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Mashayekhi-Sardoo H, Rezaee R, Riahi-Zanjani B, Karimi G. Alleviation of microcystin-leucine arginine -induced hepatotoxicity: An updated overview. Toxicon 2024; 243:107715. [PMID: 38636613 DOI: 10.1016/j.toxicon.2024.107715] [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: 12/15/2023] [Revised: 04/04/2024] [Accepted: 04/09/2024] [Indexed: 04/20/2024]
Abstract
OBJECTIVES Contamination of surface waters is a major health threat for all living creatures. Some types of blue-green algae that naturally occur in fresh water, are able to produce various toxins, like Microcystins (MCs). Microcystin-leucine arginine (MC-LR) produced by Microcystis aeruginosa is the most toxic and abundant isoforms of MCs, and it causes hepatotoxicity. The present article reviews preclinical experiments examined different treatments, including herbal derivatives, dietary supplements and drugs against MC-LR hepatotoxicity. METHODS We searched scientific databases Web of Science, Embase, Medline (PubMed), Scopus, and Google Scholar using relevant keywords to find suitable studies until November 2023. RESULTS MC-LR through Organic anion transporting polypeptide superfamily transporters (OATPs) penetrates and accumulates in hepatocytes, and it inhibits protein phosphatases (PP1 and PP2A). Consequently, MC-LR disturbs many signaling pathways and induces oxidative stress thus damages cellular macromolecules. Some protective agents, especially plants rich in flavonoids, and natural supplements, as well as chemoprotectants were shown to diminish MC-LR hepatotoxicity. CONCLUSION The reviewed agents through blocking the OATP transporters (nontoxic nostocyclopeptide-M1, captopril, and naringin), then inhibition of MC-LR uptake (naringin, rifampin, cyclosporin-A, silymarin and captopril), and finally at restoration of PPAse activity (silybin, quercetin, morin, naringin, rifampin, captopril, azo dyes) exert hepatoprotective effect against MC-LR.
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Affiliation(s)
- Habibeh Mashayekhi-Sardoo
- Bio Environmental Health Hazard Research Center, Jiroft University of Medical Sciences, Jiroft, Iran; Jiroft University of Medical Sciences, Jiroft, Iran.
| | - Ramin Rezaee
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Bamdad Riahi-Zanjani
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Gholamreza Karimi
- Pharmaceutical Research Center, Institute of Pharmaceutical Technology, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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Badibostan H, Eizadi-Mood N, Hayes AW, Karimi G. Protective effects of natural compounds against paraquat-induced pulmonary toxicity: the role of the Nrf2/ARE signaling pathway. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024; 34:611-624. [PMID: 36682065 DOI: 10.1080/09603123.2022.2163985] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 12/27/2022] [Indexed: 06/17/2023]
Abstract
Paraquat (PQ) is a toxic herbicide to humans. Once absorbed, it accumulates in the lungs. PQ has been well documented that the generation of reactive oxygen species (ROS) is the main mechanism of its toxicity. Oxidative damage of PQ in lungs is represented as generation of cytotoxic and fibrotic mediators, interruption of epithelial and endothelial barriers, and inflammatory cell infiltration. No effective treatment for PQ toxicity is currently available. Several studies have shown that natural compounds (NCs) have the potential to alleviate PQ-induced pulmonary toxicity, due to their antioxidant and anti-inflammatory effects. NCs function as protective agents through stimulation of nuclear factor erythroid 2-related factor 2 (Nrf2)/antioxidant response element (ARE) signaling pathways. Elevation of Nrf2 levels leads to the expression of its downstream enzymes such as SOD, CAT, and HO-1. The hypothesized role of the Nrf2/ARE signaling pathway as the protective mechanism of NCs against PQ-induced pulmonary toxicity is reviewed.
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Affiliation(s)
- Hasan Badibostan
- Isfahan Clinical Toxicology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nastaran Eizadi-Mood
- Isfahan Clinical Toxicology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - A Wallace Hayes
- Center for Environmental Occupational Risk Analysis and Management, College of Public Health, University of South Florida, Tampa, FL, USA
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, USA
| | - Gholamreza Karimi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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Etemadi Y, Akakpo JY, Ramachandran A, Jaeschke H. Nrf2 as a therapeutic target in acetaminophen hepatotoxicity: A case study with sulforaphane. J Biochem Mol Toxicol 2023; 37:e23505. [PMID: 37598316 PMCID: PMC10842847 DOI: 10.1002/jbt.23505] [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: 04/10/2023] [Revised: 07/24/2023] [Accepted: 08/09/2023] [Indexed: 08/21/2023]
Abstract
Acetaminophen (APAP) overdose can cause severe liver injury and acute liver failure. The only clinically approved antidote, N-acetylcysteine (NAC), is highly effective but has a narrow therapeutic window. In the last 2 decades, activation of the transcription factor nuclear factor erythroid 2-related factor 2 (Nrf2), which regulates acute phase proteins and antioxidant defense genes, has emerged as a putative new therapeutic target against APAP hepatotoxicity. However, virtually all studies that propose Nrf2 activation as mechanism of protection used prolonged pretreatment, which is not a clinically feasible approach to treat a drug overdose. Therefore, the objective of this study was to assess if therapeutic activation of Nrf2 is a viable approach to treat liver injury after APAP overdose. We used the water-soluble Nrf2 activator sulforaphane (SFN; 5 mg/kg) in a murine model of APAP hepatotoxicity (300 mg/kg). Our results indicate that short-term treatment (≤3 h) with SFN alone did not activate Nrf2 or its target genes. However, posttreatment with SFN after APAP partially protected at 6 h likely due to more rapid activation of the Nrf2-target gene heme oxygenase-1. A direct comparison of SFN with NAC given at 1 h after APAP showed a superior protection with NAC, which was maintained at 24 h unlike with SFN. Thus, Nrf2 activators have inherent problems like the need to create a cellular stress to activate Nrf2 and delayed adaptive responses which may hamper sustained protection against APAP hepatotoxicity. Thus, compared to the more direct acting antidote NAC, Nrf2 activators are less suitable for this indication.
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Affiliation(s)
- Yasaman Etemadi
- Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Jephte Y Akakpo
- Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Anup Ramachandran
- Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Hartmut Jaeschke
- Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas, USA
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Ruiz de Porras V, Figols M, Font A, Pardina E. Curcumin as a hepatoprotective agent against chemotherapy-induced liver injury. Life Sci 2023; 332:122119. [PMID: 37741319 DOI: 10.1016/j.lfs.2023.122119] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/20/2023] [Accepted: 09/20/2023] [Indexed: 09/25/2023]
Abstract
Despite significant advances in cancer therapeutics, chemotherapy remains the cornerstone of treatment for many tumors. Importantly, however, chemotherapy-induced toxicity, including hepatotoxicity, can lead to the interruption or discontinuation of potentially effective therapy. In recent years, special attention has been paid to the search for complementary therapies to mitigate chemotherapy-induced toxicity. Although there is currently a lack of specific interventions to mitigate or prevent hepatotoxicity in chemotherapy-treated patients, the polyphenol compound curcumin has emerged as a potential strategy to overcome this adverse effect. Here we review, firstly, the molecular and physiological mechanisms and major risk factors of chemotherapy-induced hepatotoxicity. We then present an overview of how curcumin has the potential to mitigate hepatotoxicity by targeting specific molecular mechanisms. Hepatotoxicity is a well-described side effect of cytotoxic drugs that can limit their clinical application. Inflammation and oxidative stress are the most common mechanisms involved in hepatotoxicity. Several studies have shown that curcumin could prevent and/or palliate chemotherapy-induced liver injury, mainly due to its anti-inflammatory, antioxidant, antifibrotic and hypolipidemic properties. Further clinical investigation using bioavailable curcumin formulations is warranted to demonstrate its efficacy as an hepatoprotective agent in cancer patients.
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Affiliation(s)
- Vicenç Ruiz de Porras
- Grup de Recerca en Toxicologia (GRET), Unitat de Toxicologia, Departament de Farmacologia, Toxicologia i Química Terapèutica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Avda Joan XXIII s/n, 08028 Barcelona, Spain; CARE program, Germans Trias i Pujol Research Institute (IGTP), Camí de les Escoles, s/n, 08916, Badalona, Barcelona, Spain; Catalan Institute of Oncology, Badalona Applied Research Group in Oncology (B·ARGO), Camí de les Escoles, s/n, 08916, Badalona, Barcelona, Spain.
| | - Mariona Figols
- Medical Oncology Department, Althaia Xarxa Assistencial Universitària de Manresa, C/ Dr. Joan Soler, 1-3, 08243, Manresa, Barcelona, Spain
| | - Albert Font
- CARE program, Germans Trias i Pujol Research Institute (IGTP), Camí de les Escoles, s/n, 08916, Badalona, Barcelona, Spain; Catalan Institute of Oncology, Badalona Applied Research Group in Oncology (B·ARGO), Camí de les Escoles, s/n, 08916, Badalona, Barcelona, Spain; Medical Oncology Department, Catalan Institute of Oncology, Camí de les Escoles, s/n, 08916, Badalona, Barcelona, Spain
| | - Eva Pardina
- Departament de Bioquímica i Biomedicina Molecular, Facultat de Biologia, Universitat de Barcelona, Diagonal 643, 08028 Barcelona, Spain.
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Gao S, Chen X, Yu Z, Du R, Chen B, Wang Y, Cai X, Xu J, Chen J, Duan H, Cai Y, Zheng G. Progress of research on the role of active ingredients of Citri Reticulatae Pericarpium in liver injury. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 115:154836. [PMID: 37119760 DOI: 10.1016/j.phymed.2023.154836] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 04/01/2023] [Accepted: 04/18/2023] [Indexed: 05/21/2023]
Abstract
BACKGROUND Liver is a vital organ responsible for metabolizing and detoxifying both endogenous and exogenous substances in the body. However, it is susceptible to damage from chemical and natural toxins. The high incidence and mortality rates of liver disease and its associated complications impose a significant economic burden and survival pressure on patients and their families. Various liver diseases exist, including cholestasis, viral and non-viral hepatitis, fatty liver disease, drug-induced liver injury, alcoholic liver injury, and severe end-stage liver diseases such as cirrhosis, hepatocellular carcinoma (HCC), and cholangiocellular carcinoma (CCA). Recent research has shown that flavonoids found in Citri Reticulatae Pericarpium (CRP) have the potential to normalize blood glucose, cholesterol levels, and liver lipid levels. Additionally, these flavonoids exhibit anti-inflammatory properties, prevent oxidation and lipid peroxidation, and reduce liver toxicity, thereby preventing liver injury. Given these promising findings, it is essential to explore the potential of active components in CRP for developing new drugs to treat liver diseases. OBJECTIVE Recent studies have revealed that flavonoids, including hesperidin (HD), hesperetin (HT), naringenin (NIN), nobiletin (NOB), naringin (NRG), tangerine (TN), and erodcyol (ED), are the primary bioactive components in CRP. These flavonoids exhibit various therapeutic effects on liver injury, including anti-oxidative stress, anti-cytotoxicity, anti-inflammatory, anti-fibrosis, and anti-tumor mechanisms. In this review, we have summarized the research progress on the hepatoprotective effects of HD, HT, NIN, NOB, NRG, TN, ED and limonene (LIM), highlighting their underlying molecular mechanisms. Despite their promising effects, the current clinical application of these active ingredients in CRP has some limitations. Therefore, further studies are needed to explore the full potential of these flavonoids and develop new therapeutic strategies for liver diseases. METHODS For this review, we conducted a systematic search of three databases (ScienceNet, PubMed, and Science Direct) up to July 2022, using the search terms "CRP active ingredient," "liver injury," and "flavonoids." The search data followed the PRISMA standard. RESULTS Our findings indicate that flavonoids found in CRP can effectively reduce drug-induced liver injury, alcoholic liver injury, and non-alcoholic liver injury. These therapeutic effects are mainly attributed to the ability of flavonoids to improve liver resistance to oxidative stress and inflammation while normalizing cholesterol and liver lipid levels by exhibiting anti-free radical and anti-lipid peroxidation properties. CONCLUSION Our review provides new insights into the potential of active components in CRP for preventing and treating liver injury by regulating various molecular targets within different cell signaling pathways. This information can aid in the development of novel therapeutic strategies for liver disease.
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Affiliation(s)
- Shuhan Gao
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Xiaojing Chen
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Zhiqian Yu
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Rong Du
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Baizhong Chen
- Guangdong Xinbaotang Biological Technology Co., Ltd, Guangdong Jiangmen, 529000, China
| | - Yuxin Wang
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Xiaoting Cai
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Jiepei Xu
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Jiamin Chen
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Huiying Duan
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Yi Cai
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China.
| | - Guodong Zheng
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China.
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Ziółkiewicz A, Kasprzak-Drozd K, Rusinek R, Markut-Miotła E, Oniszczuk A. The Influence of Polyphenols on Atherosclerosis Development. Int J Mol Sci 2023; 24:ijms24087146. [PMID: 37108307 PMCID: PMC10139042 DOI: 10.3390/ijms24087146] [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: 03/20/2023] [Revised: 04/06/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023] Open
Abstract
Polyphenols have attracted tremendous attention due to their pro-health properties, including their antioxidant, anti-inflammatory, antibacterial and neuroprotective activities. Atherosclerosis is a vascular disorder underlying several CVDs. One of the main risk factors causing atherosclerosis is the type and quality of food consumed. Therefore, polyphenols represent promising agents in the prevention and treatment of atherosclerosis, as demonstrated by in vitro, animal, preclinical and clinical studies. However, most polyphenols cannot be absorbed directly by the small intestine. Gut microbiota play a crucial role in converting dietary polyphenols into absorbable bioactive substances. An increasing understanding of the field has confirmed that specific GM taxa strains mediate the gut microbiota-atherosclerosis axis. The present study explores the anti-atherosclerotic properties and associated underlying mechanisms of polyphenols. Moreover, it provides a basis for better understanding the relationship between dietary polyphenols, gut microbiota, and cardiovascular benefits.
