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Mirzababaei M, Babaei F, Ghafghazi S, Rahimi Z, Asadi S, Dargahi L, Nassiri-Asl M, Haghnazari L. Saccharomyces Boulardii alleviates neuroinflammation and oxidative stress in PTZ-kindled seizure rat model. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03361-8. [PMID: 39141021 DOI: 10.1007/s00210-024-03361-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2024] [Accepted: 08/05/2024] [Indexed: 08/15/2024]
Abstract
Previous research have reported that modulating the gut microbiome composition by fecal microbiota transplantation and probiotic administration can alleviate seizure occurrence and severity. Saccharomyces boulardii (SB) is a yeast probiotic that has demonstrated ameliorating effects on anxiety, memory and cognitive deficit, and brain amyloidogenesis. In this research, our goal was to examine the anti-seizure effects of SB on the pentylenetetrazole (PTZ)-kindled male Wistar rats. The animals were randomly categorized into four test groups. The rats were orally administered with saline (control and PTZ groups) or S. boulardii (SB + PTZ and SB groups) for 57 days. From the 29th day of the experiment, the animals received intraperitoneally saline (control and SB groups) or PTZ (PTZ and SB + PTZ groups) on alternate days for 30 days. The administration dose of SB and PTZ was 1010 CFU/ml/day and 35 mg/kg, respectively. We assessed animal seizure behavior, neuroinflammation, oxidative stress, and the levels of matrix metalloproteinase-9 (MMP-9) and brain-derived neurotrophic factor (BDNF) in the hippocampus tissue. S. boulardii hindered the PTZ-induced kindling development. SB treatment elevated glutathione (GSH) and total antioxidant capacity (TAC) and reduced malondialdehyde (MDA) levels. SB also lessened the hippocampal levels of BDNF and MMP-9. Following SB supplementation, proinflammatory cytokines interleukin-1 beta (IL-1β) and IL-6 were lowered, and anti-inflammatory cytokine IL-10 was enhanced. Overall, our data indicated, for the first time, the positive impact of SB on the PTZ-kindled seizure rat model. The anti-seizure activity of SB was mediated by modulating oxidative stress, neuroinflammation, and MMP-9 and BDNF levels.
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Affiliation(s)
- Mohammadreza Mirzababaei
- Department of Clinical Biochemistry, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Fatemeh Babaei
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, P.O. Box 19839-63113, Tehran, I.R., Iran
| | - Shiva Ghafghazi
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, P.O. Box 19839-63113, Tehran, I.R., Iran
| | - Zohreh Rahimi
- Department of Clinical Biochemistry, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Soheila Asadi
- Department of Clinical Biochemistry, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Leila Dargahi
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Marjan Nassiri-Asl
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, P.O. Box 19839-63113, Tehran, I.R., Iran.
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Lida Haghnazari
- Department of Clinical Biochemistry, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Sethiya NK, Ghiloria N, Srivastav A, Bisht D, Chaudhary SK, Walia V, Alam MS. Therapeutic Potential of Myricetin in the Treatment of Neurological, Neuropsychiatric, and Neurodegenerative Disorders. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:865-882. [PMID: 37461364 DOI: 10.2174/1871527322666230718105358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 12/29/2022] [Accepted: 12/29/2022] [Indexed: 06/12/2024]
Abstract
Myricetin (MC), 3,5,7,3',4',5'-hexahydroxyflavone, chemically belongs to a flavonoid category known to confer antioxidant, antimicrobial, antidiabetic, and neuroprotective effects. MC is known to suppress the generation of Reactive Oxygen Species (ROS), lipid peroxidation (MDA), and inflammatory markers. It has been reported to improve insulin function in the human brain and periphery. Besides this, it modulates several neurochemicals including glutamate, GABA, serotonin, etc. MC has been shown to reduce the expression of the enzyme Mono Amine Oxidase (MAO), which is responsible for the metabolism of monoamines. MC treatment reduces levels of plasma corticosterone and restores hippocampal BDNF (full form) protein in stressed animals. Further, MC has shown its protective effect against amyloid-beta, MPTP, rotenone, 6-OHDA, etc. suggesting its potential role against neurodegenerative disorders. The aim of the present review is to highlight the therapeutic potential of MC in the treatment of several neurological, neuropsychiatric, and neurodegenerative disorders.
