acetylcholine—induced NO release by a mechanism independent from eNOS expression and phosphorylation. In addition, low doses of CAF (100 nM and 1 μM) increased proliferation and angiogenesis and inhibited leukocyte adhesion and endothelial cell apoptosis induced by hypoxia or by the uremic toxins ADMA, p-cresyl sulfate and indoxyl sulfate. The biological effects exerted by CAF on endothelial cells may be at least in part ascribed to modulation of NO release and by decreased ROS production. In an experimental model of kidney ischemia-reperfusion injury in mice, CAF significantly decreased tubular cell apoptosis, intraluminal cast deposition and leukocyte infiltration. Conclusion The results of the present study suggest that CAF, at very low dosages similar to those observed after moderate white wine consumption, may exert a protective effect on endothelial cell function by modulating NO release independently from eNOS expression and phosphorylation. CAF-induced NO modulation may limit cardiovascular and kidney disease progression associated with oxidative stress-mediated endothelial injury.
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Affiliation(s)
| | - Vincenzo Cantaluppi
- Nephrology, Dialysis and Kidney Transplantation Unit, Department of Medical Sciences, University of Torino, Torino, Italy
| | - Claudio Mannari
- Department of Translational Research and New Technology in Medicine, University of Pisa, Pisa, Italy
| | | | - Davide Medica
- Nephrology, Dialysis and Kidney Transplantation Unit, Department of Medical Sciences, University of Torino, Torino, Italy
| | - Alessandro Domenico Quercia
- Nephrology, Dialysis and Kidney Transplantation Unit, Department of Medical Sciences, University of Torino, Torino, Italy
| | - Victor Navarro
- Nephrology, Dialysis and Kidney Transplantation Unit, Department of Medical Sciences, University of Torino, Torino, Italy
| | - Alessia Scatena
- Nephrology and Dialysis Unit, Versilia Hospital, Lido di Camaiore, Italy
| | - Luca Giovannini
- Department of Translational Research and New Technology in Medicine, University of Pisa, Pisa, Italy
| | - Luigi Biancone
- Nephrology, Dialysis and Kidney Transplantation Unit, Department of Medical Sciences, University of Torino, Torino, Italy
| | - Vincenzo Panichi
- Nephrology and Dialysis Unit, Versilia Hospital, Lido di Camaiore, Italy
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Gostner JM, Schroecksnadel S, Jenny M, Klein A, Ueberall F, Schennach H, Fuchs D. Coffee Extracts Suppress Tryptophan Breakdown in Mitogen-Stimulated Peripheral Blood Mononuclear Cells. J Am Coll Nutr 2015; 34:212-23. [DOI: 10.1080/07315724.2014.907756] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Multiple anti-inflammatory and anti-atherosclerotic properties of red wine polyphenolic extracts: differential role of hydroxycinnamic acids, flavonols and stilbenes on endothelial inflammatory gene expression. Eur J Nutr 2015; 55:477-489. [DOI: 10.1007/s00394-015-0865-6] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2014] [Accepted: 02/18/2015] [Indexed: 10/23/2022]
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Liu H, Liang X, Wang X, Guo Y, Liu X. Polyelectrolyte assembled graphene oxide coated silica composite as sorbent for solid-phase extraction of cinnamic acid and its derivatives. RSC Adv 2015. [DOI: 10.1039/c4ra13331e] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
PDDA@GO@SiO2 has been prepared and used as sorbent for solid-phase extraction of cinnamic acid and its derivatives.
