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Aono Y, Saito K, Kawashima H, Watanabe A, Kono T, Hashizume-Takizawa T, Okada H, Kosuge Y, Senpuku H, Waddington JL, Saigusa T. Lipopolysaccharides derived from Porphyromonas gingivalis and Escherichia coli: Differential and interactive effects on novelty-induced hyperlocomotion, blood cytokine levels and TLR4-related processes. PLoS One 2024; 19:e0292830. [PMID: 38857232 PMCID: PMC11164397 DOI: 10.1371/journal.pone.0292830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Accepted: 05/01/2024] [Indexed: 06/12/2024] Open
Abstract
Lipopolysaccharide (LPS), a component of the Gram-negative bacterial cell wall, activates Toll-like receptors (TLRs). Porphyromonas gingivalis (Pg) may be involved in the progression of periodontal disease. Mice exposed to a novel environment show hyperlocomotion that is inhibited by systemic administration of LPS derived from Escherichia coli (Ec-LPS). However, whether Pg-LPS influences novelty-induced locomotion is unknown. Accordingly, we carried out an open field test to analyse the effects of Pg-LPS. For comparison, effects of Ec-LPS were also studied. We additionally investigated the influence of systemic administration of Pg-LPS or Ec-LPS on IL-6, TNF-alpha, and IL-10 levels in blood, as they could be involved in the changes in locomotion. The TLR4 receptor antagonist TAK-242 was used to study the involvement of TLR4. Since Pg-LPS may block TLR4 in vitro, we analysed the effects of Pg-LPS on Ec-LPS-induced changes in behavioural and biochemical parameters. Male ddY mice were used. Pg- or Ec-LPS and TAK-242 were administered intraperitoneally. Ec-LPS (840 μg/kg), but not Pg-LPS (100, 500 and 840 μg/kg), inhibited novelty-induced locomotion, which was antagonized by TAK-242 (3.0 mg/kg). Ec-LPS (840 μg/kg) increased blood levels of IL-6 and IL-10, which were antagonized by TAK-242 (3.0 mg/kg). However, TAK-242 did not inhibit Ec-LPS-induced increases in TNF-alpha levels in blood. Pg-LPS (100, 500, and 840 μg/kg) did not alter blood IL-6, TNF-alpha, or IL-10 levels. The Ec-LPS-induced increase in blood IL-10, but not IL-6 and TNF-alpha, levels was inhibited by Pg-LPS (500 μg/kg). These results suggest that TLR4 stimulation mediates the inhibition of novel environment-induced locomotion in mice following systemic administration of Ec-LPS, while also increasing blood IL-6 and IL-10 levels. In contrast, Pg-LPS did not exhibit these effects. The present study also provides in vivo evidence that Pg-LPS can inhibit TLR4-mediated increases in blood levels of IL-10, a cytokine thought to prevent the development of periodontal disease.
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Affiliation(s)
- Yuri Aono
- Department of Pharmacology, Nihon University School of Dentistry at Matsudo, Sakaecho-Nishi, Matsudo, Chiba, Japan
| | - Koji Saito
- Nihon University Graduate School of Dentistry at Matsudo, Oral Molecular Pharmacology, Sakaecho-Nishi, Matsudo, Chiba, Japan
| | - Hiroki Kawashima
- Department of Pharmacology, Nihon University School of Dentistry at Matsudo, Sakaecho-Nishi, Matsudo, Chiba, Japan
| | - Arata Watanabe
- Department of Histology, Nihon University School of Dentistry at Matsudo, Sakaecho-Nishi, Matsudo, Chiba, Japan
| | - Tetsuro Kono
- Department of Histology, Nihon University School of Dentistry at Matsudo, Sakaecho-Nishi, Matsudo, Chiba, Japan
| | - Tomomi Hashizume-Takizawa