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Affiliation(s)
| | - Neha Ghiloria
- Dr. Baba Saheb Ambedkar Hospital, Rohini, New Delhi 110085, India
| | | | - Dheeraj Bisht
- Department of Pharmaceutical Sciences, Sir J.C. Bose Technical Campus, Bhimtal, Kumaun University, Nainital, Uttarakhand 263002, India
| | | | - Vaibhav Walia
- Department of Pharmacology, SGT College of Pharmacy, SGT University, Gurugram, Haryana 122505, India
| | - Md Sabir Alam
- Department of Pharmaceutics, SGT College of Pharmacy, SGT University, Gurugram, Haryana 122505, India
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Zulkifli NA, Hassan Z, Mustafa MZ, Azman WNW, Hadie SNH, Ghani N, Mat Zin AA. The potential neuroprotective effects of stingless bee honey. Front Aging Neurosci 2023; 14:1048028. [PMID: 36846103 PMCID: PMC9945235 DOI: 10.3389/fnagi.2022.1048028] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 12/29/2022] [Indexed: 02/11/2023] Open
Abstract
Tropical Meliponini bees produce stingless bee honey (SBH). Studies have shown beneficial properties, including antibacterial, bacteriostatic, anti-inflammatory, neurotherapeutic, neuroprotective, wound, and sunburn healing capabilities. High phenolic acid and flavonoid concentrations offer SBH its benefits. SBH can include flavonoids, phenolic acids, ascorbic acid, tocopherol, organic acids, amino acids, and protein, depending on its botanical and geographic origins. Ursolic acid, p-coumaric acid, and gallic acid may diminish apoptotic signals in neuronal cells, such as nuclear morphological alterations and DNA fragmentation. Antioxidant activity minimizes reactive oxygen species (ROS) formation and lowers oxidative stress, inhibiting inflammation by decreasing enzymes generated during inflammation. Flavonoids in honey reduce neuroinflammation by decreasing proinflammatory cytokine and free radical production. Phytochemical components in honey, such as luteolin and phenylalanine, may aid neurological problems. A dietary amino acid, phenylalanine, may improve memory by functioning on brain-derived neurotrophic factor (BDNF) pathways. Neurotrophin BDNF binds to its major receptor, TrkB, and stimulates downstream signaling cascades, which are crucial for neurogenesis and synaptic plasticity. Through BDNF, SBH can stimulate synaptic plasticity and synaptogenesis, promoting learning and memory. Moreover, BDNF contributes to the adult brain's lasting structural and functional changes during limbic epileptogenesis by acting through the cognate receptor tyrosine receptor kinase B (TrkB). Given the higher antioxidants activity of SBH than the Apis sp. honey, it may be more therapeutically helpful. There is minimal research on SBH's neuroprotective effects, and the related pathways contribute to it is unclear. More research is needed to elucidate the underlying molecular process of SBH on BDNF/TrkB pathways in producing neuroprotective effects.
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Affiliation(s)
- Nurdarina Ausi Zulkifli
- Department of Pathology, School of Medical Sciences Universiti Sains Malaysia and Hospital Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Zurina Hassan
- Centre for Drug Research, Universiti Sains Malaysia, Penang, Malaysia
| | - Mohd Zulkifli Mustafa
- Department of Neuroscience, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Wan Norlina Wan Azman
- Department of Chemical Pathology, School of Medical Sciences, Universiti Sains Malaysia and Hospital Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Siti Nurma Hanim Hadie
- Department of Anatomy, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Nurhafizah Ghani
- Basic and Medical Sciences Unit, School of Dental Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Anani Aila Mat Zin
- Department of Pathology, School of Medical Sciences Universiti Sains Malaysia and Hospital Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia,*Correspondence: Anani Aila Mat Zin, ✉
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Kanwal M, Sarwar S, Nadeem H, Ata A, Shah FA, Malik S, Maqsood S, Miana GA. New pyrazolone derivatives, synthesis, characterization, and neuroprotective effect against PTZ- induced neuroinflammation in mice. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2022; 25:1424-1432. [PMID: 36544531 PMCID: PMC9742570 DOI: 10.22038/ijbms.2022.62869.13912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 09/26/2022] [Indexed: 12/24/2022]
Abstract
Objectives The study was aimed at synthesis of the new derivatives of the pyrazolone nucleus, and their spectroscopic and pharmacological analysis and evaluation. Materials and Methods Three series of compounds, with 2-picolinic acid (I a-d), 3-picolinic acid (II a-d), and 4-picolinic acid (III a-d) were synthesized and characterized by FT-IR, 1HNMR, 13C NMR, elemental, and melting points. The new compounds were then evaluated for their anti-oxidant, anti-inflammatory, and anti-epileptic potential. The hind paw edema model was used to screen anti-inflammatory potential, while the anticonvulsant effect was evaluated by employing the acute model of anti-epileptic activity. The in vivo anti-oxidant potential was determined through glutathione (GSH), glutathione-S-transferase (GST), catalase, and lipid peroxidase enzyme (LPO) assays. The expression of key biomarkers involved in inflammation and neuroprotection, including tumor necrotic factors alpha (TNF-α) and phosphorylated nuclear factor kappa B (NF-κB), was detected through enzyme-linked immunosorbent assay (ELISA) and Western blot analysis. Results The tested compounds showed anti-oxidant potential. The selected compounds exhibited good anti-inflammatory potential. The PTZ-induced elevation of these inflammatory mediators and oxidative stress were ameliorated significantly by the selected compound Ic. Results of molecular analysis (ELISA and Western blot analysis) for potent compound Ic showed a prominent inhibitory effect against neuroinflammatory mediators, including TNF-α and NF-κB. Conclusion It is concluded that the derivative Ic ameliorated PTZ-induced seizures, oxidative stress, and inflammatory cascades by regulating the NF-κB/ TNF-α/ROS pathway.
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Affiliation(s)
- Madiha Kanwal
- Department of Pharmaceutical Chemistry, Riphah International University, Islamabad, Pakistan, 44000 ,Corresponding author: Madiha Kanwal. Department of Pharmaceutical Chemistry, Riphah International University, Riphah Institute of Pharmaceutical Sciences, G-7/4, Campus, Islamabad. Pakistan.
