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Farzan M, Abedi B, Bhia I, Madanipour A, Farzan M, Bhia M, Aghaei A, Kheirollahi I, Motallebi M, Amini-Khoei H, Ertas YN. Pharmacological Activities and Molecular Mechanisms of Sinapic Acid in Neurological Disorders. ACS Chem Neurosci 2024. [PMID: 39082749 DOI: 10.1021/acschemneuro.4c00349] [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: 08/10/2024] Open
Abstract
Sinapic acid (SA) is a phenylpropanoid derivative found in various natural sources that exhibits remarkable versatile properties, including antioxidant, anti-inflammatory, and metal-chelating capabilities, establishing itself as a promising candidate for the prevention and treatment of conditions affecting the central nervous system, such as Alzheimer's disease (AD), Parkinson's disease (PD), ischemic stroke, and other neurological disorders. These effects also include neuroprotection in epilepsy models, as evidenced by a reduction in seizure-like behavior, cell death in specific hippocampal regions, and lowered neuroinflammatory markers. In AD, SA treatment enhances memory, reverses cognitive deficits, and attenuates astrocyte activation. SA also has positive effects on cognition by improving memory and lowering oxidative stress. This is shown by lower levels of oxidative stress markers, higher levels of antioxidant enzyme activity, and better memory retention. Additionally, in ischemic stroke and PD models, SA provides microglial protection and exerts anti-inflammatory effects. This review emphasizes SA's multifaceted neuroprotective properties and its potential role in the prevention and treatment of various brain disorders. Despite the need for further research to fully understand its mechanisms of action and clinical applicability, SA stands out as a valuable bioactive compound in the ongoing quest to combat neurodegenerative diseases and enhance the quality of life for affected individuals.
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Affiliation(s)
- Mahan Farzan
- Student Research Committee, Shahrekord University of Medical Sciences, Shahrekord 8815713471, Iran
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord 8815783657, Iran
| | - Behnaz Abedi
- Department of Basic Sciences, Faculty of Veterinary Medicine, University of Tabriz, Tabriz 5166616471, Iran
| | - Iman Bhia
- Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran
| | - Atossa Madanipour
- Student Research Committee, Alborz University of Medical Sciences, Karaj 3146883811, Iran
| | - Mahour Farzan
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord 8815783657, Iran
| | - Mohammad Bhia
- School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran 1996835113, Iran
| | - Ava Aghaei
- Student Research Committee, Shahrekord University of Medical Sciences, Shahrekord 8815713471, Iran
| | - Iman Kheirollahi
- Student Research Committee, Isfahan University of Medical Sciences, Isfahan 8174673441, Iran
| | - Mahzad Motallebi
- Nanomedicine Research Association (NRA), Universal Scientific Education and Research Network (USERN), Tehran 7616911319, Iran
| | - Hossein Amini-Khoei
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord 8815783657, Iran
| | - Yavuz Nuri Ertas
- Department of Biomedical Engineering, Erciyes University, Kayseri 38039, Turkey
- Department of Technical Sciences, Western Caspian University, AZ1001 Baku, Azerbaijan
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Balan I, Grusca A, Chéry SL, Materia BR, O’Buckley TK, Morrow AL. Neurosteroid [3α,5α]-3-Hydroxy-pregnan-20-one Enhances the CX3CL1-CX3CR1 Pathway in the Brain of Alcohol-Preferring Rats with Sex-Specificity. Life (Basel) 2024; 14:860. [PMID: 39063614 PMCID: PMC11277648 DOI: 10.3390/life14070860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 06/04/2024] [Accepted: 07/03/2024] [Indexed: 07/28/2024] Open
Abstract
This study investigates the impact of allopregnanolone ([3α,5α]3-hydroxypregnan-20-one or 3α,5α-tetrahydroprogesterone (3α,5α-THP); 10 mg/kg, IP) on fractalkine/CX3-C motif chemokine ligand 1 (CX3CL1) levels, associated signaling components, and markers for microglial and astrocytic cells in the nucleus accumbens (NAc) of male and female alcohol-preferring (P) rats. Previous research suggested that 3α,5α-THP enhances anti-inflammatory interleukin-10 (IL-10) cytokine production in the brains of male P rats, with no similar effect observed in females. This study reveals that 3α,5α-THP elevates CX3CL1 levels by 16% in the NAc of female P rats, with no significant changes observed in males. The increase in CX3CL1 levels induced by 3α,5α-THP was observed in females across multiple brain regions, including the NAc, amygdala, hypothalamus, and midbrain, while no significant effect was noted in males. Additionally, female P rats treated with 3α,5α-THP exhibited notable increases in CX3CL1 receptor (CX3CR1; 48%) and transforming growth factor-beta 1 (TGF-β1; 24%) levels, along with heightened activation (phosphorylation) of signal transducer and activator of transcription 1 (STAT1; 85%) in the NAc. Conversely, no similar alterations were observed in male P rats. Furthermore, 3α,5α-THP decreased glial fibrillary acidic protein (GFAP) levels by 19% in both female and male P rat NAc, without affecting microglial markers ionized calcium-binding adaptor molecule 1 (IBA1) and transmembrane protein 119 (TMEM119). These findings indicate that 3α,5α-THP enhances the CX3CL1/CX3CR1 pathway in the female P rat brain but not in males, primarily influencing astrocyte reactivity, with no observed effect on microglial activation.
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Affiliation(s)
- Irina Balan
- Bowles Center for Alcohol Studies, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; (I.B.)
- Department of Psychiatry, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Adelina Grusca
- Bowles Center for Alcohol Studies, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; (I.B.)
| | - Samantha Lucenell Chéry
- Bowles Center for Alcohol Studies, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; (I.B.)
- Neuroscience Curriculum, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Baylee R. Materia
- Bowles Center for Alcohol Studies, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; (I.B.)
| | - Todd K. O’Buckley
- Bowles Center for Alcohol Studies, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; (I.B.)
| | - A. Leslie Morrow
- Bowles Center for Alcohol Studies, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; (I.B.)
- Department of Psychiatry, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Department of Pharmacology, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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Jana S, Mitra P, Dutta A, Khatun A, Kumar Das T, Pradhan S, Kumar Nandi D, Roy S. Early diagnostic biomarkers for acute kidney injury using cisplatin-induced nephrotoxicity in rat model. Curr Res Toxicol 2023; 5:100135. [PMID: 38033659 PMCID: PMC10682538 DOI: 10.1016/j.crtox.2023.100135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 11/01/2023] [Accepted: 11/06/2023] [Indexed: 12/02/2023] Open
Abstract
Chronic kidney diseases (CKD) caused by acute kidney injury (AKI) results rapid and reversible loss in renal function. A real-time, highly accurate, and sensitive acute kidney injury biomarker is urgently required in order to keep these patients alive and prevent end stage renal disease and related complications that include hypertension, fluid and electrolyte retention, metabolic acidosis, anemia, stroke etc. This study was designed to develop a specific and sensitive model for the early identification of renal damage in male albino rats. Using a single intraperitoneal dose of cisplatin (10 mg/kg body weight) to the rats, the various duration-dependent nephrotoxic activities were compared using multiple physiological, biochemical, genomic, and histopathological markers. We looked into when renal dysfunction would start occurring after receiving a single high dose of cisplatin while blood urea nitrogen (BUN) and serum creatinine (sCr) remained normal. Following a single cisplatin injection, various measurements were taken in plasma, urine, and/or kidney tissues of rats euthanized on days 1, 2, 3, 5, and 7. When the urine kidney injury molecule (KIM-1), interleukine 18 (IL-18), nephrin, neutrophil gelatinase-associated lipocalin (NGAL) and serum cystatin C (Cys C) levels are greatly raised on day 3 after cisplatin treatment, BUN and sCr levels remain normal. Nephrotoxicity of cisplatin is also indicated by the upregulated mRNA expression of KIM-1, IL-18, Cys C, and NGAL and downregulated expression of nephrin in kidney tissue at very initial stage. Protein expression of KIM-1, IL-18 and NGAL level of kidney tissues was upregulated indicated confirmatory results done by western blot. Utilising an array of kidney impairment indicators has emerged as an earlier, more effective, and more reliable technique to diagnose AKI when compared to the most sophisticated signs now available.
