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Zhang B, He W, Pei Z, Guo Q, Hao T, Sun M, Yang X, Ariben J, Li S, Feng W, Meng C, Hu X, Bai R, Wang X. Plasma proteins, circulating metabolites mediate causal inference studies on the effect of gut bacteria on the risk of osteoporosis development. Ageing Res Rev 2024:102479. [PMID: 39214170 DOI: 10.1016/j.arr.2024.102479] [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: 09/13/2023] [Revised: 07/29/2024] [Accepted: 08/27/2024] [Indexed: 09/04/2024]
Abstract
BACKGROUND The role of gut bacteria in preventing and delaying osteoporosis has been studied. However, the causal relationship between gut bacteria, plasma proteins, circulating metabolites and osteoporosis (OP) risk has not been fully revealed. MATERIALS AND METHODS In this study, a two-sample Mendelian randomization study (MR) approach was used to assess the causal associations between gut bacteria, plasma proteins and circulating metabolites, and osteoporosis risk using Genome Wide Association Study (GWAS) data from gut bacteria(n=8208), plasma proteins(n=2263), circulating metabolites (n=123), and osteoporosis (3203 cases and 16380452 controls). Inverse-variance weighted (IVW) was used as the main analytical method to estimate the MR causal effect and to perform directional sensitivity analysis of causality. Finally, the mediating effect values for the influence of gut flora on OP pathogenesis through circulating metabolites were calculated by univariate MR analysis, and multivariate MR analysis. Next, we evaluated the effect of Phosphatidylcholine on the osteogenic function of bone marrow mesenchymal stem cells (BMSCs) through relevant experiments, including Edu detection of cell proliferation, alkaline phosphatase (ALP) staining, Alizarin red staining to evaluate osteogenic function, qPCR and WB detection of osteogenic differentiation related gene expression. RESULTS A total of 9 gut microbial taxa, 15 plasma proteins and eight circulating metabolites were analysed for significant causal associations with the development of OP. Significant causal effects of 7 on gut bacteria, plasma proteins and circulating metabolites were analysed by univariate MR analysis and these results were used as exposure factors for subsequent multivariate MR. Multivariate MR analyses yielded a significant effect of circulating metabolites Phosphatidylcholine and other cholines on OP (P<0.05). Further mediation effect analysis showed that the mediation effect of Bifidobacteriaceae affecting OP through the circulating metabolite Phosphatidylcholine and other cholines was -0.0224, with a 95% confidence interval for the mediation effect that did not include 0, and the complete mediation effect was significant. Phosphatidylcholine can promote BMSCs proliferation and osteogenesis. CONCLUSION Our study demonstrated significant causal associations of gut bacteria, plasma proteins and circulating metabolites on OP, and that Bifidobacteriaceae affect OP through the circulating metabolites Phosphatidylcholine and other cholines. Phosphatidylcholine affects the osteogenic ability of BMSCs. Further exploration of potential microbiota-associated mechanisms of bone metabolism may offer new avenues for osteoporosis prevention and treatment of osteoporosis.
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Affiliation(s)
- Baoxin Zhang
- The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot 010050, China.
| | - Wanxiong He
- Inner Mongolia Medical University, Hohhot 010050, China.
| | - Zhiwei Pei
- Tianjin Hospital, Tianjin University, Tianjin 300211, China
| | - Qingwen Guo
- Key Laboratory of Biological Manufacturing in Inner Mongolia Autonomous Region, College of Life Sciences, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Ting Hao
- The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot 010050, China
| | - Mingqi Sun
- The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot 010050, China
| | - Xiaolong Yang
- The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot 010050, China
| | | | - Siqin Li
- Bayannur City Hospital, Bayannaoer 015000, China
| | - Wei Feng
- The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot 010050, China
| | - Chenyang Meng
- The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot 010050, China
| | - Xiaoxin Hu
- The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot 010050, China
| | - Rui Bai
- The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot 010050, China.
| | - Xing Wang
- Bayannur City Hospital, Bayannaoer 015000, China.
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Kim YT, Mills DA. Exploring the gut microbiome: probiotics, prebiotics, synbiotics, and postbiotics as key players in human health and disease improvement. Food Sci Biotechnol 2024; 33:2065-2080. [PMID: 39130661 PMCID: PMC11315840 DOI: 10.1007/s10068-024-01620-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 05/15/2024] [Accepted: 05/23/2024] [Indexed: 08/13/2024] Open
Abstract
The human gut microbiome accompanies us from birth, and it is developed and matured by diet, lifestyle, and environmental factors. During aging, the bacterial composition evolves in reciprocal communication with the host's physiological properties. Many diseases are closely related to the gut microbiome, which means the modulation of the gut microbiome can promote the disease targeting remote organs. This review explores the intricate interaction between the gut microbiome and other organs, and their improvement from disease by prebiotics, probiotics, synbiotics, and postbiotics. Each section of the review is supported by clinical trials that substantiate the benefits of modulation the gut microbiome through dietary intervention for improving primary health outcomes across various axes with the gut. In conclusion, the review underscores the significant potential of targeting the gut microbiome for therapeutic and preventative interventions in a wide range of diseases, calling for further research to fully unlock the microbiome's capabilities in enhancing human health.
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Affiliation(s)
- You-Tae Kim
- Department of Food Science and Technology, University of California-Davis, Davis, CA USA
| | - David A. Mills
- Department of Food Science and Technology, University of California-Davis, Davis, CA USA
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Dou J, Liang Z, Liu J, Liu N, Hu X, Tao S, Zhen X, Yang L, Zhang J, Jiang G. Quinoa alleviates osteoporosis in ovariectomized rats by regulating gut microbiota imbalance. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:5052-5063. [PMID: 38284744 DOI: 10.1002/jsfa.13339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 01/04/2024] [Accepted: 01/23/2024] [Indexed: 01/30/2024]
Abstract
BACKGROUND Postmenopausal osteoporosis (PMO) is associated with dysregulation of bone metabolism and gut microbiota. Quinoa is a grain with high nutritional value, and its effects and potential mechanisms on PMO have not been reported yet. Therefore, the purpose of this study is to investigate the bone protective effect of quinoa on ovariectomy (OVX) rats by regulating bone metabolism and gut microbiota. RESULTS Quinoa significantly improved osteoporosis-related biochemical parameters of OVX rats and ameliorated ovariectomy-induced bone density reduction and trabecular structure damage. Quinoa intervention may repair the intestinal barrier by upregulating the expression of tight junction proteins in the duodenum. In addition, quinoa increased the levels of Firmicutes, and decreased the levels of Bacteroidetes and Prevotella, reversing the dysregulation of the gut microbiota. This may be related to estrogen signaling pathway, secondary and primary bile acid biosynthesis, benzoate degradation, synthesis and degradation of ketone bodies, NOD-like receptor signaling pathway and biosynthesis of tropane, piperidine and pyridine alkaloids. Correlation analysis showed that there is a strong correlation between gut microbiota with significant changes in abundance and parameters related to osteoporosis. CONCLUSION Quinoa could significantly reverse the high intestinal permeability and change the composition of gut microbiota in OVX rats, thereby improving bone microstructure deterioration and bone metabolism disorder, and ultimately protecting the bone loss of OVX rats. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Jinfang Dou
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Zhengting Liang
- School of Traditional Chinese Medicine, Xinjiang Medical University, Urumqi, China
| | - Jiaxian Liu
- Zhong Li Science and Technology Limited Company, Beijing, China
| | - Nannan Liu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Xuehong Hu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Siyu Tao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Xianjie Zhen
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Lihua Yang
- Tangshan Maternal and Child Health Care Hospital, Tangshan, China
| | - Jinghua Zhang
- Tangshan Maternal and Child Health Care Hospital, Tangshan, China
| | - Guangjian Jiang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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4
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Cao Y, Gao Y, Huang J. Perturbations in gut microbiota composition in osteoporosis: a systematic review and meta-analysis. J Bone Miner Metab 2024:10.1007/s00774-024-01517-3. [PMID: 38864923 DOI: 10.1007/s00774-024-01517-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Accepted: 05/08/2024] [Indexed: 06/13/2024]
Abstract
INTRODUCTION Osteoporosis (OP) is a chronic bone metabolic disease, which causes a great social and economic burden. The gut microbiota (GM) has become a recent topic of interest in the role of many disease states. Changes in the GM are correlated with the maintenance of bone mass and bone quality. However, research results in this field remain highly controversial. We performed a mate-analysis to explore and compare the alterations of GM in OP patients. MATERIALS AND METHODS According to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA), we comprehensively searched the databases of PubMed, Web of Science, Embase, Cochrane Library, CNKI, VIP, CBM, and Wanfang. In addition, we applied the Stata 17.0 software for data analysis. Bias controls were evaluated with the Newcastle-Ottawa scale (NOS), funnel plot analysis, and Egger's and Begg's tests. RESULTS This research ultimately considered 16 studies, which included the fecal GM data of 2340 people (664 with OP and 1676 healthy controls). The pooled estimate showed an increase of borderline significance on ACE index in patients with OP compared with control participants (SMD = 1.05; 95% CI 0.00-2.10; P = 0.05). There were no significant differences in Chao1, Shannon and Simpson indices. At the phylum level, no significant differences were observed between the OP patients and HCs in the overall analysis. At the genus level, the relative abundance of Blautia presented a decrease of borderline significance between OP and the control group (SMD = - 0.32, 95% CI - 0.65 to - 0.00, P = 0.05). CONCLUSION This systematic review and meta-analysis suggests that patients with OP may exhibit dysbiosis in their gut microbiota, characterized by a reduction in certain anti-inflammatory butyrate-producing bacteria and an enrichment of pro-inflammatory bacterial populations.
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Affiliation(s)
- Yun Cao
- Department of Traditional Chinese Medicine, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Yemei Gao
- Department of Traditional Chinese Medicine, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Jiaqin Huang
- Department of Traditional Chinese Medicine, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China.
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Olteanu G, Ciucă-Pană MA, Busnatu ȘS, Lupuliasa D, Neacșu SM, Mititelu M, Musuc AM, Ioniță-Mîndrican CB, Boroghină SC. Unraveling the Microbiome-Human Body Axis: A Comprehensive Examination of Therapeutic Strategies, Interactions and Implications. Int J Mol Sci 2024; 25:5561. [PMID: 38791599 PMCID: PMC11122276 DOI: 10.3390/ijms25105561] [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: 03/30/2024] [Revised: 05/08/2024] [Accepted: 05/15/2024] [Indexed: 05/26/2024] Open
Abstract
This review scrutinizes the intricate interplay between the microbiome and the human body, exploring its multifaceted dimensions and far-reaching implications. The human microbiome, comprising diverse microbial communities inhabiting various anatomical niches, is increasingly recognized as a critical determinant of human health and disease. Through an extensive examination of current research, this review elucidates the dynamic interactions between the microbiome and host physiology across multiple organ systems. Key topics include the establishment and maintenance of microbiota diversity, the influence of host factors on microbial composition, and the bidirectional communication pathways between microbiota and host cells. Furthermore, we delve into the functional implications of microbiome dysbiosis in disease states, emphasizing its role in shaping immune responses, metabolic processes, and neurological functions. Additionally, this review discusses emerging therapeutic strategies aimed at modulating the microbiome to restore host-microbe homeostasis and promote health. Microbiota fecal transplantation represents a groundbreaking therapeutic approach in the management of dysbiosis-related diseases, offering a promising avenue for restoring microbial balance within the gut ecosystem. This innovative therapy involves the transfer of fecal microbiota from a healthy donor to an individual suffering from dysbiosis, aiming to replenish beneficial microbial populations and mitigate pathological imbalances. By synthesizing findings from diverse fields, this review offers valuable insights into the complex relationship between the microbiome and the human body, highlighting avenues for future research and clinical interventions.
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Affiliation(s)
- Gabriel Olteanu
- Department of Clinical Laboratory and Food Safety, Faculty of Pharmacy, University of Medicine and Pharmacy Carol Davila, 020956 Bucharest, Romania;
| | - Maria-Alexandra Ciucă-Pană
- Department of Cardiology, Carol Davila University of Medicine and Pharmacy, Bagdasar-Arseni Emergency Hospital, 050474 Bucharest, Romania;
| | - Ștefan Sebastian Busnatu
- Department of Cardio-Thoracic Pathology, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania;
| | - Dumitru Lupuliasa
- Department of Pharmaceutical Technology and Bio-Pharmacy, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 020945 Bucharest, Romania; (D.L.); (S.M.N.)
| | - Sorinel Marius Neacșu
- Department of Pharmaceutical Technology and Bio-Pharmacy, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 020945 Bucharest, Romania; (D.L.); (S.M.N.)
| | - Magdalena Mititelu
- Department of Clinical Laboratory and Food Safety, Faculty of Pharmacy, University of Medicine and Pharmacy Carol Davila, 020956 Bucharest, Romania;
| | - Adina Magdalena Musuc
- Institute of Physical Chemistry—Ilie Murgulescu, Romanian Academy, 060021 Bucharest, Romania
| | - Corina-Bianca Ioniță-Mîndrican
- Department of Toxicology, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 020945 Bucharest, Romania;
| | - Steluța Constanța Boroghină
- Department of Complementary Sciences, History of Medicine and Medical Culture, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania;
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Chargo NJ, Neugebauer K, Guzior DV, Quinn RA, Parameswaran N, McCabe LR. Glucocorticoid-induced osteoporosis is prevented by dietary prune in female mice. Front Cell Dev Biol 2024; 11:1324649. [PMID: 38375074 PMCID: PMC10875082 DOI: 10.3389/fcell.2023.1324649] [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: 10/19/2023] [Accepted: 12/11/2023] [Indexed: 02/21/2024] Open
Abstract
Glucocorticoid-induced osteoporosis (GIO) is a significant side effect of prolonged glucocorticoid (GC) treatment. Chronic GC treatment also leads to trabecular bone loss and gut microbiota dysbiosis in mice. The gut dysbiosis is mechanistically linked to GIO, which indicates that the microbiota can be targeted to prevent GIO. Prunes, a dried fruit and prebiotic, have emerged in the literature as an effective treatment for sex-steroid deficiency induced osteoporosis (primary osteoporosis). Prunes also significantly alter the composition of the gut microbiota in both rodent models and human studies. Therefore, we tested if dietary prune (DP) supplementation could prevent GC-induced bone loss and affect microbiota composition in an established model of GIO. Sixteen-week-old, skeletally mature, female C57BL/6J mice were treated with a subcutaneous 5 mg placebo or prednisolone pellet for 8 weeks and fed an AIN-93M control diet or a diet modified to include 5, 15, or 25% (w/w) dried California prune powder. As expected, GC treated mice developed significant trabecular bone loss in the distal femur. More importantly, as little as 5% DP supplementation effectively prevented trabecular bone loss. Further, dose dependent increases in trabecular bone volume fraction were observed in GC + 15% and GC + 25% DP mice. Amazingly, in the placebo (non-GC treated) groups, 25% DP supplementation caused a ∼3-fold increase in distal femur trabecular bone volume fraction; this sizable bone response has not been previously observed in healthy mice with gut targeted natural treatments. Along with the striking effect on bone health, GC treatment and 25% DP supplementation led to drastic shifts in gut microbiota composition and several specific changes are strongly associated with bone health. Taken together, these results are the first to demonstrate that DP supplementation effectively prevents the negative effects of prolonged GC therapy on trabecular bone health and strongly associates with shifts in the composition of the gut microbiota.
