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Carneiro BT, de Castro FNAM, Benetti F, Nima G, Suzuki TYU, André CB. Flavonoids effects against bacteria associated to periodontal disease and dental caries: a scoping review. BIOFOULING 2024; 40:99-113. [PMID: 38425046 DOI: 10.1080/08927014.2024.2321965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 02/15/2024] [Indexed: 03/02/2024]
Abstract
This scoping review focused on exploring the efficacy of flavonoids against bacteria associated with dental caries and periodontal diseases. Inclusion criteria comprise studies investigating the antibacterial effects of flavonoids against bacteria linked to caries or periodontal diseases, both pure or diluted in vehicle forms. The search, conducted in August 2023, in databases including PubMed/MEDLINE, Scopus, Web of Science, Embase, LILACS, and Gray Literature. Out of the initial 1125 studies, 79 met the inclusion criteria, majority in vitro studies. Prominent flavonoids tested included epigallocatechin-gallate, apigenin, quercetin, and myricetin. Predominant findings consistently pointed to bacteriostatic, bactericidal, and antibiofilm activities. The study primarily investigated bacteria associated with dental caries, followed by periodontopathogens. A higher number of publications presented positive antibacterial results against Streptococcus mutans in comparison to Porphyromonas gingivalis. These encouraging findings underline the potential applicability of commercially available flavonoids in materials or therapies, underscoring the need for further exploration in this field.
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Affiliation(s)
- Bruna Tavares Carneiro
- Departament of Restorative Dentistry, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | | | - Francine Benetti
- Departament of Restorative Dentistry, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Gabriel Nima
- Departament of Biomaterials, School of Dentistry, Universidad de los Andes, Santiago, Chile
| | - Thais Yumi Umeda Suzuki
- Departament of Restorative Dentistry, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Carolina Bosso André
- Departament of Restorative Dentistry, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
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Flavonoid Baicalein Suppresses Oral Biofilms and Protects Enamel Hardness to Combat Dental Caries. Int J Mol Sci 2022; 23:ijms231810593. [PMID: 36142516 PMCID: PMC9504913 DOI: 10.3390/ijms231810593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/05/2022] [Accepted: 09/08/2022] [Indexed: 11/23/2022] Open
Abstract
The objectives of this study were to investigate the effects of a novel method using flavonoids to inhibit Streptococcus mutans (S. mutans), Candida albicans (C. albicans) and dual-species biofilms and to protect enamel hardness in a biofilm-based caries model for the first time. Several flavonoids, including baicalein, naringenin and catechin, were tested. Gold-standard chlorhexidine (CHX) and untreated (UC) groups served as controls. Optimal concentrations were determined by cytotoxicity assay. Biofilm MTT, colony-forming-units (CFUs), biofilm biomass, lactic acid and polysaccharide production were evaluated. Real-time-polymerase-chain reaction (qRT-PCR) was used to determine gene expressions in biofilms. Demineralization of human enamel was induced via S. mutans-C. albicans biofilms, and enamel hardness was measured. Compared to CHX and UC groups, the baicalein group achieved the greatest reduction in S. mutans, C. albicans and S. mutans-C. albicans biofilms, yielding the least metabolic activity, polysaccharide synthesis and lactic acid production (p < 0.05). The biofilm CFU was decreased in baicalein group by 5 logs, 4 logs, 5 logs, for S. mutans, C. albicans and S. mutans-C. albicans biofilms, respectively, compared to UC group. When tested in a S. mutans-C. albicans in vitro caries model, the baicalein group substantially reduced enamel demineralization under biofilms, yielding an enamel hardness that was 2.75 times greater than that of UC group. Hence, the novel baicalein method is promising to inhibit dental caries by reducing biofilm formation and protecting enamel hardness.