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Affiliation(s)
- Houmei Liu
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Xiaojing Liang
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Xusheng Wang
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Yong Guo
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Xia Liu
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- China
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38
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Fuentes E, Palomo I. Mechanisms of endothelial cell protection by hydroxycinnamic acids. Vascul Pharmacol 2014; 63:155-61. [DOI: 10.1016/j.vph.2014.10.006] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Revised: 09/22/2014] [Accepted: 10/06/2014] [Indexed: 11/26/2022]
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van Duynhoven J, Vaughan EE, van Dorsten F, Gomez-Roldan V, de Vos R, Vervoort J, van der Hooft JJJ, Roger L, Draijer R, Jacobs DM. Interactions of black tea polyphenols with human gut microbiota: implications for gut and cardiovascular health. Am J Clin Nutr 2013; 98:1631S-1641S. [PMID: 24172295 DOI: 10.3945/ajcn.113.058263] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Epidemiologic studies have convincingly associated consumption of black tea with reduced cardiovascular risk. Research on the bioactive molecules has traditionally been focused on polyphenols, such as catechins. Black tea polyphenols (BTPs), however, mainly consist of high-molecular-weight species that predominantly persist in the colon. There, they can undergo a wide range of bioconversions by the resident colonic microbiota but can in turn also modulate gut microbial diversity. The impact of BTPs on colon microbial composition can now be assessed by microbiomics technologies. Novel metabolomics platforms coupled to de novo identification are currently available to cover the large diversity of BTP bioconversions by the gut microbiota. Nutrikinetic modeling has been proven to be critical for defining nutritional phenotypes related to gut microbial bioconversion capacity. The bioactivity of circulating metabolites has been studied only to a certain extent. Bioassays dedicated to specific aspects of gut and cardiovascular health have been used, although often at physiologically irrelevant concentrations and with limited coverage of relevant metabolite classes and their conjugated forms. Evidence for cardiovascular benefits of BTPs points toward antiinflammatory and blood pressure-lowering properties and improvement in platelet and endothelial function for specific microbial bioconversion products. Clearly, more work is needed to fill in existing knowledge gaps and to assess the in vitro and in vivo bioactivity of known and newly identified BTP metabolites. It is also of interest to assess how phenotypic variation in gut microbial BTP bioconversion capacity relates to gut and cardiovascular health predisposition.
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Affiliation(s)
- John van Duynhoven
- From Unilever Discover Vlaardingen, Vlaardingen, Netherlands (JvD, EEV, FvD, LR, RD, and DMJ); the Laboratory of Biophysics and Wageningen NMR Centre (JvD and JV), and the Laboratory of Biochemistry (JV and JJJvdH), Wageningen University, Wageningen, Netherlands; Plant Research International, Wageningen, Netherlands (VG-R, RdV, and JJJvdH); the Netherlands Metabolomics Centre, Leiden, Netherlands (JvD, FvD, RdV, JV, JJJvdH, and DMJ); and the Centre for Biosystems Genomics, Wageningen, Netherlands (RdV and VG-R)
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IRAK1/4-targeted anti-inflammatory action of caffeic acid. Mediators Inflamm 2013; 2013:518183. [PMID: 24379523 PMCID: PMC3863464 DOI: 10.1155/2013/518183] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2013] [Accepted: 10/29/2013] [Indexed: 01/17/2023] Open
Abstract
Caffeic acid (CA) is a phenolic compound that is frequently present in fruits, grains, and dietary supplements. Although CA has been reported to display various biological activities such as anti-inflammatory, anti-cancer, anti-viral, and anti-oxidative effects, the action mechanism of CA is not yet fully elucidated. In this study, the anti-inflammatory action mechanism of CA was examined in lipopolysaccharide (LPS) treated macrophages (RAW264.7 cells) and HCl/EtOH-induced gastritis. CA was found to diminish nitric oxide (NO) and prostaglandin E2 (PGE2) production in LPS-stimulated RAW264.7 cells. Additionally, mRNA levels of tumor necrosis factor (TNF)-α, cyclooxygenase (COX)-2, and inducible NO synthase (iNOS) were downregulated by CA. CA also strongly suppressed the nuclear translocation of AP-1 family proteins and the related upstream signaling cascade composed of interleukin-1 receptor-associated kinase 1 (IRAK1), IRAK4, TGF-β-activated kinase 1 (TAK1), mitogen-activated protein kinase kinase 4/7 (MKK4/7), and c-Jun N-terminal kinase (JNK). In a direct kinase assay, CA was revealed to directly inhibit IRAK1 and IRAK4. CA also ameliorated HCl/EtOH-induced gastric symptoms via the suppression of JNK, IRAK1, and IRAK4. Therefore, our data strongly suggest that CA acts as an anti-inflammatory drug by directly suppressing IRAK1 and IRAK4.