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Affiliation(s)
- Agnieszka Ziółkiewicz
- Department of Inorganic Chemistry, Medical University of Lublin, Dr Wiotolda Chodźki 4a, 20-093 Lublin, Poland
| | - Kamila Kasprzak-Drozd
- Department of Inorganic Chemistry, Medical University of Lublin, Dr Wiotolda Chodźki 4a, 20-093 Lublin, Poland
| | - Robert Rusinek
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland
| | - Ewa Markut-Miotła
- Department of Lung Diseases and Children Rheumatology, Medical University of Lublin, Prof. Antoniego Gębali 6, 20-093 Lublin, Poland
| | - Anna Oniszczuk
- Department of Inorganic Chemistry, Medical University of Lublin, Dr Wiotolda Chodźki 4a, 20-093 Lublin, Poland
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Lee C, Yoon S, Moon JO. Kaempferol Suppresses Carbon Tetrachloride-Induced Liver Damage in Rats via the MAPKs/NF-κB and AMPK/Nrf2 Signaling Pathways. Int J Mol Sci 2023; 24:ijms24086900. [PMID: 37108064 PMCID: PMC10138912 DOI: 10.3390/ijms24086900] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/27/2023] [Accepted: 04/05/2023] [Indexed: 04/29/2023] Open
Abstract
Oxidative stress plays a critical role in the development of liver disease, making antioxidants a promising therapeutic approach for the prevention and management of liver injuries. The aim of this study was to investigate the hepatoprotective effects of kaempferol, an antioxidant flavonoid found in various edible vegetables, and its underlying mechanism in male Sprague-Dawley rats with carbon tetrachloride (CCl4)-induced acute liver damage. Oral administration of kaempferol at doses of 5 and 10 mg/kg body weight resulted in the amelioration of CCl4-induced abnormalities in hepatic histology and serum parameters. Additionally, kaempferol decreased the levels of pro-inflammatory mediators, TNF-α and IL-1β, as well as COX-2 and iNOS. Furthermore, kaempferol suppressed nuclear factor-kappa B (NF-κB) p65 activation, as well as the phosphorylation of Akt and mitogen-activated protein kinase members (MAPKs), including extracellular signal-regulated kinase, c-Jun NH2-terminal kinase, and p38 in CCl4-intoxicated rats. In addition, kaempferol improved the imbalanced oxidative status, as evidenced by the reduction in reactive oxygen species levels and lipid peroxidation, along with increased glutathione content in the CCl4-treated rat liver. Administering kaempferol also enhanced the activation of nuclear factor-E2-related factor (Nrf2) and heme oxygenase-1 protein, as well as the phosphorylation of AMP-activated protein kinase (AMPK). Overall, these findings suggest that kaempferol exhibits antioxidative, anti-inflammatory, and hepatoprotective effects through inhibiting the MAPK/NF-κB signaling pathway and activating the AMPK/Nrf2 signaling pathway in CCl4-intoxicated rats.
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Affiliation(s)
- Changyong Lee
- College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - Sik Yoon
- Department of Anatomy, College of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Jeon-Ok Moon
- College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
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Zhang X, Dong Z, Fan H, Yang Q, Yu G, Pan E, He N, Li X, Zhao P, Fu M, Dong J. Scutellarin prevents acute alcohol-induced liver injury via inhibiting oxidative stress by regulating the Nrf2/HO-1 pathway and inhibiting inflammation by regulating the AKT, p38 MAPK/NF-κB pathways. J Zhejiang Univ Sci B 2023; 24:617-631. [PMID: 37455138 PMCID: PMC10350365 DOI: 10.1631/jzus.b2200612] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/03/2023] [Indexed: 04/15/2023]
Abstract
Alcoholic liver disease (ALD) is the most frequent liver disease worldwide, resulting in severe harm to personal health and posing a serious burden to public health. Based on the reported antioxidant and anti-inflammatory capacities of scutellarin (SCU), this study investigated its protective role in male BALB/c mice with acute alcoholic liver injury after oral administration (10, 25, and 50 mg/kg). The results indicated that SCU could lessen serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels and improve the histopathological changes in acute alcoholic liver; it reduced alcohol-induced malondialdehyde (MDA) content and increased glutathione peroxidase (GSH-Px), catalase (CAT), and superoxide dismutase (SOD) activity. Furthermore, SCU decreased tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and IL-1β messenger RNA (mRNA) expression levels, weakened inducible nitric oxide synthase (iNOS) activity, and inhibited nucleotide-binding oligomerization domain (NOD)-like receptor protein 3 (NLRP3) inflammasome activation. Mechanistically, SCU suppressed cytochrome P450 family 2 subfamily E member 1 (CYP2E1) upregulation triggered by alcohol, increased the expression of oxidative stress-related nuclear factor erythroid 2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1) pathways, and suppressed the inflammation-related degradation of inhibitor of nuclear factor-κB (NF-κB)-α (IκBα) as well as activation of NF-κB by mediating the protein kinase B (AKT) and p38 mitogen-activated protein kinase (MAPK) pathways. These findings demonstrate that SCU protects against acute alcoholic liver injury via inhibiting oxidative stress by regulating the Nrf2/HO-1 pathway and suppressing inflammation by regulating the AKT, p38 MAPK/NF-κB pathways.
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Affiliation(s)
- Xiao Zhang
- Jiangsu Key Laboratory of Marine Bioresources and Environment / Co-Innovation Center of Jiangsu Marine Bio-Industry Technology / Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Zhicheng Dong
- Department of Oncology, the Second People's Hospital of Lianyungang, Lianyungang 222000, China
| | - Hui Fan
- Jiangsu Key Laboratory of Marine Bioresources and Environment / Co-Innovation Center of Jiangsu Marine Bio-Industry Technology / Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Qiankun Yang
- Jiangsu Key Laboratory of Marine Bioresources and Environment / Co-Innovation Center of Jiangsu Marine Bio-Industry Technology / Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Guili Yu
- Jiangsu Key Laboratory of Marine Bioresources and Environment / Co-Innovation Center of Jiangsu Marine Bio-Industry Technology / Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Enzhuang Pan
- Jiangsu Key Laboratory of Marine Bioresources and Environment / Co-Innovation Center of Jiangsu Marine Bio-Industry Technology / Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Nana He
- Jiangsu Key Laboratory of Marine Bioresources and Environment / Co-Innovation Center of Jiangsu Marine Bio-Industry Technology / Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Xueqing Li
- Jiangsu Key Laboratory of Marine Bioresources and Environment / Co-Innovation Center of Jiangsu Marine Bio-Industry Technology / Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Panpan Zhao
- Jiangsu Key Laboratory of Marine Bioresources and Environment / Co-Innovation Center of Jiangsu Marine Bio-Industry Technology / Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Mian Fu
- Jiangsu Key Laboratory of Marine Bioresources and Environment / Co-Innovation Center of Jiangsu Marine Bio-Industry Technology / Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China.
| | - Jingquan Dong
- Jiangsu Key Laboratory of Marine Bioresources and Environment / Co-Innovation Center of Jiangsu Marine Bio-Industry Technology / Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China.
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9
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Synthesis of New Shogaol Analogues as NRF2 Activators and Evaluation of Their Anti-Inflammatory Activity, Modes of Action and Metabolic Stability. Antioxidants (Basel) 2023; 12:antiox12020475. [PMID: 36830033 PMCID: PMC9951879 DOI: 10.3390/antiox12020475] [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: 01/18/2023] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 02/16/2023] Open
Abstract
6-shogaol is a natural and the most potent bioactive vanilloid in dried Zingiber officinale rhizomes. Many scientific studies have reported the diverse biological activities of 6-shogaol. However, the major drawback of 6-shogaol is its instability at room temperature. We synthesised new shogaol thiophene compounds (STCs) by replacing the pentyl group in the sidechain with thiophene derivatives. The STCs were tested for their nuclear factor erythroid 2-related factor 2 (NRF2) activation ability in murine hepatoma cells (Hepa1c1c-7) by determining their NAD(P)H quinone oxidoreductase 1 (NQO1) inducing ability and expression of NRF2-associated antioxidant genes. The anti-inflammatory activity of STCs was determined in Escherichia coli lipopolysaccharide (LPSEc)-stimulated NR2-proficient and -silenced mouse microglial cells (BV-2) by measuring the inflammatory markers, cytokines, and mediators. The modes of action (interacting with the Kelch domain of KEAP1, covalent bonding with cysteines of KEAP1, and inhibition of GSK-3β enzyme activity) of NRF2 activation by STCs were determined using commercially available kits. The in vitro metabolic stability of the STCs in liver microsomes (humans, rats, and mice) was also investigated. The molecular docking and molecular dynamics studies were conducted to identify the binding poses, stability, and molecular interactions of the STCs in the binding pockets of Kelch and BTB domains of KEAP1 and GSK-3β enzyme. The new STCs were synthesised in good yields of > 85%, with a purity of about 95%, using a novel synthesis method by employing a reusable proline-proline dipeptide catalyst. The STCs are more potent than 6-shogaol in activating NRF2 and reducing inflammation. The nature of substituents on thiophene has a profound influence on the bioactivity of the STCs. Phenylthiophene STC (STC5) is the most potent, while thiophenes containing electron-withdrawing groups showed weaker bioactivity. The bioactivity of 6-shogaol is in the micromolar range, whereas STC5 showed bioactivity in the sub micromolar range. The STCs showed anti-inflammatory effects via NRF2-dependent and NRF2-independent mechanisms. The STCs improved NRF2 activity through multiple (KEAP1-independent and -dependent) mechanisms. The STCs showed decreased reactivity with thiols than 6-shogaol and thus may possess fewer side-effects than 6-shogaol. The STCs were more metabolically stable than 6-shogaol.
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10
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Quercetin and resveratrol inhibit ferroptosis independently of Nrf2-ARE activation in mouse hippocampal HT22 cells. Food Chem Toxicol 2023; 172:113586. [PMID: 36584933 DOI: 10.1016/j.fct.2022.113586] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/10/2022] [Accepted: 12/22/2022] [Indexed: 12/29/2022]
Abstract
Oxidative stress is the central pathomechanism in multiple cell death pathways, including ferroptosis, a form of iron-dependent programmed cell death. Various phytochemicals, which include the inducers of the nuclear factor erythroid-2-related factor 2-antioxidant response element (Nrf2-ARE) transcription pathway, prevent ferroptosis. We recently reported that several compounds, such as the potent Nrf2-ARE inducer curcumin, protect mouse hippocampus-derived HT22 cells against ferroptosis independently of Nrf2-ARE activity. The present study characterized the anti-ferroptotic mechanisms of two additional Nrf2-ARE inducers, quercetin and resveratrol. Both compounds prevented erastin- and RSL3-induced ferroptosis of wild-type HT22 cells, and also blocked the exacerbated erastin- and RSL3-induced ferroptosis of Nrf2-knockdown HT22 cells. In both HT22 cells, quercetin and resveratrol blocked erastin- and RSL3-induced elevation in reactive oxygen species. These results suggest that the Nrf2-ARE pathway does protect against ferroptosis, but quercetin and resveratrol act by reducing oxidative stress independently of Nrf2-ARE induction. Quercetin and resveratrol also reduced Fe2+ concentrations in HT22 cells and in cell-free reactions. Thus, quercetin and resveratrol likely protect against erastin- and RSL3-induced ferroptosis by inhibiting the iron-catalyzed generation of hydroxyl radicals. Unlike quercetin, resveratrol cannot form a chelate structure with Fe2+ but the density functional theory computation demonstrates that resveratrol can form stable monodentate complexes with the alkene moiety and the electron-rich A ring.
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11
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Alrawaiq NS, Atia A, Abdullah A. Effect of Administration of an Equal Dose of Selected Dietary Chemicals on Nrf2 Nuclear Translocation in the Mouse Liver. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:9291417. [PMID: 37077659 PMCID: PMC10110381 DOI: 10.1155/2023/9291417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/05/2022] [Accepted: 10/06/2022] [Indexed: 04/21/2023]
Abstract
Certain dietary chemicals influenced the expression of chemopreventive genes through the Nrf2-Keap1 pathway. However, the difference in Nrf2 activation potency of these chemicals is not well studied. This study is aimed at determining the difference in the potency of liver Nrf2 nuclear translocation induced by the administration of equal doses of selected dietary chemicals in mice. Male ICR white mice were administered 50 mg/kg of sulforaphane, quercetin, curcumin, butylated hydroxyanisole, and indole-3-carbinol for 14 days. On day 15, the animals were sacrificed, and their livers were isolated. Liver nuclear extracts were prepared, and Nrf2 nuclear translocation was detected through Western blotting. To determine the implication of the Nrf2 nuclear translocation on the expression levels of several Nrf2-regulated genes, liver RNA was extracted for qPCR assay. Equal doses of sulforaphane, quercetin, curcumin, butylated hydroxyanisole, and indole-3-carbinol significantly induced the nuclear translocation of Nrf2 with different intensities and subsequently increased the expression of Nrf2-regulated genes with an almost similar pattern as the Nrf2 nuclear translocation intensities (sulforaphane > butylated hydroxyanisole = indole-3-carbinol > curcumin > quercetin). In conclusion, sulforaphane is the most potent dietary chemical that induces the Nrf2 translocation into the nuclear fraction in the mouse liver.
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Affiliation(s)
- Nadia Salem Alrawaiq
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, 56000 Cheras, Kuala Lumpur, Malaysia
- Department of Pharmacology, Faculty of Pharmacy, Sebha University, Sebha, Libya
| | - Ahmed Atia
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, 56000 Cheras, Kuala Lumpur, Malaysia
- Department of Anaesthesia and Intensive Care, Faculty of Medical Technology, Tripoli University, Tripoli, Libya
| | - Azman Abdullah
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, 56000 Cheras, Kuala Lumpur, Malaysia
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12
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Hepatoprotective Effect of Kaempferol: A Review of the Dietary Sources, Bioavailability, Mechanisms of Action, and Safety. Adv Pharmacol Pharm Sci 2023; 2023:1387665. [PMID: 36891541 PMCID: PMC9988374 DOI: 10.1155/2023/1387665] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 09/27/2022] [Accepted: 02/03/2023] [Indexed: 03/02/2023] Open
Abstract
The liver is the body's most critical organ that performs vital functions. Hepatic disorders can affect the physiological and biochemical functions of the body. Hepatic disorder is a condition that describes the damage to cells, tissues, structures, and functions of the liver, which can cause fibrosis and ultimately result in cirrhosis. These diseases include hepatitis, ALD, NAFLD, liver fibrosis, liver cirrhosis, hepatic failure, and HCC. Hepatic diseases are caused by cell membrane rupture, immune response, altered drug metabolism, accumulation of reactive oxygen species, lipid peroxidation, and cell death. Despite the breakthrough in modern medicine, there is no drug that is effective in stimulating the liver function, offering complete protection, and aiding liver cell regeneration. Furthermore, some drugs can create adverse side effects, and natural medicines are carefully selected as new therapeutic strategies for managing liver disease. Kaempferol is a polyphenol contained in many vegetables, fruits, and herbal remedies. We use it to manage various diseases such as diabetes, cardiovascular disorders, and cancers. Kaempferol is a potent antioxidant and has anti-inflammatory effects, which therefore possesses hepatoprotective properties. The previous research has studied the hepatoprotective effect of kaempferol in various hepatotoxicity protocols, including acetaminophen (APAP)-induced hepatotoxicity, ALD, NAFLD, CCl4, HCC, and lipopolysaccharide (LPS)-induced acute liver injury. Therefore, this report aims to provide a recent brief overview of the literature concerning the hepatoprotective effect of kaempferol and its possible molecular mechanism of action. It also provides the most recent literature on kaempferol's chemical structure, natural source, bioavailability, and safety.
