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Hammad AM, Alzaghari LF, Alfaraj M, Lux V, Sunoqrot S. Green Tea Polyphenol Nanoparticles Reduce Anxiety Caused by Tobacco Smoking Withdrawal in Rats by Suppressing Neuroinflammation. TOXICS 2024; 12:598. [PMID: 39195700 PMCID: PMC11360476 DOI: 10.3390/toxics12080598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2024] [Revised: 08/12/2024] [Accepted: 08/15/2024] [Indexed: 08/29/2024]
Abstract
Repeated exposure to tobacco smoke causes neuroinflammation and neuroplasticity, which correlates with smoking withdrawal-induced anxiety. The purpose of this study was to investigate the anticipated involvement of antioxidant-rich nanoparticles (NPs) prepared by oxidation-triggered polymerization of green tea catechins in impacting these effects in a rat model of tobacco smoke exposure. Exposure to tobacco smoke was carried out for 2 h a day, 5 days a week, for a total of 36 days. Weekly behavioral tests were conducted prior to recommencing the exposure. Following a 20-day exposure period, rats were administered either distilled water or green tea (GT) NPs (20 mg/kg, orally) for an additional 16 days. Our findings revealed that tobacco smoke exposure induced anxiety-like behavior indicative of withdrawal, and this effect was alleviated by GT NPs. Tobacco smoke exposure caused a marked increase in the relative mRNA and protein expression of nuclear factor-kappa B (NF-κB) and reduced the relative mRNA and protein expression of brain-derived neurotrophic factor (BDNF) in the hippocampus (HIP) and hypothalamus (HYP) brain subregions. The intervention of GT NPs effectively inhibited these effects. Our findings demonstrate the potent protective role of GT NPs in reducing withdrawal-induced anxiety-like behavior, neuroinflammation, and neuroplasticity triggered by tobacco smoke exposure.
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Affiliation(s)
- Alaa M. Hammad
- Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman 11733, Jordan
| | - Lujain F. Alzaghari
- Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman 11733, Jordan
| | - Malek Alfaraj
- Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman 11733, Jordan
| | - Vanessa Lux
- Department of Genetic Psychology, Ruhr University Bochum, 44801 Bochum, Germany;
| | - Suhair Sunoqrot
- Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman 11733, Jordan
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2
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Zhao W, Zhao S, Wei R, Wang Z, Zhang F, Zong F, Zhang HT. cGAS/STING signaling pathway-mediated microglial activation in the PFC underlies chronic ethanol exposure-induced anxiety-like behaviors in mice. Int Immunopharmacol 2024; 134:112185. [PMID: 38701540 DOI: 10.1016/j.intimp.2024.112185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 04/27/2024] [Accepted: 04/28/2024] [Indexed: 05/05/2024]
Abstract
Chronic ethanol consumption is a prevalent condition in contemporary society and exacerbates anxiety symptoms in healthy individuals. The activation of microglia, leading to neuroinflammatory responses, may serve as a significant precipitating factor; however, the precise molecular mechanisms underlying this phenomenon remain elusive. In this study, we initially confirmed that chronic ethanol exposure (CEE) induces anxiety-like behaviors in mice through open field test and elevated plus maze test. The cGAS/STING signaling pathway has been confirmed to exhibits a significant association with inflammatory signaling responses in both peripheral and central systems. Western blot analysis confirmed alterations in the cGAS/STING signaling pathway during CEE, including the upregulation of p-TBK1 and p-IRF3 proteins. Moreover, we observed microglial activation in the prefrontal cortex (PFC) of CEE mice, characterized by significant alterations in branching morphology and an increase in cell body size. Additionally, we observed that administration of CEE resulted in mitochondrial dysfunction within the PFC of mice, accompanied by a significant elevation in cytosolic mitochondrial DNA (mtDNA) levels. Furthermore, our findings revealed that the inhibition of STING by H-151 effectively alleviated anxiety-like behavior and suppressed microglial activation induced by CEE. Our study unveiled a significant association between anxiety-like behavior, microglial activation, inflammation, and mitochondria dysfunction during CEE.
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Affiliation(s)
- Wei Zhao
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao 266073, China
| | - Shuang Zhao
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao 266073, China
| | - Ran Wei
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao 266073, China
| | - Ziqi Wang
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao 266073, China
| | - Fang Zhang
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao 266073, China
| | - Fangjiao Zong
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao 266073, China.
| | - Han-Ting Zhang
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao 266073, China.
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3
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Ko W, Baek JS, Liu Z, Dong L, Kim N, Lee H, Yoon CS, Kim NY, Kim SC, Lee DS. Anti-Inflammatory Activity of 1,6,7-Trihydroxy-2-(1,1-dimethyl-2-propenyl)-3-methoxyxanthone Isolated from Cudrania tricuspidata via NF-κB, MAPK, and HO-1 Signaling Pathways in Lipopolysaccharide-Stimulated RAW 264.7 and BV2 Cells. Molecules 2023; 28:7299. [PMID: 37959718 PMCID: PMC10650866 DOI: 10.3390/molecules28217299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 10/23/2023] [Accepted: 10/26/2023] [Indexed: 11/15/2023] Open
Abstract
Neuroinflammation activated by microglia affects inflammatory pain development. This study aimed to explore the anti-inflammatory properties and mechanisms of 1,6,7-trihydroxy-2-(1,1-dimethyl-2-propenyl)-3-methoxyxanthone (THMX) from Cudrania tricuspidata in microglia activation-mediated inflammatory pain. In RAW 264.7 and BV2 cells, THMX has been shown to reduce lipopolysaccharide (LPS)-induced inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), and pro-inflammatory mediators and cytokines, including nitric oxide (NO), prostaglandin (PG) E2, interleukin (IL)-6, and tumor necrosis factor alpha (TNF-α). THMX also decreased LPS-induced phosphorylation of mitogen-activated protein kinase (MAPK) and the activation of p65 nuclear factor kappa B (NF-κB). Interestingly, THMX also activated heme oxygenase (HO)-1 expression. These findings suggest that THMX is a promising biologically active compound against inflammation through preventing MAPKs and NF-ĸB and activating HO-1 signaling pathways.
