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Vegda HS, Patel B, Girdhar GA, Pathan MSH, Ahmad R, Haque M, Sinha S, Kumar S. Role of Nonalcoholic Fatty Liver Disease in Periodontitis: A Bidirectional Relationship. Cureus 2024; 16:e63775. [PMID: 39100036 PMCID: PMC11297857 DOI: 10.7759/cureus.63775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2024] [Accepted: 07/03/2024] [Indexed: 08/06/2024] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) and periodontitis share common risk factors such as obesity, insulin resistance (IR), and dyslipidemia, which contribute to systemic inflammation. It has been suggested that a bidirectional relationship exists between NAFLD and periodontitis, indicating that one condition may exacerbate the other. NAFLD is characterized by excessive fat deposition in the liver and is associated with low-grade chronic inflammation. There are several risk factors for the development of NAFLD, including gender, geriatric community, race, ethnicity, poor sleep quality and sleep deprivation, physical activity, nutritional status, dysbiosis gut microbiota, increased oxidative stress, overweight, obesity, higher body mass index (BMI), IR, type 2 diabetes mellitus (T2DM), metabolic syndrome (MetS), dyslipidemia (hypercholesterolemia), and sarcopenia (decreased skeletal muscle mass). This systemic inflammation can contribute to the progression of periodontitis by impairing immune responses and exacerbating the inflammatory processes in the periodontal tissues. Furthermore, individuals with NAFLD often exhibit altered lipid metabolism, which may affect oral microbiota composition, leading to dysbiosis and increased susceptibility to periodontal disease. Conversely, periodontitis has been linked to the progression of NAFLD through mechanisms involving systemic inflammation and oxidative stress. Chronic periodontal inflammation can release pro-inflammatory cytokines and bacterial toxins into the bloodstream, contributing to liver inflammation and exacerbating hepatic steatosis. Moreover, periodontitis-induced oxidative stress may promote hepatic lipid accumulation and IR, further aggravating NAFLD. The interplay between NAFLD and periodontitis underscores the importance of comprehensive management strategies targeting both conditions. Lifestyle modifications such as regular exercise, a healthy diet, and proper oral hygiene practices are crucial for preventing and managing these interconnected diseases. Additionally, interdisciplinary collaboration between hepatologists and periodontists is essential for optimizing patient care and improving outcomes in individuals with NAFLD and periodontitis.
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Affiliation(s)
- Hardika S Vegda
- Department of Periodontology and Implantology, School of Dentistry, Karnavati University, Gandhinagar, IND
| | - Bhavin Patel
- Department of Periodontology and Implantology, School of Dentistry, Karnavati University, Gandhinagar, IND
| | - Gaurav A Girdhar
- Department of Periodontology and Implantology, School of Dentistry, Karnavati University, Gandhinagar, IND
| | - Mohd Shabankhan H Pathan
- Department of Periodontology and Implantology, School of Dentistry, Karnavati University, Gandhinagar, IND
| | - Rahnuma Ahmad
- Department of Physiology, Medical College for Women and Hospital, Dhaka, BGD
| | - Mainul Haque
- Department of Research, Karnavati Scientific Research Center (KSRC) School of Dentistry, Karnavati University, Gandhinagar, IND
- Department of Pharmacology and Therapeutics, National Defence University of Malaysia, Kuala Lumpur, MYS
| | - Susmita Sinha
- Department of Physiology, Enam Medical College and Hospital, Dhaka, BGD
| | - Santosh Kumar
- Department of Periodontology and Implantology, School of Dentistry, Karnavati University, Gandhinagar, IND
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Wan SS, Li XY, Liu SR, Tang S. The function of carnosic acid in lipopolysaccharides-induced hepatic and intestinal inflammation in poultry. Poult Sci 2024; 103:103415. [PMID: 38215508 PMCID: PMC10821594 DOI: 10.1016/j.psj.2023.103415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 12/26/2023] [Accepted: 12/27/2023] [Indexed: 01/14/2024] Open
Abstract