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13
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Zhuang X, Li L, Liu T, Zhang R, Yang P, Wang X, Dai L. Mechanisms of isoniazid and rifampicin-induced liver injury and the effects of natural medicinal ingredients: A review. Front Pharmacol 2022; 13:1037814. [PMID: 36299895 PMCID: PMC9589499 DOI: 10.3389/fphar.2022.1037814] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 09/29/2022] [Indexed: 11/28/2022] Open
Abstract
Isoniazid (INH) and rifampicin (RFP) are the first-line medications for tuberculosis treatment, and liver injury is the major adverse effect. Natural medicinal ingredients provide distinct benefits in alleviating patients’ symptoms, lowering the liver injury risk, delaying disease progression, and strengthening the body’s ability to heal. This paper summarises the recent research on the mechanisms of INH and RFP-induced liver injury and the effects of natural medicinal ingredients. It is believed that INH-induced liver injury may be attributed to oxidative stress, mitochondrial dysfunction, drug metabolic enzymes, protoporphyrin IX accumulation, endoplasmic reticulum stress, bile transport imbalance, and immune response. RFP-induced liver injury is mainly related to cholestasis, endoplasmic reticulum stress, and liver lipid accumulation. However, the combined effect of INH and RFP on liver injury risk is still uncertain. RFP can increase INH-induced hepatotoxicity by regulating the expression of drug-metabolizing enzymes and transporters. In contrast, INH can antagonize RFP-induced liver injury by reducing the total bilirubin level in the blood. Sagittaria sagittifolia polysaccharide, quercetin, gallic acid, and other natural medicinal ingredients play protective roles on INH and RFP-induced liver injury by enhancing the body’s antioxidant capacity, regulating metabolism, inhibiting cell apoptosis, and reducing the inflammatory response. There are still many gaps in the literature on INH and RFP-induced liver injury mechanisms and the effects of natural medicinal ingredients. Thus, further research should be carried out from the perspectives of liver injury phenotype, injury markers, in vitro and in vivo liver injury model construction, and liver-gut axis. This paper comprehensively reviewed the literature on mechanisms involved in INH and RFP-induced liver injury and the status of developing new drugs against INH and RFP-induced liver injury. In addition, this review also highlighted the uses and advantages of natural medicinal ingredients in treating drug-induced liver injury.
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Affiliation(s)
- Xiuping Zhuang
- School of Pharmacy, Binzhou Medical University, Yantai, China
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Li Li
- Department of Pediatrics, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Tianyi Liu
- Grade Three Laboratory of Traditional Chinese Medicine Preparation of the National Administration of Traditional Chinese Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Rui Zhang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Peimin Yang
- Grade Three Laboratory of Traditional Chinese Medicine Preparation of the National Administration of Traditional Chinese Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xin Wang
- Grade Three Laboratory of Traditional Chinese Medicine Preparation of the National Administration of Traditional Chinese Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
- *Correspondence: Xin Wang, ; Long Dai,
| | - Long Dai
- School of Pharmacy, Binzhou Medical University, Yantai, China
- *Correspondence: Xin Wang, ; Long Dai,
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14
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He YM, Shen XL, Guo YN, Liang SS, Ding KN, Lu MH, Tang LP. Yinhuang oral liquid protects acetaminophen-induced acute liver injury by regulating the activation of autophagy and Nrf2 signaling. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 244:114073. [PMID: 36115150 DOI: 10.1016/j.ecoenv.2022.114073] [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: 06/13/2022] [Revised: 09/07/2022] [Accepted: 09/09/2022] [Indexed: 06/15/2023]
Abstract
This study aimed to investigate the protective effect and potential mechanism of Yinhuang oral liquid (YOL) against acetaminophen (APAP) induced liver injury in mice. C57BL/6 mice were randomly divided into control group, model group (300 mg/kg APAP), NAC group and YOL group. Mice were treated intragastrical with YOL (8 g/kg) and N-Acetylcysteine (NAC, 300 mg/kg) 6 h before and 6 h after the APAP (300 mg/kg) intraperitoneal injection. 12 h after APAP exposure, blood and liver samples were collected for subsequent testing. The results showed that APAP decreased liver index, induced liver pathological injury with hepatocytes swelling, necrosis and apoptosis and inflammatory cell infiltration. APAP exposure significantly increased serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels to 35 and 6 multiples than their original levels. YOL alleviated liver pathological damage, decreased the serum levels of ALT and AST in APAP exposure mice, and it worked better than NAC. Moreover, APAP promoted oxidative stress by increasing lipid peroxidation (MDA) and decreasing anti-oxidant enzyme activities of SOD and GSH, inhibited the mRNA levels of Nrf2, HO-1, Gclc and Gclm, and decreased the protein levels of Nrf2, HO-1 and Keap1, compared to control group. Furthermore, APAP exposure significantly down-regulated the mRNA and protein levels of autophagy related genes (Beclin-1, LC3-II, LC3-I, Atg4B, Atg5, Atg16L1 and Atg7). However, the gene levels of mTOR and p-mTOR increased, and p-ULK1 protein level decreased in liver of APAP treated mice. Additionally, YOL alleviated the oxidative injury by up-regulating Nrf2 pathway. The gene and protein levels of autophagy-related genes Beclin-1, LC3-II, LC3-I, Atg4B, Atg5, Atg16L1 and Atg7 reached the basal levels after YOL treatment. In conclusion, YOL had a protective and therapeutic role in APAP-induced liver injury in mice by activating Nrf2 signaling pathway and autophagy.
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Affiliation(s)
- Yong-Ming He
- School of Life Science and Engineering, Foshan University, Foshan 528225, China
| | - Xing-Ling Shen
- School of Life Science and Engineering, Foshan University, Foshan 528225, China
| | - Yan-Na Guo
- School of Life Science and Engineering, Foshan University, Foshan 528225, China
| | - Shao-Shan Liang
- School of Life Science and Engineering, Foshan University, Foshan 528225, China
| | - Kang-Ning Ding
- School of Life Science and Engineering, Foshan University, Foshan 528225, China
| | - Meng-Han Lu
- School of Life Science and Engineering, Foshan University, Foshan 528225, China
| | - Lu-Ping Tang
- School of Life Science and Engineering, Foshan University, Foshan 528225, China.
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15
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Yousuf M, Shamsi A, Mohammad T, Azum N, Alfaifi SYM, Asiri AM, Mohamed Elasbali A, Islam A, Hassan MI, Haque QMR. Inhibiting Cyclin-Dependent Kinase 6 by Taurine: Implications in Anticancer Therapeutics. ACS OMEGA 2022; 7:25844-25852. [PMID: 35910117 PMCID: PMC9330843 DOI: 10.1021/acsomega.2c03479] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 07/04/2022] [Indexed: 06/15/2023]
Abstract
Cyclin-dependent kinase 6 (CDK6) is linked with a cyclin partner and plays a crucial role in the early stages of cancer development. It is currently a potential drug target for developing therapeutic molecules targeting cancer therapy. Here, we have identified taurine as an inhibitor of CDK6 using combined in silico and experimental studies. We performed various experiments to find the binding affinity of taurine with CDK6. Molecular docking analysis revealed critical residues of CDK6 that are involved in taurine binding. Fluorescence measurement studies showed that taurine binds to CDK6 with a significant binding affinity, with a binding constant of K = 0.7 × 107 M-1 for the CDK6-taurine complex. Enzyme inhibition assay suggested taurine as a good inhibitor of CDK6 possessing an IC50 value of 4.44 μM. Isothermal titration calorimetry analysis further confirmed a spontaneous binding of taurine with CDK6 and delineated the thermodynamic parameters for the CDK6-taurine system. Altogether, this study established taurine as a CDK6 inhibitor, providing a base for using taurine and its derivatives in CDK6-associated cancer and other diseases.
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Affiliation(s)
- Mohd Yousuf
- Department
of Biosciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Anas Shamsi
- Centre
for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
- Centre
of
Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
| | - Taj Mohammad
- Centre
for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Naved Azum
- Center
of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Chemistry
Department, Faculty of Science, King Abdulaziz
University, Jeddah 21589, Saudi Arabia
| | - Sulaiman Y. M. Alfaifi
- Chemistry
Department, Faculty of Science, King Abdulaziz
University, Jeddah 21589, Saudi Arabia
| | - Abdullah M. Asiri
- Center
of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Chemistry
Department, Faculty of Science, King Abdulaziz
University, Jeddah 21589, Saudi Arabia
| | - Abdelbaset Mohamed Elasbali
- Clinical
Laboratory Science, College of Applied Sciences-Qurayyat, Jouf University, Sakaka 72388, Saudi Arabia
| | - Asimul Islam
- Centre
for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Md Imtaiyaz Hassan
- Centre
for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
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16
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Zhang X, Gao X, Long G, Yang Y, Chen G, Hou G, Huo X, Jia J, Wang A, Hu G. Lanostane-type triterpenoids from the mycelial mat of Ganoderma lucidum and their hepatoprotective activities. PHYTOCHEMISTRY 2022; 198:113131. [PMID: 35248578 DOI: 10.1016/j.phytochem.2022.113131] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 01/30/2022] [Accepted: 02/10/2022] [Indexed: 06/14/2023]
Abstract
Ganoderma lucidum (G. lucidum), a well-known Polyporaceae family fungus, is valued for its edibility and medicinal properties. It is a rich source of active polysaccharides and triterpenoids. However, obtaining material for medicinal purposes relies on artificial cultivation in a greenhouse, which requires large amounts of tree trunk due to the low biomass transformation rate. Therefore, an effective and environment-friendly culture method should be developed and the chemical compounds in the cultured material should be studied. Here we report the isolation and structural elucidation of 10 undescribed lanostane triterpenoids and 21 known compounds from statically cultured mycelial mat of G. lucidum. The hepatoprotective activity of these compounds in H2O2-induced HepG2 cells was evaluated. The structure-activity relationship is discussed. Our results demonstrated that twelve ganoderic acid derivatives possess significant hepatoprotective activities, as judged by suppressed activities of ALT, AST and LDH and increased GSH levels in H2O2-injured HepG2 cells.
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Affiliation(s)
- Xueqing Zhang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China
| | - Xiaoxu Gao
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China
| | - Guoqing Long
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China
| | - Yongcheng Yang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China
| | - Gang Chen
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China
| | - Guoli Hou
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China
| | - Xuting Huo
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China
| | - Jingming Jia
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China.
| | - Anhua Wang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China.
| | - Gaosheng Hu
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China.
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17
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Zhou Q, Zhang N, Hu T, Xu H, Duan X, Liu B, Chen F, Wang M. Dietary phenolic-type Nrf2-activators: implications in the control of toxin-induced hepatic disorders. Food Funct 2022; 13:5480-5497. [PMID: 35411358 DOI: 10.1039/d1fo04237h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Numerous studies have exemplified the importance of nuclear factor erythroid 2-related factor 2 (Nrf2) activation in the alleviation of toxin-induced hepatic disorders primarily through eliminating oxidative stress. Whereafter, increasingly more efforts have been contributed to finding Nrf2-activators, especially from dietary polyphenols. The present review summarized the phenolic-type Nrf2-activators published in the past few decades, analyzed their effectiveness based on their structural characteristics and outlined their related mechanisms. It turns out that flavonoids are the largest group of phenolic-type Nrf2-activators, followed by nonflavonoids and phenolic acids. When counting on subgroups, the top three types are flavonols, flavones, and hydroxycinnamic acids, with curcuminoids having the highest effective doses. Moreover, most polyphenols work through the phosphorylation of Nrf2. Besides, mitogen-activated protein kinases (MAPKs) and protein kinase B (Akt) are the frequent targets of these Nrf2-activators, which indirectly mediate the behavior of Nrf2. However, current data are not sufficient to conclude any structure-activity relationship.
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Affiliation(s)
- Qian Zhou
- Institute for Advanced Study, Shenzhen University, Shenzhen, China. .,Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen, China.
| | - Nana Zhang
- School of Biological Sciences, The University of Hong Kong, Hong Kong, China
| | - Tingyan Hu
- Institute for Advanced Study, Shenzhen University, Shenzhen, China. .,Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen, China.
| | - Hui Xu
- Institute for Advanced Study, Shenzhen University, Shenzhen, China. .,Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen, China.
| | - Xinxing Duan
- Schlegel Research Institute for Aging & Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Canada
| | - Bin Liu
- Institute for Advanced Study, Shenzhen University, Shenzhen, China. .,Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen, China.
| | - Feng Chen
- Institute for Advanced Study, Shenzhen University, Shenzhen, China. .,Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen, China.
| | - Mingfu Wang
- Institute for Advanced Study, Shenzhen University, Shenzhen, China. .,Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen, China.
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18
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Hasan Khudhair D, Al-Gareeb AI, Al-kuraishy HM, El-Kadem AH, Elekhnawy E, Negm WA, Saber S, Cavalu S, Tirla A, Alotaibi SS, Batiha GES. Combination of Vitamin C and Curcumin Safeguards Against Methotrexate-Induced Acute Liver Injury in Mice by Synergistic Antioxidant Effects. Front Med (Lausanne) 2022; 9:866343. [PMID: 35492324 PMCID: PMC9047671 DOI: 10.3389/fmed.2022.866343] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 03/07/2022] [Indexed: 12/21/2022] Open
Abstract
Methotrexate (MTX), an antineoplastic and immunosuppressive drug, widely used in the treatment of different types of cancers and the management of chronic inflammatory diseases. However, its use is associated with hepatotoxicity. Vitamin C (VC) and curcumin (CUR) exhibit anti-inflammatory and antioxidant effects. Thus, we aimed to investigate the potential hepatoprotective effects of VC and CUR pretreatment alone and in combination against MTX-induced hepatotoxicity. Albino mice were randomly divided into 7 groups: the control group, which received only normal saline; MTX group; VC group, pretreated with VC (100 or 200 mg/kg/day orally) for 10 days; CUR group, pretreated with CUR (10 or 20 mg/kg/day orally); and combination group, which received VC (100 mg/kg) and CUR (10 mg/kg). MTX was administered (20 mg/kg, intraperitoneally) to all the groups on the tenth day to induce hepatotoxicity. Forty eight hours after MTX administration, the mice were anesthetized. Blood samples were collected, the liver was removed for biochemical analysis, and a part of the tissue was preserved in formalin for histopathological analysis. The results indicated that pretreatment with a combination of VC and CUR induced a more significant decrease in the serum levels of alanine transaminase, aspartate transaminase, alkaline phosphatase, and lactic dehydrogenase and a significant increase in the tissue level of superoxide dismutase and glutathione; furthermore, it induced a significant decrease in malondialdehyde levels and improvement in histopathological changes in the liver tissues, confirming the potential hepatoprotective effects of the combination therapy on MTX-induced liver injury. To conclude, MTX-induced hepatotoxicity is mediated by induction of oxidative stress as evident by increased lipid peroxidation and reduction of antioxidant enzyme activity. Pretreatment with VC, CUR or their combination reduces the MTX-induced hepatotoxicity by antioxidant and anti-inflammatory effects. However, the combined effect of VC and CUR provided a synergistic hepatoprotective effect that surpasses pretreatment with CUR alone but seems to be similar to that of VC 200 mg/kg/day. Therefore, VC and CUR combination or a large dose of VC could be effective against MTX-induced hepatotoxicity. In this regard, further studies are warranted to confirm the combined hepatoprotective effect of VC and CUR against MTX-induced hepatotoxicity.