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Affiliation(s)
- Wonmin Ko
- College of Pharmacy, Wonkwang University, 460, Iksan-daero, Iksan-si 54538, Republic of Korea; (W.K.); (C.-S.Y.)
| | - Jong-Suep Baek
- Department of Bio-Health Convergence, Kangwon National University, 1, Kangwondaehak-gil, Chuncheon-si 24341, Republic of Korea;
| | - Zhiming Liu
- College of Pharmacy, Chosun University, 309, Pilmun-daero, Dong-gu, Gwangju 61452, Republic of Korea; (Z.L.); (L.D.); (N.K.); (H.L.)
| | - Linsha Dong
- College of Pharmacy, Chosun University, 309, Pilmun-daero, Dong-gu, Gwangju 61452, Republic of Korea; (Z.L.); (L.D.); (N.K.); (H.L.)
| | - Nayeon Kim
- College of Pharmacy, Chosun University, 309, Pilmun-daero, Dong-gu, Gwangju 61452, Republic of Korea; (Z.L.); (L.D.); (N.K.); (H.L.)
| | - Hwan Lee
- College of Pharmacy, Chosun University, 309, Pilmun-daero, Dong-gu, Gwangju 61452, Republic of Korea; (Z.L.); (L.D.); (N.K.); (H.L.)
| | - Chi-Su Yoon
- College of Pharmacy, Wonkwang University, 460, Iksan-daero, Iksan-si 54538, Republic of Korea; (W.K.); (C.-S.Y.)
| | - Na Young Kim
- Pathology Division, National Institute of Fisheries Science, 216, Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan 46083, Republic of Korea;
| | - Sam Cheol Kim
- Department of Family Practice and Community Medicine, Chosun University College of Medicine, 309, Pilmun-daero, Dong-gu, Gwangju 61452, Republic of Korea;
| | - Dong-Sung Lee
- College of Pharmacy, Chosun University, 309, Pilmun-daero, Dong-gu, Gwangju 61452, Republic of Korea; (Z.L.); (L.D.); (N.K.); (H.L.)
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Jiang X, Yan Q, Lao W, Lin Q, Cao H, Chen L, Chen J, Yu X, Liu F. Irisin attenuates ethanol-induced behavioral deficits in mice through activation of Nrf2 and inhibition of NF-κB pathways. Metab Brain Dis 2023; 38:1643-1656. [PMID: 36947333 DOI: 10.1007/s11011-023-01202-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 03/11/2023] [Indexed: 03/23/2023]
Abstract
This study aims to investigate the effect of irisin on ethanol-induced behavioral deficits and explore the underlying mechanisms. A mouse model of ethanol addiction/withdrawal was constructed through chronic ethanol administration. Depressive-like behaviors were evaluated by the tail suspension test and forced swimming test, and anxiety-like behaviors were evaluated by the marble-burying test and elevated plus maze test. The expression of Nrf2 was measured by western blotting. Levels of inflammatory mediators (NF-κB, TNF-α, IL-1β and IL-6) and oxidative stress factors (ROS, MDA, GSH and SOD) were detected by ELISA. The ethanol-induced PC12/BV2 cell injury model was used to elucidate whether the effect of irisin on ethanol-induced neurological injury was related to anti-inflammatory and antioxidant mechanisms. Ethanol-induced ethanol preference and emotional deficits were improved by chronic irisin treatment; however, these improvements were partly reversed by cotreatment with the Nrf2 inhibitor ML385. Further results implied that the improvement effect of irisin on behavioral abnormalities may be related to its anti-inflammatory and antioxidant effects. In detail, irisin inhibited ethanol-induced abnormal expression of ROS and MDA and upregulated the expression of GSH and SOD. Meanwhile, irisin treatment inhibited ethanol-induced overexpression of NF-κB, TNF-α, IL-1β and IL-6 in the hippocampus and cerebral cortex. The regulation of oxidative stress factors by irisin was reversed after ML385 treatment. In the in vitro study, overexpression of oxidative stress factors in ethanol-treated PC12 cells was inhibited by irisin treatment; however, the prevention was reversed after the knockdown of Nrf2 siRNA. Moreover, ethanol-induced overexpression of inflammatory mediators in BV2 cells was also inhibited by irisin treatment. Irisin improved depressive and anxiety-like behaviors induced by ethanol addiction/withdrawal in mice, and this protection was greatly associated with the NF-κB-mediated anti-inflammatory signaling pathway and Nrf2-mediated antioxidative stress signaling pathway.
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Affiliation(s)
- Xi Jiang
- Zhejiang University Mingzhou Hospital, 315000, Ningbo, China
| | - Qizhi Yan
- Shaoxing People's Hospital, Shaoxing Hospital, Zhejiang University School of Medicine, Shaoxing, 312000, China
| | - Wendie Lao
- Department of Pharmacy, Zhejiang Pharmaceutical University, 315000, Ningbo, China
| | - Qian Lin
- Department of Pharmacology & Toxicology, University of Louisville, Louisville, KY, USA
| | - Haoran Cao
- Department of Pharmacy, Zhejiang Pharmaceutical University, 315000, Ningbo, China
| | - Lei Chen
- Department of Pharmacy, Zhejiang Pharmaceutical University, 315000, Ningbo, China
| | - Jin Chen
- Zhejiang University Mingzhou Hospital, 315000, Ningbo, China
| | - Xuefeng Yu
- Department of Pharmacy, Zhejiang Pharmaceutical University, 315000, Ningbo, China.
