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Ma Z, Liang H, Wang S, Miao W, Yu L, Liu S, Luo Z, Su S, Wang J, Liu S, Li Y, Liang Y, Zhou L. Nardosinone relieves metabolic-associated fatty liver disease and promotes energy metabolism through targeting CYP2D6. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 130:155748. [PMID: 38788398 DOI: 10.1016/j.phymed.2024.155748] [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: 09/20/2023] [Revised: 03/14/2024] [Accepted: 05/14/2024] [Indexed: 05/26/2024]
Abstract
BACKGROUND Nardosinone, a major extract of Rhizoma nardostachyos, plays a vital role in sedation, neural stem cell proliferation, and protection of the heart muscle. However, the huge potential of nardosinone in regulating lipid metabolism and gut microbiota has not been reported, and its potential mechanism has not been studied. PURPOSE To explore the regulation of nardosinone on liver lipid metabolism and gut microbiota. METHODS In this study, the role of nardosinone in lipid metabolism was investigated in vitro and in vivo by adding it to mouse feed and HepG2 cell culture medium. And 16S rRNA gene sequencing was used to explore its regulatory effect on gut microbiota. RESULTS Results showed that nardosinone could improve HFD-induced liver injury and abnormal lipid metabolism by promoting mitochondrial energy metabolism in hepatocytes, alleviating oxidative stress damage, and regulating the composition of the gut microbiota. Mechanistically, combined with network pharmacology and reverse docking analysis, it was predicted that CYP2D6 was the target of nardosinone, and the binding was verified by cellular thermal shift assay (CETSA). CONCLUSIONS This study highlights a novel mechanism function of nardosinone in regulating lipid metabolism and gut microbiota. It also predicts and validates CYP2D6 as a previously unknown regulatory target, which provides new possibilities for the application of nardosinone and the treatment of metabolic-associated fatty liver disease.
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Affiliation(s)
- Zeqiang Ma
- Institute of Digestive Disease, Guangxi Academy of Medical Sciences, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
| | - Huanjie Liang
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Shengnan Wang
- Shaanxi Provincial Key Laboratory of Viti-Viniculture, College of Enology, Northwest A&F University, Yangling, Shaanxi 712199, China
| | - Weiwei Miao
- Institute of Digestive Disease, Guangxi Academy of Medical Sciences, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
| | - Lin Yu
- Institute of Digestive Disease, Guangxi Academy of Medical Sciences, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
| | - Siqi Liu
- Institute of Digestive Disease, Guangxi Academy of Medical Sciences, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
| | - Zupeng Luo
- Institute of Digestive Disease, Guangxi Academy of Medical Sciences, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
| | - Songtao Su
- Institute of Digestive Disease, Guangxi Academy of Medical Sciences, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
| | - Jiale Wang
- Institute of Digestive Disease, Guangxi Academy of Medical Sciences, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
| | - Shi Liu
- Institute of Digestive Disease, Guangxi Academy of Medical Sciences, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
| | - Yixing Li
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Yunxiao Liang
- Institute of Digestive Disease, Guangxi Academy of Medical Sciences, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
| | - Lei Zhou
- Institute of Digestive Disease, Guangxi Academy of Medical Sciences, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China.
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Cao F, Zhang H, Xu B, Li C. Genetic association between gut microbiota and the risk of Guillain-Barré syndrome. J Affect Disord 2024; 357:171-178. [PMID: 38703912 DOI: 10.1016/j.jad.2024.05.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 04/23/2024] [Accepted: 05/01/2024] [Indexed: 05/06/2024]
Abstract
BACKGROUND Guillain-Barré Syndrome (GBS) is an autoimmune disease that typically develops after a previous gastrointestinal (GI) infection. However, the exact association between Gut Microbiota (GM) and GBS still remains unknown due to various challenges. This study aimed to investigate the potential causal association between GM and GBS by using a two-sample Mendelian Randomization (TSMR) analysis. METHODS Utilizing the largest available genome-wide association study (GWAS) meta-analysis from the MiBioGen consortium (n = 13,266) as a foundation, we conducted a TSMR to decipher the causal relationship between GM and GBS. Various analytical methods were employed, including the inverse variance weighted (IVW), MR-PRESSO, MR-Egger, and weighted median. The heterogeneity of instrumental variables (IVs) was assessed using Cochran's Q statistics. RESULTS The analysis identified three microbial taxa with a significantly increased risk association for GBS, including Ruminococcus gnavus group (OR = 1.40, 95 % CI: 1.07-1.83), Ruminococcus gauvreauii group (OR = 1.51, 95 % CI: 1.02-2.25), and Ruminococcaceae UCG009 (OR = 1.42, 95 % CI: 1.02-1.97), while Eubacterium brachy group (OR = 1.44, 95 % CI: 1.10-1.87) and Romboutsia (OR = 1.67, 95 % CI: 1.12-2.47) showed a suggestively causal association. On the other hand, Ruminococcaceae UCG004 (OR = 0.61, 95 % CI: 0.41-0.91) had a protective effect on GBS, while Bacilli (OR = 0.60, 95 % CI: 0.38-0.96), Gamma proteobacteria (OR = 0.63, 95 % CI: 0.41-0.98) and Lachnospiraceae UCG001 (OR = 0.69, 95 % CI: 0.49-0.96) showed a suggestively protective association for GBS. CONCLUSION The MR analysis suggests a potential causal relationship between specific GM taxa and the risk of GBS. However, further extensive research involving diversified populations is imperative to validate these findings.
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Affiliation(s)
- Fangzheng Cao
- Center for Rehabilitation Medicine, Department of Neurology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, China; The Second Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou, China
| | - Houwen Zhang
- Center for Rehabilitation Medicine, Department of Neurology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, China; The Second Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou, China
| | - Bin Xu
- The Second Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou, China; Department of Neurology, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Chunrong Li
- Center for Rehabilitation Medicine, Department of Neurology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, China.
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Jandl B, Dighe S, Gasche C, Makristathis A, Muttenthaler M. Intestinal biofilms: pathophysiological relevance, host defense, and therapeutic opportunities. Clin Microbiol Rev 2024:e0013323. [PMID: 38995034 DOI: 10.1128/cmr.00133-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2024] Open
Abstract
SUMMARYThe human intestinal tract harbors a profound variety of microorganisms that live in symbiosis with the host and each other. It is a complex and highly dynamic environment whose homeostasis directly relates to human health. Dysbiosis of the gut microbiota and polymicrobial biofilms have been associated with gastrointestinal diseases, including irritable bowel syndrome, inflammatory bowel diseases, and colorectal cancers. This review covers the molecular composition and organization of intestinal biofilms, mechanistic aspects of biofilm signaling networks for bacterial communication and behavior, and synergistic effects in polymicrobial biofilms. It further describes the clinical relevance and diseases associated with gut biofilms, the role of biofilms in antimicrobial resistance, and the intestinal host defense system and therapeutic strategies counteracting biofilms. Taken together, this review summarizes the latest knowledge and research on intestinal biofilms and their role in gut disorders and provides directions toward the development of biofilm-specific treatments.
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Affiliation(s)
- Bernhard Jandl
- Faculty of Chemistry, Institute of Biological Chemistry, University of Vienna, Vienna, Austria
- Vienna Doctoral School in Chemistry (DoSChem), University of Vienna, Vienna, Austria
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
| | - Satish Dighe
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
| | - Christoph Gasche
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Medical University of Vienna, Vienna, Austria
- Loha for Life, Center for Gastroenterology and Iron Deficiency, Vienna, Austria
| | - Athanasios Makristathis
- Department of Laboratory Medicine, Division of Clinical Microbiology, Medical University of Vienna, Vienna, Austria
| | - Markus Muttenthaler
- Faculty of Chemistry, Institute of Biological Chemistry, University of Vienna, Vienna, Austria
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
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Pu K, Zhang Z, Li L. Associations between gut microbiota and chronic sinusitis: A bidirectional Mendelian randomization study. Immun Inflamm Dis 2024; 12:e1328. [PMID: 39031512 PMCID: PMC11259002 DOI: 10.1002/iid3.1328] [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: 10/19/2023] [Revised: 06/09/2024] [Accepted: 06/10/2024] [Indexed: 07/22/2024] Open
Abstract
BACKGROUND Studies have indicated a close association between dysbiosis of the gut microbiota and chronic sinusitis. However, the causal relationship between the gut microbiota and the risk of chronic sinusitis remains unclear. METHODS Using genome-wide association study (GWAS) data for the gut microbiota and chronic sinusitis, we conducted a two-sample Mendelian randomization (MR) study to determine the potential causal relationship between the microbiota and chronic sinusitis. We employed the inverse variance-weighted (IVW) method as the primary analytical approach to estimate the effect. Additionally, sensitivity, heterogeneity, and pleiotropy analyses were conducted to evaluate the robustness of the results. Reverse MR analysis was also applied to investigate potential reverse causality. RESULTS Through MR analysis, we identified 17 gut microbiota classifications that are closely associated with chronic sinusitis. However, after Bonferroni multiple correction, only class Bacilli (odds ratio: 0.785, 95% confidence interval: 0.677-0.911, p = .001, false discovery rate = 0.023) maintained a significant causal negative relationship with chronic sinusitis. Sensitivity analysis did not reveal any evidence of heterogeneity or horizontal pleiotropy. Reverse MR analysis found five gut microbiota classifications that are significantly associated with chronic sinusitis, but they were no longer significant after Bonferroni multiple correction. There was no evidence to suggest a reverse causal relationship between chronic sinusitis and class Bacilli. CONCLUSION Specific gut microbiota predicted by genetics exhibit a potential causal relationship with chronic sinusitis, and class Bacilli may have a protective effect on chronic sinusitis.
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Affiliation(s)
- Kunlin Pu
- Department of OtorhinolaryngologyPengzhou Hospital of Traditional Chinese MedicinePengzhouChina
| | - Zhipeng Zhang
- Department of OtorhinolaryngologyPengzhou Hospital of Traditional Chinese MedicinePengzhouChina
| | - Li Li
- Department of OtorhinolaryngologyPengzhou Hospital of Traditional Chinese MedicinePengzhouChina
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Dong Y, Guo Y, Li Q, Zhao Y, Cao J. Soluble dietary fiber from Dendrocalamus brandisii (Munro) Kurz shoot improves liver injury by regulating gut microbial disorder in mice. Food Chem X 2024; 22:101472. [PMID: 38808162 PMCID: PMC11130687 DOI: 10.1016/j.fochx.2024.101472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 02/10/2024] [Accepted: 05/13/2024] [Indexed: 05/30/2024] Open
Abstract
Bamboo shoot has long been regarded as a nutritious and healthy food. It is low in calorie and rich in high-quality dietary fiber (DF), making them a potential DF resource. However, the protective mechanism of soluble dietary fibers from Dendrocalamus brandisii (Munro) Kurz shoot (DS-SDF) on methionine and choline deficient (MCD) diet-induced non-alcoholic fatty liver disease (NAFLD) is still unclear. This study was aimed to investigate the regulation of DS-SDF on gut microbiota in MCD diet-induced mice and its potential protective effect on liver injury. The NAFLD model was induced by the MCD diet for 8 weeks. Through observation of changes in liver function and gut microorganisms, it was found that DS-SDF supplementation could inhibit liver inflammation, improve liver injury, regulate the diversity of gut microorganisms, increase the abundance of beneficial bacteria and short-chain fatty acid-producing bacteria, and reverse the gut disorders induced by the MCD diet in mice. This study showed that DS-SDF supplementation could treat NAFLD by regulating gut microbiota composition, improving liver function, and inhibiting the inflammatory response. It might broaden the idea of high-value utilization of DS-SDF.
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Affiliation(s)
- Yufan Dong
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming, China
- Institute of Forestry Industry, Yunnan, Academy of forestry and grassland, Kunming, China
| | - Yuhong Guo
- Institute of Forestry Industry, Yunnan, Academy of forestry and grassland, Kunming, China
| | - Qin Li
- Institute of Forestry Industry, Yunnan, Academy of forestry and grassland, Kunming, China
| | - Yihe Zhao
- Institute of Forestry Industry, Yunnan, Academy of forestry and grassland, Kunming, China
| | - Jianxin Cao
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming, China
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Jameie M, Ahli B, Ghadir S, Azami M, Amanollahi M, Ebadi R, Rafati A, Naser Moghadasi A. The hidden link: How oral and respiratory microbiomes affect multiple sclerosis. Mult Scler Relat Disord 2024; 88:105742. [PMID: 38964239 DOI: 10.1016/j.msard.2024.105742] [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: 04/28/2024] [Revised: 06/16/2024] [Accepted: 06/20/2024] [Indexed: 07/06/2024]
Abstract
BACKGROUND Extensive research has explored the role of gut microbiota in multiple sclerosis (MS). However, the impact of microbial communities in the oral cavity and respiratory tract on MS is an emerging area of investigation. PURPOSE We aimed to review the current literature related to the nasal, oral, and lung microbiota in people with MS (PwMS). METHODS We conducted a narrative review of clinical and preclinical original studies on PubMed that explored the relationship between the bacterial or viral composition of the nasal, lung, and oral microbiota and MS. Additionally, to find relevant studies not retrieved initially, we also searched for references in related review papers, as well as the references cited within the included studies. RESULTS AND CONCLUSIONS Thirteen studies were meticulously reviewed in three sections; oral microbiota (n = 8), nasal microbiota (n = 3), and lung microbiota (n = 2), highlighting considerable alterations in the oral and respiratory microbiome of PwMS compared to healthy controls (HCs). Genera like Aggregatibacter and Streptococcus were less abundant in the oral microbiota of PwMS compared to HCs, while Staphylococcus, Leptotrichia, Fusobacterium, and Bacteroides showed increased abundance in PwMS. Additionally, the presence of specific bacteria, including Streptococcus sanguinis, within the oral microbiota was suggested to influence Epstein-Barr virus reactivation, a well-established risk factor for MS. Studies related to the nasal microbiome indicated elevated levels of specific Staphylococcus aureus toxins, as well as nasal glial cell infection with human herpes virus (HHV)-6 in PwMS. Emerging research on lung microbiome in animal models demonstrated that manipulating the lung microbiome towards lipopolysaccharide-producing bacteria might suppress MS symptoms. These findings open avenues for potential therapeutic strategies. However, further research is crucial to fully understand the complex interactions between the microbiome and MS. This will help identify the most effective timing, bacterial strains, and modulation techniques.
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Affiliation(s)
- Melika Jameie
- Neuroscience Research Center, Iran University of Medical Sciences, Tehran, Iran; Iranian Center of Neurological Research, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Bahareh Ahli
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Sara Ghadir
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Mobin Azami
- Student Research Committee, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Mobina Amanollahi
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Ebadi
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Rafati
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Abdorreza Naser Moghadasi
- Multiple Sclerosis Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran.