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Affiliation(s)
- Sahadeb Jana
- Biodiversity and Environmental Studies Research Center, Midnapore City College, Kuturiya, Bhadutala, Midnapore, Paschim Medinipur, Pin- 721129, West Bengal, India
- Nutrition Research Laboratory, Department of Paramedical and Allied Health Sciences, Midnapore City College, Midnapore, Paschim Medinipur, Pin-721129, West Bengal, India
| | - Palash Mitra
- Nutrition Research Laboratory, Department of Paramedical and Allied Health Sciences, Midnapore City College, Midnapore, Paschim Medinipur, Pin-721129, West Bengal, India
| | - Ananya Dutta
- Biodiversity and Environmental Studies Research Center, Midnapore City College, Kuturiya, Bhadutala, Midnapore, Paschim Medinipur, Pin- 721129, West Bengal, India
- Nutrition Research Laboratory, Department of Paramedical and Allied Health Sciences, Midnapore City College, Midnapore, Paschim Medinipur, Pin-721129, West Bengal, India
| | - Amina Khatun
- Biodiversity and Environmental Studies Research Center, Midnapore City College, Kuturiya, Bhadutala, Midnapore, Paschim Medinipur, Pin- 721129, West Bengal, India
- Nutrition Research Laboratory, Department of Paramedical and Allied Health Sciences, Midnapore City College, Midnapore, Paschim Medinipur, Pin-721129, West Bengal, India
| | - Tridip Kumar Das
- Biodiversity and Environmental Studies Research Center, Midnapore City College, Kuturiya, Bhadutala, Midnapore, Paschim Medinipur, Pin- 721129, West Bengal, India
- Nutrition Research Laboratory, Department of Paramedical and Allied Health Sciences, Midnapore City College, Midnapore, Paschim Medinipur, Pin-721129, West Bengal, India
| | - Shrabani Pradhan
- Nutrition Research Laboratory, Department of Paramedical and Allied Health Sciences, Midnapore City College, Midnapore, Paschim Medinipur, Pin-721129, West Bengal, India
| | - Dilip Kumar Nandi
- Nutrition Research Laboratory, Department of Paramedical and Allied Health Sciences, Midnapore City College, Midnapore, Paschim Medinipur, Pin-721129, West Bengal, India
| | - Suchismita Roy
- Nutrition Research Laboratory, Department of Paramedical and Allied Health Sciences, Midnapore City College, Midnapore, Paschim Medinipur, Pin-721129, West Bengal, India
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Dutta D, Jana M, Paidi RK, Majumder M, Raha S, Dasarathy S, Pahan K. Tau fibrils induce glial inflammation and neuropathology via TLR2 in Alzheimer's disease-related mouse models. J Clin Invest 2023; 133:e161987. [PMID: 37552543 PMCID: PMC10503811 DOI: 10.1172/jci161987] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 07/27/2023] [Indexed: 08/10/2023] Open
Abstract
Glial activation and inflammation coincide with neurofibrillary tangle (NFT) formation in neurons. However, the mechanism behind the interaction between tau fibrils and glia is poorly understood. Here, we found that tau preformed fibrils (PFFs) caused induction of inflammation in microglia by specifically activating the TLR2/MyD88, but not the TLR4/MyD88, pathway. Accordingly, the WT TLR2-interacting domain of MyD88 (wtTIDM) peptide inhibited tau PFF-induced activation of the TLR2/MyD88/NF-κB pathway, resulting in reduced inflammation. Nasal administration of wtTIDM in P301S tau-expressing PS19 mice was found to inhibit gliosis and inflammatory markers, as well as to reduce pathogenic tau in the hippocampus, resulting in improved cognitive behavior in PS19 mice. The inhibitory effect of wtTIDM on tau pathology was absent in PS19 mice lacking TLR2, reinforcing the essential involvement of TLR2 in wtTIDM-mediated effects in vivo. Studying the mechanism further, we found that the tau promoter harbored a potential NF-κB-binding site and that proinflammatory molecules increased transcription of tau in neurons via NF-κB. These results suggest that tau-induced neuroinflammation and neuropathology require TLR2 and that neuroinflammation directly upregulates tau in neurons via NF-κB, highlighting a direct connection between inflammation and tauopathy.
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Affiliation(s)
- Debashis Dutta
- Department of Neurological Sciences, Rush University Medical Center, Chicago, Illinois, USA
| | - Malabendu Jana
- Department of Neurological Sciences, Rush University Medical Center, Chicago, Illinois, USA
| | - Ramesh Kumar Paidi
- Department of Neurological Sciences, Rush University Medical Center, Chicago, Illinois, USA
| | - Moumita Majumder
- Department of Neurological Sciences, Rush University Medical Center, Chicago, Illinois, USA
| | - Sumita Raha
- Department of Neurological Sciences, Rush University Medical Center, Chicago, Illinois, USA
| | - Sridevi Dasarathy
- Department of Neurological Sciences, Rush University Medical Center, Chicago, Illinois, USA
| | - Kalipada Pahan
- Department of Neurological Sciences, Rush University Medical Center, Chicago, Illinois, USA
- Division of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois, USA
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Chakrabarti S, Gorai S, Pahan K. A simple protocol for isolating microglia from adult mouse brain. NEUROIMMUNE PHARMACOLOGY AND THERAPEUTICS 2023; 2:293-300. [PMID: 37885917 PMCID: PMC10474378 DOI: 10.1515/nipt-2023-0014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 07/20/2023] [Indexed: 10/28/2023]
Abstract
Objectives Although microglia are activated in adult and aged brains resulting in neurodegenerative and neuroinflammatory disorders, most of the cell culture studies on microglia deal with neonatal microglia because of ease of isolation. Microglia could be isolated from adult brains, but it requires separation by density gradient centrifugation, magnetic beads, etc. Here, we describe a simple protocol of isolating highly purified microglia from adult mouse brains. Methods Our protocol involves dilution with sterile PBS or media, regular centrifugation, and plating on poly-D-lysine-coated flasks. Results These adult microglia expressed the inducible nitric oxide synthase in response to preformed α-syn fibril, an etiological reagent of Parkinson's disease, and bacterial lipopolysaccharides, one of the prototype proinflammatory stimuli. Moreover, these adult microglia exhibited phagocytosis, which was stimulated by LPS treatment. Conclusions These results suggest that adult microglia isolated by our procedure are functional and that these adult microglia could be used for studies related to neurodegenerative disorders.
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Affiliation(s)
- Sudipta Chakrabarti
- Department of Neurological Sciences, Rush University Medical Center, Chicago, USA
| | - Sukhamoy Gorai
- Department of Neurological Sciences, Rush University Medical Center, Chicago, USA
| | - Kalipada Pahan
- Department of Neurological Sciences, Rush University Medical Center, Chicago, USA
- Division of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, USA
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Yazdi M, Nafari A, Azadpour M, Alaee M, Hadipour Moradi F, Choghakhori R, Hormozi M, Ahmadvand H. Protective Effects of Cinnamic Acid Against Hyperglycemia Induced Oxidative Stress and Inflammation in HepG2 Cells. Rep Biochem Mol Biol 2023; 12:1-12. [PMID: 37724158 PMCID: PMC10505459 DOI: 10.52547/rbmb.12.1.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 04/21/2022] [Indexed: 09/20/2023]
Abstract
Background Cinnamic acid, a phenylpropanoid acid, has been investigated as a potential alternative therapy for diabetes and its complications in some studies. Methods In the first stage, the viability of HepG2 cells at different concentrations of glucose and CA was assessed by MTT assay. Oxidative stress markers) CAT, GPx, GSH, and MDA) were measured spectrophotometrically. After RNA extraction, the effect of different concentrations of CA on the expression of DPP4 and inflammatory factors (IL-6, NF- κB) in HepG2 cells was assessed using real-time PCR. Results In HepG2 cells, CA increased catalase and glutathione peroxidase activity and GSH production in a dose-dependent manner in the presence of high glucose concentrations, with the greatest effect seen at a concentration of 75 mg/ml. Also, it reduced the amount of MDA in high-glucose HepG2 cells. Furthermore, CA decreased the expression of DPP4, NF- κB, and IL-6 genes in HepG2 cells in the presence of high glucose levels. Conclusions The results of our study indicated that CA reduced hyperglycemia-induced complications in HepG2 cells by decreasing inflammatory gene expression, including IL-6 and NF- κB and inhibiting the expression of DPP4, and limiting oxidative stress.
