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Corrales D, Alcántara C, Zúñiga M, Monedero V. Ppx1 putative exopolyphosphatase is essential for polyphosphate accumulation in Lacticaseibacillus paracasei. Appl Environ Microbiol 2024; 90:e0229023. [PMID: 38619267 PMCID: PMC11107151 DOI: 10.1128/aem.02290-23] [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: 12/22/2023] [Accepted: 03/27/2024] [Indexed: 04/16/2024] Open
Abstract
The linear polymer polyphosphate (poly-P) is present across all three domains of life and serves diverse physiological functions. The enzyme polyphosphate kinase (Ppk) is responsible for poly-P synthesis, whereas poly-P degradation is carried out by the enzyme exopolyphosphatase (Ppx). In many Lactobacillaceae, the Ppk-encoding gene (ppk) is found clustered together with two genes encoding putative exopolyphosphatases (ppx1 and ppx2) each having different domain compositions, with the gene order ppx1-ppk-ppx2. However, the specific function of these ppx genes remains unexplored. An in-frame deletion of ppx1 in Lacticaseibacillus paracasei BL23 resulted in bacteria unable to accumulate poly-P, whereas the disruption of ppx2 did not affect poly-P synthesis. The expression of ppk was not altered in the Δppx1 strain, and poly-P synthesis in this strain was only restored by expressing ppx1 in trans. Moreover, no poly-P synthesis was observed when ppk was expressed from a plasmid in the Δppx1 strain. Purified Ppx2 exhibited in vitro exopolyphosphatase activity, whereas no in vitro enzymatic activity could be demonstrated for Ppx1. This observation corresponds with the absence in Ppx1 of conserved motifs essential for catalysis found in characterized exopolyphosphatases. Furthermore, assays with purified Ppk and Ppx1 evidenced that Ppx1 enhanced Ppk activity. These results demonstrate that Ppx1 is essential for poly-P synthesis in Lc. paracasei and have unveiled, for the first time, an unexpected role of Ppx1 exopolyphosphatase in poly-P synthesis.IMPORTANCEPoly-P is a pivotal molecular player in bacteria, participating in a diverse array of processes ranging from stress resilience to pathogenesis while also serving as a functional component in probiotic bacteria. The synthesis of poly-P is tightly regulated, but the underlying mechanisms remain incompletely elucidated. Our study sheds light on the distinctive role played by the two exopolyphosphatases (Ppx) found in the Lactobacillaceae bacterial group, of relevance in food and health. This particular group is noteworthy for possessing two Ppx enzymes, supposedly involved in poly-P degradation. Remarkably, our investigation uncovers an unprecedented function of Ppx1 in Lacticaseibacillus paracasei, where its absence leads to the total cessation of poly-P synthesis, paralleling the impact observed upon eliminating the poly-P forming enzyme, poly-P kinase. Unlike the anticipated role as a conventional exopolyphosphatase, Ppx1 demonstrates an unexpected function. Our results added a layer of complexity to our understanding of poly-P dynamics in bacteria.
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Affiliation(s)
- Daniela Corrales
- Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Paterna, Spain
| | - Cristina Alcántara
- Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Paterna, Spain
| | - Manuel Zúñiga
- Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Paterna, Spain
| | - Vicente Monedero
- Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Paterna, Spain
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Skoufou M, Tsigalou C, Vradelis S, Bezirtzoglou E. The Networked Interaction between Probiotics and Intestine in Health and Disease: A Promising Success Story. Microorganisms 2024; 12:194. [PMID: 38258020 PMCID: PMC10818559 DOI: 10.3390/microorganisms12010194] [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: 12/06/2023] [Revised: 01/14/2024] [Accepted: 01/15/2024] [Indexed: 01/24/2024] Open
Abstract
Probiotics are known to promote human health either precautionary in healthy individuals or therapeutically in patients suffering from certain ailments. Although this knowledge was empirical in past tomes, modern science has already verified it and expanded it to new limits. These microorganisms can be found in nature in various foods such as dairy products or in supplements formulated for clinical or preventive use. The current review examines the different mechanisms of action of the probiotic strains and how they interact with the organism of the host. Emphasis is put on the clinical therapeutic use of these beneficial microorganisms in various clinical conditions of the human gastrointestinal tract. Diseases of the gastrointestinal tract and particularly any malfunction and inflammation of the intestines seriously compromise the health of the whole organism. The interaction between the probiotic strains and the host's microbiota can alleviate the clinical signs and symptoms while in some cases, in due course, it can intervene in the underlying pathology. Various safety issues of the use of probiotics are also discussed.
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Affiliation(s)
- Maria Skoufou
- Master Program in “Food, Nutrition and Microbiome”, Department of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece; (C.T.); (S.V.)
- Proctology Department, Paris Saint Joseph Hospital Paris, 75014 Paris, France
| | - Christina Tsigalou
- Master Program in “Food, Nutrition and Microbiome”, Department of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece; (C.T.); (S.V.)
- Laboratory of Hygiene and Environmental Protection, Faculty of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Stergios Vradelis
- Master Program in “Food, Nutrition and Microbiome”, Department of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece; (C.T.); (S.V.)
- Department of Gastrenterology, Faculty of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Eugenia Bezirtzoglou
- Master Program in “Food, Nutrition and Microbiome”, Department of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece; (C.T.); (S.V.)
- Laboratory of Hygiene and Environmental Protection, Faculty of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece
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3
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Zhang Y, Zhou Q, Liu S, Quan X, Fang Z, Lin Y, Xu S, Feng B, Zhuo Y, Wu D, Che L. Partial Substitution of Whey Protein Concentrate with Spray-Dried Porcine Plasma or Soy Protein Isolate in Milk Replacer Differentially Modulates Ileal Morphology, Nutrient Digestion, Immunity and Intestinal Microbiota of Neonatal Piglets. Animals (Basel) 2023; 13:3308. [PMID: 37958063 PMCID: PMC10650022 DOI: 10.3390/ani13213308] [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: 09/11/2023] [Revised: 10/12/2023] [Accepted: 10/18/2023] [Indexed: 11/15/2023] Open
Abstract
Appropriate protein sources are vital for the growth, development and health of neonates. Twenty-four 2-day-old piglets were randomly divided into three groups and fed isoenergetic and isonitrogenous diets. The experimental diets included a milk replacer with 17.70% whey protein concentrate (WPC group), a milk replacer with 6% spray-dried porcine plasma isonitrogenously substituting WPC (SDPP group), and a milk replacer with 5.13% soy protein isolate isonitrogenously substituting WPC (SPI group). Neonatal piglets were fed milk replacer from postnatal day 2 (PND 2) to day 20 (PND 20). The growth performance, intestinal morphology, activities of digestive enzymes, plasma biochemical parameters, immunity-related genes, short-chain fatty acids (SCFA) and intestinal microbiota in the colonic chyme were determined. The results showed that SDPP-fed piglets had higher final BW (p = 0.05), ADG (p = 0.05) and F/G (p = 0.07) compared with WPC- and SPI-fed piglets, and SDPP-fed piglets had a lower diarrhea index (p < 0.01) from PND 2 to PND 8. SDPP-fed piglets had an increased ileal villus height (p = 0.04) and ratio of villus height to crypt depth (VCR) (p = 0.02), and increased activities of sucrase (p < 0.01), lactase (p = 0.02) and trypsin (p = 0.08) in the jejunum, compared with WPC- and SPI-fed piglets. Furthermore, SPI-fed piglets had an increased mRNA expression of IL-6 (p < 0.01) and concentration of plasma urea (p = 0.08). The results from LEfSe analysis showed that SDPP-fed piglets had a higher abundance of beneficial Butyricicoccus compared with WPC- and SPI-fed piglets, in which higher abundances of pathogenic bacteria such as Marinifilaceae, Fusobacterium and Enterococcus were observed. Moreover, SDPP-fed piglets had an increased concentration of butyric acid (p = 0.08) in the colonic chyme compared with WPC- and SPI-fed piglets. These results suggest that neonatal piglets fed milk replacer with SDPP partially substituting WPC had improved growth performance and intestinal morphology and function, associated with higher digestive enzyme activity and fewer pathogenic bacteria.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Lianqiang Che
- Key Laboratory for Animal Disease-Resistant Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China; (Y.Z.); (Q.Z.); (S.L.); (X.Q.); (Z.F.); (Y.L.); (S.X.); (B.F.); (Y.Z.); (D.W.)
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4
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Pirttiniemi A, Adeshara K, Happonen N, Einarsdottir E, Katayama S, Salmenkari H, Hörkkö S, Kere J, Groop PH, Lehto M. Long-chain polyphosphates inhibit type I interferon signaling and augment LPS-induced cytokine secretion in human leukocytes. J Leukoc Biol 2023; 114:250-265. [PMID: 37224571 DOI: 10.1093/jleuko/qiad058] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 04/20/2023] [Accepted: 05/12/2023] [Indexed: 05/26/2023] Open
Abstract
Inorganic polyphosphates are evolutionarily conserved bioactive phosphate polymers found as various chain lengths in all living organisms. In mammals, polyphosphates play a vital role in the regulation of cellular metabolism, coagulation, and inflammation. Long-chain polyphosphates are found along with endotoxins in pathogenic gram-negative bacteria and can participate in bacterial virulence. We aimed to investigate whether exogenously administered polyphosphates modulate human leukocyte function in vitro by treating the cells with 3 different chain lengths of polyphosphates (P14, P100, and P700). The long-chain polyphosphates, P700, had a remarkable capacity to downregulate type I interferon signaling dose dependently in THP1-Dual cells while only a slight elevation could be observed in the NF-κB pathway with the highest dose of P700. P700 treatment decreased lipopolysaccharide-induced IFNβ transcription and secretion, reduced STAT1 phosphorylation, and downregulated subsequent interferon-stimulated gene expression in primary human peripheral blood mononuclear cells. P700 also augmented lipopolysaccharide-induced secretion of IL-1α, IL-1β, IL-4, IL-5, IL-10, and IFNγ. Furthermore, P700 has previously been reported to increase the phosphorylation of several intracellular signaling mediators, such as AKT, mTOR, ERK, p38, GSK3α/β, HSP27, and JNK pathway components, which was supported by our findings. Taken together, these observations demonstrate the extensive modulatory effects P700 has on cytokine signaling and the inhibitory effects specifically targeted to type I interferon signaling in human leukocytes.
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Affiliation(s)
- Anniina Pirttiniemi
- Folkhälsan Institute of Genetics, Folkhälsan Research Center, Biomedicum, Haartmaninkatu 8, 00290 Helsinki, Finland
- Department of Nephrology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 4, 00290 Helsinki, Finland
- Clinical and Molecular Metabolism, Faculty of Medicine Research Programs, University of Helsinki, Biomedicum, Haartmaninkatu 8, 00290 Helsinki, Finland
| | - Krishna Adeshara
- Folkhälsan Institute of Genetics, Folkhälsan Research Center, Biomedicum, Haartmaninkatu 8, 00290 Helsinki, Finland
- Department of Nephrology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 4, 00290 Helsinki, Finland
- Clinical and Molecular Metabolism, Faculty of Medicine Research Programs, University of Helsinki, Biomedicum, Haartmaninkatu 8, 00290 Helsinki, Finland
| | - Natalie Happonen
- Medical Microbiology and Immunology, Research Unit of Biomedicine, University of Oulu, Aapistie 5A, 90220 Oulu, Finland
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Aapistie 5A, 90220 Oulu, Finland
- Nordlab, Oulu University Hospital, Kajaanintie 50, 90220 Oulu, Finland
| | - Elisabet Einarsdottir
- Science for Life Laboratory, Department of Gene Technology, KTH-Royal Institute of Technology, Tomtebodavägen 23A, 17165 Solna, Sweden
| | - Shintaro Katayama
- Folkhälsan Institute of Genetics, Folkhälsan Research Center, Biomedicum, Haartmaninkatu 8, 00290 Helsinki, Finland
- Stem Cells and Metabolism Research Program, University of Helsinki, Biomedicum, Haartmaninkatu 8, 00290 Helsinki, Finland
- Department of Biosciences and Nutrition, Karolinska Institutet, Neo, Blickagången 16, Flemingsberg, SE-14183 Huddinge, Sweden
| | - Hanne Salmenkari
- Folkhälsan Institute of Genetics, Folkhälsan Research Center, Biomedicum, Haartmaninkatu 8, 00290 Helsinki, Finland
- Department of Nephrology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 4, 00290 Helsinki, Finland
- Clinical and Molecular Metabolism, Faculty of Medicine Research Programs, University of Helsinki, Biomedicum, Haartmaninkatu 8, 00290 Helsinki, Finland
| | - Sohvi Hörkkö
- Medical Microbiology and Immunology, Research Unit of Biomedicine, University of Oulu, Aapistie 5A, 90220 Oulu, Finland
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Aapistie 5A, 90220 Oulu, Finland
| | - Juha Kere
- Folkhälsan Institute of Genetics, Folkhälsan Research Center, Biomedicum, Haartmaninkatu 8, 00290 Helsinki, Finland
- Stem Cells and Metabolism Research Program, University of Helsinki, Biomedicum, Haartmaninkatu 8, 00290 Helsinki, Finland
- Department of Biosciences and Nutrition, Karolinska Institutet, Neo, Blickagången 16, Flemingsberg, SE-14183 Huddinge, Sweden
| | - Per-Henrik Groop
- Folkhälsan Institute of Genetics, Folkhälsan Research Center, Biomedicum, Haartmaninkatu 8, 00290 Helsinki, Finland
- Department of Nephrology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 4, 00290 Helsinki, Finland
- Clinical and Molecular Metabolism, Faculty of Medicine Research Programs, University of Helsinki, Biomedicum, Haartmaninkatu 8, 00290 Helsinki, Finland
- Department of Diabetes, Central Clinical School, Monash University, Alfred Centre, 99 Commercial Road, Melbourne 3004, VIC, Australia
| | - Markku Lehto
- Folkhälsan Institute of Genetics, Folkhälsan Research Center, Biomedicum, Haartmaninkatu 8, 00290 Helsinki, Finland
- Department of Nephrology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 4, 00290 Helsinki, Finland
- Clinical and Molecular Metabolism, Faculty of Medicine Research Programs, University of Helsinki, Biomedicum, Haartmaninkatu 8, 00290 Helsinki, Finland
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5
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Xu D, Wu Q, Liu W, Hu G, Meng H, Wang J. Therapeutic efficacy and underlying mechanisms of Gastrodia elata polysaccharides on dextran sulfate sodium-induced inflammatory bowel disease in mice: Modulation of the gut microbiota and improvement of metabolic disorders. Int J Biol Macromol 2023; 248:125919. [PMID: 37481182 DOI: 10.1016/j.ijbiomac.2023.125919] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 07/17/2023] [Accepted: 07/19/2023] [Indexed: 07/24/2023]
Abstract
Inflammatory bowel disease (IBD) is a chronic inflammatory gastrointestinal disease, and an imbalance in the gut microbiota is a critical factor in its development. Gastrodia elata (G. elata), an Orchidaceae plant, is recognized for its nutritional and medicinal value. Studies have shown that G. elata polysaccharides (GBP) have anti-inflammatory properties that may ameliorate IBD. However, the therapeutic effects of GBP on gut microbiota metabolism remain unknown. Therefore, we aimed to examine the therapeutic potential of G. elata extract and GBP in dextran sulfate sodium (DSS)-induced IBD mice. GBP demonstrated the best therapeutic effect by reducing IBD symptoms in mice to the greatest extent. Administering GBP resulted in significant increases in the relative abundances of bacteria with potential anti-inflammatory effects, such as Ligilactobacillus and Alloprevotella, and decreases in the levels of bacteria associated with proinflammatory responses, such as Bacteroides and Escherichia-Shigella. Furthermore, 36 significant differential metabolites between the model and GBP groups were identified in feces, which were mainly enriched in amino acid metabolism, including tryptophan and cysteine, vitamin B6 metabolism and steroid hormone biosynthesis. Consequently, investigating the metabolic regulation of the gut microbiota is a promising approach to evaluate the therapeutic effect of GBP on IBD.