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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
| | - Kerri Neugebauer
- Department of Plant Soil and Microbiology, Michigan State University, East Lansing, MI, United States
| | - Douglas V. Guzior
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, United States
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI, United States
| | - Robert A. Quinn
- Department of Biochemistry and Molecular Biology, 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
| | - 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
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Li S, Han X, Liu N, Chang J, Liu G, Hu S. Lactobacillus plantarum attenuates glucocorticoid-induced osteoporosis by altering the composition of rat gut microbiota and serum metabolic profile. Front Immunol 2024; 14:1285442. [PMID: 38264658 PMCID: PMC10803555 DOI: 10.3389/fimmu.2023.1285442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 12/20/2023] [Indexed: 01/25/2024] Open
Abstract
Introduction Osteoporosis, one of the most common non-communicable human diseases worldwide, is one of the most prevalent disease of the adult skeleton. Glucocorticoid-induced osteoporosis(GIOP) is the foremost form of secondary osteoporosis, extensively researched due to its prevalence.Probiotics constitute a primary bioactive component within numerous foods, offering promise as a potential biological intervention for preventing and treating osteoporosis. This study aimed to evaluate the beneficial effects of the probiotic Lactobacillus plantarum on bone health and its underlying mechanisms in a rat model of glucocorticoid dexamethasone-induced osteoporosis, using the osteoporosis treatment drug alendronate as a reference. Methods We examined the bone microstructure (Micro-CT and HE staining) and analyzed the gut microbiome and serum metabolome in rats. Results and discussion The results revealed that L. plantarum treatment significantly restored parameters of bone microstructure, with elevated bone density, increased number and thickness of trabeculae, and decreased Tb.Sp. Gut microbiota sequencing results showed that probiotic treatment increased gut microbial diversity and the ratio of Firmicutes to Bacteroidota decreased. Beneficial bacteria abundance was significantly increased (Lachnospiraceae_NK4A136_group, Ruminococcus, UCG_005, Romboutsia, and Christensenellaceae_R_7_group), and harmful bacteria abundance was significantly decreased (Desulfovibrionaceae). According to the results of serum metabolomics, significant changes in serum metabolites occurred in different groups. These differential metabolites were predominantly enriched within the pathways of Pentose and Glucuronate Interconversions, as well as Propanoate Metabolism. Furthermore, treatment of L. plantarum significantly increased serum levels of Pyrazine and gamma-Glutamylcysteine, which were associated with inhibition of osteoclast formation and promoting osteoblast formation. Lactobacillus plantarum can protect rats from DEX-induced GIOP by mediating the "gut microbial-bone axis" promoting the production of beneficial bacteria and metabolites. Therefore L. plantarum is a potential candidate for the treatment of GIOP.
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Affiliation(s)
- Siying Li
- The Orthopaedic Center, The First People’s Hospital of Wenling, Wenling Hospital of Wenzhou Medical University, Wenling, Zhejiang, China
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan, China
| | - Xuebing Han
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan, China
| | - Naiyuan Liu
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan, China
| | - Jiang Chang
- The Orthopaedic Center, The First People’s Hospital of Wenling, Wenling Hospital of Wenzhou Medical University, Wenling, Zhejiang, China
| | - Gang Liu
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan, China
| | - Siwang Hu
- The Orthopaedic Center, The First People’s Hospital of Wenling, Wenling Hospital of Wenzhou Medical University, Wenling, Zhejiang, China
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Kharrazian D, Herbert M, Lambert J. The Relationships between Intestinal Permeability and Target Antibodies for a Spectrum of Autoimmune Diseases. Int J Mol Sci 2023; 24:16352. [PMID: 38003542 PMCID: PMC10671756 DOI: 10.3390/ijms242216352] [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: 10/03/2023] [Revised: 11/09/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023] Open
Abstract
The worldwide prevalence of autoimmune diseases that have limited treatment options and preventive strategies is rapidly rising. There is growing evidence that the microbiota and the integrity of the intestinal barrier play a role in autoimmune diseases. The potential to evaluate intestinal barrier integrity for susceptible individuals and to determine whether restoring intestinal junction integrity impacts autoimmune diseases is an important area of research that requires further attention. In the intestinal permeability model of autoimmune diseases, the breakdown of the intestinal tight junction proteins (zonulin/occludin) allows bacteria, toxins, undigested dietary proteins, and other antigens to pass into the lumen, thereby increasing the number of inflammatory reactions and the activation of immune cells throughout the body. In this study, we investigate the relationship between zonulin/occludin antibodies, which are used to determine intestinal permeability, with autoantibodies used to diagnose autoimmunity. Our investigation may identify significant levels of circulating autoantibodies in human subjects with intestinal permeability compared to those without intestinal permeability. Furthermore, we identified that significant positive linear correlations between serum occludin/zonulin antibodies and circulating autoantibodies could be used to determine autoimmune diseases.
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Affiliation(s)
- Datis Kharrazian
- Harvard Medical School, Boston, MA 02215, USA;
- Massachusetts General Hospital, Charlestown, MA 02114, USA
- Department of Preventive Medicine, Loma Linda University School of Medicine, Loma Linda, CA 92354, USA
| | - Martha Herbert
- Harvard Medical School, Boston, MA 02215, USA;
- Massachusetts General Hospital, Charlestown, MA 02114, USA
- Higher Synthesis Foundation, Cambridge, MA 02138, USA
| | - Jama Lambert
- Independent Researcher, Puerto Vallarta 48300, Jalisco, Mexico;
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9
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Wang K, Hu S. The synergistic effects of polyphenols and intestinal microbiota on osteoporosis. Front Immunol 2023; 14:1285621. [PMID: 37936705 PMCID: PMC10626506 DOI: 10.3389/fimmu.2023.1285621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 10/11/2023] [Indexed: 11/09/2023] Open
Abstract
Osteoporosis is a common metabolic disease in middle-aged and elderly people. It is characterized by a reduction in bone mass, compromised bone microstructure, heightened bone fragility, and an increased susceptibility to fractures. The dynamic imbalance between osteoblast and osteoclast populations is a decisive factor in the occurrence of osteoporosis. With the increase in the elderly population in society, the incidence of osteoporosis, disability, and mortality have gradually increased. Polyphenols are a fascinating class of compounds that are found in both food and medicine and exhibit a variety of biological activities with significant health benefits. As a component of food, polyphenols not only provide color, flavor, and aroma but also act as potent antioxidants, protecting our cells from oxidative stress and reducing the risk of chronic disease. Moreover, these natural compounds exhibit anti-inflammatory properties, which aid in immune response regulation and potentially alleviate symptoms of diverse ailments. The gut microbiota can degrade polyphenols into more absorbable metabolites, thereby increasing their bioavailability. Polyphenols can also shape the gut microbiota and increase its abundance. Therefore, studying the synergistic effect between gut microbiota and polyphenols may help in the treatment and prevention of osteoporosis. By delving into how gut microbiota can enhance the bioavailability of polyphenols and how polyphenols can shape the gut microbiota and increase its abundance, this review offers valuable information and references for the treatment and prevention of osteoporosis.
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Affiliation(s)
- Keyu Wang
- The Orthopaedic Center, The Affiliated Wenling Hospital of Wenzhou Medical University (The First People’s Hospital of Wenling), Wenling, Zhejiang, China
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan, China
| | - Siwang Hu
- The Orthopaedic Center, The Affiliated Wenling Hospital of Wenzhou Medical University (The First People’s Hospital of Wenling), Wenling, Zhejiang, China
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10
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Xiao X, Wang J, Zhu Y, Deng B, Liu Y, Wang S, Hou T, Song T. Phytosterols Protect against Osteoporosis by Regulating Gut Microbiota. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:14539-14549. [PMID: 37756430 DOI: 10.1021/acs.jafc.3c01489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
Osteoporosis is increasingly prevalent worldwide, representing a major health burden. However, there is a lack of nutritional strategies for osteoporotic therapy. Phytosterols, as natural bioactive compounds, have the potential to alleviate osteoporosis. In this study, a glucocorticoid-induced osteoporosis mouse model and treatment with low and high concentrations of phytosterols for 4 weeks were established. The results demonstrated that compared to the control group, low-concentration phytosterols (LP) (0.3 mg/mL) increased bone mass, improved trabecular microstructure, reduced serum levels of cross-linked C-telopeptide of type I collagen (CTX-1), and elevated serum levels of 1,25-dihydroxyvitamin D3 (1,25-(OH)2D3). Conversely, high-concentration phytosterols (0.5 mg/mL) showed no effect. Additionally, we validated the effect of LP in ameliorating osteoporosis using an ovariectomized (OVX)-induced osteoporosis mouse model. Mechanistically, phytosterols altered the microbial composition to counteract glucocorticoid-induced gut microbiota disorder and improve the length and morphology of the small intestine. Particularly, based on selection strategy and correlation analysis, phytosterols increased the relative abundance of Ruminococcus and decreased the relative abundance of Bilophila, which were significantly associated with glucocorticoid-induced osteoporosis indications. Overall, these findings suggest that phytosterols regulate gut microbiota to increase bone mass, thereby exerting an antiosteoporotic effect.
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Affiliation(s)
- Xiangyu Xiao
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Frontiers Science Center for Animal Breeding and Sustainable Production, Wuhan 430070, China
| | - Jiaojiao Wang
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yucheng Zhu
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Bohua Deng
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yucheng Liu
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Shaoshuai Wang
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Tao Hou
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Tongxing Song
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Frontiers Science Center for Animal Breeding and Sustainable Production, Wuhan 430070, China
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Guan Z, Xuanqi Z, Zhu J, Yuan W, Jia J, Zhang C, Sun T, Leng H, Jiang C, Xu Y, Song C. Estrogen deficiency induces bone loss through the gut microbiota. Pharmacol Res 2023; 196:106930. [PMID: 37722518 DOI: 10.1016/j.phrs.2023.106930] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 09/14/2023] [Accepted: 09/15/2023] [Indexed: 09/20/2023]
Abstract
Postmenopausal osteoporosis is a common bone metabolic disease, and gut microbiota (GM) imbalance plays an important role in the development of metabolic bone disease. Here, we show that ovariectomized mice had high levels of lipopolysaccharide in serum and gut microbiota dysbiosis through increases in luminal Firmicutes:Bacteroidetes ratio. We depleted the GM through antibiotic treatment and observed improvements in bone mass, bone microstructure, and bone strength in ovariectomized mice. Conversely, transplantation of GM adapted to ovariectomy induced bone loss. However, GM depletion reversed ovariectomy-induced gene expression in the tibia and increased periosteal bone formation. Furthermore, bioinformatics analysis revealed that the G-protein-coupled bile acid receptor (TGR5) and systemic inflammatory factors play key roles in bone metabolism. Silencing TGR5 expression through small interfering RNA (siRNA) in the local tibia and knockout of TGR5 attenuated the effects of GM depletion in ovariectomized mice, confirming these findings. Thus, this study highlights the critical role of the GM in inducing bone loss in ovariectomized mice and suggests that targeting TGR5 within the GM may have therapeutic potential for postmenopausal osteoporosis.
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Affiliation(s)
- Zhiyuan Guan
- Department of Orthopedics, Peking University Third Hospital, Beijing, China
| | - Zheng Xuanqi
- Department of Orthopedics, Peking University Third Hospital, Beijing, China
| | - Junxiong Zhu
- Department of Orthopedics, Peking University Third Hospital, Beijing, China
| | - Wanqiong Yuan
- Department of Orthopedics, Peking University Third Hospital, Beijing, China
| | - Jialin Jia
- Department of Orthopedics, Peking University Third Hospital, Beijing, China
| | - Chenggui Zhang
- Department of Orthopedics, Peking University Third Hospital, Beijing, China
| | - Tiantong Sun
- Department of Orthopedics, Peking University Third Hospital, Beijing, China
| | - Huijie Leng
- Beijing Key Laboratory of Spinal Diseases, Beijing, China
| | - Changtao Jiang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, and the Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
| | - Yingsheng Xu
- Department of Neurology, Peking University Third Hospital, Beijing, China
| | - Chunli Song
- Department of Orthopedics, Peking University Third Hospital, Beijing, China; Beijing Key Laboratory of Spinal Diseases, Beijing, China.
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12
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Xu J, Chen C, Gan S, Liao Y, Fu R, Hou C, Yang S, Zheng Z, Chen W. The Potential Value of Probiotics after Dental Implant Placement. Microorganisms 2023; 11:1845. [PMID: 37513016 PMCID: PMC10383117 DOI: 10.3390/microorganisms11071845] [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: 06/29/2023] [Revised: 07/15/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Dental implantation is currently the optimal solution for tooth loss. However, the health and stability of dental implants have emerged as global public health concerns. Dental implant placement, healing of the surgical site, osseointegration, stability of bone tissues, and prevention of peri-implant diseases are challenges faced in achieving the long-term health and stability of implants. These have been ongoing concerns in the field of oral implantation. Probiotics, as beneficial microorganisms, play a significant role in the body by inhibiting pathogens, promoting bone tissue homeostasis, and facilitating tissue regeneration, modulating immune-inflammatory levels. This review explores the potential of probiotics in addressing post-implantation challenges. We summarize the existing research regarding the importance of probiotics in managing dental implant health and advocate for further research into their potential applications.
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Affiliation(s)
- Jia Xu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Chenfeng Chen
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of General Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Shuaiqi Gan
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yihan Liao
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Ruijie Fu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Chuping Hou
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Shuhan Yang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Zheng Zheng
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Wenchuan Chen
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Jinjiang Out-Patient Section, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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13
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Jiang S, Zou X, Mao M, Zhang M, Tu W, Jin M. Low Ca diet leads to increased Ca retention by changing the gut flora and ileal pH value in laying hens. ANIMAL NUTRITION 2023; 13:270-281. [PMID: 37168452 PMCID: PMC10164782 DOI: 10.1016/j.aninu.2023.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 01/16/2023] [Accepted: 02/09/2023] [Indexed: 02/27/2023]
Abstract
Osteoporosis is a common degenerative metabolic bone disease in caged laying hens. Intensive egg production mobilizing large amounts of Ca from bone for eggshell formation, consequently leading to Ca deficiency, has been recognized as a critical factor causing osteoporosis in commercial laying hens. The aim of this study was to examine the effect of Ca deficiency on the function of the gut microbiota-bone axis and related egg production traits and bone health in laying hens. Twenty-four 48-week-old laying hens were fed a control diet (Control, 3.72%) or a low Ca diet (LC, 2.04%) for 60 d (n = 12). Compared to the Control hens, the LC hens had higher levels of alkaline phosphatase and tartrate resistant acid phosphatase (P < 0.05) with lower bone strength, eggshell thickness, and eggshell strength (P < 0.05). In addition, the LC hens had higher plasma estradiol concentrations, while having lower concentrations of interleukin-1 (IL-1) and IL-6. The LC hens also had a lower pH value in the ileum with an increased Ca retention. The principal co-ordinates analysis showed significantly separate cecal microbiota populations between the Control and LC hens. The Prevotellaceae_UCG-001, Subdoligranulum, Peptococcus, and Eubacterium_hallii_group (P < 0.05) were higher, while the CHKC1001 and Sutterella (P < 0.05) were lower at the genus level in the LC hens. In addition, Prevotellaceae_UCG-001, Subdoligranulum and Eubacterium_hallii_group had a negative correlation, while Sutterella was positively correlated with ileal pH values. The transcriptome analysis revealed that the low Ca diet caused 20 and 31 genes to be significantly up- and down-regulated, respectively. The gene expressions of cystic fibrosis transmembrane conductance regulator, solute carrier family 26 member 3 of the anion exchangers, and mitogen-activated protein kinase 12 of pro-inflammatory factors were lower in the LC birds, which was correlated with the lower ileal pH values. These results suggest that the hens with low Ca diet-induced osteoporosis have an increased intestinal Ca retention with a decreased ileal pH value, correlated with the changes in Prevotellaceae_UCG-001, Subdoligranulum, and Eubacterium_hallii_group of beneficial genera. The results provide insights for further understanding and preventing osteoporosis in laying hens.
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Affiliation(s)
- Sha Jiang
- Joint International Research Laboratory of Animal Health and Animal Food Safety, College of Veterinary Medicine, Southwest University, Chongqing, 400715, China
- Immunology Research Center, Medical Research Institute, Southwest University, Chongqing, 402460, China
| | - Xinyu Zou
- Joint International Research Laboratory of Animal Health and Animal Food Safety, College of Veterinary Medicine, Southwest University, Chongqing, 400715, China
| | - Miao Mao
- Joint International Research Laboratory of Animal Health and Animal Food Safety, College of Veterinary Medicine, Southwest University, Chongqing, 400715, China
| | - Mi Zhang
- Joint International Research Laboratory of Animal Health and Animal Food Safety, College of Veterinary Medicine, Southwest University, Chongqing, 400715, China
| | - Wenjun Tu
- Joint International Research Laboratory of Animal Health and Animal Food Safety, College of Veterinary Medicine, Southwest University, Chongqing, 400715, China
| | - Meilan Jin
- Laboratory Animal Center, Southwest University, Chongqing, 400715, China
- Corresponding author.