- Department of Microbiology and Immunology, Nihon University School of Dentistry at Matsudo, Sakaecho-Nishi, Matsudo, Chiba, Japan
| | - Hiroyuki Okada
- Department of Histology, Nihon University School of Dentistry at Matsudo, Sakaecho-Nishi, Matsudo, Chiba, Japan
| | - Yasuhiro Kosuge
- Laboratory of Pharmacology, Nihon University School of Pharmacy, Narashinodai, Funabashi, Chiba, Japan
| | - Hidenobu Senpuku
- Department of Microbiology and Immunology, Nihon University School of Dentistry at Matsudo, Sakaecho-Nishi, Matsudo, Chiba, Japan
| | - John L. Waddington
- School of Pharmacy and Biomolecular Sciences, RCSI University of Medicine and Health Sciences, St. Stephen’s Green, Dublin, Ireland
| | - Tadashi Saigusa
- Department of Pharmacology, Nihon University School of Dentistry at Matsudo, Sakaecho-Nishi, Matsudo, Chiba, Japan
- Nihon University Graduate School of Dentistry at Matsudo, Oral Molecular Pharmacology, Sakaecho-Nishi, Matsudo, Chiba, Japan
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Li Y, Wang YX, Tang XM, Liang P, Chen JJ, Jiang F, Yang Q, Liang YD. Haplotype analysis of long-chain non-coding RNA NONHSAT102891 promoter polymorphisms and depression in Chinese individuals: A case-control association study. World J Psychiatry 2023; 13:1005-1015. [PMID: 38186730 PMCID: PMC10768487 DOI: 10.5498/wjp.v13.i12.1005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/13/2023] [Accepted: 11/09/2023] [Indexed: 12/19/2023] Open
Abstract
BACKGROUND Our previous study reported that the single-nucleotide polymorphism (SNP) rs155979 GC in the promoter region of long-chain non-coding RNA (lncRNA) NONHSAT102891 affects depression susceptibility in a Chinese population. AIM To explored associations of two SNPs and haplotypes in the lncRNA NONHSAT102891 promoter region with depression susceptibility in Chinese population. METHODS This this case-control association study was approved by the Ethics Committee of Chengdu Medical College (approval number: 201815). Patient diagnosis was based on DSM-IV criteria. We selected a total of 480 patients with depression and 329 healthy controls with no history of psychopathology, and performed genotyping of two SNPs by extracting peripheral venous blood samples from the subjects. The function of the two lncRNA NONHSAT102891 promoter G/C and A/T haplotypes was detected by dual-luciferase reporter assays of human embryonic kidney 293T transfected cells. RESULTS Stratified analysis of clinical and genotypic characteristics of our cohort showed that the degree of mild depressive episodes associated with the rs6230 TC/CC genotype increased by 1.59 times [TC/CC vs TT: odds ratio (OR) = 1.59, 95% confidence interval (CI): 1.08-2.35, P = 0.019]. The haploid analysis revealed linkage disequilibrium between rs3792747 and rs6230, and the double SNP CG haplotype was more common in the control group compared to case group, indicating that this haplotype significantly reduced the risk of depression (C/G vs T/A: OR = 0.42, 95%CI: 0.21-0.83, P = 0.01). There was no significant difference in the dual-luciferase reporter activity of the G/C and A/T haplotypes compared with the control group (P > 0.05), indicating that the double SNP haplotype has no transcriptional activity. CONCLUSION The rs3792747 and rs6230 CG haplotypes of the lncRNA NONHSA T102891 promoter may be related to a reduced risk of depression in the Han Chinese population.