Inflammatory processes are often accompanied by oxidative stress and lipid peroxidation, which might lead to cellular and organ damage. Carnosic acid (CA), an active component found in rosemary, exhibits pharmacological properties including antioxidative, anti-inflammatory, and antiviral effects. The aim of this research was to investigate whether CA can mitigate lipopolysaccharide (LPS)-induced oxidative stress and inflammatory responses in poultry and to understand its underlying mechanisms. We administered CA to broiler chickens via oral gavage and treated them with LPS, followed by analysis of the effects of different dosages of CA on body weight, antioxidative capacity, and inflammatory factors. Carnosic acid had no significant impact on the body weight of broiler chickens. However, serum analysis indicated that the middle dose of CA effectively enhanced the antioxidative capacity and reduced levels of oxidative stress and inflammation-related factors. Moreover, in the liver, CA demonstrated the ability to regulate the expression of proteins such as heat shock protein 60 (HSP60), heat shock protein 70 (HSP70), and P38 mitogen-activated protein kinase (P38), suggesting its protective role against liver damage induced by LPS. In the intestinal tract of broiler chickens, CA regulated the expression and localization of proteins including HSP60, HSP70, NFE2 like bZIP transcription factor 2 (Nrf2), and P38, while also influencing the expression of inflammatory markers such as protein tyrosine phosphatase receptor type C (CD45), and connexin (Cx). These findings revealed the potential protective mechanisms of CA in alleviating oxidative stress and inflammatory damage induced by LPS in poultry. Carnosic acid notably enhanced the chickens' antioxidative capacity by modulating the expression of key proteins, thereby reducing oxidative stress and inflammatory response levels. This study provides a deeper comprehension of the protective mechanisms of CA and its potential impact on avian health.
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Affiliation(s)
- Shuang-Shuang Wan
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Xue-Yuan Li
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Si-Rui Liu
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Shu Tang
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China.
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Chang L, Li M, Zhu Y, Fu Y, Li T, Zhao J, Lv Y, Zhang C, Zhu M, Li Z, Zhao W. Omics-based investigation of pathological liver injury induced by Echinococcus multilocularis infection in mice. Acta Trop 2024; 250:107083. [PMID: 38070722 DOI: 10.1016/j.actatropica.2023.107083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 11/10/2023] [Accepted: 11/25/2023] [Indexed: 01/13/2024]
Abstract
BACKGROUND Alveolar echinococcosis (AE) can cause severe liver injury and be fatal if left untreated. Currently, there are no effective therapeutic options for AE-induced liver injury. Therefore, by exploring the changes of gene proteins in mice with damaged liver, we attempted to identify the key molecules of liver damage, and provide data that will enable the development of drugs targeting hepatic AE. METHODS BALB/c mice were inoculated with protoscoleces via the hepatic portal vein. Three months later, B-ultrasound examination and Hematoxylin-eosin (H&E) staining were used to confirm liver damage in mice. RNA sequencing and Liquid chromatography-mass spectrometry (LC-MS) were used to screen differentially expressed molecules associated with liver damage through bioinformatics, and Quantitative Real-Time PCR (qRT-PCR) was used to verify their expression. RESULTS B-ultrasound examination showed liver lesions in the infected group, and H&E staining showed liver inflammation, fibrosis and liver necrosis. RNA sequencing and LC-MS results showed changes in the levels of more than 1000 genes and proteins, with upregulation of immune and inflammation pathways. By contrast, the downregulated genes and proteins were mostly involved in various metabolic reactions. Correlation analysis was conducted between the transcriptome data and proteome data. The results revealed 240 differentially expressed genes, of which 192 were upregulated, and 48 were downregulated. Many of these genes were involved in metabolic reactions, such as Catalase (Cat), fatty acid synthase (Fasn), and IL-16 genes, which may have relevance to liver injury. The results of qRT-PCR were consistent with those of bioinformatics analysis. CONCLUSIONS The mechanisms of liver injury in mice infected with Echinococcus multilocularis are complex, involving abnormal metabolism, oxidative stress, inflammatory response, and many other factors. This study provides the data for preliminary exploration for the development of targeted therapies against AE.