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Affiliation(s)
- Dhekra Hasan Khudhair
- Department of Clinical Pharmacology and Medicine, College of Medicine, University of Al-Mustansiriyah, Baghdad, Iraq
| | - Ali I. Al-Gareeb
- Department of Clinical Pharmacology and Medicine, College of Medicine, University of Al-Mustansiriyah, Baghdad, Iraq
| | - Hayder M. Al-kuraishy
- Department of Clinical Pharmacology and Medicine, College of Medicine, University of Al-Mustansiriyah, Baghdad, Iraq
| | - Aya H. El-Kadem
- Department of Pharmacology, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Engy Elekhnawy
- Pharmaceutical Microbiology Department, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Walaa A. Negm
- Department of Pharmacognosy, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Sameh Saber
- Department of Pharmacology, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
| | - Simona Cavalu
- Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
| | - Adrian Tirla
- Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
| | - Saqer S. Alotaibi
- Department of Biotechnology, College of Science, Taif University, Taif, Saudi Arabia
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt
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19
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Qi JY, Yang YK, Jiang C, Zhao Y, Wu YC, Han X, Jing X, Wu ZL, Chu L. Exploring the Mechanism of Danshensu in the Treatment of Doxorubicin-Induced Cardiotoxicity Based on Network Pharmacology and Experimental Evaluation. Front Cardiovasc Med 2022; 9:827975. [PMID: 35295262 PMCID: PMC8918531 DOI: 10.3389/fcvm.2022.827975] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 01/27/2022] [Indexed: 12/30/2022] Open
Abstract
Background Doxorubicin (DOX) is one of the most effective chemotherapeutic agents available; however, its use is limited by the risk of serious cardiotoxicity. Danshensu (DSS), an active ingredient in Salvia miltiorrhiza, has multiple cardioprotective effects, but the effect of DSS on DOX-induced cardiotoxicity has not been reported. Objectives Predicting the targets of DOX-induced cardiotoxicity and validating the protective effects and mechanisms of DSS. Methods (1) Using methods based on network pharmacology, DOX-induced cardiotoxicity was analyzed by data analysis, target prediction, PPI network construction and GO analysis. (2) The cardiotoxicity model was established by continuous intraperitoneal injection of 15 mg/kg of DOX into mice for 4 days and the protective effects and mechanism were evaluated by treatment with DSS. Results The network pharmacology results indicate that CAT, SOD, GPX1, IL-6, TNF, BAX, BCL-2, and CASP3 play an important role in this process, and Keap1 is the main target of DOX-induced cardiac oxidative stress. Then, based on the relationship between Keap1 and Nrf2, the Keap1-Nrf2/NQO1 pathway was confirmed by animal experiments. In the animal experiments, by testing the above indicators, we found that DSS effectively reduced oxidative stress, inflammation, and apoptosis in the damaged heart, and significantly alleviated the prolonged QTc interval caused by DOX. Moreover, compared with the DOX group, DSS elevated Keap1 content and inhibited Nrf2, HO-1, and NQO1. Conclusion The results of network pharmacology studies indicated that Keap1-Nrf2/NQO1 is an important pathway leading to DOX-induced cardiotoxicity, and the results of animal experiments showed that DSS could effectively exert anti-oxidative stress, anti-inflammatory and anti-apoptotic therapeutic effects on DOX-induced cardiotoxicity by regulating the expression of Keap1-Nrf2/NQO1.
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Affiliation(s)
- Jia-ying Qi
- School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Ya-kun Yang
- School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Chuan Jiang
- School of Preventive Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Yang Zhao
- Department of Radiology and Interventional Medicine, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yong-chao Wu
- Department of Radiology and Interventional Medicine, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xue Han
- School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Xuan Jing
- Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
- *Correspondence: Xuan Jing
| | - Zhong-lin Wu
- Department of Radiology and Interventional Medicine, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
- Zhong-lin Wu
| | - Li Chu
- School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, China
- Li Chu
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Chen J, Chen Z, Wang Z, Zheng A, Chang W, Cai H, Liu G. Dietary 5-aminolevulinic acid supplementation improves growth performance, nutrient utilisation, iron status and antioxidant capacity of broilers. ITALIAN JOURNAL OF ANIMAL SCIENCE 2022. [DOI: 10.1080/1828051x.2022.2034541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Jiang Chen
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhimin Chen
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zedong Wang
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Aijuan Zheng
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Wenhuan Chang
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Huiyi Cai
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Guohua Liu
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
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Wang D, Wang T, Li Z, Guo Y, Granato D. Green Tea Polyphenols Upregulate the Nrf2 Signaling Pathway and Suppress Oxidative Stress and Inflammation Markers in D-Galactose-Induced Liver Aging in Mice. Front Nutr 2022; 9:836112. [PMID: 35284456 PMCID: PMC8904921 DOI: 10.3389/fnut.2022.836112] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 01/19/2022] [Indexed: 11/13/2022] Open
Abstract
The beneficial effects of green tea polyphenols (GTPs) on D-galactose (D-Gal)-induced liver aging in male Kunming mice were investigated. For this purpose, 40 adult male Kunming mice were divided into four groups. All animals, except for the normal control and GTPs control, were intraperitoneally injected with D-galactose (D-Gal; 300 mg/kg/day for 5 days a week) for 12 consecutive weeks, and the D-Gal-treated mice were allowed free access to 0.05% GTPs (w/w) diet or normal diet for 12 consecutive weeks. Results showed that GTP administration improved the liver index and decreased transaminases and total bilirubin levels. Furthermore, GTPs significantly increased hepatic glutathione and total antioxidant levels, and the activities of superoxide dismutase, catalase, and glutathione S-transferase (GST). Furthermore, GTPs downregulated 8-hydroxy-2-deoxyguanosine, advanced glycation end products, and hepatic oxidative stress markers, such as malondialdehyde and nitric oxide. Additionally, GTPs abrogated dysregulation in hepatic Kelch-like ECH-associated protein 1 and nuclear factor erythroid 2-related factor 2 (Nrf2) and its downstream target gene expression [heme oxygenase 1, NAD(P)H:quinone oxidoreductase 1, and GST] and inhibited tumor necrosis factor-α, transforming growth factor-β, and interleukin (IL)-1β and IL-6 in the liver of treated mice. Finally, GTPs effectively attenuated D-Gal-induced edema, vacuole formation, and inflammatory cell infiltration. In conclusion, GTPs showed antioxidant and anti-inflammatory properties in D-Gal-induced aging mice, and may be considered a natural alternative to the effects of hepatic aging.
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Affiliation(s)
- Dongxu Wang
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang, China
- *Correspondence: Dongxu Wang
| | - Taotao Wang
- Department of Clinical Nutrition, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Zhanming Li
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Yuanxin Guo
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Daniel Granato
- Department of Biological Sciences, Faculty of Science and Engineering, University of Limerick, Limerick, Ireland
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22
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Miconazole Mitigates Acetic Acid-Induced Experimental Colitis in Rats: Insight into Inflammation, Oxidative Stress and Keap1/Nrf-2 Signaling Crosstalk. BIOLOGY 2022; 11:biology11020303. [PMID: 35205169 PMCID: PMC8869207 DOI: 10.3390/biology11020303] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/23/2022] [Accepted: 02/10/2022] [Indexed: 02/04/2023]
Abstract
Ulcerative colitis (UC) is the most common type of inflammatory bowel disease, characterized by oxidative stress and elevated pro-inflammatory cytokines. Miconazole is an azole antifungal that stimulates the expression of antioxidant enzymes via Nrf2 activation, which consequently inhibits ROS formation and NF-κB activation. Hence, the present study aimed to investigate the protective effect of miconazole, sulfasalazine (as a reference drug) and their combination on acetic acid (AA)-induced UC in a rat model which was induced by intra-rectal administration of 4% AA. Rats were pretreated with miconazole (20 and 40 mg/kg, orally) or sulfasalazine (100 mg/kg, orally), or their combination (20 mg/kg miconazole and 50 mg/Kg of sulfasalazine, orally). Pretreatment with miconazole significantly reduced wet colon weight and macroscopic scores, accompanied by a significant amelioration of the colonic architecture disorder. Moreover, the treatment also significantly decreased the malondialdehyde (MDA) level and prevented the depletion of superoxide dismutase (SOD) activity and GSH content in inflamed colons. Additionally, the treatment showed suppressive activities on pro-inflammatory cytokines, including tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6) and C-reactive protein (CRP), and upregulated the anti-inflammatory cytokine interleukin-10 (IL-10). Moreover, the treatment upregulated the protein levels of Nrf-2 and heme oxygenase-1 (HO-1) in the colon tissue. Taken together, miconazole is effective in alleviating AA-induced colitis in rats, and the mechanism of its action is associated with the activation of Nrf2-regulated cytoprotective protein expression.
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Leal PEDPT, da Silva AA, Rocha-Gomes A, Riul TR, Cunha RA, Reichetzeder C, Villela DC. High-Salt Diet in the Pre- and Postweaning Periods Leads to Amygdala Oxidative Stress and Changes in Locomotion and Anxiety-Like Behaviors of Male Wistar Rats. Front Behav Neurosci 2022; 15:779080. [PMID: 35058757 PMCID: PMC8763963 DOI: 10.3389/fnbeh.2021.779080] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 11/15/2021] [Indexed: 12/24/2022] Open
Abstract
High-salt (HS) diets have recently been linked to oxidative stress in the brain, a fact that may be a precursor to behavioral changes, such as those involving anxiety-like behavior. However, to the best of our knowledge, no study has evaluated the amygdala redox status after consuming a HS diet in the pre- or postweaning periods. This study aimed to evaluate the amygdala redox status and anxiety-like behaviors in adulthood, after inclusion of HS diet in two periods: preconception, gestation, and lactation (preweaning); and only after weaning (postweaning). Initially, 18 females and 9 male Wistar rats received a standard (n = 9 females and 4 males) or a HS diet (n = 9 females and 5 males) for 120 days. After mating, females continued to receive the aforementioned diets during gestation and lactation. Weaning occurred at 21-day-old Wistar rats and the male offspring were subdivided: control-control (C-C)—offspring of standard diet fed dams who received a standard diet after weaning (n = 9–11), control-HS (C-HS)—offspring of standard diet fed dams who received a HS diet after weaning (n = 9–11), HS-C—offspring of HS diet fed dams who received a standard diet after weaning (n = 9–11), and HS-HS—offspring of HS diet fed dams who received a HS diet after weaning (n = 9–11). At adulthood, the male offspring performed the elevated plus maze and open field tests. At 152-day-old Wistar rats, the offspring were euthanized and the amygdala was removed for redox state analysis. The HS-HS group showed higher locomotion and rearing frequency in the open field test. These results indicate that this group developed hyperactivity. The C-HS group had a higher ratio of entries and time spent in the open arms of the elevated plus maze test in addition to a higher head-dipping frequency. These results suggest less anxiety-like behaviors. In the analysis of the redox state, less activity of antioxidant enzymes and higher levels of the thiobarbituric acid reactive substances (TBARS) in the amygdala were shown in the amygdala of animals that received a high-salt diet regardless of the period (pre- or postweaning). In conclusion, the high-salt diet promoted hyperactivity when administered in the pre- and postweaning periods. In animals that received only in the postweaning period, the addition of salt induced a reduction in anxiety-like behaviors. Also, regardless of the period, salt provided amygdala oxidative stress, which may be linked to the observed behaviors.
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Affiliation(s)
- Pedro Ernesto de Pinho Tavares Leal
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
- Laboratório de Nutrição Experimental – LabNutrex, Departamento de Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
| | - Alexandre Alves da Silva
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
- Laboratório de Nutrição Experimental – LabNutrex, Departamento de Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
| | - Arthur Rocha-Gomes
- Laboratório de Nutrição Experimental – LabNutrex, Departamento de Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
| | - Tania Regina Riul
- Laboratório de Nutrição Experimental – LabNutrex, Departamento de Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
- Programa de Pós-Graduação em Ciências da Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
| | - Rennan Augusto Cunha
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
| | - Christoph Reichetzeder
- Department of Nutritional Toxicology, Institute of Nutritional Science, University of Potsdam, Potsdam, Germany
- Christoph Reichetzeder,
| | - Daniel Campos Villela
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
- *Correspondence: Daniel Campos Villela,
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24
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Yu YF, Chen Y, Shi X, Ye C, Wang J, Huang J, Zhang B, Deng Z. Hepatoprotective effect of different mulberry leaf extracts against acute liver injury in rats by alleviating oxidative stress and inflammatory response. Food Funct 2022; 13:8593-8604. [DOI: 10.1039/d2fo00282e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study investigated the hepatoprotective effect of various mulberry (Morus alba L.) leaf extracts (MLEs), including mulberry ethanol extract (MEE), aqueous extract (MAE) and combination extract (MCE) against D-galactosamine (D-GalN)...
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Bashandy, PhD MM, Saeed HE, Ahmed WMS, Ibrahim MA, Shehata O. OUP accepted manuscript. Toxicol Res (Camb) 2022; 11:339-347. [PMID: 35510236 PMCID: PMC9052319 DOI: 10.1093/toxres/tfac009] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 01/18/2022] [Accepted: 02/19/2022] [Indexed: 11/13/2022] Open
Abstract
Background Cadmium (Cd) is a highly toxic heavy metal that adversely affects both human and animal health. Chronic cadmium exposure causes serious kidney damage. The current study investigated the protective role of cerium oxide nanoparticles (CeO2NPs) against cadmium chloride (CdCl2)-induced renal injury. Method One hundred and twenty male albino rats were divided into 6 equal groups. Group (C): considered as control group which was given distilled water orally. Group (NC.1 and NC.5): rats were injected i.p. with nanoceria at a dose of (0.1 and 0.5 mg/kg b.wt), respectively, twice a week for 2 weeks starting at the 15th day of the study. Group (Cd): rats were received CdCl2 orally (10 mg/kg b.wt) daily for 28 days. Groups (Cd + NC.1 and Cd + NC.5): rats were given CdCl2 orally (10 mg/kg b.wt) for 28 days and CeO2NPs by i.p. injection at a dose of (0.1 and 0.5 mg/kg b.wt), respectively, twice a week for 2 weeks started at the 15th day of the experiment. Results The Cd group exhibited a significant increase in the serum levels of IL-1β, KIM-1, Cys-C, and β2-MG, downregulation of the antioxidant initiator genes such as Nrf-2, and up-regulation of apoptosis markers such as nibrin gene (NBN). Urine examination showed a high level of microalbuminuria, abnormal physical, chemical, and microscopical changes in comparison with control groups. Conculsion Remarkably, posttreatment with CeO2NPs showed significant improvement in kidney histopathological picture and relieved the alterations in kidney biomarkers, inflammatory markers, urine abnormalities, and expressions of different genes as Nrf-2 and NBN.