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14
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Gagnon E, Mitchell PL, Manikpurage HD, Abner E, Taba N, Esko T, Ghodsian N, Thériault S, Mathieu P, Arsenault BJ. Impact of the gut microbiota and associated metabolites on cardiometabolic traits, chronic diseases and human longevity: a Mendelian randomization study. J Transl Med 2023; 21:60. [PMID: 36717893 PMCID: PMC9887809 DOI: 10.1186/s12967-022-03799-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 11/30/2022] [Indexed: 01/31/2023] Open
Abstract
Features of the gut microbiota have been associated with several chronic diseases and longevity in preclinical models as well as in observational studies. Whether these relations underlie causal effects in humans remains to be established. We aimed to determine whether the gut microbiota influences cardiometabolic traits as well as the risk of chronic diseases and human longevity using a comprehensive 2-Sample Mendelian randomization approach. We included as exposures 10 gut-associated metabolites and pathways and 57 microbial taxa abundance. We included as outcomes nine cardiometabolic traits (fasting glucose, fasting insulin, systolic blood pressure, diastolic blood pressure, HDL cholesterol, LDL cholesterol, triglycerides, estimated glomerular filtration rate, body mass index [BMI]), eight chronic diseases previously linked with the gut microbiota in observational studies (Alzheimer's disease, depression, type 2 diabetes, non-alcoholic fatty liver disease, coronary artery disease (CAD), stroke, osteoporosis and chronic kidney disease), as well as parental lifespan and longevity. We found 7 associations with evidence of causality before and after sensitivity analyses, but not after multiple testing correction (1198 tests). Most effect sizes (4/7) were small. The two largest exposure-outcome effects were markedly attenuated towards the null upon inclusion of BMI or alcohol intake frequency in multivariable MR analyses. While finding robust genetic instruments for microbiota features is challenging hence potentially inflating type 2 errors, these results do not support a large causal impact of human gut microbita features on cardiometabolic traits, chronic diseases or longevity. These results also suggest that the previously documented associations between gut microbiota and human health outcomes may not always underly causal relations.
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Affiliation(s)
- Eloi Gagnon
- grid.421142.00000 0000 8521 1798Centre de Recherche de L’Institut Universitaire de Cardiologie et de Pneumologie de Québec, Y-3106, Pavillon Marguerite D’Youville, 2725 Chemin Ste-Foy, Québec, (QC) G1V 4G5 Canada
| | - Patricia L. Mitchell
- grid.421142.00000 0000 8521 1798Centre de Recherche de L’Institut Universitaire de Cardiologie et de Pneumologie de Québec, Y-3106, Pavillon Marguerite D’Youville, 2725 Chemin Ste-Foy, Québec, (QC) G1V 4G5 Canada
| | - Hasanga D. Manikpurage
- grid.421142.00000 0000 8521 1798Centre de Recherche de L’Institut Universitaire de Cardiologie et de Pneumologie de Québec, Y-3106, Pavillon Marguerite D’Youville, 2725 Chemin Ste-Foy, Québec, (QC) G1V 4G5 Canada
| | - Erik Abner
- grid.10939.320000 0001 0943 7661Estonian Genome Center, Institute of Genomics, University of Tartu, Riia 23B, 51010 Tartu, Estonia
| | - Nele Taba
- grid.10939.320000 0001 0943 7661Estonian Genome Center, Institute of Genomics, University of Tartu, Riia 23B, 51010 Tartu, Estonia ,grid.10939.320000 0001 0943 7661Institute of Molecular and Cell Biology, University of Tartu, Riia 23, 51010 Tartu, Estonia
| | - Tõnu Esko
- grid.10939.320000 0001 0943 7661Estonian Genome Center, Institute of Genomics, University of Tartu, Riia 23B, 51010 Tartu, Estonia
| | - Nooshin Ghodsian
- grid.421142.00000 0000 8521 1798Centre de Recherche de L’Institut Universitaire de Cardiologie et de Pneumologie de Québec, Y-3106, Pavillon Marguerite D’Youville, 2725 Chemin Ste-Foy, Québec, (QC) G1V 4G5 Canada
| | - Sébastien Thériault
- grid.421142.00000 0000 8521 1798Centre de Recherche de L’Institut Universitaire de Cardiologie et de Pneumologie de Québec, Y-3106, Pavillon Marguerite D’Youville, 2725 Chemin Ste-Foy, Québec, (QC) G1V 4G5 Canada ,grid.23856.3a0000 0004 1936 8390Department of Molecular Biology, Medical Biochemistry and Pathology, Faculty of Medicine, Université Laval, Québec, (QC) Canada
| | - Patrick Mathieu
- grid.421142.00000 0000 8521 1798Centre de Recherche de L’Institut Universitaire de Cardiologie et de Pneumologie de Québec, Y-3106, Pavillon Marguerite D’Youville, 2725 Chemin Ste-Foy, Québec, (QC) G1V 4G5 Canada ,grid.23856.3a0000 0004 1936 8390Department of Surgery, Faculty of Medicine, Université Laval, Québec, (QC) Canada
| | - Benoit J. Arsenault
- grid.421142.00000 0000 8521 1798Centre de Recherche de L’Institut Universitaire de Cardiologie et de Pneumologie de Québec, Y-3106, Pavillon Marguerite D’Youville, 2725 Chemin Ste-Foy, Québec, (QC) G1V 4G5 Canada ,grid.23856.3a0000 0004 1936 8390Department of Medicine, Faculty of Medicine, Université Laval, Québec, (QC) Canada
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15
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Zhang L, Long S, Wang H, Piao X. Dietary 25-hydroxycholecalciferol modulates gut microbiota and improves the growth, meat quality, and antioxidant status of growing-finishing pigs. Front Microbiol 2023; 13:1095509. [PMID: 36713223 PMCID: PMC9875081 DOI: 10.3389/fmicb.2022.1095509] [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: 11/11/2022] [Accepted: 12/16/2022] [Indexed: 01/12/2023] Open
Abstract
Introduction 25-Hydroxycholecalciferol (25OHD3) is the active metabolite of regular vitamin D3 in vivo, which has a stronger biological activity and is more easily absorbed by the intestine than regular vitamin D3. Our study aimed to detect the potential influences of 25OHD3 on pork quality, antioxidant status, and intestinal microbiota of growing-finishing pigs receiving low-phosphorus (P) diet. Methods and results Forty pigs [initial body weight (BW): 49.42 ± 4.01 kg] were allocated into two groups including low-P diet (CON group) and low-P diet supplemented with 50 μg/kg 25OHD3 (25OHD3 group). The whole experiment lasted for 88 days, including phase 1 (day 1-28), phase 2 (day 29-60), and phase 3 (day 61-88). The results showed that 25OHD3 supplementation tended to decrease feed conversion ratio in phase 3 and overall phase in comparison with the CON group. 25OHD3 increased (p < 0.05) serum contents of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px), and decreased (p < 0.05) serum bone-specific alkaline phosphatase level. 25OHD3 increased (p < 0.05) mucosal GSH-Px activity in the duodenum and ileum, and tended to increase redness value and the activities of total antioxidant capacity and SOD in longissimus dorsi. 25OHD3 significantly upregulated the mRNA level of copper/zinc superoxide dismutase, and tended to change the mRNA levels of nuclear factor E2-related factor 2 and kelch-like ECH-associated protein 1 in longissimus dorsi. Moreover, 25OHD3 supplementation decreased (p < 0.05) n-6/n-3 and iodine value in longissimus dorsi. For bone quality, 25OHD3 supplementation increased (p < 0.05) calcium content, bone mineral content, and breaking strength in the metacarpal bones. Moreover, the colonic abundance of Lactobacillus was significantly higher in pigs fed with 25OHD3, and exhibited a positive association with serum antioxidant status, pork quality, and bone characteristics. Conclusion Overall, the inclusion of 25OHD3 in low P diet partly improved production performance, meat quality, antioxidant capacity, bone properties, and gut microbiota composition of growing-finishing pigs.
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Affiliation(s)
- Lianhua Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China,Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing, China,China National Botanical Garden, Beijing, China
| | - Shenfei Long
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Hongliang Wang
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, China,*Correspondence: Hongliang Wang, ✉
| | - Xiangshu Piao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China,Xiangshu Piao, ✉
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16
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Ibrahim I, Syamala S, Ayariga JA, Xu J, Robertson BK, Meenakshisundaram S, Ajayi OS. Modulatory Effect of Gut Microbiota on the Gut-Brain, Gut-Bone Axes, and the Impact of Cannabinoids. Metabolites 2022; 12:metabo12121247. [PMID: 36557285 PMCID: PMC9781427 DOI: 10.3390/metabo12121247] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/30/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022] Open
Abstract
The gut microbiome is a collection of microorganisms and parasites in the gastrointestinal tract. Many factors can affect this community's composition, such as age, sex, diet, medications, and environmental triggers. The relationship between the human host and the gut microbiota is crucial for the organism's survival and development, whereas the disruption of this relationship can lead to various inflammatory diseases. Cannabidiol (CBD) and tetrahydrocannabinol (THC) are used to treat muscle spasticity associated with multiple sclerosis. It is now clear that these compounds also benefit patients with neuroinflammation. CBD and THC are used in the treatment of inflammation. The gut is a significant source of nutrients, including vitamins B and K, which are gut microbiota products. While these vitamins play a crucial role in brain and bone development and function, the influence of gut microbiota on the gut-brain and gut-bone axes extends further and continues to receive increasing scientific scrutiny. The gut microbiota has been demonstrated to be vital for optimal brain functions and stress suppression. Additionally, several studies have revealed the role of gut microbiota in developing and maintaining skeletal integrity and bone mineral density. It can also influence the development and maintenance of bone matrix. The presence of the gut microbiota can influence the actions of specific T regulatory cells, which can lead to the development of bone formation and proliferation. In addition, its metabolites can prevent bone loss. The gut microbiota can help maintain the bone's equilibrium and prevent the development of metabolic diseases, such as osteoporosis. In this review, the dual functions gut microbiota plays in regulating the gut-bone axis and gut-brain axis and the impact of CBD on these roles are discussed.
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Affiliation(s)
- Iddrisu Ibrahim
- The Microbiology Program, Department of Biological Sciences, College of Science, Technology, Engineering, and Mathematics (C-STEM), Alabama State University, Montgomery, AL 36104, USA
| | - Soumyakrishnan Syamala
- Departments of Medicine, SUNY Downstate Health Sciences University, Brooklyn, NY 11203, USA
| | - Joseph Atia Ayariga
- The Industrial Hemp Program, College of Science, Technology, Engineering, and Mathematics (C-STEM), Alabama State University, Montgomery, AL 36104, USA
- Correspondence: (J.A.A.); (O.S.A.)
| | - Junhuan Xu
- The Industrial Hemp Program, College of Science, Technology, Engineering, and Mathematics (C-STEM), Alabama State University, Montgomery, AL 36104, USA
| | - Boakai K. Robertson
- The Microbiology Program, Department of Biological Sciences, College of Science, Technology, Engineering, and Mathematics (C-STEM), Alabama State University, Montgomery, AL 36104, USA
| | - Sreepriya Meenakshisundaram
- Department of Microbiology and Biotechnology, JB Campus, Bangalore University, Bangalore 560 056, Karnataka, India
| | - Olufemi S. Ajayi
- The Industrial Hemp Program, College of Science, Technology, Engineering, and Mathematics (C-STEM), Alabama State University, Montgomery, AL 36104, USA
- Correspondence: (J.A.A.); (O.S.A.)
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17
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Artoni de Carvalho JA, Magalhães LR, Polastri LM, Batista IET, de Castro Bremer S, Caetano HRDS, Rufino MN, Bremer-Neto H. Prebiotics improve osteoporosis indicators in a preclinical model: systematic review with meta-analysis. Nutr Rev 2022; 81:nuac097. [PMID: 36474436 DOI: 10.1093/nutrit/nuac097] [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] [Indexed: 02/17/2024] Open
Abstract
CONTEXT Studies using experimental models have demonstrated that prebiotics are involved in antiosteoporotic mechanisms. OBJECTIVE This study was conducted to determine the impact of supplementation with prebiotics in the basal diet of ovariectomized rats with induced osteoporosis as a preclinical model. METHODS A comprehensive systematic search was carried out in the electronic databases PubMed, Science Direct, Web of Science, Scielo, and Google through March 2022 for studies that investigated the impact of prebiotics on bone mineral density (BMD), bone mineral content (BMC), and bone biomechanics. RESULTS The search returned 844 complete articles, abstracts, or book chapters. After detailed screening, 8 studies met the inclusion criteria. Rats (n = 206), were randomly divided between control and treatment groups. Weighted mean differences (WMDs) with the 95%CIs were used to estimate the combined effect size. Compared with the control group, dietary intake of prebiotics significantly increased bone density in the BMD subgroups, with WMDs as follows: 0.03 g/cm3, 95%CI, 0.01-0.05, P < 0.00001, n = 46; and 0.00 g/cm2, 95%CI, 0.00-0.02, P < 0.00001, n = 81; total BMD: WMD, 0.01, 95%CI, 0.01-0.02, P < 0.00001, n = 127; bone content in BMC: WMD, 0.02 g, 95%CI, 0.00-0.04, P = 0.05, n = 107; and the 3-point-bend test: WMD, 15.20 N, 95%CI, 5.92-24.47, P = 0.00001, n = 120. CONCLUSION Prebiotics improve indicators of osteoporosis, BMD, BMC, and bone biomechanics in ovariectomized rats. More studies are needed to increase the level of evidence. SYSTEMIC REVIEW REGISTRATION Systematic Review Protocol for Animal Intervention Studies.
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Affiliation(s)
- João Alberto Artoni de Carvalho
- Department of Orthopedics and Traumatology, Medicine School of Presidente Prudente, Western Sao Paulo University, Presidente Prudente, São Paulo, Brazil
| | - Leticia Rocha Magalhães
- Department of Orthopedics and Traumatology, Medicine School of Presidente Prudente, Western Sao Paulo University, Presidente Prudente, São Paulo, Brazil
| | - Laryssa Mayara Polastri
- Department of Orthopedics and Traumatology, Medicine School of Presidente Prudente, Western Sao Paulo University, Presidente Prudente, São Paulo, Brazil
| | - Ingrid Eloise Trombine Batista
- Department of Orthopedics and Traumatology, Medicine School of Presidente Prudente, Western Sao Paulo University, Presidente Prudente, São Paulo, Brazil
| | | | - Heliard Rodrigues Dos Santos Caetano
- Department of Functional Sciences, Health Technology Assessment Nucleus of the Medical School of Presidente Prudente, Western Sao Paulo University, Presidente Prudente, São Paulo, Brazil
| | - Marcos Natal Rufino
- Department of Functional Sciences, Health Technology Assessment Nucleus of the Medical School of Presidente Prudente, Western Sao Paulo University, Presidente Prudente, São Paulo, Brazil
| | - Hermann Bremer-Neto
- Department of Functional Sciences, Health Technology Assessment Nucleus of the Medical School of Presidente Prudente, Western Sao Paulo University, Presidente Prudente, São Paulo, Brazil
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18
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He Y, Huang J, Li Q, Xia W, Zhang C, Liu Z, Xiao J, Yi Z, Deng H, Xiao Z, Hu J, Li H, Zu X, Quan C, Chen J. Gut Microbiota and Tumor Immune Escape: A New Perspective for Improving Tumor Immunotherapy. Cancers (Basel) 2022; 14:5317. [PMID: 36358736 PMCID: PMC9656981 DOI: 10.3390/cancers14215317] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/17/2022] [Accepted: 10/25/2022] [Indexed: 10/15/2023] Open
Abstract
The gut microbiota is a large symbiotic community of anaerobic and facultative aerobic bacteria inhabiting the human intestinal tract, and its activities significantly affect human health. Increasing evidence has suggested that the gut microbiome plays an important role in tumor-related immune regulation. In the tumor microenvironment (TME), the gut microbiome and its metabolites affect the differentiation and function of immune cells regulating the immune evasion of tumors. The gut microbiome can indirectly influence individual responses to various classical tumor immunotherapies, including immune checkpoint inhibitor therapy and adoptive immunotherapy. Microbial regulation through antibiotics, prebiotics, and fecal microbiota transplantation (FMT) optimize the composition of the gut microbiome, improving the efficacy of immunotherapy and bringing a new perspective and hope for tumor treatment.