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Affiliation(s)
- Yue Li
- Department of Pathology and Pathophysiology, Chengdu Medical College, Chengdu 610500, Sichuan Province, China
| | - Yi-Xi Wang
- Department of Pathology and Pathophysiology, Chengdu Medical College, Chengdu 610500, Sichuan Province, China
| | - Xing-Ming Tang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Peng Liang
- Department of Pathology and Pathophysiology, Chengdu Medical College, Chengdu 610500, Sichuan Province, China
| | - Jing-Jie Chen
- Department of Pathology and Pathophysiology, Chengdu Medical College, Chengdu 610500, Sichuan Province, China
| | - Feng Jiang
- Department of Pathology and Pathophysiology, Chengdu Medical College, Chengdu 610500, Sichuan Province, China
| | - Qiang Yang
- Department of Pathology and Pathophysiology, Chengdu Medical College, Chengdu 610500, Sichuan Province, China
| | - Yun-Dan Liang
- Department of Pathology and Pathophysiology, Chengdu Medical College, Chengdu 610500, Sichuan Province, China
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Abdel Rasheed NO, Shiha NA, Mohamed SS, Ibrahim WW. SIRT1/PARP-1/NLRP3 cascade as a potential target for niacin neuroprotective effect in lipopolysaccharide-induced depressive-like behavior in mice. Int Immunopharmacol 2023; 123:110720. [PMID: 37562290 DOI: 10.1016/j.intimp.2023.110720] [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: 05/16/2023] [Revised: 07/23/2023] [Accepted: 07/26/2023] [Indexed: 08/12/2023]
Abstract
Depression is a serious mood disorder characterized by monoamines deficiency, oxidative stress, neuroinflammation, and cell death. Niacin (vitamin B3 or nicotinic acid, NA), a chief mediator of neuronal development and survival in the central nervous system, exerts neuroprotective effects in several experimental models. AIMS This study aimed to investigate the effect of NA in lipopolysaccharide (LPS) mouse model of depression exploring its ability to regulate sirtuin1/poly (ADP-ribose) polymerase-1 (PARP-1)/nod-likereceptor protein 3 (NLRP3) signaling. MAIN METHODS Mice were injected with LPS (500 µg/kg, i.p) every other day alone or concurrently with oral doses of either NA (40 mg/kg/day) or escitalopram (10 mg/kg/day) for 14 days. KEY FINDINGS Administration of NA resulted in significant attenuation of animals' despair reflected by decreased immobility time in forced swimming test. Moreover, NA induced monoamines upsurge in addition to sirtuin1 activation with subsequent down regulation of PARP-1 in the hippocampus. Further, it diminished nuclear factor-κB (NF-κB) levels and inhibited NLRP3 inflammasome with consequent reduction of caspase-1, interleukin-1β and tumor necrosis factor-α levels, thus mitigating LPS-induced neuroinflammation. NA also reduced tumor suppressor protein (p53) while elevating brain-derived neurotrophic factor levels. LPS-induced decline in neuronal survival was reversed by NA administration with an obvious increase in the number of intact cells recorded in the histopathological micrographs. SIGNIFICANCE Accordingly, NA is deemed as a prosperous candidate for depression management via targeting SIRT1/PARP-1 pathway.
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Affiliation(s)
- Nora O Abdel Rasheed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
| | - Nesma A Shiha
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Sarah S Mohamed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Weam W Ibrahim
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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Arshad HM, Ahmad FUD, Lodhi AH. Methanolic Extract of Aerva javanica Leaves Prevents LPS-Induced Depressive Like Behavior in Experimental Mice. Drug Des Devel Ther 2022; 16:4179-4204. [PMID: 36514526 PMCID: PMC9741839 DOI: 10.2147/dddt.s383054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022] Open
Abstract
Aim Depression is a chronic recurrent neuropsychiatric disorder associated with inflammation. This study explored the pharmacological activities of Aerva javanica leaves crude extract (Aj.Cr) on lipopolysaccharide (LPS)-induced depressive-like behavior in experimental mice. Methods Aj.Cr was evaluated for its phenolic and flavonoid contents, bioactive potential, amino acid profiling and enzyme inhibition assays using different analytical techniques followed by in-silico molecular docking was performed. In addition, three ligands identified in HPLC analysis and standard galantamine were docked to acetyl cholinesterase (AchE) enzyme to assess the ligand interaction along with their binding affinities. In in-vivo analysis, mice were given normal saline (10 mL/kg), imipramine (10 mg/kg) and Aj.Cr (100, 300, and 500 mg/kg) orally for 14-consecutive days. On the 14th day, respective treatment was given 30-minutes before intra-peritoneal administration of (0.83 mg/kg) LPS. Open field, forced swim and tail suspension tests were performed 24-hours after LPS injection, followed by a sucrose preference test 48-hours later. Serum corticosterone levels, as well as levels of nitric oxide (NO), malondialdehyde (MDA), glutathione (GSH), superoxide dismutase (SOD), catalase (CAT), tumor necrosis factor-alpha (TNF-), interleukin-1β (IL-1β), interleukin-6 (IL-6), brain-derived neurotrophic factor (BDNF) and catecholamines were determined in brain tissues. Results In-vitro results revealed that crude extract of Aj.Cr possesses anti-depressant agents with solid antioxidant potential. In-vivo analysis showed that LPS significantly increased depressive-like behavior followed by alteration in serum and tissue biomarkers as compared to normal control (p < 0.001). While imipramine and Aj.Cr (100, 300, and 500 mg/kg) treated groups significantly (p<0.05) improved the depressive-like behavior and biomarkers when compared to the LPS group. Conclusion The mitigation of LPS-induced depressive-like behavior by Aj.Cr may be linked to the modulation of oxidative stress, neuro-inflammation and catecholamines due to the presence of potent bioactive compounds exerting anti-depressant effects.