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Affiliation(s)
- Mostafa M Bashandy, PhD
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Hanan E Saeed
- Corresponding author: Hanan E. Saeed, Department of Clinical Pathology, Faculty of Veterinary Medicine, BeniSuef University, Beni-Suef 62511, Egypt. and
| | - Walaa M S Ahmed
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef 62511, Egypt
| | - Marwa A Ibrahim
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Olfat Shehata
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef 62511, Egypt
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Resolvin D1, therapeutic target in acute respiratory distress syndrome. Eur J Pharmacol 2021; 911:174527. [PMID: 34582846 PMCID: PMC8464084 DOI: 10.1016/j.ejphar.2021.174527] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 09/09/2021] [Accepted: 09/23/2021] [Indexed: 12/25/2022]
Abstract
Acute lung injury (ALI), or its more severe form, acute respiratory distress syndrome (ARDS), is a disease with high mortality and is a serious challenge facing the World Health Organization because there is no specific treatment. The excessive and prolonged immune response is the hallmark of this disorder, so modulating and regulating inflammation plays an important role in its prevention and treatment. Resolvin D1 (RvD1) as a specialized pro-resolving mediator has the potential to suppress the expression of inflammatory cytokines and to facilitate the production of antioxidant proteins by stimulating lipoxin A4 receptor/formyl peptide receptor 2 (ALX/FPR2). These changes limit the invasion of immune cells into the lung tissue, inhibit coagulation, and enhance cell protection against oxidative stress (OS). In particular, this biomolecule reduces the generation of reactive oxygen species (ROS) by blocking the activation of inflammatory transcription factors, especially nuclear factor-κB (NF-κB), and accelerating the synthesis of antioxidant compounds such as heme oxygenase 1 (HO-1) and superoxide dismutase (SOD). Therefore, the destruction and dysfunction of important cell components such as cytoplasmic membrane, mitochondria, Na+/k + adenosine triphosphatase (ATPase) and proteins involved in the phagocytic activity of scavenger macrophages are attenuated. Numerous studies on the effect of RvD1 over inflammation using animal models revealed that Rvs have both anti-inflammatory and pro-resolving capabilities and therefore, might have potential therapeutic value in treating ALI. Here, we review the current knowledge on the classification, biosynthesis, receptors, mechanisms of action, and role of Rvs in ALI/ARDS.
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Ahmed AMA, Rahman MA, Hossen MA, Reza ASMA, Islam MS, Rashid MM, Rafi MKJ, Siddiqui MTA, Al-Noman A, Uddin MN. Epiphytic Acampe ochracea orchid relieves paracetamol-induced hepatotoxicity by inhibiting oxidative stress and upregulating antioxidant genes in in vivo and virtual screening. Biomed Pharmacother 2021; 143:112215. [PMID: 34649346 DOI: 10.1016/j.biopha.2021.112215] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 09/13/2021] [Accepted: 09/15/2021] [Indexed: 12/12/2022] Open
Abstract
Orchids are basically ornamental, and biological functions are seldom evaluated. This research investigated the effects of Acampe ochracea methanol extract (AOME) in ameliorating the paracetamol (PCM) induced liver injury in Wistar albino rats, evaluating its phytochemical status through UPLC-qTOF-MS analysis. With molecular docking and network pharmacology, virtual screening verified the inevitable interactions between the UPLC-qTOF-MS-characterized compounds and hepatoprotective drug receptors. The AOME has explicit a dose-dependent decrease of liver enzymes acid phosphatase (ACP), aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), gamma-glutamyl transferase (GGT), lactate dehydrogenase (LDH), total bilirubin, as well as an increase of serum total protein and antioxidant enzymes catalase (CAT), superoxide dismutase (SOD), glutathione reductase (GSH) with a virtual normalization (p < 0.05-p < 0.001) and the values were almost equivalent to the reference drug silymarin. After pretreatment with AOME, PCM-induced malondialdehyde (MDA) levels were considerably decreased (p < 0.001). Histopathological examinations corroborated the functional and biochemical findings. The AOME upregulated the genes involved in antioxidative (CAT, SOD, β-actin, PON1, and PFK1) and hepatoprotective mechanisms in PCM intoxicated rats. An array of 103 compounds has been identified from AOME through UPLC-qTOF-MS analysis. The detected compounds were substantially related to the targets of several liver proteins and antioxidative enzymes, according to an in silico study. Virtual prediction by SwissADME and admetSAR showed that AOME has drug-like, non-toxic, and potential pharmacological activities in hepatic damage. Furthermore, VEGFA, CYP19A1, MAPK14, ESR1, and PPARG genes interact with target compounds impacting the significant biological actions to recover PCM-induced liver damage.
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Affiliation(s)
- A M Abu Ahmed
- Department of Genetic Engineering and Biotechnology, University of Chittagong, Chittagong 4331, Bangladesh; Department of Biochemistry and Molecular Biology, University of Chittagong, Chittagong 4331, Bangladesh
| | - Md Atiar Rahman
- Department of Biochemistry and Molecular Biology, University of Chittagong, Chittagong 4331, Bangladesh.
| | - Md Amjad Hossen
- Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh
| | - A S M Ali Reza
- Department of Biochemistry and Molecular Biology, University of Chittagong, Chittagong 4331, Bangladesh; Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh
| | - Md Shahidul Islam
- Department of Biochemistry and Molecular Biology, University of Chittagong, Chittagong 4331, Bangladesh
| | - Md Mamunur Rashid
- Department of Biochemistry and Molecular Biology, University of Chittagong, Chittagong 4331, Bangladesh
| | - Md Khalid Juhani Rafi
- Department of Biochemistry and Molecular Biology, University of Chittagong, Chittagong 4331, Bangladesh
| | - Md Tanvir Ahmed Siddiqui
- Department of Biochemistry and Molecular Biology, University of Chittagong, Chittagong 4331, Bangladesh
| | - Abdullah Al-Noman
- Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh
| | - Md Nazim Uddin
- Institute of Food Science and Technology, Bangladesh Council of Scientific and Industrial Research, Dhaka 1205, Bangladesh
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Ford HR, Busato S, Trevisi E, Muchiri RN, van Breemen RB, Bionaz M, Ates S. Effects of Pasture Type on Metabolism, Liver and Kidney Function, Antioxidant Status, and Plant Secondary Compounds in Plasma of Grazing, Jersey Dairy Cattle During Mid-lactation. FRONTIERS IN ANIMAL SCIENCE 2021. [DOI: 10.3389/fanim.2021.729423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Some pasture species are rich in phytochemicals, able to improve milk yield and quality and to reduce the environmental impacts of livestock farming. The phytochemicals interact with the different gene networks within the animal, such as nuclear factor erythroid 2-related factor 2 (NRF2), but their overall impact on animal health remains to be fully understood. The objective of this study was to identify the effects of pasture Legumes and non-leguminous Forbs containing high bioactive compounds on metabolism and activity of the liver, antioxidant response, kidney function, and inflammation of dairy cows using a large array of blood parameters associated with metabolism and the innate immune system. For this purpose, 26 parameters and the concentration of certain bioactive compounds were assessed in blood plasma, collected from the Jersey cows grazing either Grass, Legume, or Forb-based pastures. In addition, serum collected from all the cows was utilized to detect the changes in NRF2 activation in bovine mammary alveolar cells (MACT) and hepatocytes. Compared with Grass, the cows that grazed both Forb and Legume pastures had lower β-hydroxybutyric acid (BHB) and creatinine and larger vitamin E and the ferric reducing ability of the plasma, supporting an improved antioxidative status for these animals. Compared with both Grass and Legume, the cows that graze Forb pasture had lower urea and urea to creatinine ratio, and lower creatinine, indicating a better kidney function. The cows grazing Legume pasture had greater hematocrit, bilirubin, cholesterol, albumin, β-carotene, retinol, and thiol groups but lower ceruloplasmin, paraoxonase, and myeloperoxidase (MPO) than those grazed Grass and Forb pastures, indicating a positive effect of Legume pasture on the liver, oxidative stress, and red blood cells. The plasma of cows in the various pastures was enriched with various isoflavonoids, especially the cows grazed on Forb and Legume pastures, which likely contributed to improving the antioxidative status of those cows. However, this effect was likely not due to the higher activation of NRF2. Overall, these results indicate that Forb and Legume pastures rich in secondary metabolites do not strongly affect the metabolism but can improve the status of the liver and the kidney and improve the efficiency of N utilization and antioxidant response, compared with the Grass pasture.
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Hirata Y, Tsunekawa Y, Takahashi M, Oh-Hashi K, Kawaguchi K, Hayazaki M, Watanabe M, Koga KI, Hattori Y, Takemori H, Furuta K. Identification of novel neuroprotective N,N-dimethylaniline derivatives that prevent oxytosis/ferroptosis and localize to late endosomes and lysosomes. Free Radic Biol Med 2021; 174:225-235. [PMID: 34407426 DOI: 10.1016/j.freeradbiomed.2021.08.015] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 08/06/2021] [Accepted: 08/12/2021] [Indexed: 11/28/2022]
Abstract
Oxidative stress has been implicated in the aging process and the progression of many neurodegenerative disorders. We previously reported that a novel oxindole compound, GIF-0726-r, effectively prevents endogenous oxidative stress, such as oxytosis/ferroptosis, an iron-dependent form of non-apoptotic cell death, in mouse hippocampal cells. In this study, using two hundred compounds that were developed based on the structure-activity relationship of GIF-0726-r, we screened for the most potent compounds that prevent glutamate- and erastin-induced oxytosis and ferroptosis. Using submicromolar concentrations, we identified nine neuroprotective compounds that have N,N-dimethylaniline as a common structure but no longer contain an oxindole ring. The most potent derivatives, GIF-2114 and GIF-2197-r (the racemate of GIF-2115 and GIF-2196), did not affect glutathione levels, had no antioxidant activity in vitro, or ability to activate the Nrf2 pathway, but prevented oxytosis/ferroptosis via reducing reactive oxygen production and decreasing ferrous ions. Furthermore, we developed fluorescent probes of GIF-2114 and GIF-2197-r to image their distribution in live cells and found that they preferentially accumulated in late endosomes/lysosomes, which play a central role in iron metabolism. These results suggest that GIF-2114 and GIF-2197-r protect hippocampal cells from oxytosis/ferroptosis by targeting late endosomes and lysosomes, as well as decreasing ferrous ions.
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Affiliation(s)
- Yoko Hirata
- Graduate School of Natural Science and Technology, Gifu University, Yanagido, Gifu, 501-1193, Japan; United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, Yanagido, Gifu, 501-1193, Japan.
| | - Yoshiyuki Tsunekawa
- Graduate School of Natural Science and Technology, Gifu University, Yanagido, Gifu, 501-1193, Japan
| | - Mayu Takahashi
- Graduate School of Natural Science and Technology, Gifu University, Yanagido, Gifu, 501-1193, Japan
| | - Kentaro Oh-Hashi
- Graduate School of Natural Science and Technology, Gifu University, Yanagido, Gifu, 501-1193, Japan; United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, Yanagido, Gifu, 501-1193, Japan
| | - Kyoka Kawaguchi
- Graduate School of Natural Science and Technology, Gifu University, Yanagido, Gifu, 501-1193, Japan
| | - Masumi Hayazaki
- Graduate School of Natural Science and Technology, Gifu University, Yanagido, Gifu, 501-1193, Japan
| | - Miyu Watanabe
- Graduate School of Natural Science and Technology, Gifu University, Yanagido, Gifu, 501-1193, Japan
| | - Ken-Ichi Koga
- Graduate School of Natural Science and Technology, Gifu University, Yanagido, Gifu, 501-1193, Japan
| | - Yurika Hattori
- Graduate School of Natural Science and Technology, Gifu University, Yanagido, Gifu, 501-1193, Japan
| | - Hiroshi Takemori
- Graduate School of Natural Science and Technology, Gifu University, Yanagido, Gifu, 501-1193, Japan; United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, Yanagido, Gifu, 501-1193, Japan.
| | - Kyoji Furuta
- Graduate School of Natural Science and Technology, Gifu University, Yanagido, Gifu, 501-1193, Japan; United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, Yanagido, Gifu, 501-1193, Japan.
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Hasheminezhad SH, Boozari M, Iranshahi M, Yazarlu O, Sahebkar A, Hasanpour M, Iranshahy M. A mechanistic insight into the biological activities of urolithins as gut microbial metabolites of ellagitannins. Phytother Res 2021; 36:112-146. [PMID: 34542202 DOI: 10.1002/ptr.7290] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 08/06/2021] [Accepted: 09/04/2021] [Indexed: 12/26/2022]
Abstract
Urolithins are the gut metabolites produced from ellagitannin-rich foods such as pomegranates, tea, walnuts, as well as strawberries, raspberries, blackberries, and cloudberries. Urolithins are of growing interest due to their various biological activities including cardiovascular protection, anti-inflammatory activity, anticancer properties, antidiabetic activity, and antiaging properties. Several studies mostly based on in vitro and in vivo experiments have investigated the potential mechanisms of urolithins which support the beneficial effects of urolithins in the treatment of several diseases such as Alzheimer's disease, type 2 diabetes mellitus, liver disease, cardiovascular disease, and various cancers. It is now obvious that urolithins can involve several cellular mechanisms including inhibition of MDM2-p53 interaction, modulation of mitogen-activated protein kinase pathway, and suppressing nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) activity. Antiaging activity is the most appealing and probably the most important property of urolithin A that has been investigated in depth in recent studies, owing to its unique effects on activation of mitophagy and mitochondrial biogenesis. A recent clinical trial showed that urolithin A is safe up to 2,500 mg/day and can improve mitochondrial biomarkers in elderly patients. Regarding the importance of mitochondria in the pathophysiology of many diseases, urolithins merit further research especially in clinical trials to unravel more aspects of their clinical significance. Besides the nutritional value of urolithins, recent studies proved that urolithins can be used as pharmacological agents to prevent or cure several diseases. Here, we comprehensively review the potential role of urolithins as new therapeutic agents with a special focus on the molecular pathways that have been involved in their biological effects. The pharmacokinetics of urolithins is also included.
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Affiliation(s)
| | - Motahareh Boozari
- Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mehrdad Iranshahi
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Omid Yazarlu
- Department of General Surgery, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maede Hasanpour
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Milad Iranshahy
- Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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Molaei E, Molaei A, Abedi F, Hayes AW, Karimi G. Nephroprotective activity of natural products against chemical toxicants: The role of Nrf2/ARE signaling pathway. Food Sci Nutr 2021; 9:3362-3384. [PMID: 34136201 PMCID: PMC8194945 DOI: 10.1002/fsn3.2320] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/15/2021] [Accepted: 04/19/2021] [Indexed: 12/18/2022] Open
Abstract
Nephropathy can occur following exposure of the kidneys to oxidative stress. Oxidative stress is the result of reactive oxygen species (ROS) formation due to intracellular catabolism or exogenous toxicant exposure. Many natural products (NPs) with antioxidant properties have been used to demonstrate that oxidative damage-induced nephrotoxicity can be ameliorated or at least reduced through stimulation of the nuclear factor erythroid 2-related factor 2 (Nrf2) signaling pathway. Nrf2 is a basic leucine zipper (bZip) transcription factor that regulates gene expression of the antioxidant response elements (ARE). Nrf2 is involved in the cellular antioxidant-detoxification machinery. Nrf2 activation is a major mechanism of nephroprotective activity for these NPs, which facilitates its entry into the nucleus, primarily by inhibiting Kelch like-ECH-associated protein 1 (Keap1). The purpose of this article was to review the peer-reviewed literature of NPs that have shown mitigating effects on renal disorder by stimulating Nrf2 and thereby suggesting potential new therapeutic or prophylactic strategies against kidney-damaging xenobiotics.