| | - Sadia Sarwar
- Department of Pharmacognosy, Riphah International University, Islamabad, Pakistan, 44000
| | - Humaira Nadeem
- Department of Pharmaceutical Chemistry, Riphah International University, Islamabad, Pakistan, 44000
| | - Athar Ata
- Department of Chemistry, University of Manitoba, Canada
| | - Fawad A. Shah
- Department of Pharmacology, Riphah International University, Islamabad, Pakistan, 44000
| | - Sumra Malik
- Department of Pharmaceutical Chemistry, Riphah International University, Islamabad, Pakistan, 44000
| | - Saima Maqsood
- Department of Pharmaceutical Chemistry, Riphah International University, Islamabad, Pakistan, 44000
| | - Ghulam A. Miana
- Department of Pharmaceutical Chemistry, Riphah International University, Islamabad, Pakistan, 44000
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Sur B, Lee B. Myricetin prevents sleep deprivation-induced cognitive impairment and neuroinflammation in rat brain via regulation of brain-derived neurotropic factor. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2022; 26:415-425. [PMID: 36302617 PMCID: PMC9614391 DOI: 10.4196/kjpp.2022.26.6.415] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 09/15/2022] [Accepted: 09/15/2022] [Indexed: 11/07/2022]
Abstract
Memory formation in the hippocampus is formed and maintained by circadian clock genes during sleep. Sleep deprivation (SD) can lead to memory impairment and neuroinflammation, and there remains no effective pharmacological treatment for these effects. Myricetin (MYR) is a common natural flavonoid that has various pharmacological activities. In this study, we investigated the effects of MYR on memory impairment, neuroinflammation, and neurotrophic factors in sleep-deprived rats. We analyzed SD-induced cognitive and spatial memory, as well as pro-inflammatory cytokine levels during SD. SD model rats were intraperitoneally injected with 10 and 20 mg/kg/day MYR for 14 days. MYR administration significantly ameliorated SD-induced cognitive and spatial memory deficits; it also attenuated the SD-induced inflammatory response associated with nuclear factor kappa B activation in the hippocampus. In addition, MYR enhanced the mRNA expression of brain-derived neurotropic factor (BDNF) in the hippocampus. Our results showed that MYR improved memory impairment by means of anti-inflammatory activity and appropriate regulation of BDNF expression. Our findings suggest that MYR is a potential functional ingredient that protects cognitive function from SD.
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Affiliation(s)
- Bongjun Sur
- Acupuncture and Meridian Science Research Center, Kyung Hee University, Seoul 02447, Korea
| | - Bombi Lee
- Acupuncture and Meridian Science Research Center, Kyung Hee University, Seoul 02447, Korea,Center for Converging Humanities, Kyung Hee University, Seoul 02447, Korea,Correspondence Bombi Lee, E-mail:
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Myricetin Inhibited Fear and Anxiety-Like Behaviors by HPA Axis Regulation and Activation of the BDNF-ERK Signaling Pathway in Posttraumatic Stress Disorder Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:8320256. [PMID: 35722162 PMCID: PMC9200513 DOI: 10.1155/2022/8320256] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 04/16/2022] [Accepted: 04/23/2022] [Indexed: 11/17/2022]
Abstract
Posttraumatic stress disorder (PTSD) is a stress-related psychiatric or mental disorder characterized by experiencing a traumatic stress. The cause of such PTSD is dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis and imbalance of monoamines. Myricetin (MYR) is a common natural flavonoid that has various pharmacological activities. We investigated the effects of MYR on fear, depression, and anxiety following monoamine imbalance and hyperactivation of HPA axis in rats exposed to a single prolonged stress (SPS). Male rats were dosed with MYR (10 and 20 mg/kg, i.p.) once daily for 14 days after exposure to SPS. Administration of MYR reduced freezing responses to extinction recall, depression, and anxiety-like behaviors and decreased increase of plasma corticosterone and adrenocorticotropic hormone levels. Also, administration of MYR restored decreased serotonin and increased norepinephrine in the fear circuit regions, medial prefrontal cortex, and hippocampus. It also increased the reduction in the brain-derived neurotrophic factor (BDNF) and tropomyosin-related kinase B mRNA expression and the ratio of p-ERK/extracellular signal-regulated kinase (ERK) in the hippocampus. Thus, MYR exerted antidepressant and anxiolytic effects by regulation of HPA axis and activation of the BDNF-ERK signaling pathway. Finally, we suggest that MYR could be a useful therapeutic agent to prevent traumatic stress such as PTSD.
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Iftikhar A, Nausheen R, Muzaffar H, Naeem MA, Farooq M, Khurshid M, Almatroudi A, Alrumaihi F, Allemailem KS, Anwar H. Potential Therapeutic Benefits of Honey in Neurological Disorders: The Role of Polyphenols. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27103297. [PMID: 35630774 PMCID: PMC9143627 DOI: 10.3390/molecules27103297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 05/16/2022] [Accepted: 05/18/2022] [Indexed: 11/26/2022]
Abstract
Honey is the principal premier product of beekeeping familiar to Homo for centuries. In every geological era and culture, evidence can be traced to the potential usefulness of honey in several ailments. With the advent of recent scientific approaches, honey has been proclaimed as a potent complementary and alternative medicine for the management and treatment of several maladies including various neurological disorders such as Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, and multiple sclerosis, etc. In the literature archive, oxidative stress and the deprivation of antioxidants are believed to be the paramount cause of many of these neuropathies. Since different types of honey are abundant with certain antioxidants, primarily in the form of diverse polyphenols, honey is undoubtedly a strong pharmaceutic candidate against multiple neurological diseases. In this review, we have indexed and comprehended the involved mechanisms of various constituent polyphenols including different phenolic acids, flavonoids, and other phytochemicals that manifest multiple antioxidant effects in various neurological disorders. All these mechanistic interpretations of the nutritious components of honey explain and justify the potential recommendation of sweet nectar in ameliorating the burden of neurological disorders that have significantly increased across the world in the last few decades.
