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Ganguly SC, Sangram S, Paul S, Kundu M. Phyto-nanotechnology: A novel beneficial strategy for Alzheimer's disease therapy. Neurochem Int 2024; 180:105868. [PMID: 39326498 DOI: 10.1016/j.neuint.2024.105868] [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: 05/26/2024] [Revised: 08/08/2024] [Accepted: 09/24/2024] [Indexed: 09/28/2024]
Abstract
Alzheimer's disease, a neurodegenerative condition, is characterized by the slow and progressive deterioration of the cognitive functions of geriatric patients. It occurs due to exacerbation of neurons in the brain, indicated by loss of memory, mood instability, and even death. The aggregation of amyloid β protein and neurofibrillary tangles-atypical forms of tau protein is the major cause of this disease. Phytoconstituents have been frequently employed in treating Alzheimer's disease. These natural compounds act through different molecular mechanisms to treat the disease. However, their potential in Alzheimer's disease therapy may be limited due to poor blood-brain barrier permeability, off-target effects, low bioavailability, etc. In recent times, nanotechnology has gained attraction to overcome these challenges. This article focuses on the potential phytoconstituents for Alzheimer's disease treatment and the associated limitations. Moreover, it highlights various nanoformulation strategies employed to penetrate the blood-brain barrier effectively, avoid side effects, improve bioavailability, and target specificity in treating Alzheimer's disease. The integration of nanotechnology with plant-derived compounds has the potential to revolutionize the therapeutic landscape for Alzheimer's disease.
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Affiliation(s)
| | - Sk Sangram
- Department of Pharmaceutical Chemistry, Calcutta Institute of Pharmaceutical Technology & Allied Health Sciences, West Bengal, India
| | - Sayani Paul
- Department of Pharmaceutical Chemistry, Calcutta Institute of Pharmaceutical Technology & Allied Health Sciences, West Bengal, India; Bengal School of Technology, Hooghly, West Bengal, India
| | - Moumita Kundu
- Department of Pharmaceutical Technology, Brainware University, West Bengal, India; Center for Multidisciplinary Research & Innovations, Brainware University, West Bengal, India.
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2
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Rahdari A, Hamidi F. The effect of intraperitoneal injection of Glycyrrhizin on central regulation of food intake in broilers injected with LPS. Br Poult Sci 2024:1-7. [PMID: 39249117 DOI: 10.1080/00071668.2024.2396451] [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: 12/11/2023] [Accepted: 07/17/2024] [Indexed: 09/10/2024]
Abstract
1. Poultry farming faces challenges regarding correct hygiene and nutrition. One of the challenges is gram-negative bacteria that stimulate pro-inflammatory reactions through lipopolysaccharide (LPS) and cause disease and anorexia. Liquorice, a medicinal plant containing glycyrrhizin (Glz; a saponin and emulsifier compound) as its main active ingredient, was injected into broilers to investigate any beneficial effects on feed intake in LPS-injected broilers.2. The study involved three experiments using 72 male broiler chickens in each, to examine the impact of Glz on feed intake, especially when challenged with lipopolysaccharide (LPS) by intra-peritoneal (IP) injection to cause inflammation (n = 24). Experiment 1 was conducted to examine the effects of intraperitoneal injection of Glz (12.5, 25 and 50 mg) on feed intake in chickens. In experiment 2, the effects of intracerebroventricular injections of LPS (6.25, 12.5 and 25 ng) were examined. The third experiment investigated the impact of IP injection of Glz on inflammation induced by LPS.3. Injection of Glz significantly increased feed intake in a dose-dependent manner. Whereas LPS significantly reduced the feed intake in feed-deprived chickens (p < 0.05).4. In conclusion, Glz can neutralise the feed intake reduction caused by inflammation in broilers, highlighting its potential role in modulating feed intake in broilers.
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Affiliation(s)
- A Rahdari
- Department of Basic Sciences, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
| | - F Hamidi
- Department of Basic Sciences, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
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3
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Kumar Nelson V, Jha NK, Nuli MV, Gupta S, Kanna S, Gahtani RM, Hani U, Singh AK, Abomughaid MM, Abomughayedh AM, Almutary AG, Iqbal D, Al Othaim A, Begum SS, Ahmad F, Mishra PC, Jha SK, Ojha S. Unveiling the impact of aging on BBB and Alzheimer's disease: Factors and therapeutic implications. Ageing Res Rev 2024; 98:102224. [PMID: 38346505 DOI: 10.1016/j.arr.2024.102224] [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: 08/29/2023] [Revised: 02/01/2024] [Accepted: 02/03/2024] [Indexed: 05/12/2024]
Abstract
Alzheimer's disease (AD) is a highly prevalent neurodegenerative condition that has devastating effects on individuals, often resulting in dementia. AD is primarily defined by the presence of extracellular plaques containing insoluble β-amyloid peptide (Aβ) and neurofibrillary tangles (NFTs) composed of hyperphosphorylated tau protein (P-tau). In addition, individuals afflicted by these age-related illnesses experience a diminished state of health, which places significant financial strain on their loved ones. Several risk factors play a significant role in the development of AD. These factors include genetics, diet, smoking, certain diseases (such as cerebrovascular diseases, obesity, hypertension, and dyslipidemia), age, and alcohol consumption. Age-related factors are key contributors to the development of vascular-based neurodegenerative diseases such as AD. In general, the process of aging can lead to changes in the immune system's responses and can also initiate inflammation in the brain. The chronic inflammation and the inflammatory mediators found in the brain play a crucial role in the dysfunction of the blood-brain barrier (BBB). Furthermore, maintaining BBB integrity is of utmost importance in preventing a wide range of neurological disorders. Therefore, in this review, we discussed the role of age and its related factors in the breakdown of the blood-brain barrier and the development of AD. We also discussed the importance of different compounds, such as those with anti-aging properties, and other compounds that can help maintain the integrity of the blood-brain barrier in the prevention of AD. This review builds a strong correlation between age-related factors, degradation of the BBB, and its impact on AD.
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Affiliation(s)
- Vinod Kumar Nelson
- Raghavendra Institute of Pharmaceutical Education and Research, Anantapur, India.
| | - Niraj Kumar Jha
- Centre for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India; Centre of Research Impact and Outcome, Chitkara University, Rajpura 140401, Punjab, India; School of Bioengineering & Biosciences, Lovely Professional University, Phagwara 144411, India; Department of Biotechnology Engineering and Food Technology, Chandigarh University, Mohali, India.
| | - Mohana Vamsi Nuli
- Raghavendra Institute of Pharmaceutical Education and Research, Anantapur, India
| | - Saurabh Gupta
- Department of Biotechnology, GLA University, Mathura, Uttar Pradesh, India
| | - Sandeep Kanna
- Department of pharmaceutics, Chalapathi Institute of Pharmaceutical Sciences, Chalapathi Nagar, Guntur 522034, India
| | - Reem M Gahtani
- Departement of Clinical Laboratory Sciences, King Khalid University, Abha, Saudi Arabia
| | - Umme Hani
- Department of pharmaceutics, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
| | - Arun Kumar Singh
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology BHU, Varanasi, Uttar Pradesh, India
| | - Mosleh Mohammad Abomughaid
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, University of Bisha, Bisha 61922, Saudi Arabia
| | - Ali M Abomughayedh
- Pharmacy Department, Aseer Central Hospital, Ministry of Health, Saudi Arabia
| | - Abdulmajeed G Almutary
- Department of Biomedical Sciences, College of Health Sciences, Abu Dhabi University, Abu Dhabi, P.O. Box 59911, United Arab Emirates
| | - Danish Iqbal
- Department of Health Information Management, College of Applied Medical Sciences, Buraydah Private Colleges, Buraydah 51418, Saudi Arabia
| | - Ayoub Al Othaim
- Department of Medical Laboratory Sciences, College of Applied Medical Science, Majmaah University, Al-Majmaah 11952, Saudi Arabia.
| | - S Sabarunisha Begum
- Department of Biotechnology, P.S.R. Engineering College, Sivakasi 626140, India
| | - Fuzail Ahmad
- Respiratory Care Department, College of Applied Sciences, Almaarefa University, Diriya, Riyadh, 13713, Saudi Arabia
| | - Prabhu Chandra Mishra
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, India
| | - Saurabh Kumar Jha
- Department of Zoology, Kalindi College, University of Delhi, 110008, India.
| | - Shreesh Ojha
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, P.O. Box 15551, United Arab Emirates
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4
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Ji X, Liu N, Huang S, Zhang C. A Comprehensive Review of Licorice: The Preparation, Chemical Composition, Bioactivities and Its Applications. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2024; 52:667-716. [PMID: 38716617 DOI: 10.1142/s0192415x24500289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
Licorice (Glycyrrhiza) is a medicinal and food homologue of perennial plants derived from the dried roots and rhizomes of the genus Glycyrrhiza in the legume family. In recent years, the comprehensive utilization of licorice resources has attracted people's attention. It is widely utilized to treat diseases, health food products, food production, and other industrial applications. Furthermore, numerous bioactive components of licorice are found using advanced extraction processes, which mainly include polyphenols (flavonoids, dihydrostilbenes, benzofurans, and coumarin), triterpenoids, polysaccharides, alkaloids, and volatile oils, all of which have been reported to possess a variety of pharmacological characteristics, including anti-oxidant, anti-inflammatory, antibacterial, antiviral, anticancer, neuroprotective, antidepressive, antidiabetic, antiparasitic, antisex hormone, skin effects, anticariogenic, antitussive, and expectorant activities. Thereby, all of these compounds promote the development of novel and more effective licorice-derived products. This paper reviews the progress of research on extraction techniques, chemical composition, bioactivities, and applications of licorice to provide a reference for further development and application of licorice in different areas.
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Affiliation(s)
- Xiaoyu Ji
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang 471023, P. R. China
- Henan Engineering Research Center of Livestock and Poultry, Emerging Disease Detection and Control, Luoyang 471023, P. R. China
| | - Ning Liu
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang 471023, P. R. China
- Henan Engineering Research Center of Livestock and Poultry, Emerging Disease Detection and Control, Luoyang 471023, P. R. China
| | - Shucheng Huang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, P. R. China
| | - Cai Zhang
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang 471023, P. R. China
- Henan Engineering Research Center of Livestock and Poultry, Emerging Disease Detection and Control, Luoyang 471023, P. R. China
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Du J, Chen Z, Chen X, Zhang J, Wang Y, Zhao T, Wang D, Wang C, Chen Y, Meng Q, Sun H, Liu K, Wu J. Inhibition of Glycyrrhiza Polysaccharide on Human Cytochrome P450 46A1 in vitro and in vivo: Implications in Treating Neurological Diseases. Curr Drug Metab 2024; 25:227-234. [PMID: 38797896 DOI: 10.2174/0113892002305873240520072802] [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: 01/23/2024] [Revised: 04/14/2024] [Accepted: 04/18/2024] [Indexed: 05/29/2024]
Abstract
BACKGROUND Cytochrome P450 (CYP) 46A1, also known as cholesterol 24S-hydroxylase, is essential for maintaining the homeostasis of cholesterol in the brain and serves as a therapeutic target of neurodegenerative disorders and excitatory neurotoxicity. N-methyl-d-aspartate receptor (NMDAR) is a prototypical receptor for the excitatory neurotransmitter glutamate and can be specifically regulated by 24S-hydroxycholesterol (24S-HC). Glycyrrhiza is one of the most widely used herbs with broad clinical applications, which has several pharmacological activities, such as clearing heat and detoxifying, moistening the lung and relieving cough, analgesic, neuroprotective outcomes, and regulating a variety of drug activities. Glycyrrhiza is a commonly used herb for the treatment of epileptic encephalopathy. However, whether glycyrrhiza can interfere with the activity of CYP46A1 remains unknown. OBJECTIVE This study aimed to investigate the regulating effects of glycyrrhiza polysaccharides (GP) on CYP46A1-mediated cholesterol conversion, as well as in the modulation of related proteins. MATERIALS AND METHODS The effects of glycyrrhiza polysaccharide (GP) on the activity of CYP46A1 were investigated in vivo and in vitro. Moreover, the potential regulatory effects of GP on the expressions of CYP46A1, HMG-CoA reductase (HMGCR), and NMDAR were also detected. RESULTS The in vitro results demonstrated that glycyrrhiza polysaccharide (GP), as the main water-soluble active component of glycyrrhiza, remarkably inhibited the activity of CYP46A1 in a non-competitive mode with a Ki value of 0.7003 mg/ml. Furthermore, the in vivo experiments verified that GP markedly decreased the contents of 24S-HC in rat plasma and brain tissues as compared to the control. More importantly, the protein expressions of CYP46A1, GluN2A, GluN2B, and HMG-CoA reductase (HMGCR) in rat brains were all downregulated, whereas the mRNA expressions of CYP46A1 and HMGCR were not significantly changed after treatment with GP. CONCLUSION GP exhibits a significant inhibitory effect on CYP46A1 activity in vitro and in vivo, and the protein expressions of CYP46A1, HMGCR, and NMDAR are also inhibited by GP, which are of considerable clinical significance for GP's potential therapeutic role in treating neurological diseases.