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Affiliation(s)
- Emad Molaei
- Faculty of PharmacyMashhad University of Medical SciencesMashhadIran
| | - Ali Molaei
- Faculty of MedicineMashhad University of Medical SciencesMashhadIran
| | - Farshad Abedi
- Faculty of PharmacyMashhad University of Medical SciencesMashhadIran
| | | | - Gholamreza Karimi
- Pharmaceutical Research CenterInstitute of Pharmaceutical TechnologyMashhad University of Medical SciencesMashhadIran
- Department of Pharmacodynamics and ToxicologyFaculty of PharmacyMashhad University of Medical SciencesMashhadIran
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El-Sheshtawy SM, El-Zoghby AF, Shawky NA, Samak DH. Aflatoxicosis in Pekin duckling and the effects of treatments with lycopene and silymarin. Vet World 2021; 14:788-793. [PMID: 33935429 PMCID: PMC8076458 DOI: 10.14202/vetworld.2021.788-793] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 02/10/2021] [Indexed: 12/23/2022] Open
Abstract
Background and Aim: Aflatoxins (AFs) are potent toxic metabolites produced from Aspergillus species. Whose existence in poultry ration leads to drastic economic losses, notably in duck, as the most susceptible poultry species. This study aimed to determine tissue residues of AFs, alterations in selected clinical chemistry variables in serum, mainly during the exposure period, and lycopene and silymarin’s possible roles as herbal treatments against aflatoxicosis in Pekin duckling. Materials and Methods: The study used one hundred and twenty one-day-old Pekin ducklings and classified them into four groups comprising 30 ducklings in each group. The control group (G1) ducklings were fed a mycotoxin-free ration, and G2 received a naturally contaminated ration with 30 ppb of AFs. G3 and G4 consumed contaminated rations with AFs with 30 ppb for 2 weeks and were treated with lycopene 100 mg/kg or silymarin 600 mg/kg/food, respectively, for 10 days. Serum activities of alanine transaminase and alkaline phosphatase (ALP), glutamyl transferase, ALP, total protein and albumin creatinine and uric acid concentrations, oxidant/antioxidant parameters (malondialdehyde [MDA], total antioxidant capacity (TAC), glutathione S-transferase (GST), and catalase [CAT]), and hepatic AFs residue were determined. Lycopene and silymarin were used for the treatment of aflatoxicosis for another 10 days. Results: Hepatic and kidney parameters were elevated in the AFs intoxicated group and reduced in the lycopene- and silymarin-treated groups. They had elevated MDA and AFs residues with decreased antioxidant parameters (TAC, GST, and CAT) in the AFs group. At the same time, treatment with lycopene or silymarin had reversed the action of AFs on MDA, elevated the hepatic residue, and improved antioxidant activity. Conclusion: Lycopene and silymarin, with their potent antioxidant activity, can be used to reverse the harmful effects of AFs on hepatic and kidney tissue.
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Affiliation(s)
- Sahar M El-Sheshtawy
- Toxicology Animal Health Research Institute, Tanta Branch, Agriculture Research Centre, Giza, Egypt
| | - Amal F El-Zoghby
- Animal Health Research Institute, Tanta and Zagazig Branch, Agriculture Research Centre, Giza, Egypt
| | - Nesreen A Shawky
- Animal Health Research Institute, Tanta and Zagazig Branch, Agriculture Research Centre, Giza, Egypt
| | - Dalia H Samak
- Department of Veterinary Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Damanhour University, Egypt
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Exploring the possible neuroprotective and antioxidant potency of lycopene against acrylamide-induced neurotoxicity in rats' brain. Biomed Pharmacother 2021; 138:111458. [PMID: 33711552 DOI: 10.1016/j.biopha.2021.111458] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 02/20/2021] [Accepted: 02/27/2021] [Indexed: 12/16/2022] Open
Abstract
Acrylamide (Ac) is a carbonyl compound extracted from hydrated acrylonitrile with a significantly high chemical activity. It is widely existed and used in food processing, industrial manufacturing and laboratory personnel work. However, lycopene (Ly) is a most potent natural antioxidant among various common carotenoids extracted from red plants. Nevertheless, little is known about the relationship of Ac-induced neurotoxicity and the ameliorative role of Ly in the regulation of oxidative and antioxidant capacity during Ac exposure. Therefore, this work sought to investigate the neurotoxicity induced by Ac exposure and the potential modulatory role of Ly by reversing the brain dysfunctions during Ac exposure. For this purpose, forty male albino rats were assigned into four equal groups. Control group received distilled water, Ly group was given with a daily dose of 10 mg/kg bw, Ac group was given with a daily dose of 25 mg/kg bw, and Ac-Ly group was gavaged Ac plus Ly at the same doses as the former groups. All treatments were given orally for 21 consecutive days. The concentrations of antioxidants (reduced glutathione and glutathione peroxidase) and oxidative stress (malondialdehyde, nitric oxide and protein carbonyl) biomarkers, as well as neurotransmitters (serotonin and dopamine) and acetylcholinesterase (AChE) were measured in the brain homogenates. An immunohistochemical staining was applied with anti-GFPA antibody to determine the severity of astrocytosis. The in vivo study with rat model demonstrated that Ac exposure significantly decline the hematological parameters, brain neurotransmitters concentrations and AChE activity, as well as levels of antioxidant biomarkers but markedly elevate the levels of oxidative stress biomarkers. Moreover, marked histological alterations and astrocytosis were observed through the increased number of GFAP immunopositively cells in cerebral, cerebellar and hippocampal tissues compared with the other groups. Interestingly, almost all of the previously mentioned parameters were retrieved in Ac-Ly group compared to Ac group. These findings conclusively indicate that Ly oral administration provides adequate protection against the neurotoxic effects of Ac on rat brain tissue function and structure through modulations of oxidative and antioxidant activities.
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El Shaffei I, Abdel-Latif GA, Farag DB, Schaalan M, Salama RM. Ameliorative effect of betanin on experimental cisplatin-induced liver injury; the novel impact of miRNA-34a on the SIRT1/PGC-1α signaling pathway. J Biochem Mol Toxicol 2021; 35:1-14. [PMID: 33661552 DOI: 10.1002/jbt.22753] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 01/21/2021] [Accepted: 02/24/2021] [Indexed: 12/27/2022]
Abstract
The anticancer agent, cisplatin (CIS), is associated with hepatotoxic effects related to activation of oxidative stress and inflammation pathways. CIS-induced oxidative DNA damage reduces sirtuin 1 (SIRT1) activity, which in turn, modulates the activity of peroxisome proliferator-activated receptor-gamma coactivator 1-alpha (PGC-1α). Moreover, microRNA-34a (miRNA-34a) was shown to hinder both SIRT1 and nuclear factor erythroid 2-related factor 2 (Nrf2) activity. Thus, targeting such a pathway can alleviate CIS-induced hepatotoxicity. Betanin (BET) is a natural red glycoside food dye obtained from beets, which is reported to exhibit antioxidant function. However, its role in CIS-induced liver injury and the molecular mechanism has not been fully elucidated. Thus, the aim of this study was to investigate the ameliorative effect of BET on CIS-induced acute hepatotoxicity through the SIRT1/PGC-1α signaling pathway and illustrate the impact of miRNA-34a. Seventy-two rats were divided into six equal groups: (1) Control, (2) BET, (3) CIS, (4) CIS/BET, (5) CIS/EX527, and (6) CIS/BET/EX527. CIS-induced liver injury was evidenced by deregulated BAX and BCL2 levels, decreased levels of AMP-activated protein kinase and PGC-1α expression, and decreased SIRT1 activity. Consequently, reduced levels of Nrf2 and the expression of associated heme oxygenase-1 and glutamate-cysteine ligase modifier subunit were observed. Intriguingly, BET succeeded in reducing the CIS-induced liver injury through reducing miRNA-34a expression and enhancing the SIRT1/PGC-1α pathway. These findings coincide with the molecular docking results and the histopathological picture. In conclusion, the current research provided novel findings of the BET ameliorative effect on CIS-induced liver injury through modulating miRNA-34a expression and the SIRT1/PGC-1α signaling cascade.
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Affiliation(s)
- Ismail El Shaffei
- Biochemistry Department, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
| | - Ghada A Abdel-Latif
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
| | - Doaa B Farag
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Misr International University, Cairo, Egypt
| | - Mona Schaalan
- Pharmacy Practice and Clinical Pharmacy Department, Translational and Clinical Research Unit, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
| | - Rania M Salama
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
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Shi J, Zhou X, Zhao Y, Tang X, Feng L, Wang B, Chen J. The three-spot seahorse-derived peptide PAGPRGPA attenuates ethanol-induced oxidative stress in LO2 cells through MAPKs, the Keap1/Nrf2 signalling pathway and amino acid metabolism. Food Funct 2021; 12:1672-1687. [PMID: 33496711 DOI: 10.1039/d0fo02457k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Alcoholic liver diseases (ALDs) impose a substantial health burden on many countries. Bioactive peptides isolated from people, marine organisms, animals and plants have shown hepatoprotective effects on animal and hepatocyte models. In this study, an LO2 cell model of ethanol-induced liver injury in vitro was constructed. We investigated the hepatoprotective effects of the three-spot seahorse bioactive peptide (SBP) PAGPRGPA (Pro-Ala-Gly-Pro-Arg-Gly-Pro-Ala; 721.39 Da) and characterised the underlying metabolic pathways and biomarkers through a nontargeted metabolomics approach. We found that ethanol-induced oxidative stress impaired the cellular antioxidant system, leading to an imbalance in cellular homeostasis. However, SBP with a certain antioxidant activity inhibited reactive oxygen species (ROS) production, excessive intracellular Ca2+ level and abnormal apoptosis. It also restored the superoxide dismutase (SOD) and glutathione (GSH) levels and attenuated ethanol-induced oxidative damage and inflammation. SBP suppressed the activation of mitogen-activated protein kinase (MAPK) in ethanol-stimulated LO2 cells. It also regulated the Kelch-like ECH-associated protein 1 (Keap1)/nuclear factor erythroid 2-related factor 2 (Nrf2) signalling pathway to protect LO2 cells from oxidative damage by promoting the expression of antioxidant enzymes, such as heme oxygenase-1 (HO-1). Furthermore, the metabolomics approach demonstrated nine different biomarkers and six metabolic pathways. In summary, the hepatoprotective mechanisms of SBP in vitro, which can be attributed to the upregulation of antioxidant substances and amino acid metabolism, attenuate ethanol-induced oxidative stress.
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Affiliation(s)
- Jie Shi
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province; Engineering Research Center of Utilization of Tropical polysaccharide resources, Ministry of Education; College of Food Science and Technology, Hainan University, Haikou 570228, P. R. China.
| | - Xin Zhou
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province; Engineering Research Center of Utilization of Tropical polysaccharide resources, Ministry of Education; College of Food Science and Technology, Hainan University, Haikou 570228, P. R. China.
| | - Ying Zhao
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education, Key Laboratory of Germplasm Resource Biology of Tropical Special Ornamental Plants of Hainan Province, Wuzhishan National Long Term Forest Ecosystem Monitoring Research Station, College of Forestry, Hainan University, Haikou 570228, P. R. China
| | - Xuemei Tang
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province; Engineering Research Center of Utilization of Tropical polysaccharide resources, Ministry of Education; College of Food Science and Technology, Hainan University, Haikou 570228, P. R. China.
| | - Lu Feng
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province; Engineering Research Center of Utilization of Tropical polysaccharide resources, Ministry of Education; College of Food Science and Technology, Hainan University, Haikou 570228, P. R. China.
| | - Boyuan Wang
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province; Engineering Research Center of Utilization of Tropical polysaccharide resources, Ministry of Education; College of Food Science and Technology, Hainan University, Haikou 570228, P. R. China.
| | - Jian Chen
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province; Engineering Research Center of Utilization of Tropical polysaccharide resources, Ministry of Education; College of Food Science and Technology, Hainan University, Haikou 570228, P. R. China.
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Protective Effect of Oligonol on Dimethylnitrosamine-Induced Liver Fibrosis in Rats via the JNK/NF-κB and PI3K/Akt/Nrf2 Signaling Pathways. Antioxidants (Basel) 2021; 10:antiox10030366. [PMID: 33671028 PMCID: PMC7997446 DOI: 10.3390/antiox10030366] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 02/21/2021] [Accepted: 02/24/2021] [Indexed: 12/11/2022] Open
Abstract
Oligonol is a low molecular weight polyphenol product derived from lychee fruit by a manufacturing process. We investigated oligonol’s anti-fibrotic effect and the underlying mechanism in dimethylnitrosamine (DMN)-induced chronic liver damage in male Sprague–Dawley rats. Oral administration of oligonol (10 and 20 mg/kg body weight) ameliorated the DMN-induced abnormalities in liver histology and serum parameters in rats. Oligonol prevented the DMN-induced elevations of TNF-α, IL-1β, IL-6, cyclooxygenase-2, and inducible nitric oxide synthase expressions at the mRNA level. NF-κB activation and JNK phosphorylation in DMN-treated rats were ablated by oligonol. Oligonol reduced the enhanced production of hepatic malondialdehyde and reactive oxygen species and recovered protein SH, non-protein SH levels, and catalase activity in the DMN treated liver. Nrf2 translocation into the nucleus was enhanced, and PI3K and phosphorylated Akt levels were increased by administering oligonol. The level of hepatic fibrosis-related factors such as α-smooth muscle actin, transforming growth factor-β1, and type I collagen was reduced in rats treated with oligonol. Histology and immunohistochemistry analysis showed that the accumulation of collagen and activation of hepatic stellate cells (HSCs) in liver tissue were restored by oligonol treatment. Taken together, oligonol showed antioxidative, hepatoprotective, and anti-fibrotic effects via JNK/NF-κB and PI3K/Akt/Nrf2 signaling pathways in DMN-intoxicated rats. These results suggest that antioxidant oligonol is a potentially useful agent for the protection against chronic liver injury.
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Dai XY, Li XW, Zhu SY, Li MZ, Zhao Y, Talukder M, Li YH, Li JL. Lycopene Ameliorates Di(2-ethylhexyl) Phthalate-Induced Pyroptosis in Spleen via Suppression of Classic Caspase-1/NLRP3 Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:1291-1299. [PMID: 33475360 DOI: 10.1021/acs.jafc.0c06534] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Lycopene (Lyc) as a natural antioxidant has attracted widespread attention. Di(2-ethylhexyl) phthalate (DEHP) can cause serious spleen injury in animals via the environment and food chain. For investigation of whether Lyc could alleviate DEHP-exerted pyroptosis in spleen through inhibiting the Caspase-1/NLRP3 pathway activation, 140 male mice were randomly divided into 7 groups: control group, vehicle control group, Lyc group (5 mg/kg BW/day), DEHP-exposed group (500 or 1000 mg/kg BW/day, respectively), and DEHP + Lyc groups by daily administration for 28 days. Pathological results showed that the supplementation of Lyc alleviated DEHP-induced inflammatory infiltration. Moreover, the addition of Lyc inhibited DEHP-induced Caspase-1, NLRP3, ASC, NF-κB, IL-1β, and IL-18 overexpression and GSDMD down-expression. These results indicate that Lyc could inhibit DEHP-induced Caspase-1-dependent pyroptosis and the inflammatory response. Taken together, the study provided new evidence that Lyc may be a strategy to mitigate spleen injury induced by DEHP.
