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Xia T, Lu X, Kong D, Guo T, Gao Y, Xin L, Jiang Y, Wang X, Shan Z, Li J, Zhou H, Cui W, Qiao X, Tang L, Li Y, Wang L. Screening optimal DC-targeting peptide to enhance the immune efficacy of recombinant Lactobacillus expressing RHDV VP60. Virulence 2024; 15:2368080. [PMID: 38899573 PMCID: PMC11195490 DOI: 10.1080/21505594.2024.2368080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 06/10/2024] [Indexed: 06/21/2024] Open
Abstract
Dendritic cells (DCs) present an ideal target for delivering immunogenic cargo due to their potent antigen-presenting capabilities. This targeting approach holds promise in vaccine development by enhancing the efficiency of antigen recognition and capture by DCs. To identify a high-affinity targeting peptide binding to rabbit DCs, rabbit monocyte-derived DCs (raMoDCs) were isolated and cultured, and a novel peptide, HS (HSLRHDYGYPGH), was identified using a phage-displayed peptide library. Alongside HS, two other DC-targeting peptides, KC1 and MY, previously validated in our laboratory, were employed to construct recombinant Lactgobacillus reuteri fusion-expressed rabbit hemorrhagic disease virus (RHDV) capsid protein VP60. These recombinant Lactobacillus strains were named HS-VP60/L. reuteri, KC1-VP60/L. reuteri, and MY-VP60/L. reuteri. The ability of these recombinant Lactobacillus to bind rabbit DCs was evaluated both in vivo and in vitro. Results demonstrated that the DC-targeting peptide KC1 significantly enhanced the capture efficiency of recombinant Lactobacillus by raMoDCs, promoted DC maturation, and increased cytokine secretion. Furthermore, oral administration of KC1-VP60/L. reuteri effectively induced SIgA and IgG production in rabbits, prolonged rabbit survival post-challenge, and reduced RHDV copies in organs. In summary, the DC-targeting peptide KC1 exhibited robust binding to raMoDCs, and recombinant Lactobacillus expressing KC1-VP60 protein antigens efficiently induced systemic and mucosal immune responses in rabbits, conferring protective efficacy against RHDV. This study offers valuable insights for the development of novel RHDV vaccines.
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Affiliation(s)
- Tian Xia
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Xiao Lu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Deming Kong
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Tiantian Guo
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Yueyi Gao
- Division of Viral Biologic Testing(I), China Institute of Veterinary Drug Control, Beijing, China
| | - Lingxiang Xin
- Division of Viral Biologic Testing(I), China Institute of Veterinary Drug Control, Beijing, China
| | - Yanping Jiang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
- China Ministry of Agriculture Key Laboratory of Animal Pathogen Biology, Northeastern Science Inspection Station, Harbin, China
| | - Xiaona Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
- China Ministry of Agriculture Key Laboratory of Animal Pathogen Biology, Northeastern Science Inspection Station, Harbin, China
| | - Zhifu Shan
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
- China Ministry of Agriculture Key Laboratory of Animal Pathogen Biology, Northeastern Science Inspection Station, Harbin, China
| | - Jiaxuan Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
- China Ministry of Agriculture Key Laboratory of Animal Pathogen Biology, Northeastern Science Inspection Station, Harbin, China
| | - Han Zhou
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
- China Ministry of Agriculture Key Laboratory of Animal Pathogen Biology, Northeastern Science Inspection Station, Harbin, China
| | - Wen Cui
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
- China Ministry of Agriculture Key Laboratory of Animal Pathogen Biology, Northeastern Science Inspection Station, Harbin, China
| | - Xinyuan Qiao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
- China Ministry of Agriculture Key Laboratory of Animal Pathogen Biology, Northeastern Science Inspection Station, Harbin, China
| | - Lijie Tang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
- China Ministry of Agriculture Key Laboratory of Animal Pathogen Biology, Northeastern Science Inspection Station, Harbin, China
| | - Yijing Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
- China Ministry of Agriculture Key Laboratory of Animal Pathogen Biology, Northeastern Science Inspection Station, Harbin, China
| | - Li Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
- China Ministry of Agriculture Key Laboratory of Animal Pathogen Biology, Northeastern Science Inspection Station, Harbin, China
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2
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Zhang Z, De X, Sun W, Liu R, Li Y, Yang Z, Liu N, Wu J, Miao Y, Wang J, Wang F, Ge J. Biogenic Selenium Nanoparticles Synthesized by L. brevis 23017 Enhance Aluminum Adjuvanticity and Make Up for its Disadvantage in Mice. Biol Trace Elem Res 2024; 202:4640-4653. [PMID: 38273184 DOI: 10.1007/s12011-023-04042-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 12/24/2023] [Indexed: 01/27/2024]
Abstract
The most popular vaccine adjuvants are aluminum ones, which have significantly reduced the incidence and mortality of many diseases. However, aluminum-adjuvanted vaccines are constrained by their limited capacity to elicit cellular and mucosal immune responses, thus constraining their broader utilization. Biogenic selenium nanoparticles are a low-cost, environmentally friendly, low-toxicity, and highly bioactive form of selenium supplementation. Here, we purified selenium nanoparticles synthesized by Levilactobacillus brevis 23017 (L-SeNP) and characterized them using Fourier-transform infrared spectroscopy, energy-dispersive X-ray spectroscopy, scanning electron microscopy, and transmission electron microscopy. The results indicate that the L-SeNP has a particle size ranging from 30 to 200 nm and is coated with proteins and polysaccharides. Subsequently, we assessed the immune-enhancing properties of L-SeNP in combination with an adjuvant-inactivated Clostridium perfringens type A vaccine using a mouse model. The findings demonstrate that L-SeNP can elevate the IgG and SIgA titers in immunized mice and modulate the Th1/Th2 immune response, thereby enhancing the protective effect of aluminum-adjuvanted vaccines. Furthermore, we observed that L-SeNP increases selenoprotein expression and regulates oxidative stress in immunized mice, which may be how L-SeNP regulates immunity. In conclusion, L-SeNP has the potential to augment the immune response of aluminum adjuvant vaccines and compensate for their limitations in eliciting Th1 and mucosal immune responses.
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Affiliation(s)
- Zheng Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Xinqi De
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Weijiao Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Runhang Liu
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150069, China
| | - Yifan Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Zaixing Yang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Ning Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Jingyi Wu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Yaxin Miao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Jiaqi Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Fang Wang
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150069, China.
| | - Junwei Ge
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China.
- Heilongjiang Provincial Key Laboratory of Zoonosis, Harbin, 150030, China.