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Lin KH, Yang YY, Yang CM, Huang MY, Lo HF, Liu KC, Lin HS, Chao PY. Antioxidant activity of herbaceous plant extracts protect against hydrogen peroxide-induced DNA damage in human lymphocytes. BMC Res Notes 2013; 6:490. [PMID: 24279749 PMCID: PMC4222091 DOI: 10.1186/1756-0500-6-490] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Accepted: 11/23/2013] [Indexed: 12/14/2022] Open
Abstract
Background Herbaceous plants containing antioxidants can protect against DNA damage. The
purpose of this study was to evaluate the antioxidant substances,
antioxidant activity, and protection of DNA from oxidative damage in human
lymphocytes induced by hydrogen peroxide (H2O2). Our
methods used acidic methanol and water extractions from six herbaceous
plants, including Bidens alba (BA), Lycium chinense (LC),
Mentha arvensis (MA), Plantago asiatica (PA),
Houttuynia cordata (HC), and Centella asiatica
(CA). Methods Antioxidant compounds such as flavonol and polyphenol were analyzed.
Antioxidant activity was determined by the inhibition percentage of
conjugated diene formation in a linoleic acid emulsion system and by
trolox-equivalent antioxidant capacity (TEAC) assay. Their antioxidative
capacities for protecting human lymphocyte DNA from
H2O2-induced strand breaks was evaluated by comet
assay. Results The studied plants were found to be rich in flavonols, especially myricetin
in BA, morin in MA, quercetin in HC, and kaemperol in CA. In addition,
polyphenol abounded in BA and CA. The best conjugated diene formation
inhibition percentage was found in the acidic methanolic extract of PA.
Regarding TEAC, the best antioxidant activity was generated from the acidic
methanolic extract of HC. Water and acidic methanolic extracts of MA and HC
both had better inhibition percentages of tail DNA% and tail moment as
compared to the rest of the tested extracts, and significantly suppressed
oxidative damage to lymphocyte DNA. Conclusion Quercetin and morin are important for preventing peroxidation and oxidative
damage to DNA, and the leaves of MA and HC extracts may have excellent
potential as functional ingredients representing potential sources of
natural antioxidants.
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Affiliation(s)
- Kuan-Hung Lin
- Department of Nutrition and Health Sciences, Chinese Culture University, Taipei 11114, Taiwan.
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Lin KH, Hsu CY, Huang YP, Lai JY, Hsieh WB, Huang MY, Yang CM, Chao PY. Chlorophyll-related compounds inhibit cell adhesion and inflammation in human aortic cells. J Med Food 2013; 16:886-98. [PMID: 24066944 PMCID: PMC3806384 DOI: 10.1089/jmf.2012.2558] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2012] [Accepted: 06/23/2013] [Indexed: 12/30/2022] Open
Abstract
The objectives of this study were to investigate the effects of chlorophyll-related compounds (CRCs) and chlorophyll (Chl) a+b on inflammation in human aortic endothelial cells. Adhesion molecule expression and interleukin (IL)-8, nuclear factor (NF)-κB p65 protein, and NF-κB and activator protein (AP)-1 DNA binding were assessed. The effects of CRCs on inflammatory signaling pathways of signal transducers and activators of transcription 3 (STAT3) and mothers against decapentaplegic homolog 4, respectively induced by IL-6 and transforming growth factor (TGF)-β, in human aortic smooth muscle cells cultured in vitro were also investigated. HAECs were pretreated with 10 μM of CRCs, Chl a+b, and aspirin (Asp) for 18 h followed by tumor necrosis factor (TNF)-α (2 ng/mL) for 6 h, and U937 cell adhesion was determined. TNF-α-induced monocyte-endothelial cell adhesion was significantly inhibited by CRCs. Moreover, CRCs and Chl a+b significantly attenuated vascular cell adhesion molecule-1, intercellular adhesion molecule-1, and IL-8 expressions. Treatments also significantly decreased in NF-κB expression, DNA binding, and AP-1 DNA binding by CRCs and Asp. Thus, CRCs exert anti-inflammatory effects through modulation of NF-κB and AP-1 signaling. Ten micromoles of CRCs and Asp upregulated the expression of mothers against decapentaplegic homolog 4 (Drosophila) (SMAD4) in the TGF-β receptor signaling pathway, and SMAD3/4 transcription activity was also increased. Ten micromoles of CRCs were able to potently inhibit STAT3-binding activity by repressing IL-6-induced STAT3 expression. Our results provide a potential mechanism that explains the anti-inflammatory activities of these CRCs.