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Affiliation(s)
- Mohammad Yazdi
- Department of Biochemistry, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran.
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran.
| | - Amirhossein Nafari
- Student Research Committee, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran.
- Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modarres University, Tehran, Iran.
| | - Mojgan Azadpour
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran.
| | - Mahdi Alaee
- Department of Biochemistry, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran.
| | - Forouzan Hadipour Moradi
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran.
| | - Razieh Choghakhori
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran.
| | - Maryam Hormozi
- Department of Biochemistry, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran.
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran.
| | - Hassan Ahmadvand
- Department of Biochemistry, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran.
- Medicinal plants and natural products research center, Hamadan university of medical sciences, Hamadan, Iran.
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Marino A, Battaglini M, Moles N, Ciofani G. Natural Antioxidant Compounds as Potential Pharmaceutical Tools against Neurodegenerative Diseases. ACS OMEGA 2022; 7:25974-25990. [PMID: 35936442 PMCID: PMC9352343 DOI: 10.1021/acsomega.2c03291] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 06/29/2022] [Indexed: 06/01/2023]
Abstract
Natural antioxidants are a very large diversified family of molecules classified by activity (enzymatic or nonenzymatic), chemical-physical properties (e.g., hydrophilic or lipophilic), and chemical structure (e.g., vitamins, polyphenols, etc.). Research on natural antioxidants in various fields, such as pharmaceutics, nutraceutics, and cosmetics, is among the biggest challenges for industry and science. From a biomedical point of view, the scavenging activity of reactive oxygen species (ROS) makes them a potential tool for the treatment of neurodegenerative diseases including Alzheimer's disease, Parkinson's disease, Huntington's disease, dementia, and amyotrophic lateral sclerosis (ALS). In addition to the purified phytochemical compounds, a variety of natural extracts characterized by a complex mixture of antioxidants and anti-inflammatory molecules have been successfully exploited to rescue preclinical models of these diseases. Extracts derived from Ginkgo biloba, grape, oregano, curcumin, tea, and ginseng show multitherapeutic effects by synergically acting on different biochemical pathways. Furthermore, the reduced toxicity associated with many of these compounds limits the occurrence of side effects. The support of nanotechnology for improving brain delivery, controlling release, and preventing rapid degradation and excretion of these compounds is of fundamental importance. This review reports on the most promising results obtained on in vitro systems, in vivo models, and in clinical trials, by exploiting natural-derived antioxidant compounds and extracts, in their free form or encapsulated in nanocarriers.
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Affiliation(s)
- Attilio Marino
- Istituto
Italiano di Tecnologia, Smart Bio-Interfaces, Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
| | - Matteo Battaglini
- Istituto
Italiano di Tecnologia, Smart Bio-Interfaces, Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
| | - Nadia Moles
- Istituto
Italiano di Tecnologia, Smart Bio-Interfaces, Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
- Politecnico
di Torino, Department of Mechanical
and Aerospace Engineering, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Gianni Ciofani
- Istituto
Italiano di Tecnologia, Smart Bio-Interfaces, Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
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Zhuo R, Cheng X, Luo L, Yang L, Zhao Y, Zhou Y, Peng L, Jin X, Cui L, Liu F, Yang L. Cinnamic Acid Improved Lipopolysaccharide-Induced Depressive-Like Behaviors by Inhibiting Neuroinflammation and Oxidative Stress in Mice. Pharmacology 2022; 107:281-289. [PMID: 35325888 DOI: 10.1159/000520990] [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] [Received: 04/02/2021] [Accepted: 11/16/2021] [Indexed: 12/28/2022]
Abstract
AIM Recent evidence indicates that neuroinflammation and oxidative stress play vital roles in the pathological process of major depressive disorder (MDD). Cinnamic acid (CA), a naturally occurring organic acid, has been reported to ameliorate neuroinflammation and oxidative stress for treatment of diabetes-related memory deficits. Here, we explored whether CA pretreatment ameliorated lipopolysaccharide (LPS)-induced depressive-like behaviors in mice by suppressing neuroinflammation and by improving oxidative stress status. METHODS The mice were treated with CA, vehicle, or fluoxetine as a positive control. After 14 days, LPS (1 mg/kg, i.p.) or saline was administered. The depression-like behaviors were examined by the sucrose preference test (SPT), the forced swimming test (FST), and the tail suspension test (TST). Furthermore, the levels of interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), superoxide dismutase (SOD), glutathione (GSH), malondialdehyde (MDA), and brain-derived neurotrophic factor (BDNF) in the hippocampus and cortex of mice were assayed. RESULTS Our results demonstrated that CA pretreatment at the doses of 100 and 200 mg/kg significantly attenuated depressive-like behaviors in the TST, FST, and SPT. In addition, not only the upregulation of pro-inflammatory cytokines (IL-6 and TNF-α) but also oxidative stress parameters including SOD, GSH, and MDA in the hippocampus and cortex of mice treated with LPS were dramatically improved by CA pretreatment. Finally, CA pretreatment strikingly ameliorated the downregulation of BDNF induced by LPS in the hippocampus and cortex of mice. CONCLUSION Our results indicated that CA may have therapeutic potential for MDD treatment through attenuating the LPS-induced inflammation and oxidative stress along with significant improvement of BDNF impairment.
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Affiliation(s)
- Rengong Zhuo
- Xiamen Key Laboratory of Chiral Drugs, Medical College, Xiamen University, Xiamen, China.,Shenzhen Research Institute of Xiamen University, Shenzhen, China
| | - Xiaoling Cheng
- Xiamen Key Laboratory of Chiral Drugs, Medical College, Xiamen University, Xiamen, China
| | - Lili Luo
- Xiamen Key Laboratory of Chiral Drugs, Medical College, Xiamen University, Xiamen, China
| | - Luying Yang
- Xiamen Key Laboratory of Chiral Drugs, Medical College, Xiamen University, Xiamen, China
| | - Yun Zhao
- Xiamen Key Laboratory of Chiral Drugs, Medical College, Xiamen University, Xiamen, China
| | - Yu Zhou
- Xiamen Key Laboratory of Chiral Drugs, Medical College, Xiamen University, Xiamen, China
| | - Lu Peng
- Xiamen Key Laboratory of Chiral Drugs, Medical College, Xiamen University, Xiamen, China
| | - Xin Jin
- Xiamen Key Laboratory of Chiral Drugs, Medical College, Xiamen University, Xiamen, China
| | - Lishan Cui
- Department of Neurology, Xiang'an Branch, The First Affiliated Hospital of Xiamen University, Xiamen University, Xiamen, China
| | - Feng Liu
- Department of Anesthesiology, Xiang'an Branch, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Lichao Yang
- Xiamen Key Laboratory of Chiral Drugs, Medical College, Xiamen University, Xiamen, China
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Babaeenezhad E, Nouryazdan N, Nasri M, Ahmadvand H, Moradi Sarabi M. Cinnamic acid ameliorate gentamicin-induced liver dysfunctions and nephrotoxicity in rats through induction of antioxidant activities. Heliyon 2021; 7:e07465. [PMID: 34278037 PMCID: PMC8264605 DOI: 10.1016/j.heliyon.2021.e07465] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 05/29/2021] [Accepted: 06/29/2021] [Indexed: 11/22/2022] Open
Abstract
This study was the first to evaluate the possible protective effects of cinnamic acid (CA) against Gentamicin (GM) induced liver and kidney dysfunctions in rats. Adult male Wistar rats were randomly assigned to 4 equal groups (n = 8): Control group (saline, 0.5 ml/day), CA group (CA, 50 mg/kg/day), GM group (GM, 100 mg/kg/day), and GM + CA group (100 & 50 mg/kg/day). Following 12 days of treatments, blood and 24 h urine samples were collected and kidneys were taken out for biochemical, histopathological, and molecular studies. Following CA treatment, renal function markers and transaminases activities including serum urea (59.92%) and creatinine (50.41%), protein excretion rate (43.67%), and serum activities of aspartate aminotransferase (AST) (54.34%) and alanine aminotransferase (ALT) (47.26%) significantly reduced in the treated group as compared with the GM group (P < 0.05). Also, CA could significantly ameliorate the levels of triglyceride (29.70%), cholesterol (13.02%), very low-density lipoprotein (29.69%) and high-density lipoprotein-cholesterol (7.28%). CA could also attenuate oxidative stress through a decrease of serum malondialdehyde (MDA) (50.86%) and nitric oxide (NO) (0.85%) and an increase of renal catalase (CAT) (196.14%) and glutathione peroxidase (GPX) activities (45.88%) as well as GPX mRNA expression (44.42-fold) as compared with the GM group (P < 0.05). Moreover, histopathological evaluations revealed attenuated tubular damages and reduced inflammatory cellular infiltration in CA treated animals. Overall, CA alleviates GM-induced nephrotoxicity and alterations in transaminases activities in rats through its antioxidant activities.