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Affiliation(s)
- Arslan Iftikhar
- Department of Physiology, Government College University Faisalabad, Faisalabad 38000, Pakistan; (A.I.); (R.N.); (H.M.)
| | - Rimsha Nausheen
- Department of Physiology, Government College University Faisalabad, Faisalabad 38000, Pakistan; (A.I.); (R.N.); (H.M.)
| | - Humaira Muzaffar
- Department of Physiology, Government College University Faisalabad, Faisalabad 38000, Pakistan; (A.I.); (R.N.); (H.M.)
| | - Muhammad Ahsan Naeem
- Department of Basic Sciences, KBCMA College of Veterinary and Animal Sciences, Narowal 51600, Pakistan;
| | - Muhammad Farooq
- Department of Clinical Sciences, College of Veterinary and Animal Sciences, Jhang 35200, Pakistan;
| | - Mohsin Khurshid
- Department of Microbiology, Government College University Faisalabad, Faisalabad 38000, Pakistan;
| | - Ahmad Almatroudi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 51452, Saudi Arabia; (A.A.); (F.A.)
| | - Faris Alrumaihi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 51452, Saudi Arabia; (A.A.); (F.A.)
| | - Khaled S. Allemailem
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 51452, Saudi Arabia; (A.A.); (F.A.)
- Correspondence: (H.A.); (K.S.A.)
| | - Haseeb Anwar
- Department of Physiology, Government College University Faisalabad, Faisalabad 38000, Pakistan; (A.I.); (R.N.); (H.M.)
- Correspondence: (H.A.); (K.S.A.)
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Dl-3-n-Butylphthalide Improves Neuroinflammation in Mice with Repeated Cerebral Ischemia-Reperfusion Injury through the Nrf2-Mediated Antioxidant Response and TLR4/MyD88/NF- κB Signaling Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:8652741. [PMID: 35615581 PMCID: PMC9126665 DOI: 10.1155/2022/8652741] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 04/20/2022] [Accepted: 04/26/2022] [Indexed: 12/15/2022]
Abstract
Increasing evidence shows that oxidative stress and neuroinflammation play a crucial role in the pathology of vascular dementia (VD). Previously, we have found that Dl-3-n-butylphthalide (NBP) has antioxidant and anti-inflammatory activities in VD, whereas little is known about its mechanism. Therefore, the objective of our study was to explore the contribution of nuclear factor erythroid-2 related factor 2 (Nrf2) to NBP and its effects on anti-inflammatory activity in a mouse model of VD. Our studies revealed that NBP could effectively mitigate cognitive deficits, neuron cell loss, and apoptosis in mice subjected to repeated cerebral ischemia-reperfusion (RCIR). Additionally, NBP promoted both the expression of brain-derived neurotrophic factor (BDNF) and tyrosine receptor kinase B (TrkB) in hippocampus tissue. NBP exhibited antioxidant activity by enhancing Nrf2 nuclear accumulation, increasing HO-1 and NQO1 expression, enhancing SOD activity, and inhibiting RCIR-induced MDA and 8-iso PGF2α generation in the hippocampus. NBP also significantly inhibited TLR4/MyD88/NF-κB signaling and suppressed microglial proliferation and the production of proinflammatory mediators in RCIR mice. Importantly, the antioxidant, antineuroinflammatory, and neuroprotective effects of NBP above were abolished by Nrf2 knockout. Collectively, these results indicated the effects of NBP on neuroinflammation were strongly associated with the Nrf2 pathway. Modulation of TLR4/MyD88/NF-κB pathway by Nrf2 is involved in the neuroprotective effect of NBP against VD induced by RCIR injury. With antioxidant and anti-neuroinflammatory properties, NBP could be a promising drug candidate for the prevention and/or treatment of VD and other neuroinflammatory disorders.
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Ríos JL, Schinella GR, Moragrega I. Phenolics as GABA A Receptor Ligands: An Updated Review. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27061770. [PMID: 35335130 PMCID: PMC8953830 DOI: 10.3390/molecules27061770] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/02/2022] [Accepted: 03/03/2022] [Indexed: 11/16/2022]
Abstract
Natural products can act as potential GABA modulators, avoiding the undesirable effects of traditional pharmacology used for the inhibition of the central nervous system such as benzodiazepines (BZD). Phenolics, especially flavonoids and phlorotannins, have been considered as modulators of the BZD-site of GABAA receptors (GABAARs), with sedative, anxiolytic or anticonvulsant effects. However, the wide chemical structural variability of flavonoids shows their potential action at more than one additional binding site on GABAARs, which may act either negatively, positively, by neutralizing GABAARs, or directly as allosteric agonists. Therefore, the aim of the present review is to compile and discuss an update of the role of phenolics, namely as pharmacological targets involving dysfunctions of the GABA system, analyzing both their different compounds and their mechanism as GABAergic modulators. We focus this review on articles written in English since the year 2010 until the present. Of course, although more research would be necessary to fully establish the type specificity of phenolics and their pharmacological activity, the evidence supports their potential as GABAAR modulators, thereby favoring their inclusion in the development of new therapeutic targets based on natural products. Specifically, the data compiled in this review allows for the directing of future research towards ortho-dihydroxy diterpene galdosol, the flavonoids isoliquiritigenin (chalcone), rhusflavone and agathisflavone (biflavonoids), as well as the phlorotannins, dieckol and triphlorethol A. Clinically, flavonoids are the most interesting phenolics due to their potential as anticonvulsant and anxiolytic drugs, and phlorotannins are also of interest as sedative agents.