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Affiliation(s)
- Jie Du
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Zujia Chen
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Xiaodong Chen
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Jiahui Zhang
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Yaojun Wang
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Tingting Zhao
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Dalong Wang
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Changyuan Wang
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
- Provincial Key Laboratory for Pharmacokinetics and Transport, Liaoning Dalian Medical University, Dalian, Liaoning, China
| | - Yanwei Chen
- Department of Pharmacy, The First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China
| | - Qiang Meng
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
- Provincial Key Laboratory for Pharmacokinetics and Transport, Liaoning Dalian Medical University, Dalian, Liaoning, China
| | - Huijun Sun
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
- Provincial Key Laboratory for Pharmacokinetics and Transport, Liaoning Dalian Medical University, Dalian, Liaoning, China
| | - Kexin Liu
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
- Provincial Key Laboratory for Pharmacokinetics and Transport, Liaoning Dalian Medical University, Dalian, Liaoning, China
| | - Jingjing Wu
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
- Provincial Key Laboratory for Pharmacokinetics and Transport, Liaoning Dalian Medical University, Dalian, Liaoning, China
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Thakur A, Sharma B, Parashar A, Sharma V, Kumar A, Mehta V. 2D-QSAR, molecular docking and MD simulation based virtual screening of the herbal molecules against Alzheimer's disorder: an approach to predict CNS activity. J Biomol Struct Dyn 2024; 42:148-162. [PMID: 36970779 DOI: 10.1080/07391102.2023.2192805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 03/10/2023] [Indexed: 03/29/2023]
Abstract
Acetylcholinesterase (AChE) is one of the key enzyme targets that have been used clinically for the management of Alzheimer's Disorder (AD). Numerous reports in the literature predict and demonstrate in-vitro, and in-silico anticholinergic activity of herbal molecules, however, majority of them failed to find clinical application. To address these issues, we developed a 2D-QSAR model that could efficiently predict the AChE inhibitory activity of herbal molecules along with predicting their potential to cross the blood-brain-barrier (BBB) to exert their beneficial effects during AD. Virtual screening of the herbal molecules was performed and amentoflavone, asiaticoside, astaxanthin, bahouside, biapigenin, glycyrrhizin, hyperforin, hypericin, and tocopherol were predicted as the most promising herbal molecules for inhibiting AChE. Results were validated through molecular docking, atomistic molecular dynamics simulations and Molecular mechanics-Poisson Boltzmann surface area (MM-PBSA) studies against human AChE (PDB ID: 4EY7). To determine whether or not these molecules can cross BBB to inhibit AChE within the central nervous system (CNS) for being beneficial for the management of AD, we determined a CNS Multi-parameter Optimization (MPO) score, which was found in the range of 1 to 3.76. Overall, the best results were observed for amentoflavone and our results demonstrated a PIC50 value of 7.377 nM, molecular docking score of -11.5 kcal/mol, and CNS MPO score of 3.76. In conclusion, we successfully developed a reliable and efficient 2D-QSAR model and predicted amentoflavone to be the most promising molecule that could inhibit human AChE enzyme within the CNS and could prove beneficial for the management of AD.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Aman Thakur
- DCO, Govt. of Rajasthan, Bharatpur, Rajasthan, India
| | - Bhanu Sharma
- Structural Bioinformatics Lab, CSIR-Institute of Himalayan Bioresource Technology (CSIR-IHBT), Palampur, Himachal Pradesh, India
- Biotechnology Division, CSIR-IHBT, Palampur, Himachal Pradesh, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Arun Parashar
- School of Pharmaceutical Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India
| | - Vivek Sharma
- Department of Pharmacology, Govt. College of Pharmacy, Shimla, Himachal Pradesh, India
| | - Ajay Kumar
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra, Haryana, India
| | - Vineet Mehta
- Department of Pharmacology, Govt. College of Pharmacy, Shimla, Himachal Pradesh, India
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7
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Sharma R, Singla RK, Banerjee S, Sharma R. Revisiting Licorice as a functional food in the management of neurological disorders: Bench to trend. Neurosci Biobehav Rev 2023; 155:105452. [PMID: 37925093 DOI: 10.1016/j.neubiorev.2023.105452] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 10/16/2023] [Accepted: 10/29/2023] [Indexed: 11/06/2023]
Abstract
Traditional and scientific evidence attribute numerous bioactivities of Licorice (Glycyrrhiza glabra Linn.) in aging-related disorders. In this state-of-art review, an extensive search in several databases was conducted to collect all relevant literature and comprehensively analyze Licorice's pharmacological attributes, neuroprotective properties, safety, and its mechanistic role in treating various neurological conditions. Network pharmacology was employed for the first time exploring the mechanistic role of Licorice in neurological disorders. Its neuroprotective role is attributed to phytoconstituents, including liquiritin, glycyrrhizic acid, liquiritigenin, glabridin, 18ß-glycyrrhetinic acid, quercetin, isoliquiritigenin, paratocarpin B, glycyglabrone, and hispaglabridin B, as evident from in vitro and in vivo studies. Network pharmacology analysis reveals that these compounds protect against long-term depression, aging-associated diseases, Alzheimer's disease, and other addictions through interactions with cholinergic, dopaminergic, and serotonergic proteins, validated in animal studies only. Future clinical trials are warranted as Licorice administration has a limiting factor of mild hypertension and hypokalemia. Hopefully, scientific updates on Licorice will propagate a paradigm shift in medicine, research propagation, and development of the central nervous system phytopharmaceuticals.
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Affiliation(s)
- Ruchi Sharma
- Department of Rasa Shastra and Bhaishajya Kalpana, Faculty of Ayurveda, Institute of Medical Sciences, BHU, Varanasi, Uttar Pradesh 221005, India
| | - Rajeev K Singla
- Joint Laboratory of Artificial Intelligence for Critical Care Medicine, Department of Critical Care Medicine and Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China; School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144411, India
| | - Subhadip Banerjee
- Medicinal Plant Innovation Centre, Mae Fah Luang University, Chiang Rai, Thailand
| | - Rohit Sharma
- Department of Rasa Shastra and Bhaishajya Kalpana, Faculty of Ayurveda, Institute of Medical Sciences, BHU, Varanasi, Uttar Pradesh 221005, India.
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8
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Gao Y, Fang C, Wang J, Ye Y, Li Y, Xu Q, Kang X, Gu L. Neuroinflammatory Biomarkers in the Brain, Cerebrospinal Fluid, and Blood After Ischemic Stroke. Mol Neurobiol 2023; 60:5117-5136. [PMID: 37258724 DOI: 10.1007/s12035-023-03399-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 05/23/2023] [Indexed: 06/02/2023]
Abstract
The most frequent type of stroke, known as ischemic stroke (IS), is a significant global public health issue. The pathological process of IS and post-IS episodes has not yet been fully explored, but neuroinflammation has been identified as one of the key processes. Biomarkers are objective indicators used to assess normal or pathological processes, evaluate responses to treatment, and predict outcomes, and some biomarkers can also be used as therapeutic targets. After IS, various molecules are produced by different cell types, such as microglia, astrocytes, infiltrating leukocytes, endothelial cells, and damaged neurons, that participate in the neuroinflammatory response within the ischemic brain region. These molecules may either promote or inhibit neuroinflammation and may be released into extracellular spaces, including cerebrospinal fluid (CSF) and blood, due to reasons such as BBB damage. These neuroinflammatory molecules should be valued as biomarkers to monitor whether their expression levels in the blood, CSF, and brain correlate with the diagnosis and prognosis of IS patients or whether they have potential as therapeutic targets. In addition, although some molecules do not directly participate in the process of neuroinflammation, they have been reported to have potential diagnostic or therapeutic value against post-IS neuroinflammation, and these molecules will also be listed. In this review, we summarize the neuroinflammatory biomarkers in the brain, CSF, and blood after an IS episode and the potential value of these biomarkers for the diagnosis, treatment, and prognosis of IS patients.
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Affiliation(s)
- Yikun Gao
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Congcong Fang
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, China
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Jin Wang
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Yingze Ye
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, China
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Yina Li
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Qingxue Xu
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Xianhui Kang
- Department of Anesthesia, School of Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, 310006, China.
| | - Lijuan Gu
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
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9
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Liu Y, Chang D, Zhou X. Development of Novel Herbal Compound Formulations Targeting Neuroinflammation: Network Pharmacology, Molecular Docking, and Experimental Verification. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2023; 2023:2558415. [PMID: 37266321 PMCID: PMC10232107 DOI: 10.1155/2023/2558415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 02/05/2023] [Accepted: 04/20/2023] [Indexed: 06/03/2023]
Abstract
Neuroinflammation plays an important role in the onset and progression of neurodegenerative diseases. The multicomponent and multitarget approach may provide a practical strategy to address the complex pathological mechanisms of neuroinflammation. This study aimed to develop synergistic herbal compound formulas to attenuate neuroinflammation using integrated network pharmacology, molecular docking, and experimental bioassays. Eight phytochemicals with anti-neuroinflammatory potential were selected in the present study. A compound-gene target-signaling pathway network was constructed to illustrate the mechanisms of action of each phytochemical and the interactions among them at the molecular level. Molecular docking was performed to verify the binding affinity of each phytochemical and its key gene targets. An experimental study was conducted to identify synergistic interactions among the eight phytochemicals, and the associated molecular mechanisms were examined by immunoblotting based on the findings from the network pharmacology analysis. Two paired combinations, andrographolide and 6-shogaol (AN-SG) (IC50 = 2.85 μg/mL), and baicalein-6-shogaol (BA-SG) (IC50 = 3.28 μg/mL), were found to synergistically (combination index <1) inhibit the lipopolysaccharides (LPS)-induced nitric oxide production in microglia N11 cells. Network pharmacology analysis suggested that MAPK14, MAPK8, and NOS3 were the top three relevant gene targets for the three phytochemicals, and molecular docking demonstrated strong binding affinities of the phytochemicals to their coded proteins. Immunoblotting suggested that the AN-SG and BA-SG both showed prominent effects in inhibiting inducible nitric oxide synthase (iNOS) (p < 0.01 and p < 0.05, respectively) and MAPKp-p38 (both p < 0.05) compared with those induced by the LPS stimulation only. The AN-SG combination exhibited greater inhibitions of the protein expressions of iNOS (p < 0.05 vs. individual components), which may partly explain the mechanisms of the synergy observed. This study established a practical approach to developing novel herbal-compound formulations using integrated network pharmacology analysis, molecular docking, and experimental bioassays. The study provides a scientific basis and new insight into the two synergistic combinations against neuroinflammation.
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Affiliation(s)
- Yang Liu
- NICM Health Research Institute, Western Sydney University, Westmead, NSW 2145, Australia
| | - Dennis Chang
- NICM Health Research Institute, Western Sydney University, Westmead, NSW 2145, Australia
| | - Xian Zhou
- NICM Health Research Institute, Western Sydney University, Westmead, NSW 2145, Australia
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10
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Shan Y, Liu P, Zhou Y, Ding X, Liu H, Yang J. Prenatal Sevoflurane Exposure Impairs the Learning and Memory of Rat Offspring via HMGB1-Induced NLRP3/ASC Inflammasome Activation. ACS Chem Neurosci 2023; 14:699-708. [PMID: 36718586 DOI: 10.1021/acschemneuro.2c00620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
The neurotoxic effects of sevoflurane anesthesia on the immature nervous system have aroused public concern, but the specific effects and mechanism remain poorly understood. Pyroptosis caused by the activation of the NLRP3 inflammasome is pivotal for cell survival and acts as a key player in cognitive impairment. This study was carried out to determine the critical role of the NLRP3 inflammasome and high-mobility group box 1 (HMGB1) in sevoflurane-induced cognitive impairment. On gestational day 20 (G20), 3% sevoflurane was administered for 4 h to pregnant rats. The hippocampus and cerebral cortex of the offspring were harvested at postnatal day 1 (P1) for Western blotting and immunofluorescence staining. Pregnant rat sevoflurane exposure increased the protein levels of NLRP3, ASC, cleaved-caspase 1 (p20), mature-IL-1β (m-IL-1β), and HMGB1 in the cerebral cortex and hippocampus of offspring rats. More microglial cells of offspring were also observed after sevoflurane anesthesia. The Morris water maze (MWM) test was implemented to evaluate cognitive function from postnatal day 30 (P30) to postnatal 35 (P35) of offspring. The sevoflurane-treated offspring took longer than the control rats to find the MWM platform during the learning phase. Furthermore, they had a longer travel distance and less time in the target quadrant than the control rats in the probe trial. Maternal intraperitoneal injection of glycyrrhizin (an inhibitor of HMGB1) attenuated the sevoflurane-induced microglia and NLRP3/ASC inflammasome activation and cognitive impairment of offspring. Simultaneously, the sevoflurane-induced increase in Toll-like receptors (TLR4) and nuclear factor-κB (NF-κB) was significantly reduced by glycyrrhizin. We concluded that the HMGB1 inhibitor may repress the sevoflurane-induced activation of the NLRP3/ASC inflammasome and cognitive dysfunction and that TLR4/NF-κB signaling maybe the key pathway, at least in part.
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Affiliation(s)
- Yangyang Shan
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou450052, China
| | - Panmiao Liu
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou450052, China
| | - Yanbo Zhou
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou450052, China
| | - Xin Ding
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou450052, China
| | - Hongtao Liu
- Department of Anesthesiology, Shengjing Hospital, China Medical University, Shenyang110000, China
| | - Jianjun Yang
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou450052, China
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11
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Zulfugarova P, Zivari-Ghader T, Maharramova S, Ahmadian E, Eftekhari A, Khalilov R, Turksoy VA, Rosić G, Selakovic D. A mechanistic review of pharmacological activities of homeopathic medicine licorice against neural diseases. Front Neurosci 2023; 17:1148258. [PMID: 36950127 PMCID: PMC10025333 DOI: 10.3389/fnins.2023.1148258] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 02/17/2023] [Indexed: 03/08/2023] Open
Abstract
The use of medicinal plants has grown in popularity in recent decades because, as natural ingredients, they have fewer adverse effects and are more effective than synthetic alternatives. As a small perennial herb, Glycyrrhiza glabra L. (Licorice) has been investigated for its therapeutic efficacy against neural disorders mainly ischemic stroke as well as the neurodegenerative diseases such as dementia and Alzheimer's disease, and Parkinson's disease which has been attributed to its HMGB inhibitory function, reactive oxygen scavenging and anti-inflammatory activity. The objective of current review is to review the evidence for the pharmacological effects of licorice and its vital active components on neurological disorders and the underlying signaling networks. We reviewed Papers published from 2000.1.1 up to 2 January 2023 in web of science, Google Scholar and PubMed data bases using key words including "Licorice," "Glycyrrhiza glabra L.," "Glycyrrhizic acid," "brain," "neurodegenerative disease," "Alzheimer's," and "Parkinson" were used to search in title/abstracts. Licorice extract and/or its active components can be used safely in therapeutic doses for optimizing the management of a multiple neurodegenerative disorders, and hampering the extent of neural tissue injury and neurologic deficits subsequent to cerebrovascular accidents.