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Affiliation(s)
- Esmaeel Babaeenezhad
- Department of Clinical Biochemistry, School of Medicine, Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Negar Nouryazdan
- Department of Biochemistry and Genetics, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Maryam Nasri
- Department of Biochemistry and Genetics, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Hassan Ahmadvand
- Department of Biochemistry and Genetics, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Mostafa Moradi Sarabi
- Department of Clinical Laboratory Sciences, School of Allied Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran
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Alves-Silva T, Freitas GA, Húngaro TGR, Arruda AC, Oyama LM, Avellar MCW, Araujo RC. Interleukin-6 deficiency modulates testicular function by increasing the expression of suppressor of cytokine signaling 3 (SOCS3) in mice. Sci Rep 2021; 11:11456. [PMID: 34075113 PMCID: PMC8169872 DOI: 10.1038/s41598-021-90872-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 05/09/2021] [Indexed: 02/04/2023] Open
Abstract
Several cytokines have been reported to participate in spermatogenesis, including interleukin-6 (IL6). However, not many studies have been conducted on the loss of Il6 on the male reproductive tract. Nonetheless, there is considerable knowledge regarding the pathological and physiological role of IL6 on spermatogenesis. In this way, this study evaluated the impact of Il6 deficiency on mice testicles in the absence of infection or inflammation. We showed that Il6 deficiency increases daily sperm production, the number of spermatids, and the testicular testosterone and dihydrotestosterone levels. Besides that, mice with a deleted Il6 (IL6KO) showed increased testicular SOCS3 levels, with no changes in pJAK/JAK and pSTAT3/STAT3 ratios. It is worth noting that the aforementioned pathway is not the only pathway to up-regulate SOCS3, nor is it the only SOCS3 target, thus proposing that the increase of SOCS3 in the testis occurs independently of the JAK-STAT signaling in IL6KO mice. Therefore, we suggest that the lack of Il6 drives androgenic production by increasing SOCS3 in the testis, thus leading to an increase in spermatogenesis.
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Affiliation(s)
- Thaís Alves-Silva
- grid.411249.b0000 0001 0514 7202Laboratory of Genetics and Exercise Metabolism, Biophysics Department, Federal University of São Paulo (UNIFESP), São Paulo, Brazil ,grid.411249.b0000 0001 0514 7202Molecular Biology Program, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Geanne Arantes Freitas
- grid.411249.b0000 0001 0514 7202Pharmacology and Molecular Biology Institute, Federal University of São Paulo (UNIFESP), São Paulo, Brazil ,grid.11899.380000 0004 1937 0722Institute of Biomedical Sciences, University of São Paulo (USP), São Paulo, Brazil
| | - Talita Guerreiro Rodrigues Húngaro
- grid.411249.b0000 0001 0514 7202Laboratory of Genetics and Exercise Metabolism, Biophysics Department, Federal University of São Paulo (UNIFESP), São Paulo, Brazil ,grid.411249.b0000 0001 0514 7202Nephrology Program, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Adriano Cleis Arruda
- grid.411249.b0000 0001 0514 7202Laboratory of Genetics and Exercise Metabolism, Biophysics Department, Federal University of São Paulo (UNIFESP), São Paulo, Brazil ,grid.411249.b0000 0001 0514 7202Nephrology Program, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Lila Missae Oyama
- grid.411249.b0000 0001 0514 7202Laboratory of Nutrition and Endocrine Physiology, Physiology Department, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Maria Christina Werneck Avellar
- grid.411249.b0000 0001 0514 7202Pharmacology and Molecular Biology Institute, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Ronaldo Carvalho Araujo
- grid.411249.b0000 0001 0514 7202Laboratory of Genetics and Exercise Metabolism, Biophysics Department, Federal University of São Paulo (UNIFESP), São Paulo, Brazil ,grid.411249.b0000 0001 0514 7202Molecular Biology Program, Federal University of São Paulo (UNIFESP), São Paulo, Brazil ,grid.411249.b0000 0001 0514 7202Nephrology Program, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
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11
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Huang S, Liu W, Li Y, Zhang K, Zheng X, Wu H, Tang G. Design, Synthesis, and Activity Study of Cinnamic Acid Derivatives as Potent Antineuroinflammatory Agents. ACS Chem Neurosci 2021; 12:419-429. [PMID: 33439002 DOI: 10.1021/acschemneuro.0c00578] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Neuroinflammatory cytokines are promising therapeutic targets for the treatment of Alzheimer's disease. Herein, we described our efforts toward the investigation of cinnamic acid derivatives as antineuroinflammatory agents. Intensive structural modifications led to the identification of compound 4f as the most effective antineuroinflammatory agent in vitro. The oral administration of compound 4f could reverse lipopolysaccharide (LPS)-induced memory disturbance and normalize glucose uptake and metabolism in the brains of mice. Further biological studies in vivo revealed that compound 4f was directly bound to the mitogen-activated protein kinase (MAPK) signaling pathway, resulting in suppression of its downstream signaling pathway by blocking neuroinflammatory progression. Docking studies showed that compound 4f could be inserted into the active pocket of interleukin-1β (IL-1β). Furthermore, it was confirmed that compound 4f formed hydrogen bonds with SER84 to enhance the binding affinity. Taken together, these results are of great importance in the development of cinnamic acid derivatives for the treatment of Alzheimer's disease.
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Affiliation(s)
- Shun Huang
- Nanfang PET Center, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Wenfeng Liu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen 529020, China
| | - Yonglian Li
- School of Eco-environment Technology, Guangdong Industry Polytechnic, Guangzhou 510300, China
| | - Kun Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
| | - Xi Zheng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
- Susan Lehman Cullman Laboratory for Cancer Research, Department of Chemical Biology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States
| | - Hubing Wu
- Nanfang PET Center, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Ganghua Tang
- Nanfang PET Center, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
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12
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Abstract
Autoimmune diseases are one of the dreadful group of human diseases that have always been of keen interest to researchers. Due to complex and broad-spectrum nature, scientists are not yet able to pinpoint the pathogenesis of and delineate effective therapy against this group of diseases. However, it is becoming clear that a decrease in number and function of T regulatory cells (Treg), an increase in autoreactive Th1/Th17 cells and associated immunomodulation and inflammation participate in the pathogenesis of many autoimmune diseases. Cinnamon (Cinnamonum verum or Cinnamonum cassia) is a widely used natural spice and flavoring ingredient and its metabolite sodium benzoate (NaB) is a food-additive and FDA-approved drug against nonketotic hyperglycinemia (NKH) and urea cycle disorders (UCD). Recent studies indicate that cinnamon either in powder or extract form and NaB are capable of modulating different autoimmune pathways as well as protecting animals from different autoimmune disorders. Here, we have made an honest attempt to delineate such pieces of evidence with available anti-autoimmune mechanisms and analyze whether cinnamon supplements could be used to control the fury of autoimmune disorders.