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Affiliation(s)
- Hafiza Maida Arshad
- Department of Pharmacology, Faculty of Pharmacy, the Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Fiaz-ud-Din Ahmad
- Department of Pharmacology, Faculty of Pharmacy, the Islamia University of Bahawalpur, Bahawalpur, Pakistan,Correspondence: Fiaz-ud-Din Ahmad, Department of Pharmacology, the Islamia University of Bahawalpur, Pakistan Khawaja Fareed Campus, Railway Road, Bahawalpur, 63100, Pakistan, Tel +92-320-8402376, Email
| | - Arslan Hussain Lodhi
- Department of Pharmacology, Faculty of Pharmacy, the Islamia University of Bahawalpur, Bahawalpur, Pakistan
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Liu D, Zhang J, Chen J, Zhang C, Yi H, Liu D. Carrot-based fermentation juice rich in sleep-promoting components improved sleep in mice. Front Nutr 2022; 9:1043055. [PMID: 36523330 PMCID: PMC9745110 DOI: 10.3389/fnut.2022.1043055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 11/10/2022] [Indexed: 08/27/2023] Open
Abstract
The impact of fermentation by Levilactobacillus brevis YSJ3 on sleep-promoting components (SPCs) of carrot juice was evaluated. The contents of acetic acid, isovaleric acid, butyric acid, and γ-aminobutyric acid (GABA) significantly increased after fermentation. The beneficial effects of fermented carrot juice (FCJ) on sleep were evaluated in animal experiments. Behavioral test reveal SPCs-enriched FCJ could effectively relieve anxiety. The sleep duration in the FCJ group were extended compared to the control (NC) group and the unfermented carrot juice (UCJ) group. Moreover, the relative abundances of Ruminiclostridium and Akkermansia in the FCJ group and PC group, respectively, increased significantly, compared to the NC group the UCJ group. The contents of gut short-chain fatty acids in the FCJ group were significantly higher than that in the NC group and the UCJ group. The levels of GABA and 5-hydroxytryptamine in the brain for the FCJ group also increased significantly, compared to the NC group and the UCJ group. It indicated that SPCs-enriched FCJ effectively improved sleep in mice, which might be related to the fermentation of carrot juice and the compounds produced during the fermentation.
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Affiliation(s)
- Daiyao Liu
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, China
- Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, China
| | - Jianming Zhang
- Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, China
| | - Juan Chen
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, China
- Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, China
| | - Chengcheng Zhang
- Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, China
| | - Huaxi Yi
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, China
| | - Daqun Liu
- Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, China
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Zhou T, Li M, Xiao Z, Cai J, Zhao W, Duan J, Yang Z, Guo Z, Chen Y, Cai W, Huang P, He C, Xu F. Chronic Stress-Induced Gene Changes In Vitro and In Vivo: Potential Biomarkers Associated With Depression and Cancer Based on circRNA- and lncRNA-Associated ceRNA Networks. Front Oncol 2021; 11:744251. [PMID: 34650925 PMCID: PMC8507324 DOI: 10.3389/fonc.2021.744251] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 09/02/2021] [Indexed: 12/18/2022] Open
Abstract
Circular RNAs (circRNAs) and long noncoding RNAs (lncRNAs) have been considered as biomarkers or regulators in many diseases. However, the exact role of circRNA- or lncRNA-mediated competing endogenous RNA (ceRNA) networks in the modulation of depression pathogenesis-relevant processes is not clear. In this study, we profiled whole transcriptome in depression patients’ blood samples via microarray analysis. As a result, a total of 340 circRNAs, 398 lncRNAs, 206 miRNAs, and 92 mRNAs were differentially expressed between the depression and control groups. Then, we constructed ceRNA networks according to the differentially expressed genes (DEGs). Using bioinformatics analysis, 89 pairs of circRNA-ceRNA and 49 pairs of lncRNA-ceRNA networks were obtained. Since depression is a broad and heterogeneous condition that is known as promoter for many chronic diseases including cancer, so we further dug out 28 circRNAs, 61 lncRNAs, 26 miRNAs, and 29 mRNAs that are associated with cancer. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses showed that the DEGs were significantly enriched in cancer-related signaling pathways such as MAPK, Wnt, IL-17, Ras, and PI3K-Akt. Genes involved in the above pathways such as S100A9, GATA2, SRFP5, SLC45A3, NTRK1, FRZB, has_circ_0014221, has_circ_0014220, and has_circ_0087100 were dysregulated in various cancer cell lines by stress hormones induced. HDC, GATA2, SLC45A3, and NTRK1 were downregulated in tumor-bearing mice subjected to chronic unpredictable mild stress (CUMS). LncRNA-mediated ceRNA network validation showed that overexpression of miR-4530 declined HDC level. Our findings highlight the potential circRNA- and lncRNA-mediated ceRNA regulatory mechanisms in the pathogenesis of depression and as potential biomarkers in depression cancer comorbidity through the pathways of IL-17 or histidine metabolism.