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Affiliation(s)
- Yunbo He
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410013, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410013, China
| | - Jinliang Huang
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410013, China
| | - Qiaorong Li
- Department of Ultrasound, Hunan Provincial People’s Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410000, China
| | - Weiping Xia
- Department of Intensive Care Medicine, Xiangya Hospital, Central South University, Changsha 410013, China
| | - Chunyu Zhang
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410013, China
| | - Zhi Liu
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410013, China
| | - Jiatong Xiao
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410013, China
| | - Zhenglin Yi
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410013, China
| | - Hao Deng
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410013, China
| | - Zicheng Xiao
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410013, China
| | - Jiao Hu
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410013, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410013, China
| | - Huihuang Li
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410013, China
| | - Xiongbing Zu
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410013, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410013, China
| | - Chao Quan
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410013, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410013, China
| | - Jinbo Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410013, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410013, China
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Zhang Y, Ding Y, Mo Q, Kulyar MFEA, He Y, Yao W, Quan C, Gong S, Li F, Fu Y, Iqbal M, Xiao Y, Li J. Sodium butyrate ameliorates thiram-induced tibial dyschondroplasia and gut microbial dysbiosis in broiler chickens. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 245:114134. [PMID: 36183428 DOI: 10.1016/j.ecoenv.2022.114134] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 09/15/2022] [Accepted: 09/28/2022] [Indexed: 06/16/2023]
Abstract
Thiram is a dithiocarbamate pesticide widely used in agriculture as a fungicide for storing grains to prevent fungal diseases. However, its residues have threatened the safety of human beings and the stability of the ecosystem by causing different disease conditions, e.g., tibial dyschondroplasia (TD), which results in a substantial economic loss for the poultry industry. So, the research on TD has a great concern for the industry and the overall GDP of a country. In current study, we investigated whether different concentrations (300, 500, and 700 mg/kg) of sodium butyrate alleviated TD induced under acute thiram exposure by regulating osteogenic gene expression, promoting chondrocyte differentiation, and altering the gut microbial community. According to the findings, sodium butyrate restored clinical symptoms in broilers, improved growth performance, bone density, angiogenesis, and chondrocyte morphology and arrangement. It could activate the signal transduction of the Wnt/β-catenin pathway, regulate the expression of GSK-3β and β-catenin, and further promote the production of osteogenic transcription factors Runx2 and OPN for restoration of lameness. In addition, the 16S rRNA sequencing revealed a significantly different community composition among the groups. The TD group increased the abundance of the harmful bacteria Proteobacteria, Subdoligranulum, and Erysipelatoclostridium. The sodium butyrate enriched many beneficial bacteria, such as Bacteroidetes, Verrucomicrobia, Faecalibacterium, Barnesiella, Rikenella, and Butyricicoccus, etc., especially at the concentration of 500 mg/kg. The mentioned concentration significantly limited the intestinal disorders under thiram exposure, and restored bone metabolism.
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Affiliation(s)
- Yan Zhang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Yanmei Ding
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Quan Mo
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Muhammad Fakhar-E-Alam Kulyar
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China; Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Yuanyuan He
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Wangyuan Yao
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Chuxian Quan
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Saisai Gong
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Feiran Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Yuhang Fu
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Mudassar Iqbal
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China; Faculty of Veterinary and Animal Sciences, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Yuncai Xiao
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China.
| | - Jiakui Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China; College of Animals Husbandry and Veterinary Medicine, Tibet Agricultural and Animal Husbandry University, Linzhi, Tibet 860000, PR China.
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20
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Zemanova N, Omelka R, Mondockova V, Kovacova V, Martiniakova M. Roles of Gut Microbiome in Bone Homeostasis and Its Relationship with Bone-Related Diseases. BIOLOGY 2022; 11:1402. [PMID: 36290306 PMCID: PMC9598716 DOI: 10.3390/biology11101402] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [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
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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Affiliation(s)
- Nina Zemanova
- Department of Botany and Genetics, Faculty of Natural Sciences and Informatics, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia
| | - Radoslav Omelka
- Department of Botany and Genetics, Faculty of Natural Sciences and Informatics, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia
| | - Vladimira Mondockova
- Department of Botany and Genetics, Faculty of Natural Sciences and Informatics, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia
| | - Veronika Kovacova
- Department of Zoology and Anthropology, Faculty of Natural Sciences and Informatics, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia
| | - Monika Martiniakova
- Department of Zoology and Anthropology, Faculty of Natural Sciences and Informatics, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia
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21
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Yang X, Chang T, Yuan Q, Wei W, Wang P, Song X, Yuan H. Changes in the composition of gut and vaginal microbiota in patients with postmenopausal osteoporosis. Front Immunol 2022; 13:930244. [PMID: 36032115 PMCID: PMC9411790 DOI: 10.3389/fimmu.2022.930244] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 07/27/2022] [Indexed: 11/13/2022] Open
Abstract
Background Postmenopausal osteoporosis (PMO) is influenced by estrogen metabolism and immune response, which are modulated by several factors including the microbiome and inflammation. Therefore, there is increasing interest in understanding the role of microbiota in PMO. Objectives To investigate variations in gut microbiota (GM) and vaginal microbiota (VM) in postmenopausal women with osteoporosis. Methods A total of 132 postmenopausal women were recruited for the study and divided into osteoporosis (n = 34), osteopenia (n = 47), and control (n = 51) groups based on their T score. The serum levels of interleukin (IL)-10, tumor necrosis factor (TNF)-α, and lipopolysaccharide-binding protein were determined via enzyme-linked immunosorbent assay. Additionally, 16S rRNA gene V3-V4 region sequencing was performed to investigate the GM and VM of the participants. Results Significant differences were observed in the microbial compositions of fecal and vaginal samples between groups (p < 0.05). It was noted that for GM, Romboutsia, unclassified_Mollicutes, and Weissella spp. were enriched in the control group, whereas the abundances of Fusicatenibacter, Lachnoclostridium, and Megamonas spp. were higher in the osteoporosis group than in the other groups. Additionally, for VM, Lactobacillus was enriched in the control group, whereas the abundances of Peptoniphilus, Propionimicrobium, and Gallicola spp. were higher in the osteoporosis group than in the other groups. The predicted functional capacities of GM and VM were different in the various groups. We also found that the serum level of IL-10 in the osteoporosis group was significantly lower than that in the control group and osteopenia group, while TNF-α was significantly higher in the osteoporosis group than that in the control group (p < 0.05). Conclusion The results show that changes in BMD in postmenopausal women are associated with the changes in GM and VM; however, changes in GM are more closely correlated with PMO than VM.
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Affiliation(s)
- Xueli Yang
- Department of Endocrinology of Henan Provincial People’s Hospital, Henan Provincial Key Laboratory of Intestinal Microecology and Diabetes Control, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, China
| | - Tian Chang
- Department of Endocrinology of Henan Provincial People’s Hospital, Henan Provincial Key Laboratory of Intestinal Microecology and Diabetes Control, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, China
- Department of Medical and Health, Zhengzhou University Press, Zhengzhou, China
| | - Qian Yuan
- Department of Endocrinology of Henan Provincial People’s Hospital, Henan Provincial Key Laboratory of Intestinal Microecology and Diabetes Control, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, China
| | - Wei Wei
- Department of Endocrinology of Henan Provincial People’s Hospital, Henan Provincial Key Laboratory of Intestinal Microecology and Diabetes Control, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, China
| | - Pingping Wang
- Department of Endocrinology of Henan Provincial People’s Hospital, Henan Provincial Key Laboratory of Intestinal Microecology and Diabetes Control, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, China
| | - Xiaojian Song
- Department of Endocrinology of Henan Provincial People’s Hospital, Henan Provincial Key Laboratory of Intestinal Microecology and Diabetes Control, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, China
| | - Huijuan Yuan
- Department of Endocrinology of Henan Provincial People’s Hospital, Henan Provincial Key Laboratory of Intestinal Microecology and Diabetes Control, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, China
- *Correspondence: Huijuan Yuan,
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Jiang Y, Kang Zhuo BM, Guo B, Zeng PB, Guo YM, Chen GB, Wei J, He RF, Li ZF, Zhang XH, Wang ZY, Li X, Wang L, Zeng CM, Chen L, Xiao X, Zhao X. Living near greenness is associated with higher bone strength: A large cross-sectional epidemiological study in China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 831:155393. [PMID: 35461937 DOI: 10.1016/j.scitotenv.2022.155393] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/15/2022] [Accepted: 04/15/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Living near green spaces may benefit various health outcomes. However, no studies have investigated the greenness-bone linkage in the general population. Moreover, to which extent ambient air pollution (AAP), physical activity (PA), and body mass index (BMI) mediate this relationship remains unclear. We aimed to explore the association between greenness and bone strength and the potential mediating roles of AAP, PA, and BMI in Chinese adults. METHODS This cross-sectional analysis enrolled 66,053 adults from the China Multi-Ethnic Cohort in 2018-2019. The normalized difference vegetation index (NDVI) and enhanced vegetation index (EVI) were employed to define residential greenness. The calcaneus quantitative ultrasound index (QUI) was used to indicate bone strength. Multiple linear regression models and mediation analyses were used to estimate the residential greenness-bone strength association and potential pathways operating through AAP (represented by PM2.5 [particulate matter <2.5 μm in diameter]), PA, and BMI. Stratification analyses were performed to identify susceptible populations. RESULTS Higher residential exposure to greenness was significantly associated with an increase in QUI, with changes (95% confidence interval) of 3.28 (3.05, 3.50), 3.57 (3.34, 3.80), 2.68 (2.46, 2.90), and 2.93 (2.71, 3.15) for every interquartile range increase in NDVI500m, NDVI1000m, EVI500m, and EVI1000m, respectively. Sex, urbanicity, annual family income, smoking, and drinking significantly modified the association of greenness-bone strength, with more remarkable associations in males, urban residents, subjects from wealthier families, smokers, and drinkers. For the NDVI500m/EVI500m-QUI relationship, the positive mediating roles of PM2.5 and PA were 6.70%/8.50 and 2.43%/2.69%, respectively, whereas those negative for BMI and PA-BMI were 0.88%/1.06% and 0.05%/0.05%, respectively. CONCLUSION Living in a greener area may predict higher bone strength, particularly among males, urban residents, wealthier people, smokers, and drinkers. AAP, PA, BMI, and other factors may partially mediate the positive association. Our findings underscore the importance of optimizing greenness planning and management policies.
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Affiliation(s)
- Ye Jiang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Bai Ma Kang Zhuo
- Division of Pulmonary Diseases, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China; School of Medicine, Tibet University, Lhasa, Tibet, China
| | - Bing Guo
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Pei-Bin Zeng
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yu-Ming Guo
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Gong-Bo Chen
- Guangdong Provincial Engineering Technology Research Center of Environmental and Health Risk Assessment, Department of Occupational and Environmental Health, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Jing Wei
- Department of Atmospheric and Oceanic Science, Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA
| | - Rui-Feng He
- Tibet Center for Disease Control and Prevention, Lhasa, Tibet, China
| | - Zhi-Feng Li
- Chongqing Municipal Center for Disease Control and Prevention, Chongqing, China
| | - Xue-Hui Zhang
- School of public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Zi-Yun Wang
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, China
| | - Xuan Li
- Jianyang Center for Disease Control and Prevention, Chengdu, Sichuan, China
| | - Lei Wang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Chun-Mei Zeng
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Lin Chen
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xiong Xiao
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China.
| | - Xing Zhao
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
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He W, Jakobsen LMA, Zachariassen LF, Hansen AK, Andersen HJ, Bertram HC. Dual nuclear magnetic resonance for probing intrinsic bone structure and a potential gut-bone axis in ovariectomized rats. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2022; 60:651-658. [PMID: 34969169 DOI: 10.1002/mrc.5244] [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: 09/14/2021] [Revised: 12/21/2021] [Accepted: 12/22/2021] [Indexed: 06/14/2023]
Abstract
Currently, the existence of a gut-bone axis receives massive attention, and while sound premises and indirect proofs exist for the gut-bone axis concept, few studies have provided actual data linking the gut and bone physically. This study aimed to exploit the versatile nature of nuclear magnetic resonance (NMR) to link NMR relaxometry data on bone mineralization with NMR spectroscopic profiling of gut metabolites. For this purpose, sample material was obtained from a 6-week intervention study with ovariectomized (OVX) rats (n = 49) fed with seven different diets varying in calcium content (0.2-6.0 mg/kg) and prebiotic fiber content (0-5.0% w/w). This design ensured a span in (i) calcium available for bone mineralization and (ii) metabolic activity in the gut. After termination of the intervention, longitudinal (T1 ), transverse (T2 ) relaxation, and mechanical bone strength were measured on the excised femur bones. A PLS model with high predictability (Q2 = 0.86, R2 = 0.997) was demonstrated between T2 decay curves and femur mechanical strength. Correlations were established between bone T2 populations and gut short-chain fatty acids. In conclusion, the present dual NMR approach showed strong correlation between T2 relaxation and mechanical strength of the bone, and when metabolic activity in the gut was modulated by inulin, the potential existence of a gut-bone axis was demonstrated.
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Affiliation(s)
- Weiwei He
- Department of Food Science, Aarhus University, Aarhus, Denmark
| | | | - Line F Zachariassen
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Axel K Hansen
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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Lian WS, Wang FS, Chen YS, Tsai MH, Chao HR, Jahr H, Wu RW, Ko JY. Gut Microbiota Ecosystem Governance of Host Inflammation, Mitochondrial Respiration and Skeletal Homeostasis. Biomedicines 2022; 10:biomedicines10040860. [PMID: 35453611 PMCID: PMC9030723 DOI: 10.3390/biomedicines10040860] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 03/28/2022] [Accepted: 03/31/2022] [Indexed: 02/06/2023] Open
Abstract
Osteoporosis and osteoarthritis account for the leading causes of musculoskeletal dysfunction in older adults. Senescent chondrocyte overburden, inflammation, oxidative stress, subcellular organelle dysfunction, and genomic instability are prominent features of these age-mediated skeletal diseases. Age-related intestinal disorders and gut dysbiosis contribute to host tissue inflammation and oxidative stress by affecting host immune responses and cell metabolism. Dysregulation of gut microflora correlates with development of osteoarthritis and osteoporosis in humans and rodents. Intestinal microorganisms produce metabolites, including short-chain fatty acids, bile acids, trimethylamine N-oxide, and liposaccharides, affecting mitochondrial function, metabolism, biogenesis, autophagy, and redox reactions in chondrocytes and bone cells to regulate joint and bone tissue homeostasis. Modulating the abundance of Lactobacillus and Bifidobacterium, or the ratio of Firmicutes and Bacteroidetes, in the gut microenvironment by probiotics or fecal microbiota transplantation is advantageous to suppress age-induced chronic inflammation and oxidative damage in musculoskeletal tissue. Supplementation with gut microbiota-derived metabolites potentially slows down development of osteoarthritis and osteoporosis. This review provides latest molecular and cellular insights into the biological significance of gut microorganisms and primary and secondary metabolites important to cartilage and bone integrity. It further highlights treatment options with probiotics or metabolites for modulating the progression of these two common skeletal disorders.
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Affiliation(s)
- Wei-Shiung Lian
- Core Laboratory for Phenomics and Diagnostics, Department of Medical Research and Chang Gung University College of Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan; (W.-S.L.); (F.-S.W.); (Y.-S.C.)
- Center for Mitochondrial Research and Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan
| | - Feng-Sheng Wang
- Core Laboratory for Phenomics and Diagnostics, Department of Medical Research and Chang Gung University College of Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan; (W.-S.L.); (F.-S.W.); (Y.-S.C.)
- Center for Mitochondrial Research and Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan
| | - Yu-Shan Chen
- Core Laboratory for Phenomics and Diagnostics, Department of Medical Research and Chang Gung University College of Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan; (W.-S.L.); (F.-S.W.); (Y.-S.C.)