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Affiliation(s)
- Parvin Zulfugarova
- Department of Zoology and Physiology, Faculty of Biology, Baku State University, Baku, Azerbaijan
| | - Tayebeh Zivari-Ghader
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sevinj Maharramova
- Department of Pharmaceutical Technology and Management, Azerbaijan Medical University, Baku, Azerbaijan
| | - Elham Ahmadian
- Kidney Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Aziz Eftekhari
- Department of Biochemistry, Faculty of Science, Ege University, İzmir, Turkey
- Institute of Molecular Biology and Biotechnologies, Ministry of Science and Education Republic of Azerbaijan, Baku, Azerbaijan
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
- *Correspondence: Aziz Eftekhari,
| | - Rovshan Khalilov
- Department of Biophysics and Biochemistry, Baku State University, Baku, Azerbaijan
| | - Vugar Ali Turksoy
- Department of Public Health, Faculty of Medicine, Bozok University, Yozgat, Turkey
| | - Gvozden Rosić
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
- Gvozden Rosić,
| | - Dragica Selakovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
- Dragica Selakovic,
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12
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Cheng C, Wan H, Cong P, Huang X, Wu T, He M, Zhang Q, Xiong L, Tian L. Targeting neuroinflammation as a preventive and therapeutic approach for perioperative neurocognitive disorders. J Neuroinflammation 2022; 19:297. [PMID: 36503642 PMCID: PMC9743533 DOI: 10.1186/s12974-022-02656-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 11/23/2022] [Indexed: 12/14/2022] Open
Abstract
Perioperative neurocognitive disorders (PND) is a common postoperative complication associated with regional or general anesthesia and surgery. Growing evidence in both patient and animal models of PND suggested that neuroinflammation plays a critical role in the development and progression of this problem, therefore, mounting efforts have been made to develop novel therapeutic approaches for PND by targeting specific factors or steps alongside the neuroinflammation. Multiple studies have shown that perioperative anti-neuroinflammatory strategies via administering pharmacologic agents or performing nonpharmacologic approaches exert benefits in the prevention and management of PND, although more clinical evidence is urgently needed to testify or confirm these results. Furthermore, long-term effects and outcomes with respect to cognitive functions and side effects are needed to be observed. In this review, we discuss recent preclinical and clinical studies published within a decade as potential preventive and therapeutic approaches targeting neuroinflammation for PND.
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Affiliation(s)
- Chun Cheng
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Shanghai, 200434 China ,grid.24516.340000000123704535Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, Shanghai, 200434 China ,grid.24516.340000000123704535Clinical Research Center for Anesthesiology and Perioperative Medicine, Tongji University, Shanghai, 200434 China
| | - Hanxi Wan
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Shanghai, 200434 China ,grid.24516.340000000123704535Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, Shanghai, 200434 China ,grid.24516.340000000123704535Clinical Research Center for Anesthesiology and Perioperative Medicine, Tongji University, Shanghai, 200434 China
| | - Peilin Cong
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Shanghai, 200434 China ,grid.24516.340000000123704535Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, Shanghai, 200434 China ,grid.24516.340000000123704535Clinical Research Center for Anesthesiology and Perioperative Medicine, Tongji University, Shanghai, 200434 China
| | - Xinwei Huang
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Shanghai, 200434 China ,grid.24516.340000000123704535Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, Shanghai, 200434 China ,grid.24516.340000000123704535Clinical Research Center for Anesthesiology and Perioperative Medicine, Tongji University, Shanghai, 200434 China
| | - Tingmei Wu
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Shanghai, 200434 China ,grid.24516.340000000123704535Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, Shanghai, 200434 China ,grid.24516.340000000123704535Clinical Research Center for Anesthesiology and Perioperative Medicine, Tongji University, Shanghai, 200434 China
| | - Mengfan He
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Shanghai, 200434 China ,grid.24516.340000000123704535Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, Shanghai, 200434 China ,grid.24516.340000000123704535Clinical Research Center for Anesthesiology and Perioperative Medicine, Tongji University, Shanghai, 200434 China
| | - Qian Zhang
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Shanghai, 200434 China ,grid.24516.340000000123704535Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, Shanghai, 200434 China ,grid.24516.340000000123704535Clinical Research Center for Anesthesiology and Perioperative Medicine, Tongji University, Shanghai, 200434 China
| | - Lize Xiong
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Shanghai, 200434 China ,grid.24516.340000000123704535Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, Shanghai, 200434 China ,grid.24516.340000000123704535Clinical Research Center for Anesthesiology and Perioperative Medicine, Tongji University, Shanghai, 200434 China
| | - Li Tian
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Shanghai, 200434 China ,grid.24516.340000000123704535Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, Shanghai, 200434 China ,grid.24516.340000000123704535Clinical Research Center for Anesthesiology and Perioperative Medicine, Tongji University, Shanghai, 200434 China
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13
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Babaei F, Mirzababaei M, Dargahi L, Shahsavari Z, Nassiri-Asl M, Karima S. Preventive Effect of Saccharomyces boulardii on Memory Impairment Induced by Lipopolysaccharide in Rats. ACS Chem Neurosci 2022; 13:3180-3187. [PMID: 36318666 DOI: 10.1021/acschemneuro.2c00500] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Recent studies have indicated that dysfunction of gut microbiota, living microorganisms of the digestive tract, plays a role in the pathogenesis of neurodegenerative disorders, indicating the valuable impact of probiotics as a potential preventive or therapeutic strategy. Saccharomyces boulardii is a yeast probiotic with beneficial effects on various disorders, ranging from inflammatory gastrointestinal diseases to brain and behavioral disorders. Herein, we examined the effect of S. boulardii on memory impairment induced by lipopolysaccharide (LPS) in Wistar rats. Four groups of rats were used in this study (N = 10): (1) control [Cnt], (2) LPS, (3) LPS + S. boulardii [LPS + S], and (4) S. boulardii [S]. Animals were orally administered S. boulardii (250 mg/rat) or saline by gavage for 4 weeks. From the 14th day of the study, animals were administered intraperitoneal LPS (0.25 mg/kg/day) or saline for 9 days. We assessed memory impairment, neuroinflammation, and amyloid-β deposition. S. boulardii ameliorated LPS-induced memory dysfunction. We observed that S. boulardii significantly reduced the elevated levels of serum interleukin (IL)-1β, IL-6, and tumor necrosis factor-α, as well as hippocampal levels of NLRP3 and caspase-1 in the LPS model. Moreover, S. boulardii alleviated amyloid-β deposition in the rat hippocampus. Collectively, our findings indicated that S. boulardii could inhibit memory impairment, neuroinflammation, and amyloid-β accumulation induced by LPS, possibly by modifying the gut microbiota.
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Affiliation(s)
- Fatemeh Babaei
- Department of Clinical Biochemistry, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 19839-63113, Iran
| | - Mohammadreza Mirzababaei
- Department of Clinical Biochemistry, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah 6715847141, Iran
| | - Leila Dargahi
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran 19839-63113, Iran
| | - Zahra Shahsavari
- Department of Clinical Biochemistry, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 19839-63113, Iran
| | - Marjan Nassiri-Asl
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 19839-63113, Iran.,Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran 19839-69364, Iran
| | - Saeed Karima
- Department of Clinical Biochemistry, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 19839-63113, Iran
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14
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Rieder AS, Deniz BF, Netto CA, Wyse ATS. A Review of In Silico Research, SARS-CoV-2, and Neurodegeneration: Focus on Papain-Like Protease. Neurotox Res 2022; 40:1553-1569. [PMID: 35917086 PMCID: PMC9343570 DOI: 10.1007/s12640-022-00542-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/17/2022] [Accepted: 06/30/2022] [Indexed: 01/18/2023]
Abstract
Since the appearance of SARS-CoV-2 and the COVID-19 pandemic, the search for new approaches to treat this disease took place in the scientific community. The in silico approach has gained importance at this moment, once the methodologies used in this kind of study allow for the identification of specific protein-ligand interactions, which may serve as a filter step for molecules that can act as specific inhibitors. In addition, it is a low-cost and high-speed technology. Molecular docking has been widely used to find potential viral protein inhibitors for structural and non-structural proteins of the SARS-CoV-2, aiming to block the infection and the virus multiplication. The papain-like protease (PLpro) participates in the proteolytic processing of SARS-CoV-2 and composes one of the main targets studied for pharmacological intervention by in silico methodologies. Based on that, we performed a systematic review about PLpro inhibitors from the perspective of in silico research, including possible therapeutic molecules in relation to this viral protein. The neurological problems triggered by COVID-19 were also briefly discussed, especially relative to the similarities of neuroinflammation present in Alzheimer's disease. In this context, we focused on two molecules, curcumin and glycyrrhizinic acid, given their PLpro inhibitory actions and neuroprotective properties and potential therapeutic effects on COVID-19.
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Affiliation(s)
- Alessandra S Rieder
- Laboratory of Neuroprotection and Neurometabolic Diseases, Wyse's Lab, Department of Biochemistry, ICBS, Universidade Federal Do Rio Grande Do Sul (UFRGS), Rua Ramiro Barcelos, 2600-Anexo, Porto Alegre, RS, 90035-003, Brazil
| | - Bruna F Deniz
- Laboratory of Neuroprotection and Neurometabolic Diseases, Wyse's Lab, Department of Biochemistry, ICBS, Universidade Federal Do Rio Grande Do Sul (UFRGS), Rua Ramiro Barcelos, 2600-Anexo, Porto Alegre, RS, 90035-003, Brazil
| | - Carlos Alexandre Netto
- Laboratory of Neuroprotection and Neurometabolic Diseases, Wyse's Lab, Department of Biochemistry, ICBS, Universidade Federal Do Rio Grande Do Sul (UFRGS), Rua Ramiro Barcelos, 2600-Anexo, Porto Alegre, RS, 90035-003, Brazil
| | - Angela T S Wyse
- Laboratory of Neuroprotection and Neurometabolic Diseases, Wyse's Lab, Department of Biochemistry, ICBS, Universidade Federal Do Rio Grande Do Sul (UFRGS), Rua Ramiro Barcelos, 2600-Anexo, Porto Alegre, RS, 90035-003, Brazil.
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15
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Ushio S, Wada Y, Nakamura M, Matsumoto D, Hoshika K, Shiromizu S, Iwata N, Esumi S, Kajizono M, Kitamura Y, Sendo T. Anxiolytic-like effects of hochuekkito in lipopolysaccharide-treated mice involve interleukin-6 inhibition. Front Pharmacol 2022; 13:890048. [PMID: 36034871 PMCID: PMC9411515 DOI: 10.3389/fphar.2022.890048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 06/29/2022] [Indexed: 11/13/2022] Open
Abstract
Hochuekkito (HET) is a Kampo medicine used to treat postoperative and post-illness general malaise and decreased motivation. HET is known to regulate immunity and modulate inflammation. However, the precise mechanism and effects of HET on inflammation-induced central nervous system disorders remain unclear. This study aimed to assess the effect of HET on inflammation-induced anxiety-like behavior and the mechanism underlying anxiety-like behavior induced by lipopolysaccharide (LPS). Institute of Cancer Research mice were treated with LPS (300 μg/kg, intraperitoneally), a bacterial endotoxin, to induce systemic inflammation. The mice were administered HET (1.0 g/kg, orally) once a day for 2 weeks before LPS treatment. The light-dark box test and the hole-board test were performed 24 h after the LPS injection to evaluate the effects of HET on anxiety-like behaviors. Serum samples were obtained at 2, 5, and 24 h after LPS injection, and interleukin-6 (IL-6) levels in serum were measured. Human and mouse macrophage cells (THP-1 and RAW264.7 cells, respectively) were used to investigate the effect of HET on LPS-induced IL-6 secretion. The repeated administration of HET prevented anxiety-like behavior and decreased serum IL-6 levels in LPS-treated mice. HET significantly suppressed LPS-induced IL-6 secretion in RAW264.7 and THP-1 cells. Similarly, glycyrrhizin, one of the chemical constituents of HET, suppressed LPS-induced anxiety-like behaviors. Our study revealed that HET ameliorated LPS-induced anxiety-like behavior and inhibited IL-6 release in vivo and in vitro. Therefore, we postulate that HET may be useful against inflammation-induced anxiety-like behavior.
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Affiliation(s)
- Soichiro Ushio
- Department of Pharmacy, Okayama University Hospital, Okayama, Japan
| | - Yudai Wada
- Department of Clinical Pharmacy, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Mizuki Nakamura
- Department of Clinical Pharmacy, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Daiki Matsumoto
- Department of Clinical Pharmacy, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Kota Hoshika
- Department of Clinical Pharmacy, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Shoya Shiromizu
- Department of Pharmacy, Okayama University Hospital, Okayama, Japan
| | - Naohiro Iwata
- Department of Pharmacy, Okayama University Hospital, Okayama, Japan
| | - Satoru Esumi
- Department of Pharmacy, Okayama University Hospital, Okayama, Japan
| | - Makoto Kajizono
- Department of Pharmacy, Okayama University Hospital, Okayama, Japan
| | - Yoshihisa Kitamura
- Department of Pharmacy, Okayama University Hospital, Okayama, Japan
- Department of Pharmacotherapy, School of Pharmacy, Shujitsu University, Okayama, Japan
- *Correspondence: Yoshihisa Kitamura,
| | - Toshiaki Sendo
- Department of Pharmacy, Okayama University Hospital, Okayama, Japan
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16
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GLP-1 mediates the neuroprotective action of crocin against cigarette smoking-induced cognitive disorders via suppressing HMGB1-RAGE/TLR4-NF-κB pathway. Int Immunopharmacol 2022; 110:108995. [PMID: 35785730 DOI: 10.1016/j.intimp.2022.108995] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 06/05/2022] [Accepted: 06/20/2022] [Indexed: 11/24/2022]
Abstract
Cigarette smoking (CS) has been associated with an increased risk of cognitive disorders. Although HMGB1 has been connected to various neurological ailments, its role in the pathogenesis of CS-induced cognitive impairments is undefined. With the ability of GLP-1 to lower HMGB1 expression and improve learning and memory performance, we sought to assess the potential neuroprotective efficacy of Crocin (Cro) as a GLP-1 stimulator against CS-induced cognitive impairments, with a focus on the HMGB1-RAGE/TLR4-NF-κB pathway. Fifty adult rats were specified into: Control; Cro (30 mg/kg); CS; Cro then CS and CS concurrently with Cro. Cognitive functions were assessed by MWM, EMP, and passive avoidance tests. Hippocampal levels of GLP-1, HMGB1, pro-inflammatory cytokines, and apoptotic markers were detected using ELISA, western blotting, and immunohistochemistry. Hippocampal oxidant/antioxidant status was evaluated via colorimetric determination of MDA and TAC. The results revealed that Cro either before or along with CS produced a significant improvement in learning and memory. Cro markedly hindered HMGB1-RAGE/TLR4-NF-κB pathway through enhancing GLP-1 level and expression, which in turn suppressed TNF-α and IL-1β levels and alleviated CS-induced neuroinflammation. Cro significantly counteracted CS-triggered oxidative stress as evidenced by reducing MDA level and raising TAC. Histopathologically, Cro lessened neuronal apoptosis by lowering Bax/Bcl-2 ratio at hippocampal CA2 region. These findings confirmed a GLP-1-dependent neuroprotective action of Cro against CS-induced cognitive disorders via suppressing HMGB1-RAGE/TLR4-NF-κB axis.
