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Yao Y, Du J, Wang D, Li N, Tao Z, Wu D, Peng F, Shi J, Zhou W, Zhao T, Tang Y. High-intensity interval training ameliorates postnatal immune activation-induced mood disorders through KDM6B-regulated glial activation. Brain Behav Immun 2024; 120:290-303. [PMID: 38851307 DOI: 10.1016/j.bbi.2024.06.006] [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: 02/17/2024] [Revised: 05/15/2024] [Accepted: 06/05/2024] [Indexed: 06/10/2024] Open
Abstract
Postnatal immune activation (PIA) induces persistent glial activation in the brain and causes various neuropathologies in adults. Exercise training improves stress-related mood disorders; however, the role of exercise in psychiatric disorders induced by early-life immune activation and the association between exercise training and glial activation remain unclear. We compared the effects of different exercise intensities on the PIA model, including high-intensity interval training (HIIT) and moderate-intensity continuous training (MICT). Both HIIT and MICT in adolescent mice inhibited neuroinflammation, remodeled synaptic plasticity, and improved PIA-induced mood disorders in adulthood. Importantly, HIIT was superior to MICT in terms of reducing inflammation and increasing body weight. RNA-seq of prefrontal cortex (PFC) tissues revealed a gene expression pattern, confirming that HIIT was more effective than MICT in improving brain glial cell activation through epigenetic modifications of KDM6B. We investigated the role of KDM6B, a specific histone lysine demethylation enzyme - histone 3 lysine 27 demethylase, in inhibiting glial activation against PIA-induced depression and anxiety by regulating the expression of IL-4 and brain-derived neurotrophic factor (BDNF). Overall, our data support the idea that HIIT improves PIA-induced mood disorders by regulating KDM6B-mediated epigenetic mechanisms and indicate that HIIT might be superior to MICT in improving mood disorders with PIA in mice. Our findings provide new insights into the treatment of anxiety and depression disorders.
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Affiliation(s)
- Yuan Yao
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Research Center for Sectional and Imaging Anatomy, Key Laboratory of Experimental Teratology of the Ministry of Education, Shandong Key Laboratory of Mental Disorders, Shandong Key Laboratory of Digital Human and Clinical Anatomy, Jinan, Shandong 250012, China; Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong, 250012, China
| | - Jingyi Du
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Research Center for Sectional and Imaging Anatomy, Key Laboratory of Experimental Teratology of the Ministry of Education, Shandong Key Laboratory of Mental Disorders, Shandong Key Laboratory of Digital Human and Clinical Anatomy, Jinan, Shandong 250012, China
| | - Dongshuang Wang
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Research Center for Sectional and Imaging Anatomy, Key Laboratory of Experimental Teratology of the Ministry of Education, Shandong Key Laboratory of Mental Disorders, Shandong Key Laboratory of Digital Human and Clinical Anatomy, Jinan, Shandong 250012, China
| | - Naigang Li
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Research Center for Sectional and Imaging Anatomy, Key Laboratory of Experimental Teratology of the Ministry of Education, Shandong Key Laboratory of Mental Disorders, Shandong Key Laboratory of Digital Human and Clinical Anatomy, Jinan, Shandong 250012, China
| | - Zhouhang Tao
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Research Center for Sectional and Imaging Anatomy, Key Laboratory of Experimental Teratology of the Ministry of Education, Shandong Key Laboratory of Mental Disorders, Shandong Key Laboratory of Digital Human and Clinical Anatomy, Jinan, Shandong 250012, China
| | - Dong Wu
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Research Center for Sectional and Imaging Anatomy, Key Laboratory of Experimental Teratology of the Ministry of Education, Shandong Key Laboratory of Mental Disorders, Shandong Key Laboratory of Digital Human and Clinical Anatomy, Jinan, Shandong 250012, China
| | - Fan Peng
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Research Center for Sectional and Imaging Anatomy, Key Laboratory of Experimental Teratology of the Ministry of Education, Shandong Key Laboratory of Mental Disorders, Shandong Key Laboratory of Digital Human and Clinical Anatomy, Jinan, Shandong 250012, China
| | - Jiaming Shi
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Research Center for Sectional and Imaging Anatomy, Key Laboratory of Experimental Teratology of the Ministry of Education, Shandong Key Laboratory of Mental Disorders, Shandong Key Laboratory of Digital Human and Clinical Anatomy, Jinan, Shandong 250012, China; Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong, 250012, China
| | - Wenjuan Zhou
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Research Center for Sectional and Imaging Anatomy, Key Laboratory of Experimental Teratology of the Ministry of Education, Shandong Key Laboratory of Mental Disorders, Shandong Key Laboratory of Digital Human and Clinical Anatomy, Jinan, Shandong 250012, China; Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong, 250012, China
| | - Tiantian Zhao
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Research Center for Sectional and Imaging Anatomy, Key Laboratory of Experimental Teratology of the Ministry of Education, Shandong Key Laboratory of Mental Disorders, Shandong Key Laboratory of Digital Human and Clinical Anatomy, Jinan, Shandong 250012, China.
| | - Yuchun Tang
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Research Center for Sectional and Imaging Anatomy, Key Laboratory of Experimental Teratology of the Ministry of Education, Shandong Key Laboratory of Mental Disorders, Shandong Key Laboratory of Digital Human and Clinical Anatomy, Jinan, Shandong 250012, China; Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong, 250012, China.