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Affiliation(s)
- Swarupa Pahan
- Division of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, USA
| | - Kalipada Pahan
- Division of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, USA.,Department of Neurological Sciences, Rush University Medical Center, Chicago, USA
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13
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Ronaldson PT, Davis TP. Regulation of blood-brain barrier integrity by microglia in health and disease: A therapeutic opportunity. J Cereb Blood Flow Metab 2020; 40:S6-S24. [PMID: 32928017 PMCID: PMC7687032 DOI: 10.1177/0271678x20951995] [Citation(s) in RCA: 195] [Impact Index Per Article: 48.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The blood-brain barrier (BBB) is a critical regulator of CNS homeostasis. It possesses physical and biochemical characteristics (i.e. tight junction protein complexes, transporters) that are necessary for the BBB to perform this physiological role. Microvascular endothelial cells require support from astrocytes, pericytes, microglia, neurons, and constituents of the extracellular matrix. This intricate relationship implies the existence of a neurovascular unit (NVU). NVU cellular components can be activated in disease and contribute to dynamic remodeling of the BBB. This is especially true of microglia, the resident immune cells of the brain, which polarize into distinct proinflammatory (M1) or anti-inflammatory (M2) phenotypes. Current data indicate that M1 pro-inflammatory microglia contribute to BBB dysfunction and vascular "leak", while M2 anti-inflammatory microglia play a protective role at the BBB. Understanding biological mechanisms involved in microglia activation provides a unique opportunity to develop novel treatment approaches for neurological diseases. In this review, we highlight characteristics of M1 proinflammatory and M2 anti-inflammatory microglia and describe how these distinct phenotypes modulate BBB physiology. Additionally, we outline the role of other NVU cell types in regulating microglial activation and highlight how microglia can be targeted for treatment of disease with a focus on ischemic stroke and Alzheimer's disease.
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Affiliation(s)
- Patrick T Ronaldson
- Department of Pharmacology, College of Medicine University of Arizona, Tucson, AZ, USA
| | - Thomas P Davis
- Department of Pharmacology, College of Medicine University of Arizona, Tucson, AZ, USA
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14
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Wang W, Qin X, Wang R, Xu J, Wu H, Khalid A, Jiang H, Liu D, Pan F. EZH2 is involved in vulnerability to neuroinflammation and depression-like behaviors induced by chronic stress in different aged mice. J Affect Disord 2020; 272:452-464. [PMID: 32553389 DOI: 10.1016/j.jad.2020.03.154] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 02/15/2020] [Accepted: 03/29/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND Microglial activation and pro-inflammatory cytokines expression is closely related to pathogenesis of depression. Aging is a known risk factor for neuroinflammation in the central nervous system and subsequent behavioral impairment. Enhancer of zeste homolog 2 (EZH2), a methyltransferase of histone H3 lysine 27 which regulates microglial activation, plays a crucial role in proinflammatory cytokines expression. However, whether the EZH2 is involved in susceptibility to depression in different ages remains elusive. METHODS Young and aged C57BL/6 mice were exposed to chronic unpredictable mild stress for three weeks. Depression- and anxiety-like behaviors, spatial memory impairment, and the expression of pro-inflammatory cytokines, P-p65, EZH2, H3K27me3 and SOCS3 in the prefrontal cortex and hippocampus were measured using an established behavioral battery, ELISA, immunohistochemistry and western blotting techniques. Moreover, EPZ-6438, an inhibitor of EZH2, was utilized to detect the role of EZH2 in neuroinflammation and behavioral abnormalities. RESULTS CUMS induced depression-like behaviors and spatial memory impairment, elevated levels of proinflammatory cytokines and P-p65, enhanced M1 microglia activation, and increased levels of EZH2, H3K27me3 and SOCS3 in the prefrontal cortex and hippocampus in young and aged mice. Both unstressed and stressed aged mice displayed attention-deficit behavioral outcomes, alteration of protein levels compared with young mice. However, inhibition of EZH2 could relieve most of behavioral and molecular alterations. LIMITATIONS A relative small sample size is a limitation. CONCLUSIONS EZH2 might be involved in susceptibility to neuroinflammation and depression-like behaviors in different aged mice.
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Affiliation(s)
- Wei Wang
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Xiaqing Qin
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Rui Wang
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Jingjing Xu
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Huiran Wu
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Arslan Khalid
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Hong Jiang
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Dexiang Liu
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Fang Pan
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China.
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15
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Leptin stimulates synaptogenesis in hippocampal neurons via KLF4 and SOCS3 inhibition of STAT3 signaling. Mol Cell Neurosci 2020; 106:103500. [PMID: 32438059 DOI: 10.1016/j.mcn.2020.103500] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 03/25/2020] [Accepted: 05/05/2020] [Indexed: 01/26/2023] Open
Abstract
Normal development of neuronal connections in the hippocampus requires neurotrophic signals, including the cytokine leptin. During neonatal development, leptin induces formation and maturation of dendritic spines, the main sites of glutamatergic synapses in the hippocampal neurons. However, the molecular mechanisms for leptin-induced synaptogenesis are not entirely understood. In this study, we reveal two novel targets of leptin in developing hippocampal neurons and address their role in synaptogenesis. First target is Kruppel-Like Factor 4 (KLF4), which we identified using a genome-wide target analysis strategy. We show that leptin upregulates KLF4 in hippocampal neurons and that leptin signaling is important for KLF4 expression in vivo. Furthermore, KLF4 is required for leptin-induced synaptogenesis, as shKLF4 blocks and upregulation of KLF4 phenocopies it. We go on to show that KLF4 requires its signal transducer and activator of transcription 3 (STAT3) binding site and thus potentially blocks STAT3 activity to induce synaptogenesis. Second, we show that leptin increases the expression of suppressor of cytokine signaling 3 (SOCS3), another well-known inhibitor of STAT3, in developing hippocampal neurons. SOCS3 is also required for leptin-induced synaptogenesis and sufficient to stimulate it alone. Finally, we show that constitutively active STAT3 blocks the effects of leptin on spine formation, while the targeted knockdown of STAT3 is sufficient to induce it. Overall, our data demonstrate that leptin increases the expression of both KLF4 and SOCS3, inhibiting the activity of STAT3 in the hippocampal neurons and resulting in the enhancement of glutamatergic synaptogenesis during neonatal development.
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16
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Karatas O, Balci Yuce H, Taskan MM, Gevrek F, Alkan C, Isiker Kara G, Temiz C. Cinnamic acid decreases periodontal inflammation and alveolar bone loss in experimental periodontitis. J Periodontal Res 2020; 55:676-685. [PMID: 32335913 DOI: 10.1111/jre.12754] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 02/13/2020] [Accepted: 04/02/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND OBJECTIVE Periodontitis is the chronic destructive disease of the periodontium, which causes severe inflammation in the tissues. Cinnamic acid as an unsaturated carboxylic acid might prevent inflammation and periodontal destruction. The present study aimed to evaluate the effects of cinnamic acid in two different forms as free cinnamic acid and cinnamic acid liposome on experimental periodontitis in Wistar rats. METHODS Thirty-two female rats were used in the present study. Four main groups were created as follows: C: control group; P: periodontitis group; C-P: free cinnamic acid-administered periodontitis group; and CL-P: cinnamic acid liposome applied group. Periodontitis was induced via ligating 4-0 silk sutures around lower first molar teeth on both right and left mandibles. The study duration was 30 days, and the ligatures were removed from half of the rats in the periodontitis-induced groups. The other half carried the ligatures throughout 30 days, and all rats were euthanized at 30th day. Mandibles were removed and evaluated via stereomicroscope and underwent histological procedures. Inflammatory cell counts, osteoblast, and osteoclast cell counts were determined in hematoxylin-eosin-stained slides, and peroxisome proliferator-activated receptor (PPAR)-γ, cyclooxygenase (COX)-2, receptor activator of nuclear factor κ-B (RANKL), and osteoprotegerin (OPG) expressions were evaluated by immunohistochemistry. RESULTS Control group had the lowest bone loss, and periodontitis group which kept ligatures had the highest bone loss compared to the other groups. Ligature removal provided significant improvement in bone measurements. Cinnamic acid groups also showed lower bone loss compared to the periodontitis group. The inflammatory cell and osteoclast counts were also higher in the periodontitis group, and both applications of cinnamic acid decreased these values. Osteoblast cells were the lowest in the periodontitis group, and cinnamic acid increased these counts. PPAR-γ and COX-2 levels were higher in the periodontitis group, and cinnamic acid decreased these levels but not to a significant level except for the cinnamic acid liposome ligature removal group, which had significantly lower values in the PPAR-γ and COX-2. OPG levels were lower in the periodontitis group compared to the other groups. Cinnamic acid significantly decreased RANKL and increased OPG levels. CONCLUSION Periodontitis caused increased inflammation and bone destruction accompanied by increased PPAR-γ, COX-2, and RANKL levels and osteoclast counts. Cinnamic acid decreased osteoclast counts and inflammation and increased osteoblast counts and OPG expression in the present animal model of periodontitis.