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Prmt7 Downregulation in Mouse Spermatogonia Functions through miR-877-3p/ Col6a3. LIFE (BASEL, SWITZERLAND) 2022; 12:life12081194. [PMID: 36013373 PMCID: PMC9410080 DOI: 10.3390/life12081194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/14/2022] [Accepted: 07/30/2022] [Indexed: 11/17/2022]
Abstract
Protein arginine methyltransferases 7 (Prmt7) is expressed in male germ cells, including primordial germ cells, gonocytes, and spermatogonia. Our previous study demonstrated that Prmt7 downregulation reduced the proliferation of GC-1 cells (a cell line of mouse immortalized spermatogonia). However, how Prmt7 regulates spermatogonial proliferation through miRNA and the target gene remains elusive. Here, we experimentally reduced the Prmt7 expression in the GC-1 cells and subjected them to miRNA sequencing to explore the miRNA profile and its Prmt7-responsive members. In total, 48 differentially expressed miRNAs (DEmiRNAs), including 36 upregulated and 12 downregulated miRNAs, were identified. After verifying the validity of sequencing results through qRT-PCR assays in randomly selected DEmiRNAs, we predicted the target genes of these DEmiRNAs. Next, we combined DEmiRNA target genes and previously identified differentially expressed genes between Prmt7 knockdown and control groups of GC-1 cells, which resulted in seven miRNA/target gene pairs. Among these miRNA/target gene pairs, we further detected the expression of Col6a3 (collagen type VI alpha 3) as the target gene of mmu-miR-877-3p. The results suggested that Prmt7 downregulation in mouse spermatogonia might function through miR-877-3p/Col6a3. Overall, these findings provide new insights into the role of Prmt7 in male germ cell development through miRNA and target genes.
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Ha SE, Bhagwan Bhosale P, Kim HH, Park MY, Abusaliya A, Kim GS, Kim JA. Apigetrin Abrogates Lipopolysaccharide-Induced Inflammation in L6 Skeletal Muscle Cells through NF-κB/MAPK Signaling Pathways. Curr Issues Mol Biol 2022; 44:2635-2645. [PMID: 35735621 PMCID: PMC9221909 DOI: 10.3390/cimb44060180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/04/2022] [Accepted: 06/05/2022] [Indexed: 11/16/2022] Open
Abstract
Apigetrin is a glycosidic flavonoid derived from Teucrium gnaphalodes that has a wide range of biological activities, including antioxidant, anti-inflammatory, and anticancer. Inflammation is a kind of defense mechanism in the body. Flavonoids are natural phytochemicals that exert anti-inflammatory effects in numerous cells. In the present study, we investigated the anti-inflammatory effect of apigetrin and its underlying mechanism of activity in skeletal muscle cells (L6). The determination of cytotoxicity was performed by MTT assay. We treated L6 cells with apigetrin, and nontoxic concentrations were chosen to perform further experimentation. Apigetrin inhibited the expression of iNOS and COX-2 induced by LPS in a dose-dependent manner. iNOS and COX-2 are inflammatory markers responsible for enhancing the inflammatory response. Apigetrin also inhibited the LPS-induced phosphorylation of p65 and IκB-α. NF-κB signaling regulates the inflammatory process by mediating various proinflammatory genes. Similarly, the MAPK signaling pathway consists of ERK, JNK, and p38, which plays a critical role in the production of cytokines and downstream signaling events leading to inflammation. Apigetrin significantly downregulated the phosphorylation of JNK and p38, but did not affect the phosphorylation of ERK in the LPS-stimulated cells. These findings indicate the correlation between the anti-inflammatory activity of NF-κB and the MAPK signaling pathway. Thus, our overall finding suggests that apigetrin has anti-inflammatory effects and it can be considered for further drug design on L6 skeletal muscle cells.