- Center for Mitochondrial Research and Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan
| | - Ming-Hsien Tsai
- Department of Child Care, College of Humanities and Social Sciences, National Pingtung University of Science and Technology, No.1, Shuefu Road, Pingtung 91201, Taiwan;
- Emerging Compounds Research Center, General Research Service Center, National Pingtung University of Science and Technology, No.1, Shuefu Road, Pingtung 91201, Taiwan;
| | - How-Ran Chao
- Emerging Compounds Research Center, General Research Service Center, National Pingtung University of Science and Technology, No.1, Shuefu Road, Pingtung 91201, Taiwan;
- Department of Environmental Science and Engineering, College of Engineering, National Pingtung University of Science and Technology, No.1, Shuefu Road, Pingtung 91201, Taiwan
| | - Holger Jahr
- Department of Anatomy and Cell Biology, University Hospital RWTH, 52074 Aachen, Germany;
- Department of Orthopedic Surgery, Maastricht University Medical Center, 6229 ER Maastricht, The Netherlands
| | - Re-Wen Wu
- Department of Orthopedic Surgery, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan;
| | - Jih-Yang Ko
- Department of Orthopedic Surgery, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan;
- Correspondence: ; Tel.: +88-67-731-7123
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He W, Xie Z, Thøgersen R, Rasmussen MK, Zachariassen LF, Jørgensen NR, Nørgaard JV, Andersen HJ, Nielsen DS, Hansen AK, Bertram HC. Effects of Calcium Source, Inulin, and Lactose on Gut-Bone Associations in an Ovarierectomized Rat Model. Mol Nutr Food Res 2022; 66:e2100883. [PMID: 35107857 PMCID: PMC9287054 DOI: 10.1002/mnfr.202100883] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 01/11/2022] [Indexed: 11/07/2022]
Abstract
SCOPE Osteoporosis poses a health challenge especially for postmenopausal women. This study aims to explore nutritional strategies to counteract bone demineralization in ovarierectomized (OVX) rats. METHODS AND RESULTS OVX rats (n = 49) are fed with one of six different diets, where two different calcium sources (dairy calcium or calcium carbonate) are provided alone or in combination with either inulin (5%) or lactose (0.5%). In addition, a calcium-deficient diet is included. Calcium supplementation increases intestinal concentrations of short-chain fatty acids (SCFAs) and the abundance of fecal Acinetobacter and Propionibacterium. Accompanied with these effects, rats fed with calcium-fortified diets have higher bone mineral density, bone mineral content and femur mechanical strength, lower serum levels of bone markers, and lower expression of calcium absorption-related genes (transient receptor potential vanilloid type 6 (TRPV6), calcium-binding protein (CaBP) compared with control. Inulin supplementation results in a markedly increased production of intestinal SCFAs, a decreased intestinal pH, an increased abundance of Allobaculum and Bifidobacterium, and an increased expression of Trpv6. Inulin and lactose show beneficial effects on spine bone. CONCLUSION Calcium modulates gut microbiome composition and function. A pronounced effect of inulin on metabolic activity in the gastrointestinal tract is evident, and lactose supplementation decreases jejunal pH that might be associated with slightly enhanced bone mineralization.
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Affiliation(s)
- Weiwei He
- Department of Food ScienceAarhus UniversityAgro Food Park 48Aarhus NDK‐8200Denmark
| | - Zhuqing Xie
- Department of Food ScienceFaculty of ScienceUniversity of CopenhagenDenmark
| | - Rebekka Thøgersen
- Department of Food ScienceAarhus UniversityAgro Food Park 48Aarhus NDK‐8200Denmark
| | | | - Line F. Zachariassen
- Department of Veterinary and Animal SciencesFaculty of Health and Medical SciencesUniversity of CopenhagenDenmark
| | - Niklas Rye Jørgensen
- Department of Clinical BiochemistryRigshospitalet, GlostrupDenmark and Institute of Clinical MedicineFaculty of Health and Medical SciencesUniversity of CopenhagenDenmark
| | | | | | - Dennis S. Nielsen
- Department of Food ScienceFaculty of ScienceUniversity of CopenhagenDenmark
| | - Axel K. Hansen
- Department of Veterinary and Animal SciencesFaculty of Health and Medical SciencesUniversity of CopenhagenDenmark
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Terkawi MA, Matsumae G, Shimizu T, Takahashi D, Kadoya K, Iwasaki N. Interplay between Inflammation and Pathological Bone Resorption: Insights into Recent Mechanisms and Pathways in Related Diseases for Future Perspectives. Int J Mol Sci 2022; 23:1786. [PMID: 35163708 PMCID: PMC8836472 DOI: 10.3390/ijms23031786] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/01/2022] [Accepted: 02/03/2022] [Indexed: 02/01/2023] Open
Abstract
Bone is a mineralized and elastic connective tissue that provides fundamental functions in the human body, including mechanical support to the muscles and joints, protection of vital organs and storage of minerals. Bone is a metabolically active organ that undergoes continuous remodeling processes to maintain its architecture, shape, and function throughout life. One of the most important medical discoveries of recent decades has been that the immune system is involved in bone remodeling. Indeed, chronic inflammation has been recognized as the most significant factor influencing bone homeostasis, causing a shift in the bone remodeling process toward pathological bone resorption. Bone osteolytic diseases typified by excessive bone resorption account for one of the greatest causes of disability worldwide, with significant economic and public health burdens. From this perspective, we discuss the recent findings and discoveries highlighting the cellular and molecular mechanisms that regulate this process in the bone microenvironment, in addition to the current therapeutic strategies for the treatment of osteolytic bone diseases.
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Affiliation(s)
- M Alaa Terkawi
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nish-7, Kita-ku, Sapporo 060-8638, Japan; (G.M.); (T.S.); (D.T.); (K.K.); (N.I.)
| | - Gen Matsumae
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nish-7, Kita-ku, Sapporo 060-8638, Japan; (G.M.); (T.S.); (D.T.); (K.K.); (N.I.)
| | - Tomohiro Shimizu
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nish-7, Kita-ku, Sapporo 060-8638, Japan; (G.M.); (T.S.); (D.T.); (K.K.); (N.I.)
| | - Daisuke Takahashi
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nish-7, Kita-ku, Sapporo 060-8638, Japan; (G.M.); (T.S.); (D.T.); (K.K.); (N.I.)
| | - Ken Kadoya
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nish-7, Kita-ku, Sapporo 060-8638, Japan; (G.M.); (T.S.); (D.T.); (K.K.); (N.I.)
| | - Norimasa Iwasaki
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nish-7, Kita-ku, Sapporo 060-8638, Japan; (G.M.); (T.S.); (D.T.); (K.K.); (N.I.)
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Zhu Y, Liu S, Mei F, Zhao M, Xia G, Shen X. Tilapia nilotica Head Lipids Improved Bone Loss by Regulating Inflammation and Serum Metabolism Through Gut Microbiota in Ovariectomized Rats. Front Nutr 2022; 8:792793. [PMID: 35096937 PMCID: PMC8789877 DOI: 10.3389/fnut.2021.792793] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 12/08/2021] [Indexed: 12/13/2022] Open
Abstract
Osteoporosis is a global health problem, and it is of great significance to replace the drugs with natural functional factors. In this study, we investigated the antiosteoporotic activity of lipids prepared from Tilapia nilotica fish head lipids (THLs) in the ovariectomized osteoporosis rats. THLs are composed of neutral lipids (NL, 77.84%), phospholipids (PL, 11.86%), and glycolipids (GL, 6.47%). There were apparent differences in the fatty acid composition of disparate components, and PL contains the most abundant Ω-3 polyunsaturated fatty acids. The results proved that THLs could improve bone microstructure, increase bone mineral density, and decrease bone resorption. To illustrate the antiosteoporotic mechanism, we analyzed the changes in gut microbial communities, proinflammation factors, serum metabolites, and metabolic pathways. Further study on gut microbiota showed that THLs significantly decreased the content of Alistipes in the gut and dramatically increased the beneficial bacteria such as Oscillospira, Roseburia, and Dubosiella. Meanwhile, proinflammation factors of serum in OVX rats decreased significantly, and metabolites were changed. Therefore, we speculated that THLs improved bone loss through reducing inflammation and changing the metabolites and metabolic pathways such as arachidonic acid metabolism and primary bile acid metabolism, etc., by altering gut microbiota. The results indicated that THLs could be a functional factor with antiosteoporotic activity.
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Affiliation(s)
- Yujie Zhu
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Key Laboratory of Seafood Processing of Haikou, Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, College of Food Science and Technology, Hainan University, Hainan, China.,Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Ocean University, Zhanjiang, China.,Collaborative Innovation Center of Provincial and Ministerial Co-construction for Marine Food Deep Processing, Dalian Polytechnic University, Dalian, China
| | - Shucheng Liu
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Ocean University, Zhanjiang, China
| | - Fengfeng Mei
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Key Laboratory of Seafood Processing of Haikou, Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, College of Food Science and Technology, Hainan University, Hainan, China.,Collaborative Innovation Center of Provincial and Ministerial Co-construction for Marine Food Deep Processing, Dalian Polytechnic University, Dalian, China
| | - Meihui Zhao
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Key Laboratory of Seafood Processing of Haikou, Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, College of Food Science and Technology, Hainan University, Hainan, China.,Collaborative Innovation Center of Provincial and Ministerial Co-construction for Marine Food Deep Processing, Dalian Polytechnic University, Dalian, China
| | - Guanghua Xia
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Key Laboratory of Seafood Processing of Haikou, Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, College of Food Science and Technology, Hainan University, Hainan, China.,Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Ocean University, Zhanjiang, China.,Collaborative Innovation Center of Provincial and Ministerial Co-construction for Marine Food Deep Processing, Dalian Polytechnic University, Dalian, China
| | - Xuanri Shen
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Key Laboratory of Seafood Processing of Haikou, Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, College of Food Science and Technology, Hainan University, Hainan, China.,Collaborative Innovation Center of Provincial and Ministerial Co-construction for Marine Food Deep Processing, Dalian Polytechnic University, Dalian, China
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Tavella T, Rampelli S, Guidarelli G, Bazzocchi A, Gasperini C, Pujos-Guillot E, Comte B, Barone M, Biagi E, Candela M, Nicoletti C, Kadi F, Battista G, Salvioli S, O’Toole PW, Franceschi C, Brigidi P, Turroni S, Santoro A. Elevated gut microbiome abundance of Christensenellaceae, Porphyromonadaceae and Rikenellaceae is associated with reduced visceral adipose tissue and healthier metabolic profile in Italian elderly. Gut Microbes 2022; 13:1-19. [PMID: 33557667 PMCID: PMC7889099 DOI: 10.1080/19490976.2021.1880221] [Citation(s) in RCA: 120] [Impact Index Per Article: 60.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Aging is accompanied by physiological changes affecting body composition and functionality, including accumulation of fat mass at the expense of muscle mass, with effects upon morbidity and quality of life. The gut microbiome has recently emerged as a key environmental modifier of human health that can modulate healthy aging and possibly longevity. However, its associations with adiposity in old age are still poorly understood. Here we profiled the gut microbiota in a well-characterized cohort of 201 Italian elderly subjects from the NU-AGE study, by 16S rRNA amplicon sequencing. We then tested for association with body composition from dual-energy X-ray absorptiometry (DXA), with a focus on visceral and subcutaneous adipose tissue. Dietary patterns, serum metabolome and other health-related parameters were also assessed. This study identified distinct compositional structures of the elderly gut microbiota associated with DXA parameters, diet, metabolic profiles and cardio-metabolic risk factors.
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Affiliation(s)
- Teresa Tavella
- Unit of Microbiome Science and Biotechnology, Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Simone Rampelli
- Unit of Microbiome Science and Biotechnology, Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Giulia Guidarelli
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - Alberto Bazzocchi
- Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Chiara Gasperini
- Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Estelle Pujos-Guillot
- Université Clermont Auvergne, INRAE, UNH, Plateforme d’Exploration Du Métabolisme, MetaboHUB Clermont, Clermont- Ferrand, France
| | - Blandine Comte
- Université Clermont Auvergne, INRAE, UNH, Plateforme d’Exploration Du Métabolisme, MetaboHUB Clermont, Clermont- Ferrand, France
| | - Monica Barone
- Unit of Microbiome Science and Biotechnology, Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Elena Biagi
- Unit of Microbiome Science and Biotechnology, Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Marco Candela
- Unit of Microbiome Science and Biotechnology, Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Claudio Nicoletti
- Gut Health Institute Strategic Programme, Quadram Institute Bioscience, Norwich, UK,Department of Experimental and Clinical Medicine, Section of Anatomy, University of Florence, Florence, Italy
| | - Fawzi Kadi
- School of Health Sciences, Örebro University, Örebro, Sweden
| | - Giuseppe Battista
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - Stefano Salvioli
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy,Alma Mater Research Institute on Global Challenges and Climate Change (Alma Climate), University of Bologna, Bologna, Italy
| | - Paul W. O’Toole
- School of Microbiology, University College Cork, Cork, Ireland,APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Claudio Franceschi
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy,Department of Applied Mathematics, Institute of Information Technology, Mathematics and Mechanics (ITMM), Lobachevsky State University of Nizhny Novgorod-National Research University (UNN), Nizhny Novgorod, Russia
| | - Patrizia Brigidi
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Silvia Turroni
- Unit of Microbiome Science and Biotechnology, Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy,CONTACT Silvia Turroni
| | - Aurelia Santoro
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy,Alma Mater Research Institute on Global Challenges and Climate Change (Alma Climate), University of Bologna, Bologna, Italy
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29
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Rondanelli M, Faliva MA, Barrile GC, Cavioni A, Mansueto F, Mazzola G, Oberto L, Patelli Z, Pirola M, Tartara A, Riva A, Petrangolini G, Peroni G. Nutrition, Physical Activity, and Dietary Supplementation to Prevent Bone Mineral Density Loss: A Food Pyramid. Nutrients 2021; 14:74. [PMID: 35010952 PMCID: PMC8746518 DOI: 10.3390/nu14010074] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 12/21/2021] [Accepted: 12/21/2021] [Indexed: 12/15/2022] Open
Abstract
Bone is a nutritionally modulated tissue. Given this background, aim of this review is to evaluate the latest data regarding ideal dietary approach in order to reduce bone mineral density loss and to construct a food pyramid that allows osteopenia/osteoporosis patients to easily figure out what to eat. The pyramid shows that carbohydrates should be consumed every day (3 portions of whole grains), together with fruits and vegetables (5 portions; orange-colored fruits and vegetables and green leafy vegetables are to be preferred), light yogurt (125 mL), skim milk (200 mL,) extra virgin olive oil (almost 20 mg/day), and calcium water (almost 1 l/day); weekly portions should include fish (4 portions), white meat (3 portions), legumes (2 portions), eggs (2 portions), cheeses (2 portions), and red or processed meats (once/week). At the top of the pyramid, there are two pennants: one green means that osteopenia/osteoporosis subjects need some personalized supplementation (if daily requirements cannot be satisfied through diet, calcium, vitamin D, boron, omega 3, and isoflavones supplementation could be an effective strategy with a great benefit/cost ratio), and one red means that there are some foods that are banned (salt, sugar, inorganic phosphate additives). Finally, three to four times per week of 30-40 min of aerobic and resistance exercises must be performed.
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Affiliation(s)
- Mariangela Rondanelli
- IRCCS Mondino Foundation, 27100 Pavia, Italy;
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy
| | - Milena Anna Faliva
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona “Istituto Santa Margherita”, University of Pavia, 27100 Pavia, Italy; (M.A.F.); (G.C.B.); (A.C.); (F.M.); (G.M.); (L.O.); (Z.P.); (M.P.); (A.T.)
| | - Gaetan Claude Barrile
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona “Istituto Santa Margherita”, University of Pavia, 27100 Pavia, Italy; (M.A.F.); (G.C.B.); (A.C.); (F.M.); (G.M.); (L.O.); (Z.P.); (M.P.); (A.T.)
| | - Alessandro Cavioni
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona “Istituto Santa Margherita”, University of Pavia, 27100 Pavia, Italy; (M.A.F.); (G.C.B.); (A.C.); (F.M.); (G.M.); (L.O.); (Z.P.); (M.P.); (A.T.)
| | - Francesca Mansueto
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona “Istituto Santa Margherita”, University of Pavia, 27100 Pavia, Italy; (M.A.F.); (G.C.B.); (A.C.); (F.M.); (G.M.); (L.O.); (Z.P.); (M.P.); (A.T.)
| | - Giuseppe Mazzola
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona “Istituto Santa Margherita”, University of Pavia, 27100 Pavia, Italy; (M.A.F.); (G.C.B.); (A.C.); (F.M.); (G.M.); (L.O.); (Z.P.); (M.P.); (A.T.)
| | - Letizia Oberto
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona “Istituto Santa Margherita”, University of Pavia, 27100 Pavia, Italy; (M.A.F.); (G.C.B.); (A.C.); (F.M.); (G.M.); (L.O.); (Z.P.); (M.P.); (A.T.)
| | - Zaira Patelli
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona “Istituto Santa Margherita”, University of Pavia, 27100 Pavia, Italy; (M.A.F.); (G.C.B.); (A.C.); (F.M.); (G.M.); (L.O.); (Z.P.); (M.P.); (A.T.)
| | - Martina Pirola
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona “Istituto Santa Margherita”, University of Pavia, 27100 Pavia, Italy; (M.A.F.); (G.C.B.); (A.C.); (F.M.); (G.M.); (L.O.); (Z.P.); (M.P.); (A.T.)
| | - Alice Tartara
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona “Istituto Santa Margherita”, University of Pavia, 27100 Pavia, Italy; (M.A.F.); (G.C.B.); (A.C.); (F.M.); (G.M.); (L.O.); (Z.P.); (M.P.); (A.T.)
| | - Antonella Riva
- Research and Development Department, Indena SpA, 20139 Milan, Italy; (A.R.); (G.P.)
| | | | - Gabriella Peroni
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona “Istituto Santa Margherita”, University of Pavia, 27100 Pavia, Italy; (M.A.F.); (G.C.B.); (A.C.); (F.M.); (G.M.); (L.O.); (Z.P.); (M.P.); (A.T.)