- Department of Pharmacy, Zhejiang Pharmaceutical College, No.888 Yinxian Avenue East Section, Ningbo, 315000, China.
| | - Fuhe Liu
- Department of Pharmacy, Zhejiang Pharmaceutical University, 315000, Ningbo, China.
- Department of Pharmacy, Zhejiang Pharmaceutical College, No.888 Yinxian Avenue East Section, Ningbo, 315000, China.
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Yao H, Wang C, Xia Z. Prenatal alcohol exposure enhanced alcohol preference and susceptibility to PTSD in a sex-dependent manner through the synaptic HCN1 channel. J Affect Disord 2023; 324:143-152. [PMID: 36587902 DOI: 10.1016/j.jad.2022.12.069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/07/2022] [Accepted: 12/18/2022] [Indexed: 12/31/2022]
Abstract
BACKGROUND Prenatal alcohol exposure (PAE) adversely affects the neurobiological and behavioral functions of offspring. Increasing evidence indicates that alcohol-use disorders and post-traumatic stress disorder (PTSD) commonly co-occur. Enhanced function of hyperpolarization-activated gated channel 1 (HCN1) may be involved in the pathogenesis of PTSD. This study aimed to explore the effect of PAE on fear extinction, spontaneous recovery, alcohol preference, and function of HCN1 channels in offspring of both sexes. METHODS The PAE model was established with a 20 % (m/V) ethanol solution, and offspring were treated with 0.5, 1, and 2 μg/mL ZD7288 to block the HCN1 channel. Behavioral tests were used to detect the mental state and fear of extinction of the mice. Western blot was used to detect HCN1 expression in the synaptosomes. The BDNF/TrkB-pmTOR pathway was also examined. RESULTS ZD7288 administration ameliorated PAE-induced impairment of fear extinction and depression-like behavior. ZD7288 administration also alleviated PAE-induced inhibition of the HCN1 channel in the prefrontal cortex (PFC) and the BDNF/TrkB-pmTOR pathway in the hippocampus of offspring. In addition, the therapeutic effect of ZD7288 in males was better than that in females. CONCLUSIONS Overall, these results suggest that PAE enhances alcohol preference and susceptibility to PTSD through synaptic HCN1 channels in the PFC. In addition, ZD7288 may be a promising candidate for preventing alcohol-associated PTSD-like syndrome, particularly in males. LIMITATIONS The effects of ZD7288 were only studied in PAE animals and not in healthy animals.
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Affiliation(s)
- Hui Yao
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, PR China; Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-Sen University, Guangzhou, Guangdong, 510080, P. R. China
| | - Changliang Wang
- The People's Procuratorate of Liaoning Province Judicial Authentication Center, No. 46, Cong San East Road, Shenyang, Liaoning 110032, PR China
| | - Zhixiu Xia
- Colorectal Tumor Surgery Ward, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China.
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Yao H, Zhang D, Yu H, Yuan H, Shen H, Lan X, Liu H, Chen X, Meng F, Wu X, Zhang G, Wang X. Gut microbiota regulates chronic ethanol exposure-induced depressive-like behavior through hippocampal NLRP3-mediated neuroinflammation. Mol Psychiatry 2023; 28:919-930. [PMID: 36280756 PMCID: PMC9908543 DOI: 10.1038/s41380-022-01841-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 10/04/2022] [Accepted: 10/10/2022] [Indexed: 11/09/2022]
Abstract
Chronic ethanol exposure (CEE), which can lead to neuroinflammation, is an increasing risk factor for depression disorder, but the underlying mechanism is not clear. Recent observations have revealed the associations among psychiatric disorders, ethanol exposure and alterations of the gut microbiota. Here, we found that CEE induced depressive-like behavior, which could be alleviated by probiotics and transferred from donor to recipient mice by fecal microbiota transplantation (FMT). Neuroinflammation and the activation of the NLRP3 inflammasome were also observed in recipient mice. The downregulation of NLRP3 in the hippocampus mitigated CEE-induced depressive-like behavior and neuroinflammation but had no significant effect on FMT recipient mice. Moreover, elevated serum inflammatory factors in recipient mice showed a significant mediation effect between the gut microbiota and depressive-like behavior. Together, our study findings indicate that the gut microbiota contributes to both hippocampal NLRP3-mediated neuroinflammation and depressive-like behavior induced by CEE, which may open avenues for potential interventions against CEE-associated psychiatric disorders.