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Affiliation(s)
- Sang-Eun Ha
- Research Institute of Life Science, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea; (S.-E.H.); (P.B.B.); (H.-H.K.); (M.-Y.P.); (A.A.)
| | - Pritam Bhagwan Bhosale
- Research Institute of Life Science, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea; (S.-E.H.); (P.B.B.); (H.-H.K.); (M.-Y.P.); (A.A.)
| | - Hun-Hwan Kim
- Research Institute of Life Science, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea; (S.-E.H.); (P.B.B.); (H.-H.K.); (M.-Y.P.); (A.A.)
| | - Min-Yeong Park
- Research Institute of Life Science, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea; (S.-E.H.); (P.B.B.); (H.-H.K.); (M.-Y.P.); (A.A.)
| | - Abuyaseer Abusaliya
- Research Institute of Life Science, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea; (S.-E.H.); (P.B.B.); (H.-H.K.); (M.-Y.P.); (A.A.)
| | - Gon-Sup Kim
- Research Institute of Life Science, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea; (S.-E.H.); (P.B.B.); (H.-H.K.); (M.-Y.P.); (A.A.)
- Correspondence: (G.-S.K.); (J.-A.K.); Tel.: +82-55-772-2346 (G.-S.K.); +82-55-751-8295 (J.-A.K.)
| | - Jin-A Kim
- Department of Physical Therapy, International University of Korea, Jinju 52833, Korea
- Correspondence: (G.-S.K.); (J.-A.K.); Tel.: +82-55-772-2346 (G.-S.K.); +82-55-751-8295 (J.-A.K.)
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Gutiérrez-Venegas G, Fernández-Rojas B, Rosas-Martínez M, Sánchez-Carballido MA. Rutin Prevents LTA Induced Oxidative Changes in H9c2 Cells. Prev Nutr Food Sci 2020; 25:203-211. [PMID: 32676472 PMCID: PMC7333009 DOI: 10.3746/pnf.2020.25.2.203] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 03/20/2020] [Indexed: 12/29/2022] Open
Abstract
Lipoteichoic acid (LTA), a component of Gram-positive bacteria cell walls is involved in infective endocarditis (IE), a life-threatening disease. We evaluated for the first time, whether flavonoid rutin (quercetin-3-rutinoside) can block LTA-induced pro-inflammatory response and reactive oxygen species (ROS) production, and reduction of antioxidant enzymes. We found that rutin suppresses LTA effects on the antioxidant enzymes superoxide dismutase, catalase, and glutathione peroxidase, as well as the pro-inflammatory enzyme cyclooxygenase-2, preventing phosphorylation of the mitogen-activated protein kinases (MAPKs), p38, and c-Jun N-terminal kinase, and the increase of ROS production induced by LTA. Taken together, these findings suggest that rutin prevents oxidative damage, inflammation, and MAPKs activation induced by LTA. Rutin may exert a protective effect in IE. These data provide novel insights for future use of rutin to prevent the mechanisms of LTA-related pathogenesis, inflammatory processes, and antioxidant enzyme levels in diseases such as IE.
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Affiliation(s)
- Gloria Gutiérrez-Venegas
- Biochemistry Laboratory of the Division of Graduate Studies and Research, Faculty of Dentistry, National Autonomous University of Mexico, Mexico City 04510, Mexico
| | - Berenice Fernández-Rojas
- Biochemistry Laboratory of the Division of Graduate Studies and Research, Faculty of Dentistry, National Autonomous University of Mexico, Mexico City 04510, Mexico
| | - Marisol Rosas-Martínez
- Biochemistry Laboratory of the Division of Graduate Studies and Research, Faculty of Dentistry, National Autonomous University of Mexico, Mexico City 04510, Mexico
| | - Manuel Alejandro Sánchez-Carballido
- Biochemistry Laboratory of the Division of Graduate Studies and Research, Faculty of Dentistry, National Autonomous University of Mexico, Mexico City 04510, Mexico
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Fernández-Rojas B, Vázquez-Cervantes GI, Pedraza-Chaverri J, Gutiérrez-Venegas G. Lipoteichoic acid reduces antioxidant enzymes in H9c2 cells. Toxicol Rep 2019; 7:101-108. [PMID: 31921600 PMCID: PMC6948251 DOI: 10.1016/j.toxrep.2019.12.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 12/17/2019] [Accepted: 12/29/2019] [Indexed: 12/30/2022] Open
Abstract
Lipoteichoic acid (LTA) reduced the levels of the antioxidant enzymes in H9c2 cells. LTA from Streptococcus sanguinis induced ROS production in H9c2 cells. Low antioxidant enzymes levels and ROS production could be related to infective endocarditis (IE). Antioxidants could protect against oxidative stress induced by LTA in IE.