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30
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Probiotics Treatment of Leg Diseases in Broiler Chickens: a Review. Probiotics Antimicrob Proteins 2021; 14:415-425. [PMID: 34757604 DOI: 10.1007/s12602-021-09869-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/27/2021] [Indexed: 12/12/2022]
Abstract
Normal development and growth of bones are critical for poultry. With the rapid growth experienced by broiler chickens, higher incidences of leg weakness and lameness are common problems in adolescent meat-type poultry that present huge economic and welfare issues. Leg disorders such as angular bone deformities and tibial dyschondroplasia have become common in broilers and are associated with poor growth, high mortality rates, increased carcass condemnation, and downgrading at slaughter. Probiotics have shown promise for a variety of health purposes, including preventing diarrhea, elevating carcass quality, and promoting growth of the poultry. In addition, recent studies have indicated that probiotics can maintain the homeostasis of the gut microbiota and improve the health of the gastrointestinal tract, which confers a potentially beneficial effect on bone health. This review mainly describes the occurrence of broiler leg disease and the role of probiotics in bone health through regulating the gut microbiota and improving intestinal function, thus providing a relevant theoretical basis for probiotics to hinder the development of skeletal disorders in broiler chickens.
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31
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Kühn F, Duan R, Ilmer M, Wirth U, Adiliaghdam F, Schiergens TS, Andrassy J, Bazhin AV, Werner J. Targeting the Intestinal Barrier to Prevent Gut-Derived Inflammation and Disease: A Role for Intestinal Alkaline Phosphatase. Visc Med 2021; 37:383-393. [PMID: 34722721 DOI: 10.1159/000515910] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 03/16/2021] [Indexed: 02/02/2023] Open
Abstract
Background Intestinal alkaline phosphatase (IAP) as a tissue-specific isozyme of alkaline phosphatases is predominantly produced by enterocytes in the proximal small intestine. In recent years, an increasing number of pathologies have been identified to be associated with an IAP deficiency, making it very worthwhile to review the various roles, biological functions, and potential therapeutic aspects of IAP. Summary IAP primarily originates and acts in the intestinal tract but affects other organs through specific biological axes related to its fundamental roles such as promoting gut barrier function, dephosphorylation/detoxification of lipopolysaccharides (LPS), and regulation of gut microbiota. Key Messages Numerous studies reporting on the different roles and the potential therapeutic value of IAP across species have been published during the last decade. While IAP deficiency is linked to varying degrees of physiological dysfunctions across multiple organ systems, the supplementation of IAP has been proven to be beneficial in several translational and clinical studies. The increasing evidence of the salutary functions of IAP underlines the significance of the naturally occurring brush border enzyme.
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Affiliation(s)
- Florian Kühn
- Department of General, Visceral and Transplant Surgery, University Hospital of LMU Munich, Munich, Germany
| | - Ruifeng Duan
- Department of General, Visceral and Transplant Surgery, University Hospital of LMU Munich, Munich, Germany
| | - Matthias Ilmer
- Department of General, Visceral and Transplant Surgery, University Hospital of LMU Munich, Munich, Germany
| | - Ulrich Wirth
- Department of General, Visceral and Transplant Surgery, University Hospital of LMU Munich, Munich, Germany
| | - Fatemeh Adiliaghdam
- Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Tobias S Schiergens
- Department of General, Visceral and Transplant Surgery, University Hospital of LMU Munich, Munich, Germany
| | - Joachim Andrassy
- Department of General, Visceral and Transplant Surgery, University Hospital of LMU Munich, Munich, Germany
| | - Alexandr V Bazhin
- Department of General, Visceral and Transplant Surgery, University Hospital of LMU Munich, Munich, Germany
| | - Jens Werner
- Department of General, Visceral and Transplant Surgery, University Hospital of LMU Munich, Munich, Germany
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32
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Zhang L, Piao X. Use of 25-hydroxyvitamin D 3 in diets for sows: A review. ACTA ACUST UNITED AC 2021; 7:728-736. [PMID: 34466677 PMCID: PMC8379139 DOI: 10.1016/j.aninu.2020.11.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 09/08/2020] [Accepted: 11/21/2020] [Indexed: 12/19/2022]
Abstract
Dietary supplementation with 25-hydroxyvitamin D3 (25OHD3), as an alternative source of vitamin D, is becoming increasingly popular due to its commercialization and more efficient absorbability. The addition of 25OHD3 rather than its precursor vitamin D3 can circumvent the 25-hydroxylation reaction in the liver, indicating that supplementation of 25OHD3 can rapidly improve the circulating vitamin D status of animals. Emerging experiments have reported that maternal 25OHD3 supplementation could increase sow performances and birth outcomes and promote circulating vitamin D status of sows and their offspring. Increased milk fat content was observed in many experiments; however, others demonstrated that adding 25OHD3 to lactating sow diets increased the contents of milk protein and lactose. Although an inconsistency between the results of different experiments exists, these studies suggested that maternal 25OHD3 supplementation could alter milk composition via its effects on the mammary gland. Previous studies have demonstrated that adding 25OHD3 to sow diets could improve the mRNA expressions of insulin-induced gene 1 (INSIG1) and sterol regulatory element-binding protein 1 (SREBP1) in the mammary gland cells from milk and increase the mRNA expressions of acetyl-CoA carboxylase α (ACCα) and fatty acid synthase (FAS) in the mammary gland tissue. Maternal 25OHD3 supplementation promotes skeletal muscle development of piglets before and after parturition, and improves bone properties including bone density and bone breaking force in lactating sows and their piglets. Interestingly, 25OHD3 supplementation in sow diets could improve neonatal bone development via regulation of milk fatty acid composition related to bone metabolism and mineralization. In this review, we also discuss the effects of adding 25OHD3 to sow diets on the gut bacterial metabolites of suckling piglets, and propose that butyrate production may be associated with bone health. Therefore, to better understand the nutritional functions of maternal 25OHD3 supplementation, this paper reviews advances in the studies of 25OHD3 for sow nutrition and provides references for practical application.
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Affiliation(s)
- Lianhua Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Xiangshu Piao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
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33
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Shen Q, Zhang C, Qin X, Zhang H, Zhang Z, Richel A. Modulation of gut microbiota by chondroitin sulfate calcium complex during alleviation of osteoporosis in ovariectomized rats. Carbohydr Polym 2021; 266:118099. [PMID: 34044918 DOI: 10.1016/j.carbpol.2021.118099] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/29/2021] [Accepted: 04/15/2021] [Indexed: 12/21/2022]
Abstract
Although chondroitin sulfate calcium complex (CSCa) was claimed to have the bioactivity for bone care in vitro, its anti-osteoporosis bioactivity was little reported in vivo. Here, the effects of CSCa on osteoporosis rats were investigated. Results showed that, compared with the osteoporosis rats, CSCa could improve the bone mineral density and microstructure of femur, and change the bone turnover markers level in serum. 16S rRNA sequencing and metabolomics analysis indicated CSCa intervention altered the composition of gut microbiota along with metabolite profiles in ovariectomized rat faeces. The correlation analysis showed some gut microbiota taxa were significantly correlated with osteoporosis phenotypes and the enriched metabolites. Taken together, dietary CSCa intervention has the potential to alleviate the osteoporosis and related symptoms probably involving gut microbiota or the metabolite profiles as demonstrated in rats. This study provides some scientific evidence for the potential effects of CSCa as the food supplement on the osteoporosis.
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Affiliation(s)
- Qingshan Shen
- Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China; University of Liege-Gembloux Agro-Bio Tech, Laboratory of Biomass and Green Technologies, Passage des déportés 2, B-5030 Gembloux, Belgium
| | - Chunhui Zhang
- Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
| | - Xiaojie Qin
- Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Hongru Zhang
- Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China; University of Liege-Gembloux Agro-Bio Tech, Laboratory of Biomass and Green Technologies, Passage des déportés 2, B-5030 Gembloux, Belgium
| | - Zhiqiang Zhang
- Shandong Haiyu Biotechnology Co., Ltd., Jining 272113, China
| | - Aurore Richel
- University of Liege-Gembloux Agro-Bio Tech, Laboratory of Biomass and Green Technologies, Passage des déportés 2, B-5030 Gembloux, Belgium
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Wang Z, Chen K, Wu C, Chen J, Pan H, Liu Y, Wu P, Yuan J, Huang F, Lang J, Du J, Xu J, Jin K, Chen L. An emerging role of Prevotella histicola on estrogen deficiency-induced bone loss through the gut microbiota-bone axis in postmenopausal women and in ovariectomized mice. Am J Clin Nutr 2021; 114:1304-1313. [PMID: 34113963 DOI: 10.1093/ajcn/nqab194] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 05/18/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The gut microbiota (GM)-bone axis has emerged as a crucial mediator of bone homeostasis. Estrogen deficiency-induced bone loss is closely associated with an altered GM. However, the underlying mechanisms remain unclear. OBJECTIVES We sought to explore the putative effects of GM on estrogen deficiency-induced bone loss and determine a potential mechanism. METHODS Fecal samples collected from postmenopausal women with osteoporosis (PMO) and with normal bone mass (PMN) were examined by 16S ribosomal RNA (rRNA) gene sequencing and analysis. Prevotella histicola, a typical species of Prevotella, was orally given to female C57BL6/J mice after ovariectomy [ovariectomized (OVX)]. The primary outcomes were changes in bone microstructures as measured by micro-computed tomography scanning and bone histomorphometry analysis. Secondary outcomes included changes in osteoclast activity, the expression of osteoclastogenic cytokines, and gut permeability, which were measured by ELISA, qRT-PCR, western blot, and immunofluorescence. RESULTS As demonstrated through 16S rRNA gene sequencing and analysis, the GM in the PMO group featured a significantly decreased proportion of the genus Prevotella in comparison with that in the PMN group (∼60%, P < 0.05). In animal experiments, P. histicola-treated OVX mice maintained a relatively higher bone volume than OVX controls. Mechanistically, the protective effects of P. histicola on bone mass were found to be associated with its modulation of gut permeability as well as its inhibitory effects on osteoclast activity which function by attenuating osteoclastogenic cytokine expression. CONCLUSIONS The GM diversity and composition between the PMN and PMO groups were significantly different. In particular, the proportion of the genus Prevotella was notably higher in the PMN group, demonstrating its potential bone-protective effects on osteoporosis. Further animal study using osteoporotic mice showed P. histicola could prevent estrogen deficiency-induced bone loss through the GM-bone axis. Thus, P. histicola may serve as a therapeutic agent or target for osteoporosis treatment.
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Affiliation(s)
- Zhongxiang Wang
- Department of Pathophysiology, Wenzhou Medical University, Wenzhou, China.,Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Kai Chen
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.,School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia
| | - Congcong Wu
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Junhao Chen
- School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia
| | - Hao Pan
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yangbo Liu
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Peng Wu
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jiandong Yuan
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Furong Huang
- Department of Pathophysiology, Wenzhou Medical University, Wenzhou, China.,Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Junzhe Lang
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Juanjuan Du
- Nervous Institute in Basic College, Wenzhou Medical University, Wenzhou, China
| | - Jiake Xu
- School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia
| | - Keke Jin
- Department of Pathophysiology, Wenzhou Medical University, Wenzhou, China
| | - Lei Chen
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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35
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Liu J, Chen C, Liu Z, Luo Z, Rao S, Jin L, Wan T, Yue T, Tan Y, Yin H, Yang F, Huang F, Guo J, Wang Y, Xia K, Cao J, Wang Z, Hong C, Luo M, Hu X, Liu Y, Du W, Luo J, Hu Y, Zhang Y, Huang J, Li H, Wu B, Liu H, Chen T, Qian Y, Li Y, Feng S, Chen Y, Qi L, Xu R, Tang S, Xie H. Extracellular Vesicles from Child Gut Microbiota Enter into Bone to Preserve Bone Mass and Strength. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2004831. [PMID: 33977075 PMCID: PMC8097336 DOI: 10.1002/advs.202004831] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Indexed: 05/02/2023]
Abstract
Recently, the gut microbiota (GM) has been shown to be a regulator of bone homeostasis and the mechanisms by which GM modulates bone mass are still being investigated. Here, it is found that colonization with GM from children (CGM) but not from the elderly (EGM) prevents decreases in bone mass and bone strength in conventionally raised, ovariectomy (OVX)-induced osteoporotic mice. 16S rRNA gene sequencing reveals that CGM reverses the OVX-induced reduction of Akkermansia muciniphila (Akk). Direct replenishment of Akk is sufficient to correct the OVX-induced imbalanced bone metabolism and protect against osteoporosis. Mechanistic studies show that the secretion of extracellular vesicles (EVs) is required for the CGM- and Akk-induced bone protective effects and these nanovesicles can enter and accumulate into bone tissues to attenuate the OVX-induced osteoporotic phenotypes by augmenting osteogenic activity and inhibiting osteoclast formation. The study identifies that gut bacterium Akk mediates the CGM-induced anti-osteoporotic effects and presents a novel mechanism underlying the exchange of signals between GM and host bone.
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Epsley S, Tadros S, Farid A, Kargilis D, Mehta S, Rajapakse CS. The Effect of Inflammation on Bone. Front Physiol 2021; 11:511799. [PMID: 33584321 PMCID: PMC7874051 DOI: 10.3389/fphys.2020.511799] [Citation(s) in RCA: 90] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 11/30/2020] [Indexed: 12/21/2022] Open
Abstract
Bone remodeling is the continual process to renew the adult skeleton through the sequential action of osteoblasts and osteoclasts. Nuclear factor RANK, an osteoclast receptor, and its ligand RANKL, expressed on the surface of osteoblasts, result in coordinated control of bone remodeling. Inflammation, a feature of illness and injury, plays a distinct role in skewing this process toward resorption. It does so via the interaction of inflammatory mediators and their related peptides with osteoblasts and osteoclasts, as well as other immune cells, to alter the expression of RANK and RANKL. Such chemical mediators include TNFα, glucocorticoids, histamine, bradykinin, PGE2, systemic RANKL from immune cells, and interleukins 1 and 6. Conditions, such as periodontal disease and alveolar bone erosion, aseptic prosthetic loosening, rheumatoid arthritis, and some sports related injuries are characterized by the result of this process. A thorough understanding of bone response to injury and disease, and ability to detect such biomarkers, as well as imaging to identify early structural and mechanical property changes in bone architecture, is important in improving management and outcomes of bone related pathology. While gut health and vitamin and mineral availability appear vitally important, nutraceuticals also have an impact on bone health. To date most pharmaceutical intervention targets inflammatory cytokines, although strategies to favorably alter inflammation induced bone pathology are currently limited. Further research is required in this field to advance early detection and treatments.
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Affiliation(s)
- Scott Epsley
- Philadelphia 76ers, Philadelphia, PA, United States
| | - Samuel Tadros
- Department of Radiology and Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, United States
| | - Alexander Farid
- Department of Radiology and Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, United States
| | - Daniel Kargilis
- Department of Radiology and Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, United States
| | | | - Chamith S. Rajapakse
- Department of Radiology and Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, United States
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Abstract
Aims The effect of the gut microbiota (GM) and its metabolite on bone health is termed the gut-bone axis. Multiple studies have elucidated the mechanisms but findings vary greatly. A systematic review was performed to analyze current animal models and explore the effect of GM on bone. Methods Literature search was performed on PubMed and Embase databases. Information on the types and strains of animals, induction of osteoporosis, intervention strategies, determination of GM, assessment on bone mineral density (BMD) and bone quality, and key findings were extracted. Results A total of 30 studies were included, of which six studies used rats and 24 studies used mice. Osteoporosis or bone loss was induced in 14 studies. Interventions included ten with probiotics, three with prebiotics, nine with antibiotics, two with short-chain fatty acid (SCFA), six with vitamins and proteins, two with traditional Chinese medicine (TCM), and one with neuropeptide Y1R antagonist. In general, probiotics, prebiotics, nutritional interventions, and TCM were found to reverse the GM dysbiosis and rescue bone loss. Conclusion Despite the positive therapeutic effect of probiotics, prebiotics, and nutritional or pharmaceutical interventions on osteoporosis, there is still a critical knowledge gap regarding the role of GM in rescuing bone loss and its related pathways. Cite this article: Bone Joint Res 2021;10(1):51–59.