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3
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Freitas ADS, Barroso FAL, Campos GM, Américo MF, Viegas RCDS, Gomes GC, Vital KD, Fernandes SOA, Carvalho RDDO, Jardin J, Miranda APGDS, Ferreira E, Martins FS, Laguna JG, Jan G, Azevedo V, de Jesus LCL. Exploring the anti-inflammatory effects of postbiotic proteins from Lactobacillus delbrueckii CIDCA 133 on inflammatory bowel disease model. Int J Biol Macromol 2024; 277:134216. [PMID: 39069058 DOI: 10.1016/j.ijbiomac.2024.134216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 07/22/2024] [Accepted: 07/25/2024] [Indexed: 07/30/2024]
Abstract
Lactobacillus delbrueckii CIDCA 133 is a promising health-promoting bacterium shown to alleviate intestinal inflammation. However, the specific bacterial components responsible for these effects remain largely unknown. Here, we demonstrated that consuming extractable proteins from the CIDCA 133 strain effectively relieved acute ulcerative colitis in mice. This postbiotic protein fraction reduced the disease activity index and prevented colon shortening in mice. Furthermore, histological analysis revealed colitis prevention with reduced inflammatory cell infiltration into the colon mucosa. Postbiotic consumption also induced an immunomodulatory profile in colitic mice, as evidenced by both mRNA transcript levels (Tlr2, Nfkb1, Nlpr3, Tnf, and Il6) and cytokines concentration (IL1β, TGFβ, and IL10). Additionally, it enhanced the levels of secretory IgA, upregulated the transcript levels of tight junction proteins (Hp and F11r), and improved paracellular intestinal permeability. More interestingly, the consumption of postbiotic proteins modulated the gut microbiota (Bacteroides, Arkkemansia, Dorea, and Oscillospira). Pearson correlation analysis indicated that IL10 and IL1β levels were positively associated with Bacteroides and Arkkemansia_Lactobacillus abundance. Our study reveals that CIDCA 133-derived proteins possess anti-inflammatory properties in colonic inflammation.
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Affiliation(s)
- Andria Dos Santos Freitas
- Federal University of Minas Gerais, Department of Genetics, Ecology, and Evolution, Belo Horizonte, Minas Gerais, Brazil
| | | | - Gabriela Munis Campos
- Federal University of Minas Gerais, Department of Genetics, Ecology, and Evolution, Belo Horizonte, Minas Gerais, Brazil
| | - Monique Ferrary Américo
- Federal University of Minas Gerais, Department of Genetics, Ecology, and Evolution, Belo Horizonte, Minas Gerais, Brazil
| | | | - Gabriel Camargos Gomes
- Federal University of Minas Gerais, Department of Genetics, Ecology, and Evolution, Belo Horizonte, Minas Gerais, Brazil
| | - Kátia Duarte Vital
- Federal University of Minas Gerais, Department of Clinical and Toxicological Analysis, Belo Horizonte, Minas Gerais, Brazil
| | | | | | | | | | - Enio Ferreira
- Federal University of Minas Gerais, Department of General Pathology, Belo Horizonte, Minas Gerais, Brazil
| | - Flaviano Santos Martins
- Federal University of Minas Gerais, Department of Microbiology, Belo Horizonte, Minas Gerais, Brazil
| | - Juliana Guimarães Laguna
- Federal University of Minas Gerais, Department of Genetics, Ecology, and Evolution, Belo Horizonte, Minas Gerais, Brazil
| | | | - Vasco Azevedo
- Federal University of Minas Gerais, Department of Genetics, Ecology, and Evolution, Belo Horizonte, Minas Gerais, Brazil.
| | - Luís Cláudio Lima de Jesus
- Federal University of Minas Gerais, Department of Genetics, Ecology, and Evolution, Belo Horizonte, Minas Gerais, Brazil.
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Da Costa RM, Rooke JL, Wells TJ, Cunningham AF, Henderson IR. Type 5 secretion system antigens as vaccines against Gram-negative bacterial infections. NPJ Vaccines 2024; 9:159. [PMID: 39218947 DOI: 10.1038/s41541-024-00953-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Accepted: 08/14/2024] [Indexed: 09/04/2024] Open
Abstract
Infections caused by Gram-negative bacteria are leading causes of mortality worldwide. Due to the rise in antibiotic resistant strains, there is a desperate need for alternative strategies to control infections caused by these organisms. One such approach is the prevention of infection through vaccination. While live attenuated and heat-killed bacterial vaccines are effective, they can lead to adverse reactions. Newer vaccine technologies focus on utilizing polysaccharide or protein subunits for safer and more targeted vaccination approaches. One promising avenue in this regard is the use of proteins released by the Type 5 secretion system (T5SS). This system is the most prevalent secretion system in Gram-negative bacteria. These proteins are compelling vaccine candidates due to their demonstrated protective role in current licensed vaccines. Notably, Pertactin, FHA, and NadA are integral components of licensed vaccines designed to prevent infections caused by Bordetella pertussis or Neisseria meningitidis. In this review, we delve into the significance of incorporating T5SS proteins into licensed vaccines, their contributions to virulence, conserved structural motifs, and the protective immune responses elicited by these proteins.
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Affiliation(s)
- Rochelle M Da Costa
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD, Australia
| | - Jessica L Rooke
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD, Australia
| | - Timothy J Wells
- Frazer Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Adam F Cunningham
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
| | - Ian R Henderson
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD, Australia.
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5
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Dong YJ, Zhang YP, Jiang XF, Xie ZY, Li B, Jiang NH, Chen SH, Lv GY. Beneficial effects of Dendrobium officinale National Herbal Drink on metabolic immune crosstalk via regulate SCFAs-Th17/Treg. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 132:155816. [PMID: 38964158 DOI: 10.1016/j.phymed.2024.155816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 03/29/2024] [Accepted: 06/08/2024] [Indexed: 07/06/2024]
Abstract
BACKGROUND The development of gut-liver axis metabolic immune crosstalk is intimately associated with intestinal barrier disorder, intestinal SCFAs-Th17/Treg immunological imbalance, and disorders of the gut microbiota. Prior research has discovered that Dendrobium officinale National Herbal Drink (NHD), a traditional Chinese medicine drink with enhanced immunity, may enhance the immunological response in animals with impaired immune systems brought on by cyclophosphamide by repairing intestinal barrier function and controlling turbulence in the gut microbiota. However, whether NHD can further improve the gut-liver axis metabolic immune crosstalk and its related mechanisms need to be systematically studied. OBJECTIVES The purpose of this study is to clarify the function and mechanism of NHD in enhancing the gut-liver axis metabolic immunological crosstalk brought on by excessive alcohol intake. METHODS In this work, we set up a mouse model to analyze the metabolic and immunological crosstalk involving the gut-liver axis across 7 weeks of continuous, excessive drinking. At the same time, high and low doses (20,10 ml/kg) of NHD were given by gavage. The effect of NHD on improving the metabolism of gut-liver axis was evaluated by blood lipid, liver lipid deposition, liver function and intestinal pathophysiology. By measuring serum immunological indices, intestinal barrier, and intestinal immune barrier, the impact of NHD on enhancing immune and intestinal barrier function was assessed. Furthermore, immunohistochemistry, immunofluorescence, 16S rRNA, Western blot, q-PCR and other methods were used to detect gut microbiota, SCFAs-GPR41/43 pathway, intestinal Th17/Treg immune cells and PPAR-α-NPC1L1/SREBP1 pathway to elucidate the mechanism by which NHD enhances the gut-liver axis' metabolic immune crosstalk. RESULTS Our study demonstrated that NHD has the potential to improve the pathophysiological damage caused by gut-liver axis in model mice. NHD also ameliorated the disorder of lipid metabolism. In addition, it regulated the levels of peripheral blood T cell immunity and serum immune factors. And NHD can restore intestinal mechanical and immune barrier damage. NHD has a favorable impact on the quantity of beneficial bacteria, including uncultured_bacterium_g__norank_f__muribaculacea and uncultured_bacterium_g__Turicibacter. Additionally, it raised the model mice's levels of SCFAs (n-butyric acid, isovaleric acid, etc.). This resulted in the promotion of intestinal GPR41/43-ERK1/2 expression and the reshaping of intestinal CD4+T cell Th17/Treg homeostasis. As a consequence, colon IL-22 and IL-10 levels increased, while colon IL-17A levels decreased. Lastly, NHD raised the amount of intestinal IAP/LPS, regulated the development of PPAR-α-NPC1L1/SREBP1 pathway in gut-liver axis, and improve lipid metabolism disorder. CONCLUSIONS Our study found that NHD can improve the gut-liver axis metabolic immune crosstalk in model mice caused by excessive drinking. The mechanism might be connected to how NHD controls gut microbiota disorders in model mice, the activation of intestinal SCFAs-GPR41/43 pathway, the remodeling of Th17/Treg immune homeostasis of intestinal CD4+T cells, the improvement of IAP/LPS abnormality, and further mediating the PPAR-α-NPC1L1/SREBP1 pathway of lipid metabolism in gut-liver axis.