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7
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Chu Z, Zhu L, Zhou Y, Yang F, Hu Z, Luo Y, Li W, Luo F. Targeting Nrf2 by bioactive peptides alleviate inflammation: expanding the role of gut microbiota and metabolites. Crit Rev Food Sci Nutr 2024:1-20. [PMID: 38881345 DOI: 10.1080/10408398.2024.2367570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
Inflammation is a complex process that usually refers to the general response of the body to the harmful stimuli of various pathogens, tissue damage, or exogenous pollutants. Nuclear factor erythroid 2-related factor 2 (Nrf2) is a transcription factor that regulates cellular defense against oxidative damage and toxicity by expressing genes related to oxidative stress response and drug detoxification. In addition to its antioxidant properties, Nrf2 is involved in many other important physiological processes, including inflammation and metabolism. Nrf2 can bind the promoters of antioxidant genes and upregulates their expressions, which alleviate oxidation-induced inflammation. Nrf2 has been shown to upregulate heme oxygenase-1 expression, which promotes NF-κB activation and is closely related with inflammation. Nrf2, as a key factor in antioxidant response, is closely related to the expressions of pro-inflammatory factors, NF-κB pathway and cell metabolism. Bioactive peptides come from a wide range of sources and have many biological functions. Increasing evidence indicates that bioactive peptides have potential anti-inflammatory activities. This article summarized the sources, absorption and utilization of bioactive peptides and their role in alleviating inflammation via Nrf2 pathway. Bioactive peptides can also regulate gut microbiota and alter metabolites, which regulates the Nrf2 pathway through novel pathway and supplement the anti-inflammatory mechanisms of bioactive peptides. This review provides a reference for further study on the anti-inflammatory effect of bioactive peptides and the development and utilization of functional foods.
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Affiliation(s)
- Zhongxing Chu
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Lingfeng Zhu
- Hunan Agricultural Product Processing Institute, Hunan Academy of Agricultural Sciences, Changsha, Hunan, China
| | - Yaping Zhou
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Feiyan Yang
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Zuomin Hu
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Yi Luo
- Department of Clinic Medicine, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Wen Li
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Feijun Luo
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
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Abraham JO, Lin B, Miller AE, Henry LP, Demmel MY, Warungu R, Mwangi M, Lobura PM, Pallares LF, Ayroles JF, Pringle RM, Rubenstein DI. Determinants of microbiome composition: Insights from free-ranging hybrid zebras (Equus quagga × grevyi). Mol Ecol 2024; 33:e17370. [PMID: 38682799 DOI: 10.1111/mec.17370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 04/12/2024] [Accepted: 04/17/2024] [Indexed: 05/01/2024]
Abstract
The composition of mammalian gut microbiomes is highly conserved within species, yet the mechanisms by which microbiome composition is transmitted and maintained within lineages of wild animals remain unclear. Mutually compatible hypotheses exist, including that microbiome fidelity results from inherited dietary habits, shared environmental exposure, morphophysiological filtering and/or maternal effects. Interspecific hybrids are a promising system in which to interrogate the determinants of microbiome composition because hybrids can decouple traits and processes that are otherwise co-inherited in their parent species. We used a population of free-living hybrid zebras (Equus quagga × grevyi) in Kenya to evaluate the roles of these four mechanisms in regulating microbiome composition. We analysed faecal DNA for both the trnL-P6 and the 16S rRNA V4 region to characterize the diets and microbiomes of the hybrid zebra and of their parent species, plains zebra (E. quagga) and Grevy's zebra (E. grevyi). We found that both diet and microbiome composition clustered by species, and that hybrid diets and microbiomes were largely nested within those of the maternal species, plains zebra. Hybrid microbiomes were less variable than those of either parent species where they co-occurred. Diet and microbiome composition were strongly correlated, although the strength of this correlation varied between species. These patterns are most consistent with the maternal-effects hypothesis, somewhat consistent with the diet hypothesis, and largely inconsistent with the environmental-sourcing and morphophysiological-filtering hypotheses. Maternal transmittance likely operates in conjunction with inherited feeding habits to conserve microbiome composition within species.
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Affiliation(s)
- Joel O Abraham
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, USA
| | - Bing Lin
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, USA
- School of Public and International Affairs, Princeton University, Princeton, New Jersey, USA
| | - Audrey E Miller
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, USA
| | - Lucas P Henry
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, USA
- Department of Biology, New York University, New York City, New York, USA
| | - Margaret Y Demmel
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, USA
- Section of Ecology, Behavior and Evolution, University of California San Diego, San Diego, California, USA
| | | | | | | | - Luisa F Pallares
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, USA
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, New Jersey, USA
- Friedrich Miescher Laboratory, Max Planck Society, Tübingen, Germany
| | - Julien F Ayroles
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, USA
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, New Jersey, USA
| | - Robert M Pringle
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, USA
| | - Daniel I Rubenstein
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, USA
- Mpala Research Conservancy, Laikipia County, Kenya
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9
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Yao S, Yagi S, Sugimoto T, Asahara T, Uemoto S, Hatano E. Occult bacteremia in living donor liver transplantation: a prospective observational study of recipients and donors. Surg Today 2024; 54:596-605. [PMID: 38072872 DOI: 10.1007/s00595-023-02778-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 10/01/2023] [Indexed: 05/21/2024]
Abstract
PURPOSE To investigate the incidence and clinical impact of occult bacteremia in liver transplantation (LT). METHODS This prospective observational study involved a fixed-point observation for up to 2 weeks after living donor LT in 20 recipients, with 20 donors as comparison subjects. Bacteria in the blood samples were detected using the ribosomal RNA-targeted reverse-transcription quantitative polymerase chain reaction method. To identify the causality with the gut microbiota (GM), fecal samples were collected and analyzed simultaneously. RESULTS Occult bacteremia was identified in four recipients (20%) and three donors (15%) before the operation, and in seven recipients (35%) and five donors (25%) after the operation. Clostridium leptum subgroup, Prevotella, Colinesella, Enterobacteriaceae, and Streptococcus were the main pathogens responsible. Although it did not negatively affect the donor post-hepatectomy outcomes, the recipients with occult bacteremia had a higher rate of infectious complications post-LT. The GM analyses showed fewer post-LT predominant obligate anaerobes in both the recipients and donors with occult bacteremia. CONCLUSIONS Occult bacteremia is a common condition that occurs in both donors and recipients. While occult bacteremia generally remains subclinical in the healthy population, there is potential risk of the development of an apparent post-LT infection in recipients who are highly immunosuppressed.
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Affiliation(s)
- Siyuan Yao
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan.
- The Dumont-UCLA Transplantation Center, Department of Surgery, Division of Liver and Pancreas Transplantation, David Geffen School of Medicine at UCLA, Los Angeles, USA.
| | - Shintaro Yagi
- Department of Surgery, Graduate School of Medicine, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Takuya Sugimoto
- Yakult Central Institute, Yakult Honsha Co. Ltd., Tokyo, Japan
| | - Takashi Asahara
- Yakult Central Institute, Yakult Honsha Co. Ltd., Tokyo, Japan
| | - Shinji Uemoto
- Shiga University of Medical Science, Otsu, Shiga, Japan
| | - Etsuro Hatano
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
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10
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Trandafir M, Pircalabioru GG, Savu O. Microbiota analysis in individuals with type two diabetes mellitus and end‑stage renal disease: A pilot study. Exp Ther Med 2024; 27:211. [PMID: 38590581 PMCID: PMC11000444 DOI: 10.3892/etm.2024.12500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 01/30/2024] [Indexed: 04/10/2024] Open
Abstract
Chronic kidney disease (CKD) is a widespread health concern, which affects ~9.1% of the global population and 12-15% of individuals in upper-middle income countries. Notably, ~2% of patients with CKD progress to end-stage renal disease (ESRD), which leads to a substantial decline in the quality of life, an increased risk of mortality and significant financial burden. Patients with ESRD often still suffer from uremia and uremic syndromes, due to the accumulation of toxins between dialysis sessions and the inadequate removal of protein-bound toxins during dialysis. A number of these toxins are produced by the gut microbiota through the fermentation of dietary proteins or cholines. Furthermore, the gut microbial community serves a key role in maintaining metabolic and immune equilibrium in individuals. The present study aimed to investigate the gut microbiota patterns in individuals with type 2 diabetes mellitus (T2DM) and ESRD via quantitative PCR analysis of the 16S and 18S ribosomal RNA of selected members of the gut microbiota. Individuals affected by both T2DM and ESRD displayed distinctive features within their intestinal microbiota. Specifically, there were increased levels of Gammaproteobacteria observed in these patients, and all subjects exhibited a notably increased presence of Enterobacteriaceae compared with healthy individuals. This particular microbial community has established connections with the presence of inflammatory processes in the colon. Moreover, the elevated levels of Enterobacteriaceae may serve as an indicator of an imbalance in the intestinal microbiota, a condition known as dysbiosis. In addition, the Betaproteobacteria phylum was significantly more prevalent in the stool samples of patients with both T2DM and ESRD when compared with the control group. In conclusion, the present pilot study focused on gut microbiome alterations in T2DM and ESRD. Understanding the relationship between dysbiosis and CKD may identify new areas of research and therapeutic interventions aimed at modulating the gut microbiota to improve the health and outcomes of individuals with CKD and ESRD.
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Affiliation(s)
- Maria Trandafir
- Doctoral School, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Gratiela Gradisteanu Pircalabioru
- Earth, Environmental and Life Sciences Division, Research Institute of University of Bucharest, 050095 Bucharest, Romania
- Academy of Romanian Scientists, 050045 Bucharest, Romania
- eBio-hub Research Center, National University of Science and Technology Politehnica Bucharest, 060811 Bucharest, Romania
| | - Octavian Savu
- Doctoral School, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
- ‘N.C. Paulescu’ National Institute of Diabetes, Nutrition and Metabolic Diseases, 020042 Bucharest, Romania
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11
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Li S, Zhang YX. Sensitive delivery systems and novel encapsulation technologies for live biotherapeutic products and probiotics. Crit Rev Microbiol 2024; 50:371-384. [PMID: 37074732 DOI: 10.1080/1040841x.2023.2202237] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 04/06/2023] [Indexed: 04/20/2023]
Abstract
Live biotherapeutic product (LBP), a type of biological product, holds promise for the prevention or treatment of metabolic disease and pathogenic infection. Probiotics are live microorganisms that improve the intestinal microbial balance and beneficially affect the health of the host when ingested in sufficient numbers. These biological products possess the advantages of inhibition of pathogens, degradation of toxins, and modulation of immunity. The application of LBP and probiotic delivery systems has attracted great interest to researchers. The initial used technologies for LBP and probiotic encapsulation are traditional capsules and microcapsules. However, the stability and targeted delivery capability require further improved. The specific sensitive materials can greatly improve the delivery efficiency of LBPs and probiotics. The specific sensitive delivery systems show advantages over traditional ones due to their better properties of biocompatibility, biodegradability, innocuousness, and stability. Moreover, some new technologies, including layer-by-layer encapsulation, polyelectrolyte complexation, and electrohydrodynamic technology, show great potential in LBP and probiotic delivery. In this review, novel delivery systems and new technologies of LBPs and probiotics were presented, and the challenges and prospects were explored in specific sensitive materials for LBP and probiotic delivery.
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Affiliation(s)
- Shuang Li
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Yi-Xuan Zhang
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
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12
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Jurjus A, El Masri J, Ghazi M, El Ayoubi LM, Soueid L, Gerges Geagea A, Jurjus R. Mechanism of Action of Melatonin as a Potential Adjuvant Therapy in Inflammatory Bowel Disease and Colorectal Cancer. Nutrients 2024; 16:1236. [PMID: 38674926 PMCID: PMC11054672 DOI: 10.3390/nu16081236] [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: 03/22/2024] [Revised: 04/18/2024] [Accepted: 04/19/2024] [Indexed: 04/28/2024] Open
Abstract
Inflammatory bowel disease (IBD), a continuum of chronic inflammatory diseases, is tightly associated with immune system dysregulation and dysbiosis, leading to inflammation in the gastrointestinal tract (GIT) and multiple extraintestinal manifestations. The pathogenesis of IBD is not completely elucidated. However, it is associated with an increased risk of colorectal cancer (CRC), which is one of the most common gastrointestinal malignancies. In both IBD and CRC, a complex interplay occurs between the immune system and gut microbiota (GM), leading to the alteration in GM composition. Melatonin, a neuroendocrine hormone, was found to be involved with this interplay, especially since it is present in high amounts in the gut, leading to some protective effects. Actually, melatonin enhances the integrity of the intestinal mucosal barrier, regulates the immune response, alleviates inflammation, and attenuates oxidative stress. Thereby, the authors summarize the multifactorial interaction of melatonin with IBD and with CRC, focusing on new findings related to the mechanisms of action of this hormone, in addition to its documented positive outcomes on the treatment of these two pathologies and possible future perspectives to use melatonin as an adjuvant therapy.
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Affiliation(s)
- Abdo Jurjus
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107, Lebanon; (J.E.M.); (M.G.); (L.S.); (A.G.G.); (R.J.)
| | - Jad El Masri
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107, Lebanon; (J.E.M.); (M.G.); (L.S.); (A.G.G.); (R.J.)
- Faculty of Medical Sciences, Lebanese University, Beirut 6573, Lebanon;
| | - Maya Ghazi
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107, Lebanon; (J.E.M.); (M.G.); (L.S.); (A.G.G.); (R.J.)
- Faculty of Medical Sciences, Lebanese University, Beirut 6573, Lebanon;
| | | | - Lara Soueid
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107, Lebanon; (J.E.M.); (M.G.); (L.S.); (A.G.G.); (R.J.)
| | - Alice Gerges Geagea
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107, Lebanon; (J.E.M.); (M.G.); (L.S.); (A.G.G.); (R.J.)
| | - Rosalyn Jurjus
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107, Lebanon; (J.E.M.); (M.G.); (L.S.); (A.G.G.); (R.J.)
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13
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Das UN. Can essential fatty acids (EFAs) prevent and ameliorate post-COVID-19 long haul manifestations? Lipids Health Dis 2024; 23:112. [PMID: 38641607 PMCID: PMC11027247 DOI: 10.1186/s12944-024-02090-4] [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: 01/17/2024] [Accepted: 03/25/2024] [Indexed: 04/21/2024] Open
Abstract
It is hypothesized that COVID-19, post-COVID and post-mRNA COVID-19 (and other related) vaccine manifestations including "long haul syndrome" are due to deficiency of essential fatty acids (EFAs) and dysregulation of their metabolism. This proposal is based on the observation that EFAs and their metabolites can modulate the swift immunostimulatory response of SARS-CoV-2 and similar enveloped viruses, suppress inappropriate cytokine release, possess cytoprotective action, modulate serotonin and bradykinin production and other neurotransmitters, inhibit NF-kB activation, regulate cGAS-STING pathway, modulate gut microbiota, inhibit platelet activation, regulate macrophage and leukocyte function, enhance wound healing and facilitate tissue regeneration and restore homeostasis. This implies that administration of EFAs could be of benefit in the prevention and management of COVID-19 and its associated complications.