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Affiliation(s)
- Ozkan Karatas
- Department of Periodontology, Faculty of Dentistry, Tokat Gaziosmanpasa University, Tokat, Turkey
| | - Hatice Balci Yuce
- Department of Periodontology, Faculty of Dentistry, Tokat Gaziosmanpasa University, Tokat, Turkey
| | - Mehmet Murat Taskan
- Department of Periodontology, Faculty of Dentistry, Tokat Gaziosmanpasa University, Tokat, Turkey
| | - Fikret Gevrek
- Department of Histology and Embryology, Faculty of Medicine, Tokat Gaziosmanpasa University, Tokat, Turkey
| | - Cemil Alkan
- Department of Chemistry, Faculty of Science and Literature, Tokat Gaziosmanpasa University, Tokat, Turkey
| | - Gozde Isiker Kara
- Department of Periodontology, Faculty of Dentistry, Tokat Gaziosmanpasa University, Tokat, Turkey
| | - Cengiz Temiz
- Science and Technology Research and Application Center, Zonguldak Bulent Ecevit University, Zonguldak, Turkey
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17
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Ramazani E, YazdFazeli M, Emami SA, Mohtashami L, Javadi B, Asili J, Tayarani-Najaran Z. Protective effects of Cinnamomum verum, Cinnamomum cassia and cinnamaldehyde against 6-OHDA-induced apoptosis in PC12 cells. Mol Biol Rep 2020; 47:2437-2445. [DOI: 10.1007/s11033-020-05284-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 01/22/2020] [Accepted: 01/27/2020] [Indexed: 12/31/2022]
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18
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Carregosa D, Carecho R, Figueira I, N Santos C. Low-Molecular Weight Metabolites from Polyphenols as Effectors for Attenuating Neuroinflammation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:1790-1807. [PMID: 31241945 DOI: 10.1021/acs.jafc.9b02155] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Age-associated pathophysiological changes such as neurodegenerative diseases are multifactorial conditions with increasing incidence and no existing cure. The possibility of altering the progression and development of these multifactorial diseases through diet is an attractive approach with increasing supporting data. Epidemiological and clinical studies have highlighted the health potential of diets rich in fruits and vegetables. Such food sources are rich in (poly)phenols, natural compounds increasingly associated with health benefits, having the potential to prevent or retard the development of various diseases. However, absorption and the blood concentration of (poly)phenols is very low when compared with their corresponding (poly)phenolic metabolites. Therefore, these serum-bioavailable metabolites are much more promising candidates to overcome cellular barriers and reach target tissues, such as the brain. Bearing this in mind, it will be reviewed that the molecular mechanisms underlying (poly)phenolic metabolites effects, range from 0.1 to <50 μM and their role on neuroinflammation, a central hallmark in neurodegenerative diseases.
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Affiliation(s)
- Diogo Carregosa
- CEDOC, NOVA Medical School, Faculdade de Ciências Médicas , Universidade NOVA de Lisboa , Lisboa , Portugal
- iBET , Instituto de Biologia Experimental e Tecnológica , Avenida da República, Apartado 12 , 2781-901 Oeiras , Portugal
| | - Rafael Carecho
- CEDOC, NOVA Medical School, Faculdade de Ciências Médicas , Universidade NOVA de Lisboa , Lisboa , Portugal
- Instituto de Tecnologia Química e Biológica António Xavier , Universidade NOVA de Lisboa , Avenida da República , 2780-157 Oeiras , Portugal
| | - Inês Figueira
- iBET , Instituto de Biologia Experimental e Tecnológica , Avenida da República, Apartado 12 , 2781-901 Oeiras , Portugal
- Instituto de Tecnologia Química e Biológica António Xavier , Universidade NOVA de Lisboa , Avenida da República , 2780-157 Oeiras , Portugal
| | - Cláudia N Santos
- CEDOC, NOVA Medical School, Faculdade de Ciências Médicas , Universidade NOVA de Lisboa , Lisboa , Portugal
- iBET , Instituto de Biologia Experimental e Tecnológica , Avenida da República, Apartado 12 , 2781-901 Oeiras , Portugal
- Instituto de Tecnologia Química e Biológica António Xavier , Universidade NOVA de Lisboa , Avenida da República , 2780-157 Oeiras , Portugal
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Hošek J, Kos J, Strhársky T, Černá L, Štarha P, Vančo J, Trávníček Z, Devínsky F, Jampílek J. Investigation of Anti-Inflammatory Potential of N-Arylcinnamamide Derivatives. Molecules 2019; 24:E4531. [PMID: 31835703 PMCID: PMC6943612 DOI: 10.3390/molecules24244531] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 12/09/2019] [Accepted: 12/10/2019] [Indexed: 01/22/2023] Open
Abstract
A series of sixteen ring-substituted N-arylcinnamanilides, previously described as highly antimicrobially effective against a wide spectrum of bacteria and fungi, together with two new derivatives from this group were prepared and characterized. Moreover, the molecular structure of (2E)-N-(2-bromo-5-fluorophenyl)-3-phenylprop-2-enamide as a model compound was determined using single-crystal X-ray analysis. All the compounds were tested for their anti-inflammatory potential, and most tested compounds significantly attenuated the lipopolysaccharide-induced NF-κB activation and were more potent than the parental cinnamic acid. (2E)-N-[2-Chloro-5-(trifluoromethyl)phenyl]-3-phenylprop-2-enamide, (2E)-N-(2,6-dibromophenyl)- 3-phenylprop-2-enamide, and (2E)-N-(2,5-dichlorophenyl)-3-phenylprop-2-enamide demonstrated the highest inhibition effect on transcription factor NF-κB at the concentration of 2 µM and showed a similar effectiveness as the reference drug prednisone. Several compounds also decreased the level of TNF-α. Nevertheless, subsequent tests showed that the investigated compounds affect neither IκBα level nor MAPKs activity, which suggests that the N-arylcinnamanilides may have a different mode of action to prednisone. The modification of the C(2,5)' or C(2,6)' positions of the anilide core by rather lipophilic and bulky moieties seems to be preferable for the anti-inflammatory potential of these compounds.
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Affiliation(s)
- Jan Hošek
- Division of Biologically Active Complexes and Molecular Magnets, Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacký University, Šlechtitelů 27, 78371 Olomouc, Czech Republic; (J.H.); (J.K.); (T.S.); (L.Č.); (P.Š.); (J.V.); (Z.T.)
| | - Jiří Kos
- Division of Biologically Active Complexes and Molecular Magnets, Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacký University, Šlechtitelů 27, 78371 Olomouc, Czech Republic; (J.H.); (J.K.); (T.S.); (L.Č.); (P.Š.); (J.V.); (Z.T.)
| | - Tomáš Strhársky
- Division of Biologically Active Complexes and Molecular Magnets, Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacký University, Šlechtitelů 27, 78371 Olomouc, Czech Republic; (J.H.); (J.K.); (T.S.); (L.Č.); (P.Š.); (J.V.); (Z.T.)
| | - Lucie Černá
- Division of Biologically Active Complexes and Molecular Magnets, Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacký University, Šlechtitelů 27, 78371 Olomouc, Czech Republic; (J.H.); (J.K.); (T.S.); (L.Č.); (P.Š.); (J.V.); (Z.T.)
| | - Pavel Štarha
- Division of Biologically Active Complexes and Molecular Magnets, Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacký University, Šlechtitelů 27, 78371 Olomouc, Czech Republic; (J.H.); (J.K.); (T.S.); (L.Č.); (P.Š.); (J.V.); (Z.T.)
| | - Ján Vančo
- Division of Biologically Active Complexes and Molecular Magnets, Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacký University, Šlechtitelů 27, 78371 Olomouc, Czech Republic; (J.H.); (J.K.); (T.S.); (L.Č.); (P.Š.); (J.V.); (Z.T.)
| | - Zdeněk Trávníček
- Division of Biologically Active Complexes and Molecular Magnets, Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacký University, Šlechtitelů 27, 78371 Olomouc, Czech Republic; (J.H.); (J.K.); (T.S.); (L.Č.); (P.Š.); (J.V.); (Z.T.)
| | - Ferdinand Devínsky
- Faculty of Pharmacy, Comenius University, Odbojárov 10, 83232 Bratislava, Slovakia
| | - Josef Jampílek
- Division of Biologically Active Complexes and Molecular Magnets, Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacký University, Šlechtitelů 27, 78371 Olomouc, Czech Republic; (J.H.); (J.K.); (T.S.); (L.Č.); (P.Š.); (J.V.); (Z.T.)