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Affiliation(s)
- Jie Li
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Wing Tung Percy Ho
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Chaoran Liu
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Simon Kwoon-Ho Chow
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Margaret Ip
- Department of Microbiology, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Jun Yu
- Department of Medicine & Therapeutics, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Hei Sunny Wong
- Department of Medicine & Therapeutics, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Wing-Hoi Cheung
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Joseph Jao Yiu Sung
- Department of Medicine & Therapeutics, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Ronald Man Yeung Wong
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong
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Zhou T, Wang M, Ma H, Li X, Heianza Y, Qi L. Dietary Fiber, Genetic Variations of Gut Microbiota-derived Short-chain Fatty Acids, and Bone Health in UK Biobank. J Clin Endocrinol Metab 2021; 106:201-210. [PMID: 33051670 PMCID: PMC8186524 DOI: 10.1210/clinem/dgaa740] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 10/09/2020] [Indexed: 12/21/2022]
Abstract
CONTEXT Dietary fiber intake may relate to bone health. OBJECTIVE To investigate whether dietary fiber intake is associated with bone mineral density (BMD), and the modification effect of genetic variations related to gut microbiota-derived short-chain fatty acids (SCFAs). DESIGN The associations of dietary fiber intake with estimated BMD derived from heel ultrasound and fractures were assessed in 224 630 and 384 134 participants from the UK Biobank. SETTING UK Biobank. MAIN OUTCOME MEASURES Estimated BMD derived from heel ultrasound. RESULTS Higher dietary fiber intake (per standard deviation) was significantly associated with higher heel-BMD (β [standard error] = 0.0047 [0.0003], P = 1.10 × 10-54). Similarly significant associations were observed for all the fiber subtypes including cereal, fruit (dried and raw), and vegetable (cooked and raw) (all P < .05). A positive association was found in both women and men but more marked among men except for dietary fiber in cooked vegetables (all Pinteraction < .05). A protective association was found between dietary fiber intake and hip fracture (hazard ratio, 95% confidence interval: 0.94, 0.89-0.99; P = 3.0 × 10-2). In addition, the association between dietary fiber and heel BMD was modified by genetically determined SCFA propionate production (Pinteraction = 5.1 × 10-3). The protective association between dietary fiber and heel BMD was more pronounced among participants with lower genetically determined propionate production. CONCLUSIONS Our results indicate that greater intakes of total dietary fiber and subtypes from various food sources are associated with higher heel-BMD. Participants with lower genetically determined propionate production may benefit more from taking more dietary fiber.
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Affiliation(s)
- Tao Zhou
- Department of Epidemiology, School of Public Health and Tropical
Medicine, Tulane University, New Orleans, Louisiana
| | - Mengying Wang
- Department of Epidemiology, School of Public Health and Tropical
Medicine, Tulane University, New Orleans, Louisiana
- Department of Epidemiology and Biostatistics, School of Public Health,
Peking University Health Science Center, Beijing, China
| | - Hao Ma
- Department of Epidemiology, School of Public Health and Tropical
Medicine, Tulane University, New Orleans, Louisiana
| | - Xiang Li
- Department of Epidemiology, School of Public Health and Tropical
Medicine, Tulane University, New Orleans, Louisiana
| | - Yoriko Heianza
- Department of Epidemiology, School of Public Health and Tropical
Medicine, Tulane University, New Orleans, Louisiana
| | - Lu Qi
- Department of Epidemiology, School of Public Health and Tropical
Medicine, Tulane University, New Orleans, Louisiana
- Department of Nutrition, Harvard TH Chan School of Public
Health, Boston, Massachusetts
- Channing Division of Network Medicine, Department of Medicine, Brigham
and Women’s Hospital and Harvard Medical School, Boston,
Massachusetts
- Correspondence and Reprint Requests: Dr Lu Qi, Department of Epidemiology, School of Public Health and
Tropical Medicine, Tulane University, New Orleans, LA 70112, USA. E-mail:
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Daphnetin ameliorates glucocorticoid-induced osteoporosis via activation of Wnt/GSK-3β/β-catenin signaling. Toxicol Appl Pharmacol 2020; 409:115333. [PMID: 33171191 DOI: 10.1016/j.taap.2020.115333] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 10/29/2020] [Accepted: 11/05/2020] [Indexed: 02/07/2023]
Abstract
Glucocorticoids have been widely used in multiple inflammatory and autoimmune diseases. However, long-term glucocorticoid therapy may result in osteoporosis. The present study aimed to evaluate the potential therapeutic effects and investigate the underlying mechanisms of Daphnetin (Daph) on glucocorticoid-induced osteoporosis (GIOP). In vivo, male Sprague Dawley rats were intramuscularly injected with dexamethasone (DEX) to induce GIOP and Daph was given intraperitoneally. Bone histological changes, mineral content, microstructure parameters and bone turnover markers were detected. Gut microbiota composition and intestinal barrier function were further assessed. In vitro, MC3T3-E1 pre-osteoblasts were treated with DEX and the abilities of Daph on osteoblast proliferation, differentiation and mineralization were assessed. A Wnt signaling inhibitor, XAV939, was added additionally to evaluate the effect of Daph on Wnt signaling. The results showed that in vivo, Daph increased the DEX-induced reduction in body weight gain, bone mineral content and microstructure parameters and restored the levels of bone turnover markers in GIOP rats. In vitro, Daph promoted osteoblast proliferation, differentiation and mineralization in DEX-treated MC3T3-E1 pre-osteoblasts. Moreover, Daph activated the Wnt/GSK-3β/β-catenin signaling pathway. XAV939 successfully abolished the beneficial effects of Daph on GIOP in vitro. Besides, Daph showed improvement on gut microbiota disorder and intestinal barrier dysfunction post GIOP. Collectively, these data demonstrated that Daph effectively ameliorates GIOP and the possible mechanism may be that Daph activated Wnt/GSK-3β/β-catenin signaling.
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Ferreira RDS, Mendonça LABM, Ribeiro CFA, Calças NC, Guimarães RDCA, Nascimento VAD, Gielow KDCF, Carvalho CME, Castro APD, Franco OL. Relationship between intestinal microbiota, diet and biological systems: an integrated view. Crit Rev Food Sci Nutr 2020; 62:1166-1186. [PMID: 33115284 DOI: 10.1080/10408398.2020.1836605] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The health-disease process can be influenced by the intestinal microbiota. As this plays a fundamental role in protecting the organism, the importance of studying the composition and diversity of this community becomes increasingly evident. Changes in the composition of the intestinal bacterial community may result in dysbiosis, and this process may contribute to triggering various diseases in all biological systems. This imbalance of intestinal microbiota homeostasis may alter commensal bacteria and the host metabolism, as well as immune function. Dysbiosis also causes an increase in intestinal permeability due to exposure to molecular patterns associated with the pathogen and lipopolysaccharides, leading to a chronic inflammatory process that can result in diseases for all biological systems. In this context, dietary intervention through the use of probiotics, prebiotics and antioxidant foods can be considered a contribution to the modulation of intestinal microbiota. Probiotics have been used to provide up to 10 billion colony forming units, and probiotic foods, Kefir and fermented natural yogurt are also used. Prebiotics, in turn, are found in supplemental formulations of processed foods and in functional foods that are also sources of phenolic compounds, such as flavonoids, antioxidant and anti-inflammatory substances, polyunsaturated fatty acids, vitamins, and minerals. In this review, we will discuss the relationship between an imbalance in the intestinal microbiota with the development of diseases, besides indicating the need for future studies that can establish bacterial parameters for the gastrointestinal tract by modulating the intestinal microbiota, associated with the adoption of healthy habits during all life cycles.
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Affiliation(s)
- Rosângela Dos Santos Ferreira
- S-Inova Biotech, Post Graduate Program in Biotechnology, Catholic University Dom Bosco, Campo Grande, Mato Grosso do Sul, Brazil
| | | | - Camila Fontoura Acosta Ribeiro
- S-Inova Biotech, Post Graduate Program in Biotechnology, Catholic University Dom Bosco, Campo Grande, Mato Grosso do Sul, Brazil
| | - Natali Camposano Calças
- S-Inova Biotech, Post Graduate Program in Biotechnology, Catholic University Dom Bosco, Campo Grande, Mato Grosso do Sul, Brazil
| | - Rita de Cássia Avellaneda Guimarães
- Post Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
| | - Valter Aragão do Nascimento
- Post Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
| | - Karine de Cássia Freitas Gielow
- Post Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
| | | | - Alinne Pereira de Castro
- S-Inova Biotech, Post Graduate Program in Biotechnology, Catholic University Dom Bosco, Campo Grande, Mato Grosso do Sul, Brazil
| | - Octávio Luiz Franco
- S-Inova Biotech, Post Graduate Program in Biotechnology, Catholic University Dom Bosco, Campo Grande, Mato Grosso do Sul, Brazil.,Center of Proteomic and Biochemical Analysis, Post Graduate Program in Genomic Sciences and Biotechnology, Catholic University of Brasilia, Brasilia, Distrito Federal, Brazil
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Zhang L, Liu S, Li M, Piao X. Effects of maternal 25-hydroxycholecalciferol during the last week of gestation and lactation on serum parameters, intestinal morphology and microbiota in suckling piglets. Arch Anim Nutr 2020; 74:445-461. [PMID: 33198510 DOI: 10.1080/1745039x.2020.1822710] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
This study was conducted to test the effects of maternal 25-hydroxycholecalciferol (25OHD3) supplementation on serum parameters, intestinal morphology and microbiota in suckling piglets. The experiment started on day 107 of gestation and lasted until piglets were weaned on day 21 of lactation. Thirty-two sows were allocated randomly to two treatments (ND diet, basal diet with 2000 IU/kg of vitamin D3; 25-D diet, basal diet with 50 μg/kg 25OHD3). Results showed that maternal 25-D treatment increased (p < 0.05) serum 25OHD3 concentration in the umbilical cords, which led to higher (p < 0.05) serum 25OHD3 concentration of suckling piglets from 25-D sows. The GSH-Px activity in colostrum was higher (p < 0.05), as well as SOD and GSH-Px activities in milk, were higher (p < 0.05) in 25-D sows than ND sows. Compared with piglets suckling ND sows, piglets suckling 25-D sows had higher (p < 0.05) serum SOD activity on day 7, 14 and 21 of lactation. On day 21 of lactation, piglets form 25-D sows had greater (p < 0.05) serum levels of GH and IGF-I and lower (p < 0.05) serum DAO activity than those from ND sows. Piglets from 25-D sows had higher (p < 0.05) jejunal villus height than those from ND sows. Feeding 25OHD3 to sows tended to increase (p < 0.10) the species richness in the colonic digesta of suckling piglets, as reflected by the α-diversity index of Chao-1. In the caecal digesta, the α-diversity for bacterial community analysis of Simpson and Shannon was lower (p < 0.05) in 25-D piglets than ND piglets. The relative abundances of colonic Alloprevotella and caecal Lactobacillus were significantly higher, while the population of caecal [Eubacterium]_coprostanoligenes_group was lower (p < 0.05) in 25-D piglets than ND piglets. In conclusion, maternal 25OHD3 supplementation partly improved antioxidant status in sows and suckling piglets and altered gut microbiota in the hindgut of piglets.
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Affiliation(s)
- Lianhua Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University , Beijing, China
| | - Sujie Liu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University , Beijing, China
| | - Miao Li
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University , Beijing, China
| | - Xiangshu Piao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University , Beijing, China
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Elmassry MM, Chung E, Cao JJ, Hamood AN, Shen CL. Osteoprotective effect of green tea polyphenols and annatto-extracted tocotrienol in obese mice is associated with enhanced microbiome vitamin K 2 biosynthetic pathways. J Nutr Biochem 2020; 86:108492. [PMID: 32920088 DOI: 10.1016/j.jnutbio.2020.108492] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 07/15/2020] [Accepted: 08/18/2020] [Indexed: 12/11/2022]
Abstract
The role of the gut microbiome in bone health has received significant attention in the past decade. We investigated the effects of green tea polyphenols (GTP) and annatto-extracted tocotrienols (AT) on bone properties and gut microbiome in obese mice. Male mice were assigned to a two (no AT vs. 400 mg/kg diet AT) × two (no GTP vs. 0.5% w/v GTP) factorial design, namely control, G, T, and G+T group respectively, for 14 weeks. The 4th lumbar vertebra (LV-4) and femur were harvested for bone microstructural analysis using μ-CT. Microbiome analysis using 16S rRNA gene sequencing of cecal feces was performed. AT increased bone volume at distal femur. GTP increased serum procollagen type 1 N-terminal propeptide concentration, bone volume at the distal femur and the LV-4, and trabecular number at distal femur; whereas GTP decreased trabecular separation at distal femur. Interactions between GTP and AT were observed in serum C-terminal telopeptide of type I collagen level (control>G=T=G+T) as well as the cortical bone area (control<G=T=G+T) and thickness (T≥G+T≥G≥control) at femur mid-diaphysis. Redundancy analysis showed a significant difference in the gut microbiome profile among different groups and the relative abundance of Akkermansia muciniphila, Clostridum saccharogumia, and Subdoligranulum variabile was increased in the GTP- and AT-supplemented groups. Functional profiling of the gut microbiome showed the combination of GTP and AT induced biosynthetic pathways for vitamin K2. Our results suggest that GTP and AT supplementation benefits bone properties in obese mice through modifying gut microbiome composition and function.
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Affiliation(s)
- Moamen M Elmassry
- Department of Biological Sciences, Texas Tech University, Lubbock, TX 79409.
| | - Eunhee Chung
- Department of Kinesiology, Health, and Nutrition, University of Texas at San Antonio, San Antonio, TX 78249.
| | - Jay J Cao
- USDA ARS Grand Forks Human Nutrition Research Center, Grand Forks, ND 58203.
| | - Abdul N Hamood
- Department of Immunology and Molecular Microbiology, Texas Tech University Health Sciences Center, Lubbock, TX 79430; Department of Surgery, Texas Tech University Health Sciences Center, Lubbock, TX 79430.
| | - Chwan-Li Shen
- Department of Pathology, Texas Tech University Health Sciences Center, Lubbock, TX 79430; Center of Excellence for Integrative Health, Texas Tech University Health Sciences Center, Lubbock, TX 79430; Obesity Research Institute, Texas Tech University, Lubbock, TX 79409.
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Wiciński M, Gębalski J, Gołębiewski J, Malinowski B. Probiotics for the Treatment of Overweight and Obesity in Humans-A Review of Clinical Trials. Microorganisms 2020; 8:microorganisms8081148. [PMID: 32751306 PMCID: PMC7465252 DOI: 10.3390/microorganisms8081148] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/24/2020] [Accepted: 07/28/2020] [Indexed: 12/12/2022] Open
Abstract
The World Health Organization (WHO) reports that 400 million people are obese, and over 1.6 billion adults are overweight worldwide. Annually, over 2.8 million people die from obesity-related diseases. The incidence of overweight and obesity is steadily increasing, and this phenomenon is referred to as a 21st-century pandemic. The main reason for this phenomenon is an easy access to high-energy, processed foods, and a low-activity lifestyle. These changes lead to an energy imbalance and, as a consequence, to the development of body fat. Weight gain contributes to the development of heart diseases, skeletal system disorders, metabolic disorders such as diabetes, and certain types of cancer. In recent years, there have been many works linking obesity with intestinal microbiota. Experiments on germ-free animals (GFs) have provided much evidence for the contribution of bacteria to obesity. The composition of the gut microbiota (GM) changes in obese people. These changes affect the degree of energy obtained from food, the composition and secretory functions of adipose tissue, carbohydrate, and lipid metabolism in the liver, and the activity of centers in the brain. The study aimed to present the current state of knowledge about the role of intestinal microbiota in the development of obesity and the impact of supplementation with probiotic bacteria on the health of overweight and obese patients.
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Ahlawat S, Asha, Sharma KK. Gut-organ axis: a microbial outreach and networking. Lett Appl Microbiol 2020; 72:636-668. [PMID: 32472555 DOI: 10.1111/lam.13333] [Citation(s) in RCA: 127] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 05/05/2020] [Accepted: 05/20/2020] [Indexed: 12/13/2022]
Abstract
Human gut microbiota (GM) includes a complex and dynamic population of microorganisms that are crucial for well-being and survival of the organism. It has been reported as diverse and relatively stable with shared core microbiota, including Bacteroidetes and Firmicutes as the major dominants. They are the key regulators of body homeostasis, involving both intestinal and extra-intestinal effects by influencing many physiological functions such as metabolism, maintenance of barrier homeostasis, inflammation and hematopoiesis. Any alteration in GM community structures not only trigger gut disorders but also influence other organs and cause associated diseases. In recent past, the GM has been defined as a 'vital organ' with its involvement with other organs; thus, establishing a link or a bi- or multidirectional communication axis between the organs via neural, endocrine, immune, humoral and metabolic pathways. Alterations in GM have been linked to several diseases known to humans; although the exact interaction mechanism between the gut and the organs is yet to be defined. In this review, the bidirectional relationship between the gut and the vital human organs was envisaged and discussed under several headings. Furthermore, several disease symptoms were also revisited to redefine the communication network between the gut microbes and the associated organs.