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Affiliation(s)
- Di Xu
- Center for Molecular Metabolism, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Qingyan Wu
- Center for Molecular Metabolism, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Wenya Liu
- Center for Molecular Metabolism, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Guannan Hu
- Center for Molecular Metabolism, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Huihui Meng
- Center for Molecular Metabolism, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Junsong Wang
- Center for Molecular Metabolism, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
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6
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Alcántara C, Perez M, Huedo P, Altadill T, Espadaler-Mazo J, Arqués JL, Zúñiga M, Monedero V. Study of the biosynthesis and functionality of polyphosphate in Bifidobacterium longum KABP042. Sci Rep 2023; 13:11076. [PMID: 37422465 PMCID: PMC10329679 DOI: 10.1038/s41598-023-38082-0] [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: 11/02/2022] [Accepted: 07/03/2023] [Indexed: 07/10/2023] Open
Abstract
Polyphosphate (poly-P) biosynthesis in bacteria has been linked to many physiological processes and has been characterized as an interesting functional molecule involved in intestinal homeostasis. We determined the capacity for poly-P production of 18 probiotic strains mainly belonging to Bifidobacterium and former Lactobacillus genera, showing that poly-P synthesis varied widely between strains and is dependent on the availability of phosphate and the growth phase. Bifidobacteria were especially capable of poly-P synthesis and poly-P kinase (ppk) genes were identified in their genomes together with a repertoire of genes involved in phosphate transport and metabolism. In Bifidobacterium longum KABP042, the strain we found with highest poly-P production, variations in ppk expression were linked to growth conditions and presence of phosphate in the medium. Moreover, the strain produced poly-P in presence of breast milk and lacto-N-tetraose increased the amount of poly-P synthesized. Compared to KABP042 supernatants low in poly-P, exposure of Caco-2 cells to KABP042 supernatants rich in poly-P resulted in decreased epithelial permeability and increased barrier resistance, induction of epithelial protecting factors such as HSP27 and enhanced expression of tight junction protein genes. These results highlight the role of bifidobacteria-derived poly-P as a strain-dependent functional factor acting on epithelial integrity.
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Affiliation(s)
- Cristina Alcántara
- Laboratorio de Bacterias Lácticas y Probióticos, Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), 46980, Paterna, Valencia, Spain
| | - Marta Perez
- R&D Department, AB-Biotics S.A. (Part of Kaneka Corporation), Barcelona, Spain
| | - Pol Huedo
- R&D Department, AB-Biotics S.A. (Part of Kaneka Corporation), Barcelona, Spain
| | - Tatiana Altadill
- R&D Department, AB-Biotics S.A. (Part of Kaneka Corporation), Barcelona, Spain
- Basic Sciences Department, Universitat Internacional de Catalunya, Barcelona, Spain
| | | | - Juan Luis Arqués
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA-CSIC), Madrid, Spain
| | - Manuel Zúñiga
- Laboratorio de Bacterias Lácticas y Probióticos, Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), 46980, Paterna, Valencia, Spain
| | - Vicente Monedero
- Laboratorio de Bacterias Lácticas y Probióticos, Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), 46980, Paterna, Valencia, Spain.
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7
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Zhang RB, Dong LC, Huang Q, Shen Y, Li HY, Yu SG, Wu QF. Matrix metalloproteinases are key targets of acupuncture in the treatment of ulcerative colitis. Exp Biol Med (Maywood) 2023; 248:1229-1241. [PMID: 37438919 PMCID: PMC10621479 DOI: 10.1177/15353702231182205] [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: 09/15/2022] [Accepted: 04/10/2023] [Indexed: 07/14/2023] Open
Abstract
The aim of this study was to elucidate the key targets of acupuncture in the colon of ulcerative colitis (UC) mice model using full-length transcriptome sequencing. 2.5% dextran sodium sulfate (DSS)-induced colitis mice were treated with or without acupuncture. Intestinal pathology was observed, and full transcriptome sequencing and bioinformatic analysis were performed. The results demonstrated that acupuncture treatment reduced the UC symptoms, disease activity index score, and histological colitis score and increased body weight, colon length, and the number of intestinal goblet cells. In addition, acupuncture can also decrease the expression of necrotic biomarker phosphorylates mixed lineage kinase domain-like pseudo kinase (p-MLKL). Full-length transcriptome analysis indicated that acupuncture reversed the expression of 987 of the 1918 upregulated differentially expressed genes (DEGs), and 632 of the 1351 downregulated DEGs induced by DSS. DEGs regulated by acupuncture were mainly involved in inflammatory responses and intestinal barrier pathways. The protein-protein interaction network analysis revealed that matrix metalloproteinases (MMPs) are important genes regulated by acupuncture. Gene set enrichment analysis revealed that extracellular matrix (ECM)-receptor interaction was an important target of acupuncture. In addition, alternative splicing analysis suggested that acupuncture improved signaling pathways related to intestinal permeability, the biological processes of xenobiotics, sulfur compounds, and that monocarboxylic acids are closely associated with MMPs. Overall, our transcriptome analysis results indicate that acupuncture improves intestinal barrier function in UC through negative regulation of MMPs expression.
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Affiliation(s)
| | | | - Qin Huang
- Acupuncture and Tuina College, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Yuan Shen
- Acupuncture and Tuina College, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Hong-Ying Li
- Acupuncture and Tuina College, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Shu-Guang Yu
- Acupuncture and Tuina College, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Qiao-Feng Wu
- Acupuncture and Tuina College, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
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8
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Pal R, Athamneh AI, Deshpande R, Ramirez JAR, Adu KT, Muthuirulan P, Pawar S, Biazzo M, Apidianakis Y, Sundekilde UK, de la Fuente-Nunez C, Martens MG, Tegos GP, Seleem MN. Probiotics: insights and new opportunities for Clostridioides difficile intervention. Crit Rev Microbiol 2023; 49:414-434. [PMID: 35574602 PMCID: PMC9743071 DOI: 10.1080/1040841x.2022.2072705] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 04/17/2022] [Accepted: 04/28/2022] [Indexed: 02/08/2023]
Abstract
Clostridioides difficile infection (CDI) is a life-threatening disease caused by the Gram-positive, opportunistic intestinal pathogen C. difficile. Despite the availability of antimicrobial drugs to treat CDI, such as vancomycin, metronidazole, and fidaxomicin, recurrence of infection remains a significant clinical challenge. The use of live commensal microorganisms, or probiotics, is one of the most investigated non-antibiotic therapeutic options to balance gastrointestinal (GI) microbiota and subsequently tackle dysbiosis. In this review, we will discuss major commensal probiotic strains that have the potential to prevent and/or treat CDI and its recurrence, reassess the efficacy of probiotics supplementation as a CDI intervention, delve into lessons learned from probiotic modulation of the immune system, explore avenues like genome-scale metabolic network reconstructions, genome sequencing, and multi-omics to identify novel strains and understand their functionality, and discuss the current regulatory framework, challenges, and future directions.
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Affiliation(s)
- Rusha Pal
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, VA, 24061, USA
| | - Ahmad I.M. Athamneh
- Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, IN 47907, USA
| | | | - Jose A. R Ramirez
- ProbioWorld Consulting Group, James Cook University, 4811, Queensland, Australia
| | - Kayode T. Adu
- ProbioWorld Consulting Group, James Cook University, 4811, Queensland, Australia
- Cann Group, Walter and Eliza Hall Institute, La Trobe University, Victoria 3083, Australia
| | | | - Shrikant Pawar
- The Anlyan Center Yale Center for Genomic Analysis, Yale School of Medicine, New Haven CT USA
| | - Manuele Biazzo
- The Bioarte Ltd Laboratories at Life Science Park, San Gwann, Malta
| | | | | | - Cesar de la Fuente-Nunez
- Machine Biology Group, Departments of Psychiatry and Microbiology, Institute for Biomedical Informatics, Institute for Translational Medicine and Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
- Departments of Bioengineering and Chemical and Biomolecular Engineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
- Penn Institute for Computational Science, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Mark G. Martens
- Reading Hospital, Tower Health, West Reading, PA 19611, USA
- Drexel University College of Medicine, Philadelphia, PA, 19129, USA
| | - George P. Tegos
- Drexel University College of Medicine, Philadelphia, PA, 19129, USA
| | - Mohamed N. Seleem
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, VA, 24061, USA
- Center for Emerging, Zoonotic and Arthropod-borne Pathogens, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
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9
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Wang M, Zhan Y, Chen C, Chen M, Zhu J, Jiang X, Yang Y, Lv X, Yin P, Zhang W, Yang L. Amplified cyanobacterial bloom is derived by polyphosphate accumulation triggered by ultraviolet light. WATER RESEARCH 2022; 222:118837. [PMID: 35870388 DOI: 10.1016/j.watres.2022.118837] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 06/16/2022] [Accepted: 07/06/2022] [Indexed: 06/15/2023]
Abstract
Cyanobacterial blooms appear more strongly, constantly and globally, yet the positive effect of surface solar ultraviolet radiation (UV) on cyanobacterial bloom in natural freshwater habitats is largely ignored. Here in-situ and laboratory studies were jointly designed to probe the mechanism of cyanobacterial bloom promoted by solar UV light. The results showed that solar UV light is a key trigger factor for the accumulation of total phosphorus, dissolved inorganic phosphorus and polyphosphate (polyP) in blooming cyanobacterial cells. The increase of UV dose induces polyP accumulation to result in the excessive phosphorus uptake of blooming cyanobacteria, which provides sufficient phosphorus for cyanobacterial growth in suitable environment. Solar UV light also can promote the contents of phycocyanin, allophycocyanin, and phycoerythrin, producing sufficient ATP by photosynthesis for polyP synthesis in cyanobacterial cells in lake enviroment. The frequent variations of UV irradiance exposure prompts cyanobacteria to absorb excessive phosphorus from suspended solid or sediment. Cyanobacterial intracellular phosphorus is accumulated for their growth. UV light promotes polyP accumulation in blooming cyanobacterial cells to avoid damage. The adsorption amount of phosphorus increases for exuberant growth and then more surface blooming cyanobacteria are exposed to UV light to absorb ample phosphorus. Thus, the positive feedback occurs in lake water bodies with abundant phosphorus. This amplified cycle of cyanobacterial density and phosphorus due to solar UV light in eutrophic water bodies is analogous to a triode to amplify visible photosynthesis by UV light as a base electric current in the energy flow process in lake environment, therefore, "Cyanobacterial Phosphorus Assimilation Ultraviolet Effect" is used to describe this phenomenon. A new explanation is provided for the continuing proliferating mechanism of cyanobacterial bloom. Besides, a new perspective appears on the outbreak of cyanobacterial blooms in natural eutrophic lake water bodies worldwide.
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Affiliation(s)
- Mengmeng Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Yixuan Zhan
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Cheng Chen
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Menggaoshan Chen
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Jinling Zhu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Xue Jiang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Yicheng Yang
- Agricultural and Biological Engineering Department, University of Florida, Gainesville, FL 32611, United States
| | - Xueyan Lv
- Jiangsu Environmental Monitoring Center, Nanjing 210036, PR China
| | - Peng Yin
- Water Resource Service center of Jiangsu Province, Nanjing 214029, PR China
| | - Wei Zhang
- Engineering Research Center of Environmental DNA and Ecological Water Health Assessment, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306, PR China.
| | - Liuyan Yang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China.