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17
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Kawada K, Ishida T, Jobu K, Morisawa S, Kawazoe T, Nishida M, Nishimura S, Tamura N, Yoshioka S, Miyamura M. Yokukansan suppresses neuroinflammation in the hippocampus of mice and decreases the duration of lipopolysaccharide- and diazepam-mediated loss of righting reflex induced by pentobarbital. J Nat Med 2022; 76:634-644. [PMID: 35257304 DOI: 10.1007/s11418-022-01612-7] [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: 11/19/2021] [Accepted: 02/22/2022] [Indexed: 10/18/2022]
Abstract
Neuroinflammation is associated with the development of hypoactive delirium, which results in poor clinical outcomes. Drugs effective against hypoactive sur have not yet been established. Yokukansan has an anti-neuroinflammatory effect, making it potentially effective against hypoactive delirium. This study aimed to examine the effect of Yokukansan on the pentobarbital-induced loss of righting reflex duration extended with lipopolysaccharide (LPS)-induced neuroinflammation and diazepam-induced gamma-aminobutyric acid receptor stimulation in a mouse model. The active ingredients in Yokukansan and its anti-neuroinflammatory effect on the hippocampus were also investigated. Furthermore, we examined the in vitro anti-inflammatory effects of Yokukansan on LPS-stimulated BV2 cells, a murine microglial cell line. Findings revealed that treatment with Yokukansan significantly decreased the duration of pentobarbital-induced loss of righting reflex by attenuating the LPS-induced increase in interleukin-6 and tumor necrosis factor-alpha levels in the hippocampus. Moreover, treatment with Yokukansan significantly decreased the number of ionized calcium-binding adapter molecule-1-positive cells in the hippocampal dentate gyrus after 24 h of LPS administration. In addition, glycyrrhizic acid, an active ingredient in Yokukansan, partially decreased the duration of pentobarbital-induced loss of righting reflex. Treatment with Yokukansan also suppressed the expression of inducible nitric oxide, interleukin-6, and tumor necrosis factor mRNA in LPS-stimulated BV2 cells. Thus, these findings suggest that Yokukansan and glycyrrhizic acid may be effective therapeutic agents for treating neuroinflammation-induced hypoactive delirium.
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Affiliation(s)
- Kei Kawada
- Graduate School of Integrated Arts and Sciences, Kochi University, 185-1 Kohasu, Oko-cho, Nankoku-shi, Kochi, Japan. .,Department of Pharmacy, Kochi Medical School Hospital, 185-1 Kohasu, Oko, Nankoku, Kochi, Japan.
| | - Tomoaki Ishida
- Department of Pharmacy, Kochi Medical School Hospital, 185-1 Kohasu, Oko, Nankoku, Kochi, Japan
| | - Kohei Jobu
- Department of Pharmacy, Kochi Medical School Hospital, 185-1 Kohasu, Oko, Nankoku, Kochi, Japan
| | - Shumpei Morisawa
- Graduate School of Integrated Arts and Sciences, Kochi University, 185-1 Kohasu, Oko-cho, Nankoku-shi, Kochi, Japan.,Department of Pharmacy, Kochi Medical School Hospital, 185-1 Kohasu, Oko, Nankoku, Kochi, Japan
| | - Tetsushi Kawazoe
- Graduate School of Integrated Arts and Sciences, Kochi University, 185-1 Kohasu, Oko-cho, Nankoku-shi, Kochi, Japan.,Department of Pharmacy, Kochi Medical School Hospital, 185-1 Kohasu, Oko, Nankoku, Kochi, Japan
| | - Motoki Nishida
- Graduate School of Integrated Arts and Sciences, Kochi University, 185-1 Kohasu, Oko-cho, Nankoku-shi, Kochi, Japan.,Department of Pharmacy, Kochi Medical School Hospital, 185-1 Kohasu, Oko, Nankoku, Kochi, Japan
| | - Satomi Nishimura
- Graduate School of Integrated Arts and Sciences, Kochi University, 185-1 Kohasu, Oko-cho, Nankoku-shi, Kochi, Japan.,Department of Pharmacy, Kochi Medical School Hospital, 185-1 Kohasu, Oko, Nankoku, Kochi, Japan
| | - Naohisa Tamura
- Graduate School of Integrated Arts and Sciences, Kochi University, 185-1 Kohasu, Oko-cho, Nankoku-shi, Kochi, Japan.,Department of Pharmacy, Kochi Medical School Hospital, 185-1 Kohasu, Oko, Nankoku, Kochi, Japan
| | - Saburo Yoshioka
- Department of Pharmacy, Kochi Medical School Hospital, 185-1 Kohasu, Oko, Nankoku, Kochi, Japan
| | - Mitsuhiko Miyamura
- Graduate School of Integrated Arts and Sciences, Kochi University, 185-1 Kohasu, Oko-cho, Nankoku-shi, Kochi, Japan.,Department of Pharmacy, Kochi Medical School Hospital, 185-1 Kohasu, Oko, Nankoku, Kochi, Japan
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18
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Fumia A, Cicero N, Gitto M, Nicosia N, Alesci A. Role of nutraceuticals on neurodegenerative diseases: neuroprotective and immunomodulant activity. Nat Prod Res 2021; 36:5916-5933. [PMID: 34963389 DOI: 10.1080/14786419.2021.2020265] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Neurodegeneration is a degenerative process characterized by the progressive loss of the structure and function of neurons that involves several immune cells. It is the primary cause of dementia and other several syndromes, known as neurodegenerative diseases. These disorders are age-related and it is estimated that by 2040 there will be approximately 81.1 million people suffering from these diseases. In addition to the traditional pharmacological therapy, in recent years nutraceuticals, naturally based compounds with a broad spectrum of biological effects: anti-aging, antioxidants, hypoglycaemic, hypocholesterolemic, anticancer, anxiolytic, antidepressant, etc., assumed an important role in counteracting these pathologies. In particular, several compounds such as astaxanthin, baicalein, glycyrrhizin, St. John's wort, and Ginkgo biloba L. extracts show particular neuroprotective and immunomodulatory abilities, involving several immune cells and some neurotransmitters that play a critical role in neurodegeneration, making them particularly useful in improving the symptoms and progression of neurodegenerative diseases.
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Affiliation(s)
- Angelo Fumia
- Department of Clinical and Experimental Medicine, University of Messina, Padiglione C, A. O. U. Policlinico 'G. Martino', Messina, Italy
| | - Nicola Cicero
- Department of Biomedical and Dental Science and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Marco Gitto
- Department of Clinical and Community Sciences, Fondazione IRCCS Ca' Granada, Ospedale Maggiore Policlinico, U.O.S. di Audiologia, Milano, Italy
| | - Noemi Nicosia
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy.,Foundation 'Prof. Antonio Imbesi', University of Messina, Messina, Italy.,Department of Pharmacological Screening, Jagiellonian University, Medical College, Cracow, PL, Poland
| | - Alessio Alesci
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
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19
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Heidari S, Mehri S, Hosseinzadeh H. The genus Glycyrrhiza (Fabaceae family) and its active constituents as protective agents against natural or chemical toxicities. Phytother Res 2021; 35:6552-6571. [PMID: 34414608 DOI: 10.1002/ptr.7238] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 06/28/2021] [Accepted: 07/27/2021] [Indexed: 12/27/2022]
Abstract
Licorice is the dried roots and rhizomes of various species of the genus Glycyrrhiza (Fabaceae) that have been used in folk medicine from ancient times. Many important research projects have established several beneficial effects for this medicinal herb, including antiinflammatory, antimicrobial, antiviral, antiprotozoal, antioxidant, antihyperglycemic, antihyperlipidemic, hepatoprotective, and neuroprotective. Licorice contains important bioactive components, such as glycyrrhizin (glycyrrhizic, glycyrrhizinic acid), liquiritigenin, liquiritin, and glycyrrhetinic acid. The protective effects of licorice and its main chemical components against toxins and toxicants in several organs including the brain, heart, liver, kidney, and lung have been shown. In this comprehensive review article, the protective effects of these constituents against natural, industrial, environmental, and chemical toxicities with attention on the cellular and molecular mechanism are introduced. Also, it has been revealed that this plant and its main compounds can inhibit the toxicity of different toxins by the antioxidant, antiinflammatory, and anti-apoptotic properties as well as the modulation of Inhibitor of kappaB kinase (IKK), Extracellular signal-regulated protein kinase1/2 (ERK1/2), p38, inducible nitric oxide synthase, and nuclear factor-κB (NF-κB) signaling pathways. More high-quality investigations in both experimental and clinical studies need to firmly establish the efficacy of licorice and its main constituents against toxic agents.
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Affiliation(s)
- Somaye Heidari
- Pharmaceutical Research Center, Department of Pharmacodynamics and Toxicology, School of Pharmacy, Zabol University of Medical Sciences, Zabol, Iran.,Toxicology and Addiction Research Center, Zabol University of Medical Sciences, Zabol, Iran
| | - Soghra Mehri
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmacodynamics and Toxicology, School pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Hosseinzadeh
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmacodynamics and Toxicology, School pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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20
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Guo YX, Zhang Y, Gao YH, Deng SY, Wang LM, Li CQ, Li X. Role of Plant-Derived Natural Compounds in Experimental Autoimmune Encephalomyelitis: A Review of the Treatment Potential and Development Strategy. Front Pharmacol 2021; 12:639651. [PMID: 34262447 PMCID: PMC8273381 DOI: 10.3389/fphar.2021.639651] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 06/16/2021] [Indexed: 12/11/2022] Open
Abstract
Multiple sclerosis (MS) is an autoimmune disease of the central nervous system that is mainly mediated by pathological T-cells. Experimental autoimmune encephalomyelitis (EAE) is a well-known animal model of MS that is used to study the underlying mechanism and offers a theoretical basis for developing a novel therapy for MS. Good therapeutic effects have been observed after the administration of natural compounds and their derivatives as treatments for EAE. However, there has been a severe lag in the research and development of drug mechanisms related to MS. This review examines natural products that have the potential to effectively treat MS. The relevant data were consulted in order to elucidate the regulated mechanisms acting upon EAE by the flavonoids, glycosides, and triterpenoids derived from natural products. In addition, novel technologies such as network pharmacology, molecular docking, and high-throughput screening have been gradually applied in natural product development. The information provided herein can help improve targeting and timeliness for determining the specific mechanisms involved in natural medicine treatment and lay a foundation for further study.
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Affiliation(s)
- Yu-Xin Guo
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Yuan Zhang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Yu-Han Gao
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Si-Ying Deng
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Li-Mei Wang
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Cui-Qin Li
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Xing Li
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, China
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21
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Aluko OM, Iroegbu JD, Ijomone OM, Umukoro S. Methyl Jasmonate: Behavioral and Molecular Implications in Neurological Disorders. CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE 2021; 19:220-232. [PMID: 33888651 PMCID: PMC8077066 DOI: 10.9758/cpn.2021.19.2.220] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/27/2020] [Accepted: 10/28/2020] [Indexed: 01/04/2023]
Abstract
Methyl jasmonate (MJ) is a derivative of the jasmonate family which is found in most tropical regions of the world and present in many fruits and vegetables such as grapevines, tomato, rice, and sugarcane. MJ is a cyclopentanone phytohormone that plays a vital role in defense against stress and pathogens in plants. This has led to its isolation from plants for studies in animals. Many of these studies have been carried out to evaluate its therapeutic effects on behavioral and neurochemical functions. It has however been proposed to have beneficial potential over a wide range of neurological disorders. Hence, this review aims to provide an overview of the neuroprotective properties of MJ and its probable mechanisms of ameliorating neurological disorders. The information used for this review was sourced from research articles and scientific databases using 'methyl jasmonate', 'behavior', 'neuroprotection', 'neurodegenerative diseases', and 'mechanisms' as search words. The review highlights its influences on behavioral patterns of anxiety, aggression, depression, memory, psychotic, and stress. The molecular mechanisms such as modulation of the antioxidant defense, inflammatory biomarkers, neurotransmitter regulation, and neuronal regeneration, underlying its actions in managing neurodegenerative diseases like Alzheimer's and Parkinson's diseases are also discussed. This review, therefore, provides a detailed evaluation of methyl jasmonate as a potential neuroprotective compound with the ability to modify behavioral and molecular biomarkers underlying neurological disorders. Hence, MJ could be modeled as a guided treatment for the management of brain diseases.
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Affiliation(s)
- Oritoke Modupe Aluko
- Department of Physiology, School of Health and Health Technology, Federal University of Technology, Akure, Nigeria.,The Neuro-Lab, School of Health and Health Technology, Federal University of Technology, Akure, Nigeria.,Department of Pharmacology and Therapeutics, University of Ibadan, Ibadan, Nigeria
| | - Joy Dubem Iroegbu
- The Neuro-Lab, School of Health and Health Technology, Federal University of Technology, Akure, Nigeria
| | - Omamuyovwi Meashack Ijomone
- The Neuro-Lab, School of Health and Health Technology, Federal University of Technology, Akure, Nigeria.,Department of Human Anatomy, School of Health and Health Technology, Federal University of Technology, Akure, Nigeria
| | - Solomon Umukoro
- Department of Pharmacology and Therapeutics, University of Ibadan, Ibadan, Nigeria
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22
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Wu S, Liu X, Jiang R, Yan X, Ling Z. Roles and Mechanisms of Gut Microbiota in Patients With Alzheimer's Disease. Front Aging Neurosci 2021; 13:650047. [PMID: 34122039 PMCID: PMC8193064 DOI: 10.3389/fnagi.2021.650047] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 04/30/2021] [Indexed: 12/11/2022] Open
Abstract
Alzheimer's disease (AD) is the most common age-related progressive neurodegenerative disease, characterized by a decline in cognitive function and neuronal loss, and is caused by several factors. Numerous clinical and experimental studies have suggested the involvement of gut microbiota dysbiosis in patients with AD. The altered gut microbiota can influence brain function and behavior through the microbiota-gut-brain axis via various pathways such as increased amyloid-β deposits and tau phosphorylation, neuroinflammation, metabolic dysfunctions, and chronic oxidative stress. With no current effective therapy to cure AD, gut microbiota modulation may be a promising therapeutic option to prevent or delay the onset of AD or counteract its progression. Our present review summarizes the alterations in the gut microbiota in patients with AD, the pathogenetic roles and mechanisms of gut microbiota in AD, and gut microbiota-targeted therapies for AD. Understanding the roles and mechanisms between gut microbiota and AD will help decipher the pathogenesis of AD from novel perspectives and shed light on novel therapeutic strategies for AD.