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Affiliation(s)
- Undurti N Das
- UND Life Sciences, 2221 NW 5th St, Battle ground, WA, 98604, USA.
- Department of Biotechnology, Indian Institute of Technology-Hyderabad, Sangareddy, Telangana, India.
- Department of Immunology and Rheumatology, Arete Hospitals, Gachibowli, Hyderabad, 4500032, India.
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14
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Deng Z, Yang C, Xiang T, Dou C, Sun D, Dai Q, Ling Z, Xu J, Luo F, Chen Y. Gold nanoparticles exhibit anti-osteoarthritic effects via modulating interaction of the "microbiota-gut-joint" axis. J Nanobiotechnology 2024; 22:157. [PMID: 38589904 PMCID: PMC11000357 DOI: 10.1186/s12951-024-02447-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 03/30/2024] [Indexed: 04/10/2024] Open
Abstract
Osteoarthritis (OA) is a common degenerative joint disease that can cause severe pain, motor dysfunction, and even disability. A growing body of research indicates that gut microbiota and their associated metabolites are key players in maintaining bone health and in the progression of OA. Short-chain fatty acids (SCFAs) are a series of active metabolites that widely participate in bone homeostasis. Gold nanoparticles (GNPs) with outstanding anti-bacterial and anti-inflammatory properties, have been demonstrated to ameliorate excessive bone loss during the progression of osteoporosis (OP) and rheumatoid arthritis (RA). However, the protective effects of GNPs on OA progression are not clear. Here, we observed that GNPs significantly alleviated anterior cruciate ligament transection (ACLT)-induced OA in a gut microbiota-dependent manner. 16S rDNA gene sequencing showed that GNPs changed gut microbial diversity and structure, which manifested as an increase in the abundance of Akkermansia and Lactobacillus. Additionally, GNPs increased levels of SCFAs (such as butyric acid), which could have improved bone destruction by reducing the inflammatory response. Notably, GNPs modulated the dynamic balance of M1/M2 macrophages, and increased the serum levels of anti-inflammatory cytokines such as IL-10. To sum up, our study indicated that GNPs exhibited anti-osteoarthritis effects via modulating the interaction of "microbiota-gut-joint" axis, which might provide promising therapeutic strategies for OA.
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Affiliation(s)
- Zihan Deng
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Chuan Yang
- Department of Biomedical Materials Science, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Tingwen Xiang
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Ce Dou
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Dong Sun
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Qijie Dai
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Zhiguo Ling
- Institute of Immunology, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Jianzhong Xu
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China.
| | - Fei Luo
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China.
| | - Yueqi Chen
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China.
- Department of Orthopedics, Chinese PLA 76th Army Corps Hospital, Xining, People's Republic of China.
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15
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Ali A, Wu L, Ali SS. Gut microbiota and acute kidney injury: immunological crosstalk link. Int Urol Nephrol 2024; 56:1345-1358. [PMID: 37749436 DOI: 10.1007/s11255-023-03760-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 08/14/2023] [Indexed: 09/27/2023]
Abstract
The gut microbiota, often called the "forgotten organ," plays a crucial role in bidirectional communication with the host for optimal physiological function. This communication helps regulate the host's immunity and metabolism positively and negatively. Many factors influence microbiota homeostasis and subsequently lead to an immune system imbalance. The correlation between an unbalanced immune system and acute diseases such as acute kidney injury is not fully understood, and the role of gut microbiota in disease pathogenesis is still yet uncovered. This review summarizes our understanding of gut microbiota, focusing on the interactions between the host's immune system and the microbiome and their impact on acute kidney injury.
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Affiliation(s)
- Asmaa Ali
- Department of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, 212013, China.
- Department of Pulmonary Medicine, Abbassia Chest Hospital, MOH, Cairo, Egypt.
- Department of Respiratory Allergy, A Al-Rashed Allergy Center, Ministry of Health, Kuwait, Kuwait.
| | - Liang Wu
- Yizheng Hospital, Nanjing Drum Tower Hospital Group, Yizheng, 210008, China.
| | - Sameh Samir Ali
- School of the Environment and Safety Engineering, Biofuels Institute, Jiangsu University, Zhenjiang, 212013, China
- Botany Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt
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16
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Cao R, Fang X, Li Z, Li S, Guo Q, Chai Y. Effect of Polygonatum sibiricum saponins on gut microbiota of mice with ulcerative colitis. Fitoterapia 2024; 174:105855. [PMID: 38354822 DOI: 10.1016/j.fitote.2024.105855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 02/05/2024] [Accepted: 02/11/2024] [Indexed: 02/16/2024]
Abstract
Polygonatum sibiricum is a plant with medicinal and nutritional properties. Saponins are the important biologically active components of Polygonatum sibiricum. In this study, the specific components of Polygonatum sibiricum saponins (PSS) were analyzed, and the regulation effect of PSS on intestinal flora in patients with ulcerative colitis (UC) was investigated by inducing male Kunming mice with dextran sulfate sodium (DSS). PSS could ameliorate the symptoms of weight loss, high DAI score and colon length reduction compared to DSS-induced treatment. Colonic fragments were taken for H&E staining and histopathological scoring. PSS could significantly improve the pathological abnormality of colitis mice. 16S rRNA analysis showed that the intestinal microbial community of mice treated with DSS was significantly damaged. PSS could restore the richness and diversity of intestinal microbial flora, reduce the number of pathogenic bacteria, and increase the abundance of Lactobacillus spp. and Muribaculaceae, and improve the intestinal microbial flora disorder. Generally, PSS had an obvious effect in relieving colitis in mice. This study confirmed that Polygonatum sibiricum saponins play a therapeutic and palliative role in ulcerative colitis by regulating the microbiome balance.
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Affiliation(s)
- Rong Cao
- College of Life Sciences, Northeast Forestry University, Harbin 150040, China
| | - Xinyi Fang
- College of Life Sciences, Northeast Forestry University, Harbin 150040, China
| | - Ziyi Li
- College of Life Sciences, Northeast Forestry University, Harbin 150040, China
| | - Sijia Li
- College of Life Sciences, Northeast Forestry University, Harbin 150040, China
| | - Qingqi Guo
- College of Life Sciences, Northeast Forestry University, Harbin 150040, China; Key Laboratory of Forest Food Resources Utilization of Heilongjiang Province, Harbin 150040, China
| | - Yangyang Chai
- College of Life Sciences, Northeast Forestry University, Harbin 150040, China; Key Laboratory of Forest Food Resources Utilization of Heilongjiang Province, Harbin 150040, China.
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17
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Olson S, Welton L, Jahansouz C. Perioperative Considerations for the Surgical Treatment of Crohn's Disease with Discussion on Surgical Antibiotics Practices and Impact on the Gut Microbiome. Antibiotics (Basel) 2024; 13:317. [PMID: 38666993 PMCID: PMC11047551 DOI: 10.3390/antibiotics13040317] [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: 02/21/2024] [Revised: 03/22/2024] [Accepted: 03/28/2024] [Indexed: 04/29/2024] Open
Abstract
Crohn's disease, a chronic inflammatory process of the gastrointestinal tract defined by flares and periods of remission, is increasing in incidence. Despite advances in multimodal medical therapy, disease progression often necessitates multiple operations with high morbidity. The inability to treat Crohn's disease successfully is likely in part because the etiopathogenesis is not completely understood; however, recent research suggests the gut microbiome plays a critical role. How traditional perioperative management, including bowel preparation and preoperative antibiotics, further changes the microbiome and affects outcomes is not well described, especially in Crohn's patients, who are unique given their immunosuppression and baseline dysbiosis. This paper aims to outline current knowledge regarding perioperative management of Crohn's disease, the evolving role of gut dysbiosis, and how the microbiome can guide perioperative considerations with special attention to perioperative antibiotics as well as treatment of Mycobacterium avium subspecies paratuberculosis. In conclusion, dysbiosis is common in Crohn's patients and may be exacerbated by malnutrition, steroids, narcotic use, diarrhea, and perioperative antibiotics. Dysbiosis is also a major risk factor for anastomotic leak, and special consideration should be given to limiting factors that further perturb the gut microbiota in the perioperative period.
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Affiliation(s)
- Shelbi Olson
- Department of Surgery, University of Minnesota, Minneapolis, MN 55455, USA; (S.O.); (L.W.)
| | - Lindsay Welton
- Department of Surgery, University of Minnesota, Minneapolis, MN 55455, USA; (S.O.); (L.W.)
| | - Cyrus Jahansouz
- Division of Colon and Rectal Surgery, University of Minnesota, Minneapolis, MN 55455, USA
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18
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Rashid S, Sado AI, Afzal MS, Ahmed A, Almaalouli B, Waheed T, Abid R, Majumder K, Kumar V, Tejwaney U, Kumar S. Role of gut microbiota in cardiovascular diseases - a comprehensive review. Ann Med Surg (Lond) 2024; 86:1483-1489. [PMID: 38463085 PMCID: PMC10923299 DOI: 10.1097/ms9.0000000000001419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Accepted: 09/30/2023] [Indexed: 03/12/2024] Open
Abstract
The connection between cardiovascular illnesses and the gut microbiota has drawn more and more attention in recent years. According to research, there are intricate relationships between dietary elements, gut bacteria, and their metabolites that affect cardiovascular health. In this study, the role of gut microbiota in cardiovascular disorders is examined, with an emphasis on the cardiac consequences brought on by changes in gut microbiota. This essay discusses the gut-heart axis in depth and in detail. It talks about clinical research looking at how soy consumption, probiotic supplements, and dietary changes affected gut microbiota and cardiovascular risk variables. Our goal is to clarify the possible pathways that connect gut microbiota to cardiovascular health and the implications for upcoming treatment approaches. The authors examine the composition, roles, and effects of the gut microbiota on cardiovascular health, including their contributions to hypertension, atherosclerosis, lipid metabolism, and heart failure. Endotoxemia, inflammation, immunological dysfunction, and host lipid metabolism are some of the potential processes investigated for how the gut microbiota affects cardiac outcomes. The research emphasizes the need for larger interventional studies and personalized medicine strategies to completely understand the complexity of the gut-heart axis and its implications for the management of cardiovascular disease. The development of novel treatment strategies and cutting-edge diagnostic technologies in cardiovascular medicine may be facilitated by a better understanding of this axis.
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Affiliation(s)
| | | | | | | | | | | | - Rabia Abid
- Liaquat college of medicine and dentistry, Karachi, Pakistan
| | | | | | | | - Sarwan Kumar
- Wayne State University
- Department of Medicine, Chittagong Medical College, Chittagong, Bangladesh
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19
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Liu Z, Liu T, Zhang Z, Fan Y. Bacillus coagulans regulates gut microbiota and ameliorates the alcoholic-associated liver disease in mice. Front Microbiol 2024; 15:1337185. [PMID: 38596381 PMCID: PMC11002907 DOI: 10.3389/fmicb.2024.1337185] [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: 11/13/2023] [Accepted: 01/26/2024] [Indexed: 04/11/2024] Open
Abstract
Introduction Alcoholic-associated liver diseases (ALD) are now widespread issues worldwide. Alcoholic-induced chronic dysbiosis of the gut microbiota is one of the factors in the pathophysiology of ALD. Methods In this work, we employed a chronic-binge ethanol feeding mice model, as described in a previous report. Results Our findings demonstrate that hepatic inflammatory injury damage and accumulation of fat can be effectively reduced in mice with ALD by altering the gut microbiota utilizing Bacillus coagulans. Treatment with B. coagulans significantly modulates the levels of TNF-α, IL-1β, and IL-22 cytokines while maintaining tight junction proteins and mucin protein expressions to support intestinal barrier function restoration. Treatment with B. coagulans also alters the composition of the gut microbiota and increases the production of short-chain fatty acids (SCFAs). Discussion This is mostly due to B. coagulans promotes the growth of bacteria that produce SCFAs, such as Ruminococcus species and Akkermansia, while inhibiting the growth of pathogenic bacteria like Escherichia Shigella. Moreover, treatment with B. coagulans causes levels of 2-Ketobutyric acid, ketoleucine, and indoleacetic acid increase while homovanillic acid and 3'-O-Methylguanosine metabolites decrease significantly. This study facilitates the development of therapeutic and preventive strategies for ALD using lactic acid bacteria.
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Affiliation(s)
- Zhenzhen Liu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, China
| | - Tong Liu
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Zhenting Zhang
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang, China
| | - Yurong Fan
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
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20
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D'Hooghe SMTJ, Bosch G, Sun M, Cools A, Hendriks WH, Becker AAMJ, Janssens GPJ. How important is food structure when cats eat mice? Br J Nutr 2024; 131:369-383. [PMID: 37694489 DOI: 10.1017/s0007114523002039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Feeding whole prey to felids has shown to benefit their gastrointestinal health. Whether this effect is caused by the chemical or physical nature of whole prey is unknown. Fifteen domestic cats, as a model for strict carnivores, were either fed minced mice (MM) or whole mice (WM), to determine the effect of food structure on digestibility, mean urinary excretion time (MUET) of 15N, intestinal microbial activity and fermentation products. Faeces samples were collected after feeding all cats a commercially available extruded diet (EXT) for 10 d before feeding for 19 d the MM and WM diets with faeces and urine collected from day 11 to 15. Samples for microbiota composition and determination of MUET were obtained from day 16 to 19. The physical structure of the mice diet (minced or not) did not affect large intestinal fermentation as total SCFA and branched-chain fatty acid (BCFA), and most biogenic amine (BA) concentrations were not different (P > 0·10). When changing from EXT to the mice diets, the microbial community composition shifted from a carbolytic (Prevotellaceae) to proteolytic (Fusobacteriaceae) profile and led to a reduced faecal acetic to propionic acid ratio, SCFA, total BCFA (P < 0·001), NH3 (P = 0·04), total BA (P < 0·001) and para-cresol (P = 0·08). The results of this study indicate that food structure within a whole-prey diet is less important than the overall diet type, with major shifts in microbiome and decrease in potentially harmful fermentation products when diet changes from extruded to mice. This urges for careful consideration of the consequences of prey-based diets for gut health in cats.