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Lian WS, Wu RW, Lin YH, Chen YS, Jahr H, Wang FS. Tricarboxylic Acid Cycle Regulation of Metabolic Program, Redox System, and Epigenetic Remodeling for Bone Health and Disease. Antioxidants (Basel) 2024; 13:470. [PMID: 38671918 PMCID: PMC11047415 DOI: 10.3390/antiox13040470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/07/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Imbalanced osteogenic cell-mediated bone gain and osteoclastic remodeling accelerates the development of osteoporosis, which is the leading risk factor of disability in the elderly. Harmonizing the metabolic actions of bone-making cells and bone resorbing cells to the mineralized matrix network is required to maintain bone mass homeostasis. The tricarboxylic acid (TCA) cycle in mitochondria is a crucial process for cellular energy production and redox homeostasis. The canonical actions of TCA cycle enzymes and intermediates are indispensable in oxidative phosphorylation and adenosine triphosphate (ATP) biosynthesis for osteogenic differentiation and osteoclast formation. Knockout mouse models identify these enzymes' roles in bone mass and microarchitecture. In the noncanonical processes, the metabolites as a co-factor or a substrate involve epigenetic modification, including histone acetyltransferases, DNA demethylases, RNA m6A demethylases, and histone demethylases, which affect genomic stability or chromatin accessibility for cell metabolism and bone formation and resorption. The genetic manipulation of these epigenetic regulators or TCA cycle intermediate supplementation compromises age, estrogen deficiency, or inflammation-induced bone mass loss and microstructure deterioration. This review sheds light on the metabolic functions of the TCA cycle in terms of bone integrity and highlights the crosstalk of the TCA cycle and redox and epigenetic pathways in skeletal tissue metabolism and the intermediates as treatment options for delaying osteoporosis.
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Affiliation(s)
- Wei-Shiung Lian
- Core Laboratory for Phenomics and Diagnostic, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan; (W.-S.L.); (Y.-S.C.)
- Center for Mitochondrial Research and Medicine, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan;
- Department of Medical Research, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan
| | - Re-Wen Wu
- Department of Orthopedic Surgery, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan;
| | - Yu-Han Lin
- Center for Mitochondrial Research and Medicine, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan;
| | - Yu-Shan Chen
- Core Laboratory for Phenomics and Diagnostic, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan; (W.-S.L.); (Y.-S.C.)
- Department of Medical Research, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan
| | - Holger Jahr
- Department of Anatomy and Cell Biology, University Hospital RWTH, 52074 Aachen, Germany;
- Department of Orthopedic Surgery, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
| | - Feng-Sheng Wang
- Core Laboratory for Phenomics and Diagnostic, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan; (W.-S.L.); (Y.-S.C.)
- Center for Mitochondrial Research and Medicine, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan;
- Department of Medical Research, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan
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Li B, Zhang X, Zhang Q, Zheng T, Li Q, Yang S, Shao J, Guan W, Zhang S. Nutritional strategies to reduce intestinal cell apoptosis by alleviating oxidative stress. Nutr Rev 2024:nuae023. [PMID: 38626282 DOI: 10.1093/nutrit/nuae023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/18/2024] Open
Abstract
The gut barrier is the first line of defense against harmful substances and pathogens in the intestinal tract. The balance of proliferation and apoptosis of intestinal epithelial cells (IECs) is crucial for maintaining the integrity of the intestinal mucosa and its function. However, oxidative stress and inflammation can cause DNA damage and abnormal apoptosis of the IECs, leading to the disruption of the intestinal epithelial barrier. This, in turn, can directly or indirectly cause various acute and chronic intestinal diseases. In recent years, there has been a growing understanding of the vital role of dietary ingredients in gut health. Studies have shown that certain amino acids, fibers, vitamins, and polyphenols in the diet can protect IECs from excessive apoptosis caused by oxidative stress, and limit intestinal inflammation. This review aims to describe the molecular mechanism of apoptosis and its relationship with intestinal function, and to discuss the modulation of IECs' physiological function, the intestinal epithelial barrier, and gut health by various nutrients. The findings of this review may provide a theoretical basis for the use of nutritional interventions in clinical intestinal disease research and animal production, ultimately leading to improved human and animal intestinal health.
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Affiliation(s)
- Baofeng Li
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Xiaoli Zhang
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Qianzi Zhang
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Tenghui Zheng
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Qihui Li
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Siwang Yang
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Jiayuan Shao
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Wutai Guan
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Shihai Zhang
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
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Chargo NJ, Kang HJ, Das S, Jin Y, Rockwell C, Cho JY, McCabe LR, Parameswaran N. Korean red ginseng extract prevents bone loss in an oral model of glucocorticoid induced osteoporosis in mice. Front Pharmacol 2024; 15:1268134. [PMID: 38533264 PMCID: PMC10963623 DOI: 10.3389/fphar.2024.1268134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 02/20/2024] [Indexed: 03/28/2024] Open
Abstract
The gut microbiota and barrier function play important roles in bone health. We previously demonstrated that chronic glucocorticoid (GC)-induced bone loss in mice is associated with significant shifts in gut microbiota composition and impaired gut barrier function. Korean Red Ginseng (KRG, Panax Ginseng Meyer, Araliaceae) extract has been shown to prevent glucocorticoid-induced osteoporosis (GIO) in a subcutaneous pellet model in mice, but its effect on gut microbiota and barrier function in this context is not known. The overall goal of this study was to test the effect of KRG extract in a clinically relevant, oral model of GIO and further investigate its role in modulating the gut-bone axis. Growing male mice (CD-1, 8 weeks) were treated with 75 μg/mL corticosterone (∼9 mg/kg/day) or 0.4% ethanol vehicle in the drinking water for 4 weeks. During this 4-week period, mice were treated daily with 500 mg/kg/day KRG extract dissolved in sterile water or an equal amount of sterile water via oral gastric gavage. After 4 weeks of treatment, we assessed bone volume, microbiota composition, gut barrier integrity, and immune cells in the bone marrow (BM) and mesenteric lymph nodes (MLNs). 4 weeks of oral GC treatment caused significant distal femur trabecular bone loss, and this was associated with changes in gut microbiota composition, impaired gut barrier function and altered immune cell composition. Importantly, KRG extract prevented distal femur trabecular bone loss and caused significant alterations in gut microbiota composition but had only modest effects on gut barrier function and immune cell populations. Taken together, these results demonstrate that KRG extract significantly modulates the gut microbiota-bone axis and prevents glucocorticoid-induced bone loss in mice.