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Affiliation(s)
- Shaochang Wu
- Department of Geriatrics, Lishui Second People’s Hospital, Lishui, China
| | - Xia Liu
- Department of Intensive Care Unit, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Ruilai Jiang
- Department of Geriatrics, Lishui Second People’s Hospital, Lishui, China
| | - Xiumei Yan
- Department of Geriatrics, Lishui Second People’s Hospital, Lishui, China
| | - Zongxin Ling
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Institute of Microbe & Host Health, Linyi University, Linyi, China
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23
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An HM, Li MN, Yang H, Pang HQ, Qu C, Xu Y, Liu RZ, Peng C, Li P, Gao W. A validated UHPLC-MS/MS method for pharmacokinetic and brain distribution studies of twenty constituents in rat after oral administration of Jia-Wei-Qi-Fu-Yin. J Pharm Biomed Anal 2021; 202:114140. [PMID: 34015592 DOI: 10.1016/j.jpba.2021.114140] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 04/09/2021] [Accepted: 05/10/2021] [Indexed: 10/21/2022]
Abstract
A rapid ultra-high performance liquid chromatography coupled with triple quadrupole tandem mass spectrometry (UHPLC-QqQ MS/MS) approach with high sensitivity and selectivity was developed for the quantification of twenty compounds, including 9 saponins, 8 flavonoids, 2 oligosaccharide esters and 1 phenolic acid, in rat plasma and brain, which was administrated intragastrically with Jia-Wei-Qi-Fu-Yin (JWQFY), Mass spectrometric detection was operated under multiple reaction monitoring (MRM) mode. All calibration curves possessed good linearity with correlation coefficients ( r2) higher than 0.9916 in their respective linear ranges. For intra- and inter-day precision, all the relative standard deviations (RSDs) at different levels were less than 14.68 %. Based on the UHPLC-QqQ MS/MS quantitative results, pharmacokinetic study and brain distribution of multiple components in JWQFY was then successfully performed. As a result, constituents with discrepancy structures showed diverse pharmacokinetic and distribution characteristics. For instance, ferulic acid (phenolic acid), 3, 6'-disinapoyl sucrose and tenuifoliside A (oligosaccharide esters) showed short Tmax (< 10 min), whereas the Tmax of ginsenosides Rb1, Rb2 and Rc (ppd-type terpenoid saponins) were much longer (> 4 h). Besides, ferulic acid, epimedin C, icariin, glycyrrhizin, ginsenoside Rb1 and ginsenoside Rg1 were considered as the potential effective ingredients of JWQFY because of their relatively high exposure to blood and brain. Our study would provide relevant information for discovery of pharmacodynamic ingredients, as well as further action mechanisms investigations of JWQFY.
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Affiliation(s)
- Hai-Ming An
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, 210009, China
| | - Meng-Ning Li
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, 210009, China
| | - Hua Yang
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, 210009, China
| | - Han-Qing Pang
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, 210009, China
| | - Cheng Qu
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, 210009, China
| | - Yi Xu
- Beijing Zhongyan Tongrentang Pharmaceutical R&D co., Ltd, Beijing, 100079, China
| | - Run-Zhou Liu
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, 210009, China
| | - Chao Peng
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, 210009, China
| | - Ping Li
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, 210009, China.
| | - Wen Gao
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, 210009, China.
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24
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Chen K, Yang R, Shen FQ, Zhu HL. Advances in Pharmacological Activities and Mechanisms of Glycyrrhizic Acid. Curr Med Chem 2021; 27:6219-6243. [PMID: 31612817 DOI: 10.2174/0929867325666191011115407] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 09/09/2019] [Accepted: 09/18/2019] [Indexed: 12/21/2022]
Abstract
Licorice (Glycyrrhiza glabra L.) is widely regarded as an important medicinal plant and has been used for centuries in traditional medicine because of its therapeutic properties. Studies have shown that metabolites isolated from licorice have many pharmacological activities, such as antiinflammatory, anti-viral, participation in immune regulation, anti-tumor and other activities. This article gives an overview of the pharmacological activities and mechanisms of licorice metabolites and the adverse reactions that need attention. This review helps to further investigate the possibility of licorice as a potential drug for various diseases. It is hoped that this review can provide a relevant theoretical basis for relevant scholars' research and their own learning.
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Affiliation(s)
- Kun Chen
- The Joint Research Center of Guangzhou University and Keele Univeristy for Gene Interference and
Application, School of Life Science, Guangzhou University, Guangzhou 510006, People’s Republic of China,State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University,
Nanjing 210023, People’s Republic of China
| | - Rong Yang
- The Joint Research Center of Guangzhou University and Keele Univeristy for Gene Interference and
Application, School of Life Science, Guangzhou University, Guangzhou 510006, People’s Republic of China,State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University,
Nanjing 210023, People’s Republic of China
| | - Fa-Qian Shen
- The Joint Research Center of Guangzhou University and Keele Univeristy for Gene Interference and
Application, School of Life Science, Guangzhou University, Guangzhou 510006, People’s Republic of China,State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University,
Nanjing 210023, People’s Republic of China
| | - Hai-Liang Zhu
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University,
Nanjing 210023, People’s Republic of China
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25
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Present Status and Future Trends of Natural-Derived Compounds Targeting T Helper (Th) 17 and Microsomal Prostaglandin E Synthase-1 (mPGES-1) as Alternative Therapies for Autoimmune and Inflammatory-Based Diseases. Molecules 2020; 25:molecules25246016. [PMID: 33353211 PMCID: PMC7766998 DOI: 10.3390/molecules25246016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 12/07/2020] [Accepted: 12/17/2020] [Indexed: 12/19/2022] Open
Abstract
Several natural-based compounds and products are reported to possess anti-inflammatory and immunomodulatory activity both in vitro and in vivo. The primary target for these activities is the inhibition of eicosanoid-generating enzymes, including phospholipase A2, cyclooxygenases (COXs), and lipoxygenases, leading to reduced prostanoids and leukotrienes. Other mechanisms include modulation of protein kinases and activation of transcriptases. However, only a limited number of studies and reviews highlight the potential modulation of the coupling enzymatic pathway COX-2/mPGES-1 and Th17/Treg circulating cells. Here, we provide a brief overview of natural products/compounds, currently included in the Italian list of botanicals and the BELFRIT, in different fields of interest such as inflammation and immunity. In this context, we focus our opinion on novel therapeutic targets such as COX-2/mPGES-1 coupling enzymes and Th17/Treg circulating repertoire. This paper is dedicated to the scientific career of Professor Nicola Mascolo for his profound dedication to the study of natural compounds.
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26
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Savi FF, de Oliveira A, de Medeiros GF, Bozza FA, Michels M, Sharshar T, Dal-Pizzol F, Ritter C. What animal models can tell us about long-term cognitive dysfunction following sepsis: A systematic review. Neurosci Biobehav Rev 2020; 124:386-404. [PMID: 33309906 DOI: 10.1016/j.neubiorev.2020.12.005] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 12/03/2020] [Accepted: 12/07/2020] [Indexed: 01/28/2023]
Abstract
Survivors of sepsis often develop long-term cognitive impairments. This review aimed at exploring the results of the behavioral tools and tests which have been used to evaluate cognitive dysfunction in different animal models of sepsis. Two independent investigators searched for sepsis- and cognition-related keywords. 6323 publications were found, of which 355 were selected based on their title, and 226 of these were chosen based on manuscript review. LPS was used to induce sepsis in 171 studies, while CLP was used in 55 studies. Inhibitory avoidance was the most widely used method for assessing aversive memory, followed by fear conditioning and continuous multi-trial inhibitory avoidance. With regard to non-aversive memory, most studies used the water maze, open-field, object recognition, Y-maze, plus maze, and radial maze tests. Both CLP and LPS models of sepsis were effective in inducing short- and long-term behavioral impairment. Our findings help elucidate the mechanisms involved in the pathophysiology of sepsis-induced cognitive changes, as well as the available methods and tests used to study this in animal models.
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Affiliation(s)
- Felipe Figueredo Savi
- Laboratório de Fisiopatologia Experimental, Programa de Pós-Graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Brazil
| | - Alexandre de Oliveira
- Laboratório de Fisiopatologia Experimental, Programa de Pós-Graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Brazil
| | | | - Fernando Augusto Bozza
- Laboratório de Medicina Intensiva, Instituto Nacional de Infectologia Evandro Chagas (INI), Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro, Brazil
| | - Monique Michels
- Laboratório de Fisiopatologia Experimental, Programa de Pós-Graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Brazil
| | - Tarek Sharshar
- Laboratoire de Neuropathologie Expérimentale, Institut Pasteur, Paris, France; Department of Neuro-Intensive Care Medicine, Sainte-Anne Hospital, Paris-Descartes University, Paris, France
| | - Felipe Dal-Pizzol
- Laboratório de Fisiopatologia Experimental, Programa de Pós-Graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Brazil; Laboratoire de Neuropathologie Expérimentale, Institut Pasteur, Paris, France
| | - Cristiane Ritter
- Laboratório de Fisiopatologia Experimental, Programa de Pós-Graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Brazil.
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27
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Jiang R, Gao J, Shen J, Zhu X, Wang H, Feng S, Huang C, Shen H, Liu H. Glycyrrhizic Acid Improves Cognitive Levels of Aging Mice by Regulating T/B Cell Proliferation. Front Aging Neurosci 2020; 12:570116. [PMID: 33132898 PMCID: PMC7575738 DOI: 10.3389/fnagi.2020.570116] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 09/15/2020] [Indexed: 11/17/2022] Open
Abstract
Glycyrrhizic acid (GA) is the substance with the highest content of triterpenoid saponins that can be extracted from licorice, and has anti-inflammatory, neuroprotective, and anticancer functions, among others. The aim of this study was to investigate the protective effect of GA on cognitive decline in middle-aged mice and explore its mechanisms. We injected GA by the tail vein of C57BL/6 mice and measured their cognitive levels using the Morris water maze. The Morris water maze results demonstrated that GA improved learning and memory abilities in middle-aged mice. Furthermore, the RNA-sequencing and flow cytometric analyses revealed that GA could increase T and B cells. We then confirmed the relationship between cognition and the immune system in the immune-deficient B-NDG mouse model. Our results suggest that GA improves cognition in aging mice by regulating T/B cell proliferation.
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Affiliation(s)
- Ruichan Jiang
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization of Ministry of Education, College of Life Sciences, Shihezi University, Shihezi, China
| | - Jiaming Gao
- Shanghai East Hospital, Institute for Regenerative Medicine, Tongji University School of Medicine, Shanghai, China
| | - Junyan Shen
- Shanghai East Hospital, Institute for Regenerative Medicine, Tongji University School of Medicine, Shanghai, China
| | - Xiaoqi Zhu
- Shanghai East Hospital, Institute for Regenerative Medicine, Tongji University School of Medicine, Shanghai, China
| | - Hao Wang
- Shanghai East Hospital, Institute for Regenerative Medicine, Tongji University School of Medicine, Shanghai, China
| | - Shengyu Feng
- Shanghai East Hospital, Institute for Regenerative Medicine, Tongji University School of Medicine, Shanghai, China
| | - Ce Huang
- Shanghai East Hospital, Institute for Regenerative Medicine, Tongji University School of Medicine, Shanghai, China
| | - Haitao Shen
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization of Ministry of Education, College of Life Sciences, Shihezi University, Shihezi, China
| | - Hailiang Liu
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization of Ministry of Education, College of Life Sciences, Shihezi University, Shihezi, China
- Shanghai East Hospital, Institute for Regenerative Medicine, Tongji University School of Medicine, Shanghai, China
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28
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Baicalin Ameliorates Cognitive Impairment and Protects Microglia from LPS-Induced Neuroinflammation via the SIRT1/HMGB1 Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:4751349. [PMID: 33029280 PMCID: PMC7527898 DOI: 10.1155/2020/4751349] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 08/20/2020] [Accepted: 09/04/2020] [Indexed: 12/16/2022]
Abstract
Systemic inflammation often induces neuroinflammation and disrupts neural functions, ultimately causing cognitive impairment. Furthermore, neuronal inflammation is the key cause of many neurological conditions. It is particularly important to develop effective neuroprotectants to prevent and control inflammatory brain diseases. Baicalin (BAI) has a wide variety of potent neuroprotective and cognitive enhancement properties in various models of neuronal injury through antioxidation, anti-inflammation, anti-apoptosis, and stimulating neurogenesis. Nevertheless, it remains unclear whether BAI can resolve neuroinflammation and cognitive decline triggered by systemic or distant inflammatory processes. In the present study, intraperitoneal lipopolysaccharide (LPS) administration was used to establish neuroinflammation to evaluate the potential neuroprotective and anti-inflammatory effects of BAI. Here, we report that BAI activated silent information regulator 1 (SIRT1) to deacetylate high-mobility group box 1 (HMGB1) protein in response to acute LPS-induced neuroinflammation and cognitive deficits. Furthermore, we demonstrated the anti-inflammatory and cognitive enhancement effects and the underlying molecular mechanisms of BAI in modulating microglial activation and systemic cytokine production, including tumor necrosis factor- (TNF-) α and interleukin- (IL-) 1β, after LPS exposure in mice and in the microglial cell line, BV2. In the hippocampus, BAI not only reduced reactive microglia and inflammatory cytokine production but also modulated SIRT1/HMGB1 signaling in microglia. Interestingly, pretreatment with SIRT1 inhibitor EX-527 abolished the beneficial effects of BAI against LPS exposure. Specifically, BAI treatment inhibited HMGB1 release via the SIRT1/HMGB1 pathway and reduced the nuclear translocation of HMGB1 in LPS-induced BV2 cells. These effects were reversed in BV2 cells by silencing endogenous SIRT1. Taken together, these findings indicated that BAI reduced microglia-associated neuroinflammation and improved acute neurocognitive deficits in LPS-induced mice via SIRT1-dependent downregulation of HMGB1, suggesting a possible novel protection against acute neurobehavioral deficits, such as delayed neurocognitive recovery after anesthesia and surgery challenges.