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Affiliation(s)
- Sylvie M-T J D'Hooghe
- Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Heidestraat 19, 9820 Merelbeke, Belgium
| | - Guido Bosch
- Animal Nutrition Group, Wageningen University & Research, PO Box 338, 6700 AH Wageningen, The Netherlands
| | - Mengmeng Sun
- Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Heidestraat 19, 9820 Merelbeke, Belgium
| | - An Cools
- Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Heidestraat 19, 9820 Merelbeke, Belgium
| | - Wouter H Hendriks
- Animal Nutrition Group, Wageningen University & Research, PO Box 338, 6700 AH Wageningen, The Netherlands
| | - Anne A M J Becker
- Department of Biomedical sciences, Ross University School of Veterinary Medicine, P.O. Box 334, Basseterre, Saint Kitts and Nevis
| | - Geert P J Janssens
- Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Heidestraat 19, 9820 Merelbeke, Belgium
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21
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Hong JS, Shamim A, Atta H, Nonnecke EB, Merl S, Patwardhan S, Manell E, Gunes E, Jordache P, Chen B, Lu W, Shen B, Dionigi B, Kiran RP, Sykes M, Zorn E, Bevins CL, Weiner J. Application of enzyme-linked immunosorbent assay to detect antimicrobial peptides in human intestinal lumen. J Immunol Methods 2024; 525:113599. [PMID: 38081407 PMCID: PMC10956375 DOI: 10.1016/j.jim.2023.113599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 12/04/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023]
Abstract
Intestinal transplantation is the definitive treatment for intestinal failure. However, tissue rejection and graft-versus-host disease are relatively common complications, necessitating aggressive immunosuppression that can itself pose further complications. Tracking intraluminal markers in ileal effluent from standard ileostomies may present a noninvasive and sensitive way to detect developing pathology within the intestinal graft. This would be an improvement compared to current assessments, which are limited by poor sensitivity and specificity, contributing to under or over-immunosuppression, respectively, and by the need for invasive biopsies. Herein, we report an approach to reproducibly analyze ileal fluid obtained through stoma sampling for antimicrobial peptide/protein concentrations, reasoning that these molecules may provide an assessment of intestinal homeostasis and levels of intestinal inflammation over time. Concentrations of lysozyme (LYZ), myeloperoxidase (MPO), calprotectin (S100A8/A9) and β-defensin 2 (DEFB2) were assessed using adaptations of commercially available enzyme-linked immunosorbent assays (ELISAs). The concentration of α-defensin 5 (DEFA5) was assessed using a newly developed sandwich ELISA. Our data support that with proper preparation of ileal effluent specimens, precise and replicable determination of antimicrobial peptide/protein concentrations can be achieved for each of these target molecules via ELISA. This approach may prove to be reliable as a clinically useful assessment of intestinal homeostasis over time for patients with ileostomies.
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Affiliation(s)
- Julie S Hong
- Columbia Center of Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States of America.
| | - Abrar Shamim
- Columbia Center of Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States of America; College of Dental Medicine, Columbia University, New York, NY, United States of America
| | - Hussein Atta
- Columbia Center of Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States of America
| | - Eric B Nonnecke
- Department of Microbiology and Immunology, University of California Davis School of Medicine, Davis, CA, United States of America
| | - Sarah Merl
- Department of Pathology and Cell Biology, Columbia University, New York, NY, United States of America
| | - Satyajit Patwardhan
- Columbia Center of Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States of America
| | - Elin Manell
- Columbia Center of Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States of America; Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Esad Gunes
- Columbia Center of Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States of America
| | - Philip Jordache
- Columbia Center of Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States of America
| | - Bryan Chen
- Columbia Center of Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States of America
| | - Wuyuan Lu
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD, United States of America
| | - Bo Shen
- Department of Surgery, Columbia University/New York-Presbyterian Hospital, New York, NY, United States of America
| | - Beatrice Dionigi
- Department of Surgery, Columbia University/New York-Presbyterian Hospital, New York, NY, United States of America
| | - Ravi P Kiran
- Department of Surgery, Columbia University/New York-Presbyterian Hospital, New York, NY, United States of America
| | - Megan Sykes
- Columbia Center of Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States of America; Department of Surgery, Columbia University/New York-Presbyterian Hospital, New York, NY, United States of America
| | - Emmanuel Zorn
- Columbia Center of Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States of America
| | - Charles L Bevins
- Department of Microbiology and Immunology, University of California Davis School of Medicine, Davis, CA, United States of America
| | - Joshua Weiner
- Columbia Center of Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States of America; Department of Surgery, Columbia University/New York-Presbyterian Hospital, New York, NY, United States of America
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Zhang S, Wang J, Chen Y, Zheng Z, Xu Z. Efficient secretion of an enzyme cocktail in Escherichia coli for hemicellulose degradation. Int J Biol Macromol 2024; 259:129205. [PMID: 38185299 DOI: 10.1016/j.ijbiomac.2024.129205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 11/18/2023] [Accepted: 01/01/2024] [Indexed: 01/09/2024]
Abstract
The use of host to secrete several hemicellulase is a cost-effective way for hemicellulose degradation. In this study, the xylose utilization gene xylAB of Escherichia coli BL21 was knocked out, and the xylanase (N20Xyl), β-xylosidase (Xys), and feruloyl esterase (FaeLam) were co-expressed in this strain. By measuring the content of reducing sugars generated by enzymatic hydrolysis of wheat bran in the fermentation supernatant, the order of the three enzymes was screened to obtain the optimal recombinant strain of E. coli BL21/∆xylAB/pDIII-2. Subsequently, fermentation conditions including culture medium, inducer concentration, induction timing, metal ions, and glycine concentration were optimized. Then, different concentrations of wheat bran and xylan were added to the fermentation medium for degradation. The results showed that the extracellular reducing sugars content reached the highest value of 33.70 ± 0.46 g/L when 50 g/L xylan was added. Besides, the scavenging rates of hydroxyl radical by the fermentation supernatant was 81.0 ± 1.41 %, and the total antioxidant capacity reached 2.289 ± 0.55. Furthermore, it showed the growth promotion effect on different lactic acid bacteria. These results provided a basis for constructing E. coli strain to efficiently degrade hemicellulose, and the strain obtained has great potential application to transform hemicellulose into fermentable carbon source.
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Affiliation(s)
- Susu Zhang
- College of Life Science, Shandong Normal University, Jinan 250358, PR China; Dongying Key Laboratory of Salt Tolerance Mechanism and Application of Halophytes, Dongying Institute, Shandong Normal University, Dongying 257000, PR China
| | - Jiapeng Wang
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Science, Jinan 250353, PR China; Department of Bioengineering, Qilu University of Technology, Shandong Academy of Science, Jinan 250353, PR China
| | - Yunxia Chen
- College of Life Science, Shandong Normal University, Jinan 250358, PR China
| | - Ziyi Zheng
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Science, Jinan 250353, PR China; Department of Bioengineering, Qilu University of Technology, Shandong Academy of Science, Jinan 250353, PR China
| | - Zhenshang Xu
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Science, Jinan 250353, PR China; Department of Bioengineering, Qilu University of Technology, Shandong Academy of Science, Jinan 250353, PR China.
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Luqman A, Hassan A, Ullah M, Naseem S, Ullah M, Zhang L, Din AU, Ullah K, Ahmad W, Wang G. Role of the intestinal microbiome and its therapeutic intervention in cardiovascular disorder. Front Immunol 2024; 15:1321395. [PMID: 38343539 PMCID: PMC10853344 DOI: 10.3389/fimmu.2024.1321395] [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: 10/14/2023] [Accepted: 01/08/2024] [Indexed: 02/15/2024] Open
Abstract
The gut microbiome is a heterogeneous population of microbes comprising viruses, bacteria, fungi, and protozoa. Such a microbiome is essential for sustaining host equilibrium, and its impact on human health can be altered by a variety of factors such as external variables, social behavior, age, nutrition, and genetics. Gut microbes' imbalances are related to a variety of chronic diseases including cancer, obesity, and digestive disorders. Globally, recent findings show that intestinal microbes have a significant role in the formation of cardiovascular disease (CVD), which is still the primary cause of fatalities. Atherosclerosis, hypertension, diabetes, inflammation, and some inherited variables are all cardiovascular risk variables. However, studies found correlations between metabolism, intestinal flora, and dietary intake. Variations in the diversity of gut microbes and changes in their activity are thought to influence CVD etiology. Furthermore, the gut microbiota acts as an endocrine organ, producing bioactive metabolites such as TMA (trimethylamine)/TMAO (trimethylamine N-oxide), SCFA (short-chain fatty acids), and bile acids, which have a substantial impact on host wellness and disease by multiple mechanisms. The purpose of this overview is to compile current evidence highlighting the intricate links between gut microbiota, metabolites, and the development of CVD. It focuses on how intestinal dysbiosis promotes CVD risk factors such as heart failure, hypertension, and atherosclerosis. This review explores the normal physiology of intestinal microbes and potential techniques for targeting gut bacteria for CVD treatment using various microbial metabolites. It also examines the significance of gut bacteria in disease treatment, including supplements, prebiotics, probiotics, antibiotic therapies, and fecal transplantation, which is an innovative approach to the management of CVD. As a result, gut bacteria and metabolic pathways become increasingly attractive as potential targets for CVD intervention.
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Affiliation(s)
- Ameer Luqman
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, China
- JinFeng Laboratories, Chongqing, China
| | - Adil Hassan
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, China
- JinFeng Laboratories, Chongqing, China
- Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing University of Science and Technology, Chongqing, China
| | - Mehtab Ullah
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, China
| | - Sahar Naseem
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, China
| | - Mehraj Ullah
- School of Fermentation Engineering Tianjin University of Science and Technology, Tianjin, China
| | | | - Ahmad Ud Din
- Plants for Human Health Institute, Department of Food, Bioprocessing and Nutrition Sciences, North Carolina State University, Kannapolis, NC, United States
| | - Kamran Ullah
- Department of Biology, The University of Haripur, Haripur, Khyber Pakhtunkhwa, Pakistan
| | - Waqar Ahmad
- Basic Medicine Research Innovation Center for Cardiometabolic Diseases, Ministry of Education, Southwest Medical University, Luzhou, China
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, China
- JinFeng Laboratories, Chongqing, China
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Hu P, Yuan M, Guo B, Lin J, Yan S, Huang H, Chen JL, Wang S, Ma Y. Citric Acid Promotes Immune Function by Modulating the Intestinal Barrier. Int J Mol Sci 2024; 25:1239. [PMID: 38279237 PMCID: PMC10817003 DOI: 10.3390/ijms25021239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/09/2024] [Accepted: 01/16/2024] [Indexed: 01/28/2024] Open
Abstract
Amidst increasing concern about antibiotic resistance resulting from the overuse of antibiotics, there is a growing interest in exploring alternative agents. One such agent is citric acid, an organic compound commonly used for various applications. Our research findings indicate that the inclusion of citric acid can have several beneficial effects on the tight junctions found in the mouse intestine. Firstly, the study suggests that citric acid may contribute to weight gain by stimulating the growth of intestinal epithelial cells (IE-6). Citric acid enhances the small intestinal villus-crypt ratio in mice, thereby promoting intestinal structural morphology. Additionally, citric acid has been found to increase the population of beneficial intestinal microorganisms, including Bifidobacterium and Lactobacillus. It also promotes the expression of important protein genes such as occludin, ZO-1, and claudin-1, which play crucial roles in maintaining the integrity of the tight junction barrier in the intestines. Furthermore, in infected IEC-6 cells with H9N2 avian influenza virus, citric acid augmented the expression of genes closely associated with the influenza virus infection. Moreover, it reduces the inflammatory response caused by the viral infection and thwarted influenza virus replication. These findings suggest that citric acid fortifies the intestinal tight junction barrier, inhibits the replication of influenza viruses targeting the intestinal tract, and boosts intestinal immune function.
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Affiliation(s)
- Pengcheng Hu
- Joint Laboratory of Animal Pathogen Prevention and Control of Fujian-Nepal, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (P.H.); (M.Y.); (S.Y.); (J.-L.C.); (S.W.)
| | - Meng Yuan
- Joint Laboratory of Animal Pathogen Prevention and Control of Fujian-Nepal, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (P.H.); (M.Y.); (S.Y.); (J.-L.C.); (S.W.)
| | - Bolun Guo
- Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (B.G.); (J.L.); (H.H.)
| | - Jiaqi Lin
- Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (B.G.); (J.L.); (H.H.)
| | - Shihong Yan
- Joint Laboratory of Animal Pathogen Prevention and Control of Fujian-Nepal, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (P.H.); (M.Y.); (S.Y.); (J.-L.C.); (S.W.)
- Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (B.G.); (J.L.); (H.H.)
| | - Huiqing Huang
- Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (B.G.); (J.L.); (H.H.)
| | - Ji-Long Chen
- Joint Laboratory of Animal Pathogen Prevention and Control of Fujian-Nepal, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (P.H.); (M.Y.); (S.Y.); (J.-L.C.); (S.W.)
- Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (B.G.); (J.L.); (H.H.)
| | - Song Wang
- Joint Laboratory of Animal Pathogen Prevention and Control of Fujian-Nepal, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (P.H.); (M.Y.); (S.Y.); (J.-L.C.); (S.W.)
- Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (B.G.); (J.L.); (H.H.)
| | - Yanmei Ma
- Joint Laboratory of Animal Pathogen Prevention and Control of Fujian-Nepal, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (P.H.); (M.Y.); (S.Y.); (J.-L.C.); (S.W.)
- Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (B.G.); (J.L.); (H.H.)
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25
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Yadav M, Chauhan NS. Role of gut-microbiota in disease severity and clinical outcomes. Brief Funct Genomics 2024; 23:24-37. [PMID: 36281758 DOI: 10.1093/bfgp/elac037] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 09/05/2022] [Accepted: 09/28/2022] [Indexed: 01/21/2024] Open
Abstract
A delicate balance of nutrients, antigens, metabolites and xenobiotics in body fluids, primarily managed by diet and host metabolism, governs human health. Human gut microbiota is a gatekeeper to nutrient bioavailability, pathogens exposure and xenobiotic metabolism. Human gut microbiota starts establishing during birth and evolves into a resilient structure by adolescence. It supplements the host's metabolic machinery and assists in many physiological processes to ensure health. Biotic and abiotic stressors could induce dysbiosis in gut microbiota composition leading to disease manifestations. Despite tremendous scientific advancements, a clear understanding of the involvement of gut microbiota dysbiosis during disease onset and clinical outcomes is still awaited. This would be important for developing an effective and sustainable therapeutic intervention. This review synthesizes the present scientific knowledge to present a comprehensive picture of the role of gut microbiota in the onset and severity of a disease.
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Affiliation(s)
- Monika Yadav
- Department of Biochemistry, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Nar Singh Chauhan
- Department of Biochemistry, Maharshi Dayanand University, Rohtak, Haryana, India
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26
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Clemente-Suárez VJ, Redondo-Flórez L, Rubio-Zarapuz A, Martín-Rodríguez A, Tornero-Aguilera JF. Microbiota Implications in Endocrine-Related Diseases: From Development to Novel Therapeutic Approaches. Biomedicines 2024; 12:221. [PMID: 38255326 PMCID: PMC10813640 DOI: 10.3390/biomedicines12010221] [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: 12/31/2023] [Revised: 01/12/2024] [Accepted: 01/15/2024] [Indexed: 01/24/2024] Open
Abstract
This comprehensive review article delves into the critical role of the human microbiota in the development and management of endocrine-related diseases. We explore the complex interactions between the microbiota and the endocrine system, emphasizing the implications of microbiota dysbiosis for the onset and progression of various endocrine disorders. The review aims to synthesize current knowledge, highlighting recent advancements and the potential of novel therapeutic approaches targeting microbiota-endocrine interactions. Key topics include the impact of microbiota on hormone regulation, its role in endocrine pathologies, and the promising avenues of microbiota modulation through diet, probiotics, prebiotics, and fecal microbiota transplantation. We underscore the importance of this research in advancing personalized medicine, offering insights for more tailored and effective treatments for endocrine-related diseases.