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10
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Shi Z, Guan N, Sun W, Sun T, Niu L, Li J, Ge J. Protective Effect of Levilactobacillus brevis Against Yersinia enterocolitica Infection in Mouse Model via Regulating MAPK and NF-κB Pathway. Probiotics Antimicrob Proteins 2022; 14:830-844. [PMID: 35665480 DOI: 10.1007/s12602-022-09957-x] [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] [Accepted: 05/24/2022] [Indexed: 11/25/2022]
Abstract
Although the use of the probiotic bacterium Lactobacillus for the treatment and prevention of diseases caused by various pathogenic bacteria has received increasing attention in recent years, its mechanism remains incompletely understood. Levilactobacillus brevis 23017 is a select probiotic strain that can regulate the immunity of host animals and resist pathogen infections. In this study, we analyzed the effect of L. brevis 23017 on Yersinia enterocolitica intestinal infection in a BALB/c mouse model and discussed its underlying mechanism. We found that in the mouse model, L. brevis 23017 prevented the damage of villi in the small intestine and decelerated weight loss after Y. enterocolitica infection. Moreover, we focused on the mechanism of the protective effect of L. brevis 23017 from the perspective of the damage and repair of the intestinal mucosal barrier. We observed that L. brevis 23017 maintained a normal mucosal barrier by altering the expression of tight junction proteins. Notably, our results indicated that L. brevis 23017 effectively promoted the secretion of the intestine-specific secretory immunoglobulin A (SIgA) by B cells via regulating cytokines and oxidative damage levels. This mechanism may be the reason for its protective role in Y. enterocolitica infection. In addition, our results demonstrated that the mechanism of L. brevis 23017 was related to antibacterial colonization and inflammation regulation and closely related to antioxidative stress and SIgA promotion. The protective effect of L. brevis 23017 on mice was related to the signaling pathway protein p38 MAPK and the phosphorylation levels of NF-κB. Our study provided novel insight into the mechanism of Lactobacillus against pathogenic bacterial infections. Such insight is of great importance for the prevention, diagnosis, and treatment of related diseases.
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Affiliation(s)
- Ziqi Shi
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Naiyu Guan
- Key Laboratory of Zoonoses Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, 130062, China
| | - Weijiao Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Tianzhi Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Lingdi Niu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Jinyu Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Junwei Ge
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China.
- Northeastern Science Inspection Station, China Ministry of Agriculture Key Laboratory of Animal Pathogen Biology, Harbin, 150030, China.
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11
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Dey P, Ray Chaudhuri S. Cancer-Associated Microbiota: From Mechanisms of Disease Causation to Microbiota-Centric Anti-Cancer Approaches. BIOLOGY 2022; 11:757. [PMID: 35625485 PMCID: PMC9138768 DOI: 10.3390/biology11050757] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/08/2022] [Accepted: 05/12/2022] [Indexed: 02/07/2023]
Abstract
Helicobacter pylori infection is the only well-established bacterial cause of cancer. However, due to the integral role of tissue-resident commensals in maintaining tissue-specific immunometabolic homeostasis, accumulated evidence suggests that an imbalance of tissue-resident microbiota that are otherwise considered as commensals, can also promote various types of cancers. Therefore, the present review discusses compelling evidence linking tissue-resident microbiota (especially gut bacteria) with cancer initiation and progression. Experimental evidence supporting the cancer-causing role of gut commensal through the modulation of host-specific processes (e.g., bile acid metabolism, hormonal effects) or by direct DNA damage and toxicity has been discussed. The opportunistic role of commensal through pathoadaptive mutation and overcoming colonization resistance is discussed, and how chronic inflammation triggered by microbiota could be an intermediate in cancer-causing infections has been discussed. Finally, we discuss microbiota-centric strategies, including fecal microbiota transplantation, proven to be beneficial in preventing and treating cancers. Collectively, this review provides a comprehensive understanding of the role of tissue-resident microbiota, their cancer-promoting potentials, and how beneficial bacteria can be used against cancers.
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Affiliation(s)
- Priyankar Dey
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala 147004, India
| | - Saumya Ray Chaudhuri
- Council of Scientific and Industrial Research (CSIR), Institute of Microbial Technology, Chandigarh 160036, India;
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12
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Amara AAAF. Natural Polymer Types and Applications. BIOMOLECULES FROM NATURAL SOURCES 2022:31-81. [DOI: 10.1002/9781119769620.ch2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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13
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Jan G, Tarnaud F, Rosa do Carmo FL, Illikoud N, Canon F, Jardin J, Briard-Bion V, Guyomarc'h F, Gagnaire V. The stressing life of Lactobacillus delbrueckii subsp. bulgaricus in soy milk. Food Microbiol 2022; 106:104042. [DOI: 10.1016/j.fm.2022.104042] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/04/2022] [Accepted: 04/19/2022] [Indexed: 12/23/2022]
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Huang R, Wu F, Zhou Q, Wei W, Yue J, Xiao B, Luo Z. Lactobacillus and intestinal diseases: mechanisms of action and clinical applications. Microbiol Res 2022; 260:127019. [DOI: 10.1016/j.micres.2022.127019] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 03/27/2022] [Accepted: 03/29/2022] [Indexed: 12/12/2022]
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15
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Liu HY, Gu F, Zhu C, Yuan L, Zhu C, Zhu M, Yao J, Hu P, Zhang Y, Dicksved J, Bao W, Cai D. Epithelial Heat Shock Proteins Mediate the Protective Effects of Limosilactobacillus reuteri in Dextran Sulfate Sodium-Induced Colitis. Front Immunol 2022; 13:865982. [PMID: 35320932 PMCID: PMC8934773 DOI: 10.3389/fimmu.2022.865982] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 02/11/2022] [Indexed: 11/13/2022] Open
Abstract
Defects in gut barrier function are implicated in gastrointestinal (GI) disorders like inflammatory bowel disease (IBD), as well as in systemic inflammation. With the increasing incidence of IBD worldwide, more attention should be paid to dietary interventions and therapeutics with the potential to boost the natural defense mechanisms of gut epithelial cells. The current study aimed to investigate the protective effects of Limosilactobacillus reuteri ATCC PTA 4659 in a colitis mouse model and delineate the mechanisms behind it. Wild-type mice were allocated to the control group; or given 3% dextran sulfate sodium (DSS) in drinking water for 7 days to induce colitis; or administered L. reuteri for 7 days as pretreatment; or for 14 days starting 7 days before subjecting to the DSS. Peroral treatment with L. reuteri improved colitis severity clinically and morphologically and reduced the colonic levels of Tumor necrosis factor-α (TNF-α) (Tnf), Interleukin 1-β (Il1β), and nterferon-γ (Ifng), the crucial pro-inflammatory cytokines in colitis onset. It also prevented the CD11b+Ly6G+ neutrophil recruitment and the skewed immune responses in mesenteric lymph nodes (MLNs) of CD11b+CD11c+ dendritic cell (DC) expansion and Foxp3+CD4+ T-cell reduction. Using 16S rRNA gene amplicon sequencing and RT-qPCR, we demonstrated a colitis-driven bacterial translocation to MLNs and gut microbiota dysbiosis that were in part counterbalanced by L. reuteri treatment. Moreover, the expression of barrier-preserving tight junction (TJ) proteins and cytoprotective heat shock protein (HSP) 70 and HSP25 was reduced by colitis but boosted by L. reuteri treatment. A shift in expression pattern was also observed with HSP70 in response to the pretreatment and with HSP25 in response to L. reuteri-DSS. In addition, the changes of HSPs were found to be correlated to bacterial load and epithelial cell proliferation. In conclusion, our results demonstrate that the human-derived L. reuteri strain 4659 confers protection in experimental colitis in young mice, while intestinal HSPs may mediate the probiotic effects by providing a supportive protein–protein network for the epithelium in health and colitis.
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Affiliation(s)
- Hao-Yu Liu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Fang Gu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Cuipeng Zhu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Long Yuan
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Chuyang Zhu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Miaonan Zhu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Jiacheng Yao
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Ping Hu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Yunzeng Zhang
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China
| | - Johan Dicksved
- Department of Animal Nutrition and Management, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Wenbin Bao
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
- *Correspondence: Demin Cai, ; Wenbin Bao,
| | - Demin Cai
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
- *Correspondence: Demin Cai, ; Wenbin Bao,
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Jastrząb R, Graczyk D, Siedlecki P. Molecular and Cellular Mechanisms Influenced by Postbiotics. Int J Mol Sci 2021; 22:ijms222413475. [PMID: 34948270 PMCID: PMC8707144 DOI: 10.3390/ijms222413475] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/29/2021] [Accepted: 12/07/2021] [Indexed: 12/12/2022] Open
Abstract
In recent years, commensal bacteria colonizing the human body have been recognized as important determinants of health and multiple pathologic conditions. Among the most extensively studied commensal bacteria are the gut microbiota, which perform a plethora of functions, including the synthesis of bioactive products, metabolism of dietary compounds, and immunomodulation, both through attenuation and immunostimulation. An imbalance in the microbiota population, i.e., dysbiosis, has been linked to many human pathologies, including various cancer types and neurodegenerative diseases. Targeting gut microbiota and microbiome-host interactions resulting from probiotics, prebiotics, and postbiotics is a growing opportunity for the effective treatment of various diseases. As more research is being conducted, the microbiome field is shifting from simple descriptive analysis of commensal compositions to more molecular, cellular, and functional studies. Insight into these mechanisms is of paramount importance for understanding and modulating the effects that microbiota, probiotics, and their derivatives exert on host health.
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17
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Liu Y, He W, Yang J, He Y, Wang Z, Li K. The effects of preoperative intestinal dysbacteriosis on postoperative recovery in colorectal cancer surgery: a prospective cohort study. BMC Gastroenterol 2021; 21:446. [PMID: 34823504 PMCID: PMC8620658 DOI: 10.1186/s12876-021-02035-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 11/17/2021] [Indexed: 02/08/2023] Open
Abstract
Background Accumulating evidence suggests a critical role of intestinal dysbacteriosis in surgical site infections and anastomotic leakage after abdominal surgery. However, a direct correlation between pre-existing dysbacteriosis and postoperative infectious complications has not yet been established clinically. Methods A total of 353 consecutive patients who underwent colorectal cancer (CRC) surgery were enrolled. Gram-stained faecal smears were tested at admission and the first defecation after surgery. Intestinal dysbacteriosis was graded into three groups: normal or slightly decreased intestinal microflora (grade 1), moderate dysbacteriosis (grade 2), and severe dysbacteriosis (grade 3). Clinical outcomes were postoperative infections and anastomotic leakage within 30 days after surgery. Results At the preoperative assessment, 268 (75.9%) patients had normal or slightly decreased intestinal microflora, 58 (16.4%) patients had moderate dysbacteriosis, and 27 (7.6%) patients had severe dysbacteriosis. The patients with preoperative dysbacteriosis had a higher rate of early postoperative diarrhoea (grade 2: OR = 4.53, 95% CI 2.28–9.00, grade 3: OR = 4.52, 95% CI 1.81–11.31), total complications (grade 3 40.7% vs. grade 2 25.9% vs. grade 1 12.7%, P < 0.001), and anastomotic leakage (grade 3 11.1% vs. grade 2 5.2% vs. grade 1 1.5%, P = 0.002). An interaction effect among preoperative dysbacteriosis and early postoperative diarrhoea on total complications was observed in rectal cancer patients (P for interaction = 0.007). Conclusions An imbalance of the intestinal microbiome exists in a considerable proportion of CRC patients before surgery. Preoperative dysbacteriosis is associated with higher rates of early postoperative diarrhoea, which further correlates with infectious complications and anastomotic leakage. However, the contribution of preoperative dysbacteriosis to the occurrence of anastomotic leakage needs to be clarified in further studies. Trial registration ChiCTR, ChiCTR1800018755. Registered 8 October 2018—Retrospectively registered, http://www.chictr.org.cn/ChiCTR1800018755. Supplementary Information The online version contains supplementary material available at 10.1186/s12876-021-02035-6.
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Affiliation(s)
- Yuwei Liu
- West China School of Nursing, Sichuan University/Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, People's Republic of China.,Nursing Key Laboratory of Sichuan Province, Chengdu, People's Republic of China
| | - Wanbin He
- West China School of Nursing, Sichuan University/Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Jie Yang
- West China School of Nursing, Sichuan University/Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Yuhua He
- West China School of Nursing, Sichuan University/Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Ziqiang Wang
- West China School of Nursing, Sichuan University/Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Ka Li
- West China School of Nursing, Sichuan University/Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, People's Republic of China. .,Nursing Key Laboratory of Sichuan Province, Chengdu, People's Republic of China.
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18
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Takauji S, Konishi H, Fujiya M, Ueno N, Tanaka H, Sato H, Isozaki S, Kashima S, Moriichi K, Mizukami Y, Okumura T. Polyphosphate, Derived from Lactobacillus brevis, Modulates the Intestinal Microbiome and Attenuates Acute Pancreatitis. Dig Dis Sci 2021; 66:3872-3884. [PMID: 33492535 DOI: 10.1007/s10620-020-06747-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 11/23/2020] [Indexed: 02/05/2023]
Abstract
BACKGROUND We previously showed that Lactobacillus brevis-derived polyphosphate (poly P) exerts a curative effect on intestinal inflammation. However, whether or not poly P improves the inflammation and injury of distant organs remains unclear. AIMS We aimed to investigate the change in the intestinal microbiome and to evaluate the protective effect of poly P on injuries in a cerulein-induced acute pancreatitis (AP) mouse. METHODS Poly P was orally administered to BALB/C mice every day for 24 days, and then mice were intraperitoneally injected with cerulein. Before cerulein injection, stool samples were collected and analyzed by 16S rRNA gene sequencing. Mice were sacrificed at 24 h after the last cerulein injection; subsequently, the serum, pancreas, and colon were collected. RESULTS The microbial profile differed markedly between poly P and control group. Notably, the levels of beneficial bacteria, including Alistipes and Candidatus_Saccharimonas, were significantly increased, while those of the virulent bacteria Desulfovibrio were decreased in the poly P group. The elevations of the serum amylase and lipase levels by cerulein treatment were suppressed by the pre-administration of poly P for 24 days, but not for 7 days. The numbers of cells MPO-positive by immunohistology were decreased and the levels of MCP-1 significantly reduced in the AP + Poly P group. An immunofluorescence analysis showed that the ZO-1 and occludin in the colon was strongly augmented in the epithelial cell membrane layer in the AP + Poly P group. CONCLUSIONS Poly P attenuates AP through both modification of the intestinal microbiome and enhancement of the intestinal barrier integrity.