Infective endocarditis (IE) is an illness where the heart is invaded by bacteria, like Streptococcal and Staphylococcal species that contain lipoteichoic acid (LTA) related to an essential role in this disease. This study is the first in evaluating antioxidant enzyme levels in embryonic cardiomyocyte cell line (H9c2) induced by LTA from Streptococcus sanguinis. LTA increased reactive oxygen species (ROS) and reduced the levels of the antioxidant enzymes glutathione peroxidase, superoxide dismutase (SOD)-1 and catalase (CAT) but did not affect glutathione content. At the highest LTA concentration (15 μg/ml), SOD-1 and CAT levels did not change, and this effect was related to the induction of mRNA levels of Nrf2 induced by LTA. These results suggest that low antioxidant enzyme levels and ROS production could be related to IE.
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Key Words
- AKT, protein kinase B
- Antioxidant enzymes
- CAT, catalase
- Carboxy-H2DCFDA, 6-carboxy-2´,7´ dichlorodihydrofluorescein diacetate
- DHE, dihydroethidium
- ERK, extracellular signal-regulated kinases
- FDA, fluorescein diacetate
- GPx-1, glutathione peroxidase-1
- GSH, glutathione
- H2O2, hydrogen peroxide
- IE, infective endocarditis
- Infective endocarditis
- JNK, c-jun N-terminal kinases
- LTA, lipoteichoic acid
- Lipoteichoic acid
- MAPK, mitogen-activated protein kinase
- MTT, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide
- NO, nitric oxide
- NOS, nitric oxide synthase
- Nrf2, nuclear factor (erythroid-derived 2)-like 2
- O2•¯, superoxide radical
- OH•, hydroxyl radical
- ONOO¯, peroxynitrite anion
- Oxidative stress
- RNS, reactive nitrogen species
- ROS production
- ROS, reactive oxygen species
- SOD-1, superoxide dismutase-1
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Affiliation(s)
- Berenice Fernández-Rojas
- Laboratorio de Bioquímica de la División de Estudios de Posgrado e Investigación, Facultad de Odontología, Universidad Nacional Autónoma de México, Ciudad Universitaria, 04510 Ciudad de México, México
| | - Gustavo I. Vázquez-Cervantes
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, Circuito interior s/n, Ciudad Universitaria, 04510, Ciudad de México, México
| | - José Pedraza-Chaverri
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, Circuito interior s/n, Ciudad Universitaria, 04510, Ciudad de México, México
| | - Gloria Gutiérrez-Venegas
- Laboratorio de Bioquímica de la División de Estudios de Posgrado e Investigación, Facultad de Odontología, Universidad Nacional Autónoma de México, Ciudad Universitaria, 04510 Ciudad de México, México
- Corresponding author.
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Gutiérrez-Venegas G, Gómez-Mora JA, Meraz-Rodríguez MA, Flores-Sánchez MA, Ortiz-Miranda LF. Effect of flavonoids on antimicrobial activity of microorganisms present in dental plaque. Heliyon 2019; 5:e03013. [PMID: 31886429 PMCID: PMC6921118 DOI: 10.1016/j.heliyon.2019.e03013] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 10/22/2019] [Accepted: 12/06/2019] [Indexed: 12/29/2022] Open
Abstract
PURPOSE Dental caries is a multi-factorial oral disease, requiring a susceptible host, cariogenic microorganisms and suitable substrate. Caries is extended worldwide in spite of the availability of countless prophylactic means, including fluoride toothpaste and dental sealers. Many efforts have been made to achieve isolation of pure natural products for medicinal use. Flavonoids are bioactive polyphenol compounds possessing multidimensional effects such as antibacterial action. METHODS The present study targeted the characterization of antibacterial and antifungal activity of various flavonoids (apigenin, catechin, luteolin, morin, myricetin, naringin, quercetin and rutin). Nine strains present in dental plaque were used: Agreggatibacter actinomycetemcomitans, Actinomyces naeslundii, Actinomyces viscosus, Enterococcus faecalis, Escherichia coli, Lactobacillus casei, Staphylococcus aureus, Streptococcus oralis and Streptococcus sanguinis as well as Candida albicans fungal strain. RESULTS Results revealed that luteolin, morin, naringin, quercetin and rutin effectively inhibited bacterial and fungal growth. However, morin was the most effective flavonoid. CONCLUSION It might then be concluded that flavonoids show bacteriostatic effect on all of tested bacteria and fungus.