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovičova 6, 84215 Bratislava, Slovakia
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20
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7-O-Esters of taxifolin with pronounced and overadditive effects in neuroprotection, anti-neuroinflammation, and amelioration of short-term memory impairment in vivo. Redox Biol 2019; 29:101378. [PMID: 31926632 PMCID: PMC6928325 DOI: 10.1016/j.redox.2019.101378] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 11/07/2019] [Indexed: 12/20/2022] Open
Abstract
Alzheimer's disease (AD) is a multifactorial disease and the most common form of dementia. There are no treatments to cure, prevent or slow down the progression of the disease. Natural products hold considerable interest for the development of preventive neuroprotectants to treat neurodegenerative disorders like AD, due to their low toxicity and general beneficial effects on human health with their anti-inflammatory and antioxidant features. In this work we describe regioselective synthesis of 7-O-ester hybrids of the flavonoid taxifolin with the phenolic acids cinnamic and ferulic acid, namely 7-O-cinnamoyltaxifolin and 7-O-feruloyltaxifolin. The compounds show pronounced overadditive neuroprotective effects against oxytosis, ferroptosis and ATP depletion in the murine hippocampal neuron HT22 cell model. Furthermore, 7-O-cinnamoyltaxifolin and 7-O-feruloyltaxifolin reduced LPS-induced neuroinflammation in BV-2 microglia cells as assessed by effects on the levels of NO, IL6 and TNFα. In all in vitro assays the 7-O-esters of taxifolin and ferulic or cinnamic acid showed strong overadditive activity, significantly exceeding the effects of the individual components and the equimolar mixtures thereof, which were almost inactive in all of the assays at the tested concentrations. In vivo studies confirmed this overadditive effect. Treatment of an AD mouse model based on the injection of oligomerized Aβ25-35 peptide into the brain to cause neurotoxicity and subsequently memory deficits with 7-O-cinnamoyltaxifolin or 7-O-feruloyltaxifolin resulted in improved performance in an assay for short-term memory as compared to vehicle and mice treated with the respective equimolar mixtures. These results highlight the benefits of natural product hybrids as a novel compound class with potential use for drug discovery in neurodegenerative diseases due to their pharmacological profile that is distinct from the individual natural components.
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Correlation between angiotensin 1-7-mediated Mas receptor expression with motor improvement, activated STAT3/SOCS3 cascade, and suppressed HMGB-1/RAGE/NF-κB signaling in 6-hydroxydopamine hemiparkinsonian rats. Biochem Pharmacol 2019; 171:113681. [PMID: 31669235 DOI: 10.1016/j.bcp.2019.113681] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 10/23/2019] [Indexed: 12/21/2022]
Abstract
In the current investigation, a Parkinson's disease (PD) model was established by a single direct right intrastriatal injection of the 6-hydroxydopamine (OHDA) in male Wistar rats followed by 7 daily unilateral injection of angiotensin (Ang) 1-7 in the striatum. To confirm the putative role of Mas receptor (MasR), the selective antagonist A779 was also injected intrastriatally prior to Ang 1-7 injections and a correlation analysis was performed between MasR expression and the assessed parameters. Ang 1-7 upregulated MasR expression to correlate strongly with the improved rotarod (r = 0.95, p = 0.003) and spontaneous activity task (r = 0.99, p < 0.0001). This correlation extends to involve other effects of Ang 1-7, such as the increased striatal dopamine content (r = 0.98, p = 0.0005), substantia nigra pars compacta tyrosine hydroxylase immune-reactivity (r = 0.97, p = 0.001), active pY705-STAT3 (r = 0.99, p < 0.0001) and SOCS3 (r = 0.99, p < 0.0001). Conversely, Ang 1-7 inhibited inflammatory markers to correlate negatively with NF-κBp65 (r = -0.99, p < 0.0003) and its downstream targets, high mobility group box-1 (HMGB-1; r = -0.97, p = 0.002), receptor for advanced glycation end products (RAGE; r = -0.98, p = 0.0004), and TNF-α (r = -0.99, p < 0.0003), besides poly-ADP-ribose polymerase-1 (r = -0.99, p = 0.0002). In confirmation, the pre-administration of the selective MasR antagonist, A779, partially attenuated Ang 1-7-induced alterations towards 6-OHDA neurodegeneration. Collectively, our findings support a novel role for the anti-inflammatory capacity of the MasR axis to prove potential therapeutic relevance in PD via the upregulation/activation of MasR-dependent STAT3/SOCS3 cascade to negatively control the HMGB-1/RAGE/NF-κB axis hindering PD associated neuro-inflammation along with DA depletion and motor deficits.
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Dhama K, Latheef SK, Dadar M, Samad HA, Munjal A, Khandia R, Karthik K, Tiwari R, Yatoo MI, Bhatt P, Chakraborty S, Singh KP, Iqbal HMN, Chaicumpa W, Joshi SK. Biomarkers in Stress Related Diseases/Disorders: Diagnostic, Prognostic, and Therapeutic Values. Front Mol Biosci 2019; 6:91. [PMID: 31750312 PMCID: PMC6843074 DOI: 10.3389/fmolb.2019.00091] [Citation(s) in RCA: 136] [Impact Index Per Article: 27.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 09/11/2019] [Indexed: 02/05/2023] Open
Abstract
Various internal and external factors negatively affect the homeostatic equilibrium of organisms at the molecular to the whole-body level, inducing the so-called state of stress. Stress affects an organism's welfare status and induces energy-consuming mechanisms to combat the subsequent ill effects; thus, the individual may be immunocompromised, making them vulnerable to pathogens. The information presented here has been extensively reviewed, compiled, and analyzed from authenticated published resources available on Medline, PubMed, PubMed Central, Science Direct, and other scientific databases. Stress levels can be monitored by the quantitative and qualitative measurement of biomarkers. Potential markers of stress include thermal stress markers, such as heat shock proteins (HSPs), innate immune markers, such as Acute Phase Proteins (APPs), oxidative stress markers, and chemical secretions in the saliva and urine. In addition, stress biomarkers also play critical roles in the prognosis of stress-related diseases and disorders, and therapy guidance. Moreover, different components have been identified as potent mediators of cardiovascular, central nervous system, hepatic, and nephrological disorders, which can also be employed to evaluate these conditions precisely, but with stringent validation and specificity. Considerable scientific advances have been made in the detection, quantitation, and application of these biomarkers. The present review describes the current progress of identifying biomarkers, their prognostic, and therapeutic values.