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29
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Sun YX, Jiang XJ, Lu B, Gao Q, Chen YF, Wu DB, Zeng WY, Yang L, Li HH, Yu B. Roles of Gut Microbiota in Pathogenesis of Alzheimer's Disease and Therapeutic Effects of Chinese Medicine. Chin J Integr Med 2020; 28:1048-1056. [PMID: 32876860 DOI: 10.1007/s11655-020-3274-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2020] [Indexed: 12/17/2022]
Abstract
Alzheimer's disease (AD) is the most common neurodegenerative disease characterized by progressive cognitive impairment. The pathogenesis of AD is complex, and its susceptibility and development process are affected by age, genetic and epigenetic factors. Recent studies confirmed that gut microbiota (GM) might contribute to AD through a variety of pathways including hypothalamic pituitary adrenal axis and inflflammatory and immune processes. CM formula, herbs, and monomer enjoy unique advantages to treat and prevent AD. Hence, the purpose of this review is to outline the roles of GM and its core metabolites in the pathogenesis of AD. Research progress of CMs regarding the mechanisms of how they regulate GM to improve cognitive impairment of AD is also reviewed. The authors tried to explore new therapeutic strategies to AD based on the regulation of GM using CM.
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Affiliation(s)
- Ying-Xin Sun
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Xi-Juan Jiang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Bin Lu
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Qing Gao
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Ye-Fei Chen
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Dan-Bin Wu
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Wen-Yun Zeng
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Lin Yang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Hu-Hu Li
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Bin Yu
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China.
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Su XQ, Wang XY, Gong FT, Feng M, Bai JJ, Zhang RR, Dang XQ. Oral treatment with glycyrrhizin inhibits NLRP3 inflammasome activation and promotes microglial M2 polarization after traumatic spinal cord injury. Brain Res Bull 2020; 158:1-8. [DOI: 10.1016/j.brainresbull.2020.02.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Revised: 01/19/2020] [Accepted: 02/20/2020] [Indexed: 12/11/2022]
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Yaacob WM, Long I, Zakaria R, Othman Z. Tualang Honey and its Methanolic Fraction Improve LPS-induced Learning and Memory Impairment in Male Rats: Comparison with Memantine. CURRENT NUTRITION & FOOD SCIENCE 2020. [DOI: 10.2174/1573401315666181130103456] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Background:
Tualang honey (TH) has been shown to exert beneficial effects on learning and
memory function in various animal models. However, its learning and memory effects in lipopolysaccharide
(LPS) rat model have not been elucidated.
Objective:
The present study aimed to investigate the cognitive-enhancing effects of TH and its methanolic
fraction in comparison to the clinically approved N-methyl-D-aspartate (NMDA) receptor
antagonist (memantine) using LPS rat model.
Methods:
A total of ninety male Sprague Dawley rats were divided into 5 groups: (i) control, (ii) untreated
LPS (iii) LPS treated with 200 mg/kg TH, (iv) LPS treated with 150 mg/kg methanol fraction of TH
(MTH) and (v) LPS treated with 10 mg/kg memantine. All treatments were administered intraperitoneally
once daily for 14 days. Morris water maze (MWM) and novel object recognition (NOR) tests were
performed to assess spatial and recognition memory function.
Results:
The present study confirmed that LPS significantly impairs spatial and recognition memory and
alone treatment with TH or MTH improved spatial and recognition memory comparable to memantine.
Conclusion:
Both TH and its methanolic fraction improved spatial and recognition memory of LPS rat
model comparable to memantine. Thus, TH and its methanolic fraction have potential preventivetherapeutic
effects for neurodegenerative diseases involving neuroinflammation.
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Affiliation(s)
- Wan M.H.W. Yaacob
- School of Health Sciences, School of Medical Sciences, Universiti Sains Malaysia Health Campus, 16150 Kubang Kerian, Malaysia
| | - Idris Long
- School of Health Sciences, School of Medical Sciences, Universiti Sains Malaysia Health Campus, 16150 Kubang Kerian, Malaysia
| | - Rahimah Zakaria
- Department of Physiology, School of Medical Sciences, Universiti Sains Malaysia Health Campus, 16150 Kubang Kerian, Malaysia
| | - Zahiruddin Othman
- Department of Psychiatry, School of Medical Sciences, Universiti Sains Malaysia Health Campus, 16150 Kubang Kerian, Malaysia
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Paudel YN, Angelopoulou E, Semple B, Piperi C, Othman I, Shaikh MF. Potential Neuroprotective Effect of the HMGB1 Inhibitor Glycyrrhizin in Neurological Disorders. ACS Chem Neurosci 2020; 11:485-500. [PMID: 31972087 DOI: 10.1021/acschemneuro.9b00640] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Glycyrrhizin (glycyrrhizic acid), a bioactive triterpenoid saponin constituent of Glycyrrhiza glabra, is a traditional medicine possessing a plethora of pharmacological anti-inflammatory, antioxidant, antimicrobial, and antiaging properties. It is a known pharmacological inhibitor of high mobility group box 1 (HMGB1), a ubiquitous protein with proinflammatory cytokine-like activity. HMGB1 has been implicated in an array of inflammatory diseases when released extracellularly, mainly by activating intracellular signaling upon binding to the receptor for advanced glycation end products (RAGE) and toll-like receptor 4 (TLR4). HMGB1 neutralization strategies have demonstrated disease-modifying outcomes in several preclinical models of neurological disorders. Herein, we reveal the potential neuroprotective effects of glycyrrhizin against several neurological disorders. Emerging findings demonstrate the therapeutic potential of glycyrrhizin against several HMGB1-mediated pathological conditions including traumatic brain injury, neuroinflammation and associated conditions, epileptic seizures, Alzheimer's disease, Parkinson's disease, and multiple sclerosis. Glycyrrhizin's effects in neurological disorders are mainly attributed to the attenuation of neuronal damage by inhibiting HMGB1 expression and translocation as well as by downregulating the expression of inflammatory cytokines. A large number of preclinical findings supports the notion that glycyrrhizin might be a promising therapeutic alternative to overcome the shortcomings of the mainstream therapeutic strategies against neurological disorders, mainly by halting disease progression. However, future research is warranted for a deeper exploration of the precise underlying molecular mechanism as well as for clinical translation.
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Affiliation(s)
- Yam Nath Paudel
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Selangor 46150, Malaysia
| | - Efthalia Angelopoulou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens 11527, Greece
| | - Bridgette Semple
- Department of Neuroscience, Central Clinical School, Monash University, The Alfred Hospital, Melbourne 3800, Australia
- Department of Medicine (Royal Melbourne Hospital), The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Christina Piperi
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens 11527, Greece
| | - Iekhsan Othman
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Selangor 46150, Malaysia
| | - Mohd Farooq Shaikh
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Selangor 46150, Malaysia
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Impact of HMGB1, RAGE, and TLR4 in Alzheimer's Disease (AD): From Risk Factors to Therapeutic Targeting. Cells 2020; 9:cells9020383. [PMID: 32046119 PMCID: PMC7072620 DOI: 10.3390/cells9020383] [Citation(s) in RCA: 146] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 02/04/2020] [Accepted: 02/04/2020] [Indexed: 12/24/2022] Open
Abstract
Alzheimer’s disease (AD) is a devastating neurodegenerative disorder and a leading cause of dementia, with accumulation of amyloid-beta (Aβ) and neurofibrillary tangles (NFTs) as defining pathological features. AD presents a serious global health concern with no cure to date, reflecting the complexity of its pathogenesis. Recent evidence indicates that neuroinflammation serves as the link between amyloid deposition, Tau pathology, and neurodegeneration. The high mobility group box 1 (HMGB1) protein, an initiator and activator of neuroinflammatory responses, has been involved in the pathogenesis of neurodegenerative diseases, including AD. HMGB1 is a typical damage-associated molecular pattern (DAMP) protein that exerts its biological activity mainly through binding to the receptor for advanced glycation end products (RAGE) and toll-like receptor 4 (TLR4). RAGE and TLR4 are key components of the innate immune system that both bind to HMGB1. Targeting of HMGB1, RAGE, and TLR4 in experimental AD models has demonstrated beneficial effects in halting AD progression by suppressing neuroinflammation, reducing Aβ load and production, improving spatial learning, and inhibiting microglial stimulation. Herein, we discuss the contribution of HMGB1 and its receptor signaling in neuroinflammation and AD pathogenesis, providing evidence of its beneficial effects upon therapeutic targeting.
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Moosavi Sohroforouzani A, Shakerian S, Ghanbarzadeh M, Alaei H. Treadmill exercise improves LPS-induced memory impairments via endocannabinoid receptors and cyclooxygenase enzymes. Behav Brain Res 2020; 380:112440. [DOI: 10.1016/j.bbr.2019.112440] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 12/14/2019] [Accepted: 12/15/2019] [Indexed: 12/27/2022]
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Jamali-Raeufy N, Kardgar S, Baluchnejadmojarad T, Roghani M, Goudarzi M. Troxerutin exerts neuroprotection against lipopolysaccharide (LPS) induced oxidative stress and neuroinflammation through targeting SIRT1/SIRT3 signaling pathway. Metab Brain Dis 2019; 34:1505-1513. [PMID: 31313124 DOI: 10.1007/s11011-019-00454-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 06/27/2019] [Indexed: 10/26/2022]
Abstract
This study was conducted to clarify the potential mechanisms of Troxerutin neuroprotection against Lipopolysaccharide (LPS) induced oxidative stress and neuroinflammation through targeting the SIRT1/SIRT3 signaling pathway. To establish a model, a single dose of LPS (500μg/kg body weight) was injected to male Wistar rats intraperitoneally. Troxerutin (100 mg/kg body weight) was injected intraperitoneally for 5 days after induction of the model. Cognitive and behavioral evaluations were performed using Y-maze, single-trial passive avoidance, and novel object recognition tests. The expression of inflammatory mediators, SIRT1/SIRT3, and P53 was measured using the ELISA assay. Likewise, the expression levels of SIRT1/SIRT3 and NF-κB were determined using Western blot assay. Brain acetyl-cholinesterase activity was determined by utilizing the method of Ellman. Reactive oxygen species (ROS) was detected using Fluorescent probe 2, 7-dichlorofluorescein diacetate (DCFH-DA). Furthermore, malondialdehyde (MDA) levels were determined. A single intraperitoneal injection of LPS was led to ROS production, acute neuroinflammation, apoptotic cell death, and inactivation of the SIRT1/SIRT3 signaling pathway. Likewise, ELISA assay demonstrated that post-treatment with Troxerutin considerably suppressed LPS-induced acute neuroinflammation, oxidative stress, apoptosis and subsequently memory impairments by targeting SIRT1/SIRT3 signaling pathway. Western blot assay confirmed ELISA results about SIRT1/SIRT3 and NF-κB proteins. These results suggest that Troxerutin can be a suitable candidate to treat neuroinflammation caused by neurodegenerative disorders.
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Affiliation(s)
- Nida Jamali-Raeufy
- Department of Physiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Sedighe Kardgar
- Department of Physiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | | | - Mehrdad Roghani
- Neurophysiology Research Center, Department of Physiology, Shahed University, Tehran, Iran
| | - Mina Goudarzi
- Department of Physiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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Lim HS, Kim YJ, Sohn E, Yoon J, Kim BY, Jeong SJ. Bojungikgi-Tang, a Traditional Herbal Formula, Exerts Neuroprotective Effects and Ameliorates Memory Impairments in Alzheimer's Disease-Like Experimental Models. Nutrients 2018; 10:nu10121952. [PMID: 30544702 PMCID: PMC6316759 DOI: 10.3390/nu10121952] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 12/07/2018] [Accepted: 12/07/2018] [Indexed: 12/27/2022] Open
Abstract
Bojungikgi-tang (BJIGT; Bu Zhong Yi Qi Tang in China, Hochuekkito in Japan) is a traditional Oriental herbal formula comprised of eight medicinal herbs that has long been used for the treatment of digestive disorders. A recent clinical study from South Korea reported that BJIGT-gamibang administration may be effective in treating dementia. We aimed to establish scientific evidence for the anti-dementia effects of BJIGT using in vitro and in vivo experimental models. We measured amyloid- β (Aβ) aggregation, β-secretase (BACE), and antioxidant activity in a cell free system. Neuroprotective effects were assessed using CCK-8. Imprinting control region (ICR) mice were divided into the following six groups: Normal control, Aβ-injected, Aβ-injection + oral BJIGT gavage (200, 400, or 800 mg/kg/day), and Aβ-injection + oral morin administration (10 mg/kg/day). Subsequently, behavioral evaluations were conducted and brain samples were collected from all the animals and assessed. BJIGT enhanced inhibition of Aβ aggregation and BACE activity in vivo, as well as antioxidant activity in in vitro, cell-free systems. BJIGT also exerted neuroprotective effects in a hydroperoxide (H₂O₂)-induced damaged HT22 hippocampal cell line model. In addition, BJIGT administration significantly ameliorated cognitive impairments in Aβ-injected mice, as assessed by the passive avoidance and Y-maze tests. Furthermore, BJIGT treatment suppressed Aβ aggregation and expression, as well as expression of Aβ, NeuN, and brain-derived neurotrophic factor (BDNF) in the hippocampi of Aβ-injected mice. Overall, our results demonstrate that, with further testing in clinical populations, BJIGT may have great utility for the treatment of dementia and especially Alzheimer's disease.
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Affiliation(s)
- Hye-Sun Lim
- Clinical Medicine Division, Korea Institute of Oriental Medicine, Daejeon 34054, Korea.
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Jeollanam-do 58245, Korea.
| | - Yu Jin Kim
- Clinical Medicine Division, Korea Institute of Oriental Medicine, Daejeon 34054, Korea.
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea.
| | - Eunjin Sohn
- Clinical Medicine Division, Korea Institute of Oriental Medicine, Daejeon 34054, Korea.
| | - Jiyeon Yoon
- Clinical Medicine Division, Korea Institute of Oriental Medicine, Daejeon 34054, Korea.
| | - Bu-Yeo Kim
- Clinical Medicine Division, Korea Institute of Oriental Medicine, Daejeon 34054, Korea.
| | - Soo-Jin Jeong
- Clinical Medicine Division, Korea Institute of Oriental Medicine, Daejeon 34054, Korea.