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Affiliation(s)
- Gloria Gutiérrez-Venegas
- Laboratorio de Bioquímica, División de Estudios de Posgrado e Investigación, Facultad de Odontología, Universidad Nacional Autónoma de México, Ciudad de México, 04510, Mexico
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Rosas-Martínez M, Gutiérrez-Venegas G. Myricetin Inhibition of Peptidoglycan-Induced COX-2 Expression in H9c2 Cardiomyocytes. Prev Nutr Food Sci 2019; 24:202-209. [PMID: 31328126 PMCID: PMC6615347 DOI: 10.3746/pnf.2019.24.2.202] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 05/23/2019] [Indexed: 11/06/2022] Open
Abstract
Peptidoglycan (PGN) is a cell wall constituent in dental plaque bacteria that triggers inflammatory responses. PGN binds Toll-like receptors, leading to increases in prostaglandin E2 and interleukin-1β, which play crucial roles in the inflammatory response and tissue destruction. Dental surgery can give plaque bacteria access to blood circulation, thereby creating a risk of septic inflammation of the endocardium. Plant-derived flavonoids have been reported to reduce inflammatory cytokine secretion by host cells. In the present study, we investigated the effects of flavonoid myricetin on expression of cyclooxygenase 2 (COX-2) in the H9c2 cells treated with PGN from Streptococcus sanguinis, a bacterial constituent of dental plaque associated with infective endocarditis. Myricetin exposure resulted in dose-dependent suppression of PGN-induced COX-2 expression, diminished phosphorylation of p38, extracellular signal regulated kinase 1/2, and c-Jun N-terminal kinase, and reduced IκB-α degradation, consistent with decreased COX-2 activity. In conclusion, the aforementioned results suggest that myricetin is useful for moderating the inflammatory response in infective endocarditis.
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Affiliation(s)
- Marisol Rosas-Martínez
- Biochemistry Laboratory of the Division of Graduate Studies and Research, Faculty of Dentistry, National Autonomous University of Mexico, Mexico 04510, Mexico
| | - Gloria Gutiérrez-Venegas
- Biochemistry Laboratory of the Division of Graduate Studies and Research, Faculty of Dentistry, National Autonomous University of Mexico, Mexico 04510, Mexico
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(3R)-5,6,7-trihydroxy-3-isopropyl-3-methylisochroman-1-one reduces lipoteichoic acid-induced damage in rat cardiomyoblast cells. Anatol J Cardiol 2018. [PMID: 29521314 PMCID: PMC5864770 DOI: 10.14744/anatoljcardiol.2018.71542] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Objective: Infective endocarditis is usually caused by Streptococcus sanguinis and characterized by inflammatory responses in the endocardium. This study aimed to investigate if the new compound (3R)-5,6,7-trihydroxy-3-isopropyl-3-methylisochroman-1-one (TIM) isolated from Alpinia katsumadai Hayata could provide protection against lipoteichoic acid (LTA)-induced cell damage in embryonic rat heart cells (H9c2). Methods: LTA-induced cell damage was established in H9c2, and the protective effects of TIM against the cell damage were examined at different concentrations (0.1–2.5 µM). The inflammatory response and oxidative stress in H9c2 cells were also measured. Results: Treatment with TIM (0.1–2.5 µM) significantly decreased LTA-induced toxicity in H9c2 cells, which was indicated by increase in cell viability, elevation in the mitochondrial membrane potential, decrease in the release of cytochrome-c and DNA damage, inhibition of caspase-3/9 activities, and change in apoptosis-related protein expression in LTA-treated H9c2 cells. TIM treatment also significantly attenuated the redox imbalance in H9c2 cells by decreasing malondialdehyde and intracellular reactive oxygen species levels as well as by enhancing superoxide dismutase activities and glutathione levels by increasing nuclear factor (erythroid-derived 2)-like 2 protein expression. Moreover, TIM treatment decreased interleukin 1 β, interleukin 12, and tumor necrosis factor α levels by inhibiting nuclear factor kappa B protein expression. Conclusion: Our data indicated that TIM protected H9c2 cells against LTA-induced toxicity, at least partially through inhibiting the inflammatory response and oxidative stress, providing scientific rational to develop TIM to treat infective endocarditis.