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Affiliation(s)
- Kuan-Hung Lin
- Graduate Institute of Biotechnology, Chinese Culture University, Taipei, Taiwan
| | - Ching-Yun Hsu
- Department of Nutrition and Health Sciences, Chang-Gung University of Science and Technology, Taoyuan, Taiwan
| | - Ya-Ping Huang
- Graduate Institute of Applied Science of Living, Chinese Culture University, Taipei, Taiwan
| | - Jun-You Lai
- Graduate Institute of Biotechnology, Chinese Culture University, Taipei, Taiwan
| | - Wen-Bin Hsieh
- Graduate Institute of Biotechnology, Chinese Culture University, Taipei, Taiwan
| | - Meng-Yuan Huang
- Research Center for Biodiversity, Academia Sinica, Nankang, Taiwan
| | - Chi-Ming Yang
- Research Center for Biodiversity, Academia Sinica, Nankang, Taiwan
| | - Pi-Yu Chao
- Department of Nutrition and Health Sciences, Chinese Culture University, Taipei, Taiwan
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Tomato extract and the carotenoids lycopene and lutein improve endothelial function and attenuate inflammatory NF-κB signaling in endothelial cells. J Hypertens 2013; 31:521-9; discussion 529. [PMID: 23235359 DOI: 10.1097/hjh.0b013e32835c1d01] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVES In our previous research the antihypertensive properties of lycopene-containing tomato oleoresin have been revealed. The present study was aimed to assess if oleoresin interferes in the inflammatory signalling in endothelial cells, imitating reduction of inflammatory processes in the vessel wall and in this way to propose the mechanism for the reduction of blood pressure by oleoresin. METHODS AND RESULTS A wide number of functional and inflammatory markers were investigated in two cultured endothelial cell models [EA.hy926 and human umbilical vein endothelial cell (HUVEC)], exposed to oleoresin and carotenoids lycopene and lutein. All the carotenoids significantly improved basic endothelial function as measured by increased nitric oxide and decreased endothelin (ET-1) release. They were effective in attenuation of inflammatory nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) signalling: decrease of tumour necrosis factor-alpha (TNF-α)-induced leukocytes adhesion, expression of adhesion molecules inter-cellular adhesion molecule 1 (ICAM-1) and vascular cell adhesion molecule 1 (VCAM-1), and nuclear translocation of NF-κB components as well as some revert of inhibitor of kappa B (IκB) ubiquitination. In addition, the carotenoids were able to inhibit NF-κB activation in transfected endothelial cells. When combined with lutein, oleoresin exerted synergistic effect on preclusion of leukocytes adhesion. CONCLUSIONS Prevention of over-expression of adhesion molecules through inhibition of NF-κB signalling may be one of the main mechanisms driving carotenoids to attenuate inflammatory leukocyte adhesion to endothelium. This is the first profound study on the mechanisms involved in the positive action of natural tomato products in endothelial cells.
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Gaascht F, Dicato M, Diederich M. Venus Flytrap (Dionaea muscipula Solander ex Ellis) Contains Powerful Compounds that Prevent and Cure Cancer. Front Oncol 2013; 3:202. [PMID: 23971004 PMCID: PMC3747514 DOI: 10.3389/fonc.2013.00202] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Accepted: 07/24/2013] [Indexed: 12/11/2022] Open
Abstract
Chemoprevention uses natural or synthetic molecules without toxic effects to prevent and/or block emergence and development of diseases including cancer. Many of these natural molecules modulate mitogenic signals involved in cell survival, apoptosis, cell cycle regulation, angiogenesis, or on processes involved in the development of metastases occur naturally, especially in fruits and vegetables bur also in non-comestible plants. Carnivorous plants including the Venus flytrap (Dionaea muscipula Solander ex Ellis) are much less investigated, but appear to contain a wealth of potent bioactive secondary metabolites. Aim of this review is to give insight into molecular mechanisms triggered by compounds isolated from these interesting plants with either therapeutic or chemopreventive potential.