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Affiliation(s)
- Liangliang Chang
- School of Basic Medicine, Ningxia Medical University, Yinchuan Ningxia China; Ningxia Key Laboratory of Infectious Disease Prevention and Control, Ningxia Medical University, Yinchuan Ningxia China
| | - Ming Li
- Department of Hepatobiliary Surgery, General Hospital of Ningxia Medical University, Yinchuan Ningxia China; Ningxia Key Laboratory of Infectious Disease Prevention and Control, Ningxia Medical University, Yinchuan Ningxia China
| | - Yazhou Zhu
- School of Basic Medicine, Ningxia Medical University, Yinchuan Ningxia China; Ningxia Key Laboratory of Infectious Disease Prevention and Control, Ningxia Medical University, Yinchuan Ningxia China
| | - Yong Fu
- Qinghai University, Xining Qinghai China
| | - Tao Li
- Department of Hepatobiliary Surgery, General Hospital of Ningxia Medical University, Yinchuan Ningxia China; Ningxia Key Laboratory of Infectious Disease Prevention and Control, Ningxia Medical University, Yinchuan Ningxia China
| | - Jiaqing Zhao
- Ningxia Key Laboratory of Infectious Disease Prevention and Control, Ningxia Medical University, Yinchuan Ningxia China
| | - Yongxue Lv
- School of Basic Medicine, Ningxia Medical University, Yinchuan Ningxia China; Ningxia Key Laboratory of Infectious Disease Prevention and Control, Ningxia Medical University, Yinchuan Ningxia China
| | - Cuiying Zhang
- School of Basic Medicine, Ningxia Medical University, Yinchuan Ningxia China; Ningxia Key Laboratory of Infectious Disease Prevention and Control, Ningxia Medical University, Yinchuan Ningxia China
| | - Mingxing Zhu
- Ningxia Key Laboratory of Infectious Disease Prevention and Control, Ningxia Medical University, Yinchuan Ningxia China
| | - Zihua Li
- Ningxia Key Laboratory of Infectious Disease Prevention and Control, Ningxia Medical University, Yinchuan Ningxia China
| | - Wei Zhao
- School of Basic Medicine, Ningxia Medical University, Yinchuan Ningxia China; Ningxia Key Laboratory of Infectious Disease Prevention and Control, Ningxia Medical University, Yinchuan Ningxia China.
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Shen F, Niu M, Chen H, Zhang T, Li J, Tong H, Wu Y. Nonlinear proinflammatory effect of short-term PM 2.5 exposure: A potential role of lipopolysaccharide. J Environ Sci (China) 2024; 136:292-300. [PMID: 37923439 DOI: 10.1016/j.jes.2022.10.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 10/12/2022] [Accepted: 10/14/2022] [Indexed: 11/07/2023]
Abstract
The association between PM2.5 (particulate matter ≤ 2.5 µm) short-term exposure and its health effect is non-linear from the epidemiological studies. And this nonlinearity is suggested to be related with the PM2.5 heterogeneity, however, the underlying biological mechanism is still unclear. Here, a total of 38 PM2.5 filters were collected continuously for three weeks in winter Beijing, with the ambient PM2.5 varying between 10 and 270 µg/m3. Human monocytes-derived macrophages (THP-1) were treated with PM2.5 water-soluble elutes at 10 µg/mL to investigate the PM2.5 short-term exposure effect from a proinflammatory perspective. The proinflammatory cytokine tumor necrosis factor (TNF) induced by the PM2.5 elutes at equal concentrations were unequal, showing the heterogeneity of PM2.5 proinflammatory potentials. Of the various chemical and biological components, lipopolysaccharide (LPS) showed a strong positive association with the TNF heterogeneity. However, some outliers were observed among the TNF-LPS association. Specifically, for PM2.5 from relatively clean air episodes, the higher LPS amount corresponded to relatively low TNF levels. And this phenomenon was also observed in the promotion tests by treating macrophages with PM2.5 elutes dosed with additional trace LPS. Gene expression analysis indicated the involvement of oxidative-stress related genes in the LPS signaling pathway. Therefore, a potential oxidative-stress-mediated suppression on the PM2.5-borne LPS proinflammatory effect was proposed to be accounted for the outliers. Overall, the results showed the differential role of LPS in the heterogeneity of PM2.5 proinflammatory effects from a component-based perspective. Future experimental studies are needed to elucidate the signaling pathway of LPS attached on PM2.5 from different air quality episodes.