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Affiliation(s)
- José-Luis Ríos
- Departament de Farmacologia, Facultat de Farmàcia, Universitat de València, Av. Vicent Andrés Estellés s/n, Burjassot, 46100 Valencia, Spain
- Correspondence:
| | - Guillermo R. Schinella
- Facultad de Ciencias Médicas, Universidad Nacional de La Plata, La Plata BA1900, Argentina;
- Instituto de Ciencias de la Salud, UNAJ-CICPBA, Florencio Varela BA1888, Argentina
| | - Inés Moragrega
- Departament de Psicobiologia, Facultat de Psicologia, Universitat de València, Av. Blasco Ibáñez 21, 46010 Valencia, Spain;
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Al Omairi NE, Albrakati A, Alsharif KF, Almalki AS, Alsanie W, Abd Elmageed ZY, Zaafar D, Lokman MS, Bauomy AA, Belal SK, Abdel-Daim MM, Abdel Moneim AE, Alyami H, Kassab RB. Selenium Nanoparticles with Prodigiosin Rescue Hippocampal Damage Associated with Epileptic Seizures Induced by Pentylenetetrazole in Rats. BIOLOGY 2022; 11:biology11030354. [PMID: 35336729 PMCID: PMC8945383 DOI: 10.3390/biology11030354] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 01/31/2022] [Accepted: 02/13/2022] [Indexed: 12/11/2022]
Abstract
Simple Summary Epilepsy is a chronic neurological disease characterized by neuronal hyper electrical activity and the development of unprovoked seizures. Although several antiepileptic drugs are currently available, their application is associated with undesirable adverse effects. In an attempt to find a novel antiepileptic medication with minimum side effects, we have investigated the potential neuroprotective activity of prodigiosin, a red pigment produced by bacterial species that have important pharmaceutical and biological activities biosynthesized with selenium formulation (SeNPs-PDG) against a murine epileptic model mediated by pentylenetetrazole. The main recorded findings revealed that SeNPs-PDG delayed the onset of epileptic seizures and decreased their duration significantly. Additionally, SeNPs-PDG prevented hippocampal cell loss, oxidative stress, neuroinflammation, restored the balance between excitatory and inhibitory neurotransmitters, and notably normalized the monoaminergic and cholinergic transmission. These promising findings indicate that SeNPs-PDG might serve as a naturally derived anticonvulsant agent due to their active antioxidant, anti-inflammatory, anti-apoptotic, and neuromodulatory properties. Abstract Background: Prodigiosin (PDG) is a red pigment synthesized by bacterial species with important pharmaceutical and biological activities. Here, we investigated the neuroprotective and anticonvulsant activities of green biosynthesized selenium formulations with PDG (SeNPs-PDG) versus pentylenetetrazole (PTZ)-induced epileptic seizures. Methods: Rats were assigned into six experimental groups: control; PTZ (60 mg/kg, epileptic model); sodium valproate (200 mg/kg) + PTZ; PDG (300 mg/kg) + PTZ; sodium selenite (0.5 mg/kg) + PTZ; and SeNPs-PDG (0.5 mg/kg) + PTZ. The treatment duration is extended to 28 days. Results: SeNPs-PDG pre-treatment delayed seizures onset and reduced duration upon PTZ injection. Additionally, SeNPs-PDG enhanced the antioxidant capacity of hippocampal tissue by activating the expression of nuclear factor erythroid 2–related factor 2 and innate antioxidants (glutathione and glutathione derivatives, in addition to superoxide dismutase and catalase) and decreasing the levels of pro-oxidants (lipoperoxidation products and nitric oxide). SeNPs-PDG administration inhibited inflammatory reactions associated with epileptic seizure development by suppressing the production and activity of glial fibrillary acidic protein and pro-inflammatory mediators, including interleukin-1 beta, tumor necrosis factor-alpha, cyclooxygenase-2, inducible nitric oxide synthase, and nuclear factor kappa B. Moreover, SeNPs-PDG protected against hippocampal cell loss following PTZ injection by decreasing the levels of cytosolic cytochrome c, Bax, and caspase-3 and enhancing the expression of anti-apoptotic Bcl-2. Interestingly, SeNPs-PDG restored the PTZ-induced imbalance between excitatory and inhibitory amino acids and improved monoaminergic and cholinergic transmission. Conclusions: These promising antioxidative, anti-inflammatory, anti-apoptotic, and neuromodulatory activities indicate that SeNPs-PDG might serve as a naturally derived anticonvulsant agent.
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Affiliation(s)
- Naif E. Al Omairi
- Department of Internal Medicine, College of Medicine, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (N.E.A.O.); (H.A.)
| | - Ashraf Albrakati
- Department of Human Anatomy, College of Medicine, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
- Correspondence: ; Tel.: +966-555696608
| | - Khalaf F. Alsharif
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (K.F.A.); (W.A.)
| | | | - Walaa Alsanie
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (K.F.A.); (W.A.)
| | - Zakaria Y. Abd Elmageed
- Department of Pharmacology, Edward Via College of Osteopathic Medicine, University of Louisiana at Monroe, Monroe, LA 71203, USA;
| | - Dalia Zaafar
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Modern University for Technology and Information, Cairo 11311, Egypt;
| | - Maha S. Lokman
- Biology Department, College of Science and Humanities, Prince Sattam bin Abdul Aziz University, Alkharj 11942, Saudi Arabia;
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo 11795, Egypt; (A.E.A.M.); (R.B.K.)
| | - Amira A. Bauomy
- Department of Science Laboratories, College of Science and Arts, Qassim University, ArRass 52719, Saudi Arabia;
| | - Saied K. Belal
- Department of Human Anatomy, College of Medicine, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Mohamed M. Abdel-Daim
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231, Jeddah 21442, Saudi Arabia;
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Ahmed E. Abdel Moneim
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo 11795, Egypt; (A.E.A.M.); (R.B.K.)
| | - Hussain Alyami
- Department of Internal Medicine, College of Medicine, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (N.E.A.O.); (H.A.)
| | - Rami B. Kassab
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo 11795, Egypt; (A.E.A.M.); (R.B.K.)