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Zhang N, Wei WY, Li LL, Hu C, Tang QZ. Therapeutic Potential of Polyphenols in Cardiac Fibrosis. Front Pharmacol 2018; 9:122. [PMID: 29497382 PMCID: PMC5818417 DOI: 10.3389/fphar.2018.00122] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 02/02/2018] [Indexed: 01/02/2023] Open
Abstract
Cardiac fibrosis, in response to injury and stress, is central to a broad constellation of cardiovascular diseases. Fibrosis decreases myocardial wall compliance due to extracellular matrix (ECM) accumulation, leading to impaired systolic and diastolic function and causing arrhythmogenesis. Although some conventional drugs, such as β-blockers and renin-angiotensin-aldosterone system (RAAS) inhibitors, have been shown to alleviate cardiac fibrosis in clinical trials, these traditional therapies do not tend to target all the fibrosis-associated mechanisms, and do not hamper the progression of cardiac fibrosis in patients with heart failure. Polyphenols are present in vegetables, fruits, and beverages and had been proposed as attenuators of cardiac fibrosis in different models of cardiovascular diseases. Together with results found in the literature, we can show that some polyphenols exert anti-fibrotic and myocardial protective effects by mediating inflammation, oxidative stress, and fibrotic molecular signals. This review considers an overview of the mechanisms of cardiac fibrosis, illustrates their involvement in different animal models of cardiac fibrosis treated with some polyphenols and projects the future direction and therapeutic potential of polyphenols on cardiac fibrosis.
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Affiliation(s)
- Ning Zhang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute of Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Wen-Ying Wei
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute of Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Ling-Li Li
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute of Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Can Hu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute of Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Qi-Zhu Tang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute of Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
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Yi EH, Xu F, Li P. (3R)-5,6,7-trihydroxy-3-isopropyl-3-methylisochroman-1-one alleviates lipoteichoic acid-induced photoreceptor cell damage. Cutan Ocul Toxicol 2017; 37:367-373. [PMID: 29171282 DOI: 10.1080/15569527.2017.1409753] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- En-Hui Yi
- Department of Ophthalmology, Xi'an Central Hospital, Xi'an, People’s Republic of China
| | - Feng Xu
- Department of Ophthalmology, Xi'an Children's Hospital, Xi'an, People’s Republic of China
| | - Peng Li
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi’an, People’s Republic of China
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Gutiérrez-Venegas G, Torras-Ceballos A, Gómez-Mora JA, Fernández-Rojas B. Luteolin, quercetin, genistein and quercetagetin inhibit the effects of lipopolysaccharide obtained from Porphyromonas gingivalis in H9c2 cardiomyoblasts. Cell Mol Biol Lett 2017; 22:19. [PMID: 28878808 PMCID: PMC5583969 DOI: 10.1186/s11658-017-0047-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 08/21/2017] [Indexed: 12/26/2022] Open
Abstract
Background One of the microorganisms from dental plaque associated with severe inflammatory responses in infectious endocarditis is Porphyromonas gingivalis. It is a Gram-negative bacteria harvested from chronic periodontitis patients. Lipopolysaccharide (LPS) obtained from P. gingivalis promotes the expressions of interleukin-1 (IL-1), IL-6 and tumor necrosis factor alpha (TNF-α). Flavonoids are thought to participate in processes that control inflammation, such as the expression of cyclooxygenase-2 (COX-2). Methods We investigated the effects of luteolin, quercetin, genistein and quercetagetin on cardiomyoblasts treated with LPS alone or in combination with following inhibitors p38 (SB203580), ERK (PD98059), JNK (SP600125) and PKC (Calphostin C) for 1 h. The kinase activation and COX-2 expression levels were determined at the gene and protein levels. Results These flavonoids are considered to inhibit the activation of mitogen-activated protein kinase (MAPK) and the degradation of inhibitor of kappa B-alpha (IκB-α). They also play a role in COX-2 expression. Conclusion We conclude that the tested flavonoids inhibit inflammatory responses induced by LPS in H9c2 cells.