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Affiliation(s)
- Vicente Javier Clemente-Suárez
- Faculty of Sports Sciences, Universidad Europea de Madrid, Tajo Street, s/n, 28670 Madrid, Spain; (V.J.C.-S.); (A.R.-Z.); (J.F.T.-A.)
- Grupo de Investigación en Cultura, Educación y Sociedad, Universidad de la Costa, Barranquilla 080002, Colombia
| | - Laura Redondo-Flórez
- Department of Health Sciences, Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid, C/ Tajo s/n, 28670 Villaviciosa de Odón, Spain;
| | - Alejandro Rubio-Zarapuz
- Faculty of Sports Sciences, Universidad Europea de Madrid, Tajo Street, s/n, 28670 Madrid, Spain; (V.J.C.-S.); (A.R.-Z.); (J.F.T.-A.)
| | - Alexandra Martín-Rodríguez
- Faculty of Sports Sciences, Universidad Europea de Madrid, Tajo Street, s/n, 28670 Madrid, Spain; (V.J.C.-S.); (A.R.-Z.); (J.F.T.-A.)
| | - José Francisco Tornero-Aguilera
- Faculty of Sports Sciences, Universidad Europea de Madrid, Tajo Street, s/n, 28670 Madrid, Spain; (V.J.C.-S.); (A.R.-Z.); (J.F.T.-A.)
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27
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Li N, Cai QM, Hu NY, Jiang SL, Chen FQ, Hu QQ, Yang F, He CZ. Pyrosequencing analysis of bacterial community changes in dental unit waterlines after chlorogenic acid treatment. Front Cell Infect Microbiol 2024; 14:1303099. [PMID: 38299116 PMCID: PMC10828043 DOI: 10.3389/fcimb.2024.1303099] [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: 09/27/2023] [Accepted: 01/02/2024] [Indexed: 02/02/2024] Open
Abstract
Introduction The contamination of dental unit waterlines (DUWLs) poses a significant risk of cross-infection in dentistry. Although chemical disinfectants have been effective in reducing number of bacteria, they do have limitations. Methods This study aimed to investigate the potential of chlorogenic acid, a natural substance with broadspectrum antibacterial properties, for treating DUWLs. Over a period of three months, we analyzed the microbial communities in 149 DUWLs samples collected from 5 dental units using high-throughput pyrophosphate sequencing. Results The results revealed that chlorogenic acid treatment had a significant impact on the microbial community profile in the DUWLs, with the most significant changes occurring within the first 15 days and stabilization observed in the last 30 days. The predominant genera detected in the samples were Bacteroides, Lactobacillus, Streptococcus, Methylobacterium, and Phreatobacter. Additionally, the relative abundance of certain beneficial bacteria, such as Alloprevotella, Roseburia, and Blautia, increased, while the presence of opportunistic pathogens like Mycobacteria significantly decreased. The functional prediction analysis using the KEGG database indicated a decrease in the pathogenicity of the bacterial community in the DUWLs following chlorogenic acid treatment. Discussion This study introduces a novel approach for the prevention and treatment of infections associated with dental care.
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Affiliation(s)
- Na Li
- Department of Stomatology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
- Nursing School, Nanchang University, Nanchang, China
| | - Qin-Ming Cai
- The First Affiliated Hospital of Nanchang University, School of Public Health, Nanchang University, Nanchang, China
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Ni-Ya Hu
- The First Affiliated Hospital of Nanchang University, School of Public Health, Nanchang University, Nanchang, China
| | - Shu-ling Jiang
- Department of Stomatology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
- Nursing School, Nanchang University, Nanchang, China
| | - Fu-Qing Chen
- Department of Stomatology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Qiao-Qiao Hu
- Department of Stomatology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Fen Yang
- Department of Stomatology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Chao-Zhu He
- Nursing School, Nanchang University, Nanchang, China
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28
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Ha S, Zhang X, Yu J. Probiotics intervention in colorectal cancer: From traditional approaches to novel strategies. Chin Med J (Engl) 2024; 137:8-20. [PMID: 38031348 PMCID: PMC10766304 DOI: 10.1097/cm9.0000000000002955] [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: 09/08/2023] [Indexed: 12/01/2023] Open
Abstract
ABSTRACT The intestine harbors a large population of microorganisms that interact with epithelial cells to maintain host healthy physiological status. These intestinal microbiota engage in the fermentation of non-digestible nutrients and produce beneficial metabolites to regulate host homeostasis, metabolism, and immune response. The disruption of microbiota, known as dysbiosis, has been implicated in many intestinal diseases, including colorectal cancer (CRC). As the third most common cancer and the second leading cause of cancer-related death worldwide, CRC poses a significant health burden. There is an urgent need for novel interventions to reduce CRC incidence and improve clinical outcomes. Modulating the intestinal microbiota has emerged as a promising approach for CRC prevention and treatment. Current research efforts in CRC probiotics primarily focus on reducing the incidence of CRC, alleviating treatment-related side effects, and potentiating the efficacy of anticancer therapy, which is the key to successful translation to clinical practice. This paper aims to review the traditional probiotics and new interventions, such as next-generation probiotics and postbiotics, in the context of CRC. The underlying mechanisms of probiotic anti-cancer effects are also discussed, including the restoration of microbial composition, reinforcement of gut barrier integrity, induction of cancer cell apoptosis, inactivation of carcinogens, and modulation of host immune response. This paper further evaluates the novel strategy of probiotics as an adjuvant therapy in boosting the efficacy of chemotherapy and immunotherapy. Despite all the promising findings presented in studies, the evaluation of potential risks, optimization of delivery methods, and consideration of intra-patient variability of gut microbial baseline must be thoroughly interpreted before bench-to-bedside translation.
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Affiliation(s)
- Suki Ha
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Xiang Zhang
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Jun Yu
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
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29
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Patel N, Dinesh S, Sharma S. From Gut to Glucose: A Comprehensive Review on Functional Foods and Dietary Interventions for Diabetes Management. Curr Diabetes Rev 2024; 20:e111023222081. [PMID: 37861021 DOI: 10.2174/0115733998266653231005072450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 07/17/2023] [Accepted: 08/25/2023] [Indexed: 10/21/2023]
Abstract
BACKGROUND In the realm of diabetes research, considerable attention has been directed toward elucidating the intricate interplay between the gastrointestinal tract and glucose regulation. The gastrointestinal tract, once exclusively considered for its role in digestion and nutrient assimilation, is presently acknowledged as a multifaceted ecosystem with regulatory supremacy over metabolic homeostasis and glucose metabolism. Recent studies indicate that alterations in the composition and functionality of the gut microbiota could potentially influence the regulation of glucose levels and glucose homeostasis in the body. Dysbiosis, characterized by perturbations in the equilibrium of gut microbial constituents, has been irrevocably linked to an augmented risk of diabetes mellitus (DM). Moreover, research has revealed the potential influence of the gut microbiota on important factors, like inflammation and insulin sensitivity, which are key contributors to the onset and progression of diabetes. The key protagonists implicated in the regulation of glucose encompass the gut bacteria, gut barrier integrity, and the gut-brain axis. A viable approach to enhance glycemic control while concurrently mitigating the burden of comorbidities associated with diabetes resides in the strategic manipulation of the gut environment through adapted dietary practices. OBJECTIVE This review aimed to provide a deep understanding of the complex relationship between gut health, glucose metabolism, and diabetes treatment. CONCLUSION This study has presented an exhaustive overview of dietary therapies and functional foods that have undergone extensive research to explore their potential advantages in the management of diabetes. It looks into the role of gut health in glucose regulation, discusses the impact of different dietary elements on the course of diabetes, and evaluates how well functional foods can help with glycemic control. Furthermore, it investigates the mechanistic aspects of these therapies, including their influence on insulin sensitivity, β-cell activity, and inflammation. It deliberates on the limitations and potential prospects associated with integrating functional foods into personalized approaches to diabetes care.
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Affiliation(s)
- Nirali Patel
- Department of Bioinformatics, BioNome, Bengaluru 560043, India
| | - Susha Dinesh
- Department of Bioinformatics, BioNome, Bengaluru 560043, India
| | - Sameer Sharma
- Department of Bioinformatics, BioNome, Bengaluru 560043, India
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30
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Pandey H, Jain D, Tang DWT, Wong SH, Lal D. Gut microbiota in pathophysiology, diagnosis, and therapeutics of inflammatory bowel disease. Intest Res 2024; 22:15-43. [PMID: 37935653 PMCID: PMC10850697 DOI: 10.5217/ir.2023.00080] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/23/2023] [Accepted: 08/27/2023] [Indexed: 11/09/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a multifactorial disease, which is thought to be an interplay between genetic, environment, microbiota, and immune-mediated factors. Dysbiosis in the gut microbial composition, caused by antibiotics and diet, is closely related to the initiation and progression of IBD. Differences in gut microbiota composition between IBD patients and healthy individuals have been found, with reduced biodiversity of commensal microbes and colonization of opportunistic microbes in IBD patients. Gut microbiota can, therefore, potentially be used for diagnosing and prognosticating IBD, and predicting its treatment response. Currently, there are no curative therapies for IBD. Microbiota-based interventions, including probiotics, prebiotics, synbiotics, and fecal microbiota transplantation, have been recognized as promising therapeutic strategies. Clinical studies and studies done in animal models have provided sufficient evidence that microbiota-based interventions may improve inflammation, the remission rate, and microscopic aspects of IBD. Further studies are required to better understand the mechanisms of action of such interventions. This will help in enhancing their effectiveness and developing personalized therapies. The present review summarizes the relationship between gut microbiota and IBD immunopathogenesis. It also discusses the use of gut microbiota as a noninvasive biomarker and potential therapeutic option.
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Affiliation(s)
| | | | - Daryl W. T. Tang
- School of Biological Sciences, Nanyang Technological University, Singapore
| | - Sunny H. Wong
- Centre for Microbiome Medicine, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Devi Lal
- Department of Zoology, Ramjas College, University of Delhi, Delhi, India
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31
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Zeng SY, Liu YF, Liu JH, Zeng ZL, Xie H, Liu JH. Potential Effects of Akkermansia Muciniphila in Aging and Aging-Related Diseases: Current Evidence and Perspectives. Aging Dis 2023; 14:2015-2027. [PMID: 37199577 PMCID: PMC10676789 DOI: 10.14336/ad.2023.0325] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 03/25/2023] [Indexed: 05/19/2023] Open
Abstract
Akkermansia muciniphila (A. muciniphila) is an anaerobic bacterium that widely colonizes the mucus layer of the human and animal gut. The role of this symbiotic bacterium in host metabolism, inflammation, and cancer immunotherapy has been extensively investigated over the past 20 years. Recently, a growing number of studies have revealed a link between A. muciniphila, and aging and aging-related diseases (ARDs). Research in this area is gradually shifting from correlation analysis to exploration of causal relationships. Here, we systematically reviewed the association of A. muciniphila with aging and ARDs (including vascular degeneration, neurodegenerative diseases, osteoporosis, chronic kidney disease, and type 2 diabetes). Furthermore, we summarize the potential mechanisms of action of A. muciniphila and offer perspectives for future studies.
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Affiliation(s)
- Shi-Yu Zeng
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China.
| | - Yi-Fu Liu
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi, China.
| | - Jiang-Hua Liu
- Department of Orthopedics, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China.
| | - Zhao-Lin Zeng
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China.
| | - Hui Xie
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China.
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China.
| | - Jiang-Hua Liu
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China.
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Ispas S, Tuta LA, Botnarciuc M, Ispas V, Staicovici S, Ali S, Nelson-Twakor A, Cojocaru C, Herlo A, Petcu A. Metabolic Disorders, the Microbiome as an Endocrine Organ, and Their Relations with Obesity: A Literature Review. J Pers Med 2023; 13:1602. [PMID: 38003917 PMCID: PMC10672252 DOI: 10.3390/jpm13111602] [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: 10/12/2023] [Revised: 10/26/2023] [Accepted: 10/30/2023] [Indexed: 11/26/2023] Open
Abstract
The etiology of metabolic disorders, such as obesity, has been predominantly associated with the gut microbiota, which is acknowledged as an endocrine organ that plays a crucial role in modulating energy homeostasis and host immune responses. The presence of dysbiosis has the potential to impact the functioning of the intestinal barrier and the gut-associated lymphoid tissues by allowing the transit of bacterial structural components, such as lipopolysaccharides. This, in turn, may trigger inflammatory pathways and potentially lead to the onset of insulin resistance. Moreover, intestinal dysbiosis has the potential to modify the production of gastrointestinal peptides that are linked to the feeling of fullness, hence potentially leading to an increase in food consumption. In this literature review, we discuss current developments, such as the impact of the microbiota on lipid metabolism as well as the processes by which its changes led to the development of metabolic disorders. Several methods have been developed that could be used to modify the gut microbiota and undo metabolic abnormalities. METHODS After researching different databases, we examined the PubMed collection of articles and conducted a literature review. RESULTS After applying our exclusion and inclusion criteria, the initial search yielded 1345 articles. We further used various filters to narrow down our titles analysis and, to be specific to our study, selected the final ten studies, the results of which are included in the Results section. CONCLUSIONS Through gut barrier integrity, insulin resistance, and other influencing factors, the gut microbiota impacts the host's metabolism and obesity. Although the area of the gut microbiota and its relationship to obesity is still in its initial stages of research, it offers great promise for developing new therapeutic targets that may help prevent and cure obesity by restoring the gut microbiota to a healthy condition.
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Affiliation(s)
- Sorina Ispas
- Department of Anatomy, Faculty of General Medicine, “Ovidius” University, 900470 Constanta, Romania; (S.I.); (V.I.)
| | - Liliana Ana Tuta
- Department of Clinical Medicine, Faculty of General Medicine, “Ovidius” University, 900470 Constanta, Romania
- Head of Nephrology Section, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
| | - Mihaela Botnarciuc
- Department of Microbiology, Faculty of General Medicine, “Ovidius” University, 900470 Constanta, Romania;
- Head of Blood Transfusions Section, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
| | - Viorel Ispas
- Department of Anatomy, Faculty of General Medicine, “Ovidius” University, 900470 Constanta, Romania; (S.I.); (V.I.)