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Affiliation(s)
| | | | | | | | | | - Milton Talukder
- Department of Physiology and Pharmacology, Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University, Barishal 8210, Bangladesh
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Sanjay S, Girish C, Toi PC, Bobby Z. Gallic acid attenuates isoniazid and rifampicin-induced liver injury by improving hepatic redox homeostasis through influence on Nrf2 and NF-κB signalling cascades in Wistar Rats. J Pharm Pharmacol 2021; 73:473-486. [PMID: 33793834 DOI: 10.1093/jpp/rgaa048] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 12/07/2020] [Indexed: 12/12/2022]
Abstract
OBJECTIVES Anti-TB drugs-isoniazid and rifampicin induced hepatotoxicity present a significant clinical problem. We aimed to evaluate the beneficial effect of gallic acid in anti-TB drug-induced liver injury in vivo and for the mechanism of action, we explored the influence of gallic acid on Nrf2 and NF-κB pathways. METHODS We assessed serum liver function tests and histopathological analysis for the preventive effect of gallic acid on liver injury. For exploring the beneficial mechanism, we studied Nrf2 and NF-κB signalling pathways using molecular assays. Subsequently, we conducted in vitro cytotoxicity assays with Nrf2(ML385) and NF-κB(BAY 11-7085) antagonists. KEY FINDINGS Gallic acid co-administration attenuated the elevation of liver function enzymes, hepatic necrosis and inflammation compared to the anti-TB drug treatment alone. Mechanistic investigations reveal that gallic acid increased Nrf2 activation and induction of its downstream targets, preventing cytotoxicity by isoniazid and rifampicin. The protective effect of gallic acid diminished in the presence of Nrf2 antagonists in vitro. Furthermore, we found that gallic acid treatment inhibited NF-κB/TLR-4 axis upregulated by the anti-TB drugs. CONCLUSIONS Gallic acid is effective in preventing isoniazid and rifampicin induced hepatotoxicity in vivo by improving the redox homeostasis by activating Nrf2 and inhibiting NF-κB signalling pathways.
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Affiliation(s)
| | | | - Pampa Ch Toi
- Department of Pathology, JIPMER, Puducherry, India
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Xanthis V, Fitsiou E, Voulgaridou GP, Bogadakis A, Chlichlia K, Galanis A, Pappa A. Antioxidant and Cytoprotective Potential of the Essential Oil Pistacia lentiscus var . chia and Its Major Components Myrcene and α-Pinene. Antioxidants (Basel) 2021; 10:antiox10010127. [PMID: 33477450 PMCID: PMC7830477 DOI: 10.3390/antiox10010127] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 12/31/2022] Open
Abstract
The antioxidant, cytoprotective, and wound-healing potential of the essential oil from the resin of Pistacia lentiscus var. chia (mastic oil) was evaluated, along with that of its major components, myrcene and α-pinene. Antioxidant potential was monitored as: (i) direct antioxidant activity as assessed by 2,2-di-phenyl-1-picrylhydrazyl (DPPH), 2,2-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid), and ABTS assays; (ii) DNA damage protection activity; and (iii) cytoprotective activity as assessed via induction of transcription of genes related to the antioxidant response in human keratinocyte cells (HaCaT). The cytoprotective potential of the test substances was further evaluated against ultraviolet radiation B (UVB)- or H2O2-induced oxidative damage, whereas their regenerative capability was accessed by monitoring the wound closure rate in HaCaT. Μastic oil and major components did not show significant direct antioxidant activity, however they increased the mRNA levels of antioxidant response genes, suggesting indirect antioxidant activity. Treatment of HaCaT with the test substances before and after UVB irradiation resulted in increased cell viability in the cases of pre-treatment with mastic oil or post-treatment with myrcene. Increased cytoprotection was also observed in the case of cell treatment with mastic oil or its major components prior to H2O2 exposure. Finally, mastic oil and myrcene demonstrated a favorable dose-dependent effect for cell migration and wound closure. Collectively, mastic essential oil may exert its promising cytoprotective properties through indirect antioxidant mechanisms.
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Affiliation(s)
| | | | | | | | | | - Alex Galanis
- Correspondence: (A.G.); (A.P.); Tel.: +30-25510-30634 (A.G.); +30-25510-30625 (A.P.)
| | - Aglaia Pappa
- Correspondence: (A.G.); (A.P.); Tel.: +30-25510-30634 (A.G.); +30-25510-30625 (A.P.)
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Di Stasi LC. Coumarin Derivatives in Inflammatory Bowel Disease. Molecules 2021; 26:molecules26020422. [PMID: 33467396 PMCID: PMC7830946 DOI: 10.3390/molecules26020422] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 12/21/2020] [Accepted: 12/23/2020] [Indexed: 12/12/2022] Open
Abstract
Inflammatory bowel disease (IBD) is a non-communicable disease characterized by a chronic inflammatory process of the gut and categorized into Crohn’s disease and ulcerative colitis, both currently without definitive pharmacological treatment and cure. The unclear etiology of IBD is a limiting factor for the development of new drugs and explains the high frequency of refractory patients to current drugs, which are also related to various adverse effects, mainly after long-term use. Dissatisfaction with current therapies has promoted an increased interest in new pharmacological approaches using natural products. Coumarins comprise a large class of natural phenolic compounds found in fungi, bacteria, and plants. Coumarin and its derivatives have been reported as antioxidant and anti-inflammatory compounds, potentially useful as complementary therapy of the IBD. These compounds produce protective effects in intestinal inflammation through different mechanisms and signaling pathways, mainly modulating immune and inflammatory responses, and protecting against oxidative stress, a central factor for IBD development. In this review, we described the main coumarin derivatives reported as intestinal anti-inflammatory products and its available pharmacodynamic data that support the protective effects of these products in the acute and subchronic phase of intestinal inflammation.
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Affiliation(s)
- Luiz C Di Stasi
- Laboratory of Phytomedicines, Pharmacology, and Biotechnology (PhytoPharmaTech), Department of Biophysics and Pharmacology, Institute of Biosciences, São Paulo State University (UNESP), 18618-689 Botucatu, SP, Brazil
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Silva JM, Nobre MSC, Albino SL, Lócio LL, Nascimento APS, Scotti L, Scotti MT, Oshiro-Junior JA, Lima MCA, Mendonça-Junior FJB, Moura RO. Secondary Metabolites with Antioxidant Activities for the Putative Treatment of Amyotrophic Lateral Sclerosis (ALS): "Experimental Evidences". OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:5642029. [PMID: 33299526 PMCID: PMC7707995 DOI: 10.1155/2020/5642029] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 10/02/2020] [Accepted: 10/04/2020] [Indexed: 12/22/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal motor neuron disorder that is characterized by progressive loss of the upper and lower motor neurons at the spinal or bulbar level. Oxidative stress (OS) associated with mitochondrial dysfunction and the deterioration of the electron transport chain are factors that contribute to neurodegeneration and perform a potential role in the pathogenesis of ALS. Natural antioxidant molecules have been proposed as an alternative form of treatment for the prevention of age-related neurological diseases, in which ALS is included. Researches support that regulations in cellular reduction/oxidation (redox) processes are being increasingly implicated in this disease, and antioxidant drugs are aimed at a promising pathway to treatment. Among the strategies used for obtaining new drugs, we can highlight the isolation of secondary metabolite compounds from natural sources that, along with semisynthetic derivatives, correspond to approximately 40% of the drugs found on the market. Among these compounds, we emphasize oxygenated and nitrogenous compounds, such as flavonoids, coumarins, and alkaloids, in addition to the fatty acids, that already stand out in the literature for their antioxidant properties, consisting in a part of the diets of millions of people worldwide. Therefore, this review is aimed at presenting and summarizing the main articles published within the last years, which represent the therapeutic potential of antioxidant compounds of natural origin for the treatment of ALS.
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Affiliation(s)
- Jamire M. Silva
- Postgraduate Program in Pharmaceutical Sciences-PPGCF, Department of Pharmacy, Federal University of Pernambuco, 50670-901 Recife PB, Brazil
- Drug Development and Synthesis Laboratory, Department of Pharmacy, State University of Paraiba, 58429-500 Campina Grande PB, Brazil
| | - Michelangela S. C. Nobre
- Postgraduate Program in Pharmaceutical Sciences-PPGCF, Department of Pharmacy, Federal University of Pernambuco, 50670-901 Recife PB, Brazil
- Drug Development and Synthesis Laboratory, Department of Pharmacy, State University of Paraiba, 58429-500 Campina Grande PB, Brazil
| | - Sonaly L. Albino
- Drug Development and Synthesis Laboratory, Department of Pharmacy, State University of Paraiba, 58429-500 Campina Grande PB, Brazil
- Postgraduate Program in Pharmaceutical Sciences-PPGCF, Department of Pharmacy, State University of Paraiba, 58429-500 Campina Grande PB, Brazil
| | - Lucas L. Lócio
- Drug Development and Synthesis Laboratory, Department of Pharmacy, State University of Paraiba, 58429-500 Campina Grande PB, Brazil
- Postgraduate Program in Pharmaceutical Sciences-PPGCF, Department of Pharmacy, State University of Paraiba, 58429-500 Campina Grande PB, Brazil
| | - Agnis P. S. Nascimento
- Drug Development and Synthesis Laboratory, Department of Pharmacy, State University of Paraiba, 58429-500 Campina Grande PB, Brazil
- Graduate Program in Chemistry-PPGQ, Department of Chemistry, State University of Paraiba, 58429-500 Campina Grande PB, Brazil
| | - Luciana Scotti
- Laboratory of Cheminformatics, Program of Natural and Synthetic Bioactive Products, Federal University of Paraiba, João Pessoa PB, Brazil
| | - Marcus T. Scotti
- Laboratory of Cheminformatics, Program of Natural and Synthetic Bioactive Products, Federal University of Paraiba, João Pessoa PB, Brazil
| | - João A. Oshiro-Junior
- Postgraduate Program in Pharmaceutical Sciences-PPGCF, Department of Pharmacy, State University of Paraiba, 58429-500 Campina Grande PB, Brazil
| | - Maria C. A. Lima
- Postgraduate Program in Pharmaceutical Sciences-PPGCF, Department of Pharmacy, Federal University of Pernambuco, 50670-901 Recife PB, Brazil
| | - Francisco J. B. Mendonça-Junior
- Laboratory of Synthesis and Drug Delivery, Department of Biological Sciences, State University of Paraiba, 58071-160 João Pessoa PB, Brazil
| | - Ricardo O. Moura
- Drug Development and Synthesis Laboratory, Department of Pharmacy, State University of Paraiba, 58429-500 Campina Grande PB, Brazil
- Postgraduate Program in Pharmaceutical Sciences-PPGCF, Department of Pharmacy, State University of Paraiba, 58429-500 Campina Grande PB, Brazil
- Graduate Program in Chemistry-PPGQ, Department of Chemistry, State University of Paraiba, 58429-500 Campina Grande PB, Brazil
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Yarmohammadi F, Rezaee R, Karimi G. Natural compounds against doxorubicin-induced cardiotoxicity: A review on the involvement of Nrf2/ARE signaling pathway. Phytother Res 2020; 35:1163-1175. [PMID: 32985744 DOI: 10.1002/ptr.6882] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 08/01/2020] [Accepted: 08/28/2020] [Indexed: 12/12/2022]
Abstract
Cardiotoxicity is the main concern for long-term use of the doxorubicin (DOX). Reactive oxygen species (ROS) generation leads to oxidative stress that significantly contributes to the cardiac damage induced by DOX. The nuclear factor erythroid 2-related factor (Nrf2) acts as a protective player against DOX-induced myocardial oxidative stress. Several natural compounds (NCs) with anti-oxidative effects, were examined to suppress DOX cardiotoxicity such as asiatic acid, α-linolenic acid, apigenin, baicalein, β-lapachone, curdione, dioscin, ferulic acid, Ganoderma lucidum polysaccharides, genistein, ginsenoside Rg3, indole-3-carbinol, naringenin-7-O-glucoside, neferine, p-coumaric acid, pristimerin, punicalagin, quercetin, sulforaphane, and tanshinone IIA. The present article, reviews NCs that showed protective effects against DOX-induced cardiac injury through induction of Nrf2 signaling pathway.
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Affiliation(s)
- Fatemeh Yarmohammadi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ramin Rezaee
- Clinical Research Unit, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gholamreza Karimi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Institute of Pharmaceutical Technology, Mashhad University of Medical Sciences, Mashhad, Iran
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Yarmohammadi F, Wallace Hayes A, Najafi N, Karimi G. The protective effect of natural compounds against rotenone‐induced neurotoxicity. J Biochem Mol Toxicol 2020; 34:e22605. [DOI: 10.1002/jbt.22605] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 06/08/2020] [Accepted: 08/10/2020] [Indexed: 12/14/2022]
Affiliation(s)
- Fatemeh Yarmohammadi
- Student Research Committee Mashhad University of Medical Sciences Mashhad Iran
- Department of Pharmacodynamics and Toxicology, School of Pharmacy Mashhad University of Medical Sciences Mashhad Iran
| | - A. Wallace Hayes
- Institute for Integrative Toxicology University of South Florida Tampa Florida
- Institute for Integrative Toxicology Michigan State University East Lansing Michigan
| | - Nahid Najafi
- Student Research Committee Mashhad University of Medical Sciences Mashhad Iran
- Department of Pharmacodynamics and Toxicology, School of Pharmacy Mashhad University of Medical Sciences Mashhad Iran
| | - Gholamreza Karimi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy Mashhad University of Medical Sciences Mashhad Iran
- Pharmaceutical Research Center, Pharmaceutical Technology Institute Mashhad University of Medical Sciences Mashhad Iran
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Tugcu G, Kırmızıbekmez H, Aydın A. The integrated use of in silico methods for the hepatotoxicity potential of Piper methysticum. Food Chem Toxicol 2020; 145:111663. [PMID: 32827561 DOI: 10.1016/j.fct.2020.111663] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 06/27/2020] [Accepted: 07/30/2020] [Indexed: 02/07/2023]
Abstract
Herbal products as supplements and therapeutic intervention have been used for centuries. However, their toxicities are not completely evaluated and the mechanisms are not clearly understood. Dried rhizome of the plant kava (Piper methysticum) is used for its anxiolytic, and sedative effects. The drug is also known for its hepatotoxicity potential. Major constituents of the plant were identified as kavalactones, alkaloids and chalcones in previous studies. Kava hepatotoxicity mechanism and the constituent that causes the toxicity have been debated for decades. In this paper, we illustrated the use of computational tools for the hepatotoxicity of kava constituents. The proposed mechanisms and major constituents that are most probably responsible for the toxicity have been scrutinized. According to the experimental and prediction results, the kava constituents play a substantial role in hepatotoxicity by some means or other via glutathione depletion, CYP inhibition, reactive metabolite formation, mitochondrial toxicity and cyclooxygenase activity. Some of the constituents, which have not been tested yet, were predicted to involve mitochondrial membrane potential, caspase-3 stimulation, and AhR activity. Since Nrf2 activation could be favorable for prevention of hepatotoxicity, we also suggest that these compounds should undergo testing given that they were predicted not to be activating Nrf2. Among the major constituents, alkaloids appear to be the least studied and the least toxic group in general. The outcomes of the study could help to appreciate the mechanisms and to prioritize the kava constituents for further testing.