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Affiliation(s)
- François Gaascht
- Laboratory for Molecular and Cellular Biology of Cancer (LBMCC), Hôpital Kirchberg, Luxembourg, Luxembourg
| | - Mario Dicato
- Laboratory for Molecular and Cellular Biology of Cancer (LBMCC), Hôpital Kirchberg, Luxembourg, Luxembourg
| | - Marc Diederich
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul, South Korea
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Stojakowska A, Michalska K, Malarz J, Beharav A, Kisiel W. Root tubers of Lactuca tuberosa as a source of antioxidant phenolic compounds and new furofuran lignans. Food Chem 2013; 138:1250-5. [DOI: 10.1016/j.foodchem.2012.11.062] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Revised: 11/09/2012] [Accepted: 11/16/2012] [Indexed: 10/27/2022]
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Keim AP, Slis JR, Mendez U, Stroup EM, Burmeister Y, Tsolaki N, Gailing O, Goldman J. The multicomponent medication lymphomyosot improves the outcome of experimental lymphedema. Lymphat Res Biol 2013; 11:81-92. [PMID: 23725444 DOI: 10.1089/lrb.2012.0024] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Secondary lymphedema is a life-long disease of painful tissue swelling that often follows axillary lymph node dissection to treat breast cancer. It is hypothesized that poor lymphatic regeneration across the obstructive scar tissue during the wound healing process may predispose the tissue to swell at a later date. Treatment for lymphedema remains suboptimal and is in most cases palliative. The purpose of this study was to evaluate the ability of Lymphomyosot to treat tissue swelling and promote lymphangiogenesis in experimental models of murine lymphedema. METHODS Experimental models of mouse lymphedema were injected with varied amounts of Lymphomyosot and saline as control. Measurements of tail swelling and wound closure were taken and compared amongst the groups. Three separate groups of mice were analyzed for lymphatic capillary migration, lymphatic vessel regeneration, and macrophage recruitment. RESULTS Lymphomyosot significantly reduced swelling and increased the rate of surgical wound closure. Lymphomyosot did not increase the migration of lymph capillaries in a mouse tail skin regeneration model or regeneration of lymph vessels following murine axillary lymph node dissection. CONCLUSIONS Lymphomyosot may act through inflammatory and wound repair pathways to reduce experimental lymphedema. Its ability to regulate inflammation as well as assist in tissue repair and extracellular formation may allow for the production of a scar-free matrix bridge through which migrating cells and accumulated interstitial fluid can freely spread.
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Affiliation(s)
- Alex P Keim
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan, USA
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Hou H, Zhou R, Jia Q, Li Q, Kang L, Jiao P, Li D, Jiang B. Citreoviridin enhances tumor necrosis factor-α-induced adhesion of human umbilical vein endothelial cells. Toxicol Ind Health 2013; 31:193-201. [DOI: 10.1177/0748233713483194] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Endothelial adhesion plays an important role in the process of atherosclerosis, which is regulated by endothelial adhesion molecules and chemoattractant molecules. In some areas of China, citreoviridin (CIT) is considered a risk factor for the development of atherosclerosis. Here, we investigated the role of CIT in adhesion of human umbilical vein endothelial cells (HUVECs) together with the stimulation of tumor necrosis factor-α (TNF-α). Adhesion of HUVECs to monocytes was analyzed by coculture experiments using U937 cells labeled with 2,7-bis(2-carboxyethyl)-5(6)-carboxyfluorescein acetoxymethylester. The expression of intercellular adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule-1 (VCAM-1), and E-selectin was determined by Western blot and enzyme-linked immunosorbent assay (ELISA). The expression of monocyte chemoattractant protein-1 (MCP-1) was measured by reverse transcription polymerase chain reaction and ELISA. The activation of nuclear factor-κB (NF-κB) was assessed by Western blot and immunofluorescence staining. CIT markedly increased TNF-α-induced HUVECs adhesion to monocytes and the expression levels of ICAM-1, VCAM-1, E-selectin, and MCP-1. TNF-α-induced nuclear translocation of NF-κB in HUVECs was significantly elevated by CIT. Our study demonstrates that CIT upregulates TNF-α-induced endothelial adhesion via increasing activation of NF-κB, which results in the expression of ICAM-1, VCAM-1, E-selectin, and MCP-1. CIT plays a pivotal role in the process of endothelial cell adhesion and may thereby play an important role in the improvement of atherosclerosis in areas of China that have a high prevalence of CIT contamination and atherosclerosis.