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Affiliation(s)
- Nicholas J. Chargo
- Department of Physiology, Michigan State University, East Lansing, MI, United States
- College of Osteopathic Medicine, Michigan State University, East Lansing, MI, United States
| | - Ho Jun Kang
- Department of Physiology, Michigan State University, East Lansing, MI, United States
| | - Subhashari Das
- Department of Physiology, Michigan State University, East Lansing, MI, United States
| | - Yining Jin
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States
| | - Cheryl Rockwell
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, Republic of Korea
| | - Laura R. McCabe
- Department of Physiology, Michigan State University, East Lansing, MI, United States
- College of Osteopathic Medicine, Michigan State University, East Lansing, MI, United States
| | - Narayanan Parameswaran
- Department of Physiology, Michigan State University, East Lansing, MI, United States
- College of Human Medicine, Michigan State University, East Lansing, MI, United States
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5
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Bose S, Sharan K. Effect of probiotics on postmenopausal bone health: a preclinical meta-analysis. Br J Nutr 2024; 131:567-580. [PMID: 37869975 DOI: 10.1017/s0007114523002362] [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] [Indexed: 10/24/2023]
Abstract
Postmenopausal osteoporosis is a major concern for women worldwide due to increased risk of fractures and diminished bone quality. Recent research on gut microbiota has suggested that probiotics can combat various diseases, including postmenopausal bone loss. Although several preclinical studies have explored the potential of probiotics in improving postmenopausal bone loss, the results have been inconsistent and the mechanism of action remains unclear. To address this, a meta-analysis was conducted to determine the effect of probiotics on animal models of postmenopausal osteoporosis. The bone parameters studied were bone mineral density (BMD), bone volume fractions (BV/TV), and hallmarks of bone formation and resorption. Pooled analysis showed that probiotic treatment significantly improves BMD and BV/TV of the ovariectomised animals. Probiotics, while not statistically significant, exhibited a tendency towards enhancing bone formation and reducing bone resorption. Next, we compared the effects of Lactobacillus sp. and Bifidobacterium sp. on osteoporotic bone. Both probiotics improved BMD and BV/TV compared with control, but Lactobacillus sp. had a larger effect size. In conclusion, our findings suggest that probiotics have the potential to improve bone health and prevent postmenopausal osteoporosis. However, further studies are required to investigate the effect of probiotics on postmenopausal bone health in humans.
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Affiliation(s)
- Shibani Bose
- Department of Molecular Nutrition, CSIR-Central Food Technological Research Institute, Mysuru570020, India
| | - Kunal Sharan
- Department of Molecular Nutrition, CSIR-Central Food Technological Research Institute, Mysuru570020, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad201002, India
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Chargo NJ, Schepper JD, Rios‐Arce N, Kang HJ, Gardinier JD, Parameswaran N, McCabe LR. Lactobacillus Reuteri 6475 Prevents Bone Loss in a Clinically Relevant Oral Model of Glucocorticoid-Induced Osteoporosis in Male CD-1 Mice. JBMR Plus 2023; 7:e10805. [PMID: 38130770 PMCID: PMC10731127 DOI: 10.1002/jbm4.10805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 07/06/2023] [Accepted: 07/28/2023] [Indexed: 12/23/2023] Open
Abstract
Glucocorticoids (GCs) are commonly used anti-inflammatory medications with significant side effects, including glucocorticoid-induced osteoporosis (GIO). We have previously demonstrated that chronic subcutaneous GC treatment in mice leads to gut barrier dysfunction and trabecular bone loss. We further showed that treating with probiotics or barrier enhancers improves gut barrier function and prevents GIO. The overall goal of this study was to test if probiotics could prevent GC-induced gut barrier dysfunction and bone loss in a clinically relevant oral-GC model of GIO. Eight-week-old male CD-1 mice were treated with vehicle or corticosterone in the drinking water for 4 weeks and administered probiotics Lactobacillus reuteri ATCC 6475 (LR 6475) or VSL#3 thrice weekly via oral gavage. As expected, GC treatment led to significant gut barrier dysfunction (assessed by measuring serum endotoxin levels) and bone loss after 4 weeks. Serum endotoxin levels significantly and negatively correlated with bone volume. Importantly, LR 6475 treatment effectively prevented both GC-induced increase in serum endotoxin and trabecular bone loss. VSL#3 had intermediate results, not differing from either control or GC-treated animals. GC-induced reductions in femur length, cortical thickness, and cortical area were not affected by probiotic treatment. Taken together, these results are the first to demonstrate that LR 6475 effectively prevents the detrimental effects of GC treatment on gut barrier, which correlates with enhanced trabecular bone health in an oral mouse model of GIO. © 2023 The Authors. JBMR Plus published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Nicholas J Chargo
- Department of PhysiologyMichigan State UniversityEast LansingMIUSA
- College of Osteopathic MedicineMichigan State UniversityEast LansingMIUSA
| | | | - Naoimy Rios‐Arce
- Department of PhysiologyMichigan State UniversityEast LansingMIUSA
| | - Ho Jun Kang
- Department of PhysiologyMichigan State UniversityEast LansingMIUSA
| | | | - Narayanan Parameswaran
- Department of PhysiologyMichigan State UniversityEast LansingMIUSA
- College of Human MedicineMichigan State UniversityEast LansingMIUSA
| | - Laura R McCabe
- Department of PhysiologyMichigan State UniversityEast LansingMIUSA
- College of Osteopathic MedicineMichigan State UniversityEast LansingMIUSA
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Gupta SK, Vyavahare S, Duchesne Blanes IL, Berger F, Isales C, Fulzele S. Microbiota-derived tryptophan metabolism: Impacts on health, aging, and disease. Exp Gerontol 2023; 183:112319. [PMID: 37898179 DOI: 10.1016/j.exger.2023.112319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/05/2023] [Accepted: 10/25/2023] [Indexed: 10/30/2023]
Abstract
The intricate interplay between gut microbiota and the host is pivotal in maintaining homeostasis and health. Dietary tryptophan (TRP) metabolism initiates a cascade of essential endogenous metabolites, including kynurenine, kynurenic acid, serotonin, and melatonin, as well as microbiota-derived Trp metabolites like tryptamine, indole propionic acid (IPA), and other indole derivatives. Notably, tryptamine and IPA, among the indole metabolites, exert crucial roles in modulating immune, metabolic, and neuronal responses at both local and distant sites. Additionally, these metabolites demonstrate potent antioxidant and anti-inflammatory activities. The levels of microbiota-derived TRP metabolites are intricately linked to the gut microbiota's health, which, in turn, can be influenced by age-related changes. This review aims to comprehensively summarize the cellular and molecular impacts of tryptamine and IPA on health and aging-related complications. Furthermore, we explore the levels of tryptamine and IPA and their corresponding bacteria in select diseased conditions, shedding light on their potential significance as biomarkers and therapeutic targets.