- Biology Department, Faculty of Science and Arts, Al-Baha University, Al-Mukhwah 65554, Saudi Arabia
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11
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Bazhanova E, Kozlov A. Mechanisms of apoptosis in drug-resistant epilepsy. Zh Nevrol Psikhiatr Im S S Korsakova 2022; 122:43-50. [DOI: 10.17116/jnevro202212205143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Li J, Xiang H, Huang C, Lu J. Pharmacological Actions of Myricetin in the Nervous System: A Comprehensive Review of Preclinical Studies in Animals and Cell Models. Front Pharmacol 2021; 12:797298. [PMID: 34975495 PMCID: PMC8716845 DOI: 10.3389/fphar.2021.797298] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 11/29/2021] [Indexed: 12/01/2022] Open
Abstract
Myricetin is a natural flavonoid extracted from a variety of plants, such as medicinal herbs, vegetables, berries, and tea leaves. A growing body of evidence has reported that myricetin supplementation display therapeutic activities in a lot of nervous system disorders, such as cerebral ischemia, Alzheimer’s disease, Parkinson’s disease, epilepsy, and glioblastoma. Myricetin supplementation can also protect against pathological changes and behavioral impairment induced by multiple sclerosis and chronic stress. On the basis of these pharmacological actions, myricetin could be developed as a potential drug for the prevention and/or treatment of nervous system disorders. Mechanistic studies have shown that inhibition of oxidative stress, cellular apoptosis, and neuroinflammatory response are common mechanisms for the neuroprotective actions of myricetin. Other mechanisms, including the activation of the nuclear factor E2-related factor 2 (Nrf2), extracellular signal-regulated kinase 1/2 (ERK1/2), protein kinase B (Akt), cyclic adenosine monophosphate-response element binding protein (CREB), and brain-derived neurotrophic factor (BDNF) signaling, inhibition of intracellular Ca2+ increase, inhibition of c-Jun N-terminal kinase (JNK)-p38 activation, and suppression of mutant protein aggregation, may also mediate the neuroprotective effects of myricetin. Furthermore, myricetin treatment has been shown to promote the activation of the inhibitory neurons in the hypothalamic paraventricular nucleus, which subsequently produces anti-epilepsy effects. In this review, we make a comprehensive understanding about the pharmacological effects of myricetin in the nervous system, aiming to push the development of myricetin as a novel drug for the treatment of nervous system disorders.
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Affiliation(s)
- Jie Li
- Department of Gastroenterology, The People’s Hospital of Taizhou, The Fifth Affiliated Hospital of Nantong University, Taizhou, China
| | - Haitao Xiang
- Department of Neurosurgery, Suzhou Kowloon Hospital, Shanghai Jiaotong University School of Medicine, Suzhou, China
| | - Chao Huang
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, China
| | - Jiashu Lu
- Department of Pharmacy, The People’s Hospital of Taizhou, The Fifth Affiliated Hospital of Nantong University, Taizho, China
- *Correspondence: Jiashu Lu,
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13
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Ciccone L, Vandooren J, Nencetti S, Orlandini E. Natural Marine and Terrestrial Compounds as Modulators of Matrix Metalloproteinases-2 (MMP-2) and MMP-9 in Alzheimer's Disease. Pharmaceuticals (Basel) 2021; 14:86. [PMID: 33498927 PMCID: PMC7911533 DOI: 10.3390/ph14020086] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/14/2021] [Accepted: 01/19/2021] [Indexed: 12/16/2022] Open
Abstract
Several studies have reported neuroprotective effects by natural products. A wide range of natural compounds have been investigated, and some of these may play a beneficial role in Alzheimer's disease (AD) progression. Matrix metalloproteinases (MMPs), a family of zinc-dependent endopeptidases, have been implicated in AD. In particular, MMP-2 and MMP-9 are able to trigger several neuroinflammatory and neurodegenerative pathways. In this review, we summarize and discuss existing literature on natural marine and terrestrial compounds, as well as their ability to modulate MMP-2 and MMP-9, and we evaluate their potential as therapeutic compounds for neurodegenerative and neuroinflammatory diseases, with a focus on Alzheimer's disease.
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Affiliation(s)
- Lidia Ciccone
- Department of Pharmacy, University of Pisa, via Bonanno 6, 56126 Pisa, Italy; (L.C.); (S.N.)
| | - Jennifer Vandooren
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, KU Leuven—Herestraat 49—Box 1044, 3000 Leuven, Belgium;
| | - Susanna Nencetti
- Department of Pharmacy, University of Pisa, via Bonanno 6, 56126 Pisa, Italy; (L.C.); (S.N.)