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Affiliation(s)
- Shuhei Takauji
- Department of Emergency Medicine, Asahikawa Medical University, 2-1, Midorigaoka Higashi, Asahikawa, 078-8510, Japan
- Gastroenterology and Endoscopy, Division of Metabolism and Biosystemic Science, Gastroenterology, and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, 2-1, Midorigaoka Higashi, Asahikawa, 078-8510, Japan
| | - Hiroaki Konishi
- Department of Gastroenterology and Advanced Medical Sciences, Asahikawa Medical University, 2-1, Midorigaoka Higashi, Asahikawa, 078-8510, Japan
| | - Mikihiro Fujiya
- Gastroenterology and Endoscopy, Division of Metabolism and Biosystemic Science, Gastroenterology, and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, 2-1, Midorigaoka Higashi, Asahikawa, 078-8510, Japan.
- Department of Gastroenterology and Advanced Medical Sciences, Asahikawa Medical University, 2-1, Midorigaoka Higashi, Asahikawa, 078-8510, Japan.
| | - Nobuhiro Ueno
- Gastroenterology and Endoscopy, Division of Metabolism and Biosystemic Science, Gastroenterology, and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, 2-1, Midorigaoka Higashi, Asahikawa, 078-8510, Japan
| | - Hiroki Tanaka
- Division of Tumor Pathology, Department of Pathology, Asahikawa Medical University, 2-1, Midorigaoka Higashi, Asahikawa, 078-8510, Japan
| | - Hiroki Sato
- Gastroenterology and Endoscopy, Division of Metabolism and Biosystemic Science, Gastroenterology, and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, 2-1, Midorigaoka Higashi, Asahikawa, 078-8510, Japan
| | - Shotaro Isozaki
- Gastroenterology and Endoscopy, Division of Metabolism and Biosystemic Science, Gastroenterology, and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, 2-1, Midorigaoka Higashi, Asahikawa, 078-8510, Japan
| | - Shin Kashima
- Gastroenterology and Endoscopy, Division of Metabolism and Biosystemic Science, Gastroenterology, and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, 2-1, Midorigaoka Higashi, Asahikawa, 078-8510, Japan
| | - Kentaro Moriichi
- Gastroenterology and Endoscopy, Division of Metabolism and Biosystemic Science, Gastroenterology, and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, 2-1, Midorigaoka Higashi, Asahikawa, 078-8510, Japan
| | - Yusuke Mizukami
- Cancer Genetics, Division of Metabolism and Biosystemic Science, Gastroenterology, and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, 2-1, Midorigaoka Higashi, Asahikawa, 078-8510, Japan
| | - Toshikatsu Okumura
- Division of Metabolism and Biosystemic Science, Gastroenterology, and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, 2-1, Midorigaoka Higashi, Asahikawa, 078-8510, Japan
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Correa Deza MA, Rodríguez de Olmos A, Suárez NE, Font de Valdez G, Salva S, Gerez CL. Inorganic polyphosphate from the immunobiotic Lactobacillus rhamnosus CRL1505 prevents inflammatory response in the respiratory tract. Saudi J Biol Sci 2021; 28:5684-5692. [PMID: 34588880 PMCID: PMC8459082 DOI: 10.1016/j.sjbs.2021.06.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 05/31/2021] [Accepted: 06/02/2021] [Indexed: 11/25/2022] Open
Abstract
Lactobacillus (L.) rhamnosus CRL1505 accumulates inorganic polyphosphate (polyP) in its cytoplasm in response to environmental stress. The aim of this study was to evaluate the potential effects of polyP from the immunobiotic CRL1505 on an acute respiratory inflammation murine animal model induced by lipopolysaccharide (LPS). First, the presence of polyP granules in the cytoplasm of CRL1505 strain was evidenced by specific staining. Then, it was demonstrated in the intracellular extracts (ICE) of CRL1505 that polyP chain length is greater than 45 phosphate residues. In addition, the functionality of the genes involved in the polyP metabolism (ppk, ppx1 and ppx2) was corroborated by RT-PCR. Finally, the possible effect of the ICE of CRL1505 strain containing polyP and a synthetic polyP was evaluated in vivo using a murine model of acute lung inflammation. It was observed that the level of cytokines pro-inflammatory (IL-17, IL-6, IL-2, IL-4, INF-γ) in serum was normalized in mice treated with ICE, which would indicate that polyP prevents the local inflammatory response in the respiratory tract. The potential application of ICE from L. rhamnosus CRL1505 as a novel bioproduct for the treatment of respiratory diseases is one of the projections of this work.
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Affiliation(s)
- María A Correa Deza
- Centro de Referencia para Lactobacilos (CERELA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Miguel de Tucumán, Tucumán, Argentina
| | - Antonieta Rodríguez de Olmos
- Centro de Referencia para Lactobacilos (CERELA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Miguel de Tucumán, Tucumán, Argentina
| | - Nadia E Suárez
- Centro de Referencia para Lactobacilos (CERELA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Miguel de Tucumán, Tucumán, Argentina
| | - Graciela Font de Valdez
- Centro de Referencia para Lactobacilos (CERELA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Miguel de Tucumán, Tucumán, Argentina
| | - Susana Salva
- Centro de Referencia para Lactobacilos (CERELA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Miguel de Tucumán, Tucumán, Argentina
| | - Carla L Gerez
- Centro de Referencia para Lactobacilos (CERELA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Miguel de Tucumán, Tucumán, Argentina
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Zhang L, Ma H, Kulyar MFEA, Pan H, Li K, Li A, Mo Q, Wang Y, Dong H, Bao Y, Li J. Complete genome analysis of Lactobacillus fermentum YLF016 and its probiotic characteristics. Microb Pathog 2021; 162:105212. [PMID: 34597776 DOI: 10.1016/j.micpath.2021.105212] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 09/22/2021] [Accepted: 09/23/2021] [Indexed: 02/07/2023]
Abstract
Lactobacillus fermentum (L. fermentum) YLF016 is a well-characterized probiotic with several favorable characteristics. This study aimed to analyze the probiotic characteristics of L. fermentum and uncover the genes implicated in its potential probiotic ability on the base of its genomics features. The complete genome of L. fermentum YLF016 was found to have a circular chromosome of 2,094,354 bp, and 51.46% G + C content without any plasmid. Its chromosome contained 2,130 predicted protein-encoding genes, 58 tRNA, and 15 rRNA-encoding genes. Also, it was found to have many other probiotic properties, such as a high survival rate in the gastrointestinal tract with strong adherence to intestinal cells, antibacterial activity against pathogens, and antioxidant activity. Moreover, the genome sequence analysis demonstrated specific genes coding for carbon metabolism pathway, genetic adaption, stress resistance, and adhesive ability. Further analysis revealed its non-hemolytic activity and its non-functional ability of virulence factors. In conclusion, L. fermentum YLF016 possesses many valuable probiotic properties that refer to its potential probiotic ability.
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Affiliation(s)
- Lihong Zhang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Hongcai Ma
- Tibet Livestock Research Institute, Tibet Academy of Agriculture And Animal Science, Lhasa 850009, Tibet, People's Republic of China
| | | | - Huachun Pan
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Kewei Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Aoyun Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Quan Mo
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Yaping Wang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Hailong Dong
- Laboratory of Detection and Monitoring of Highland Animal Disease, Tibet Agricultural and Animal Husbandry University, Linzhi, 860000, People's Republic of China
| | - Yuhua Bao
- Tibet Biological Pharmaceutical Factory, Lhasa 850009, People's Republic of China
| | - Jiakui Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China; Laboratory of Detection and Monitoring of Highland Animal Disease, Tibet Agricultural and Animal Husbandry University, Linzhi, 860000, People's Republic of China.
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Msaad Guerfali M, Charaabi K, Hamden H, Djobbi W, Fadhl S, Mosbah A, Cherif A. Probiotic based-diet effect on the immune response and induced stress in irradiated mass reared Ceratitis capitata males (Diptera: Tephritidae) destined for the release in the sterile insect technique programs. PLoS One 2021; 16:e0257097. [PMID: 34506561 PMCID: PMC8432743 DOI: 10.1371/journal.pone.0257097] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 08/23/2021] [Indexed: 11/19/2022] Open
Abstract
Ceratitis capitata (medfly) is one of the most devastating crop pests worldwide. The Sterile Insect Technique (SIT) is a control method that is based on the mass rearing of males, their sterilization, and release in the field. However, the effectiveness of the technique depends on the quality of the released males and their fitness. We previously isolated and selected a probiotic bacteria (Enterobacter sp.), from wild-caught medflies, according to criteria that improved biological quality traits of reared medfly males.We firstly evaluated the impact of the irradiation on the expression of different immune and stress genes in the medfly sterile males. Expression was measured at differents time points ranging from 0 to 168 h after irradiation to capture the response of genes with distinct temporal expression patterns. Then, we supplemented the larval diet with previously isolated Enterobacter sp.strain, live and autoclaved at various concentrations to see whether the probiotic treatments affect, through their protective role, the gene expression level, and quality traits. The irradiation had significant effect on the genes attacin, cecropin, PGPR-LC, hsp23, and hsp70 level expression. The expression of attacin and PGPR-LC was up-regulated while that of cecropin was down-regulated. Hsp genes showed decreased levels between 0 and 18 h to peak at 72 h. However, the supplementation of the probiotic strain, either live or autoclaved, was statistically significant only for attacingene. However, significant interaction time x probiotic was noticed for attacin, cecropin, hsp23 and hsp70. The probiotic treatments also improved the quality control parameters like pupal weight. From this work we can conclude that a consortium of parabiotics (autoclaved probiotics) treatment will be recommended in insectaries considering both the beneficial effects on mass reared insects and its general safety for insectary workers and for environment.
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Affiliation(s)
- Meriem Msaad Guerfali
- Laboratory of Biotechnology and Nuclear Technologies LR16CNSTN01, National Center of Nuclear Sciences and Technologies, Ariana, Tunisia
| | - Kamel Charaabi
- Laboratory of Biotechnology and Nuclear Technologies LR16CNSTN01, National Center of Nuclear Sciences and Technologies, Ariana, Tunisia
| | - Haytham Hamden
- Laboratory of Biotechnology and Nuclear Technologies LR16CNSTN01, National Center of Nuclear Sciences and Technologies, Ariana, Tunisia
| | - Wafa Djobbi
- Laboratory of Biotechnology and Nuclear Technologies LR16CNSTN01, National Center of Nuclear Sciences and Technologies, Ariana, Tunisia
| | - Salma Fadhl
- Laboratory of Biotechnology and Nuclear Technologies LR16CNSTN01, National Center of Nuclear Sciences and Technologies, Ariana, Tunisia
| | - Amor Mosbah
- Laboratory of Biology and Bio-Geo Resources LR11ES31, Higher Institute of Biotechnology of Sidi Thabet, University of Manouba, Ariana, Tunisia
| | - Ameur Cherif
- Laboratory of Biology and Bio-Geo Resources LR11ES31, Higher Institute of Biotechnology of Sidi Thabet, University of Manouba, Ariana, Tunisia
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22
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Bosma EF, Rau MH, van Gijtenbeek LA, Siedler S. Regulation and distinct physiological roles of manganese in bacteria. FEMS Microbiol Rev 2021; 45:6284802. [PMID: 34037759 PMCID: PMC8632737 DOI: 10.1093/femsre/fuab028] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 05/21/2021] [Indexed: 02/06/2023] Open
Abstract
Manganese (Mn2+) is an essential trace element within organisms spanning the entire tree of life. In this review, we provide an overview of Mn2+ transport and the regulation of its homeostasis in bacteria, with a focus on its functions beyond being a cofactor for enzymes. Crucial differences in Mn2+ homeostasis exist between bacterial species that can be characterized to have an iron- or manganese-centric metabolism. Highly iron-centric species require minimal Mn2+ and mostly use it as a mechanism to cope with oxidative stress. As a consequence, tight regulation of Mn2+ uptake is required, while organisms that use both Fe2+ and Mn2+ need other layers of regulation for maintaining homeostasis. We will focus in detail on manganese-centric bacterial species, in particular lactobacilli, that require little to no Fe2+ and use Mn2+ for a wider variety of functions. These organisms can accumulate extraordinarily high amounts of Mn2+ intracellularly, enabling the nonenzymatic use of Mn2+ for decomposition of reactive oxygen species while simultaneously functioning as a mechanism of competitive exclusion. We further discuss how Mn2+ accumulation can provide both beneficial and pathogenic bacteria with advantages in thriving in their niches.
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Affiliation(s)
- Elleke F Bosma
- Chr. Hansen A/S, Discovery, R&D, 2970 Hoersholm, Denmark
| | - Martin H Rau
- Chr. Hansen A/S, Discovery, R&D, 2970 Hoersholm, Denmark
| | | | - Solvej Siedler
- Corresponding author: Boege Allé 10-12, 2970 Hoersholm, Denmark. Tel: +45 52 18 08 25; E-mail:
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Liu Y, Gao Y, Ma F, Sun M, Mu G, Tuo Y. The ameliorative effect of Lactobacillus plantarum Y44 oral administration on inflammation and lipid metabolism in obese mice fed with a high fat diet. Food Funct 2021; 11:5024-5039. [PMID: 32530448 DOI: 10.1039/d0fo00439a] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In our previous studies, Lactobacillus plantarum Y44 showed antioxidant activity and favorable gastric and intestinal transit tolerance. The purpose of this study is to determine whether L. plantarum Y44 could ameliorate intestinal inflammation and lipid metabolism disorder in obese mice fed with a high-fat diet. L. plantarum Y44 was administered by gavage to the mice fed with a high-fat diet for 12 weeks. The mice fed with a high fat diet only showed sustainably elevated body weight, liver lipid metabolism disorder, intestinal inflammation and a lower short chain fatty acid content in feces. Oral administration of L. plantarum Y44 regulated lipid metabolism disorder by inhibiting the expression of fatty acid synthase (FAS) and acetyl-CoA carboxylase (ACC) in the liver of obese mice, reducing the contents of total cholesterol (TC), triacylglycerols (TG), low density lipoprotein cholesterol (LDL-c), alanine aminotransferase (ALT), and aspartate transaminase (AST) and increasing the content of high-density lipoprotein cholesterol (HDL-c) in the serum of obese mice. Oral administration of L. plantarum Y44 up-regulated the expression of colon tight junction protein such as claudin-1 and occludin, down-regulated p38 and phospho-p38 levels and reduced serum interleukin-8 (IL-8) and tumor necrosis factor-α (TNF-α). Oral administration of L. plantarum Y44 increased Muribaculaceae, Rikenellaceae, and Lactobacillaceae levels, reduced the Firmicutes/Bacteroidetes ratio, and Desulfovibrionaceae and Proteobacteria levels in obese mice. Oral administration of L. plantarum Y44 also enhanced the contents of propionic acid, butyric acid, butanoicacid-3-methyl, pentanoic acid and acetic acid in the feces of the obese mice. Correlation analysis of Spearman revealed a significant correlation between changes in intestinal microflora and obesity-related symptoms. L. plantarum Y44 ameliorated intestinal inflammation and lipid metabolism disorders by modulating gut microbiota.