- Vascular Surgery Department, Cai Ferate Hospital, 35–37 I. C. Bratianu Boulevard, 900270 Constanta, Romania
| | - Sorana Staicovici
- Family Medicine, “Regina Maria” Polyclinic, 900189 Constanta, Romania;
- Department of Histology, Faculty of General Medicine, “Ovidius” University, 900470 Constanta, Romania
| | - Sevigean Ali
- Preclinics Department II, Faculty of General Medicine, “Ovidius” University, 900470 Constanta, Romania;
- County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
| | | | | | - Alexandra Herlo
- Department XIII, Discipline of Infectious Diseases, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania;
| | - Adina Petcu
- Department of Mathematics, Biostatistics and Medical Informatics, Faculty of Pharmacy, “Ovidius” University, 900470 Constanta, Romania;
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Tanaka T. Therapeutic Granulomonocytapheresis as a Non-pharmacologic Treatment Option for Inflammatory Bowel Disease: Efficacy Reports on a Wide Age Range and Disease Profile. Cureus 2023; 15:e48913. [PMID: 38106709 PMCID: PMC10725320 DOI: 10.7759/cureus.48913] [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] [Accepted: 11/16/2023] [Indexed: 12/19/2023] Open
Abstract
The major phenotypes of inflammatory bowel disease (IBD) include ulcerative colitis (UC) and Crohn's disease (CD), which cause debilitating symptoms, including bloody diarrhea, abdominal discomfort, and fever. Patients require life-long immunosuppressive medications, which cause adverse side effects as additional morbidity factors. However, IBD is initiated and perpetuated by inflammatory cytokines, and given that in patients with IBD myeloid lineage leukocytes are elevated with activation behavior and release inflammatory cytokines, selective depletion of elevated granulocytes and monocytes by granulomonocytapheresis is a relevant therapeutic option for IBD patients. Therefore, a column filled with specially designed beads as granulomonocytapheresis carriers for selective adsorption of myeloid lineage leukocytes (Adacolumn) has been applied to treat patients with active IBD. Patients receive up to 10 granulomonocytapheresis sessions at one or two sessions per week. During each session, the carriers adsorb up to 60% of the myeloid leukocytes from the blood that passes through the granulomonocytapheresis column. Efficacy rates in the UC setting have been as high as 85% in steroid-naïve patients, and 100% in drug-naïve, first-episode cases, but patients with a long duration of active IBD and extensive colonic lesions that have become refractory to pharmacological treatment have not responded well. However, granulomonocytapheresis has a favorable safety profile. Given that immunosuppressive medications used to treat IBD potentially may increase the risk of severe viral infection, non-drug granulomonocytapheresis should be a favorable treatment strategy. Further, by targeting granulomonocytapheresis to patients with background features and identifying a patient as a likely responder, futile use of medical resources is avoided.
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Affiliation(s)
- Tomotaka Tanaka
- Department of Gastroenterology, Tsuchiya General Hospital, Hiroshima, JPN
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Wu W, Chen Z, Han J, Qian L, Wang W, Lei J, Wang H. Endocrine, genetic, and microbiome nexus of obesity and potential role of postbiotics: a narrative review. Eat Weight Disord 2023; 28:84. [PMID: 37861729 PMCID: PMC10589153 DOI: 10.1007/s40519-023-01593-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 07/19/2023] [Indexed: 10/21/2023] Open
Abstract
Obesity is a public health crisis, presenting a huge burden on health care and the economic system in both developed and developing countries. According to the WHO's latest report on obesity, 39% of adults of age 18 and above are obese, with an increase of 18% compared to the last few decades. Metabolic energy imbalance due to contemporary lifestyle, changes in gut microbiota, hormonal imbalance, inherent genetics, and epigenetics is a major contributory factor to this crisis. Multiple studies have shown that probiotics and their metabolites (postbiotics) supplementation have an effect on obesity-related effects in vitro, in vivo, and in human clinical investigations. Postbiotics such as the SCFAs suppress obesity by regulating metabolic hormones such as GLP-1, and PPY thus reducing feed intake and suppressing appetite. Furthermore, muramyl di-peptides, bacteriocins, and LPS have been tested against obesity and yielded promising results in both human and mice studies. These insights provide an overview of targetable pharmacological sites and explore new opportunities for the safer use of postbiotics against obesity in the future.
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Affiliation(s)
- Weiming Wu
- Department of Endocrinology, Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, Changshu, 215500, Jiangsu, People's Republic of China
| | - Zhengfang Chen
- Department of Endocrinology, Changshu First People's Hospital, Changshu, 215501, Jiangsu, People's Republic of China.
| | - Jiani Han
- Department of Endocrinology, Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, Changshu, 215500, Jiangsu, People's Republic of China
| | - Lingling Qian
- Department of Endocrinology, Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, Changshu, 215500, Jiangsu, People's Republic of China
| | - Wanqiu Wang
- Department of Endocrinology, Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, Changshu, 215500, Jiangsu, People's Republic of China
| | - Jiacai Lei
- Department of Gastroenterology, Hangzhou Ninth People's Hospital, Hangzhou, 310005, Zhejiang, People's Republic of China
| | - Huaguan Wang
- Department of Gastroenterology, Hangzhou Ninth People's Hospital, Hangzhou, 310005, Zhejiang, People's Republic of China.
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35
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Tizabi Y, Bennani S, El Kouhen N, Getachew B, Aschner M. Interaction of Heavy Metal Lead with Gut Microbiota: Implications for Autism Spectrum Disorder. Biomolecules 2023; 13:1549. [PMID: 37892231 PMCID: PMC10605213 DOI: 10.3390/biom13101549] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
Autism Spectrum Disorder (ASD), a neurodevelopmental disorder characterized by persistent deficits in social interaction and communication, manifests in early childhood and is followed by restricted and stereotyped behaviors, interests, or activities in adolescence and adulthood (DSM-V). Although genetics and environmental factors have been implicated, the exact causes of ASD have yet to be fully characterized. New evidence suggests that dysbiosis or perturbation in gut microbiota (GM) and exposure to lead (Pb) may play important roles in ASD etiology. Pb is a toxic heavy metal that has been linked to a wide range of negative health outcomes, including anemia, encephalopathy, gastroenteric diseases, and, more importantly, cognitive and behavioral problems inherent to ASD. Pb exposure can disrupt GM, which is essential for maintaining overall health. GM, consisting of trillions of microorganisms, has been shown to play a crucial role in the development of various physiological and psychological functions. GM interacts with the brain in a bidirectional manner referred to as the "Gut-Brain Axis (GBA)". In this review, following a general overview of ASD and GM, the interaction of Pb with GM in the context of ASD is emphasized. The potential exploitation of this interaction for therapeutic purposes is also touched upon.
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Affiliation(s)
- Yousef Tizabi
- Department of Pharmacology, Howard University College of Medicine, Washington, DC 20059, USA
| | - Samia Bennani
- Faculty of Medicine and Pharmacy of Casablanca, Hassan II University, Casablanca 20100, Morocco
| | - Nacer El Kouhen
- Faculty of Medicine and Pharmacy of Casablanca, Hassan II University, Casablanca 20100, Morocco
| | - Bruk Getachew
- Department of Pharmacology, Howard University College of Medicine, Washington, DC 20059, USA
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA;
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Ayati MH, Araj-Khodaei M, Haghgouei T, Ahmadalipour A, Mobed A, Sanaie S. Biosensors: The nanomaterial-based method in detection of human gut microbiota. MATERIALS CHEMISTRY AND PHYSICS 2023; 307:127854. [DOI: 10.1016/j.matchemphys.2023.127854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
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Pfau M, Degregori S, Johnson G, Tennenbaum SR, Barber PH, Philson CS, Blumstein DT. The social microbiome: gut microbiome diversity and abundance are negatively associated with sociality in a wild mammal. ROYAL SOCIETY OPEN SCIENCE 2023; 10:231305. [PMID: 37830026 PMCID: PMC10565414 DOI: 10.1098/rsos.231305] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 09/18/2023] [Indexed: 10/14/2023]
Abstract
The gut microbiome has a well-documented relationship with host fitness. Greater microbial diversity and abundance of specific microbes have been associated with improved fitness outcomes. Intestinal microbes also may be associated with patterns of social behaviour. However, these associations have been largely studied in captive animal models; we know less about microbiome composition as a potential driver of individual social behaviour and position in the wild. We used linear mixed models to quantify the relationship between fecal microbial composition, diversity and social network traits in a wild population of yellow-bellied marmots (Marmota flaviventer). We focused our analyses on microbes previously linked to sociability and neurobehavioural alterations in captive rodents, primates and humans. Using 5 years of data, we found microbial diversity (Shannon-Wiener and Faith's phylogenetic diversity) has a modest yet statistically significant negative relationship with the number of social interactions an individual engaged in. We also found a negative relationship between Streptococcus spp. relative abundance and two social network measures (clustering coefficient and embeddedness) that quantify an individual's position relative to others in their social group. These findings highlight a potentially consequential relationship between microbial composition and social behaviour in a wild social mammal.
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Affiliation(s)
- Madison Pfau
- Department of Ecology and Evolutionary Biology, University of California, 621 Young Drive South, Los Angeles, CA 90095-1606, USA
| | - Sam Degregori
- Department of Ecology and Evolutionary Biology, University of California, 621 Young Drive South, Los Angeles, CA 90095-1606, USA
| | - Gina Johnson
- Department of Ecology and Evolutionary Biology, University of California, 621 Young Drive South, Los Angeles, CA 90095-1606, USA
| | - Stavi R. Tennenbaum
- Rocky Mountain Biological Laboratory, PO Box 519, Crested Butte, CO 81224, USA
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA
| | - Paul H. Barber
- Department of Ecology and Evolutionary Biology, University of California, 621 Young Drive South, Los Angeles, CA 90095-1606, USA
| | - Conner S. Philson
- Department of Ecology and Evolutionary Biology, University of California, 621 Young Drive South, Los Angeles, CA 90095-1606, USA
- Rocky Mountain Biological Laboratory, PO Box 519, Crested Butte, CO 81224, USA
| | - Daniel T. Blumstein
- Department of Ecology and Evolutionary Biology, University of California, 621 Young Drive South, Los Angeles, CA 90095-1606, USA
- Rocky Mountain Biological Laboratory, PO Box 519, Crested Butte, CO 81224, USA
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38
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Xu JY, Fan JX, Hu M, Zeng J. Microorganism-regulated autophagy in gastrointestinal cancer. PeerJ 2023; 11:e16130. [PMID: 37786582 PMCID: PMC10541808 DOI: 10.7717/peerj.16130] [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: 04/13/2023] [Accepted: 08/28/2023] [Indexed: 10/04/2023] Open
Abstract
Gastrointestinal cancer has always been one of the most urgent problems to be solved, and it has become a major global health issue. Microorganisms in the gastrointestinal tract regulate normal physiological and pathological processes. Accumulating evidence reveals the role of the imbalance in the microbial community during tumorigenesis. Autophagy is an important intracellular homeostatic process, where defective proteins and organelles are degraded and recycled under stress. Autophagy plays a dual role in tumors as both tumor suppressor and tumor promoter. Many studies have shown that autophagy plays an important role in response to microbial infection. Here, we provide an overview on the regulation of the autophagy signaling pathway by microorganisms in gastrointestinal cancer.
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Affiliation(s)
- Jun-Yu Xu
- Chongqing Normal University, Chongqing, China
| | | | - Min Hu
- Chongqing Normal University, Chongqing, China
| | - Jun Zeng
- Chongqing Normal University, Chongqing, China
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39
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Rigas D, Grivas N, Nelli A, Gouva E, Skoufos I, Kormas K, Tzora A, Lagkouvardos I. Persistent Dysbiosis, Parasite Rise and Growth Impairment in Aquacultured European Seabass after Oxytetracycline Treatment. Microorganisms 2023; 11:2302. [PMID: 37764146 PMCID: PMC10534334 DOI: 10.3390/microorganisms11092302] [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: 08/11/2023] [Revised: 09/09/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
The use of antibiotics in open-water aquaculture is often unavoidable when faced with pathogens with high mortality rates. In addition, seasonal pathogen surges have become more common and more intense over the years. Apart from the apparent cost of antibiotic treatment, it has been observed that, in aquaculture practice, the surviving fish often display measurable growth impairment. To understand the role of gut microbiota on the observed growth impairment, in this study, we follow the incidence of Photobacterium damselae subsp. piscicida in a seabass commercial open-water aquaculture setting in Galaxidi (Greece). Fish around 10 months of age were fed with feed containing oxytetracycline (120 mg/kg/day) for twelve days, followed by a twelve-day withdrawal period, and another eighteen days of treatment. The fish were sampled 19 days before the start of the first treatment and one month after the end of the second treatment cycle. Sequencing of the 16S rRNA gene was used to measure changes in the gut microbiome. Overall, the gut microbiota community, even a month after treatment, was highly dysbiotic and characterized by very low alpha diversity. High abundances of alkalophilic bacteria in the post-antibiotic-treated fish indicated a rise in pH that was coupled with a significant increase in gut parasites. This study's results indicate that oxytetracycline (OTC) treatment causes persistent dysbiosis even one month after withdrawal and provides a more suitable environment for an increase in parasites. These findings highlight the need for interventions to restore a healthy and protective gut microbiome.
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Affiliation(s)
| | - Nikos Grivas
- Galaxidi Marine Farm S.A., 33200 Galaxidi, Greece
| | - Aikaterini Nelli
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, School of Agriculture, University of Ioannina, 47100 Arta, Greece
| | - Evangelia Gouva
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, School of Agriculture, University of Ioannina, 47100 Arta, Greece
| | - Ioannis Skoufos
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, School of Agriculture, University of Ioannina, 47100 Arta, Greece
| | - Konstantinos Kormas
- Department of Ichthyology and Aquatic Environment, University of Thessaly, 38446 Volos, Greece
- Agricultural Development Institute, University Research and Innovation Centre "IASON", Argonafton & Filellinon, 38221 Volos, Greece
| | - Athina Tzora
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, School of Agriculture, University of Ioannina, 47100 Arta, Greece
| | - Ilias Lagkouvardos
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, School of Agriculture, University of Ioannina, 47100 Arta, Greece
- Department of Microbiology and Microbial Pathogenesis, School of Medicine, University of Crete, 71500 Heraklion, Greece
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Sheng H, Wu S, Xue Y, Zhao W, Caplan AB, Hovde CJ, Minnich SA. Engineering conjugative CRISPR-Cas9 systems for the targeted control of enteric pathogens and antibiotic resistance. PLoS One 2023; 18:e0291520. [PMID: 37699034 PMCID: PMC10497133 DOI: 10.1371/journal.pone.0291520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 08/30/2023] [Indexed: 09/14/2023] Open
Abstract
Pathogenic Escherichia coli and Salmonella enterica pose serious public health threats due to their ability to cause severe gastroenteritis and life-threatening sequela, particularly in young children. Moreover, the emergence and dissemination of antibiotic resistance in these bacteria have complicated control of infections. Alternative strategies that effectively target these enteric pathogens and negate or reduce the need of antibiotics are urgently needed. Such an alternative is the CRISPR-Cas9 system because it can generate sequence-specific lethal double stranded DNA breaks. In this study, two self-transmissible broad host range conjugative plasmids, pRK24 and pBP136, were engineered to deliver multiplexed CRSIPR-Cas9 systems that specifically target Enterohemorrhagic and Enteropathogenic strains of E. coli (EHEC and EPEC), S. enterica, and blaCMY-2 antibiotic resistance plasmids. Using in vitro mating assays, we show that the conjugative delivery of pRK24-CRISPR-Cas9 carrying guide RNAs to the EPEC/EHEC eae (intimin) gene can selectively kill enterohemorrhagic E. coli O157 eae+ cells (3 log kill at 6 h) but does not kill the isogenic Δeae mutant (P<0.001). Similar results were also obtained with a pBP136 derivative, pTF16, carrying multiplexed guide RNAs targeting E. coli eae and the S. enterica ssaN gene coding for the type III secretion ATPase. Another pBP136 derivative, TF18, carries guide RNAs targeting S. enterica ssaN and the antibiotic resistance gene, blaCMY-2, carried on the multi-drug resistant pAR06302. Introduction of pTF18 into bacteria harboring pAR06302 showed plasmids were cured at an efficiency of 53% (P<0.05). Using a murine neonate EPEC infection model, pTF16 was delivered by a murine derived E. coli strain to EPEC infected mice and showed significant reductions of intestinal EPEC (P<0.05). These results suggest that establishing conjugative CRISPR-Cas9 antimicrobials in the intestinal microbiome may provide protection from enteric pathogens and reduce antibiotic resistance without disrupting the normal microbiota.