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Affiliation(s)
- Sonu Kumar Gupta
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Sagar Vyavahare
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Ian L Duchesne Blanes
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Ford Berger
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Carlos Isales
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA; Centre for Healthy Aging, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Sadanand Fulzele
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA; Centre for Healthy Aging, Medical College of Georgia, Augusta University, Augusta, GA, USA; Department of Cell Biology and Anatomy, Medical College of Georgia, Augusta University, Augusta, GA, USA; Department of Orthopedic Surgery, Medical College of Georgia, Augusta University, Augusta, GA, USA.
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Wei J, Li Z, Fan Y, Feng L, Zhong X, Li W, Guo T, Ning X, Li Z, Ou C. Lactobacillus rhamnosus GG aggravates vascular calcification in chronic kidney disease: A potential role for extracellular vesicles. Life Sci 2023; 331:122001. [PMID: 37625519 DOI: 10.1016/j.lfs.2023.122001] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/24/2023] [Accepted: 08/01/2023] [Indexed: 08/27/2023]
Abstract
AIMS Lactobacillus rhamnosus GG (LGG) is a probiotic with great promise in future clinical application, which can significantly promote bone formation. However, the effect of LGG on CKD-related vascular calcification is unclear. In this study, we aimed to investigate the effect of LGG on CKD-related vascular calcification. MATERIALS AND METHODS After 2 weeks of 5/6 nephrectomy, CKD rats received a special diet (4 % calcium and 1.8 % phosphate) combined with 1,25-dihydroxyvitamin D3 to induce vascular calcification. Meanwhile, CKD rats in the LGG group were gavaged orally with LGG (1 × 109 CFU bacteria/day). 16S RNA amplicon sequencing was performed to analyze the effect of LGG treatment on gut microbiota composition. Furthermore, differential ultracentrifugation was utilized to extract EVs. The effects of EVs on vascular calcification were evaluated in rat VSMCs, rat aortic rings, and CKD rat calcification models. In this study, vascular calcification was assessed by microcomputed tomography analysis, alizarin red staining, calcium content determination, and the expression of osteogenic transcription factors RUNX2 and BMP2. KEY FINDINGS LGG remarkably aggravated vascular calcification. LGG supplementation significantly altered gut microbiota composition in CKD rats, particularly increasing Lactobacillus. Interestingly, EVs presented a significant promoting effect on the development of calcification. Finally, mechanistic analysis proved that EVs aggravated vascular calcification through PI3K/AKT signaling. SIGNIFICANCE These results do not support the supplementation of LGG in CKD-associated vascular calcification patients. Our study presented a fresh perspective on LGG with potential risks and adverse effects. CKD patients should use specific probiotic strains cautiously.
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Affiliation(s)
- Jintao Wei
- The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Southern Medical University, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Dongguan 523018, PR China
| | - Zehua Li
- Department of Cardiology, Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, PR China
| | - Ying Fan
- The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Southern Medical University, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Dongguan 523018, PR China
| | - Liyun Feng
- Department of Cardiology, Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, PR China
| | - Xinglong Zhong
- Department of Cardiology, The Fourth Affiliated Hospital of Guangxi Medical University/Liuzhou Workers' Hospital, Liuzhou, PR China
| | - Weirun Li
- The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Southern Medical University, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Dongguan 523018, PR China
| | - Tingting Guo
- Department of Cardiology, Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, PR China
| | - Xiaodong Ning
- The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Southern Medical University, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Dongguan 523018, PR China
| | - Zhenhua Li
- The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Southern Medical University, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Dongguan 523018, PR China.
| | - Caiwen Ou
- The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Southern Medical University, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Dongguan 523018, PR China.
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Mazzotti A, Langone L, Arceri A, Artioli E, Zielli SO, Bonelli S, Abdi P, Faldini C. Probiotics in Orthopedics: From Preclinical Studies to Current Applications and Future Perspective. Microorganisms 2023; 11:2021. [PMID: 37630580 PMCID: PMC10458220 DOI: 10.3390/microorganisms11082021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/02/2023] [Accepted: 08/04/2023] [Indexed: 08/27/2023] Open
Abstract
In recent years, probiotics have been emerging as an attractive therapeutic strategy for several diseases. In orthopedics, probiotics seem to be a promising supplementation for treatment of osteoporosis, osteoarthritis, muscle loss-related disease, wound and ulcer issues, and prevention of surgical antibiotic prophylaxis side effects. Although probiotics are still not included in guidelines for these conditions, several studies have reported theoretical benefits of their administration. Further high-level clinical trials are necessary to convert research into solid clinical practice. However, probiotics represent a cost-effective future perspective and may play a role in association with traditional orthopedic therapies.
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Affiliation(s)
- Antonio Mazzotti
- 1st Orthopaedics and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy; (A.M.); (L.L.); (E.A.); (S.O.Z.); (S.B.); (P.A.); (C.F.)
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum University of Bologna, 40123 Bologna, Italy
| | - Laura Langone
- 1st Orthopaedics and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy; (A.M.); (L.L.); (E.A.); (S.O.Z.); (S.B.); (P.A.); (C.F.)
| | - Alberto Arceri
- 1st Orthopaedics and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy; (A.M.); (L.L.); (E.A.); (S.O.Z.); (S.B.); (P.A.); (C.F.)
| | - Elena Artioli
- 1st Orthopaedics and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy; (A.M.); (L.L.); (E.A.); (S.O.Z.); (S.B.); (P.A.); (C.F.)
| | - Simone Ottavio Zielli
- 1st Orthopaedics and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy; (A.M.); (L.L.); (E.A.); (S.O.Z.); (S.B.); (P.A.); (C.F.)
| | - Simone Bonelli
- 1st Orthopaedics and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy; (A.M.); (L.L.); (E.A.); (S.O.Z.); (S.B.); (P.A.); (C.F.)
| | - Pejman Abdi
- 1st Orthopaedics and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy; (A.M.); (L.L.); (E.A.); (S.O.Z.); (S.B.); (P.A.); (C.F.)
| | - Cesare Faldini
- 1st Orthopaedics and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy; (A.M.); (L.L.); (E.A.); (S.O.Z.); (S.B.); (P.A.); (C.F.)