- Interdepartmental Research Centre “Nutraceuticals and Food for Health (NUTRAFOOD), University of Pisa, 56126 Pisa, Italy
| | - Elisabetta Orlandini
- Department of Earth Sciences, University of Pisa, via Santa Maria 53, 56126 Pisa, Italy
- Research Center “E. Piaggio”, University of Pisa, 56122 Pisa, Italy
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14
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Ueno H, Shimada A, Suemitsu S, Murakami S, Kitamura N, Wani K, Takahashi Y, Matsumoto Y, Okamoto M, Ishihara T. Alpha-pinene and dizocilpine (MK-801) attenuate kindling development and astrocytosis in an experimental mouse model of epilepsy. IBRO Rep 2020; 9:102-114. [PMID: 32760846 PMCID: PMC7390835 DOI: 10.1016/j.ibror.2020.07.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 07/11/2020] [Indexed: 12/12/2022] Open
Abstract
Understanding the molecular and cellular mechanisms involved during the onset of epilepsy is crucial for elucidating the overall mechanism of epileptogenesis and therapeutic strategies. Previous studies, using a pentylenetetrazole (PTZ)-induced kindling mouse model, showed that astrocyte activation and an increase in perineuronal nets (PNNs) and extracellular matrix (ECM) molecules occurred within the hippocampus. However, the mechanisms of initiation and suppression of these changes, remain unclear. Herein, we analyzed the attenuation of astrocyte activation caused by dizocilpine (MK-801) administration, as well as the anticonvulsant effect of α-pinene on seizures and production of ECM molecules. Our results showed that MK-801 significantly reduced kindling acquisition, while α-pinene treatment prevented an increase in seizures incidences. Both MK-801 and α-pinene administration attenuated astrocyte activation by PTZ and significantly attenuated the increase in ECM molecules. Our results indicate that astrocyte activation and an increase in ECM may contribute to epileptogenesis and suggest that MK-801 and α-pinene may prevent epileptic seizures by suppressing astrocyte activation and ECM molecule production.
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Affiliation(s)
- Hiroshi Ueno
- Department of Medical Technology, Kawasaki University of Medical Welfare, Okayama, 701-0193, Japan
| | - Atsumi Shimada
- Division of Food and Nutrition, Nakamura Gakuen University Junior College, Fukuoka, 814-0198, Japan
| | - Shunsuke Suemitsu
- Department of Psychiatry, Kawasaki Medical School, Okayama, 701-0192, Japan
| | - Shinji Murakami
- Department of Psychiatry, Kawasaki Medical School, Okayama, 701-0192, Japan
| | - Naoya Kitamura
- Department of Psychiatry, Kawasaki Medical School, Okayama, 701-0192, Japan
| | - Kenta Wani
- Department of Psychiatry, Kawasaki Medical School, Okayama, 701-0192, Japan
| | - Yu Takahashi
- Department of Psychiatry, Kawasaki Medical School, Okayama, 701-0192, Japan
| | - Yosuke Matsumoto
- Department of Neuropsychiatry, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, 700-8558, Japan
| | - Motoi Okamoto
- Department of Medical Technology, Graduate School of Health Sciences, Okayama University, Okayama, 700-8558, Japan
| | - Takeshi Ishihara
- Department of Psychiatry, Kawasaki Medical School, Okayama, 701-0192, Japan
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15
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Tao Z, Chun-Yan H, Hua P, Bin-Bin Y, Xiaoping T. Phyllathin From Phyllanthus Amarus Ameliorates Epileptic Convulsion and Kindling Associated Post-Ictal Depression in Mice via Inhibition of NF-κB/TLR-4 Pathway. Dose Response 2020; 18:1559325820946914. [PMID: 32821254 PMCID: PMC7412921 DOI: 10.1177/1559325820946914] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/14/2020] [Accepted: 07/04/2020] [Indexed: 12/13/2022] Open
Abstract
Background Epilepsy is a chronic, complex, unprovoked, and recurrent disorder of the nervous system that affected several people worldwide. Phyllanthus amarus (PA) has been documented to have neuroprotective potential. Aim To evaluate the potential of standardized extract of PA and its possible mechanism of action against the Pentylenetetrazol (PTZ)-induced convulsion and kindling associated post-ictal depression in experimental mice. Materials and Methods Phyllathin was isolated from methanolic extract of PA and well-characterized using HPTLC, ESI-MS/MS, and LC/MS. Phyllathin containing a standardized extract of PA (50, 100, and 200 mg/kg) was administered in convulsed and kindled mice, followed by an assessment of various parameters. Results The spectral analysis confirmed the molecular formula and weight of phyllanthin as C24H34O6 and 418.2342 Da. PA (100 and 200 mg/kg) significantly ameliorated PTZ-induced (p < 0.05) duration, onset of tonic-clonic convulsion, and mortality in mice. It also significantly attenuated (p < 0.05) PTZ-induced kindling in mice. Alteration in brain GABA, dopamine, and glutamate, Na+K+ATPase, Ca+2-ATPase activities, and oxido-nitrosative stress in kindled mice was significantly restored (p < 0.05) by PA treatment. It also significantly (p < 0.05) down-regulated brain mRNA expressions of NF-κB, TNF-α, IL-1β, COX-2, and TLR-4. Histological aberrations induced by PTZ in the brain of a kindled rat was significantly (p < 0.05) ameliorated by PA. Conclusion Phyllanthin containing a standardized extract of PA exerts its antiepileptic potential via balancing excitatory (glutamate) and inhibitory (GABA) brain monoamines, voltage-gated ion channels (Na+K+/Ca+2-ATPase) and inhibition of NF-κB/TLR-4 pathway to ameliorate neuroinflammation (TNF-α, IL-1β, and COX-2) in experimental mice.