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Ara T, Nakatani S, Kobata K, Sogawa N, Sogawa C. The Biological Efficacy of Natural Products against Acute and Chronic Inflammatory Diseases in the Oral Region. MEDICINES 2018; 5:medicines5040122. [PMID: 30428613 PMCID: PMC6313758 DOI: 10.3390/medicines5040122] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 11/08/2018] [Accepted: 11/08/2018] [Indexed: 01/31/2023]
Abstract
The oral inflammatory diseases are divided into two types: acute and chronic inflammatory diseases. In this review, we summarize the biological efficacy of herbal medicine, natural products, and their active ingredients against acute and chronic inflammatory diseases in the oral region, especially stomatitis and periodontitis. We review the effects of herbal medicines and a biscoclaurin alkaloid preparation, cepharamthin, as a therapy against stomatitis, an acute inflammatory disease. We also summarize the effects of herbal medicines and natural products against periodontitis, a chronic inflammatory disease, and one of its clinical conditions, alveolar bone resorption. Recent studies show that several herbal medicines such as kakkonto and ninjinto reduce LPS-induced PGE2 production by human gingival fibroblasts. Among herbs constituting these herbal medicines, shokyo (Zingiberis Rhizoma) and kankyo (Zingiberis Processum Rhizoma) strongly reduce PGE2 production. Moreover, anti-osteoclast activity has been observed in some natural products with anti-inflammatory effects used against rheumatoid arthritis such as carotenoids, flavonoids, limonoids, and polyphenols. These herbal medicines and natural products could be useful for treating oral inflammatory diseases.
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Affiliation(s)
- Toshiaki Ara
- Department of Dental Pharmacology, Matsumoto Dental University, 1780 Gobara Hirooka, Shiojiri 399-0781, Japan.
| | - Sachie Nakatani
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan.
| | - Kenji Kobata
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan.
| | - Norio Sogawa
- Department of Dental Pharmacology, Matsumoto Dental University, 1780 Gobara Hirooka, Shiojiri 399-0781, Japan.
| | - Chiharu Sogawa
- Department of Dental Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama 700-8525, Japan.
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Ovais M, Zia N, Ahmad I, Khalil AT, Raza A, Ayaz M, Sadiq A, Ullah F, Shinwari ZK. Phyto-Therapeutic and Nanomedicinal Approaches to Cure Alzheimer's Disease: Present Status and Future Opportunities. Front Aging Neurosci 2018; 10:284. [PMID: 30405389 PMCID: PMC6205985 DOI: 10.3389/fnagi.2018.00284] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 08/30/2018] [Indexed: 12/22/2022] Open
Abstract
Alzheimer's disease (AD) is characterized by cognitive inability manifested due to the accumulation of β-amyloid, formation of hyper phosphorylated neurofibrillary tangles, and a malfunctioned cholinergic system. The degeneration integrity of the neuronal network can appear long after the onset of the disease. Nanotechnology-based interventions have opened an exciting area via theranostics of AD in terms of tailored nanomedicine, which are able to target and deliver drugs across the blood-brain barrier (BBB). The exciting interface existing between medicinal plants and nanotechnology is an emerging marvel in medicine, which has delivered promising results in the treatment of AD. In order to assess the potential applications of the medicinal plants, their derived components, and various nanomedicinal approaches, a review of literature was deemed as necessary. In the present review, numerous phytochemicals and various feats in nanomedicine for the treatment of AD have been discussed mechanistically for the first time. Furthermore, recent trends in nanotechnology such as green synthesis of metal nanoparticles with reference to the treatment of AD have been elaborated. Foreseeing the recent progress, we hope that the interface of medicinal plants and nanotechnology will lead to highly effective theranostic strategies for the treatment of AD in the near future.
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Affiliation(s)
- Muhammad Ovais
- Department of Biotechnology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
- National Institute of Lasers and Optronics, Pakistan Atomic Energy Commission, Islamabad, Pakistan
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China
| | - Nashmia Zia
- National Institute of Lasers and Optronics, Pakistan Atomic Energy Commission, Islamabad, Pakistan
- Department of Pharmacy, University of Peshawar, Peshawar, Pakistan
| | - Irshad Ahmad
- Department of Life Sciences, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia
| | - Ali Talha Khalil
- Department of Eastern Medicine and Surgery, Qarshi University, Lahore, Pakistan
| | - Abida Raza
- National Institute of Lasers and Optronics, Pakistan Atomic Energy Commission, Islamabad, Pakistan
| | - Muhammad Ayaz
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Abdul Sadiq
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
- Department of Life Sciences and Chemistry, Faculty of Health, Jacobs University Bremen, Bremen, Germany
| | - Farhat Ullah
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Zabta Khan Shinwari
- Department of Biotechnology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
- Department of Eastern Medicine and Surgery, Qarshi University, Lahore, Pakistan
- Pakistan Academy of Sciences, Islamabad, Pakistan
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Li J, Shi J, Sun Y, Zheng F. Glycyrrhizin, a Potential Drug for Autoimmune Encephalomyelitis by Inhibiting High-Mobility Group Box 1. DNA Cell Biol 2018; 37:941-946. [PMID: 30325653 DOI: 10.1089/dna.2018.4444] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Autoimmune encephalomyelitis is a chronic autoimmune disease caused by immune-mediated sterile inflammatory response and demyelination in the central nervous system (CNS). High-mobility group box protein 1 (HMGB1) is a ubiquitous nuclear protein, which can be released from damaged cells and induce proinflammatory responses in autoimmune encephalomyelitis. Glycyrrhizin (GL), a major constituent of licorice root, can inhibit the proinflammatory bioactivities of HMGB1. In this article, we bring some insight into the effects of GL on CNS inflammatory diseases and discuss the therapeutic potential of GL in autoimmune encephalomyelitis in the future.
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Affiliation(s)
- Jun Li
- 1 Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Junyu Shi
- 1 Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yan Sun
- 1 Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,2 Wuhan Institute for Neuroscience and Neuroengineering, South-Central University for Nationalities, Wuhan, China.,3 Department of Neurobiology, College of Life Sciences, South-Central University for Nationalities, Wuhan, China
| | - Fang Zheng
- 1 Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,4 Key Laboratory of Organ Transplantation, Ministry of Education, Wuhan, China.,5 NHC Key Laboratory of Organ Transplantation, Wuhan, China.,6 Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China
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Glycyrrhizic Acid Ameliorates Mitochondrial Function and Biogenesis Against Aluminum Toxicity in PC12 Cells. Neurotox Res 2018; 35:584-593. [PMID: 30317430 DOI: 10.1007/s12640-018-9967-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Revised: 09/27/2018] [Accepted: 10/02/2018] [Indexed: 12/11/2022]
Abstract
Glycyrrhizic acid (GA) is the most effective ingredient in the root of licorice, with important pharmacological effects. We investigate the effects of GA on mitochondrial function and biogenesis in the aluminum toxicity in PC12 cell line. After pretreatment of PC12 cells with different concentrations of GA (5-100 μM), and specific concentration of aluminum maltolate (Almal,1000 μM) for 48 h, cell viability, reactive oxygen species (ROS), mitochondrial membrane potential (MMP), mitochondria mass, cytochrome c oxidase enzyme activity, and the ATP level of the cells were measured. The expression mRNA level of PGC-1α, NRF1, NRF2, and TFAM was confirmed by the real-time PCR quantitative method. The results showed that low concentrations of GA protected Almal-induced cell death in 48 h. It was also observed that GA reduced the ROS production and increased the ATP level. The activity of cytochrome c oxidase enzyme and also decrease of MMP were improved. In addition, GA significantly increased the expression of mitochondrial genes and mass against aluminum toxicity. GA can exert its protective effect against the toxicity of Almal through maintaining mitochondrial function and subsequently increasing energy metabolism and mitochondrial biogenesis. GA as a natural product can be considered as a supplement in neurodegenerative disease.
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Mohammadi G, Dargahi L, Peymani A, Mirzanejad Y, Alizadeh SA, Naserpour T, Nassiri-Asl M. The Effects of Probiotic Formulation Pretreatment (Lactobacillus helveticus R0052 and Bifidobacterium longum R0175) on a Lipopolysaccharide Rat Model. J Am Coll Nutr 2018; 38:209-217. [PMID: 30307792 DOI: 10.1080/07315724.2018.1487346] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVE The role of gut microbiota in the pathogenesis of several neurodegenerative disorders, including Alzheimer's disease (AD), via the gut-brain axis has recently been demonstrated; hence, modification of the intestinal microbiota composition by probiotic biotherapy could be a therapeutic target for these conditions. The aim of this study was to assess the effects of a probiotic formulation (Lactobacillus helveticus R0052 and Bifidobacterium longum R0175) on inflammatory and memory processes in lipopolysaccharide (LPS)-induced rats, one of the animal models used in peripherally induced neuroinflammation and neurodegeneration. METHODS Rats were randomly divided into four groups (Control, LPS, Probiotic + LPS, and Probiotic). All experimental groups were orally administrated maltodextrin (placebo) or probiotic (109 CFU/ml/rat) for 14 consecutive days and then were injected with saline or LPS (1 mg/kg, intraperitoneally [i.p.], single dose) 20 hours later. Memory retention ability and systemic and neuroinflammatory markers were assessed 4 hours after the injections. RESULTS Systemic exposure to LPS resulted in significant elevation of both the circulating and hippocampal levels of proinflammatory cytokines, which decreased remarkably following probiotic pretreatment. Oral bacteriotherapy with a combination of L. helveticus R0052 and B. longum R0175 also attenuated the decremental effect of LPS on memory through brain-derived neurotrophic factor (BDNF) expression at the molecular level; however, this effect was not significant in the passive avoidance test at the behavioral level. CONCLUSIONS These results suggest that the management of gut microbiota with this probiotic formulation could be a promising intervention to improve neuroinflammation-associated disorders such as AD.
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Affiliation(s)
- Ghazaleh Mohammadi
- a Department of Molecular Medicine , Qazvin University of Medical Sciences , Qazvin , Iran
| | - Leila Dargahi
- b NeuroBiology Research Center , Shahid Beheshti University of Medical Sciences , Tehran , Iran
| | - Amir Peymani
- c Medical Microbiology Research Center , Qazvin University of Medical Sciences , Qazvin , Iran
| | - Yazdan Mirzanejad
- d Division of Infectious Diseases , University of British Columbia , Vancouver , Canada
| | - Safar Ali Alizadeh
- c Medical Microbiology Research Center , Qazvin University of Medical Sciences , Qazvin , Iran
| | - Taghi Naserpour
- e Cellular and Molecular Research Center, Department of Pharmacology , Qazvin University of Medical Sciences , Qazvin , Iran
| | - Marjan Nassiri-Asl
- e Cellular and Molecular Research Center, Department of Pharmacology , Qazvin University of Medical Sciences , Qazvin , Iran
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Paudel YN, Shaikh MF, Chakraborti A, Kumari Y, Aledo-Serrano Á, Aleksovska K, Alvim MKM, Othman I. HMGB1: A Common Biomarker and Potential Target for TBI, Neuroinflammation, Epilepsy, and Cognitive Dysfunction. Front Neurosci 2018; 12:628. [PMID: 30271319 PMCID: PMC6142787 DOI: 10.3389/fnins.2018.00628] [Citation(s) in RCA: 187] [Impact Index Per Article: 31.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 08/21/2018] [Indexed: 12/13/2022] Open
Abstract
High mobility group box protein 1 (HMGB1) is a ubiquitous nuclear protein released by glia and neurons upon inflammasome activation and activates receptor for advanced glycation end products (RAGE) and toll-like receptor (TLR) 4 on the target cells. HMGB1/TLR4 axis is a key initiator of neuroinflammation. In recent days, more attention has been paid to HMGB1 due to its contribution in traumatic brain injury (TBI), neuroinflammatory conditions, epileptogenesis, and cognitive impairments and has emerged as a novel target for those conditions. Nevertheless, HMGB1 has not been portrayed as a common prognostic biomarker for these HMGB1 mediated pathologies. The current review discusses the contribution of HMGB1/TLR4/RAGE signaling in several brain injury, neuroinflammation mediated disorders, epileptogenesis and cognitive dysfunctions and in the light of available evidence, argued the possibilities of HMGB1 as a common viable biomarker of the above mentioned neurological dysfunctions. Furthermore, the review also addresses the result of preclinical studies focused on HMGB1 targeted therapy by the HMGB1 antagonist in several ranges of HMGB1 mediated conditions and noted an encouraging result. These findings suggest HMGB1 as a potential candidate to be a common biomarker of TBI, neuroinflammation, epileptogenesis, and cognitive dysfunctions which can be used for early prediction and progression of those neurological diseases. Future study should explore toward the translational implication of HMGB1 which can open the windows of opportunities for the development of innovative therapeutics that could prevent several associated HMGB1 mediated pathologies discussed herein.
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Affiliation(s)
- Yam Nath Paudel
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
| | - Mohd Farooq Shaikh
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
| | - Ayanabha Chakraborti
- Department of Surgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Yatinesh Kumari
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
| | - Ángel Aledo-Serrano
- Department of Neurology, Epilepsy Program, Hospital Ruber Internacional, Madrid, Spain
| | - Katina Aleksovska
- Medical Faculty, Department of Neurology, "Saints Cyril and Methodius" University, Skopje, Macedonia
| | | | - Iekhsan Othman
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
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Srinivasan M, Lahiri N, Thyagarajan A, Witek E, Hickman D, Lahiri DK. Nuclear factor-kappa B: Glucocorticoid-induced leucine zipper interface analogs suppress pathology in an Alzheimer's disease model. ALZHEIMER'S & DEMENTIA (NEW YORK, N. Y.) 2018; 4:488-498. [PMID: 30338290 PMCID: PMC6186959 DOI: 10.1016/j.trci.2018.04.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Glucocorticoid-induced leucine zipper is a regulatory protein that sequesters activated nuclear factor-kappa B p65. Previously, we showed that rationally designed analogs of the p65-binding domain of glucocorticoid-induced leucine zipper, referred to as glucocorticoid-induced leucine zipper analogs (GAs), inhibited amyloid β-induced metabolic activity and inflammatory cytokines in mixed brain cell cultures. Here, we investigate the therapeutic efficacy of GA in an Alzheimer's disease model. METHODS GA and control peptides were synthesized covalently as peptide amides with the cell-penetrating agent. C57Bl/6J mice induced with lipopolysaccharide-mediated neuroinflammation (250 mg/kg i.p/day for six days) were treated on alternate days with GA-1, GA-2, or control peptides (25 mg/kg i.v). Brain tissues were assessed for gliosis, cytokines, and antiapoptotic factors. RESULTS The brain tissues of GA-1- and GA-2-treated mice exhibited significantly reduced gliosis, suppressed inflammatory cytokines, and elevated antiapoptotic factors. DISCUSSION The antineuroinflammatory effects of GA suggest potential therapeutic application for Alzheimer's disease.