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum University of Bologna, 40123 Bologna, Italy
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Liao J, Liu Y, Pei Z, Wang H, Zhu J, Zhao J, Lu W, Chen W. Clostridium butyricum Reduces Obesity in a Butyrate-Independent Way. Microorganisms 2023; 11:1292. [PMID: 37317266 DOI: 10.3390/microorganisms11051292] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/11/2023] [Accepted: 05/13/2023] [Indexed: 06/16/2023] Open
Abstract
Accumulating evidence from recent studies links the gut microbiota to obesity, and microbiome therapy has been examined as a treatment. Clostridium butyricum (C. butyricum), an intestinal symbiont, protects the host from a range of diseases. Studies have shown a negative correlation between the relative abundance of C. butyricum and a predisposition for obesity. However, the physiological function and material basis of C. butyricum for obesity are unclear. Here, five C. butyricum isolates were administered to mice on a high-fat diet (HFD) to determine their anti-obesity effects. All isolates suppressed the formation and inflammation of subcutaneous fat, and the two effective strains considerably reduced weight gain and ameliorated dyslipidemia, hepatic steatosis, and inflammation. These positive effects were not achieved by increasing the concentration of intestinal butyrate, and the effective strains could not be replaced by sodium butyrate (NaB). We also discovered that oral supplementation with the two most effective strains changed the metabolism of tryptophan and purine and altered the composition of the gut microbiota. In summary, C. butyricum improved the metabolic phenotypes under the HFD by controlling the composition of the gut microbiota and modulating intestinal metabolites, thereby demonstrating its ability to fight obesity and providing a theoretical foundation for microbial preparations production.
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Affiliation(s)
- Jingyi Liao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yaoliang Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Zhangming Pei
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Hongchao Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Jinlin Zhu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Wenwei Lu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
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11
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Behera J, Pitchiah Kumar M, Ireen Femela A, Senguttuvan G, Ramasamy MS. miRNA-15/IL-10Rα axis promotes Kabasura Kudineer (Indian traditional Siddha formulation) induced immunomodulation by suppressing oxidative stress. JOURNAL OF ETHNOPHARMACOLOGY 2023; 305:116032. [PMID: 36587882 DOI: 10.1016/j.jep.2022.116032] [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: 07/22/2022] [Revised: 11/18/2022] [Accepted: 12/03/2022] [Indexed: 06/17/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Kabasura Kudineer (KK), the traditional Indian medicine of Siddha, effectively manages common respiratory symptoms such as flu, cold, and fever. However, there is no evidence of the immunomodulatory capacity of KK in the cultured Jurkat T-lymphocytes under the LPS insult studied. AIM OF THE STUDY Assess the effect of the traditional Indian medicine of Siddha, Kabasura Kudineer (KK) on immunomodulation by suppressing oxidative damage in cultured Jurkat T cells in vitro. The miRNA activity on anti-inflammatory gene receptors and cellular nitric oxide levels also was studied. MATERIALS AND METHODS Jurkat T cells were exposed to LPS treatment in the presence or absence of KK. Cell viability and nitric oxide (NO) were measured with MTT and Griess assay. Cellular antioxidant systems (glutathione and SOD) were determined using glutathione and SOD assay. Lipid peroxidation was measured using an MDA assay. MiRNA-15a-5p expression was performed using microRNA qPCR Assays. Both inflammatory and anti-inflammatory genes (IL-6, IL-1, IL-10, IL-13) were performed using a qPCR and ELISA assay. RESULTS The data showed that reduced cell proliferation and exaggerated NO production was observed in LPS treated condition compared to the control condition. Further, LPS treatment increased lipid peroxidation and reduced antioxidant enzyme activities (SOD and glutathione) in cultured Jurkat T cells. However, treatment with KK or N-acetyl cysteine (NAC; antioxidant) treatment mitigates the above effect. Mechanistically, LPS-induced oxidative stress upregulated miR- 15-5p expression and suppressed IL-10 Receptor alpha (IL-10Rα) by binding to its 3'-UTR region. The deregulated expression of IL-10Rα expression leads to increased IL-6 and IL-1β expression in LPS-induced Jurkat T cells; however, treatment with KK or NAC reversed the above effects. CONCLUSION Collectively, our study revealed the previously undefined mechanistic role of Kabasura Kudineer (KK) that alleviates the LPS-induced oxidative damage associated with inflammation by inhibiting the miRNA-15-5p/IL-10Rα axis.
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Affiliation(s)
- Jyotirmaya Behera
- Department of Cell and Molecular Biology, Sanjeev Biomedical Research Centre, 1/15, Kumaran Nagar, Keelkattalai, Chennai, 600117, Tamilnadu, India
| | - M Pitchiah Kumar
- State Licensing Authority, Directorate of Indian Medicine (Govt. of Tamilnadu), State Licensing Authority (IM), Chennai, 600106, Tamilnadu, India
| | - A Ireen Femela
- Department of Cell and Molecular Biology, Sanjeev Biomedical Research Centre, 1/15, Kumaran Nagar, Keelkattalai, Chennai, 600117, Tamilnadu, India
| | - Govindan Senguttuvan
- Department of Physics, University College of Engineering BIT Campus, Anna University, Tiruchirappalli, 620 024, Tamilnadu, India
| | - M S Ramasamy
- Head, Research & Development, Sanjeev Biomedical Research Centre, 1/15, Kumaran Nagar, Keelkattalai, Chennai, 600117, Tamilnadu, India.