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Affiliation(s)
- Yujun Liu
- School of food science and technology, Dalian Polytechnic University, Dalian 116034, China.
| | - Yuan Gao
- School of food science and technology, Dalian Polytechnic University, Dalian 116034, China. and Dalian probiotics function research key laboratory, Dalian Polytechnic University, Dalian 116034, China
| | - Fenglian Ma
- School of food science and technology, Dalian Polytechnic University, Dalian 116034, China. and Dalian probiotics function research key laboratory, Dalian Polytechnic University, Dalian 116034, China
| | - Mengying Sun
- School of food science and technology, Dalian Polytechnic University, Dalian 116034, China. and Dalian probiotics function research key laboratory, Dalian Polytechnic University, Dalian 116034, China
| | - Guangqing Mu
- School of food science and technology, Dalian Polytechnic University, Dalian 116034, China. and Dalian probiotics function research key laboratory, Dalian Polytechnic University, Dalian 116034, China
| | - Yanfeng Tuo
- School of food science and technology, Dalian Polytechnic University, Dalian 116034, China. and Dalian probiotics function research key laboratory, Dalian Polytechnic University, Dalian 116034, China
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Kulakovskaya TV, Andreeva NA, Ledova LA, Ryazanova LP, Trilisenko LV, Eldarov MA. Enzymes of Polyphosphate Metabolism in Yeast: Properties, Functions, Practical Significance. BIOCHEMISTRY (MOSCOW) 2021; 86:S96-S108. [PMID: 33827402 DOI: 10.1134/s0006297921140078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Inorganic polyphosphates (polyP) are the linear polymers of orthophosphoric acid varying in the number of phosphate residues linked by the energy-rich phosphoanhydride bonds. PolyP is an essential component in living cells. Knowledge of polyP metabolizing enzymes in eukaryotes is necessary for understanding molecular mechanisms of polyP metabolism in humans and development of new approaches for treating bone and cardiovascular diseases associated with impaired mineral phosphorus metabolism. Yeast cells represent a rational experimental model for this research due to availability of the methods for studying phosphorus metabolism and construction of knockout mutants and strains overexpressing target proteins. Multicomponent system of polyP metabolism in Saccharomyces cerevisiae cells is presented in this review discussing properties, functioning, and practical significance of the enzymes involved in the synthesis and degradation of this important metabolite.
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Affiliation(s)
- Tatiana V Kulakovskaya
- Skryabin Institute of Biochemistry and Physiology of Microorganisms, Pushchino Research Center for Biology, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia.
| | - Nadezhda A Andreeva
- Skryabin Institute of Biochemistry and Physiology of Microorganisms, Pushchino Research Center for Biology, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Larisa A Ledova
- Skryabin Institute of Biochemistry and Physiology of Microorganisms, Pushchino Research Center for Biology, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Lubov P Ryazanova
- Skryabin Institute of Biochemistry and Physiology of Microorganisms, Pushchino Research Center for Biology, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Ludmila V Trilisenko
- Skryabin Institute of Biochemistry and Physiology of Microorganisms, Pushchino Research Center for Biology, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Michail A Eldarov
- Institute of Bioengineering, Federal Scientific Center for Biotechnology, Russian Academy of Sciences, Moscow, 117312, Russia
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25
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Gu Z, Li F, Liu Y, Jiang M, Zhang L, He L, Wilkey DW, Merchant M, Zhang X, Deng Z, Chen S, Barve S, McClain CJ, Feng W. Exosome-Like Nanoparticles From Lactobacillus rhamnosusGG Protect Against Alcohol-Associated Liver Disease Through Intestinal Aryl Hydrocarbon Receptor in Mice. Hepatol Commun 2021; 5:846-864. [PMID: 34027273 PMCID: PMC8122379 DOI: 10.1002/hep4.1679] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 11/24/2020] [Accepted: 12/24/2020] [Indexed: 12/14/2022] Open
Abstract
Alcohol-associated liver disease (ALD) is a major cause of mortality. Gut barrier dysfunction-induced bacterial translocation and endotoxin release contribute to the pathogenesis of ALD. Probiotic Lactobacillus rhamnosus GG (LGG) is known to be beneficial on experimental ALD by reinforcing the intestinal barrier function. In this study, we aim to investigate whether the protective effects of LGG on intestinal barrier function is mediated by exosome-like nanoparticles (ELNPs) released by LGG. Intestinal epithelial cells and macrophages were treated with LGG-derived ELNPs (LDNPs) isolated from LGG culture. LDNPs increased tight junction protein expression in epithelial cells and protected from the lipopolysaccharide-induced inflammatory response in macrophages. Three-day oral application of LDNPs protected the intestine from alcohol-induced barrier dysfunction and the liver from steatosis and injury in an animal model of ALD. Co-administration of an aryl hydrocarbon receptor (AhR) inhibitor abolished the protective effects of LDNPs, indicating that the effects are mediated, at least in part, by intestinal AhR signaling. We further demonstrated that LDNP administration increased intestinal interleukin-22-Reg3 and nuclear factor erythroid 2-related factor 2 (Nrf2)-tight junction signaling pathways, leading to the inhibition of bacterial translocation and endotoxin release in ALD mice. This protective effect was associated with LDNP enrichment of bacterial tryptophan metabolites that are AhR agonists. Conclusions: Our results suggest that the beneficial effects of LGG and their supernatant in ALD are likely mediated by bacterial AhR ligand-enriched LDNPs that increase Reg3 and Nrf2 expression, leading to the improved barrier function. These findings provide a strategy for the treatment of ALD and other gut barrier dysfunction-associated diseases.
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Affiliation(s)
- Zelin Gu
- Department of MedicineUniversity of LouisvilleLouisvilleKYUSA
- Alcohol Research CenterUniversity of LouisvilleLouisvilleKYUSA
| | - Fengyuan Li
- Department of MedicineUniversity of LouisvilleLouisvilleKYUSA
- Alcohol Research CenterUniversity of LouisvilleLouisvilleKYUSA
- Department of Pharmacology and ToxicologyUniversity of LouisvilleLouisvilleKYUSA
| | - Yunhuan Liu
- Department of MedicineUniversity of LouisvilleLouisvilleKYUSA
- Alcohol Research CenterUniversity of LouisvilleLouisvilleKYUSA
| | - Mengwei Jiang
- Department of MedicineUniversity of LouisvilleLouisvilleKYUSA
- Alcohol Research CenterUniversity of LouisvilleLouisvilleKYUSA
- Department of Pharmacology and ToxicologyUniversity of LouisvilleLouisvilleKYUSA
| | - Lihua Zhang
- Department of MedicineUniversity of LouisvilleLouisvilleKYUSA
- Alcohol Research CenterUniversity of LouisvilleLouisvilleKYUSA
| | - Liqing He
- Alcohol Research CenterUniversity of LouisvilleLouisvilleKYUSA
- Department of ChemistryUniversity of LouisvilleKYUSA
- Hepatobiology & Toxicology CenterUniversity of LouisvilleLouisvilleKYUSA
| | | | - Michael Merchant
- Department of MedicineUniversity of LouisvilleLouisvilleKYUSA
- Alcohol Research CenterUniversity of LouisvilleLouisvilleKYUSA
- Department of Pharmacology and ToxicologyUniversity of LouisvilleLouisvilleKYUSA
- Hepatobiology & Toxicology CenterUniversity of LouisvilleLouisvilleKYUSA
| | - Xiang Zhang
- Alcohol Research CenterUniversity of LouisvilleLouisvilleKYUSA
- Department of ChemistryUniversity of LouisvilleKYUSA
- Hepatobiology & Toxicology CenterUniversity of LouisvilleLouisvilleKYUSA
| | - Zhong‐Bin Deng
- Hepatobiology & Toxicology CenterUniversity of LouisvilleLouisvilleKYUSA
- Department of SurgeryUniversity of LouisvilleLouisvilleKYUSA
| | - Shao‐Yu Chen
- Alcohol Research CenterUniversity of LouisvilleLouisvilleKYUSA
- Department of Pharmacology and ToxicologyUniversity of LouisvilleLouisvilleKYUSA
| | - Shirish Barve
- Department of MedicineUniversity of LouisvilleLouisvilleKYUSA
- Alcohol Research CenterUniversity of LouisvilleLouisvilleKYUSA
- Department of Pharmacology and ToxicologyUniversity of LouisvilleLouisvilleKYUSA
- Hepatobiology & Toxicology CenterUniversity of LouisvilleLouisvilleKYUSA
| | - Craig J. McClain
- Department of MedicineUniversity of LouisvilleLouisvilleKYUSA
- Alcohol Research CenterUniversity of LouisvilleLouisvilleKYUSA
- Department of Pharmacology and ToxicologyUniversity of LouisvilleLouisvilleKYUSA
- Hepatobiology & Toxicology CenterUniversity of LouisvilleLouisvilleKYUSA
- Robley Rex VA Medical CenterLouisvilleKYUSA
| | - Wenke Feng
- Department of MedicineUniversity of LouisvilleLouisvilleKYUSA
- Alcohol Research CenterUniversity of LouisvilleLouisvilleKYUSA
- Department of Pharmacology and ToxicologyUniversity of LouisvilleLouisvilleKYUSA
- Hepatobiology & Toxicology CenterUniversity of LouisvilleLouisvilleKYUSA
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26
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Dadfarma N, Nowroozi J, Kazemi B, Bandehpour M. Identification of the effects of acid-resistant Lactobacillus casei metallopeptidase gene under colon-specific promoter on the colorectal and breast cancer cell lines. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2021; 24:506-513. [PMID: 34094033 PMCID: PMC8143706 DOI: 10.22038/ijbms.2021.53015.11950] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 03/02/2021] [Indexed: 12/29/2022]
Abstract
OBJECTIVES Anti-tumor effects of Lactobacilli as normal flora have been described. In a previous study, we identified a protein isolated from the bacterium Lactobacillus casei ATCC 39392 in acidic pH conditions named metallopeptidase. Therefore, we decided to evaluate the effect of the recombinant plasmid coding metallopeptidase protein on the inhibition, proliferation, or apoptosis of the colorectal and breast cancer cell lines. MATERIALS AND METHODS Identified metallopeptidase gene of L. casei under the specific colon cancer promoter was transferred to the Human SW480 and MDA-MB231 cells. Cell viability was evaluated in these two cancer cell lines via MTT assay, apoptotic changes, and expression level of p53 and MAP2K1 genes in comparison with healthy blood cells as a control group. RESULTS Viability of SW480 and MDA-MB231 cells was identified at 25% and 7%, respectively. An increase in apoptotic cell death in the SW480 cell line was observed as revealed by Tunnel staining. The expression assay of TP53 and MAP2K1 genes showed that MPL protein altered gene expression in a cell type-specific manner. Tunnel analyses showed that the pronounced cytotoxic effect of pEGFP-C2/MPL plasmid on SW480 cells was mediated through apoptosis. CONCLUSION These results suggest that endogenous recombinant MPL under colon specific promoter inhibits the proliferation of SW480 colorectal cancer cells by increase in MAP2K1 and P53 activation. L. casei metallopeptidase under the same circumstances could not affect the growth rate and viability of MDA-MB231 breast cancer cells in vitro.
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Affiliation(s)
- Narges Dadfarma
- Department of Microbiology, Faculty of Biological Sciences, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Jamileh Nowroozi
- Department of Microbiology, Faculty of Biological Sciences, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Bahram Kazemi
- Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mojgan Bandehpour
- Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Probiotic-Derived Polyphosphate Accelerates Intestinal Epithelia Wound Healing through Inducing Platelet-Derived Mediators. Mediators Inflamm 2021; 2021:5582943. [PMID: 33859537 PMCID: PMC8025129 DOI: 10.1155/2021/5582943] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/25/2021] [Accepted: 03/06/2021] [Indexed: 01/01/2023] Open
Abstract
Inflammatory bowel disease (IBD), such as ulcerative colitis (UC) and Crohn's disease (CD), is an intractable intestinal inflammation associated with the disruption of the intestinal mucosa. We previously demonstrated that Lactobacillus brevis-derived long-chain polyphosphate (poly P) improved the intestinal barrier function by the upregulation of cell adhesion and relieved intestinal inflammation, thereby exerting a curing effect on colitis in vitro, in vivo, and in an investigator-initiated clinical study of UC. However, how poly P improves mucosal defects induced by intestinal inflammation has not been elucidated. In this study, we detected the accumulation of platelets in inflamed tissues induced by poly P in a dextran sulfate sodium- (DSS-) induced colitis mouse model. A light transmission aggregometry analysis and scanning electron microscopy showed that poly P promoted the platelet aggregation. An SRB assay and ki-67 staining showed that the supernatant of poly P-treated platelet-rich plasma (PRP) increased intestinal epithelial cell growth. A wound healing assay showed that the supernatant of poly P-treated PRP, but not poly P itself, accelerated wound healing. A Western blotting analysis indicated that mitogen-activated protein kinase activation was induced by the supernatant of poly P-treated human PRP in the epithelial cells and its wound healing effect was significantly decreased by the inhibition of ERK signaling. These data suggested that platelet-derived mediators induced by poly P improved intestinal inflammation through the promotion of epithelial cell growth by the activation of the ERK signaling pathway. The mechanism is a novel host-microbe interaction through mammalian platelet-derived mediators induced by bacterial molecules.