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Affiliation(s)
- Fangxia Shen
- School of Space and Environment, Beihang University, Beijing 100191, China.
| | - Mutong Niu
- School of Space and Environment, Beihang University, Beijing 100191, China
| | - Haoxuan Chen
- College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Ting Zhang
- College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Jing Li
- College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Haijie Tong
- Institute of Surface Science, Helmholtz-Zentrum Hereon, Geesthacht 21502, Germany
| | - Yan Wu
- School of Environmental Science and Engineering, Shandong University, Jinan 250100, China
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Lee Y, Jang HR, Lee D, Lee J, Jung HR, Cho SY, Lee HY. Graphislactone A, a Fungal Antioxidant Metabolite, Reduces Lipogenesis and Protects against Diet-Induced Hepatic Steatosis in Mice. Int J Mol Sci 2024; 25:1096. [PMID: 38256169 PMCID: PMC10816634 DOI: 10.3390/ijms25021096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/12/2024] [Accepted: 01/14/2024] [Indexed: 01/24/2024] Open
Abstract
Graphislactone A (GPA), a secondary metabolite derived from a mycobiont found in the lichens of the genus Graphis, exhibits antioxidant properties. However, the potential biological functions and therapeutic applications of GPA at the cellular and animal levels have not yet been investigated. In the present study, we explored the therapeutic potential of GPA in mitigating non-alcoholic fatty liver disease (NAFLD) and its underlying mechanisms through a series of experiments using various cell lines and animal models. GPA demonstrated antioxidant capacity on a par with that of vitamin C in cultured hepatocytes and reduced the inflammatory response induced by lipopolysaccharide in primary macrophages. However, in animal studies using an NAFLD mouse model, GPA had a milder impact on liver inflammation while markedly attenuating hepatic steatosis. This effect was confirmed in an animal model of early fatty liver disease without inflammation. Mechanistically, GPA inhibited lipogenesis rather than fat oxidation in cultured hepatocytes. Similarly, RNA sequencing data revealed intriguing associations between GPA and the adipogenic pathways during adipocyte differentiation. GPA effectively reduced lipid accumulation and suppressed lipogenic gene expression in AML12 hepatocytes and 3T3-L1 adipocytes. In summary, our study demonstrates the potential application of GPA to protect against hepatic steatosis in vivo and suggests a novel role for GPA as an underlying mechanism in lipogenesis, paving the way for future exploration of its therapeutic potential.
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Affiliation(s)
- Yeonmi Lee
- Laboratory of Mitochondria and Metabolic Diseases, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
| | - Hye-Rim Jang
- Laboratory of Mitochondria and Metabolic Diseases, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
| | - Dongjin Lee
- Laboratory of Mitochondria and Metabolic Diseases, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
| | - Jongjun Lee
- Laboratory of Mitochondria and Metabolic Diseases, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
- Department of Health Sciences and Technology, Gachon Advanced Institute for Health Sciences and Technology (GAIHST), Gachon University, Incheon 21999, Republic of Korea
| | - Hae-Rim Jung
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul 03080, Republic of Korea (S.-Y.C.)
| | - Sung-Yup Cho
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul 03080, Republic of Korea (S.-Y.C.)