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Affiliation(s)
- Hui Yao
- grid.412449.e0000 0000 9678 1884Department of Forensic Pathology, China Medical University School of Forensic Medicine, Shenyang, 110122 Liaoning PR China ,Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, 110122 Liaoning PR China ,grid.412449.e0000 0000 9678 1884China Medical University Center of Forensic Investigation, Shenyang, 110122 Liaoning PR China
| | - Dalin Zhang
- grid.412636.40000 0004 1757 9485Department of Thyroid Surgery, The First Affiliated Hospital of China Medical University, Shenyang, 110001 Liaoning PR China
| | - Hao Yu
- grid.412449.e0000 0000 9678 1884Department of Forensic Pathology, China Medical University School of Forensic Medicine, Shenyang, 110122 Liaoning PR China ,Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, 110122 Liaoning PR China ,grid.412449.e0000 0000 9678 1884China Medical University Center of Forensic Investigation, Shenyang, 110122 Liaoning PR China
| | - Huiya Yuan
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, 110122 Liaoning PR China ,grid.412449.e0000 0000 9678 1884China Medical University Center of Forensic Investigation, Shenyang, 110122 Liaoning PR China ,grid.412449.e0000 0000 9678 1884Department of Forensic Analytical Toxicology, China Medical University School of Forensic Medicine, Shenyang, 110122 Liaoning PR China
| | - Hui Shen
- grid.412449.e0000 0000 9678 1884Department of Forensic Pathology, China Medical University School of Forensic Medicine, Shenyang, 110122 Liaoning PR China ,Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, 110122 Liaoning PR China ,grid.412449.e0000 0000 9678 1884China Medical University Center of Forensic Investigation, Shenyang, 110122 Liaoning PR China
| | - Xinze Lan
- grid.412449.e0000 0000 9678 1884Department of Forensic Pathology, China Medical University School of Forensic Medicine, Shenyang, 110122 Liaoning PR China ,Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, 110122 Liaoning PR China ,grid.412449.e0000 0000 9678 1884China Medical University Center of Forensic Investigation, Shenyang, 110122 Liaoning PR China
| | - Hao Liu
- grid.412449.e0000 0000 9678 1884Department of Forensic Pathology, China Medical University School of Forensic Medicine, Shenyang, 110122 Liaoning PR China ,Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, 110122 Liaoning PR China ,grid.412449.e0000 0000 9678 1884China Medical University Center of Forensic Investigation, Shenyang, 110122 Liaoning PR China
| | - Xiaohuan Chen
- grid.412449.e0000 0000 9678 1884Department of Forensic Pathology, China Medical University School of Forensic Medicine, Shenyang, 110122 Liaoning PR China ,Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, 110122 Liaoning PR China ,grid.412449.e0000 0000 9678 1884China Medical University Center of Forensic Investigation, Shenyang, 110122 Liaoning PR China
| | - Fanyue Meng
- grid.412449.e0000 0000 9678 1884Department of Forensic Pathology, China Medical University School of Forensic Medicine, Shenyang, 110122 Liaoning PR China ,Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, 110122 Liaoning PR China ,grid.412449.e0000 0000 9678 1884China Medical University Center of Forensic Investigation, Shenyang, 110122 Liaoning PR China
| | - Xu Wu
- grid.412449.e0000 0000 9678 1884Department of Forensic Pathology, China Medical University School of Forensic Medicine, Shenyang, 110122 Liaoning PR China ,Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, 110122 Liaoning PR China ,grid.412449.e0000 0000 9678 1884China Medical University Center of Forensic Investigation, Shenyang, 110122 Liaoning PR China
| | - Guohua Zhang
- Department of Forensic Pathology, China Medical University School of Forensic Medicine, Shenyang, 110122, Liaoning, PR China. .,Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, 110122, Liaoning, PR China. .,China Medical University Center of Forensic Investigation, Shenyang, 110122, Liaoning, PR China.
| | - Xiaolong Wang
- Department of Forensic Pathology, China Medical University School of Forensic Medicine, Shenyang, 110122, Liaoning, PR China. .,Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, 110122, Liaoning, PR China. .,China Medical University Center of Forensic Investigation, Shenyang, 110122, Liaoning, PR China.
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Anand SK, Ahmad MH, Sahu MR, Subba R, Mondal AC. Detrimental Effects of Alcohol-Induced Inflammation on Brain Health: From Neurogenesis to Neurodegeneration. Cell Mol Neurobiol 2022:10.1007/s10571-022-01308-2. [DOI: 10.1007/s10571-022-01308-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 11/11/2022] [Indexed: 11/28/2022]
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Xu Z, Zhang J, Wu J, Yang S, Li Y, Wu Y, Li S, Zhang X, Zuo W, Lian X, Lin J, Jiang Y, Xie L, Liu Y, Wang P. Lactobacillus plantarum ST-III culture supernatant ameliorates alcohol-induced cognitive dysfunction by reducing endoplasmic reticulum stress and oxidative stress. Front Neurosci 2022; 16:976358. [PMID: 36188464 PMCID: PMC9515438 DOI: 10.3389/fnins.2022.976358] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/15/2022] [Indexed: 11/28/2022] Open
Abstract
Background Long-term alcohol exposure is associated with oxidative stress, endoplasmic reticulum (ER) stress, and neuroinflammation, which may impair cognitive function. Probiotics supplements can significantly improve cognitive function in neurodegenerative diseases such as Alzheimer’s disease. Nevertheless, the effect of Lactobacillus plantarum ST-III culture supernatant (LP-cs) on alcohol-induced cognitive dysfunction remains unclear. Methods A mouse model of cognitive dysfunction was established by intraperitoneal injection of alcohol (2 g/kg body weight) for 28 days. Mice were pre-treated with LP-cs, and cognitive function was evaluated using the Morris water maze test. Hippocampal tissues were collected for biochemical and molecular analysis. Results LP-cs significantly ameliorated alcohol-induced decline in learning and memory function and hippocampal morphology changes, neuronal apoptosis, and synaptic dysfunction. A mechanistic study showed that alcohol activated protein kinase R-like endoplasmic reticulum kinase (PERK) signaling and suppressed brain derived neurotrophic factor (BDNF) levels via ER stress in the hippocampus, which LP-cs reversed. Alcohol activated oxidative stress and inflammation responses in the hippocampus, which LP-cs reversed. Conclusion LP-cs significantly ameliorated alcohol-induced cognitive dysfunction and cellular stress. LP-cs might serve as an effective treatment for alcohol-induced cognitive dysfunction.