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Affiliation(s)
- Ying-Jie Dong
- College of Pharmaceutical Science, No. 548, Binwen Road, Binjiang District, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310014, China; Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, No. 18, Chaowang Road, Gongshu District, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China; Zhejiang Provincial Key Laboratory of TCM for Innovative R & D and Digital Intelligent Manufacturing of TCM Great Health Products. Huzhou 313200, China
| | - Yi-Piao Zhang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, No. 18, Chaowang Road, Gongshu District, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China; Zhejiang Provincial Key Laboratory of TCM for Innovative R & D and Digital Intelligent Manufacturing of TCM Great Health Products. Huzhou 313200, China
| | - Xiao-Feng Jiang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, No. 18, Chaowang Road, Gongshu District, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China; Zhejiang Provincial Key Laboratory of TCM for Innovative R & D and Digital Intelligent Manufacturing of TCM Great Health Products. Huzhou 313200, China
| | - Zhi-Yi Xie
- College of Pharmaceutical Science, No. 548, Binwen Road, Binjiang District, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310014, China; Zhejiang Provincial Key Laboratory of TCM for Innovative R & D and Digital Intelligent Manufacturing of TCM Great Health Products. Huzhou 313200, China
| | - Bo Li
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, No. 18, Chaowang Road, Gongshu District, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China; Zhejiang Provincial Key Laboratory of TCM for Innovative R & D and Digital Intelligent Manufacturing of TCM Great Health Products. Huzhou 313200, China
| | - Ning-Hua Jiang
- The Second Affiliated Hospital of Jiaxing University, Jiaxing, 314000, China.
| | - Su-Hong Chen
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, No. 18, Chaowang Road, Gongshu District, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China; Zhejiang Provincial Key Laboratory of TCM for Innovative R & D and Digital Intelligent Manufacturing of TCM Great Health Products. Huzhou 313200, China.
| | - Gui-Yuan Lv
- College of Pharmaceutical Science, No. 548, Binwen Road, Binjiang District, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310014, China.
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Hamada R, Yonezawa A, Matsumoto K, Mitani T, Takagi T, Muto A, Igarashi K, Naito Y, Higashimura Y. BTB and CNC homology 1 deficiency disrupts intestinal IgA secretion through regulation of polymeric immunoglobulin receptor expression. Am J Physiol Gastrointest Liver Physiol 2024; 327:G414-G423. [PMID: 38981617 DOI: 10.1152/ajpgi.00215.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 06/11/2024] [Accepted: 07/03/2024] [Indexed: 07/11/2024]
Abstract
Immunoglobulin A (IgA)-mediated mucosal immunity is important for the host because it contributes to reducing infection risk and to establishing host-microbe symbiosis. BTB and CNC homology 1 (Bach1) is a transcriptional repressor with physiological and pathophysiological functions that are of particular interest for their relation to gastrointestinal diseases. However, Bach1 effects on IgA-mediated mucosal immunity remain unknown. For this study using Bach1-deficient (Bach1-/-) mice, we investigated the function of Bach1 in IgA-mediated mucosal immunity. Intestinal mucosa, feces, and plasma IgA were examined using immunosorbent assay. After cell suspensions were prepared from Peyer's patches and colonic lamina propria, they were examined using flow cytometry. The expression level of polymeric immunoglobulin receptor (pIgR), which plays an important role in the transepithelial transport of IgA, was evaluated using Western blotting, quantitative real-time PCR, and immunohistochemistry. Although no changes in the proportions of IgA-producing cells were observed, the amounts of IgA in the intestinal mucosa were increased in Bach1-/- mice. Furthermore, plasma IgA was increased in Bach1-/- mice, but fecal IgA was decreased, indicating that Bach1-/- mice have abnormal secretion of IgA into the intestinal lumen. In fact, Bach1 deficiency reduced pIgR expression in colonic mucosa at both the protein and mRNA levels. In the human intestinal epithelial cell line LS174T, suppression of Bach1 reduced pIgR mRNA stability. In contrast, the overexpression of Bach1 increased pIgR mRNA stability. These results demonstrate that Bach1 deficiency causes abnormal secretion of IgA into the intestinal lumen via suppression of pIgR expression.NEW & NOTEWORTHY The transcriptional repressor Bach1 has been implicated in diverse intestinal functions, but the effects of Bach1 on IgA-mediated mucosal immunity remain unclear. We demonstrate here that Bach1 deficiency causes abnormal secretion of IgA into the intestinal lumen, although the proportions of IgA-producing cells were not altered. Furthermore, Bach1 regulates the expression of pIgR, which plays an important role in the transepithelial transport of IgA, at the posttranscriptional level.