- Department of Biomedical Sciences, College of Medicine, Seoul National University, Seoul 03080, Republic of Korea
| | - Hui-Young Lee
- Laboratory of Mitochondria and Metabolic Diseases, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
- Division of Molecular Medicine, Department of Medicine, College of Medicine, Gachon University, Incheon 21936, Republic of Korea
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Kılıç GA, Alsafi M. β-Glucan Regulates Lipopolysaccharide Induced Genotoxic Damage to The Liver through The Induction of BRCA1 Protein Expression. CELL JOURNAL 2023; 25:645-654. [PMID: 37718767 PMCID: PMC10520986 DOI: 10.22074/cellj.2023.1989382.1226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 04/20/2023] [Accepted: 05/14/2023] [Indexed: 09/19/2023]
Abstract
OBJECTIVE The present study aims to investigate the role of breast cancer-susceptibility gene 1 (BRCA1) protein in the β-Glucan (βG) molecule mediated regulation of lipopolysaccharide (LPS)-induced liver genotoxicity. MATERIALS AND METHODS In this experimental study, totally, 32 male Swiss Albino mice were randomly divided into 4 equal groups: control (C), LPS-administered (LPS), βG-administered (βG) and βG-pre-administered/LPS-administered (βG+LPS). The βG was injected at the dose of 150 mg/kg/day intraperitoneally (i.p.) for 3 days. A single dose of 4 mg/ kg (i.p.) LPS was administered 24 hours after the last βG injection. BRCA1 expression was determined by western blot analysis and confirmed by quantitative immunofluorescence. Proliferating cell nuclear antigen (PCNA), nuclear factor erythroid 2-related factor (Nrf2) and 8-OHdG protein levels were also determined by the immunofluorescence analysis. The alkaline comet assay was performed. superoxide dismutase (SOD), catalase (CAT) and membrane lipid peroxidation were biochemically measured, and light microscopic histology was evaluated. RESULTS The BRCA1 expression level was significantly decreased in the LPS group. However, in the βG+LPS group, expression of BRCA1 protein was over 2 folds higher than the control. After the LPS induction, the DNA strand breaks, oxidative DNA lesions and abnormal proliferation of the liver cells were almost entirely suppressed in βG preadministrated animals, indicating the BRCA1 mediated ubiquitination of PCNA and activation of the DNA damage repair pathways. Activation of Nrf2 in the βG+LPS group resulted in an increase in the levels of Nrf2 pathway dependent antioxidant enzymes SOD and CAT, prevented the peroxidation of membrane lipids and maintained the histological architecture of the liver. CONCLUSION The results manifested that the βG is a strong inducer of the BRCA1 protein expression in the LPSinduced hepatic stress and the protein constitutes the key component of a βG mediated liver protection against an LPS-induced genotoxic and pathological damage.
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Affiliation(s)
- Gözde Aydoğan Kılıç
- Department of Biology, Faculty of Science, Eskişehir Technical University, Eskişehir, Turkey
| | - Mojahed Alsafi
- Department of Biology, Faculty of Science, Eskişehir Technical University, Eskişehir, Turkey
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Skibska B, Kochan E, Stanczak A, Lipert A, Skibska A. Antioxidant and Anti-inflammatory Effects of α-Lipoic Acid on Lipopolysaccharide-induced Oxidative Stress in Rat Kidney. Arch Immunol Ther Exp (Warsz) 2023; 71:16. [PMID: 37378741 DOI: 10.1007/s00005-023-00682-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 05/17/2023] [Indexed: 06/29/2023]
Abstract
α-Lipoic acid (α-LA) is a naturally occurring organosulfur component. Oxidative stress plays an essential role in the pathogenesis of various diseases, such as kidney and cardiovascular diseases, diabetes, neurodegenerative disorders, cancer and aging. Kidneys are especially vulnerable to oxidative stress and damage. The aim of the study was to evaluate the effect of α-LA on lipopolysaccharide (LPS)-induced oxidative stress parameters in rat kidneys. The experimental rats were divided into four groups: I-control (0.9% NaCl i.v.); II-α-LA (60 mg/kg b.w. i.v.); III-LPS (30 mg/kg b.w. i.v.); and IV-LPS + LA (30 mg/kg b.w. i.v. and 60 mg/kg b.w. i.v., respectively). In kidney homogenates the concentration of thiobarbituric acid reactive substances (TBARS), hydrogen peroxide (H2O2), sulfhydryl groups (-SH), total protein, superoxide dismutase (SOD), total glutathione (tGSH), reduced glutathione (GSH), glutathione disulphide (GSSG) and the GSH/GSSG ratio were determined. In addition, the levels of tumour necrosis factor (TNF)-α, and interleukin (IL)-6 were measured to assess inflammation and was estimated kidney oedema. Studies have shown that α-LA administered after LPS administration attenuated kidney oedema and significantly decreased TBARS, H2O2, TNF-α, and IL-6 levels in rat kidneys. α-LA also resulted in increase -SH group, total protein, and SOD levels and ameliorated the GSH redox status when compared to the LPS group. The results suggest that α-LA plays an important role against LPS-induced oxidative stress in kidney tissue as well as downregulating the expression of pro-inflammatory cytokines.