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Affiliation(s)
- Zeping Xu
- Department of Pharmacy, Ningbo Medical Center Li Huili Hospital, The Affiliated Hospital of Ningbo University, Ningbo, China
| | - Jinjing Zhang
- Department of Pharmacy, Affiliated Cixi Hospital, Wenzhou Medical University, Wenzhou, China
| | - Junnan Wu
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
- The Affiliated Kangning Hospital, Wenzhou Medical University, Wenzhou, China
| | - Shizhuo Yang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Yuying Li
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Yuyu Wu
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Siyuan Li
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Xie Zhang
- Department of Pharmacy, Ningbo Medical Center Li Huili Hospital, The Affiliated Hospital of Ningbo University, Ningbo, China
| | - Wei Zuo
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, China
| | - Xiang Lian
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, China
| | - Jianjun Lin
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, China
| | - Yongsheng Jiang
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, China
| | - Longteng Xie
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, China
- Longteng Xie,
| | - Yanlong Liu
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
- The Affiliated Kangning Hospital, Wenzhou Medical University, Wenzhou, China
- *Correspondence: Yanlong Liu,
| | - Ping Wang
- The Affiliated Kangning Hospital, Wenzhou Medical University, Wenzhou, China
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
- Ping Wang,
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Yu X, Yao H, Zhang X, Liu L, Liu S, Dong Y. Comparison of LPS and MS-induced depressive mouse model: behavior, inflammation and biochemical changes. BMC Psychiatry 2022; 22:590. [PMID: 36064335 PMCID: PMC9443001 DOI: 10.1186/s12888-022-04233-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Accepted: 08/29/2022] [Indexed: 12/28/2022] Open
Abstract
Depression is a mental disease involving complex pathophysiological mechanisms, and there are many ways to establish depressive mouse models. The purpose of this study is to comprehensively compare the behavioral changes and its mechanism induced by two different models. This study established two depressive mouse models by maternal separation (MS) or lipopolysaccharide (LPS) administration, and added fluoxetine treatment group respectively for comparison. MS induced more apparent anxiety-like behavior while LPS induced more apparent depressive-like behavior. LPS increased peripheral inflammatory factors more apparent, which were mitigated by fluoxetine. MS inhibited the 5-HT system more obviously and was relieved by fluoxetine. LPS triggered stronger immune response in the hippocampus and prefrontal cortex (PFC). MS significantly reduced the expression of neurotrophic proteins and was alleviated by fluoxetine. Overall, LPS induced stronger system inflammation, while MS impaired the function of HPA axis and 5-HT system. Our results will contribute to a deeper understanding of the pathophysiology of different stress-induced depression and will also help researchers select appropriate models of depression for their own needs.
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Affiliation(s)
- Xiaojin Yu
- Department of Anesthesiology, Shengjing Hospital of China Medical University, No. 36 Sanhao Street, Shenyang, Liaoning, 110004, P. R. China.
| | - Hui Yao
- grid.412449.e0000 0000 9678 1884Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, Liaoning 110012 P. R. China
| | - Xiaohui Zhang
- grid.412467.20000 0004 1806 3501Department of Anesthesiology, Shengjing Hospital of China Medical University, No. 36 Sanhao Street, Shenyang, Liaoning 110004 P. R. China
| | - Lulu Liu
- grid.412467.20000 0004 1806 3501Department of Anesthesiology, Shengjing Hospital of China Medical University, No. 36 Sanhao Street, Shenyang, Liaoning 110004 P. R. China
| | - Shuangmei Liu
- grid.412467.20000 0004 1806 3501Department of Anesthesiology, Shengjing Hospital of China Medical University, No. 36 Sanhao Street, Shenyang, Liaoning 110004 P. R. China
| | - Youjing Dong
- Department of Anesthesiology, Shengjing Hospital of China Medical University, No. 36 Sanhao Street, Shenyang, Liaoning, 110004, P. R. China.
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10
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Squillace S, Salvemini D. Toll-like receptor-mediated neuroinflammation: relevance for cognitive dysfunctions. Trends Pharmacol Sci 2022; 43:726-739. [PMID: 35753845 PMCID: PMC9378500 DOI: 10.1016/j.tips.2022.05.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/13/2022] [Accepted: 05/27/2022] [Indexed: 10/17/2022]
Abstract
Toll-like receptors (TLRs) are pattern recognition receptors (PRRs) with a well-documented role in the innate and adaptive immune responses. Interestingly, TLR activation has also been linked to several brain functions including neurogenesis and synaptogenesis. Increasing evidence supports TLR involvement in peripheral and central inflammation underlying normal aging and the pathogenesis of clinical conditions characterized by cognitive decline. These include not only major neurodegenerative diseases but also traumatic brain injuries, surgeries, and alcohol consumption- and chemotherapy-induced cognitive impairment. We first summarize the physiological roles of TLRs in the nervous system, and then illustrate the emerging involvement of TLRs in cognitive functions, pointing to these receptors as novel enticing pharmacological targets to develop more efficient drugs for the treatment of cognitive impairment.
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Affiliation(s)
- Silvia Squillace
- Department of Pharmacology and Physiology, and the Henry and Amelia Nasrallah Center for Neuroscience, Saint Louis University School of Medicine, 1402 South Grand Boulevard, St. Louis, MO 63104, USA
| | - Daniela Salvemini
- Department of Pharmacology and Physiology, and the Henry and Amelia Nasrallah Center for Neuroscience, Saint Louis University School of Medicine, 1402 South Grand Boulevard, St. Louis, MO 63104, USA.