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Affiliation(s)
- Riku Hamada
- Department of Food Science, Ishikawa Prefectural University, Nonoichi, Japan
| | - Akari Yonezawa
- Department of Food Science, Ishikawa Prefectural University, Nonoichi, Japan
| | - Kenji Matsumoto
- Department of Food Science, Ishikawa Prefectural University, Nonoichi, Japan
| | - Takakazu Mitani
- Division of Food Science and Biotechnology, Graduate School of Science and Technology, Shinshu University, Nagano, Japan
| | - Tomohisa Takagi
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Akihiko Muto
- Department of Biochemistry, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Kazuhiko Igarashi
- Department of Biochemistry, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yuji Naito
- Department of Human Immunology and Nutrition Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yasuki Higashimura
- Department of Food Science, Ishikawa Prefectural University, Nonoichi, Japan
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7
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Han JP, Nam YR, Chung HY, Lee H, Yeom SC. Polyphenol-Enabled 2D Nanopatch for Enhanced Nasal Mucoadhesion and Immune Activation. NANO LETTERS 2024; 24:10380-10387. [PMID: 39120059 DOI: 10.1021/acs.nanolett.4c03228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
The advancement of effective nasal mucoadhesive delivery faces challenges due to rapid mucociliary clearance (MCC). Conventional studies have employed mucoadhesive materials, mainly forming spherical nanoparticles, but these offer limited adhesion to the nasal mucosa. This study hypothesizes that a 2D nanoscale structure utilizing adhesive polyphenols can provide a superior strategy for countering MCC, aligning with the planar mucosal layers. We explore the use of tannic acid (TA), a polyphenolic molecule known for its adhesive properties and ability to form complexes with biomolecules. Our study introduces an unprecedented 2D nanopatch, assembled through the interaction of TA with green fluorescent protein (GFP), and cell-penetrating peptide (CPP). This 2D nanopatch demonstrates robust adhesion to nasal mucosa and significantly enhances immunoglobulin A secretions, suggesting its potential for enhancing nasal vaccine delivery. The promise of a polyphenol-enabled adhesive 2D nanopatch signifies a pivotal shift from conventional spherical nanoparticles, opening new pathways for delivery strategies through respiratory mucoadhesion.
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Affiliation(s)
- Jeong Pil Han
- Graduate School of International Agricultural Technology and Institute of Green Bio Science and Technology, Seoul National University, Pyeongchang, Gangwon 25354, Republic of Korea
| | - Yu Ri Nam
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Hye Yoon Chung
- Graduate School of International Agricultural Technology and Institute of Green Bio Science and Technology, Seoul National University, Pyeongchang, Gangwon 25354, Republic of Korea
| | - Haeshin Lee
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Su Cheong Yeom
- Graduate School of International Agricultural Technology and Institute of Green Bio Science and Technology, Seoul National University, Pyeongchang, Gangwon 25354, Republic of Korea
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8
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Li Q, Liu D, Liang M, Zhu Y, Yousaf M, Wu Y. Mechanism of probiotics in the intervention of colorectal cancer: a review. World J Microbiol Biotechnol 2024; 40:306. [PMID: 39160377 DOI: 10.1007/s11274-024-04112-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2024] [Accepted: 08/13/2024] [Indexed: 08/21/2024]
Abstract
The human microbiome interacts with the host mainly in the intestinal lumen, where putrefactive bacteria are suggested to promote colorectal cancer (CRC). In contrast, probiotics and their isolated components and secreted substances, display anti-tumor properties due to their ability to modulate gut microbiota composition, promote apoptosis, enhance immunity, resist oxidation and alter metabolism. Probiotics help to form a solid intestinal barrier against damaging agents via altering the gut microbiota and preventing harmful microbes from colonization. Probiotic strains that specifically target essential proteins involved in the process of apoptosis can overcome CRC resistance to apoptosis. They can increase the production of anti-inflammatory cytokines, essential in preventing carcinogenesis, and eliminate cancer cells by activating T cell-mediated immune responses. There is a clear indication that probiotics optimize the antioxidant system, decrease radical generation, and detect and degrade potential carcinogens. In this review, the pathogenic mechanisms of pathogens in CRC and the recent insights into the mechanism of probiotics in CRC prevention and therapy are discussed to provide a reference for the actual application of probiotics in CRC.
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Affiliation(s)
- Qinqin Li
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Dongmei Liu
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China.
| | - Minghua Liang
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Yichao Zhu
- Laboratory of Cell Engineering, Research Unit of Cell Death Mechanism, Beijing Institute of Biotechnology, Chinese Academy of Medical Sciences (2021RU008), Beijing, 100071, China
| | - Muhammad Yousaf
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Yaping Wu
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China
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9
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Tsujii A, Takahashi K, Harada H, Kawashima S, Oikawa H, Fukushima H, Hayakawa Y, Koizumi J, Inoue N, Koshizuka T. Evaluation of the protective effect of the intranasal vaccines adjuvanted with bacterium-like particles against intestinal infection. Vaccine 2024; 42:125975. [PMID: 38763852 DOI: 10.1016/j.vaccine.2024.05.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 04/14/2024] [Accepted: 05/13/2024] [Indexed: 05/21/2024]
Abstract
Mucosal vaccination presents a promising complement to parenteral vaccination. Bacterium-like particles (BLPs), peptidoglycan structures prepared from lactic acid bacteria, are explored as potential nasal vaccine adjuvants for respiratory infections. To date, studies on BLP-adjuvanted nasal vaccines against intestinal infections have remained limited. In this study, we demonstrated the efficacy of intranasal BLP-adjuvanted vaccination in controlling intestinal infections using the Citrobacter rodentium (C. rodentium) model in C57BL/6 mice. Intranasal vaccination of Intimin, an adhesin critical for intimate bacterial adhesion to colonic epithelial cells, combined with BLP (BLP+I) elicited robust Intimin-specific intestinal secretory IgA production, reduced bacterial load in feces and almost completely inhibited colonic hyperplasia, a characteristic symptom of C. rodentium infection in mice. Conversely, parenteral vaccination with Alhydrogel-adjuvanted Intimin failed to induce intestinal Intimin-specific IgA production, resulting in poor protection against C. rodentium infection. This underscores the pivotal role of mucosal IgA responses elicited by intranasal immunization in its protective efficacy. As this study did not delineate the precise protective mechanism conferred by BLP+I intranasal immunization against C. rodentium infection, further elucidation of the mechanisms underlying intranasal BLP+I immunization is required.
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MESH Headings
- Animals
- Administration, Intranasal
- Mice, Inbred C57BL
- Mice
- Citrobacter rodentium/immunology
- Citrobacter rodentium/pathogenicity
- Enterobacteriaceae Infections/prevention & control
- Enterobacteriaceae Infections/immunology
- Bacterial Vaccines/immunology
- Bacterial Vaccines/administration & dosage
- Antibodies, Bacterial/immunology
- Antibodies, Bacterial/blood
- Female
- Adjuvants, Immunologic/administration & dosage
- Adhesins, Bacterial/immunology
- Adjuvants, Vaccine/administration & dosage
- Immunity, Mucosal
- Immunoglobulin A, Secretory/immunology
- Immunoglobulin A/immunology
- Disease Models, Animal
- Intestinal Diseases/prevention & control
- Intestinal Diseases/immunology
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Affiliation(s)
- Ayato Tsujii
- Laboratory of Microbiology and Immunology, Gifu Pharmaceutical University, Gifu, Japan
| | - Keita Takahashi
- Laboratory of Microbiology and Immunology, Gifu Pharmaceutical University, Gifu, Japan.