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Affiliation(s)
- Gulcin Tugcu
- Yeditepe University, Faculty of Pharmacy, Department of Toxicology, 34755, Atasehir, Istanbul, Turkey
| | - Hasan Kırmızıbekmez
- Yeditepe University, Faculty of Pharmacy, Department of Pharmacognosy, 34755, Atasehir, Istanbul, Turkey
| | - Ahmet Aydın
- Yeditepe University, Faculty of Pharmacy, Department of Toxicology, 34755, Atasehir, Istanbul, Turkey.
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Jandari S, Hatami E, Ziaei R, Ghavami A, Yamchi AM. The effect of pomegranate (Punica granatum) supplementation on metabolic status in patients with type 2 diabetes: A systematic review and meta-analysis. Complement Ther Med 2020; 52:102478. [DOI: 10.1016/j.ctim.2020.102478] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/07/2020] [Accepted: 06/08/2020] [Indexed: 12/15/2022] Open
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Oh Y, Ahn CB, Je JY. Low molecular weight blue mussel hydrolysates inhibit adipogenesis in mouse mesenchymal stem cells through upregulating HO-1/Nrf2 pathway. Food Res Int 2020; 136:109603. [PMID: 32846625 DOI: 10.1016/j.foodres.2020.109603] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 07/08/2020] [Accepted: 07/24/2020] [Indexed: 10/23/2022]
Abstract
Blue mussel proteins are a good source of bioactive peptides. In this study, blue mussel hydrolysate (BMH) with anti-adipogenic effect in mouse mesenchymal stem cells (mMSC) was produced by peptic hydrolysis at 1:500 of pepsin/substrate ratio for 120 min. Additionally, BMH with below 1 kDa (BMH < 1 kDa) showed the highest anti-adipogenic effect in mMSC. BMH < 1 kDa increased lipolysis and down-regulated adipogenic transcription factors including peroxisome proliferator-activated receptor gamma (PPARγ), CCAAT/enhancer-binding protein α (C/EBPα), and sterol regulatory element-binding protein 1 (SREBP1). Generation of intracellular reactive oxygen species during adipogenesis was markedly decreased by BMH < 1 kDa treatment, which is attributed to the up-regulation of heme oxygenase-1 (HO-1) through Nrf2 translocation into the nucleus. Moreover, ZnPP, HO-1 inhibitor, treatment abolished BMH < 1 kDa-mediated HO-1 expression and anti-adipogenic effect in mMSCs through down-regulating adipogenic transcription factors. Taken together, BMH < 1 kDa may be a potential ingredient of nutraceuticals and/or functional foods in ameliorating obesity.
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Affiliation(s)
- Yunok Oh
- Institute of Marine Life Sciences, Pukyong National University, Busan 48513, Republic of Korea
| | - Chang-Bum Ahn
- Division of Food and Nutrition, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Jae-Young Je
- Department of Marine-Bio Convergence Science, Pukyong National University, Busan 48547, Republic of Korea.
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S-allylmercaptocysteine improves nonalcoholic steatohepatitis by enhancing AHR/NRF2-mediated drug metabolising enzymes and reducing NF-κB/IκBα and NLRP3/6-mediated inflammation. Eur J Nutr 2020; 60:961-973. [PMID: 32556446 DOI: 10.1007/s00394-020-02305-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 06/08/2020] [Indexed: 12/11/2022]
Abstract
PURPOSE To investigate the novel molecular mechanisms of the antioxidant and anti-inflammatory properties of S-allylmercaptocysteine (SAMC) based on a transcriptomic study in a nonalcoholic steatohepatitis (NASH) rat model METHODS: NASH was induced in Sprague-Dawley rats by feeding with a high fat diet (HFD) for 12 weeks. 200 mg/kg SAMC was fed by oral gavage for 4 weeks from 9 to 12 week. RESULTS SAMC co-administration attenuated HFD-induced liver injury, including the increased serum ALT, hepatic oxidative stress and inflammation. Transcriptomic analysis revealed that SAMC dramatically induced the XRE- and ARE-driven drug metabolising enzymes (DMEs) including Akr7a3, Akr1b8, and Nqo1. The nuclear translocation of the upstream regulator of xenobiotics metabolism, AHR, and regulator of antioxidant responses, NRF2, were significantly increased by SAMC treatment. Furthermore, SAMC counteracted the effects of HFD on NF-κB/IκB and NLRP3/6 pathways with decreasing protein levels of ASC, cleaved caspase-1, IL-18, and IL-1β. These results were further verified in another mice NASH model induced by an MCD diet with SAMC co-administration. CONCLUSION We propose that SAMC triggers AHR/NRF2-mediated antioxidant responses which may further suppress the NLRP3/6 inflammasome pathway and NF-κB activation, contributing to the improvement of NASH.
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Lv H, Zhu C, Wei W, Lv X, Yu Q, Deng X, Ci X. Enhanced Keap1-Nrf2/Trx-1 axis by daphnetin protects against oxidative stress-driven hepatotoxicity via inhibiting ASK1/JNK and Txnip/NLRP3 inflammasome activation. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2020; 71:153241. [PMID: 32454347 DOI: 10.1016/j.phymed.2020.153241] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 03/24/2020] [Accepted: 05/06/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Oxidative stress-triggered fatal hepatotoxicity is an essential pathogenic factor in acute liver failure (ALF). AIMS To investigate the protective effect of daphnetin (Daph) on tert-butyl hydroperoxide (t-BHP) and acetaminophen (APAP)-induced hepatotoxicity through altering Nrf2/Trx-1 pathway activation. MATERIALS AND METHODS In vivo, male C57BL/6 mice with Wild-type (WT) and Nrf2-/- were divided into five groups and acute liver injury model were established by APAP or LPS/GalN after injection with Daph (20, 40, or 80 mg/kg), seperately. Then, liver tissue and serum were collected for biochemical determination, TUNEL and H & E staining, and western blot analysis. In vitro, HepG2 cells were used to investigate the protective effect and mechanism of daphnetin against ROS and apoptosis induced by t-BHP via apoptosis detection, western blot, immunofluorescence analysis, and sgRNA transfection. RESULTS Our results indicated that Daph efficiently inhibited t-BHP-stimulated hepatotoxicity, and modulated Trx-1 expression and Nrf2 activation which decreased Keap1-overexpression in HepG2 cells. Moreover, Daph inhibited t-BHP-excited hepatotoxicity and enhanced Trx-1 expression, which was reversed in Nrf2-/- HepG2 cells. In vivo, a survival rate analysis first suggested that Daph significantly reduced the lethality induced by APAP or GalN/LPS in a Nrf2-dependent or -independent manner by using Nrf2-/- mice, respectively. Next, further results implicated that Daph not only effectively alleviated APAP-induced an increase of ALT and AST levels, histopathological changes, ROS overproduction, malondialdehyde (MDA) formation and GSH/GSSG reduction, but it also relieved hepatic apoptosis by strengthening the suppression of cleaved-caspase-3 and expression of P53 protein. Additionally, Daph attenuated mitochondrial dysfunction by suppressing ASK1/JNK activation and decreasing apoptosis-inducing factor (AIF) and Cytochrome c release and Bax mitochondrial translocation. Daph inhibited inflammatory responses by inactivating the thioredoxin-interacting protein (Txnip)/NLRP3 inflammasome. Furthermore, Daph efficiently enhanced Nrf2 nuclear translocation and Trx-1 expression. However, these effects in WT mice were eliminated in Nrf2-/- mice. CONCLUSIONS These investigations demonstrated that Daph treatment has protective potential against oxidative stress-driven hepatotoxicity by inhibition of ASK1/JNK and Txnip/NLRP3 activation, which may be strongly related to the Nrf2/Trx-1 upregulation.
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Affiliation(s)
- Hongming Lv
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China
| | - Chao Zhu
- Department of Ophthalmology, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun, China
| | - Wei Wei
- Department of Urology, The First Hospital of Jilin University, Changchun, China
| | - Xiaohong Lv
- Department of Respiration, The First Hospital of Jilin University, Changchun, China
| | - Qinlei Yu
- Jilin Provincial Animal Disease Control Center, 4510 Xi'an Road, Changchun 130062, China
| | - Xuming Deng
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China
| | - Xinxin Ci
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China.
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Kopacz A, Werner E, Kloska D, Hajduk K, Fichna J, Jozkowicz A, Piechota-Polanczyk A. Nrf2 transcriptional activity in the mouse affects the physiological response to tribromoethanol. Biomed Pharmacother 2020; 128:110317. [PMID: 32485566 DOI: 10.1016/j.biopha.2020.110317] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/21/2020] [Accepted: 05/22/2020] [Indexed: 12/15/2022] Open
Abstract
Up to date, there is no information on the influence of 2,2,2-tribromoethanol (TBE; Avertin), a commonly used anaesthetic, on mice with impaired antioxidant capacity. We aimed to analyse the effect of a single dose of Avertin on anaesthesia duration time, inflammatory response, oxidative stress and collagen deposition in the large intestine of Nrf2 transcriptional knockout mice (tNrf2-/-). The studies were performed on six-month-old female mice Nrf2+/+ and tNrf2-/- randomly assigned to Avertin (250 mg/kg b.w. single i.p. injection) or vehicle group. We observed a 2-fold increase in anaesthesia time and longer recovery time (p = 0.015) in tNrf2-/- in comparison to Nrf2+/+. However, no hepato- or nephrotoxicity was detected. Interestingly, we found severe changes in colon morphology of untreated tNrf2-/- mice associated with colon shortening (p = 0.02) and thickening (p = 0.015). Avertin treatment caused colon damage manifested with epithelial layer damage and goblet depletion in Nrf2+/+ mice but not in tNrf2-/- individuals. Additionally, Avertin did not induce oxidative stress in colon tissue, but it increased leukocyte infiltration in Nrf2+/+ mice (p = 0.02). Immunofluorescent staining also revealed enhanced deposition of collagen I and collagen III in the colon of untreated tNrf2-/- mice. Avertin contributed to increased deposition of collagen I in Nrf2+/+ mice but reduced deposition of collagen I and III in tNrf2-/- individuals. In conclusion, tNrf2-/- respond to Avertin with prolonged anaesthesia that is not associated with acute toxicity, inflammatory reaction or enhanced oxidative stress. Avertin does not impair intestine morphology in tNrf2-/- mice but can normalise the enhanced fibrosis.
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Affiliation(s)
- A Kopacz
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - E Werner
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland; Department of Animal Reproduction and Anatomy, Faculty of Animal Science, University of Agriculture, Krakow, Poland
| | - D Kloska
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - K Hajduk
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - J Fichna
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - A Jozkowicz
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - A Piechota-Polanczyk
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland.
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50
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Carino A, Biagioli M, Marchianò S, Fiorucci C, Bordoni M, Roselli R, Di Giorgio C, Baldoni M, Ricci P, Monti MC, Morretta E, Zampella A, Distrutti E, Fiorucci S. Opposite effects of the FXR agonist obeticholic acid on Mafg and Nrf2 mediate the development of acute liver injury in rodent models of cholestasis. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1865:158733. [PMID: 32371093 DOI: 10.1016/j.bbalip.2020.158733] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 04/22/2020] [Accepted: 04/27/2020] [Indexed: 12/11/2022]
Abstract
The farnesoid-X-receptor (FXR) is validated target in the cholestatic disorders treatment. Obeticholic acid (OCA), the first in class of FXR agonist approved for clinical use, causes side effects including acute liver decompensation when administered to cirrhotic patients with primary biliary cholangitis at higher than recommended doses. The V-Maf avian-musculoaponeurotic-fibrosarcoma-oncogene-homolog-G (Mafg) and nuclear factor-erythroid-2-related-factor-2 (Nrf2) mediates some of the downstream effects of FXR. In the present study we have investigated the role of FXR/MafG/NRF2 pathway in the development of liver toxicity caused by OCA in rodent models of cholestasis. Cholestasis was induced by bile duct ligation (BDL) or administration of α-naphtyl-isothiocyanate (ANIT) to male Wistar rats and FXR-/- and FXR+/+ mice. Treating BDL and ANIT rats with OCA exacerbated the severity of cholestasis, hepatocytes injury and severely downregulated the expression of basolateral transporters. In mice, genetic ablation FXR or its pharmacological inhibition by 3-(naphthalen-2-yl)-5-(piperidin-4-yl)-1,2,4-oxadiazole rescued from negative regulation of MRP4 and protected against liver injury caused by ANIT. By RNAseq analysis we found that FXR antagonism effectively reversed the transcription of over 2100 genes modulated by OCA/ANIT treatment, including Mafg and Nrf2 and their target genes Cyp7a1, Cyp8b1, Mat1a, Mat2a, Gss. Genetic and pharmacological Mafg inhibition by liver delivery of siRNA antisense or S-adenosylmethionine effectively rescued from damage caused by ANIT/OCA. In contrast, Nrf2 induction by sulforaphane was protective. CONCLUSIONS: Liver injury caused by FXR agonism in cholestasis is FXR-dependent and is reversed by FXR and Mafg antagonism or Nrf2 induction.
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Affiliation(s)
- Adriana Carino
- Dipartimento di Scienze Biomediche e Chirurgiche, Università di Perugia, Perugia, Italy
| | - Michele Biagioli
- Dipartimento di Scienze Biomediche e Chirurgiche, Università di Perugia, Perugia, Italy
| | - Silvia Marchianò
- Dipartimento di Scienze Biomediche e Chirurgiche, Università di Perugia, Perugia, Italy
| | - Chiara Fiorucci
- Dipartimento di Scienze Biomediche e Chirurgiche, Università di Perugia, Perugia, Italy
| | - Martina Bordoni
- Dipartimento di Scienze Biomediche e Chirurgiche, Università di Perugia, Perugia, Italy
| | - Rosalinda Roselli
- Dipartimento di Farmacia, Università di Napoli ' Federico II', Napoli, Italy
| | - Cristina Di Giorgio
- Dipartimento di Scienze Biomediche e Chirurgiche, Università di Perugia, Perugia, Italy
| | - Monia Baldoni
- Dipartimento di Medicina, Università di Perugia, Perugia, Italy
| | - Patrizia Ricci
- Dipartimento di Scienze Biomediche e Chirurgiche, Università di Perugia, Perugia, Italy
| | | | - Elva Morretta
- Dipartimento di Farmacia, Università di Salerno, Salerno, Italy
| | - Angela Zampella
- Dipartimento di Farmacia, Università di Napoli ' Federico II', Napoli, Italy
| | - Eleonora Distrutti
- SC di Gastroenterologia ed Epatologia, Azienda Ospedaliera di Perugia, Perugia, Italy
| | - Stefano Fiorucci
- Dipartimento di Scienze Biomediche e Chirurgiche, Università di Perugia, Perugia, Italy.
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