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11
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Yao H, Zhang D, Yu H, Shen H, Lan X, Liu H, Chen X, Wu X, Zhang G, Wang X. Chronic ethanol exposure induced anxiety‐like behaviour by altering gut microbiota and GABA system. Addict Biol 2022; 27:e13203. [DOI: 10.1111/adb.13203] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 05/23/2022] [Accepted: 06/09/2022] [Indexed: 12/16/2022]
Affiliation(s)
- Hui Yao
- Department of Forensic Pathology China Medical University School of Forensic Medicine Shenyang Liaoning China
- Liaoning Province Key Laboratory of Forensic Bio‐evidence Sciences Shenyang Liaoning China
- China Medical University Center of Forensic Investigation Shenyang Liaoning China
| | - Dalin Zhang
- Department of Thyroid Surgery The 1st Affiliated Hospital of China Medical University Shenyang China
| | - Hao Yu
- Department of Forensic Pathology China Medical University School of Forensic Medicine Shenyang Liaoning China
- Liaoning Province Key Laboratory of Forensic Bio‐evidence Sciences Shenyang Liaoning China
- China Medical University Center of Forensic Investigation Shenyang Liaoning China
| | - Hui Shen
- Department of Forensic Pathology China Medical University School of Forensic Medicine Shenyang Liaoning China
- Liaoning Province Key Laboratory of Forensic Bio‐evidence Sciences Shenyang Liaoning China
- China Medical University Center of Forensic Investigation Shenyang Liaoning China
| | - Xinze Lan
- Department of Forensic Pathology China Medical University School of Forensic Medicine Shenyang Liaoning China
- Liaoning Province Key Laboratory of Forensic Bio‐evidence Sciences Shenyang Liaoning China
- China Medical University Center of Forensic Investigation Shenyang Liaoning China
| | - Hao Liu
- Department of Forensic Pathology China Medical University School of Forensic Medicine Shenyang Liaoning China
- Liaoning Province Key Laboratory of Forensic Bio‐evidence Sciences Shenyang Liaoning China
- China Medical University Center of Forensic Investigation Shenyang Liaoning China
| | - Xiaohuan Chen
- Department of Forensic Pathology China Medical University School of Forensic Medicine Shenyang Liaoning China
- Liaoning Province Key Laboratory of Forensic Bio‐evidence Sciences Shenyang Liaoning China
- China Medical University Center of Forensic Investigation Shenyang Liaoning China
| | - Xu Wu
- Department of Forensic Pathology China Medical University School of Forensic Medicine Shenyang Liaoning China
- Liaoning Province Key Laboratory of Forensic Bio‐evidence Sciences Shenyang Liaoning China
- China Medical University Center of Forensic Investigation Shenyang Liaoning China
| | - Guohua Zhang
- Department of Forensic Pathology China Medical University School of Forensic Medicine Shenyang Liaoning China
- Liaoning Province Key Laboratory of Forensic Bio‐evidence Sciences Shenyang Liaoning China
- China Medical University Center of Forensic Investigation Shenyang Liaoning China
| | - Xiaolong Wang
- Department of Forensic Pathology China Medical University School of Forensic Medicine Shenyang Liaoning China
- Liaoning Province Key Laboratory of Forensic Bio‐evidence Sciences Shenyang Liaoning China
- China Medical University Center of Forensic Investigation Shenyang Liaoning China
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12
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Identification of Potential Anti-Neuroinflammatory Inhibitors from Antarctic Fungal Strain Aspergillus sp. SF-7402 via Regulating the NF-κB Signaling Pathway in Microglia. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27092851. [PMID: 35566201 PMCID: PMC9103959 DOI: 10.3390/molecules27092851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/21/2022] [Accepted: 04/27/2022] [Indexed: 11/17/2022]
Abstract
Microglia play a significant role in immune defense and tissue repair in the central nervous system (CNS). Microglial activation and the resulting neuroinflammation play a key role in the pathogenesis of neurodegenerative disorders. Recently, inflammation reduction strategies in neurodegenerative diseases have attracted increasing attention. Herein, we discovered and evaluated the anti-neuroinflammatory potential of compounds from the Antarctic fungi strain Aspergillus sp. SF-7402 in lipopolysaccharide (LPS)-stimulated BV2 cells. Four metabolites were isolated from the fungi through chemical investigations, namely, 5-methoxysterigmatocystin (1), sterigmatocystin (2), aversin (3), and 6,8-O-dimethylversicolorin A (4). Their chemical structures were elucidated by extensive spectroscopic analysis and HR-ESI-MS, as well as by comparison with those reported in literature. Anti-neuroinflammatory effects of the isolated metabolites were evaluated by measuring the production of nitric oxide (NO), tumor necrosis factor (TNF)-α, and interleukin (IL)-6 in LPS-activated microglia at non-cytotoxic concentrations. Sterigmatocystins (1 and 2) displayed significant effects on NO production and mild effects on TNF-α and IL-6 expression inhibition. The molecular mechanisms underlying this activity were investigated using Western blot analysis. Sterigmatocystin treatment inhibited NO production via downregulation of inducible nitric oxide synthase (iNOS) expression in LPS-stimulated BV2 cells. Additionally, sterigmatocystins reduced nuclear translocation of NF-κB. These results suggest that sterigmatocystins present in the fungal strain Aspergillus sp. are promising candidates for the treatment of neuroinflammatory diseases.
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Yao H, Guo W, Suo L, Li G, Wang Y, Chen Y, Sun Y, Ding R. Preventive effects of the AMPA receptor potentiator LY450108 in an LPS-induced depressive mouse model. Behav Brain Res 2022; 424:113813. [PMID: 35202718 DOI: 10.1016/j.bbr.2022.113813] [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: 12/16/2021] [Revised: 02/19/2022] [Accepted: 02/19/2022] [Indexed: 12/21/2022]
Abstract
Previous studies have demonstrated a close association between α-amino-3-hydroxy-5-methyl-4-isoxazole-propionic acid receptors (AMPARs) and depressive disorders, and activation of AMPARs may represent a promising way to treat depression. However, the effects of AMPAR potentiators on depression and the underlying mechanism have not been comprehensively clarified. We used lipopolysaccharide (LPS) to establish a depressive mouse model and an in vitro damage model of SH-SY5Y cells, and the AMPAR potentiator LY450108 was introduced to the study. We found that LY450108 alleviated LPS-induced depressive behavior and abnormal phosphorylation of hippocampal AMPARs in mice. LY450108 also alleviated LPS-induced apoptosis and decreased the viability of SH-SY5Y cells. In addition, LY450108 protected SH-SY5Y cells from LPS-induced abnormal phosphorylation of AMPARs. In conclusion, our findings suggest that LY450108 has antidepressant effects against LPS-induced neuronal damage and depression.