| | - Haruki Harada
- Laboratory of Microbiology and Immunology, Gifu Pharmaceutical University, Gifu, Japan
| | - Sarana Kawashima
- Laboratory of Microbiology and Immunology, Gifu Pharmaceutical University, Gifu, Japan
| | - Hina Oikawa
- Laboratory of Microbiology and Immunology, Gifu Pharmaceutical University, Gifu, Japan
| | - Hiroki Fukushima
- Laboratory of Microbiology and Immunology, Gifu Pharmaceutical University, Gifu, Japan
| | - Yuta Hayakawa
- Laboratory of Microbiology and Immunology, Gifu Pharmaceutical University, Gifu, Japan
| | - Juri Koizumi
- Laboratory of Microbiology and Immunology, Gifu Pharmaceutical University, Gifu, Japan
| | - Naoki Inoue
- Laboratory of Microbiology and Immunology, Gifu Pharmaceutical University, Gifu, Japan
| | - Tetsuo Koshizuka
- Laboratory of Microbiology and Immunology, Gifu Pharmaceutical University, Gifu, Japan
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10
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Zhong K, Chen X, Zhang J, Jiang X, Zhang J, Huang M, Bi S, Ju C, Luo Y. Recent Advances in Oral Vaccines for Animals. Vet Sci 2024; 11:353. [PMID: 39195807 PMCID: PMC11360704 DOI: 10.3390/vetsci11080353] [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: 07/01/2024] [Revised: 07/29/2024] [Accepted: 08/02/2024] [Indexed: 08/29/2024] Open
Abstract
Compared to traditional injected vaccines, oral vaccines offer significant advantages for the immunization of livestock and wildlife due to their ease of use, high compliance, improved safety, and potential to stimulate mucosal immune responses and induce systemic immunity against pathogens. This review provides an overview of the delivery methods for oral vaccines, and the factors that influence their immunogenicity. We also highlight the global progress and achievements in the development and use of oral vaccines for animals, shedding light on potential future applications in this field.
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Affiliation(s)
- Kaining Zhong
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510640, China; (K.Z.); (X.C.); (J.Z.); (X.J.); (J.Z.); (M.H.)
| | - Xinting Chen
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510640, China; (K.Z.); (X.C.); (J.Z.); (X.J.); (J.Z.); (M.H.)
| | - Junhao Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510640, China; (K.Z.); (X.C.); (J.Z.); (X.J.); (J.Z.); (M.H.)
| | - Xiaoyu Jiang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510640, China; (K.Z.); (X.C.); (J.Z.); (X.J.); (J.Z.); (M.H.)
| | - Junhui Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510640, China; (K.Z.); (X.C.); (J.Z.); (X.J.); (J.Z.); (M.H.)
| | - Minyi Huang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510640, China; (K.Z.); (X.C.); (J.Z.); (X.J.); (J.Z.); (M.H.)
| | - Shuilian Bi
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan 528458, China;
| | - Chunmei Ju
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510640, China; (K.Z.); (X.C.); (J.Z.); (X.J.); (J.Z.); (M.H.)
- Key Laboratory of Animal Vaccine Development of the Ministry of Agriculture and Rural Affairs, South China Agricultural University, Guangzhou 510640, China
| | - Yongwen Luo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510640, China; (K.Z.); (X.C.); (J.Z.); (X.J.); (J.Z.); (M.H.)
- Key Laboratory of Animal Vaccine Development of the Ministry of Agriculture and Rural Affairs, South China Agricultural University, Guangzhou 510640, China
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11
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Fekrvand S, Abolhassani H, Rezaei N. An overview of early genetic predictors of IgA deficiency. Expert Rev Mol Diagn 2024; 24:715-727. [PMID: 39087770 DOI: 10.1080/14737159.2024.2385521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Accepted: 07/24/2024] [Indexed: 08/02/2024]
Abstract
INTRODUCTION Inborn errors of immunity (IEIs) refer to a heterogeneous category of diseases with defects in the number and/or function of components of the immune system. Immunoglobulin A (IgA) deficiency is the most prevalent IEI characterized by low serum level of IgA and normal serum levels of IgG and/or IgM. Most of the individuals with IgA deficiency are asymptomatic and are only identified through routine laboratory tests. Others may experience a wide range of clinical features including mucosal infections, allergies, and malignancies as the most important features. IgA deficiency is a multi-complex disease, and the exact pathogenesis of it is still unknown. AREAS COVERED This review compiles recent research on genetic and epigenetic factors that may contribute to the development of IgA deficiency. These factors include defects in B-cell development, IgA class switch recombination, synthesis, secretion, and the long-term survival of IgA switched memory B cells and plasma cells. EXPERT OPINION A better and more comprehensive understanding of the cellular pathways involved in IgA deficiency could lead to personalized surveillance and potentially curative strategies for affected patients, especially those with severe symptoms.
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Affiliation(s)
- Saba Fekrvand
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Primary Immunodeficiency Diseases Network (PIDNet), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Hassan Abolhassani
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Division of Clinical Immunology, Department of Biosciences and Nutrition, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Primary Immunodeficiency Diseases Network (PIDNet), Universal Scientific Education and Research Network (USERN), Tehran, Iran
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12
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Leite ACL, Nascimento TP, da Cunha MNC, Mehari Y, Berger E, Scheich D, Lingg N, Jungbauer A. Purification of secretory IgA monoclonal antibodies enriched fraction directly from cell culture medium using aqueous two-phase systems. Int J Biol Macromol 2024; 275:133581. [PMID: 38960262 DOI: 10.1016/j.ijbiomac.2024.133581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Revised: 06/11/2024] [Accepted: 06/29/2024] [Indexed: 07/05/2024]
Abstract
Secretory immunoglobulin A [sIgA] is a promising candidate for enteric therapeutics applications, and several sIgA-based constructs are currently being developed by groups utilizing clarified Chinese hamster ovary [CHO] cell culture supernatants. To the monoclonal antibody downstream processing typically entails chromatography-based purification processes beginning with Protein A chromatography. In this paper, aqueous two-phase systems [ATPS] were employed for the preliminary purification of secretory immunoglobulin A [sIgA] monoclonal antibody [mAb] from clarified CHO-cell culture supernatants. A 24 full factorial design was utilized. The influence of various process parameters such as pH, PEG molecular weight [MPEG], PEG concentration [CPEG], and phosphate salt concentration [CPHO], on the sIgA partition coefficient [K sIgA] and the recovery index [Y] in the PEG phase were evaluated. The Elisa assay revealed that, in the ATPS conditions tested, sIgA mAb was mostly detected in PEG upper phase. Run 14 with the highest sIgA activity exhibited the following conditions: MPEG 8.000 g/mol, CPEG 12,5 %, pH 7,0 and CPHO 10 %, and a sIgA K of 94.50 and a recovery index [Y] of 33.52 %. The proposed platform provides straightforward implementation, yields comparable results, and offers significantly improved economics for manufacturing sIgA mAb biotherapeutics.