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Affiliation(s)
- Haiqing Sheng
- Animal, Veterinary and Food Science, University of Idaho, Moscow, Idaho, United States of America
- Department of Chemical and Biological Engineering, University of Idaho, Moscow, Idaho, United States of America
| | - Sarah Wu
- Department of Chemical and Biological Engineering, University of Idaho, Moscow, Idaho, United States of America
| | - Yansong Xue
- Animal, Veterinary and Food Science, University of Idaho, Moscow, Idaho, United States of America
| | - Wei Zhao
- Animal, Veterinary and Food Science, University of Idaho, Moscow, Idaho, United States of America
| | - Allan B. Caplan
- Department of Plant Sciences, University of Idaho, Moscow, Idaho, United States of America
| | - Carolyn J. Hovde
- Animal, Veterinary and Food Science, University of Idaho, Moscow, Idaho, United States of America
| | - Scott A. Minnich
- Animal, Veterinary and Food Science, University of Idaho, Moscow, Idaho, United States of America
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Ciccone MM, Lepera ME, Guaricci AI, Forleo C, Cafiero C, Colella M, Palmirotta R, Santacroce L. Might Gut Microbiota Be a Target for a Personalized Therapeutic Approach in Patients Affected by Atherosclerosis Disease? J Pers Med 2023; 13:1360. [PMID: 37763128 PMCID: PMC10532785 DOI: 10.3390/jpm13091360] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/01/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
In recent years, the increasing number of studies on the relationship between the gut microbiota and atherosclerosis have led to significant interest in this subject. The gut microbiota, its metabolites (metabolome), such as TMAO, and gut dysbiosis play an important role in the development of atherosclerosis. Furthermore, inflammation, originating from the intestinal tract, adds yet another mechanism by which the human ecosystem is disrupted, resulting in the manifestation of metabolic diseases and, by extension, cardiovascular diseases. The scientific community must understand and elucidate these mechanisms in depth, to gain a better understanding of the relationship between atherosclerosis and the gut microbiome and to promote the development of new therapeutic targets in the coming years. This review aims to present the knowledge acquired so far, to trigger others to further investigate this intriguing topic.
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Affiliation(s)
- Marco Matteo Ciccone
- Cardiology Unit, Interdisciplinary Department of Medicine, School of Medicine, University of Bari “Aldo Moro”, 70124 Bari, Italy; (M.M.C.); (M.E.L.); (A.I.G.); (C.F.)
| | - Mario Erminio Lepera
- Cardiology Unit, Interdisciplinary Department of Medicine, School of Medicine, University of Bari “Aldo Moro”, 70124 Bari, Italy; (M.M.C.); (M.E.L.); (A.I.G.); (C.F.)
| | - Andrea Igoren Guaricci
- Cardiology Unit, Interdisciplinary Department of Medicine, School of Medicine, University of Bari “Aldo Moro”, 70124 Bari, Italy; (M.M.C.); (M.E.L.); (A.I.G.); (C.F.)
| | - Cinzia Forleo
- Cardiology Unit, Interdisciplinary Department of Medicine, School of Medicine, University of Bari “Aldo Moro”, 70124 Bari, Italy; (M.M.C.); (M.E.L.); (A.I.G.); (C.F.)
| | - Concetta Cafiero
- Area of Molecular Pathology, Anatomic Pathology Unit, Fabrizio Spaziani Hospital, 03100 Frosinone, Italy;
| | - Marica Colella
- Interdisciplinary Department of Medicine, Section of Microbiology and Virology, School of Medicine, University of Bari “Aldo Moro”, 70124 Bari, Italy; (M.C.); (L.S.)
| | - Raffele Palmirotta
- Interdisciplinary Department of Medicine, Section of Microbiology and Virology, School of Medicine, University of Bari “Aldo Moro”, 70124 Bari, Italy; (M.C.); (L.S.)
| | - Luigi Santacroce
- Interdisciplinary Department of Medicine, Section of Microbiology and Virology, School of Medicine, University of Bari “Aldo Moro”, 70124 Bari, Italy; (M.C.); (L.S.)
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Jing J, Guo J, Dai R, Zhu C, Zhang Z. Targeting gut microbiota and immune crosstalk: potential mechanisms of natural products in the treatment of atherosclerosis. Front Pharmacol 2023; 14:1252907. [PMID: 37719851 PMCID: PMC10504665 DOI: 10.3389/fphar.2023.1252907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 08/21/2023] [Indexed: 09/19/2023] Open
Abstract
Atherosclerosis (AS) is a chronic inflammatory reaction that primarily affects large and medium-sized arteries. It is a major cause of cardiovascular disease and peripheral arterial occlusive disease. The pathogenesis of AS involves specific structural and functional alterations in various populations of vascular cells at different stages of the disease. The immune response is involved throughout the entire developmental stage of AS, and targeting immune cells presents a promising avenue for its treatment. Over the past 2 decades, studies have shown that gut microbiota (GM) and its metabolites, such as trimethylamine-N-oxide, have a significant impact on the progression of AS. Interestingly, it has also been reported that there are complex mechanisms of action between GM and their metabolites, immune responses, and natural products that can have an impact on AS. GM and its metabolites regulate the functional expression of immune cells and have potential impacts on AS. Natural products have a wide range of health properties, and researchers are increasingly focusing on their role in AS. Now, there is compelling evidence that natural products provide an alternative approach to improving immune function in the AS microenvironment by modulating the GM. Natural product metabolites such as resveratrol, berberine, curcumin, and quercetin may improve the intestinal microenvironment by modulating the relative abundance of GM, which in turn influences the accumulation of GM metabolites. Natural products can delay the progression of AS by regulating the metabolism of GM, inhibiting the migration of monocytes and macrophages, promoting the polarization of the M2 phenotype of macrophages, down-regulating the level of inflammatory factors, regulating the balance of Treg/Th17, and inhibiting the formation of foam cells. Based on the above, we describe recent advances in the use of natural products that target GM and immune cells crosstalk to treat AS, which may bring some insights to guide the treatment of AS.
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Affiliation(s)
- Jinpeng Jing
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jing Guo
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Rui Dai
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Chaojun Zhu
- Institute of TCM Ulcers, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Surgical Department of Traditional Chinese Medicine, Second Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Zhaohui Zhang
- Institute of TCM Ulcers, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Surgical Department of Traditional Chinese Medicine, Second Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
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Zhang X, Chen X, Wang Z, Meng X, Hoffmann-Sommergruber K, Cavallari N, Wu Y, Gao J, Li X, Chen H. Goblet cell-associated antigen passage: A gatekeeper of the intestinal immune system. Immunology 2023; 170:1-12. [PMID: 37067238 DOI: 10.1111/imm.13648] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 04/02/2023] [Indexed: 04/18/2023] Open
Abstract
Effective delivery of luminal antigens to the underlying immune system is the initial step in generating antigen-specific responses in the gut. However, a large body of information regarding the immune response activation process remains unknown. Recently, goblet cells (GCs) have been reported to form goblet cell-associated antigen passages (GAPs). Luminal antigens can be transported inside GAPs and reach subepithelial immune cells to induce antigen-specific immune responses, contributing largely to gut homeostasis and the prevention of some intestinal diseases like allergic enteritis and bacterial translocation. In this article, we summarized recent observations on the formation of intestinal GAPs and their roles in mucosal immunity. We hope that this review can offer a fresh perspective and valuable insights for clinicians and researchers interested in studying the intestinal immune system.
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Affiliation(s)
- Xing Zhang
- State Key Laboratory Food Science and Technology, Nanchang University, Nanchang, People's Republic of China
- School of Food Science and Technology, Nanchang University, Nanchang, People's Republic of China
- Jiangxi Province Key Laboratory of Food Allergy, Nanchang University, Nanchang, People's Republic of China
| | - Xiao Chen
- State Key Laboratory Food Science and Technology, Nanchang University, Nanchang, People's Republic of China
- School of Food Science and Technology, Nanchang University, Nanchang, People's Republic of China
- Jiangxi Province Key Laboratory of Food Allergy, Nanchang University, Nanchang, People's Republic of China
| | - Zhongliang Wang
- State Key Laboratory Food Science and Technology, Nanchang University, Nanchang, People's Republic of China
- School of Food Science and Technology, Nanchang University, Nanchang, People's Republic of China
- Jiangxi Province Key Laboratory of Food Allergy, Nanchang University, Nanchang, People's Republic of China
| | - Xuanyi Meng
- Jiangxi Province Key Laboratory of Food Allergy, Nanchang University, Nanchang, People's Republic of China
- Sino-German Joint Research Institute, Nanchang University, Nanchang, People's Republic of China
| | | | - Nicola Cavallari
- Department of Pathophysiology and Allergy Research, Medical University of Vienna, Vienna, Austria
| | - Yong Wu
- Jiangxi Province Key Laboratory of Food Allergy, Nanchang University, Nanchang, People's Republic of China
- Sino-German Joint Research Institute, Nanchang University, Nanchang, People's Republic of China
| | - Jinyan Gao
- State Key Laboratory Food Science and Technology, Nanchang University, Nanchang, People's Republic of China
- School of Food Science and Technology, Nanchang University, Nanchang, People's Republic of China
- Jiangxi Province Key Laboratory of Food Allergy, Nanchang University, Nanchang, People's Republic of China
| | - Xin Li
- State Key Laboratory Food Science and Technology, Nanchang University, Nanchang, People's Republic of China
- School of Food Science and Technology, Nanchang University, Nanchang, People's Republic of China
- Jiangxi Province Key Laboratory of Food Allergy, Nanchang University, Nanchang, People's Republic of China
| | - Hongbing Chen
- State Key Laboratory Food Science and Technology, Nanchang University, Nanchang, People's Republic of China
- School of Food Science and Technology, Nanchang University, Nanchang, People's Republic of China
- Jiangxi Province Key Laboratory of Food Allergy, Nanchang University, Nanchang, People's Republic of China
- Sino-German Joint Research Institute, Nanchang University, Nanchang, People's Republic of China
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44
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Ncho CM, Goel A, Gupta V, Jeong CM, Jung JY, Ha SY, Yang JK, Choi YH. Dietary supplementation of solubles from shredded, steam-exploded pine particles modulates cecal microbiome composition in broiler chickens. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2023; 65:971-988. [PMID: 37969336 PMCID: PMC10640930 DOI: 10.5187/jast.2023.e15] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 01/05/2023] [Accepted: 02/01/2023] [Indexed: 11/17/2023]
Abstract
This study evaluated the effects of supplementing solubles from shredded, steam-exploded pine particles (SSPP) on growth performances, plasma biochemicals, and microbial composition in broilers. The birds were reared for 28 days and fed basal diets with or without the inclusion of SSPP from 8 days old. There were a total of three dietary treatments supplemented with 0% (0% SSPP), 0.1% (0.1% SSPP) and 0.4% (0.4% SSPP) SSPP in basal diets. Supplementation of SSPP did not significantly affect growth or plasma biochemicals, but there was a clear indication of diet-induced microbial shifts. Beta-diversity analysis revealed SSPP supplementation-related clustering (ANOSIM: r = 0.31, p < 0.01), with an overall lower (PERMDISP: p < 0.05) individual dispersion in comparison to the control group. In addition, the proportions of the Bacteroides were increased, and the relative abundances of the families Vallitaleaceae, Defluviitaleaceae, Clostridiaceae, and the genera Butyricicoccus and Anaerofilum (p < 0.05) were significantly higher in the 0.4% SSPP group than in the control group. Furthermore, the linear discriminant analysis effect size (LEfSe) also showed that beneficial bacteria such as Ruminococcus albus and Butyricicoccus pullicaecorum were identified as microbial biomarkers of dietary SSPP inclusion (p < 0.05; | LDA effect size | > 2.0). Finally, network analysis showed that strong positive correlations were established among microbial species belonging to the class Clostridia, whereas Erysipelotrichia and Bacteroidia were mostly negatively correlated with Clostridia. Taken together, the results suggested that SSPP supplementation modulates the cecal microbial composition of broilers toward a "healthier" profile.