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Salvadori M, Tsalouchos A. Microbiota, renal disease and renal transplantation. World J Transplant 2021; 11:16-36. [PMID: 33816144 PMCID: PMC8009061 DOI: 10.5500/wjt.v11.i3.16] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 01/06/2021] [Accepted: 02/12/2021] [Indexed: 02/06/2023] Open
Abstract
Aim of this frontier review has been to highlight the role of microbiota in healthy subjects and in patients affected by renal diseases with particular reference to renal transplantation. The microbiota has a relevant role in conditioning the healthy status and the diseases. In particular gut microbiota is essential in the metabolism of food and has a relevant role for its relationship with the immune system. The indigenous microbiota in patients with chronic renal failure is completely different than that of the healthy subjects and pathobionts appear. This abnormality in microbiota composition is called dysbiosis and may cause a rapid deterioration of the renal function both for activating the immune system and producing large quantity of uremic toxins. Similarly, after renal trans-plantation the microbiota changes with the appearance of pathobionts, principally in the first period because of the assumption of immunosuppressive drugs and antibiotics. These changes may deeply interfere with the graft outcome causing acute rejection, renal infections, diarrhea, and renal interstitial fibrosis. In addition, change in the microbiota may modify the metabolism of immuno-suppressive drugs causing in some patients the need of modifying the immunosuppressant dosing. The restoration of the indigenous microbiota after transplantation is important, either to avoiding the complications that impair the normal renal graft, and because recent studies have documented the role of an indigenous microbiota in inducing tolerance towards the graft. The use of prebiotics, probiotics, smart bacteria and diet modification may restore the indigenous microbiota, but these studies are just at their beginning and more data are needed to draw definitive conclusions.
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Affiliation(s)
- Maurizio Salvadori
- Department of Transplantation Renal Unit, Careggi University Hospital, Florence 50139, Italy
| | - Aris Tsalouchos
- Nephrology and Dialysis Unit, Saints Cosmas and Damian Hospital, Pescia 51017, Italy
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29
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Abbasi A, Rad AH, Ghasempour Z, Sabahi S, Kafil HS, Hasannezhad P, Rahbar Saadat Y, Shahbazi N. The biological activities of postbiotics in gastrointestinal disorders. Crit Rev Food Sci Nutr 2021; 62:5983-6004. [PMID: 33715539 DOI: 10.1080/10408398.2021.1895061] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
According to outcomes from clinical studies, an intricate relationship occurs between the beneficial microbiota, gut homeostasis, and the host's health status. Numerous studies have confirmed the health-promoting effects of probiotics, particularly in gastrointestinal diseases. On the other hand, the safety issues regarding the consumption of some probiotics are still a matter of debate, thus to overcome the problems related to the application of live probiotic cells in terms of clinical, technological, and economic aspects, microbial-derived biomolecules (postbiotics) were introducing as a potential alternative agent. Presently scientific literature confirms that the postbiotic components can be used as promising tools for both prevention and treatment strategies in gastrointestinal disorders with less undesirable side-effects, particularly in infants and children. Future head-to-head trials are required to distinguish appropriate strains of parent cells, optimal dosages of postbiotics, and assessment of the cost-effectiveness of postbiotics compared to alternative drugs. This review provides an overview of the concept and safety issues regarding postbiotics, with emphasis on their biological role in the treatment of some important gastrointestinal disorders.
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Affiliation(s)
- Amin Abbasi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Food Science and Technology, Faculty of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Aziz Homayouni Rad
- Department of Food Science and Technology, Faculty of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zahra Ghasempour
- Department of Food Science and Technology, Faculty of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sahar Sabahi
- Department of Nutritional Sciences, School of Paramedical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Hossein Samadi Kafil
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Paniz Hasannezhad
- Department of Medical Engineering Science, University College of Rouzbahan, Sari, Iran
| | - Yalda Rahbar Saadat
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nayyer Shahbazi
- Faculty of Agriculture Engineering, Department of Food Science, Shahrood University of Technology, Shahrood, Iran
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30
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Rani A, Saini KC, Bast F, Mehariya S, Bhatia SK, Lavecchia R, Zuorro A. Microorganisms: A Potential Source of Bioactive Molecules for Antioxidant Applications. Molecules 2021; 26:molecules26041142. [PMID: 33672774 PMCID: PMC7924645 DOI: 10.3390/molecules26041142] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/08/2021] [Accepted: 02/16/2021] [Indexed: 12/17/2022] Open
Abstract
Oxidative stress originates from an elevated intracellular level of free oxygen radicals that cause lipid peroxidation, protein denaturation, DNA hydroxylation, and apoptosis, ultimately impairing cell viability. Antioxidants scavenge free radicals and reduce oxidative stress, which further helps to prevent cellular damage. Medicinal plants, fruits, and spices are the primary sources of antioxidants from time immemorial. In contrast to plants, microorganisms can be used as a source of antioxidants with the advantage of fast growth under controlled conditions. Further, microbe-based antioxidants are nontoxic, noncarcinogenic, and biodegradable as compared to synthetic antioxidants. The present review aims to summarize the current state of the research on the antioxidant activity of microorganisms including actinomycetes, bacteria, fungi, protozoa, microalgae, and yeast, which produce a variety of antioxidant compounds, i.e., carotenoids, polyphenols, vitamins, and sterol, etc. Special emphasis is given to the mechanisms and signaling pathways followed by antioxidants to scavenge Reactive Oxygen Species (ROS), especially for those antioxidant compounds that have been scarcely investigated so far.
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Affiliation(s)
- Alka Rani
- Department of Botany, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, Punjab 151401, India; (A.R.); (K.C.S.); (F.B.)
| | - Khem Chand Saini
- Department of Botany, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, Punjab 151401, India; (A.R.); (K.C.S.); (F.B.)
| | - Felix Bast
- Department of Botany, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, Punjab 151401, India; (A.R.); (K.C.S.); (F.B.)
| | - Sanjeet Mehariya
- Department of Chemical Engineering, Materials and Environment, Sapienza University of Rome, 00184 Rome, Italy;
- Correspondence: (S.M.); (A.Z.); Tel.: +39-347-494-0910 (S.M.); +39-06-4458-5598 (A.Z.)
| | - Shashi Kant Bhatia
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Korea;
| | - Roberto Lavecchia
- Department of Chemical Engineering, Materials and Environment, Sapienza University of Rome, 00184 Rome, Italy;
| | - Antonio Zuorro
- Department of Chemical Engineering, Materials and Environment, Sapienza University of Rome, 00184 Rome, Italy;
- Correspondence: (S.M.); (A.Z.); Tel.: +39-347-494-0910 (S.M.); +39-06-4458-5598 (A.Z.)
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Gao F, Miao Y, Guo W, Zeng M. Microalgal nanosized polyphosphate bodies as novel iron supplements for iron-deficiency anemia treatment in rats. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2020.100834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Song G, Luo BH. Atypical structure and function of integrin α V β 8. J Cell Physiol 2020; 236:4874-4887. [PMID: 33368230 DOI: 10.1002/jcp.30242] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/10/2020] [Accepted: 12/12/2020] [Indexed: 12/12/2022]
Abstract
Integrins are heterodimeric transmembrane proteins that play important roles in various biological processes. Most integrins serve as adhesion molecules and transmit bidirectional signaling across the cell membrane through global conformational changes from the bent closed to the extended open conformation. However, integrin β8 is distinctive in structure and function. Its cytoplasmic domain lacks the conserved protein-binding sequence, which is important in transmitting inside-out signals, suggesting that integrin β8 may have a different activation mechanism or lack such signaling. In addition, the ligand-binding or activating metal ion Mn2+ does not induce a global conformational change in integrin β8 . It may have only one conformation, that is, an extended, closed conformation, but with high affinity for ligands under physiological conditions, and is, therefore, considered an atypical integrin member. The extended structure and high ligand-binding affinity of integrin αv β8 make it ideal for encountering and binding ligands expressed on an opposing cell or in the extracellular matrix. In this review, we summarize the progress in integrin β8 research with a focus on its distinctive function and structure among integrin members.
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Affiliation(s)
- Guannan Song
- Department of Life Science, University of Louisiana State University, Baton Rouge, Louisiana, USA
| | - Bing-Hao Luo
- Department of Life Science, University of Louisiana State University, Baton Rouge, Louisiana, USA
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Stavropoulou E, Bezirtzoglou E. Probiotics as a Weapon in the Fight Against COVID-19. Front Nutr 2020; 7:614986. [PMID: 33385008 PMCID: PMC7769760 DOI: 10.3389/fnut.2020.614986] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 11/24/2020] [Indexed: 12/19/2022] Open
Affiliation(s)
- Elisavet Stavropoulou
- Department of Medicine, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland.,Service of Infectious Diseases, Central Institute of Valais Hospitals, Sion, Switzerland.,Department of Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Eugenia Bezirtzoglou
- Laboratory of Hygiene and Environmental Protection, Medical School, Democritus University of Thrace, Alexandroupolis, Greece
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Mayorgas A, Dotti I, Salas A. Microbial Metabolites, Postbiotics, and Intestinal Epithelial Function. Mol Nutr Food Res 2020; 65:e2000188. [DOI: 10.1002/mnfr.202000188] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 08/31/2020] [Indexed: 02/06/2023]
Affiliation(s)
- Aida Mayorgas
- Department of Gastroenterology, Hospital Clínic ‐ IDIBAPS C/Rosselló, 149‐153, 3rd Floor Barcelona 08036 Spain
| | - Isabella Dotti
- Department of Gastroenterology, Hospital Clínic ‐ IDIBAPS C/Rosselló, 149‐153, 3rd Floor Barcelona 08036 Spain
| | - Azucena Salas
- Department of Gastroenterology, Hospital Clínic ‐ IDIBAPS C/Rosselló, 149‐153, 3rd Floor Barcelona 08036 Spain
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Stavropoulou E, Bezirtzoglou E. Probiotics in Medicine: A Long Debate. Front Immunol 2020; 11:2192. [PMID: 33072084 PMCID: PMC7544950 DOI: 10.3389/fimmu.2020.02192] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 08/11/2020] [Indexed: 12/12/2022] Open
Abstract
During the last years probiotics gained the attention of clinicians for their use in the prevention and treatment of multiple diseases. Probiotics main mechanisms of action include enhanced mucosal barrier function, direct antagonism with pathogens, inhibition of bacterial adherence and invasion capacity in the intestinal epithelium, boosting of the immune system and regulation of the central nervous system. It is accepted that there is a mutual communication between the gut microbiota and the liver, the so-called “microbiota-gut-liver axis” as well as a reciprocal communication between the intestinal microbiota and the central nervous system through the “microbiota-gut-brain axis.” Moreover, recently the “gut-lung axis” in bacterial and viral infections is considerably discussed for bacterial and viral infections, as the intestinal microbiota amplifies the alveolar macrophage activity having a protective role in the host defense against pneumonia. The importance of the normal human intestinal microbiota is recognized in the preservation of health. Disease states such as, infections, autoimmune conditions, allergy and other may occur when the intestinal balance is disturbed. Probiotics seem to be a promising approach to prevent and even reduce the symptoms of such clinical states as an adjuvant therapy by preserving the balance of the normal intestinal microbiota and improving the immune system. The present review states globally all different disorders in which probiotics can be given. To date, Stronger data in favor of their clinical use are provided in the prevention of gastrointestinal disorders, antibiotic-associated diarrhea, allergy and respiratory infections. We hereby discuss the role of probiotics in the reduction of the respiratory infection symptoms and we focus on the possibility to use them as an adjuvant to the therapeutic approach of the pandemic COVID-19. Nevertheless, it is accepted by the scientific community that more clinical studies should be undertaken in large samples of diseased populations so that the assessment of their therapeutic potential provide us with strong evidence for their efficacy and safety in clinical use.
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Affiliation(s)
- Elisavet Stavropoulou
- CHUV (Centre Hospitalier Universitaire Vaudois), Lausanne, Switzerland.,Department of Infectious Diseases, Central Institute, Valais Hospital, Sion, Switzerland
| | - Eugenia Bezirtzoglou
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
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Wang L, An J, Song S, Mei M, Li W, Ding F, Liu S. Electroacupuncture preserves intestinal barrier integrity through modulating the gut microbiota in DSS-induced chronic colitis. Life Sci 2020; 261:118473. [PMID: 32971101 DOI: 10.1016/j.lfs.2020.118473] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 09/07/2020] [Accepted: 09/17/2020] [Indexed: 12/16/2022]
Abstract
AIMS Electroacupuncture (EA) at ST36 has been verified to ameliorate experimental acute colitis. However, the effect of EA on chronic colitis and its mechanism has not yet been explored. This study aimed to assess the protective effect of EA against chronic colitis and the related mechanisms. MAIN METHODS Chronic colitis was induced by dextran sulfate sodium (DSS) in C57BL/6 mice, and EA was applied throughout the entire experiment. Colonic inflammation and intestinal barrier integrity were evaluated. Alterations in the gut microbiota were analyzed by 16S rRNA gene sequencing. The fecal microbiota transplantation (FMT) experiment was used to further confirm the effect of the gut microbiota on the barrier protective effect of EA. The potential molecular mechanisms were explored by western blotting. KEY FINDINGS (1) EA lowered the disease activity index (DAI) and histological scores, decreased the levels of TNFα, IL1β, IL6 and iNOS, and increased the IL10 level in DSS-induced chronic colitis. (2) EA upregulated the protein expression of ZO-1, Occludin, E-Cadherin and mucin2 (MUC2), reduced the apoptosis and proliferation of intestinal epithelial cells (IECs) and intestinal permeability. (3) EA enhanced the gut microbiota diversity and restored the community structure. (4) Both the low-frequency EA (LEA) FMT and high-frequency EA (HEA) FMT maintained the intestinal barrier integrity. (5) EA promoted activation of the mitogen activated protein kinase (MAPK) signaling pathway. SIGNIFICANCE EA can relieve chronic experimental colitis, and this effect may depend on activation of the MAPK signaling pathway through modulation of the gut microbiota to preserve the intestinal barrier.