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Affiliation(s)
- Ana Cristina Lima Leite
- Biotechnology and Blood Products Laboratory, Department of Pharmaceutical Sciences, Federal University of Pernambuco, Avenida Artur de Sá, 50740-520 Recife, Pernambuco, Brazil.
| | - Thiago Pajeú Nascimento
- Federal Rural University of Pernambuco, Laboratory of Bioactive Products and Technology, Department of Morphology and Animal Physiology Animal, Av. Dom Manoel de Medeiros, s/n, 52171-900 Recife, Pernambuco, Brazil
| | | | - Yirgaalem Mehari
- Department of Biotechnology, Institute of Bioprocess Science and Engineering, University of Natural Resources and Life Sciences, Muthgasse 18, 1190 Vienna, Austria; Austrian Centre of Industrial Biotechnology [ACIB], Muthgasse 18, 1190 Vienna, Austria
| | - Eva Berger
- Department of Biotechnology, Institute of Bioprocess Science and Engineering, University of Natural Resources and Life Sciences, Muthgasse 18, 1190 Vienna, Austria; Austrian Centre of Industrial Biotechnology [ACIB], Muthgasse 18, 1190 Vienna, Austria
| | - David Scheich
- Department of Biotechnology, Institute of Bioprocess Science and Engineering, University of Natural Resources and Life Sciences, Muthgasse 18, 1190 Vienna, Austria; Austrian Centre of Industrial Biotechnology [ACIB], Muthgasse 18, 1190 Vienna, Austria
| | - Nico Lingg
- Department of Biotechnology, Institute of Bioprocess Science and Engineering, University of Natural Resources and Life Sciences, Muthgasse 18, 1190 Vienna, Austria; Austrian Centre of Industrial Biotechnology [ACIB], Muthgasse 18, 1190 Vienna, Austria
| | - Alois Jungbauer
- Department of Biotechnology, Institute of Bioprocess Science and Engineering, University of Natural Resources and Life Sciences, Muthgasse 18, 1190 Vienna, Austria; Austrian Centre of Industrial Biotechnology [ACIB], Muthgasse 18, 1190 Vienna, Austria.
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13
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Kpodo KR, Miska KB, Schreier LL, Proszkowiec-Weglarz M. Expression of genes related to ileal barrier function in heritage and modern broiler chickens. Br Poult Sci 2024; 65:437-447. [PMID: 38717281 DOI: 10.1080/00071668.2024.2337187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 03/16/2024] [Indexed: 07/27/2024]
Abstract
1. An experiment was conducted to determine differences in the expression of genes encoding intestinal barrier proteins between fast, medium and slow-growing chickens. Chicken breeds Athens Canadian Random Bred (ACRB), Longenecker's Heritage (LHR), RedBro, Hubbard H1 (HH1), Cobb500 and Ross708 were raised from hatch for 35 d.2. Ileal samples were collected at embryonic day E19 (-2 days post-hatch), hatch and d 7, 14, 21, 28 and 35 post-hatch to assess the expression of genes encoding tight junction proteins (claudins, CLDN; occludin, OCLN; zonula occludens, ZO; and junctional adhesion molecules, JAM), mucin (Muc2), immunoglobulin A (IgA), polymeric immunoglobulin receptor (pIgR) and fatty acid binding protein (FABP2).3. Expression of CLDN-1 was increased (p < 0.0001) in LHR compared to Cobb500 while CLDN-5 was increased (p < 0.0001) in ACRB, HH1, RedBro and Ross708 compared to LHR as well as in ACRB compared to Cob500. Occludin was upregulated (p = 0.01) in ACRB and LHR compared to Ross708 at d 14 post-hatch. Expression of ZO-1 was upregulated (p = 0.001) in LHR compared to Ross708, HH1 and Cobb500. Tight junction genes, except CLDN-4, JAM-2 and JAM-3 were downregulated (p < 0.0001) at hatch and d 7 post-hatch. Expression of Muc2 was increased (p < 0.0001) in LHR compared to RedBro and from -2 d to d 7 post-hatch.4. Immunoglobulin A was increased (p = 0.001) in LHR compared to Ross708 and HH1 at -2 d post-hatch and in LHR compared to ACRB, Cobb500 and Ross708 at hatch. In addition, IgA expression was increased in all breeds at d 14 post-hatch while pIgR was upregulated (p = 0.02) in Cobb500 and Ross708 compared to ACRB, HH1, LHR and RedBro at hatch.5. The gene expression patterns suggest that selection for growth may have not induced changes in junctional complexes and immune defence genes. However, the results confirmed that the expression of these genes is age dependent.
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Affiliation(s)
- K R Kpodo
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, USA
| | - K B Miska
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, USA
| | - L L Schreier
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, USA
| | - M Proszkowiec-Weglarz
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, USA
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14
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Covello C, Becherucci G, Di Vincenzo F, Del Gaudio A, Pizzoferrato M, Cammarota G, Gasbarrini A, Scaldaferri F, Mentella MC. Parenteral Nutrition, Inflammatory Bowel Disease, and Gut Barrier: An Intricate Plot. Nutrients 2024; 16:2288. [PMID: 39064731 PMCID: PMC11279609 DOI: 10.3390/nu16142288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2024] [Revised: 07/14/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024] Open
Abstract
Malnutrition poses a critical challenge in inflammatory bowel disease, with the potential to detrimentally impact medical treatment, surgical outcomes, and general well-being. Parenteral nutrition is crucial in certain clinical scenarios, such as with patients suffering from short bowel syndrome, intestinal insufficiency, high-yielding gastrointestinal fistula, or complete small bowel obstruction, to effectively manage malnutrition. Nevertheless, research over the years has attempted to define the potential effects of parenteral nutrition on the intestinal barrier and the composition of the gut microbiota. In this narrative review, we have gathered and analyzed findings from both preclinical and clinical studies on this topic. Based on existing evidence, there is a clear correlation between short- and long-term parenteral nutrition and negative effects on the intestinal system. These include mucosal atrophic damage and immunological and neuroendocrine dysregulation, as well as alterations in gut barrier permeability and microbiota composition. However, the mechanistic role of these changes in inflammatory bowel disease remains unclear. Therefore, further research is necessary to effectively address the numerous gaps and unanswered questions pertaining to these issues.
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Affiliation(s)
- Carlo Covello
- Gastroenterology Department, Centro di Malattie dell’Apparato Digerente (CEMAD), Center for Diagnosis and Treatment of Digestive Diseases, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (C.C.); (F.D.V.); (A.D.G.); (A.G.)
| | - Guia Becherucci
- UOS Malattie Infiammatorie Croniche Intestinali, Centro di Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (G.B.); (F.S.)
| | - Federica Di Vincenzo
- Gastroenterology Department, Centro di Malattie dell’Apparato Digerente (CEMAD), Center for Diagnosis and Treatment of Digestive Diseases, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (C.C.); (F.D.V.); (A.D.G.); (A.G.)
| | - Angelo Del Gaudio
- Gastroenterology Department, Centro di Malattie dell’Apparato Digerente (CEMAD), Center for Diagnosis and Treatment of Digestive Diseases, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (C.C.); (F.D.V.); (A.D.G.); (A.G.)
| | - Marco Pizzoferrato
- UOC Gastroenterologia, Dipartimento di Scienze Mediche e Chirurgiche, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (M.P.); (G.C.)