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Affiliation(s)
- Ting Zhou
- Department of Pharmacology, China Pharmaceutical University, Nanjing, China.,Department of Pharmacy, Fengxian Hospital, Southern Medical University, Shanghai, China
| | - Mingming Li
- Department of Pharmacy, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Zhijun Xiao
- Department of Pharmacy, Fengxian Hospital, Southern Medical University, Shanghai, China
| | - Jian Cai
- Department of Pharmacy, Fengxian Mental Health Center, Shanghai, China
| | - Weiwei Zhao
- Department of Laboratory Medicine, Fengxian Hospital, Southern Medical University, Shanghai, China
| | - Jingjing Duan
- Department of Pharmacy, Fengxian Hospital, Southern Medical University, Shanghai, China
| | - Zhen Yang
- Department of Central Laboratory, Fengxian Hospital, Southern Medical University, Shanghai, China
| | - Zhijun Guo
- Department of Pharmacy, Fengxian Hospital, Southern Medical University, Shanghai, China
| | - Yitian Chen
- Department of Pharmacy, Fengxian Hospital, Southern Medical University, Shanghai, China
| | - Weijia Cai
- Department of Pharmacy, Fengxian Hospital, Southern Medical University, Shanghai, China
| | - Piaopiao Huang
- Department of Pharmacy, The International Peace Maternity & Child Health Hospital of China Welfare Institute, Shanghai, China
| | - Chaoyong He
- Department of Pharmacology, China Pharmaceutical University, Nanjing, China
| | - Feng Xu
- Department of Pharmacy, Fengxian Hospital, Southern Medical University, Shanghai, China
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Lim DW, Kim M, Yoon M, Lee J, Lee C, Um MY. 1,3-Dicaffeoylquinic Acid as an Active Compound of Arctium lappa Root Extract Ameliorates Depressive-Like Behavior by Regulating Hippocampal Nitric Oxide Synthesis in Ovariectomized Mice. Antioxidants (Basel) 2021; 10:antiox10081281. [PMID: 34439529 PMCID: PMC8389256 DOI: 10.3390/antiox10081281] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/06/2021] [Accepted: 08/10/2021] [Indexed: 01/31/2023] Open
Abstract
Menopause is a risk factor for depression. Although 1,3-dicaffeoylquinic acid (1,3-diCQA), a phenolic compound in Arctium lappa (A. lappa) root, has various health benefits, its effects on menopausal depression remain to be determined. Therefore, this study investigates the antidepressant-like effects of 1,3-diCQA from an A. lappa root extract (AE) and the associated molecular mechanisms. Ovariectomized (OVX) mice were orally administered AE for 20 weeks, following which depression-like behaviors were assessed. Although the mice exhibited depression-like behaviors, AE administration mitigated these symptoms by activating the ERK–CREB–BDNF pathway and increasing nNOS levels in the hippocampus. Similarly, a significant increase in nNOS-derived NO production and activation of the ERK–CREB–BDNF pathway was observed in the primary hippocampal neurons. Although this stimulatory effect of 1,3-diCQA was not significantly affected by treatment with estrogen receptor agonist or antagonist, it was inhibited by 7-NI, an nNOS inhibitor. Moreover, mice treated with 1,3-diCQA exhibited a marked improvement in their forced swimming test and tail suspension test immobility, while pretreatment with 7-NI reversed the antidepressant-like effects of 1,3-diCQA. Our results suggest that 1,3-diCQA regulates nNOS in an estrogen recepters-independent manner to increase NO production in OVX mice.