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Cellular and Molecular Mechanisms Associating Obesity to Bone Loss. Cells 2023; 12:cells12040521. [PMID: 36831188 PMCID: PMC9954309 DOI: 10.3390/cells12040521] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 02/01/2023] [Accepted: 02/03/2023] [Indexed: 02/08/2023] Open
Abstract
Obesity is an alarming disease that favors the upset of other illnesses and enhances mortality. It is spreading fast worldwide may affect more than 1 billion people by 2030. The imbalance between excessive food ingestion and less energy expenditure leads to pathological adipose tissue expansion, characterized by increased production of proinflammatory mediators with harmful interferences in the whole organism. Bone tissue is one of those target tissues in obesity. Bone is a mineralized connective tissue that is constantly renewed to maintain its mechanical properties. Osteoblasts are responsible for extracellular matrix synthesis, while osteoclasts resorb damaged bone, and the osteocytes have a regulatory role in this process, releasing growth factors and other proteins. A balanced activity among these actors is necessary for healthy bone remodeling. In obesity, several mechanisms may trigger incorrect remodeling, increasing bone resorption to the detriment of bone formation rates. Thus, excessive weight gain may represent higher bone fragility and fracture risk. This review highlights recent insights on the central mechanisms related to obesity-associated abnormal bone. Publications from the last ten years have shown that the main molecular mechanisms associated with obesity and bone loss involve: proinflammatory adipokines and osteokines production, oxidative stress, non-coding RNA interference, insulin resistance, and changes in gut microbiota. The data collection unveils new targets for prevention and putative therapeutic tools against unbalancing bone metabolism during obesity.
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13
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The Crosstalk between Microbiome and Mitochondrial Homeostasis in Neurodegeneration. Cells 2023; 12:cells12030429. [PMID: 36766772 PMCID: PMC9913973 DOI: 10.3390/cells12030429] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/22/2023] [Accepted: 01/24/2023] [Indexed: 01/31/2023] Open
Abstract
Mitochondria are highly dynamic organelles that serve as the primary cellular energy-generating system. Apart from ATP production, they are essential for many biological processes, including calcium homeostasis, lipid biogenesis, ROS regulation and programmed cell death, which collectively render them invaluable for neuronal integrity and function. Emerging evidence indicates that mitochondrial dysfunction and altered mitochondrial dynamics are crucial hallmarks of a wide variety of neurodevelopmental and neurodegenerative conditions. At the same time, the gut microbiome has been implicated in the pathogenesis of several neurodegenerative disorders due to the bidirectional communication between the gut and the central nervous system, known as the gut-brain axis. Here we summarize new insights into the complex interplay between mitochondria, gut microbiota and neurodegeneration, and we refer to animal models that could elucidate the underlying mechanisms, as well as novel interventions to tackle age-related neurodegenerative conditions, based on this intricate network.
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Zhang Z, Zhang Z, Shu H, Meng Y, Lin T, Ma J, Zhao J, Zhou X. Association between gut microbiota and bone metabolism: Insights from bibliometric analysis. Front Physiol 2023; 14:1156279. [PMID: 37153210 PMCID: PMC10154530 DOI: 10.3389/fphys.2023.1156279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 03/31/2023] [Indexed: 05/09/2023] Open
Abstract
Gut microbiota has been reported to participate in bone metabolism. However, no article has quantitatively and qualitatively analyzed this crossing field. The present study aims to analyze the current international research trends and demonstrate possible hotspots in the recent decade through bibliometrics. We screened out 938 articles meeting the standards from 2001 to 2021 in the Web of Science Core Collection database. Bibliometric analyses were performed and visualized using Excel, Citespace, and VOSviewer. Generally, the annual number of published literatures in this field shows an escalating trend. The United States has the largest number of publications, accounting for 30.4% of the total. Michigan State University and Sichuan University have the largest number of publications, while Michigan State University has the highest average number of citations at 60.00. Nutrients published 49 articles, ranking first, while the Journal of Bone and Mineral Research had the highest average number of citations at 13.36. Narayanan Parameswaran from Michigan State University, Roberto Pacifici from Emory University, and Christopher Hernandez from Cornell University were the three professors who made the largest contribution to this field. Frequency analysis showed that inflammation (148), obesity (86), and probiotics (81) are keywords with the highest focus. Moreover, keywords cluster analysis and keywords burst analysis showed that "inflammation", "obesity", and "probiotics" were the most researched topics in the field of gut microbiota and bone metabolism. Scientific publications related to gut microbiota and bone metabolism have continuously risen from 2001 to 2021. The underlying mechanism has been widely studied in the past few years, and factors affecting the alterations of the gut microbiota, as well as probiotic treatment, are emerging as new research trends.
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Affiliation(s)
- Zhanrong Zhang
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University (Naval Medical University), Shanghai, China
| | - Zheng Zhang
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University (Naval Medical University), Shanghai, China
- Department of Orthopedic Rehabilitation, Qingdao Special Servicemen Recuperation Center of PLA Navy, Qingdao, China
| | - Haoming Shu
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University (Naval Medical University), Shanghai, China
| | - Yichen Meng
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University (Naval Medical University), Shanghai, China
| | - Tao Lin
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University (Naval Medical University), Shanghai, China
| | - Jun Ma
- Department of Orthopedics, Shanghai General Hospital (Shanghai First People’s Hospital), Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Jun Ma, ; Jianquan Zhao, ; Xuhui Zhou,
| | - Jianquan Zhao
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University (Naval Medical University), Shanghai, China
- *Correspondence: Jun Ma, ; Jianquan Zhao, ; Xuhui Zhou,
| | - Xuhui Zhou
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University (Naval Medical University), Shanghai, China
- Translational Research Center of Orthopedics, Shanghai General Hospital (Shanghai First People’s Hospital), Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Jun Ma, ; Jianquan Zhao, ; Xuhui Zhou,
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15
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Roles of Gut Microbiome in Bone Homeostasis and Its Relationship with Bone-Related Diseases. BIOLOGY 2022; 11:biology11101402. [PMID: 36290306 PMCID: PMC9598716 DOI: 10.3390/biology11101402] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/14/2022] [Accepted: 09/19/2022] [Indexed: 11/16/2022]
Abstract
Simple Summary In recent years, there has been increasing evidence that communication between the skeletal system and the gut microbiome (GM) can influence bone health and that the GM is a key regulator of bone homeostasis. Here, we review the roles of GM in bone homeostasis. In addition, the relationship between GM composition and selected bone-related diseases (osteoporosis, osteoarthritis, rheumatoid arthritis, diabetes mellitus, obesity and bone cancer) is presented. It is also emphasized that a probiotic supplementation can play an important role in suppressing the symptoms of each of these diseases. Abstract The extended microbial genome—the gut microbiome (GM)—plays a significant role in host health and disease. It is able to influence a number of physiological functions. During dysbiosis, GM is associated with the development of various chronic diseases with impaired bone quality. In general, GM is important for bone homeostasis and can affect it via several mechanisms. This review describes the roles of GM in bone homeostasis through influencing the immune and endocrine functions, short-chain fatty acids production, calcium absorption and the gut–brain axis. The relationship between GM composition and several bone-related diseases, specifically osteoporosis, osteoarthritis, rheumatoid arthritis, diabetes mellitus, obesity and bone cancer, is also highlighted and summarized. GM manipulation may become a future adjuvant therapy in the prevention of many chronic diseases. Therefore, the beneficial effects of probiotic therapy to improve the health status of individuals with aforementioned diseases are provided, but further studies are needed to clearly confirm its effectiveness. Recent evidence suggests that GM is responsible for direct and indirect effects on drug efficacy. Accordingly, various GM alterations and interactions related to the treatment of bone-related diseases are mentioned as well.