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Affiliation(s)
- Beata Skibska
- Department of Applied Pharmacy, Faculty of Pharmacy, Medical University of Lodz, Lodz, Poland.
| | - Ewa Kochan
- Department of Pharmaceutical Biotechnology, Medical University of Lodz, Lodz, Poland
| | - Andrzej Stanczak
- Department of Applied Pharmacy, Faculty of Pharmacy, Medical University of Lodz, Lodz, Poland
| | - Anna Lipert
- Department of Sports Medicine, Medical University of Lodz, Lodz, Poland
| | - Agnieszka Skibska
- Department of Biomolecular Chemistry, Medical University of Lodz, Lodz, Poland
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Moreira LKDS, Turones LC, Campos HM, Nazareth AM, Thomaz DV, Gil EDS, Ghedini PC, Rocha FFD, Menegatti R, Fajemiroye JO, Costa EA. LQFM212, a piperazine derivative, exhibits potential antioxidant effect as well as ameliorates LPS-induced behavioral, inflammatory and oxidative changes. Life Sci 2022; 312:121199. [PMID: 36402170 DOI: 10.1016/j.lfs.2022.121199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/11/2022] [Accepted: 11/12/2022] [Indexed: 11/19/2022]
Abstract
AIMS Oxidative stress, impaired antioxidant defense and neuroinflammation are often associated with the onset and progression of neuropsychiatric diseases. Conversely, several piperazine compounds presents beneficial neuropharmacological effects as well as antioxidant activity, and some derivatives combine both activities. LQFM212 (2,6-di-tert-butyl-4-((4-(2-hydroxyethyl)piperazin-1-yl)methyl)phenol) was synthesized to produce effects on CNS and to have an additional antioxidant effect. Previous preclinical tests have been shown anxiolytic- and antidepressant-like effects of LQFM212 in mice. Herein, the main objective was to verify the possible antioxidant potential and the effects of LQFM212 against behavioral changes, inflammatory and oxidative markers induced by lipopolysaccharide (LPS). MAIN METHODS Initially, antioxidant potential of LQFM212 was evaluated by electrochemical assays. Afterwards, the effects of oral treatment with LQFM212 were evaluated in mice using LPS-induced models of systemic or local inflammation. KEY FINDINGS In LPS-induced neuroinflammation, LQFM212 treatment reverted changes caused by LPS, demonstrated by attenuated anxiogenic- and depressive-like behaviors, reduced pro-inflammatory cytokines (TNF-α and IL-1β) and increased anti-inflammatory cytokines (IL-4 and IL-10) on serum, and also improved oxidative stress-related changes (levels of nitrite, malondialdehyde, glutathione and carbonylated protein, and superoxide dismutase, catalase, myeloperoxidase and cholinesterase activities) on brain cortex and hippocampus. However, LQFM212 treatment did not attenuate the inflammatory changes in LPS-induced pleurisy model. SIGNIFICANCE LQFM212 presents antioxidant activity and ameliorates behavioral, inflammatory and oxidative changes after LPS-induced neuroinflammation model. These effects do not seem to be secondary to a peripheral anti-inflammatory action of LQFM212, since this compound failed to attenuate the inflammatory changes in LPS-induced pleurisy model.