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Affiliation(s)
- Chris Major Ncho
- Department of Animal Science, Gyeongsang
National University, Jinju 52828, Korea
- Institute of Agriculture and Life
Sciences, Gyeongsang National University, Jinju 52828,
Korea
| | - Akshat Goel
- Department of Animal Science, Gyeongsang
National University, Jinju 52828, Korea
- Institute of Agriculture and Life
Sciences, Gyeongsang National University, Jinju 52828,
Korea
| | - Vaishali Gupta
- Department of Animal Science, Gyeongsang
National University, Jinju 52828, Korea
- Division of Applied Life Sciences (BK21
Plus Program), Gyeongsang National University, Jinju 52828,
Korea
| | - Chae-Mi Jeong
- Department of Animal Science, Gyeongsang
National University, Jinju 52828, Korea
- Division of Applied Life Sciences (BK21
Plus Program), Gyeongsang National University, Jinju 52828,
Korea
| | - Ji-Young Jung
- Institute of Agriculture and Life
Sciences, Gyeongsang National University, Jinju 52828,
Korea
- Department of Environmental Materials
Science, Gyeongsang National University, Jinju 52828,
Korea
| | - Si-Young Ha
- Department of Environmental Materials
Science, Gyeongsang National University, Jinju 52828,
Korea
| | - Jae-Kyung Yang
- Institute of Agriculture and Life
Sciences, Gyeongsang National University, Jinju 52828,
Korea
- Department of Environmental Materials
Science, Gyeongsang National University, Jinju 52828,
Korea
| | - Yang-Ho Choi
- Department of Animal Science, Gyeongsang
National University, Jinju 52828, Korea
- Institute of Agriculture and Life
Sciences, Gyeongsang National University, Jinju 52828,
Korea
- Division of Applied Life Sciences (BK21
Plus Program), Gyeongsang National University, Jinju 52828,
Korea
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Cho YK, Lee J, Paik CN. Prevalence, risk factors, and treatment of small intestinal bacterial overgrowth in children. Clin Exp Pediatr 2023; 66:377-383. [PMID: 37599259 PMCID: PMC10475858 DOI: 10.3345/cep.2022.00969] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 12/15/2022] [Accepted: 12/22/2022] [Indexed: 08/22/2023] Open
Abstract
Small intestinal bacterial overgrowth (SIBO) is defined as the presence of an excessive number of bacteria within the small bowel. Pediatric SIBO is a heterogeneous disorder that manifests as various symptoms ranging from mild gastrointestinal symptoms to malabsorption or malnutrition. The carbohydrate breath test is a commonly used, safe, and noninvasive diagnostic test; however, a standardized methodology is lacking. Multiple factors, such as neuromuscular disorders, systemic diseases, chronic drug use, or altered intestinal anatomy that disturb intestinal motility or induce an abnormality in the body's defense systems against intestinal bacteria, predispose children to SIBO. The high prevalence and similar symptoms of SIBO in functional gastrointestinal disorders, including irritable bowel syndrome, suggest an association between them. The principles of treatment include managing predisposing conditions, nutritional support, symptom control, and antibacterial treatment. Rifaximin is the most commonly used drug. To date, studies of antibiotic treatment in pediatric populations with irritable bowel syndrome or SIBO are lacking and have shown mixed results. Here we review the prevalence, diagnostic tests, and treatment results in pediatric populations.
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Affiliation(s)
- Yu Kyung Cho
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jin Lee
- Department of Pediatrics, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Chang Nyol Paik
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
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Zhao Q, Chen J, Wu M, Yin X, Jiang Q, Gao H, Zheng H. Microbiota from healthy mice alleviates cognitive decline via reshaping the gut-brain metabolic axis in diabetic mice. Chem Biol Interact 2023; 382:110638. [PMID: 37473910 DOI: 10.1016/j.cbi.2023.110638] [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: 06/06/2023] [Revised: 07/12/2023] [Accepted: 07/17/2023] [Indexed: 07/22/2023]
Abstract
Diabetic cognitive decline has been associated with the gut microbial disorders, but its potential gut-brain axis mechanisms remain unclear. Herein we transplanted the gut microbiota from healthy mice into type 1 diabetic (T1D) mice and then investigated the effect of fecal microbiota transplantation (FMT) on cognitive function and the gut-brain metabolic axis. The results demonstrate that FMT from healthy mice effectively improved the learning and memory abilities in T1D mice, and significantly reduced neuroinflammation and neuron injury in the cortex and hippocampus. Moreover, FMT partly reversed the gut microbiota and gut-brain metabolic disorders, particularly glutamate metabolism. In vitro study, we found that glutamate notably decreased microglia activation and the expression levels of proinflammatory factor. Hence, our study suggests that glutamate serves as a key signal metabolite connecting the gut to brain and affects cognitive functions.
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Affiliation(s)
- Qihui Zhao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Junli Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Mengjun Wu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Xiaoli Yin
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Qiaoying Jiang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Hongchang Gao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China.
| | - Hong Zheng
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China.
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47
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Song Z, Xie Q, Zhou Y, Song S, Gao Z, Lan Y, Wu Z, Cai H, Yu D, Liu C, Liang J, Xie B, Sun S. Effect of Artificial Liver Support Systems on Gut Microbiota in Patients with HBV-Related Acute-on-Chronic Liver Failure. Pathogens 2023; 12:1094. [PMID: 37764902 PMCID: PMC10534758 DOI: 10.3390/pathogens12091094] [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: 06/26/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 09/29/2023] Open
Abstract
Hepatitis B virus-related acute-on-chronic liver failure (HBV-ACLF) is a rare and severe form of end-stage liver disease with high mortality; gut microbes are strongly associated with the development of this severe liver disease but the exact association is unclear. Artificial liver support systems (ALSS) are clinically important in prolonging the waiting time for liver transplantation and in aiding drug therapy to achieve remission. The aim of this study was to investigate the effect of ALSS on the abundance and diversity of microorganisms in the gut of HBV-ACLF patients. In this study, 109 stool samples were collected from patients with hepatitis B virus-associated acute chronic liver failure (HBV-ACLF) for 16S rRNA sequencing. Among them, 44 samples were from patients treated with ALSS therapy as an adjunct to standard medical treatment (SMT) and 65 were from patients receiving SMT only. Analysis of the sequencing results suggested that there were significant differences in the abundance and diversity of gut microbiota between the with-ALSS and without-ALSS groups (p < 0.05). The operational taxonomic units and Shannon indexes indicated that the diversity and abundance of the gut microbiome, while decreasing after the first ALSS treatment, gradually increased after an increase in the number of ALSS therapies. The overall proportion of HBV-ACLF patients with coinfection was 27.59%; the coinfection can reduce the abundance of the Bacteroidetes phylum in the microbiome significantly whereas Proteobacteria were highly enriched. After ALSS therapy, HBV-ACLF patients had a decrease in potentially harmful bacteria, an increase in potentially beneficial bacteria, an increase in the diversity of the intestinal microbiota, and the intestinal microecological disorders were corrected to a certain extent. Serum alanine aminotransferase (ALT), aspartate aminotransferase (AST), and total bilirubin (TBIL) levels, as well as the international normalized ratio (INR), showed a decreasing trend whereas plasminogen activity (PTA) increased and the condition of patients with HBV-ACLF progressed in a favorable direction. In addition, the abundance of Blautia and Coprococcus was negatively correlated with TBIL and INR, positively correlated with PTA, and positively correlated with disease recovery. Our study shows that ALSS can alter the composition of the gut microbiota and have an ameliorating effect on the gut microecological imbalance in HBV-ACLF patients. It is worth mentioning that Blautia and Coprococcus may have great potential as biomarkers.
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Affiliation(s)
- Zhiying Song
- Department of Infectious Diseases, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, China; (Z.S.); (Q.X.); (Y.Z.); (Y.L.); (Z.W.); (D.Y.); (C.L.)
| | - Qiong Xie
- Department of Infectious Diseases, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, China; (Z.S.); (Q.X.); (Y.Z.); (Y.L.); (Z.W.); (D.Y.); (C.L.)
| | - Yao Zhou
- Department of Infectious Diseases, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, China; (Z.S.); (Q.X.); (Y.Z.); (Y.L.); (Z.W.); (D.Y.); (C.L.)
| | - Shufen Song
- Department of Infectious Diseases, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, China; (Z.S.); (Q.X.); (Y.Z.); (Y.L.); (Z.W.); (D.Y.); (C.L.)
| | - Zhen Gao
- Department of Infectious Diseases, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, China; (Z.S.); (Q.X.); (Y.Z.); (Y.L.); (Z.W.); (D.Y.); (C.L.)
| | - Yu Lan
- Department of Infectious Diseases, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, China; (Z.S.); (Q.X.); (Y.Z.); (Y.L.); (Z.W.); (D.Y.); (C.L.)
| | - Zhiguo Wu
- Department of Infectious Diseases, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, China; (Z.S.); (Q.X.); (Y.Z.); (Y.L.); (Z.W.); (D.Y.); (C.L.)
| | - Hongxin Cai
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311400, China;
| | - Dongshan Yu
- Department of Infectious Diseases, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, China; (Z.S.); (Q.X.); (Y.Z.); (Y.L.); (Z.W.); (D.Y.); (C.L.)
| | - Cuiyun Liu
- Department of Infectious Diseases, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, China; (Z.S.); (Q.X.); (Y.Z.); (Y.L.); (Z.W.); (D.Y.); (C.L.)
| | - Junrong Liang
- State Key Laboratory for Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Baogang Xie
- Department of Pharmaceutics, Medical College of Jiaxing University, Jiaxing 314033, China
| | - Shuilin Sun
- Department of Infectious Diseases, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, China; (Z.S.); (Q.X.); (Y.Z.); (Y.L.); (Z.W.); (D.Y.); (C.L.)
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Kim SH, Park DH, Lim YJ. Impact of Diet on Colorectal Cancer Progression and Prevention: From Nutrients to Neoplasms. THE KOREAN JOURNAL OF GASTROENTEROLOGY = TAEHAN SOHWAGI HAKHOE CHI 2023; 82:73-83. [PMID: 37621242 DOI: 10.4166/kjg.2023.079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 07/20/2023] [Accepted: 07/21/2023] [Indexed: 08/26/2023]
Abstract
Colorectal cancer (CRC), one of the most common cancers worldwide, continues to increase in incidence and mortality rates. This trend is closely linked to changes in dietary habits, which are major risk factors for colorectal cancer. The increase in the incidence of CRC in countries previously considered low-risk and with low socioeconomic status is most likely due to lifestyle and dietary changes. Understanding the influence of dietary factors on the onset of colorectal cancer is essential for prevention and treatment. This review explores the complex interplay between dietary factors and colorectal cancer, focusing on the key nutrients and dietary habits that influence disease onset and progression. The impact of diet on colorectal microbiota and the influence of diet on early-onset colorectal cancer are also reviewed, reviewing recent research on how dietary interventions affect the treatment and recurrence of colorectal cancer. Finally, the future research directions for developing and applying effective dietary intervention strategies are discussed.
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Affiliation(s)
- Sang Hoon Kim
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Dongguk University College of Medicine, Goyang, Korea
| | - Dong Hwan Park
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Dongguk University College of Medicine, Goyang, Korea
| | - Yun Jeong Lim
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Dongguk University College of Medicine, Goyang, Korea
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49
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Álvarez-Herms J, González A, Corbi F, Odriozola I, Odriozola A. Possible relationship between the gut leaky syndrome and musculoskeletal injuries: the important role of gut microbiota as indirect modulator. AIMS Public Health 2023; 10:710-738. [PMID: 37842270 PMCID: PMC10567981 DOI: 10.3934/publichealth.2023049] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 08/03/2023] [Accepted: 08/07/2023] [Indexed: 10/17/2023] Open
Abstract
This article aims to examine the evidence on the relationship between gut microbiota (GM), leaky gut syndrome and musculoskeletal injuries. Musculoskeletal injuries can significantly impair athletic performance, overall health, and quality of life. Emerging evidence suggests that the state of the gut microbiota and the functional intestinal permeability may contribute to injury recovery. Since 2007, a growing field of research has supported the idea that GM exerts an essential role maintaining intestinal homeostasis and organic and systemic health. Leaky gut syndrome is an acquired condition where the intestinal permeability is impaired, and different bacteria and/or toxins enter in the bloodstream, thereby promoting systemic endotoxemia and chronic low-grade inflammation. This systemic condition could indirectly contribute to increased local musculoskeletal inflammation and chronificate injuries and pain, thereby reducing recovery-time and limiting sport performance. Different strategies, including a healthy diet and the intake of pre/probiotics, may contribute to improving and/or restoring gut health, thereby modulating both systemically as local inflammation and pain. Here, we sought to identify critical factors and potential strategies that could positively improve gut microbiota and intestinal health, and reduce the risk of musculoskeletal injuries and its recovery-time and pain. In conclusion, recent evidences indicate that improving gut health has indirect consequences on the musculoskeletal tissue homeostasis and recovery through the direct modulation of systemic inflammation, the immune response and the nociceptive pain.
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Affiliation(s)
- Jesús Álvarez-Herms
- Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country UPV/EHU, 48080 Leioa, Spain
- Phymo Lab, Physiology, and Molecular laboratory, Spain
| | - Adriana González
- Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country UPV/EHU, 48080 Leioa, Spain
| | - Francisco Corbi
- Institut Nacional d'Educació Física de Catalunya (INEFC), Centre de Lleida, Universitat de Lleida (UdL), Lleida, Spain
| | - Iñaki Odriozola
- Health Department of Basque Government, Donostia-San Sebastián, Spain
| | - Adrian Odriozola
- Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country UPV/EHU, 48080 Leioa, Spain
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50
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Xu Y, Xiong J, Shan S, Wang X, He F, Cheng G. Age-Dependent and Body Composition-Dependent Association of Child Gut Microbial Enterotype With Puberty Timing: A Chinese Cohort. J Clin Endocrinol Metab 2023; 108:2363-2370. [PMID: 36840481 PMCID: PMC10438909 DOI: 10.1210/clinem/dgad090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 01/20/2023] [Accepted: 02/10/2023] [Indexed: 02/26/2023]
Abstract
CONTEXT Puberty timing, which is vital for adult well-being, has recently been suggested to be linked to specific gut taxa. However, the impact of comprehensive gut microbiome structure assessed by enterotype on puberty timing remains unknown. OBJECTIVE Investigate the prospective association of gut microbial enterotype with puberty timing and the potential interaction of age and body composition. METHODS This study included 1826 children from the Chinese Adolescent Cohort Study, a cohort that has collected information on sociodemographics, dietary intake, physical activity, anthropometry, and pubertal development of children aged 6-8 years since 2013 and follows them up annually until the age of 15 years. Fecal samples have been collected annually since 2019 and analyzed for 16S rRNA sequencing and targeted fecal metabolomics. Cox proportional hazard regression models were used to investigate the prospective association of enterotype with puberty timing and the impact of age and body mass index (BMI) sex- and age-independent standard deviation score (SDS). RESULTS 592 (32.4%) and 1234 (67.6%) children belonged to the Prevotella-rich enterotype and the Bacteroides-rich enterotype, respectively. Children with the Bacteroides-rich enterotype experienced their menarche/voice break later than those with the Prevotella enterotype (hazard ratio 0.53, 95% CI 0.28-0.98), P = .02). Moreover, this association was more pronounced among younger children with higher BMI SDS (P for interaction = .006). CONCLUSION Our findings supported a role for gut microbial communities in pubertal development, in which younger children with higher body mass seems more sensitive.
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Affiliation(s)
- Yujie Xu
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu 610041, Sichuan, P.R. China
| | - Jingyuan Xiong
- West China School of Public Health and West China Fourth Hospital and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610041, P.R. China
| | - Shufang Shan
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu 610041, Sichuan, P.R. China
| | - Xiaoyu Wang
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu 610041, Sichuan, P.R. China
| | - Fang He
- West China School of Public Health and West China Fourth Hospital and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610041, P.R. China
| | - Guo Cheng
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu 610041, Sichuan, P.R. China
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