| | - Giovanni Cammarota
- UOC Gastroenterologia, Dipartimento di Scienze Mediche e Chirurgiche, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (M.P.); (G.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Antonio Gasbarrini
- Gastroenterology Department, Centro di Malattie dell’Apparato Digerente (CEMAD), Center for Diagnosis and Treatment of Digestive Diseases, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (C.C.); (F.D.V.); (A.D.G.); (A.G.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Franco Scaldaferri
- UOS Malattie Infiammatorie Croniche Intestinali, Centro di Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (G.B.); (F.S.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Maria Chiara Mentella
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
- UOC di Nutrizione Clinica, Dipartimento Scienze Mediche e Chirurgiche Addominali ed Endocrino-Metaboliche, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
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15
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Kumar Bharathkar S, Stadtmueller BM. Structural and Biochemical Requirements for Secretory Component Interactions with Dimeric IgA. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 213:226-234. [PMID: 38809110 PMCID: PMC11233122 DOI: 10.4049/jimmunol.2300717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 05/06/2024] [Indexed: 05/30/2024]
Abstract
Secretory (S) IgA is the predominant mucosal Ab that protects host epithelial barriers and promotes microbial homeostasis. SIgA production occurs when plasma cells assemble two copies of monomeric IgA and one joining chain (JC) to form dimeric (d) IgA, which is bound by the polymeric Ig receptor (pIgR) on the basolateral surface of epithelial cells and transcytosed to the apical surface. There, pIgR is proteolytically cleaved, releasing SIgA, a complex of the dIgA and the pIgR ectodomain, called the secretory component (SC). The pIgR's five Ig-like domains (D1-D5) undergo a conformational change upon binding dIgA, ultimately contacting four IgA H chains and the JC in SIgA. In this study, we report structure-based mutational analysis combined with surface plasmon resonance binding assays that identify key residues in mouse SC D1 and D3 that mediate SC binding to dIgA. Residues in D1 CDR3 are likely to initiate binding, whereas residues that stabilize the D1-D3 interface are likely to promote the conformational change and stabilize the final SIgA structure. Additionally, we find that the JC's three C-terminal residues play a limited role in dIgA assembly but a significant role in pIgR/SC binding to dIgA. Together, these results inform models for the intricate mechanisms underlying IgA transport across epithelia and functions in the mucosa.
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Affiliation(s)
- Sonya Kumar Bharathkar
- Department of Biochemistry, University of Illinois Urbana-Champaign, Urbana, Illinois 61801 USA
| | - Beth M. Stadtmueller
- Department of Biochemistry, University of Illinois Urbana-Champaign, Urbana, Illinois 61801 USA
- Department of Biomedical and Translational Sciences, Carle Illinois College of Medicine, University of Illinois Urbana-Champaign, Urbana, Illinois 61801 USA
- Carl R. Woese Institute of Genomic Biology
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16
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Li Y, Xue J, Zhang Z, Wang W, Wang Y, Zhang W. Alteration of gut microbiota in Henoch-Schönlein purpura children with gastrointestinal involvement. Ir J Med Sci 2024:10.1007/s11845-024-03750-1. [PMID: 38967706 DOI: 10.1007/s11845-024-03750-1] [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: 05/28/2024] [Accepted: 06/29/2024] [Indexed: 07/06/2024]
Abstract
BACKGROUND The compositional and structural changes of gut microbiota were closely related to the status of Henoch-Schönlein purpura (HSP). AIMS To investigate if clinical indicators and gut microbiota differ between HSP patients with or without gastrointestinal (GI) involvement and to explore the alterations of fecal microbiota in HSP children with and without GI symptoms. METHODS A total of 22 children with HSP were enrolled in the study. Fecal microbiota composition was analyzed by 16S rRNA sequencing. Clinical indicators, fecal microbial diversity, and compositions were compared between the two groups. RESULTS Respectively, 9 patients with GI involvement (HSP-A) and 13 patients without GI involvement (HSP-N) were enrolled. Prealbumin (PA) and the ratio of immunoglobulin A (IgA) / complement (C)3 were significantly decreased in the HSP-A group and an elevated D-dimer was found in the HSP-N group. The relative abundances of Blautia, Lachnospira, and Haemophilus were significantly higher in the HSP-A group compared to HSP-N. Lower levels of unidentified Prevotellaceae, Parabacteroides, and Romboutsia were found in HSP-A patients. The linear discriminant analysis effect size (LEfSe) showed that the biomarkers for the HSP-A group included Blautia, Anaerostipes, Veillonella, Lachnospira, and Haemophilus. For the HSP-N group, unidentified Prevotellaceae, Intestinibacter, Romboutsia, and Akkermansia were the prominent biomarkers at the genus level. Additionally, the ratio of IgA/C3 exhibited a negative correlation with the genus Blautia. Meanwhile, PA showed negatively correlation with Veillonella. CONCLUSIONS These results provide a broader understanding for future microbial-based therapies to decrease the development of GI involvement and improve the clinical outcome of HSP in children.
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Affiliation(s)
- Ye Li
- Department of Pediatrics, The Second Hospital, Cheeloo College of Medicine, Shandong University, 247 Beiyuan Avenue, Jinan, 250012, Shandong, China
| | - Jiang Xue
- Department of Pediatrics, The Second Hospital, Cheeloo College of Medicine, Shandong University, 247 Beiyuan Avenue, Jinan, 250012, Shandong, China
| | - Zhaohua Zhang
- Department of Pediatrics, The Second Hospital, Cheeloo College of Medicine, Shandong University, 247 Beiyuan Avenue, Jinan, 250012, Shandong, China
| | - Wei Wang
- Department of Respiratory Medicine, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250012, China
| | - Yulong Wang
- Department of Pediatrics, The Second Hospital, Cheeloo College of Medicine, Shandong University, 247 Beiyuan Avenue, Jinan, 250012, Shandong, China.
| | - Weiquan Zhang
- Department of Thoracic Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250012, China.
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17
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KOYAMA S, ITO K, USAMI K, WADA S, YAMASHITA T, IKEDA-OHTSUBO W, KITAZAWA H, HIRAKAWA R, ISLAM J, FURUKAWA M, NOCHI T. Broad specificity of monoclonal IgA (TEPC15-IgA) for enteric bacteria via phosphorylcholine-mediated interaction. J Vet Med Sci 2024; 86:801-808. [PMID: 38839348 PMCID: PMC11251817 DOI: 10.1292/jvms.23-0441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Accepted: 05/13/2024] [Indexed: 06/07/2024] Open
Abstract
Immunoglobulin A (IgA) is notable for its broad specificity toward multiple bacteria. Phosphorylcholine (PC) plays a role in the infection of pathogenic bacteria carrying PC and in the induction of IgA responses in the host immune system. The commercially available mouse monoclonal IgA, TEPC15-IgA, is a distinctive antibody with specificity for PC, warranting further exploration of its response to PC-bearing enteric bacteria. In this study, using 17 different enteric bacteria, including 3 aerobic and 14 anerobic bacteria that could be cultured in vitro, we confirmed that TEPC15-IgA recognizes 4 bacterial species: Lactobacillus taiwanensis, Limosilactobacillus frumenti, Streptococcus infantis, and Escherichia coli, although reactivity varied. Interestingly, TEPC15-IgA did not react with four of six Lactobacillus species used. Moreover, distinct target molecules associated with PC in L. taiwanensis and L. frumenti were evident, differing in molecular weight. These findings suggest that the natural generation of PC-specific IgA could prevent PC-mediated infections and potentially facilitate the formation of a microflora rich in indigenous bacteria with PC, particularly in the gastrointestinal tract.