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Affiliation(s)
- Zhang Tao
- Department of Neurosurgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Hu Chun-Yan
- Department of Urology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Peng Hua
- Department of Neurosurgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Yang Bin-Bin
- Department of Neurosurgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Tang Xiaoping
- Department of Neurosurgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
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16
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Taheri Y, Suleria HAR, Martins N, Sytar O, Beyatli A, Yeskaliyeva B, Seitimova G, Salehi B, Semwal P, Painuli S, Kumar A, Azzini E, Martorell M, Setzer WN, Maroyi A, Sharifi-Rad J. Myricetin bioactive effects: moving from preclinical evidence to potential clinical applications. BMC Complement Med Ther 2020; 20:241. [PMID: 32738903 PMCID: PMC7395214 DOI: 10.1186/s12906-020-03033-z] [Citation(s) in RCA: 102] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Accepted: 07/24/2020] [Indexed: 12/21/2022] Open
Abstract
Several flavonoids have been recognized as nutraceuticals, and myricetin is a good example. Myricetin is commonly found in plants and their antimicrobial and antioxidant activities is well demonstrated. One of its beneficial biological effects is the neuroprotective activity, showing preclinical activities on Alzheimer, Parkinson, and Huntington diseases, and even in amyotrophic lateral sclerosis. Also, myricetin has revealed other biological activities, among them as antidiabetic, anticancer, immunomodulatory, cardiovascular, analgesic and antihypertensive. However, few clinical trials have been performed using myricetin as nutraceutical. Thus, this review provides new insights on myricetin preclinical pharmacological activities, and role in selected clinical trials.
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Affiliation(s)
- Yasaman Taheri
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Pharmacology and Toxicology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Natália Martins
- Faculty of Medicine, University of Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
- Institute for Research and Innovation in Health (i3S), University of Porto, 4200-135 Porto, Portugal
| | - Oksana Sytar
- Department of Plant Biology Department, Taras Shevchenko National University of Kyiv, Institute of Biology, Volodymyrska str., 64, Kyiv, 01033 Ukraine
- Department of Plant Physiology, Slovak University of Agriculture, Nitra, A. Hlinku 2, 94976 Nitra, Slovak Republic
| | - Ahmet Beyatli
- Department of Medicinal and Aromatic Plants, University of Health Sciences, 34668 Istanbul, Turkey
| | - Balakyz Yeskaliyeva
- Faculty of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, Almaty, Kazakhstan
| | - Gulnaz Seitimova
- Faculty of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, Almaty, Kazakhstan
| | - Bahare Salehi
- Noncommunicable Diseases Research Center, Bam University of Medical Sciences, Bam, Iran
- Student Research Committee, School of Medicine, Bam University of Medical Sciences, Bam, Iran
| | - Prabhakar Semwal
- Department of Biotechnology, Graphic Era University, Dehradun, Uttarakhand 248001 India
- Uttarakhand State Council for Science and Technology, Vigyan Dham, Dehradun, Uttarakhand 248007 India
| | - Sakshi Painuli
- Department of Biotechnology, Graphic Era University, Dehradun, Uttarakhand 248001 India
- Himalayan Environmental Studies and Conservation Organization, Prem Nagar, Dehradun, Uttarakhand 248001 India
| | - Anuj Kumar
- Uttarakhand Council for Biotechnology, Silk Park, Prem Nagar, Dehradun, Uttarakhand 248007 India
| | - Elena Azzini
- CREA-Research Centre for Food and Nutrition, Via Ardeatina 546, 00178 Rome, Italy
| | - Miquel Martorell
- Department of Nutrition and Dietetics, Faculty of Pharmacy, and Centre for Healthy Living, University of Concepción, 4070386 Concepción, Chile
- Unidad de Desarrollo Tecnológico, UDT, Universidad de Concepción, 4070386 Concepción, Chile
| | - William N. Setzer
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899 USA
- Aromatic Plant Research Center, 230 N 1200 E, Suite 100, Lehi, UT 84043 USA
| | - Alfred Maroyi
- Department of Botany, University of Fort Hare, Private Bag X1314, Alice, 5700 South Africa
| | - Javad Sharifi-Rad
- Zabol Medicinal Plants Research Center, Zabol University of Medical Sciences, Zabol, Iran
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17
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Adipose-derived mesenchymal stem cells protect against CMS-induced depression-like behaviors in mice via regulating the Nrf2/HO-1 and TLR4/NF-κB signaling pathways. Acta Pharmacol Sin 2020; 41:612-619. [PMID: 31796867 PMCID: PMC7468309 DOI: 10.1038/s41401-019-0317-6] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 10/09/2019] [Indexed: 12/27/2022] Open
Abstract
Increasing studies show that inflammatory processes may be involved in depressive disorders. Nuclear factor erythroid-2 related factor 2 (Nrf2) modulates tissue microglial M1 phenotypic changes to the M2 phenotype, which is implicated in protection against inflammatory diseases. We have reported that the adipose-derived mesenchymal stem cells (ADSCs) display anti-inflammatory activity. In this study we explored whether the mechanism of anti-inflammatory activity of ADSCs was related to Nrf2. ADSCs were isolated from mouse fat pads and intravenously administered to chronic mild stress (CMS)-exposed C57BL/6 mice at the dose of 1 × 106 once a week for 3 weeks. We showed that ADSC administration significantly remedied CMS-induced depressive-like behaviors in sucrose preference test, tail suspension test, and forced swim test accompanied by suppressing microglial activation and the expression of inflammatory factors including MCP-1, TNF-α, IL-1β, and IL-6. Furthermore, ADSC administration promoted both the expression of BDNF and TrkB, and promoted Nrf2/HO-1 signaling but suppressed TLR4/NF-κB signaling in brain tissue. In order to elucidate the role of Nrf2/HO-1 signaling in ADSC-caused neuroprotection, Nrf2-modified ADSCs were cocultured with BV2 microglial cells, then exposed to lipopolysaccharide (LPS). Downregulation of Nrf2 in ADSCs decreased the protective effects of ADSCs against LPS-induced microglial activation and M1 polarization. Nrf2 overexpression in ADSCs markedly suppressed LPS-induced TLR4 and NF-κB expression in microglial cells. These results suggest a possible antidepressive mechanism correlated with microglial polarization for anti-inflammatory agents, which may provide a new microglia-targeted strategy for depression therapy.
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