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Affiliation(s)
- S Ahlawat
- Laboratory of Enzymology and Recombinant DNA Technology, Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Asha
- Laboratory of Enzymology and Recombinant DNA Technology, Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, India
| | - K K Sharma
- Laboratory of Enzymology and Recombinant DNA Technology, Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, India
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He J, Xu S, Zhang B, Xiao C, Chen Z, Si F, Fu J, Lin X, Zheng G, Yu G, Chen J. Gut microbiota and metabolite alterations associated with reduced bone mineral density or bone metabolic indexes in postmenopausal osteoporosis. Aging (Albany NY) 2020; 12:8583-8604. [PMID: 32392181 PMCID: PMC7244073 DOI: 10.18632/aging.103168] [Citation(s) in RCA: 123] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 03/31/2020] [Indexed: 04/16/2023]
Abstract
Reduced bone mineral density (BMD) is associated with an altered microbiota in senile osteoporosis. However, the relationship among gut microbiota, BMD and bone metabolic indexes remains unknown in postmenopausal osteoporosis. In this study, fecal microbiota profiles for 106 postmenopausal individuals with osteopenia (n=33) or osteoporosis (n=42) or with normal BMD (n=31) were determined. An integrated 16S rRNA gene sequencing and LC-MS-based metabolomics approach was applied to explore the association of estrogen-reduced osteoporosis with the gut microbiota and fecal metabolic phenotype. Adjustments were made using several statistical models for potential confounding variables identified from the literature. The results demonstrated decreased bacterial richness and diversity in postmenopausal osteoporosis. Additionally, showed significant differences in abundance levels among phyla and genera in the gut microbial community were found. Moreover, postmenopausal osteopenia-enriched N-acetylmannosamine correlated negatively with BMD, and distinguishing metabolites were closely associated with gut bacterial variation. Both serum procollagen type I N propeptide (P1NP) and C-terminal telopeptide of type I collagen (CTX-1) correlated positively with osteopenia-enriched Allisonella, Klebsiella and Megasphaera. However, we did not find a significant correlation between bacterial diversity and estrogen. These observations will lead to a better understanding of the relationship between bone homeostasis and the microbiota in postmenopausal osteoporosis.
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Affiliation(s)
- Jianquan He
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, China
- Department of Rehabilitation, Zhongshan Hospital Xiamen University, Xiamen 361004, China
| | - Shuangbin Xu
- Department of Bioinformatics, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Bangzhou Zhang
- Institute for Microbial Ecology, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Chuanxing Xiao
- Institute for Microbial Ecology, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Zhangran Chen
- Institute for Microbial Ecology, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Fuyou Si
- Institute for Microbial Ecology, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Jifan Fu
- Department of Rehabilitation, Xinyu People's Hospital, Xinyu 338000, China
| | - Xiaomei Lin
- Department of Rehabilitation, Zhongshan Hospital Xiamen University, Xiamen 361004, China
| | - Guohua Zheng
- College of Nursing and Health Management, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
| | - Guangchuang Yu
- Department of Bioinformatics, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Jian Chen
- Department of Rehabilitation, Zhongshan Hospital Xiamen University, Xiamen 361004, China
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Chen X, Zhang Z, Hu Y, Cui J, Zhi X, Li X, Jiang H, Wang Y, Gu Z, Qiu Z, Dong X, Li Y, Su J. Lactulose Suppresses Osteoclastogenesis and Ameliorates Estrogen Deficiency-Induced Bone Loss in Mice. Aging Dis 2020; 11:629-641. [PMID: 32489707 PMCID: PMC7220299 DOI: 10.14336/ad.2019.0613] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 06/13/2019] [Indexed: 12/17/2022] Open
Abstract
Postmenopausal osteoporosis is characterized by excess osteoclastogenesis which leads to net bone loss and brittle fractures. Studies have demonstrated that estrogen deficiency-associated bone loss is microbiota-dependent and could be prevented by probiotics and prebiotics. In this study, we report that orally administered lactulose (20 g/kg, 6 weeks) orally administered significantly inhibited osteoclastogenesis, bone resorption, and prevented ovariectomy (OVX)-induced bone loss in mice. Lactulose increased intestinal Claudin 2, 3 and 15, compared to the OVX group, and lowered pro-osteoclastogenic cytokines levels including tumor necrosis factor-α, interleukin(IL)-6, receptor activator of nuclear factor kappa-Β ligand (RANKL), and IL-17 as well as increased the anti-inflammatory cytokine IL-10 in the intestine, peripheral blood, and bone marrow. Lactulose significantly preserved the number of Foxp3+ Treg cells in the intestines compared with that in OVX mice. Lactulose altered the composition of intestinal microbiota measured by 16s rDNA sequencing and increased intestinal and serum short-chain fatty acids (SCFAs) levels including acetate, propionate and butyrate which were decreased in OVX mice as measured by gas chromatography. Oral administration of lactulose for 2 weeks significantly lowered the level of bone resorption marker C-telopeptide of type 1 collagen-1 in healthy male young volunteers (aging 20-25 years). In conclusion, lactulose inhibited osteoclastogenesis and bone resorption by altering the intestinal microbiota and increasing SCFAs. Lactulose could serve as an ideal therapeutic agent for postmenopausal osteoporosis.
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Affiliation(s)
- Xiao Chen
- Department of Orthopedics Trauma, Shanghai Changhai Hospital, Second Military Medical University, Shanghai, China.
| | - Zheng Zhang
- College of Basic Medicine, Second Military Medical University, Shanghai, China.
| | - Yan Hu
- Department of Orthopedics Trauma, Shanghai Changhai Hospital, Second Military Medical University, Shanghai, China.
| | - Jin Cui
- Department of Orthopedics Trauma, Shanghai Changhai Hospital, Second Military Medical University, Shanghai, China.
| | - Xin Zhi
- College of Basic Medicine, Second Military Medical University, Shanghai, China.
| | - Xiaoqun Li
- College of Basic Medicine, Second Military Medical University, Shanghai, China.
| | - Hao Jiang
- Department of Orthopedics Trauma, Shanghai Changhai Hospital, Second Military Medical University, Shanghai, China.
| | - Yao Wang
- Department of Orthopedics Trauma, Shanghai Changhai Hospital, Second Military Medical University, Shanghai, China.
| | - Zhengrong Gu
- Department of Orthopedics, Jing’ An District Centre Hospital of Shanghai Huashan Hospital, Fudan University, Shanghai, China.
| | - Zili Qiu
- Jinling high school, Nanjing, Jiangsu, China.
| | - Xin Dong
- School of Pharmacology, Second Military Medical University, Shanghai, China.
| | - Yuhong Li
- Department of Orthopedics Trauma, Shanghai Changhai Hospital, Second Military Medical University, Shanghai, China.
| | - Jiacan Su
- Department of Orthopedics Trauma, Shanghai Changhai Hospital, Second Military Medical University, Shanghai, China.
- College of Basic Medicine, Second Military Medical University, Shanghai, China.
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47
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Kühn F, Adiliaghdam F, Cavallaro PM, Hamarneh SR, Tsurumi A, Hoda RS, Munoz AR, Dhole Y, Ramirez JM, Liu E, Vasan R, Liu Y, Samarbafzadeh E, Nunez RA, Farber MZ, Chopra V, Malo MS, Rahme LG, Hodin RA. Intestinal alkaline phosphatase targets the gut barrier to prevent aging. JCI Insight 2020; 5:134049. [PMID: 32213701 PMCID: PMC7213802 DOI: 10.1172/jci.insight.134049] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 02/20/2020] [Indexed: 12/16/2022] Open
Abstract
Gut barrier dysfunction and gut-derived chronic inflammation play crucial roles in human aging. The gut brush border enzyme intestinal alkaline phosphatase (IAP) functions to inhibit inflammatory mediators and also appears to be an important positive regulator of gut barrier function and microbial homeostasis. We hypothesized that this enzyme could play a critical role in regulating the aging process. We tested the role of several IAP functions for prevention of age-dependent alterations in intestinal homeostasis by employing different loss-of-function and supplementation approaches. In mice, there is an age-related increase in gut permeability that is accompanied by increases in gut-derived portal venous and systemic inflammation. All these phenotypes were significantly more pronounced in IAP-deficient animals. Oral IAP supplementation significantly decreased age-related gut permeability and gut-derived systemic inflammation, resulted in less frailty, and extended lifespan. Furthermore, IAP supplementation was associated with preserving the homeostasis of gut microbiota during aging. These effects of IAP were also evident in a second model system, Drosophilae melanogaster. IAP appears to preserve intestinal homeostasis in aging by targeting crucial intestinal alterations, including gut barrier dysfunction, dysbiosis, and endotoxemia. Oral IAP supplementation may represent a novel therapy to counteract the chronic inflammatory state leading to frailty and age-related diseases in humans.
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Affiliation(s)
- Florian Kühn
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
- Department of General, Visceral and Transplant Surgery, Hospital of the University of Munich, Munich, Germany
| | - Fatemeh Adiliaghdam
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
| | - Paul M. Cavallaro
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
| | - Sulaiman R. Hamarneh
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
| | - Amy Tsurumi
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
| | | | - Alexander R. Munoz
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
| | - Yashoda Dhole
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
| | - Juan M. Ramirez
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
| | - Enyu Liu
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
| | - Robin Vasan
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
| | - Yang Liu
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
| | - Ehsan Samarbafzadeh
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
| | - Rocio A. Nunez
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
| | - Matthew Z. Farber
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
| | - Vanita Chopra
- Department of Neurology,, MGH, Harvard Medical School, Boston, Massachusetts, USA
| | - Madhu S. Malo
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
| | - Laurence G. Rahme
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
- Shriners Hospital for Children, Boston, Massachusetts, USA
- Department of Microbiology and Immunobiology, Harvard Medical School, Boston, Massachusetts, USA
| | - Richard A. Hodin
- Department of Surgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, Massachusetts, USA
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48
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Shotgun Metagenomics of Gut Microbiota in Humans with up to Extreme Longevity and the Increasing Role of Xenobiotic Degradation. mSystems 2020; 5:5/2/e00124-20. [PMID: 32209716 PMCID: PMC7093822 DOI: 10.1128/msystems.00124-20] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The gut microbiome of long-lived people display an increasing abundance of subdominant species, as well as a rearrangement in health-associated bacteria, but less is known about microbiome functions. In order to disentangle the contribution of the gut microbiome to the complex trait of human longevity, we here describe the metagenomic change of the human gut microbiome along with aging in subjects with up to extreme longevity, including centenarians (aged 99 to 104 years) and semisupercentenarians (aged 105 to 109 years), i.e., demographically very uncommon subjects who reach the extreme limit of the human life span. According to our findings, the gut microbiome of centenarians and semisupercentenarians is more suited for xenobiotic degradation and shows a rearrangement in metabolic pathways related to carbohydrate, amino acid, and lipid metabolism. Collectively, our data go beyond the relationship between intestinal bacteria and physiological changes that occur with aging by detailing the shifts in the potential metagenomic functions of the gut microbiome of centenarians and semisupercentenarians as a response to progressive dietary and lifestyle modifications.IMPORTANCE The study of longevity may help us understand how human beings can delay or survive the most frequent age-related diseases and morbidities. In this scenario, the gut microbiome has been proposed as one of the variables to monitor and possibly support healthy aging. Indeed, the disruption of host-gut microbiome homeostasis has been associated with inflammation and intestinal permeability as well as a general decline in bone and cognitive health. Here, we performed a metagenomic assessment of fecal samples from semisupercentenarians, i.e., 105 to 109 years old, in comparison to young adults, the elderly, and centenarians, shedding light on the longest compositional and functional trajectory of the human gut microbiome with aging. In addition to providing a fine taxonomic resolution down to the species level, our study emphasizes the progressive age-related increase in degradation pathways of pervasive xenobiotics in Western societies, possibly as a result of a supportive process within the molecular continuum characterizing aging.
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Muszyński S, Dobrowolski P, Kasperek K, Knaga S, Kwiecień M, Donaldson J, Kutyła M, Kapica M, Tomaszewska E. Effects of Yeast ( Saccharomyces Cerevisiae) Probiotics Supplementation on Bone Quality Characteristics in Young Japanese Quail ( Coturnix Japonica): The Role of Sex on the Action of the Gut-Bone Axis. Animals (Basel) 2020; 10:ani10030440. [PMID: 32150981 PMCID: PMC7142894 DOI: 10.3390/ani10030440] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 03/02/2020] [Accepted: 03/03/2020] [Indexed: 12/12/2022] Open
Abstract
Simple Summary The gastrointestinal tract; as an important mediator of nutrients and elements; regulates bone health. In this study, we examined the effect of supplementation with yeast Saccharomyces cerevisiae on bone characteristics in young Japanese quails. We found that yeast probiotics, through their action on the gut-bone axis, have a positive effect on the structure of articular cartilage and microarchitecture of trabecular bone in young female quails. These data could provide useful information for further research into the supplementation with yeast probiotics aimed to reduce the risk bone fractures during the egg-laying period Abstract The aim of the study was to investigate the changes in bone geometry, histological structure, and selected mechanical characteristics in young male and female Japanese quails supplemented with Saccharomyces cerevisiae. Quails were fed a basal diet containing no yeast or a basal diet supplemented with 1.5% (15 g per 1 kg of diet) of inactive S. cerevisiae, for a period of 42 days. S. cerevisiae inclusion had no effect on bone weight, length, and density, diaphysis geometry (cross-sectional area, wall thickness, moment of inertia) or on the mechanical strength (yield load, ultimate load, stiffness, Young’s modulus, yield stress, ultimate stress). Yeast supplementation improved the morphology of the articular cartilage both in male and female quails, as the total thickness of the articular cartilage was significantly increased. In trabecular bone, an increase in real bone volume and trabecular thickness was observed in females supplemented with S. cerevisiae, while in males the increase in trabecular number was accompanied by a reduction in trabecular thickness. The results of the present study demonstrate that S. cerevisiae, through a sex-dependent action on the gut-bone axis, improved the structure of articular cartilage and microarchitecture of trabecular bone. The positive effects of S. cerevisiae supplementation were more evident in female quails.
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Affiliation(s)
- Siemowit Muszyński
- Department of Biophysics, Faculty of Environmental Biology, University of Life Sciences in Lublin, Akademicka St. 13, 20-950 Lublin, Poland
- Correspondence: (S.M.); (E.T.); Tel.: +48-814-456-905 (S.M.)
| | - Piotr Dobrowolski
- Department of Functional Anatomy and Cytobiology, Faculty of Biology and Biotechnology, Maria Curie-Sklodowska University, Akademicka St. 19, 20-033 Lublin, Poland;
| | - Kornel Kasperek
- Institute of Biological Basis of Animal Production, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Akademicka St. 13, 20-950 Lublin, Poland; (K.K.); (S.K.)
| | - Sebastian Knaga
- Institute of Biological Basis of Animal Production, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Akademicka St. 13, 20-950 Lublin, Poland; (K.K.); (S.K.)
| | - Małgorzata Kwiecień
- Institute of Animal Nutrition and Bromatology, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Akademicka St. 13, 20-950 Lublin, Poland;
| | - Janine Donaldson
- School of Physiology, Faculty of Health Sciences, University of the Witwatersrand, 7 York St., Parktown, Johannesburg 2193, South Africa;
| | - Mateusz Kutyła
- Department of Industrial and Environmental Microbiology, Faculty of Biology and Biotechnology, Maria Curie-Sklodowska University, Akademicka St. 19, 20-033 Lublin, Poland;
| | - Małgorzata Kapica
- Department of Animal Physiology, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Akademicka St. 12, 20-950 Lublin, Poland;
| | - Ewa Tomaszewska
- Department of Animal Physiology, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Akademicka St. 12, 20-950 Lublin, Poland;
- Correspondence: (S.M.); (E.T.); Tel.: +48-814-456-905 (S.M.)
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50
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Tuna Bone Powder Alleviates Glucocorticoid‐Induced Osteoporosis via Coregulation of the NF‐κB and Wnt/β‐Catenin Signaling Pathways and Modulation of Gut Microbiota Composition and Metabolism. Mol Nutr Food Res 2020; 64:e1900861. [DOI: 10.1002/mnfr.201900861] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 12/06/2019] [Indexed: 12/12/2022]
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