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Affiliation(s)
- Mythily Srinivasan
- Department of Oral Pathology, Medicine and Radiology, Indiana University School of Dentistry, Indianapolis, IN, USA
| | - Niloy Lahiri
- Provaidya LLC, Indiana University School of Dentistry, Indianapolis, IN, USA
| | - Anish Thyagarajan
- Provaidya LLC, Indiana University School of Dentistry, Indianapolis, IN, USA
| | - Emily Witek
- Stark Neuroscience Research Institute, Department of Psychiatry, Institute of Psychiatry Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Debra Hickman
- Stark Neuroscience Research Institute, Department of Psychiatry, Institute of Psychiatry Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Debomoy K. Lahiri
- Department of Medical & Molecular Genetics, Indiana University School of Medicine, Indiana University–Purdue University Indianapolis, Indianapolis, IN, USA
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Wang Y, Zhang Y, Peng G, Han X. Glycyrrhizin ameliorates atopic dermatitis-like symptoms through inhibition of HMGB1. Int Immunopharmacol 2018; 60:9-17. [PMID: 29702284 DOI: 10.1016/j.intimp.2018.04.029] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 04/13/2018] [Accepted: 04/13/2018] [Indexed: 12/29/2022]
Abstract
Atopic dermatitis (AD) is a chronic relapsing inflammatory skin disease prevalent worldwide. This study investigated the effects of glycyrrhizin, an extract of licorice root, on the well-established model of 2,4-dinitrochlorobenzene-induced AD-like symptoms in mice. The severity of dermatitis, histopathological changes, serum IgE levels, changes in expression of high-mobility group box 1 (HMGB1), the receptor for advanced glycation end products (RAGE), nuclear factor (NF)-κB and inflammatory cytokines were evaluated. Treatment with glycyrrhizin inhibited the HMGB1 signaling cascade and ameliorated the symptoms of AD. Furthermore, in an in vitro study, the expression of RAGE was detected in a mouse mast cell line, P815 cells, and rmHMGB1 was found to be a potent inducer of mast cell activation by increasing Ca2+ influx, upregulating the CD117 and activating NF-κB signaling; these effects were also inhibited by glycyrrhizin. These findings implicate HMGB1 in the pathogenesis of AD and suggest that GL could be an effective therapeutic approach for cutaneous inflammation.
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Affiliation(s)
- Ying Wang
- Department of Dermatology, Shengjing Hospital of China Medical University, Heping District, Shenyang, Liaoning 110004, China
| | - Yue Zhang
- Department of Dermatology, Shengjing Hospital of China Medical University, Heping District, Shenyang, Liaoning 110004, China
| | - Ge Peng
- Department of Dermatology, Shengjing Hospital of China Medical University, Heping District, Shenyang, Liaoning 110004, China
| | - Xiuping Han
- Department of Dermatology, Shengjing Hospital of China Medical University, Heping District, Shenyang, Liaoning 110004, China.
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Cho MJ, Kim JH, Park CH, Lee AY, Shin YS, Lee JH, Park CG, Cho EJ. Comparison of the effect of three licorice varieties on cognitive improvement via an amelioration of neuroinflammation in lipopolysaccharide-induced mice. Nutr Res Pract 2018; 12:191-198. [PMID: 29854324 PMCID: PMC5974064 DOI: 10.4162/nrp.2018.12.3.191] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 01/08/2018] [Accepted: 02/08/2018] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND/OBJECTIVES Neuroinflammation plays critical role in neurodegenerative disorders, such as Alzheimer's disease (AD). We investigated the effect of three licorice varieties, Glycyrhiza uralensis, G. glabra, and Shinwongam (SW) on a mouse model of inflammation-induced memory and cognitive deficit. MATERIALS/METHODS C57BL/6 mice were injected with lipopolysaccharide (LPS; 2.5 mg/kg, intraperitoneally) and orally administrated G. uralensis, G. glabra, and SW extract (150 mg/kg/day). SW, a new species of licorice in Korea, was combined with G. uralensis and G. glabra. Behavioral tests, including the T-maze, novel object recognition and Morris water maze, were carried out to assess learning and memory. In addition, the expressions of inflammation-related proteins in brain tissue were measured by western blotting. RESULTS There was a significant decrease in spatial and objective recognition memory in LPS-induced cognitive impairment group, as measured by the T-maze and novel object recognition test; however, the administration of licorice ameliorated these deficits. In addition, licorice-treated groups exhibited improved learning and memory ability in the Morris water maze. Furthermore, LPS-injected mice had up-regulated pro-inflammatory proteins, such as inducible nitric oxide synthase (iNOS), cyclooxygenase-2, interleukin-6, via activation of toll like receptor 4 (TLR4) and nuclear factor-kappa B (NFκB) pathways in the brain. However, these were attenuated by following administration of the three licorice varieties. Interestingly, the SW-administered group showed greater inhibition of iNOS and TLR4 when compared with the other licorice varieties. Furthermore, there was a significant increase in the expression of brain-derived neurotrophic factor (BDNF) in the brain of LPS-induced cognitively impaired mice that were administered licorice, with the greatest effect following SW treatment. CONCLUSIONS The three licorice varieties ameliorated the inflammation-induced cognitive dysfunction by down-regulating inflammatory proteins and up-regulating BDNF. These results suggest that licorice, in particular SW, could be potential therapeutic agents against cognitive impairment.
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Affiliation(s)
- Min Ji Cho
- Department of Food Science and Nutrition, Pusan National University, 2 Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan 46241, Korea
| | - Ji Hyun Kim
- Department of Food Science and Nutrition, Pusan National University, 2 Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan 46241, Korea
| | - Chan Hum Park
- Department of Herbal Crop Research, NIHHS, RDA, Chungbuk 27709, Korea
| | - Ah Young Lee
- Department of Food Science and Nutrition, Pusan National University, 2 Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan 46241, Korea
| | - Yu Su Shin
- Department of Herbal Crop Research, NIHHS, RDA, Chungbuk 27709, Korea
| | - Jeong Hoon Lee
- Department of Herbal Crop Research, NIHHS, RDA, Chungbuk 27709, Korea
| | - Chun Geun Park
- Department of Herbal Crop Research, NIHHS, RDA, Chungbuk 27709, Korea
| | - Eun Ju Cho
- Department of Food Science and Nutrition, Pusan National University, 2 Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan 46241, Korea
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Kong ZH, Chen X, Hua HP, Liang L, Liu LJ. The Oral Pretreatment of Glycyrrhizin Prevents Surgery-Induced Cognitive Impairment in Aged Mice by Reducing Neuroinflammation and Alzheimer’s-Related Pathology via HMGB1 Inhibition. J Mol Neurosci 2017; 63:385-395. [DOI: 10.1007/s12031-017-0989-7] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 10/10/2017] [Indexed: 11/24/2022]
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Zhang N, Lv H, Shi BH, Hou X, Xu X. Inhibition of IL-6 and IL-8 production in LPS-stimulated human gingival fibroblasts by glycyrrhizin via activating LXRα. Microb Pathog 2017; 110:135-139. [DOI: 10.1016/j.micpath.2017.06.021] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 06/08/2017] [Accepted: 06/15/2017] [Indexed: 11/29/2022]
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Glycyrrhizin inhibits LPS-induced inflammatory mediator production in endometrial epithelial cells. Microb Pathog 2017; 109:110-113. [PMID: 28552807 DOI: 10.1016/j.micpath.2017.05.032] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Revised: 05/14/2017] [Accepted: 05/23/2017] [Indexed: 12/18/2022]
Abstract
Endometriosis is a continuous inflammation of uterine endometrium that usually affects women of reproductive age. Glycyrrhizin, a triterpene isolated from the roots and rhizomes of licorice (Glycyrrhiza glabra), has been known to have anti-inflammatory effect. The purpose of this study was to investigate the anti-inflammatory effect of glycyrrhizin on LPS-stimulated mouse endometrial epithelial cells (MEEC). The levels of TNF-α, IL-1β, and PGE2 were measured by ELISA. The expression of COX-2, iNOS, TLR4, and NF-ĸB were detected by western blot analysis. The results showed that glycyrrhizin significantly suppressed LPS-induced TNF-α, IL-1β, NO, and PGE2 production. Also, LPS-induced iNOS and COX-2 expression were attenuated by glycyrrhizin. Furthermore, glycyrrhizin significantly attenuated TLR4 expression and NF-κB activation induced by LPS in MEEC. In conclusion, the present study demonstrated that glycyrrhizin inhibited LPS-induced inflammatory response by inhibiting TLR4 signaling pathway in MEEC. Glycyrrhizin may be used as a potential agent for the treatment of endometriosis.
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Solomon U, Taghogho EA. Methyl jasmonate attenuates memory dysfunction and decreases brain levels of biomarkers of neuroinflammation induced by lipopolysaccharide in mice. Brain Res Bull 2017; 131:133-141. [PMID: 28411132 DOI: 10.1016/j.brainresbull.2017.04.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Accepted: 04/05/2017] [Indexed: 01/09/2023]
Abstract
Neuroinflammation plays a central role in the etiology and progression of Alzheimer's disease (AD), a neurodegenerative disorder, characterized by a gradual loss of memory functions. Thus, it has been proposed that agents that could reduce inflammatory processes in AD brains might be useful for the treatment of the disease. Methyl jasmonate (MJ) is a bioactive compound, which has been reported to exhibit anti-amnesic and in vitro anti-inflammatory activities. In this study, we further examine its effects on the brain levels of biomarkers of neuroinflammation in lipopolysaccharide (LPS)-induced memory deficits in mice. Mice (n=6) were pretreated intraperitoneally with MJ (10-40mg/kg), donepezil (DP) (1mg/kg) or vehicle (10mL/kg) for 30min prior to injection of LPS (250μg/kg, i.p) daily for 7days. Thirty minutes after LPS administration on day 7, memory function was assessed using Y-maze test. After Y-maze test, the levels of biomarkers of neuroinflammation: prostaglandin E2 (PGE2), tumor necrosis factor α (TNFα) and interleukin 1β (IL1β) were estimated in brain tissue homogenates using ELISA. Expressions of positive cells of cyclooxygenase-2 (COX2), inducible nitric oxide synthase (iNOS), nuclear factor kappa B (NF-κB) and amyloid-beta (Aβ) in the prefrontal cortex were also assessed using immunohistochemistry technique. Our data showed that MJ (10, 20 and 40mg/kg) significantly (p<0.05) reversed LPS-induced memory deficits in mice. The increased brain levels of PGE2, TNFα and IL1β in LPS-treated mice were significantly (p<0.05) reduced by MJ indicating anti-neuroinflammatory activity. MJ also suppressed the expression of COX2, iNOS and NFκB, which further suggest anti-neuroinflammation. The increased brain level of Aβ in LPS-treated mice was significantly (p<0.05) suppressed by MJ suggesting anti-amyloidogenesis-like effect. Our present data showed that MJ attenuated LPS-induced memory dysfunction via mechanisms involving inhibition of pro-inflammatory mediators and beta-amyloid generation in mice.
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Affiliation(s)
- Umukoro Solomon
- Department of Pharmacology and Therapeutics, College of Medicine, University of Ibadan, Ibadan, Nigeria.
| | - Eduviere Anthony Taghogho
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, Nigeria
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Chen F, Ghosh A, Wu F, Tang S, Hu M, Sun H, Kong L, Hong H. Preventive effect of genetic knockdown and pharmacological blockade of CysLT 1R on lipopolysaccharide (LPS)-induced memory deficit and neurotoxicity in vivo. Brain Behav Immun 2017; 60:255-269. [PMID: 27810377 DOI: 10.1016/j.bbi.2016.10.021] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 10/17/2016] [Accepted: 10/30/2016] [Indexed: 12/19/2022] Open
Abstract
Previously we reported that cysteinyl leukotrienes (Cys-LTs) and the type 1 receptor for Cys-LTs (CysLT1R) are related to amyloid β (Aβ)-induced neurotoxicity. The aim of the current study was to find out the role of CysLT1R on lipopolysaccharide (LPS)-induced cognitive deficit and neurotoxicity. shRNA-mediated knockdown or pharmacological blockade (by pranlukast) of CysLT1R were performed in ICR mice for 21days prior to systemic infusion of LPS. From day 22, LPS was administered for 7days and then a set of behavioral, histopathological and biochemical tests were employed to test memory, neuroinflammation and apoptotic responses in the mouse hippocampus. LPS (only)-treated mice showed poor performance in both Morris water maze (MWM) and Y-maze tests. However, shRNA-mediated knockdown or pranlukast-treated blockade of CysLT1R improved performance of the mice in these tests. To find out the possible underlying mechanisms, we assessed several parameters such as microglial activation (by immunohistochemistry), level of CysLT1R (by WB and qRT-PCR) and the inflammatory/apoptotic pathways (by ELISA or TUNEL or WB) in the mouse hippocampus. LPS-induced memory impairment was accompanied by activation of microglia, higher level of CysLT1R, IL-1β, TNF-α and nuclear NF-κB p65. LPS also caused apoptosis in the hippocampus as detected by TUNEL staining, further supplemented by detection of increased Caspase-3 and a reduced Bcl-2/Bax ratio. All of these adverse changes in the mouse hippocampus were inhibited by pretreatment with CysLT1R-shRNA and pranlukast. Through this study we suggest that CysLT1R shares a strong correlation with LPS-associated memory deficit, neuroinflammation and apoptosis and CysLT1R could be a novel target for preventive measures to intervene the progression of Alzheimer's disease (AD)-like phenotypes.
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Affiliation(s)
- Fang Chen
- Department of Pharmacology, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, and State Key Laboratory for Natural Medicines, China Pharmaceutical University, Nanjing 210009, Jiangsu, China
| | - Arijit Ghosh
- Department of Pharmacology, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, and State Key Laboratory for Natural Medicines, China Pharmaceutical University, Nanjing 210009, Jiangsu, China
| | - Feng Wu
- School of Pharmacy, Nantong University, Nantong 226001, Jiangsu, China
| | - Susu Tang
- Department of Pharmacology, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, and State Key Laboratory for Natural Medicines, China Pharmaceutical University, Nanjing 210009, Jiangsu, China
| | - Mei Hu
- Department of Pharmacology, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, and State Key Laboratory for Natural Medicines, China Pharmaceutical University, Nanjing 210009, Jiangsu, China
| | - Hongbin Sun
- Department of Pharmacology, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, and State Key Laboratory for Natural Medicines, China Pharmaceutical University, Nanjing 210009, Jiangsu, China
| | - Lingyi Kong
- Department of Pharmacology, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, and State Key Laboratory for Natural Medicines, China Pharmaceutical University, Nanjing 210009, Jiangsu, China
| | - Hao Hong
- Department of Pharmacology, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, and State Key Laboratory for Natural Medicines, China Pharmaceutical University, Nanjing 210009, Jiangsu, China.
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