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Affiliation(s)
- Dong Wook Lim
- Division of Functional Food Research, Korea Food Research Institute, Wanju 55365, Korea; (D.W.L.); (M.Y.); (J.L.); (C.L.)
| | - Minji Kim
- Division of Food Biotechnology, University of Science and Technology, Daejeon 34113, Korea;
| | - Minseok Yoon
- Division of Functional Food Research, Korea Food Research Institute, Wanju 55365, Korea; (D.W.L.); (M.Y.); (J.L.); (C.L.)
| | - Jaekwang Lee
- Division of Functional Food Research, Korea Food Research Institute, Wanju 55365, Korea; (D.W.L.); (M.Y.); (J.L.); (C.L.)
| | - Changho Lee
- Division of Functional Food Research, Korea Food Research Institute, Wanju 55365, Korea; (D.W.L.); (M.Y.); (J.L.); (C.L.)
| | - Min Young Um
- Division of Functional Food Research, Korea Food Research Institute, Wanju 55365, Korea; (D.W.L.); (M.Y.); (J.L.); (C.L.)
- Division of Food Biotechnology, University of Science and Technology, Daejeon 34113, Korea;
- Correspondence: ; Tel.: +82-63-219-9409
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8
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Coutinho-Wolino KS, de F Cardozo LFM, de Oliveira Leal V, Mafra D, Stockler-Pinto MB. Can diet modulate trimethylamine N-oxide (TMAO) production? What do we know so far? Eur J Nutr 2021; 60:3567-3584. [PMID: 33533968 DOI: 10.1007/s00394-021-02491-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 01/08/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND Trimethylamine N-oxide (TMAO) is a metabolite that has attracted attention due to its positive association with several chronic non-communicable diseases such as insulin resistance, atherosclerotic plaque formation, diabetes, cancer, heart failure, hypertension, chronic kidney disease, liver steatosis, cardiac fibrosis, endothelial injury, neural degeneration and Alzheimer's disease. TMAO production results from the fermentation by the gut microbiota of dietary nutrients such as choline and carnitine, which are transformed to trimethylamine (TMA) and converted into TMAO in the liver by flavin-containing monooxygenase 1 and 3 (FMO1 and FMO3). Considering that TMAO is involved in the development of many chronic diseases, strategies have been found to enhance a healthy gut microbiota. In this context, some studies have shown that nutrients and bioactive compounds from food can modulate the gut microbiota and possibly reduce TMAO production. OBJECTIVE This review has as main objective to discuss the studies that demonstrated the effects of food on the reduction of this harmful metabolite. METHODS All relevant articles until November 2020 were included. The articles were searched in Medline through PubMed. RESULTS Both the food is eaten acutely and chronically, by altering the nature of the gut microbiota, influencing colonic TMA production. Furthermore, hepatic production of TMAO by the flavin monooxygenases in the liver may also be influenced by phenolic compounds present in foods. CONCLUSION The evidence presented in this review shows that TMAO levels can be reduced by some bioactive compounds. However, it is crucial to notice that there is significant variation among the studies. Further clinical studies should be conducted to evaluate these dietary components' effectiveness, dose, and intervention time on TMAO levels and its precursors.
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Affiliation(s)
| | - Ludmila F M de F Cardozo
- Postgraduate Program in Cardiovascular Sciences, Faculty of Medicine, Fluminense Federal University, Niterói, Brazil
| | - Viviane de Oliveira Leal
- Division of Nutrition, Pedro Ernesto University Hospital, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil
| | - Denise Mafra
- Postgraduate Program in Nutrition Sciences, Fluminense Federal University (UFF), Niterói, RJ, Brazil.,Postgraduate Program in Cardiovascular Sciences, Faculty of Medicine, Fluminense Federal University, Niterói, Brazil.,Postgraduate Program in Medical Sciences, Faculty of Medicine, Fluminense Federal University, Niterói, Brazil
| | - Milena Barcza Stockler-Pinto
- Postgraduate Program in Nutrition Sciences, Fluminense Federal University (UFF), Niterói, RJ, Brazil.,Postgraduate Program in Cardiovascular Sciences, Faculty of Medicine, Fluminense Federal University, Niterói, Brazil
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