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Affiliation(s)
- Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Shyma K. Latheef
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Maryam Dadar
- Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization, Karaj, Iran
| | - Hari Abdul Samad
- Division of Physiology and Climatology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Ashok Munjal
- Department of Genetics, Barkatullah University, Bhopal, India
| | - Rekha Khandia
- Department of Genetics, Barkatullah University, Bhopal, India
| | - Kumaragurubaran Karthik
- Central University Laboratory, Tamil Nadu Veterinary and Animal Sciences University, Chennai, India
| | - Ruchi Tiwari
- Department of Veterinary Microbiology and Immunology, College of Veterinary Sciences, UP Pandit Deen Dayal Upadhayay Pashu Chikitsa Vigyan Vishwavidyalay Evum Go-Anusandhan Sansthan, Mathura, India
| | - Mohd. Iqbal Yatoo
- Division of Veterinary Clinical Complex, Sher-E-Kashmir University of Agricultural Sciences and Technology of Kashmir, Srinagar, India
| | - Prakash Bhatt
- Teaching Veterinary Clinical Complex, College of Veterinary and Animal Sciences, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, India
| | - Sandip Chakraborty
- Department of Veterinary Microbiology, College of Veterinary Sciences and Animal Husbandry, Agartala, India
| | - Karam Pal Singh
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Hafiz M. N. Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey, Mexico
| | - Wanpen Chaicumpa
- Department of Parasitology, Faculty of Medicine, Center of Research Excellence on Therapeutic Proteins and Antibody Engineering, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Sunil Kumar Joshi
- Division of Hematology, Oncology and Bone Marrow Transplantation, Department of Microbiology & Immunology, Department of Pediatrics, University of Miami School of Medicine, Miami, FL, United States
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Dhama K, Latheef SK, Dadar M, Samad HA, Munjal A, Khandia R, Karthik K, Tiwari R, Yatoo MI, Bhatt P, Chakraborty S, Singh KP, Iqbal HMN, Chaicumpa W, Joshi SK. Biomarkers in Stress Related Diseases/Disorders: Diagnostic, Prognostic, and Therapeutic Values. Front Mol Biosci 2019. [PMID: 31750312 DOI: 10.3389/fmolb.2019.0009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Various internal and external factors negatively affect the homeostatic equilibrium of organisms at the molecular to the whole-body level, inducing the so-called state of stress. Stress affects an organism's welfare status and induces energy-consuming mechanisms to combat the subsequent ill effects; thus, the individual may be immunocompromised, making them vulnerable to pathogens. The information presented here has been extensively reviewed, compiled, and analyzed from authenticated published resources available on Medline, PubMed, PubMed Central, Science Direct, and other scientific databases. Stress levels can be monitored by the quantitative and qualitative measurement of biomarkers. Potential markers of stress include thermal stress markers, such as heat shock proteins (HSPs), innate immune markers, such as Acute Phase Proteins (APPs), oxidative stress markers, and chemical secretions in the saliva and urine. In addition, stress biomarkers also play critical roles in the prognosis of stress-related diseases and disorders, and therapy guidance. Moreover, different components have been identified as potent mediators of cardiovascular, central nervous system, hepatic, and nephrological disorders, which can also be employed to evaluate these conditions precisely, but with stringent validation and specificity. Considerable scientific advances have been made in the detection, quantitation, and application of these biomarkers. The present review describes the current progress of identifying biomarkers, their prognostic, and therapeutic values.
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Affiliation(s)
- Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Shyma K Latheef
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Maryam Dadar
- Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization, Karaj, Iran
| | - Hari Abdul Samad
- Division of Physiology and Climatology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Ashok Munjal
- Department of Genetics, Barkatullah University, Bhopal, India
| | - Rekha Khandia
- Department of Genetics, Barkatullah University, Bhopal, India
| | - Kumaragurubaran Karthik
- Central University Laboratory, Tamil Nadu Veterinary and Animal Sciences University, Chennai, India
| | - Ruchi Tiwari
- Department of Veterinary Microbiology and Immunology, College of Veterinary Sciences, UP Pandit Deen Dayal Upadhayay Pashu Chikitsa Vigyan Vishwavidyalay Evum Go-Anusandhan Sansthan, Mathura, India
| | - Mohd Iqbal Yatoo
- Division of Veterinary Clinical Complex, Sher-E-Kashmir University of Agricultural Sciences and Technology of Kashmir, Srinagar, India
| | - Prakash Bhatt
- Teaching Veterinary Clinical Complex, College of Veterinary and Animal Sciences, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, India
| | - Sandip Chakraborty
- Department of Veterinary Microbiology, College of Veterinary Sciences and Animal Husbandry, Agartala, India
| | - Karam Pal Singh
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey, Mexico
| | - Wanpen Chaicumpa
- Department of Parasitology, Faculty of Medicine, Center of Research Excellence on Therapeutic Proteins and Antibody Engineering, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Sunil Kumar Joshi
- Division of Hematology, Oncology and Bone Marrow Transplantation, Department of Microbiology & Immunology, Department of Pediatrics, University of Miami School of Medicine, Miami, FL, United States
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Lidocaine Potentiates SOCS3 to Attenuate Inflammation in Microglia and Suppress Neuropathic Pain. Cell Mol Neurobiol 2019; 39:1081-1092. [PMID: 31209627 DOI: 10.1007/s10571-019-00703-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 06/08/2019] [Indexed: 01/10/2023]
Abstract
Lidocaine is one of the typical local anesthetics that are frequently used in the peripheral nerve blocks and pain management. Emerging evidence have shown that lidocaine may exert anti-inflammatory effect involving neuropathic pain. However, the effect and underlying mechanism of lidocaine in suppressing neuroinflammation in neuropathic pain are incompletely revealed. In this study, effects of lidocaine on the suppressors of cytokine-signaling protein 3 (SOCS3) in microglia are investigated in chronic constriction injury (CCI) rat model and lipopolysaccharide (LPS)-stimulated BV-2 cells. It was shown that intrathecal injection of lidocaine substantially alleviated CCI-induced neuropathic pain, as reflected by the decreased thermal latency and mechanical threshold. Lidocaine reduced the CCI-evoked spinal injury and cell apoptosis. CCI induced an significant increase of IBA1+ microglia accompanied by the increase of inflammatory cytokines IL-6 and IL-1β, which were suppressed after lidocaine administration. SOCS3 expression in IBA1+ microglia was notably upregulated in response to lidocaine injection, which presented in a similar pattern in LPS-activated BV-2 cells. Furthermore, lidocaine upregulated SOCS3 expression dependent of pCREB, and CREB silencing greatly discounted this effect. The intrathecal injection of lentiviral vectors LV-SOCS3 efficiently alleviated CCI-evoked neuropathic pain and reduced spinal IBA1+ microglia. SOCS3 overexpression contributed to the inhibition of neuroinflammation by decreasing the expression and activation of p38 MAPK and NF-κB stimulated by LPS. Collectively, lidocaine promoted the SOCS3 expression in microglia, in turn leading to suppression of IBA1+ microglia accumulation and p38 MAPK and NF-κB, which may expand our understanding on lidocaine in suppressing neuroinflammation and neuropathic pain.
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Antineuroinflammatory and Neuroprotective Effects of Gyejibokryeong-Hwan in Lipopolysaccharide-Stimulated BV2 Microglia. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 2019:7585896. [PMID: 31057653 PMCID: PMC6463633 DOI: 10.1155/2019/7585896] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 01/23/2019] [Accepted: 02/10/2019] [Indexed: 11/29/2022]
Abstract
Microglia, the central nervous system's innate immune cells, mediate neuroinflammation and are implicated in a variety of neuropathologies. The present study investigated the antineuroinflammatory and neuroprotective effects of Gyejibokryeong-hwan (GBH), a traditional Korean medicine, in lipopolysaccharide- (LPS-) stimulated murine BV2 microglia. BV2 cells were pretreated with GBH, fluoxetine (FXT), or amitriptyline (AMT) for 1 h and then stimulated with LPS (100 ng/mL). The expression levels of nitric oxide (NO), cytokines, and chemokines were determined by the Griess method, ELISA, or real-time PCR. Western blotting was used to measure various transcription factors and mitogen activated protein kinase (MAPK) and phosphatidylinositol 3-kinase (PI3K)/Akt activity. GBH significantly reduced the levels of NO, inducible nitric oxide synthase (iNOS), cyclooxygenase- (COX-) 2, tumor necrosis factor- (TNF-) α, interleukin- (IL-) 1β, IL-6, macrophage inhibitory protein- (MIP-) 1α, macrophage chemoattractant protein- (MCP-) 1, and IFN-γ inducible protein- (IP-) 10, regulated upon activation normal T cell expressed sequence (RANTES) in a dose-dependent manner. Expression of nuclear factor- (NF-) κB p65 was significantly decreased and phosphorylation of extracellular signal-regulated kinase (Erk), c-Jun NH2-terminal kinase (JNK), and PI3K/Akt by GBH, but not p38 MAPK, was decreased. Furthermore, production of anti-inflammatory cytokine IL-10 was increased and Heme oxygenase-1 (HO-1) was upregulated via the nuclear factor-E2-related factor 2 (NRF2)/cAMP response element-binding protein (CREB) pathway, collectively indicating the neuroprotective effects of GBH. We concluded that GBH may suppress neuroinflammatory responses by inhibiting NF-κB activation and upregulating the neuroprotective factor, HO-1. These results suggest that GBH has potential as anti-inflammatory and neuroprotective agents against microglia-mediated neuroinflammatory disorders.
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