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Lin K, Zhu L, Yang L. Gut and obesity/metabolic disease: Focus on microbiota metabolites. MedComm (Beijing) 2022; 3:e171. [PMID: 36092861 PMCID: PMC9437302 DOI: 10.1002/mco2.171] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 07/25/2022] [Accepted: 07/27/2022] [Indexed: 11/10/2022] Open
Abstract
Obesity is often associated with the risk of chronic inflammation and other metabolic diseases, such as diabetes, cardiovascular disease, and cancer. The composition and activity of the gut microbiota play an important role in this process, affecting a range of physiological processes, such as nutrient absorption and energy metabolism. The active gut microbiota can produce a large number of physiologically active substances during the process of intestinal metabolism and reproduction, including short‐chain/long‐chain fatty acids, secondary bile acids, and tryptophan metabolites with beneficial effects on metabolism, as well as negative metabolites, including trimethylamine N‐oxide, delta‐valerobetaine, and imidazole propionate. How gut microbiota specifically affect and participate in metabolic and immune activities, especially the metabolites directly produced by gut microbiota, has attracted extensive attention. So far, some animal and human studies have shown that gut microbiota metabolites are correlated with host obesity, energy metabolism, and inflammation. Some pathways and mechanisms are slowly being discovered. Here, we will focus on the important metabolites of gut microbiota (beneficial and negative), and review their roles and mechanisms in obesity and related metabolic diseases, hoping to provide a new perspective for the treatment and remission of obesity and other metabolic diseases from the perspective of metabolites.
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Affiliation(s)
- Ke Lin
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy West China Hospital Sichuan University Chengdu China
| | - Lixin Zhu
- Guangdong Institute of Gastroenterology Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease Sixth Affiliated Hospital of Sun Yat‐Sen University Guangzhou China
- Department of Colorectal Surgery Sixth Affiliated Hospital Sun Yat‐Sen University Guangzhou China
| | - Li Yang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy West China Hospital Sichuan University Chengdu China
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Guo J, Zhou F, Liu Z, Cao Y, Zhao W, Zhang Z, Zhai Q, Jin Y, Li B, Jin F. Exosome‐shuttled mitochondrial transcription factor A mRNA promotes the osteogenesis of dental pulp stem cells through mitochondrial oxidative phosphorylation activation. Cell Prolif 2022; 55:e13324. [DOI: 10.1111/cpr.13324] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 07/18/2022] [Accepted: 07/21/2022] [Indexed: 12/11/2022] Open
Affiliation(s)
- Jia Guo
- Department of Orthodontics, School of Stomatology The Fourth Military Medical University Xi'an China
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology The Fourth Military Medical University Xi'an China
| | - Feng Zhou
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology The Fourth Military Medical University Xi'an China
| | - Zhi Liu
- Department of Orthodontics, School of Stomatology The Fourth Military Medical University Xi'an China
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology The Fourth Military Medical University Xi'an China
| | - Yuan Cao
- Department of Orthodontics, School of Stomatology The Fourth Military Medical University Xi'an China
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology The Fourth Military Medical University Xi'an China
| | - Wanming Zhao
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology The Fourth Military Medical University Xi'an China
| | - Zheru Zhang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology The Fourth Military Medical University Xi'an China
| | - Qiming Zhai
- Department of Orthodontics, School of Stomatology The Fourth Military Medical University Xi'an China
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology The Fourth Military Medical University Xi'an China
| | - Yan Jin
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology The Fourth Military Medical University Xi'an China
| | - Bei Li
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology The Fourth Military Medical University Xi'an China
| | - Fang Jin
- Department of Orthodontics, School of Stomatology The Fourth Military Medical University Xi'an China
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology The Fourth Military Medical University Xi'an China
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Behera J, Ison J, Voor MJ, Tyagi SC, Tyagi N. Diabetic Covid-19 severity: Impaired glucose tolerance and pathologic bone loss. Biochem Biophys Res Commun 2022; 620:180-187. [PMID: 35803174 PMCID: PMC9213044 DOI: 10.1016/j.bbrc.2022.06.043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 06/14/2022] [Indexed: 11/02/2022]
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Biological Effects of Indole-3-Propionic Acid, a Gut Microbiota-Derived Metabolite, and Its Precursor Tryptophan in Mammals' Health and Disease. Int J Mol Sci 2022; 23:ijms23031222. [PMID: 35163143 PMCID: PMC8835432 DOI: 10.3390/ijms23031222] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/19/2022] [Accepted: 01/19/2022] [Indexed: 02/06/2023] Open
Abstract
Actions of symbiotic gut microbiota are in dynamic balance with the host’s organism to maintain homeostasis. Many different factors have an impact on this relationship, including bacterial metabolites. Several substrates for their synthesis have been established, including tryptophan, an exogenous amino acid. Many biological processes are influenced by the action of tryptophan and its endogenous metabolites, serotonin, and melatonin. Recent research findings also provide evidence that gut bacteria-derived metabolites of tryptophan share the biological effects of their precursor. Thus, this review aims to investigate the biological actions of indole-3-propionic acid (IPA), a gut microbiota-derived metabolite of tryptophan. We searched PUBMED and Google Scholar databases to identify pre-clinical and clinical studies evaluating the impact of IPA on the health and pathophysiology of the immune, nervous, gastrointestinal and cardiovascular system in mammals. IPA exhibits a similar impact on the energetic balance and cardiovascular system to its precursor, tryptophan. Additionally, IPA has a positive impact on a cellular level, by preventing oxidative stress injury, lipoperoxidation and inhibiting synthesis of proinflammatory cytokines. Its synthesis can be diminished in the presence of different risk factors of atherosclerosis. On the other hand, protective factors, such as the introduction of a Mediterranean diet, tend to increase its plasma concentration. IPA seems to be a promising new target, linking gut health with the cardiovascular system.