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Affiliation(s)
- Gloria Gutiérrez-Venegas
- Laboratorio de Bioquímica de la División de Estudios de Posgrado de la Facultad de Odontología, Universidad Nacional Autónoma de México Ciudad Universitaria, 04510 México DF, Mexico
| | - Alfredo Torras-Ceballos
- Laboratorio de Bioquímica de la División de Estudios de Posgrado de la Facultad de Odontología, Universidad Nacional Autónoma de México Ciudad Universitaria, 04510 México DF, Mexico
| | - Juan Arturo Gómez-Mora
- Laboratorio de Bioquímica de la División de Estudios de Posgrado de la Facultad de Odontología, Universidad Nacional Autónoma de México Ciudad Universitaria, 04510 México DF, Mexico
| | - Berenice Fernández-Rojas
- Laboratorio de Bioquímica de la División de Estudios de Posgrado de la Facultad de Odontología, Universidad Nacional Autónoma de México Ciudad Universitaria, 04510 México DF, Mexico
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Baek HS, Park N, Kwon YJ, Ye DJ, Shin S, Chun YJ. Annexin A5 suppresses cyclooxygenase-2 expression by downregulating the protein kinase C-ζ-nuclear factor-κB signaling pathway in prostate cancer cells. Oncotarget 2017; 8:74263-74275. [PMID: 29088783 PMCID: PMC5650338 DOI: 10.18632/oncotarget.19392] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 06/17/2017] [Indexed: 12/17/2022] Open
Abstract
Annexin A5 (ANXA5) is a member of the annexin protein family. Previous studies have shown that ANXA5 is involved in anti-inflammation and cell death. However, the detailed mechanism of the role of ANXA5 in cancer cells is not well understood. In this study, we investigated the inhibitory effect of ANXA5 on cyclooxygenase-2 (COX-2) in prostate cancer cells. Expression of COX-2 induced by TNF-α was inhibited by overexpression of ANXA5 and inhibition of COX-2 expression by auranofin, which could induce ANXA5 expression, was restored by ANXA5 knockdown. In addition, ANXA5 knockdown induces phosphorylation of NF-κB p65 in prostate cancer cells, indicating that ANXA5 causes COX-2 downregulation through inhibition of p65 activation. We also found that protein kinase C (PKC)-ζ protein levels were upregulated by the inhibition of ANXA5, although the mRNA levels were unaffected. We have shown that upregulated COX-2 expression by inhibition of ANXA5 is attenuated by PKC-ζ siRNA. In summary, this study demonstrates that downregulation of PKC-ζ-NF-κB signaling by ANXA5 may inhibit COX-2 expression in prostate cancer.
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Affiliation(s)
- Hyoung-Seok Baek
- College of Pharmacy and Center for Metareceptome Research, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Nahee Park
- College of Pharmacy and Center for Metareceptome Research, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Yeo-Jung Kwon
- College of Pharmacy and Center for Metareceptome Research, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Dong-Jin Ye
- College of Pharmacy and Center for Metareceptome Research, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Sangyun Shin
- College of Pharmacy and Center for Metareceptome Research, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Young-Jin Chun
- College of Pharmacy and Center for Metareceptome Research, Chung-Ang University, Seoul 06974, Republic of Korea
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