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Affiliation(s)
- Lingli Wang
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jing An
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Shuangning Song
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Minhui Mei
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Wenhua Li
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Fei Ding
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Shi Liu
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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Effects of antibacterial peptide combinations on growth performance, intestinal health, and immune function of broiler chickens. Poult Sci 2020; 99:6481-6492. [PMID: 33248563 PMCID: PMC7810918 DOI: 10.1016/j.psj.2020.08.068] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 08/16/2020] [Accepted: 08/19/2020] [Indexed: 12/20/2022] Open
Abstract
To study the effects of antibacterial peptides (ABPs) on feeding broilers, this experiment compared the 2 combinations of ABP with antibiotics by separately adding the supplement to the diet of 818 broilers as follows—antibiotics, Pratt and Full-tide, and Pratt and plant essential oil—and then the effect of them on production performance, immune function, antioxidant capacity, serum biochemical indicators, and microorganisms of the experimental flocks was investigated and compared. It was found that the aforementioned indicators among the 2 groups of ABP and the antibiotic group were close to or even better than those of antibiotics, and the combination added with plant essential oils had generally better effects. These results indicated that ABPs could improve economic benefits by promoting growth, preventing disease, and reducing the rate of death. This study deepened the research on the action mechanism of ABPs and not only explored the feasibility of ABPs as a novel feed additive for broilers but also provided experimental data and theoretical basis for the application of ABPs.
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Kita A, Fujiya M, Konishi H, Tanaka H, Kashima S, Iwama T, Ijiri M, Murakami Y, Takauji S, Goto T, Sakatani A, Ando K, Ueno N, Ogawa N, Okumura T. Probiotic‑derived ferrichrome inhibits the growth of refractory pancreatic cancer cells. Int J Oncol 2020; 57:721-732. [PMID: 32705165 PMCID: PMC7384844 DOI: 10.3892/ijo.2020.5096] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 06/18/2020] [Indexed: 12/12/2022] Open
Abstract
Pancreatic cancer is associated with a poor prognosis due to challenges in early detection, severe progression of the primary tumor, metastatic lesions, and resistance to antitumor agents. However, previous studies have indicated a relationship between the microbiome and pancreatic cancer outcomes. Our previous study demonstrated that ferrichrome derived from Lactobacillus casei, a probiotic bacteria, exhibited tumor‑suppressive effects in colorectal and gastric cancer, and that the suppressive effects were stronger than conventional antitumor agents, such as 5‑fluorouracil (5‑FU) and cisplatin, suggesting that certain probiotics exert antitumorigenic effects. However, whether or not probiotic‑derived molecules, including ferrichrome, exert a tumor‑suppressive effect in other gastrointestinal tumors, such as pancreatic cancer, remains unclear. In the present study, it was demonstrated that probiotic‑derived ferrichrome inhibited the growth of pancreatic cancer cells, and its tumor‑suppressive effects were further revealed in 5‑FU‑resistant pancreatic cancer cells in vitro and in vivo in a mouse xenograft model. Ferrichrome inhibited the progression of cancer cells via dysregulation of the cell cycle by activating p53. DNA fragmentation and cleavage of poly (ADP‑ribose) polymerase were induced by ferrichrome treatment, suggesting that ferrichrome induced apoptosis in pancreatic cancer cells. A transcriptome analysis revealed that the expression p53‑associated mRNAs was significantly altered by ferrichrome treatment. Thus, the tumor‑suppressive effects of probiotics may mediated by probiotic‑derived molecules, such as ferrichrome, which may have applications as an antitumor drug, even in refractory and 5‑FU‑resistant pancreatic cancer.
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Affiliation(s)
- Akemi Kita
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa 078‑8510, Japan
| | - Mikihiro Fujiya
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa 078‑8510, Japan
| | - Hiroaki Konishi
- Department of Gastroenterology and Advanced Medical Sciences, Asahikawa Medical University, Asahikawa 078‑8510, Japan
| | - Hiroki Tanaka
- Division of Tumor Pathology, Department of Pathology, Asahikawa Medical University, Asahikawa 078‑8510, Japan
| | - Shin Kashima
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa 078‑8510, Japan
| | - Takuya Iwama
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa 078‑8510, Japan
| | - Masami Ijiri
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa 078‑8510, Japan
| | - Yuki Murakami
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa 078‑8510, Japan
| | - Shuhei Takauji
- Asahikawa Medical University Hospital Emergency Unit, Asahikawa 078‑8510, Japan
| | - Takuma Goto
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa 078‑8510, Japan
| | - Aki Sakatani
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa 078‑8510, Japan
| | - Katsuyoshi Ando
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa 078‑8510, Japan
| | - Nobuhiro Ueno
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa 078‑8510, Japan
| | - Naoki Ogawa
- Center for Advanced Research and Education, Department of Medicine, Asahikawa Medical University, Asahikawa 078‑8510, Japan
| | - Toshikatsu Okumura
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa 078‑8510, Japan
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Sanz-Luque E, Bhaya D, Grossman AR. Polyphosphate: A Multifunctional Metabolite in Cyanobacteria and Algae. FRONTIERS IN PLANT SCIENCE 2020; 11:938. [PMID: 32670331 PMCID: PMC7332688 DOI: 10.3389/fpls.2020.00938] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 06/09/2020] [Indexed: 05/19/2023]
Abstract
Polyphosphate (polyP), a polymer of orthophosphate (PO4 3-) of varying lengths, has been identified in all kingdoms of life. It can serve as a source of chemical bond energy (phosphoanhydride bond) that may have been used by biological systems prior to the evolution of ATP. Intracellular polyP is mainly stored as granules in specific vacuoles called acidocalcisomes, and its synthesis and accumulation appear to impact a myriad of cellular functions. It serves as a reservoir for inorganic PO4 3- and an energy source for fueling cellular metabolism, participates in maintaining adenylate and metal cation homeostasis, functions as a scaffold for sequestering cations, exhibits chaperone function, covalently binds to proteins to modify their activity, and enables normal acclimation of cells to stress conditions. PolyP also appears to have a role in symbiotic and parasitic associations, and in higher eukaryotes, low polyP levels seem to impact cancerous proliferation, apoptosis, procoagulant and proinflammatory responses and cause defects in TOR signaling. In this review, we discuss the metabolism, storage, and function of polyP in photosynthetic microbes, which mostly includes research on green algae and cyanobacteria. We focus on factors that impact polyP synthesis, specific enzymes required for its synthesis and degradation, sequestration of polyP in acidocalcisomes, its role in cellular energetics, acclimation processes, and metal homeostasis, and then transition to its potential applications for bioremediation and medical purposes.
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Affiliation(s)
- Emanuel Sanz-Luque
- Department of Plant Biology, The Carnegie Institution for Science, Stanford, CA, United States
- Department of Biochemistry and Molecular Biology, University of Cordoba, Cordoba, Spain
| | - Devaki Bhaya
- Department of Plant Biology, The Carnegie Institution for Science, Stanford, CA, United States
| | - Arthur R. Grossman
- Department of Plant Biology, The Carnegie Institution for Science, Stanford, CA, United States
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Abstract
Neutrophils kill invading microbes and therefore represent the first line of defense of the innate immune response. Activated neutrophils assemble NADPH oxidase to convert substantial amounts of molecular oxygen into superoxide, which, after dismutation into peroxide, serves as the substrate for the generation of the potent antimicrobial hypochlorous acid (HOCl) in the phagosomal space. In this minireview, we explore the most recent insights into physiological consequences of HOCl stress. Not surprisingly, Gram-negative bacteria have evolved diverse posttranslational defense mechanisms to protect their proteins, the main targets of HOCl, from HOCl-mediated damage. We discuss the idea that oxidation of conserved cysteine residues and partial unfolding of its structure convert the heat shock protein Hsp33 into a highly active chaperone holdase that binds unfolded proteins and prevents their aggregation. We examine two novel members of the Escherichia coli chaperone holdase family, RidA and CnoX, whose thiol-independent activation mechanism differs from that of Hsp33 and requires N-chlorination of positively charged amino acids during HOCl exposure. Furthermore, we summarize the latest findings with respect to another bacterial defense strategy employed in response to HOCl stress, which involves the accumulation of the universally conserved biopolymer inorganic polyphosphate. We then discuss sophisticated adaptive strategies that bacteria have developed to enhance their survival during HOCl stress. Understanding bacterial defense and survival strategies against one of the most powerful neutrophilic oxidants may provide novel insights into treatment options that potentially compromise the ability of pathogens to resist HOCl stress and therefore may increase the efficacy of the innate immune response.
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Beyond Heat Stress: Intestinal Integrity Disruption and Mechanism-Based Intervention Strategies. Nutrients 2020; 12:nu12030734. [PMID: 32168808 PMCID: PMC7146479 DOI: 10.3390/nu12030734] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 03/05/2020] [Accepted: 03/06/2020] [Indexed: 12/11/2022] Open
Abstract
The current climate changes have increased the prevalence and intensity of heat stress (HS) conditions. One of the initial consequences of HS is the impairment of the intestinal epithelial barrier integrity due to hyperthermia and hypoxia following blood repartition, which often results in a leaky gut followed by penetration and transfer of luminal antigens, endotoxins, and pathogenic bacteria. Under extreme conditions, HS may culminate in the onset of “heat stroke”, a potential lethal condition if remaining untreated. HS-induced alterations of the gastrointestinal epithelium, which is associated with a leaky gut, are due to cellular oxidative stress, disruption of intestinal integrity, and increased production of pro-inflammatory cytokines. This review summarizes the possible resilience mechanisms based on in vitro and in vivo data and the potential interventions with a group of nutritional supplements, which may increase the resilience to HS-induced intestinal integrity disruption and maintain intestinal homeostasis.
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Abstract
Inflammatory bowel diseases (IBD), including Crohn's disease, ulcerative colitis, and pouchitis, are chronic, relapsing intestinal inflammatory disorders mediated by dysregulated immune responses to resident microbiota. Current standard therapies that block immune activation with oral immunosuppressives or biologic agents are generally effective, but each therapy induces a sustained remission in only a minority of patients. Furthermore, these approaches can have severe adverse events. Recent compelling evidence of a role of unbalanced microbiota (dysbiosis) driving immune dysfunction and inflammation in IBD supports the therapeutic rationale for manipulating the dysbiotic microbiota. Traditional approaches using currently available antibiotics, probiotics, prebiotics, and synbiotics have not produced optimal results, but promising outcomes with fecal microbiota transplant provide a proof of principle for targeting the resident microbiota. Rationally designed oral biotherapeutic products (LBPs) composed of mixtures of protective commensal bacterial strains demonstrate impressive preclinical results. Resident microbial-based and microbial-targeted therapies are currently being studied with increasing intensity for IBD primary therapy with favorable early results. This review presents current evidence and therapeutic mechanisms of microbiota modulation, emphasizing clinical studies, and outlines prospects for future IBD treatment using new approaches, such as LBPs, bacteriophages, bacterial function-editing substrates, and engineered bacteria. We believe that the optimal clinical use of microbial manipulation may be as adjuvants to immunosuppressive for accelerated and improved induction of deep remission and as potential safer solo approaches to sustained remission using personalized regimens based on an individual patient's microbial profile.
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Affiliation(s)
- Akihiko Oka
- Division of Gastroenterology and Hepatology, Department of Medicine, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, 111 Mason Farm Road, Chapel Hill, NC, 27599, USA
| | - R Balfour Sartor
- Division of Gastroenterology and Hepatology, Department of Medicine, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, 111 Mason Farm Road, Chapel Hill, NC, 27599, USA.
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, 125 Mason Farm Road, Chapel Hill, NC, 27599, USA.
- National Gnotobiotic Rodent Resource Center, University of North Carolina at Chapel Hill, 120 Mason Farm Road, Chapel Hill, NC, 27514, USA.
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Colas L, Mongodin EF, Montassier E, Chesneau M, Guerif P, Hittle L, Giral M, Bromberg JS, Brouard S. Unique and specific Proteobacteria diversity in urinary microbiota of tolerant kidney transplanted recipients. Am J Transplant 2020; 20:145-158. [PMID: 31374143 DOI: 10.1111/ajt.15549] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 07/15/2019] [Accepted: 07/19/2019] [Indexed: 01/25/2023]
Abstract
Host-microbiota interactions can modulate the immune system both at local and systemic levels, with potential consequences for organ transplantation outcomes. In this study, we hypothesized that differences in the urinary microbiome following kidney transplantation would be associated with posttransplantation status: stable, minimally immunosuppressed, or tolerant. One hundred thirteen urine samples from stable (n = 51), minimally immunosuppressed (n = 19), and spontaneously tolerant (n = 16) patients, paired with age-matched controls (n = 27) were profiled and compared to each other at a taxonomic level with special interest in the immunosuppressive regimen. All comparisons and correlations were adjusted on sex and time posttransplantation. Our results highlighted a unique and specific urinary microbiota associated with spontaneous tolerance characterized by a high diversity and a clear Proteobacteria profile. Finally, we report that this profile is (1) impacted by gender, (2) inversely correlated with immunosuppressive drugs (calcineurin inhibitors and mammalian target of rapamycin inhibitors), and (3) stable in time.