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Affiliation(s)
- Hui Yao
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, Liaoning, 110122, PR China; Affiliated Hospital of Weifang Medical University, Weifang, Shandong, 261031, PR China
| | - Wenting Guo
- Affiliated Hospital of Weifang Medical University, Weifang, Shandong, 261031, PR China
| | - Longlong Suo
- Affiliated Hospital of Weifang Medical University, Weifang, Shandong, 261031, PR China
| | - Guoliang Li
- Affiliated Hospital of Weifang Medical University, Weifang, Shandong, 261031, PR China
| | - Yunsheng Wang
- Affiliated Hospital of Weifang Medical University, Weifang, Shandong, 261031, PR China
| | - Yuanyuan Chen
- Affiliated Hospital of Weifang Medical University, Weifang, Shandong, 261031, PR China
| | - Yingui Sun
- Affiliated Hospital of Weifang Medical University, Weifang, Shandong, 261031, PR China.
| | - Runtao Ding
- Affiliated Hospital of Weifang Medical University, Weifang, Shandong, 261031, PR China.
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Yao H, Zhang D, Yu H, Shen H, Lan X, Liu H, Chen X, Wu X, Zhang G, Wang X. AMPAkine CX516 alleviated chronic ethanol exposure-induced neurodegeneration and depressive-like behavior in mice. Toxicol Appl Pharmacol 2022; 439:115924. [PMID: 35181401 DOI: 10.1016/j.taap.2022.115924] [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: 08/18/2021] [Revised: 02/09/2022] [Accepted: 02/11/2022] [Indexed: 12/15/2022]
Abstract
Chronic ethanol exposure (CEE) is associated with greater neurodegenerative effects and an increased risk of depression disorder. The AMPAR is thought to be involved in depression and a reduction in its GluA1 subunit was observed in the mouse hippocampus after CEE. AMPAkines are positive allosteric modulators of the AMPA receptor and have improved depressive-like behavior. However, the role of AMPARs in CEE-induced depressive-like behavior is not clear. It is unclear whether AMPAkines, positive allosteric agonists of AMPARs, protect against ethanol-induced depression. We investigated the effects of CX516 on ethanol-induced depressive-like behavior in a mouse model. CX516 (5 mg/kg) administration alleviated 20% (m/V) ethanol-induced depressive-like behavior in mice. Furthermore, CX516 significantly diminished the inhibition of the ERK1/2-BDNF-TrkB pathway in the hippocampus of ethanol-exposed mice. In addition, CX516 attenuated the levels of pro-inflammatory (IL-6, IL-1β), apoptosis (BAX, BCL-2), and neurodegeneration (FJC) in the mouse hippocampus induced by CEE.
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Affiliation(s)
- Hui Yao
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, Liaoning 110122, PR China
| | - Dalin Zhang
- Department of Thyroid Surgery, the 1st Affiliated Hospital, China Medical University, Shenyang, Liaoning 110001, PR China
| | - Hao Yu
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, Liaoning 110122, PR China
| | - Hui Shen
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, Liaoning 110122, PR China
| | - Xinze Lan
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, Liaoning 110122, PR China
| | - Hao Liu
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, Liaoning 110122, PR China
| | - Xiaohuan Chen
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, Liaoning 110122, PR China
| | - Xu Wu
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, Liaoning 110122, PR China
| | - Guohua Zhang
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, Liaoning 110122, PR China.
| | - Xiaolong Wang
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, Liaoning 110122, PR China.
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15
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Farooq U, Khan T, Shah SA, Hossain MS, Ali Y, Ullah R, Raziq N, Shahid M, Capasso R. Isolation, Characterization and Neuroprotective Activity of Folecitin: An In Vivo Study. Life (Basel) 2021; 11:825. [PMID: 34440569 PMCID: PMC8400650 DOI: 10.3390/life11080825] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/09/2021] [Accepted: 08/10/2021] [Indexed: 12/19/2022] Open
Abstract
Neurodegenerative diseases (NDs) extend the global health burden. Consumption of alcohol as well as maternal exposure to ethanol can damage several neuronal functions and cause cognition and behavioral abnormalities. Ethanol induces oxidative stress that is linked to the development of NDs. Treatment options for NDs are yet scarce, and natural product-based treatments could facilitate ND management since plants possess plenty of bioactive metabolites, including flavonoids, which typically demonstrate antioxidant and anti-inflammatory properties. Hypericum oblongifolium is an important traditional medicinal plant used for hepatitis, gastric ulcer, external wounds, and other gastrointestinal disorders. However, it also possesses multiple bioactive compounds and antioxidant properties, but the evaluation of isolated pure compounds for neuroprotective efficacy has not been done yet. Therefore, in the current study, we aim to isolate and characterize the bioactive flavonoid folecitin and evaluate its neuroprotective activity against ethanol-induced oxidative-stress-mediated neurodegeneration in the hippocampus of postnatal day 7 (PND-7) rat pups. A single dose of ethanol (5 g/kg body weight) was intraperitoneally administered after the birth of rat pups on PND-7. This caused oxidative stress accompanied by the activation of phosphorylated-c-Jun N-terminal kinase (p-JNK), nod-like receptor family pyrin domain containing 3 (NLRP3), apoptosis-associated speck-like protein (ASC), and cysteine-aspartic acid protease-1 (caspase-1) proteins to form a complex called the NLRP3-inflammasome, which converts pro-interleukin 1 beta (IL-1B) to activate IL-1B and induce widespread neuroinflammation and neurodegeneration. In contrast, co-administration of folecitin (30 mg/kg body weight) reduced ethanol-induced oxidative stress, inhibited p-JNK, and deactivated the NLRP3-inflammasome complex. Furthermore, folecitin administration reduced neuroinflammatory and neurodegenerative protein markers, including decreased caspase-3, BCL-2-associated X protein (BAX), B cell CLL/lymphoma 2 (BCL-2), and poly (ADP-ribose) polymerase-1 (PARP-1) expression in the immature rat brain. These findings conclude that folecitin is a flavone compound, and it might be a novel, natural and safe agent to curb oxidative stress and its downstream harmful effects, including inflammasome activation, neuroinflammation, and neurodegeneration. Further evaluation in a dose-dependent manner would be worth it in order to find a suitable dose regimen for NDs.