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Affiliation(s)
- Lorrane Kelle da Silva Moreira
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | - Larissa Córdova Turones
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | - Hericles Mesquita Campos
- Laboratory of Biochemical and Molecular Pharmacology, Institute of Biological Sciences, Federal University of Goias, Campus Samambaia, Goiânia, GO, Brazil
| | - Aline Martins Nazareth
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | - Douglas Vieira Thomaz
- Laboratory of Medicinal Pharmaceutical Chemistry, Faculty of Pharmacy, Federal University of Goiás, Goiânia, GO, Brazil
| | - Eric de Souza Gil
- Laboratory of Medicinal Pharmaceutical Chemistry, Faculty of Pharmacy, Federal University of Goiás, Goiânia, GO, Brazil
| | - Paulo César Ghedini
- Laboratory of Biochemical and Molecular Pharmacology, Institute of Biological Sciences, Federal University of Goias, Campus Samambaia, Goiânia, GO, Brazil
| | - Fábio Fagundes da Rocha
- Department of Physiological Sciences, Institute of Biology, Federal Rural University of Rio de Janeiro, Seropédica, RJ, Brazil
| | - Ricardo Menegatti
- Laboratory of Medicinal Pharmaceutical Chemistry, Faculty of Pharmacy, Federal University of Goiás, Goiânia, GO, Brazil
| | - James Oluwagbamigbe Fajemiroye
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | - Elson Alves Costa
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil.
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Xu T, Zhu H, Liu R, Wu X, Chang G, Yang Y, Yang Z. The protective role of caffeic acid on bovine mammary epithelial cells and the inhibition of growth and biofilm formation of Gram-negative bacteria isolated from clinical mastitis milk. Front Immunol 2022; 13:1005430. [PMID: 36341408 PMCID: PMC9632277 DOI: 10.3389/fimmu.2022.1005430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 09/23/2022] [Indexed: 11/25/2022] Open
Abstract
As a first-line barrier against bacterial infection of mammary tissues, bovine mammary epithelial cells (bMECs) are generally believed to be involved in the immune response due to exogenous stress. Due to the escalating crisis of antibiotic resistance, there is an urgent need for new strategies to combat pathogenic bacteria-infected bovine mastitis. In this study, isolated bMECs and Institute of Cancer Research (ICR) mice were used for Escherichia coli infection and caffeic acid (CA) pretreatment experiments in vitro and in vivo. The inhibitory effect of CA on bacterial growth and biofilm formation was also demonstrated with bacteria strains isolated from mastitis-infected milk. It was demonstrated that CA supplementation prohibits the growth of the predominant strains of bacteria isolated from clinical bovine mastitis milk samples. CA was found to disrupt the biofilm formation of E. coli B1 in a sub-minimum inhibitory concentration (sub-MIC) and inhibited the adherence property of E. coli on bMECs by decreasing the staining of bacteria on cell surfaces in vitro. In addition, CA was found to attenuate proinflammatory and oxidative responses in cells infected with E. coli. The pretreatment of bMECs with CA also restored altered lipid homeostasis caused by E. coli stimulation. The protective role of CA was further confirmed via the administration of CA in mice followed by representative Gram-negative bacterial infection. Collectively, these findings highlight the potential of CA to mediate Gram-negative infections and indicate that it has the potential to be developed as a novel antibacterial drug.
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Affiliation(s)
- Tianle Xu
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Ministry of Education of China, Yangzhou University, Yangzhou, China
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Hao Zhu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Run Liu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Xinyue Wu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Guangjun Chang
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Yi Yang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Zhangping Yang
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Ministry of Education of China, Yangzhou University, Yangzhou, China
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
- *Correspondence: Zhangping Yang,
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