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Affiliation(s)
- Haifeng Hou
- Institute of Epidemiology, School of Public Health, Shandong University, Jinan, China
- Institute of Epidemiology, School of Public Health, Taishan Medical University, Taian, China
| | - Ru Zhou
- Institute of Epidemiology, School of Public Health, Taishan Medical University, Taian, China
| | - Qiang Jia
- National Institute of Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Qunwei Li
- Institute of Epidemiology, School of Public Health, Taishan Medical University, Taian, China
| | - Li Kang
- Institute of Atherosclerosis, Taishan Medical University, Taian, China
| | - Peng Jiao
- Institute of Atherosclerosis, Taishan Medical University, Taian, China
| | - Dong Li
- Institute of Epidemiology, School of Public Health, Taishan Medical University, Taian, China
| | - Baofa Jiang
- Institute of Epidemiology, School of Public Health, Shandong University, Jinan, China
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48
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Vázquez-Agell M, Urpi-Sarda M, Sacanella E, Camino-López S, Chiva-Blanch G, Llorente-Cortés V, Tobias E, Roura E, Andres-Lacueva C, Lamuela-Raventós RM, Badimon L, Estruch R. Cocoa consumption reduces NF-κB activation in peripheral blood mononuclear cells in humans. Nutr Metab Cardiovasc Dis 2013; 23:257-263. [PMID: 21824756 DOI: 10.1016/j.numecd.2011.03.015] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2010] [Revised: 03/18/2011] [Accepted: 03/31/2011] [Indexed: 12/22/2022]
Abstract
BACKGROUND AND AIMS Epidemiological studies have demonstrated an association between high-polyphenol intake and reduced incidence of atherosclerosis. The healthy effects of cocoa-polyphenols may be due to their antioxidant and anti-inflammatory actions, although the exact mechanisms are unknown and depend on the matrix in which cocoa-polyphenols are delivered. Nuclear factor κB (NF-κB) is a key molecule in the pathophysiology of atherosclerosis involved in the regulation of adhesion molecules(AM) and cytokine expression and its activation is the first step in triggering the inflammatory process. The aim of this study was to evaluate the effect of acute cocoa consumption in different matrices related to the bioavailability of cocoa-polyphenols in NF-κB activation and the expression of AM. METHODS AND RESULTS Eighteen healthy volunteers randomly received 3 interventions: 40g of cocoa powder with milk (CM), with water (CW), and only milk (M). NF-κB activation in leukocytes and AM (sICAM, sVCAM, E-selectin) were measured before and 6h after each intervention. Consumption of CW significantly decreased NF-κB activation compared to baseline and to CM (P < 0.05, both), did not change after CM intervention, and significantly increased after M intervention (P = 0.014). sICAM-1 concentrations significantly decreased after 6h of CW and CM interventions (P ≤ 0.026; both) and E-selectin only decreased after CW intervention (P = 0.028). No significant changes were observed in sVCAM-1 concentrations. CONCLUSIONS The anti-inflammatory effect of cocoa intake may depend on the bioavailability of bioactive compounds and may be mediated at least in part by the modulation of NF-κB activation and downstream molecules reinforcing the link between cocoa intake and health.
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Affiliation(s)
- M Vázquez-Agell
- Department of Internal Medicine, Hospital Clinic, Villarroel 170, 08036 Barcelona, Spain
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49
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Bachiega TF, de Sousa JPB, Bastos JK, Sforcin JM. Immunomodulatory/anti-inflammatory effects of Baccharis dracunculifolia leaves. Nat Prod Res 2012; 27:1646-50. [PMID: 23163304 DOI: 10.1080/14786419.2012.742078] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
A possible immunomodulatory/anti-inflammatory effect of Baccharis dracunculifolia (Bd) and its major compound--caffeic acid (Ca)--on cytokines production (IL-1β, IL-6 and IL-10) by murine macrophages was investigated. Cells were incubated with Bd and Ca, and the inhibitory concentrations were tested before or after macrophages challenge with LPS. Bd and Ca stimulated IL-1β and inhibited IL-6 and IL-10 production. In LPS-challenge protocols, Bd prevented LPS action either before or after LPS challenge, whereas Ca prevented LPS effects only after LPS addition. Bd modulatory action on cytokines production may be at least in part mediated by Ca, since it has been shown to inhibit the transcription factor NF-κB. Further studies are still needed to evaluate Bd efficacy in inflammatory diseases, in order to explore its antiinflammatory activity in vivo.
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Affiliation(s)
- T F Bachiega
- a Department of Microbiology and Immunology , Biosciences Institute, UNESP , Botucatu , SP , 18618-970 , Brazil
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50
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Zhang Z, Ma J, Yao K, Yin J. Alpha-melanocyte stimulating hormone suppresses the proliferation of human Tenon’s capsule fibroblast proliferation induced by transforming growth factor beta 1. Mol Biol 2012. [DOI: 10.1134/s0026893312040140] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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