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Affiliation(s)
- Umar Farooq
- Department of Pharmacy, Abbottabad Campus, COMSATS University Islamabad, Abbottabad 22060, Pakistan;
| | - Taous Khan
- Department of Pharmacy, Abbottabad Campus, COMSATS University Islamabad, Abbottabad 22060, Pakistan;
| | - Shahid Ali Shah
- Department of Chemistry, Sarhad University of Science and Information Technology, Peshawar 25000, Pakistan; (S.A.S.); (Y.A.)
- Neuromolecular Medicine Research Center, Ring Road, Peshawar 25000, Pakistan
| | - Md. Sanower Hossain
- Department of Biomedical Science, Kulliyyah of Allied Health Sciences, International Islamic University Malaysia, Kuantan 25200, Malaysia
- Faculty of Science, Sristy College of Tangail, Tangail 1900, Bangladesh
| | - Yousaf Ali
- Department of Chemistry, Sarhad University of Science and Information Technology, Peshawar 25000, Pakistan; (S.A.S.); (Y.A.)
| | - Rahim Ullah
- Department of Pharmacy, University of Peshawar, Peshawar 25120, Pakistan;
| | - Naila Raziq
- Department of Pharmacy, Sarhad University of Science and Information Technology, Peshawar 25000, Pakistan; (N.R.); (M.S.)
| | - Muhammad Shahid
- Department of Pharmacy, Sarhad University of Science and Information Technology, Peshawar 25000, Pakistan; (N.R.); (M.S.)
| | - Raffaele Capasso
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy
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16
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Farooq U, Khan T, Shah SA, Hossain MS, Ali Y, Ullah R, Raziq N, Shahid M, Capasso R. Isolation, Characterization and Neuroprotective Activity of Folecitin: An In Vivo Study. LIFE (BASEL, SWITZERLAND) 2021. [PMID: 34440569 DOI: 10.3390/life11080825/s1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Neurodegenerative diseases (NDs) extend the global health burden. Consumption of alcohol as well as maternal exposure to ethanol can damage several neuronal functions and cause cognition and behavioral abnormalities. Ethanol induces oxidative stress that is linked to the development of NDs. Treatment options for NDs are yet scarce, and natural product-based treatments could facilitate ND management since plants possess plenty of bioactive metabolites, including flavonoids, which typically demonstrate antioxidant and anti-inflammatory properties. Hypericum oblongifolium is an important traditional medicinal plant used for hepatitis, gastric ulcer, external wounds, and other gastrointestinal disorders. However, it also possesses multiple bioactive compounds and antioxidant properties, but the evaluation of isolated pure compounds for neuroprotective efficacy has not been done yet. Therefore, in the current study, we aim to isolate and characterize the bioactive flavonoid folecitin and evaluate its neuroprotective activity against ethanol-induced oxidative-stress-mediated neurodegeneration in the hippocampus of postnatal day 7 (PND-7) rat pups. A single dose of ethanol (5 g/kg body weight) was intraperitoneally administered after the birth of rat pups on PND-7. This caused oxidative stress accompanied by the activation of phosphorylated-c-Jun N-terminal kinase (p-JNK), nod-like receptor family pyrin domain containing 3 (NLRP3), apoptosis-associated speck-like protein (ASC), and cysteine-aspartic acid protease-1 (caspase-1) proteins to form a complex called the NLRP3-inflammasome, which converts pro-interleukin 1 beta (IL-1B) to activate IL-1B and induce widespread neuroinflammation and neurodegeneration. In contrast, co-administration of folecitin (30 mg/kg body weight) reduced ethanol-induced oxidative stress, inhibited p-JNK, and deactivated the NLRP3-inflammasome complex. Furthermore, folecitin administration reduced neuroinflammatory and neurodegenerative protein markers, including decreased caspase-3, BCL-2-associated X protein (BAX), B cell CLL/lymphoma 2 (BCL-2), and poly (ADP-ribose) polymerase-1 (PARP-1) expression in the immature rat brain. These findings conclude that folecitin is a flavone compound, and it might be a novel, natural and safe agent to curb oxidative stress and its downstream harmful effects, including inflammasome activation, neuroinflammation, and neurodegeneration. Further evaluation in a dose-dependent manner would be worth it in order to find a suitable dose regimen for NDs.
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Affiliation(s)
- Umar Farooq
- Department of Pharmacy, Abbottabad Campus, COMSATS University Islamabad, Abbottabad 22060, Pakistan
| | - Taous Khan
- Department of Pharmacy, Abbottabad Campus, COMSATS University Islamabad, Abbottabad 22060, Pakistan
| | - Shahid Ali Shah
- Department of Chemistry, Sarhad University of Science and Information Technology, Peshawar 25000, Pakistan
- Neuromolecular Medicine Research Center, Ring Road, Peshawar 25000, Pakistan
| | - Md Sanower Hossain
- Department of Biomedical Science, Kulliyyah of Allied Health Sciences, International Islamic University Malaysia, Kuantan 25200, Malaysia
- Faculty of Science, Sristy College of Tangail, Tangail 1900, Bangladesh
| | - Yousaf Ali
- Department of Chemistry, Sarhad University of Science and Information Technology, Peshawar 25000, Pakistan
| | - Rahim Ullah
- Department of Pharmacy, University of Peshawar, Peshawar 25120, Pakistan
| | - Naila Raziq
- Department of Pharmacy, Sarhad University of Science and Information Technology, Peshawar 25000, Pakistan
| | - Muhammad Shahid
- Department of Pharmacy, Sarhad University of Science and Information Technology, Peshawar 25000, Pakistan
| | - Raffaele Capasso
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy
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