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Affiliation(s)
- Luc Colas
- Plateforme Transversale d'Allergologie et d'Immunologie Clinique, Institut du Thorax, CHU de Nantes, Nantes, France.,Centre de Recherche en Transplantation et Immunologie UMR1064, INSERM, Université de Nantes, Nantes, France.,Institut de Transplantation Urologie Néphrologie (ITUN), CHU Nantes, Nantes, France
| | - Emmanuel F Mongodin
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, Maryland
| | | | - Mélanie Chesneau
- Centre de Recherche en Transplantation et Immunologie UMR1064, INSERM, Université de Nantes, Nantes, France.,Institut de Transplantation Urologie Néphrologie (ITUN), CHU Nantes, Nantes, France
| | - Pierrick Guerif
- Centre de Recherche en Transplantation et Immunologie UMR1064, INSERM, Université de Nantes, Nantes, France.,Institut de Transplantation Urologie Néphrologie (ITUN), CHU Nantes, Nantes, France
| | - Lauren Hittle
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, Maryland
| | - Magali Giral
- Centre de Recherche en Transplantation et Immunologie UMR1064, INSERM, Université de Nantes, Nantes, France.,Institut de Transplantation Urologie Néphrologie (ITUN), CHU Nantes, Nantes, France
| | - Jonathan S Bromberg
- Departments of Surgery and Microbiology and Immunology, and the Center for Vascular and Inflammatory Diseases, University of Maryland, School of Medicine, Baltimore, Maryland
| | - Sophie Brouard
- Centre de Recherche en Transplantation et Immunologie UMR1064, INSERM, Université de Nantes, Nantes, France.,Institut de Transplantation Urologie Néphrologie (ITUN), CHU Nantes, Nantes, France
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- Centre de Recherche en Transplantation et Immunologie UMR1064, INSERM, Université de Nantes, Nantes, France.,Institut de Transplantation Urologie Néphrologie (ITUN), CHU Nantes, Nantes, France
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Müller WE, Schröder HC, Wang X. Inorganic Polyphosphates As Storage for and Generator of Metabolic Energy in the Extracellular Matrix. Chem Rev 2019; 119:12337-12374. [PMID: 31738523 PMCID: PMC6935868 DOI: 10.1021/acs.chemrev.9b00460] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Indexed: 12/14/2022]
Abstract
Inorganic polyphosphates (polyP) consist of linear chains of orthophosphate residues, linked by high-energy phosphoanhydride bonds. They are evolutionarily old biopolymers that are present from bacteria to man. No other molecule concentrates as much (bio)chemically usable energy as polyP. However, the function and metabolism of this long-neglected polymer are scarcely known, especially in higher eukaryotes. In recent years, interest in polyP experienced a renaissance, beginning with the discovery of polyP as phosphate source in bone mineralization. Later, two discoveries placed polyP into the focus of regenerative medicine applications. First, polyP shows morphogenetic activity, i.e., induces cell differentiation via gene induction, and, second, acts as an energy storage and donor in the extracellular space. Studies on acidocalcisomes and mitochondria provided first insights into the enzymatic basis of eukaryotic polyP formation. In addition, a concerted action of alkaline phosphatase and adenylate kinase proved crucial for ADP/ATP generation from polyP. PolyP added extracellularly to mammalian cells resulted in a 3-fold increase of ATP. The importance and mechanism of this phosphotransfer reaction for energy-consuming processes in the extracellular matrix are discussed. This review aims to give a critical overview about the formation and function of this unique polymer that is capable of storing (bio)chemically useful energy.
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Affiliation(s)
- Werner E.G. Müller
- ERC Advanced Investigator
Grant Research
Group at the Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, D-55128 Mainz, Germany
| | - Heinz C. Schröder
- ERC Advanced Investigator
Grant Research
Group at the Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, D-55128 Mainz, Germany
| | - Xiaohong Wang
- ERC Advanced Investigator
Grant Research
Group at the Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, D-55128 Mainz, Germany
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Fujiya M, Ueno N, Kashima S, Tanaka K, Sakatani A, Ando K, Moriichi K, Konishi H, Kamiyama N, Tasaki Y, Omura T, Matsubara K, Taruishi M, Okumura T. Long-Chain Polyphosphate Is a Potential Agent for Inducing Mucosal Healing of the Colon in Ulcerative Colitis. Clin Pharmacol Ther 2019; 107:452-461. [PMID: 31513280 PMCID: PMC7006885 DOI: 10.1002/cpt.1628] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 08/22/2019] [Indexed: 12/25/2022]
Abstract
The goal of ulcerative colitis (UC) treatment has recently been shown to be “mucosal healing,” as no drug directly induces mucosal healing. Probiotics possess sufficient safety, but their efficacy in the treatment of UC remains controversial because of the influence of intestinal conditions. It is believed that the identification of bioactive molecules produced by probiotics and their application will help to solve this issue. We therefore identified a probiotic‐derived long‐chain polyphosphate as a molecule enhancing the intestinal barrier function. This study demonstrated that long‐chain polyphosphate exhibited antiinflammatory effects in a human macrophage and interleukin‐10 knockout transfusion mouse model. The first‐in‐human trial showed that 7 of the 10 enrolled patients acquired clinical remission, 4 of whom achieved endoscopic remission despite a history of treatment with anti–tumor necrosis factor (TNF)–α agents. No adverse reactions were observed. Long‐chain polyphosphate might be useful for the treatment of refractory UC, even in patients with failure or intolerance to anti‐TNF‐α therapy.
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Affiliation(s)
- Mikihiro Fujiya
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Nobuhiro Ueno
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Shin Kashima
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Kazuyuki Tanaka
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Aki Sakatani
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Katsuyoshi Ando
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Kentaro Moriichi
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Hiroaki Konishi
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Naoya Kamiyama
- Department of Hospital Pharmacy and Pharmacology, Asahikawa Medical University, Asahikawa, Japan.,Clinical Research Support Center, Asahikawa Medical University Hospital, Asahikawa, Japan
| | - Yoshikazu Tasaki
- Department of Hospital Pharmacy and Pharmacology, Asahikawa Medical University, Asahikawa, Japan.,Clinical Research Support Center, Asahikawa Medical University Hospital, Asahikawa, Japan
| | - Tomohiro Omura
- Department of Clinical Pharmacology and Therapeutics, Kyoto University Hospital, Kyoto, Japan
| | - Kazuo Matsubara
- Department of Clinical Pharmacology and Therapeutics, Kyoto University Hospital, Kyoto, Japan
| | - Masaki Taruishi
- Department of Gastroenterology, Asahikawa City Hospital, Asahikawa, Japan
| | - Toshikatsu Okumura
- Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
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Arreguin-Nava MA, Hernández-Patlán D, Solis-Cruz B, Latorre JD, Hernandez-Velasco X, Tellez G, El-Ashram S, Hargis BM, Tellez-Isaias G. Isolation and Identification of Lactic Acid Bacteria Probiotic Culture Candidates for the Treatment of Salmonella enterica Serovar Enteritidis in Neonatal Turkey Poults. Animals (Basel) 2019; 9:ani9090696. [PMID: 31533370 PMCID: PMC6770488 DOI: 10.3390/ani9090696] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 08/28/2019] [Accepted: 09/16/2019] [Indexed: 12/16/2022] Open
Abstract
The effect of Lactobacillus spp.-based probiotic candidates on Salmonella enterica serovar Enteritidis (SE) colonization was evaluated in two separate experiments. In each experiment, sixty-one day-of-hatch female turkey poults were obtained from a local hatchery. In both experiments, poults were challenged via oral gavage with 104 cfu/poult of SE and randomly allocated to one of two groups (n = 30 poults): (1) the positive control group and (2) the probiotic treated group. Heated brooder batteries were used for housing each group separately and poults were allowed ad libitum access to water and unmedicated turkey starter feed. 1 h following the SE challenge, poults were treated with 106 cfu/poult of probiotic culture via oral gavage or phosphate-buffered saline (PBS)to control groups. A total of 24 h post-treatment, poults were euthanized and the ceca and cecal tonsils from twenty poults were collected aseptically for SE recovery. In both trials, a significant reduction in the incidence and log10 cfu/g of SE were observed in poults treated with the probiotic when compared with control poults (p ≤ 0.05). The results of the present study suggest that the administration of this lactic acid-producing bacteria (LAB)-based probiotic 1 h after an SE challenge can be useful in reducing the cecal colonization of this pathogen in neonatal poults.
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Affiliation(s)
| | - Daniel Hernández-Patlán
- Laboratorio 5: LEDEFAR, Unidad de Investigación Multidisciplinaria, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México (UNAM), Cuautitlán Izcalli Estado de México 54714, Mexico; (D.H.-P.); (B.S.-C.)
| | - Bruno Solis-Cruz
- Laboratorio 5: LEDEFAR, Unidad de Investigación Multidisciplinaria, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México (UNAM), Cuautitlán Izcalli Estado de México 54714, Mexico; (D.H.-P.); (B.S.-C.)
| | - Juan D. Latorre
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA; (J.D.L.); (B.M.H.)
| | - Xochitl Hernandez-Velasco
- Departamento de Medicina y Zootecnia de Aves, Facultad de Medicina Veterinaria y Zootecnia, UNAM, Cd. de Mexico 04510, Mexico;
| | - Guillermo Tellez
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA; (J.D.L.); (B.M.H.)
| | - Saeed El-Ashram
- School of Life Science and Engineering, Foshan University, Foshan 528231, Guangdong, China;
- Faculty of Science, Kafrelsheikh University, Kafr el-Sheikh 33516, Egypt
| | - Billy M. Hargis
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA; (J.D.L.); (B.M.H.)
| | - Guillermo Tellez-Isaias
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA; (J.D.L.); (B.M.H.)
- Correspondence:
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Complex Responses to Hydrogen Peroxide and Hypochlorous Acid by the Probiotic Bacterium Lactobacillus reuteri. mSystems 2019; 4:4/5/e00453-19. [PMID: 31481604 PMCID: PMC6722424 DOI: 10.1128/msystems.00453-19] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Inflammatory diseases of the gut are associated with increased intestinal oxygen concentrations and high levels of inflammatory oxidants, including hydrogen peroxide (H2O2) and hypochlorous acid (HOCl), which are antimicrobial compounds produced by the innate immune system. This contributes to dysbiotic changes in the gut microbiome, including increased populations of proinflammatory enterobacteria (Escherichia coli and related species) and decreased levels of health-associated anaerobic Firmicutes and Bacteroidetes The pathways for H2O2 and HOCl resistance in E. coli have been well studied, but little is known about how commensal and probiotic bacteria respond to inflammatory oxidants. In this work, we have characterized the transcriptomic response of the anti-inflammatory, gut-colonizing Gram-positive probiotic Lactobacillus reuteri to both H2O2 and HOCl. L. reuteri mounts distinct but overlapping responses to each of these stressors, and both gene expression and survival were strongly affected by the presence or absence of oxygen. Oxidative stress response in L. reuteri required several factors not found in enterobacteria, including the small heat shock protein Lo18, polyphosphate kinase 2, and RsiR, an L. reuteri-specific regulator of anti-inflammatory mechanisms.IMPORTANCE Reactive oxidants, including hydrogen peroxide and hypochlorous acid, are antimicrobial compounds produced by the immune system during inflammation. Little is known, however, about how many important types of bacteria present in the human microbiome respond to these oxidants, especially commensal and other health-associated species. We have now mapped the stress response to both H2O2 and HOCl in the intestinal lactic acid bacterium Lactobacillus reuteri.
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Oral Polyphosphate Suppresses Bacterial Collagenase Production and Prevents Anastomotic Leak Due to Serratia marcescens and Pseudomonas aeruginosa. Ann Surg 2019; 267:1112-1118. [PMID: 28166091 DOI: 10.1097/sla.0000000000002167] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE The objective of this study was to determine the effect of polyphosphate on intestinal bacterial collagenase production and anastomotic leak in mice undergoing colon surgery. BACKGROUND We have previously shown that anastomotic leak can be caused by intestinal pathogens that produce collagenase. Because bacteria harbor sensory systems to detect the extracellular concentration of phosphate which controls their virulence, we tested whether local phosphate administration in the form of polyphosphate could attenuate pathogen virulence and prevent leak without affecting bacterial growth. METHODS Groups of mice underwent a colorectal anastomosis which was then exposed to collagenolytic strains of either Serratia marcescens or Pseudomonas aeruginosa via enema. Mice were then randomly assigned to drink water or water supplemented with a 6-mer of polyphosphate (PPi-6). All mice were sacrificed on postoperative day 10 and anastomoses assessed for leakage, the presence of collagenolytic bacteria, and anastomotic PPi-6 concentration. RESULTS PPi-6 markedly attenuated collagenase and biofilm production, and also swimming and swarming motility in both S. marcescens and P. aeruginosa while supporting their normal growth. Mice drinking PPi-6 demonstrated increased levels of PPi-6 and decreased colonization of S. marcescens and P. aeruginosa, and collagenase activity at anastomotic tissues. PPi-6 prevented anastomotic abscess formation and leak in mice after anastomotic exposure to S. marcescens and P. aeruginosa. CONCLUSIONS Polyphosphate administration may be an alternative approach to prevent anastomotic leak induced by collagenolytic bacteria with the advantage of preserving the intestinal microbiome and its colonization resistance.
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Zhang Z, Zhou H, Bai L, Lv Y, Yi H, Zhang L, Li R. Protective effects of probiotics on acute alcohol-induced liver injury in mice through alcohol metabolizing enzymes activation and hepatic TNF-α response reduction. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.05.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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Feng G, Zeng M, Huang M, Zhu S, Guo W, Wu H. Protective effect of biogenic polyphosphate nanoparticles from Synechococcus sp. PCC 7002 on dextran sodium sulphate-induced colitis in mice. Food Funct 2019; 10:1007-1016. [PMID: 30706920 DOI: 10.1039/c8fo01861h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Biogenic polyphosphate nanoparticles (BPNPs) from Synechococcus sp. PCC 7002 have been found to exhibit intestinal protective potential in vitro and ex vivo. The aim of this study was to evaluate the in vivo intestinal protective effect of BPNPs in experimental colitis. BPNPs were intragastrically administered to C57BL/6 mice daily for 9 d during and after 5 d dextran sodium sulfate (DSS) exposure. Based on the body weight, disease activity index, colon length and colon histology, BPNPs effectively ameliorated DSS-induced colitis in mice. According to colonic myeloperoxidase activity, colonic and peripheral proinflammatory cytokines, and hematological parameters, BPNPs alleviated the DSS-induced colonic and systemic inflammation. BPNPs enhanced the intestinal barrier function by upregulating the colonic expressions of heat shock protein 25 and tight junction proteins. By high-throughput sequencing of fecal 16S rRNA, BPNPs were found to maintain gut microbial homeostasis in colitis mice. Overall, BPNPs have a considerable in vivo efficacy to maintain gut health.
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Affiliation(s)
- Guangxin Feng
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, Shandong Province 266003, China.
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