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Lu L, Tang M, Li J, Xie Y, Li Y, Xie J, Zhou L, Liu Y, Yu X. Gut Microbiota and Serum Metabolic Signatures of High-Fat-Induced Bone Loss in Mice. Front Cell Infect Microbiol 2022; 11:788576. [PMID: 35004355 PMCID: PMC8727351 DOI: 10.3389/fcimb.2021.788576] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Accepted: 12/06/2021] [Indexed: 02/05/2023] Open
Abstract
Background Accumulating evidence indicates that high-fat diet (HFD) is a controllable risk factor for osteoporosis, but the underlying mechanism remains to be elucidated. As a primary biological barrier for nutrient entry into the human body, the composition and function of gut microbiota (GM) can be altered rapidly by HFD, which may trigger abnormal bone metabolism. In the current study, we analyzed the signatures of GM and serum metabolomics in HFD-induced bone loss and explored the potential correlations of GM and serum metabolites on HFD-related bone loss. Methods We conducted a mouse model with HFD-induced bone loss through a 12-week diet intervention. Micro-CT, Osmium-μCT, and histological analyses were used to observe bone microstructure and bone marrow adipose tissue. Quantitative Real-Time PCR was applied to analyze gene expression related to osteogenesis, adipogenesis, and osteoclastogenesis. Enzyme-linked immunosorbent assay was used to measure the biochemical markers of bone turnover. 16s rDNA sequencing was employed to analyze the abundance of GM, and UHPLC-MS/MS was used to identify serum metabolites. Correlation analysis was performed to explore the relationships among bone phenotypes, GM, and the metabolome. Results HFD induced bone loss accompanied by bone marrow adipose tissue expansion and bone formation inhibition. In the HFD group, the relative abundance of Firmicutes was increased significantly, while Bacteroidetes, Actinobacteria, Epsilonbacteraeota, and Patescibacteria were decreased compared with the ND group. Association analysis showed that thirty-two bacterial genera were significantly related to bone volume per tissue volume (BV/TV). One hundred and forty-five serum metabolites were identified as differential metabolites associated with HFD intervention, which were significantly enriched in five pathways, such as purine metabolism, regulation of lipolysis in adipocyte and cGMP-PKG signaling pathway. Sixty-four diffiential metabolites were matched to the MS2 spectra; and ten of them were positively correlated with BV/TV and five were negatively correlated with BV/TV. Conclusions These findings indicated that the alternations of GM and serum metabolites were related to HFD-induced bone loss, which might provide new insights into explain the occurrence and development of HFD-related osteoporosis. The regulatory effects of GM and metabolites associated with HFD on bone homeostasis required further exploration.
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Affiliation(s)
- Lingyun Lu
- Department of Endocrinology and Metabolism, Laboratory of Endocrinology and Metabolism, Department of Integrated Traditional Chinese and Western Medicine, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, China
| | - Mengjia Tang
- Department of Endocrinology and Metabolism, Laboratory of Endocrinology and Metabolism, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, China
| | - Jiao Li
- Department of Endocrinology and Metabolism, Laboratory of Endocrinology and Metabolism, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, China
| | - Ying Xie
- Department of Endocrinology and Metabolism, Laboratory of Endocrinology and Metabolism, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yujue Li
- Department of General Practice, West China Hospital, Sichuan University, Chengdu, China
| | - Jinwei Xie
- Department of Orthopaedic Surgery and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Li Zhou
- Core Facilities of West China Hospital, West China Hospital, Sichuan University, Chengdu, China
| | - Yi Liu
- Department of Rheumatology and Immunology, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, China
| | - Xijie Yu
- Department of Endocrinology and Metabolism, Laboratory of Endocrinology and Metabolism, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, China
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Zhang B, Jiang M, Zhao J, Song Y, Du W, Shi J. The Mechanism Underlying the Influence of Indole-3-Propionic Acid: A Relevance to Metabolic Disorders. Front Endocrinol (Lausanne) 2022; 13:841703. [PMID: 35370963 PMCID: PMC8972051 DOI: 10.3389/fendo.2022.841703] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/21/2022] [Indexed: 12/12/2022] Open
Abstract
The increasing prevalence of metabolic syndrome has become a serious public health problem. Certain bacteria-derived metabolites play a key role in maintaining human health by regulating the host metabolism. Recent evidence shows that indole-3-propionic acid content can be used to predict the occurrence and development of metabolic diseases. Supplementing indole-3-propionic acid can effectively improve metabolic disorders and is considered a promising metabolite. Therefore, this article systematically reviews the latest research on indole-3-propionic acid and elaborates its source of metabolism and its association with metabolic diseases. Indole-3-propionic acid can improve blood glucose and increase insulin sensitivity, inhibit liver lipid synthesis and inflammatory factors, correct intestinal microbial disorders, maintain the intestinal barrier, and suppress the intestinal immune response. The study of the mechanism of the metabolic benefits of indole-3-propionic acid is expected to be a potential compound for treating metabolic syndrome.
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Affiliation(s)
- Binbin Zhang
- Department of Translational Medicine Platform, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
- College of Life Sciences, Zhejiang University of Traditional Chinese Medicine, Hangzhou, China
| | - Minjie Jiang
- Zhejiang University of Traditional Chinese Medicine, Hangzhou, China
| | - Jianan Zhao
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yu Song
- Zhejiang University of Traditional Chinese Medicine, Hangzhou, China
| | - Weidong Du
- Zhejiang Traditional Chinese Medicine Hospital, Hangzhou, China
- *Correspondence: Weidong Du, ; Junping Shi,
| | - Junping Shi
- Department of Translational Medicine Platform, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
- Department of Infectious & Hepatology Diseases, Metabolic Disease Center, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
- *Correspondence: Weidong Du, ; Junping Shi,
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