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Affiliation(s)
- Saeka KOYAMA
- International Education and Research Center for Food and Agricultural Immunology, Graduate School of Agricultural Science, Tohoku University, Miyagi,
Japan
| | - Kaori ITO
- International Education and Research Center for Food and Agricultural Immunology, Graduate School of Agricultural Science, Tohoku University, Miyagi,
Japan
| | - Katsuki USAMI
- International Education and Research Center for Food and Agricultural Immunology, Graduate School of Agricultural Science, Tohoku University, Miyagi,
Japan
| | - Shino WADA
- International Education and Research Center for Food and Agricultural Immunology, Graduate School of Agricultural Science, Tohoku University, Miyagi,
Japan
| | - Tsukasa YAMASHITA
- International Education and Research Center for Food and Agricultural Immunology, Graduate School of Agricultural Science, Tohoku University, Miyagi,
Japan
| | - Wakako IKEDA-OHTSUBO
- International Education and Research Center for Food and Agricultural Immunology, Graduate School of Agricultural Science, Tohoku University, Miyagi,
Japan
| | - Haruki KITAZAWA
- International Education and Research Center for Food and Agricultural Immunology, Graduate School of Agricultural Science, Tohoku University, Miyagi,
Japan
| | - Ryota HIRAKAWA
- International Education and Research Center for Food and Agricultural Immunology, Graduate School of Agricultural Science, Tohoku University, Miyagi,
Japan
| | - Jahidul ISLAM
- International Education and Research Center for Food and Agricultural Immunology, Graduate School of Agricultural Science, Tohoku University, Miyagi,
Japan
| | - Mutsumi FURUKAWA
- International Education and Research Center for Food and Agricultural Immunology, Graduate School of Agricultural Science, Tohoku University, Miyagi,
Japan
| | - Tomonori NOCHI
- International Education and Research Center for Food and Agricultural Immunology, Graduate School of Agricultural Science, Tohoku University, Miyagi,
Japan
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18
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Miao Y, Xie X, Zhang Y, Ma X, Zhu X, Li R, Bi J, Duan R, Ai X. Analysis of differentially expressed lncRNAs and mRNAs associated with slow‑transit constipation. Gene 2024; 914:148400. [PMID: 38527672 DOI: 10.1016/j.gene.2024.148400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 03/12/2024] [Accepted: 03/20/2024] [Indexed: 03/27/2024]
Abstract
Slow transit constipation (STC) is a refractory gastrointestinal disease, accounting for approximately 13 ∼ 37 % of chronic constipation. However, the molecular mechanism of STC remains poorly understood. Herein, this study aims to identify the key mRNAs and lncRNAs associated with STC. To this end, we performed high-throughput RNA sequencing to identify differentially expressed (DE) mRNAs and lncRNAs in the whole-layer sigmoid intestinal tissues from 4 STC patients and 4 non-STC patients. The identified DE lncRNAs and mRNAs were validated through quantitative real-time PCR. Weighted gene co-expression network analysis (WGCNA) and Pearson correlation analysis were conducted to determine the significantly correlated DE mRNA-lncRNA pairs. A total of 1420 DE lncRNAs and 1634 DE mRNAs were identified. Kyoto Encyclopedia of Genes and Genomes analysis of DE mRNAs indicated that these DE mRNAs might be associated with systemic lupus erythematosus, alcoholism, intestinal immune network for IgA production, inflammatory bowel disease, NF-kappa B signaling pathway. WGCNA and Pearson correlation analyses jointly identified 16,577 significantly correlated DE mRNA-lncRNA pairs. Furthermore, lncRNAs LINC00641, LINC02268, LINC03013 were identified as hub lncRNAs. The protein-protein interaction (PPI) network of proteins encoded by DE mRNAs was established, and PPI-based analysis revealed that Interleukin 2(IL2), CD80 molecule (CD80), interleukin-17A (IL-17A) might play significant roles in the development of STC. This study analyzes the expression profiles of lncRNAs and mRNAs associated with STC. Our findings will contribute to further understanding of the molecular mechanism of STC and provide potential diagnostic or therapeutic biomarkers for STC.
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Affiliation(s)
- Yuanxin Miao
- Research Institute of Agricultural Biotechnology, Jingchu University of Technology, Jingmen 448000, China
| | - Xiongwei Xie
- Clinical Medical Research Center for Functional Colon Diseases of Hubei Province, Jingmen Central Hospital, Hubei Province, China
| | - Yonglian Zhang
- Clinical Medical Research Center for Functional Colon Diseases of Hubei Province, Jingmen Central Hospital, Hubei Province, China
| | - Xu Ma
- Clinical Medical Research Center for Functional Colon Diseases of Hubei Province, Jingmen Central Hospital, Hubei Province, China
| | - Xiaoxuan Zhu
- Clinical Medical Research Center for Functional Colon Diseases of Hubei Province, Jingmen Central Hospital, Hubei Province, China
| | - Rong Li
- Research Institute of Agricultural Biotechnology, Jingchu University of Technology, Jingmen 448000, China
| | - Jinhua Bi
- Research Institute of Agricultural Biotechnology, Jingchu University of Technology, Jingmen 448000, China
| | - Rui Duan
- Clinical Medical Research Center for Functional Colon Diseases of Hubei Province, Jingmen Central Hospital, Hubei Province, China.
| | - Xu Ai
- Clinical Medical Research Center for Functional Colon Diseases of Hubei Province, Jingmen Central Hospital, Hubei Province, China.
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19
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Qiu Q, Fu F, Wu Y, Han C, Pu W, Wen L, Xia Q, Du D. Rhei Radix et Rhizoma and its anthraquinone derivatives: Potential candidates for pancreatitis treatment. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 129:155708. [PMID: 38733906 DOI: 10.1016/j.phymed.2024.155708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/22/2024] [Accepted: 05/02/2024] [Indexed: 05/13/2024]
Abstract
BACKGROUND Pancreatitis is a common exocrine inflammatory disease of the pancreas and lacks specific medication currently. Rhei Radix et Rhizoma (RR) and its anthraquinone derivatives (AQs) have been successively reported for their pharmacological effects and molecular mechanisms in experimental and clinical pancreatitis. However, an overview of the anti-pancreatitis potential of RR and its AQs is limited. PURPOSE To summarize and analyze the pharmacological effects of RR and its AQs on pancreatitis and the underlying mechanisms, and discuss their drug-like properties and future perspectives. METHODS The articles related to RR and its AQs were collected from the Chinese National Knowledge Infrastructure, Wanfang data, PubMed, and the Web of Science using relevant keywords from the study's inception until April first, 2024. Studies involving RR or its AQs in cell or animal pancreatitis models as well as structure-activity relationship, pharmacokinetics, toxicology, and clinical trials were included. RESULTS Most experimental studies are based on severe acute pancreatitis rat models and a few on chronic pancreatitis. Several bioactive anthraquinone derivatives of Rhei Radix et Rhizoma (RRAQs) exert local protective effects on the pancreas by maintaining pancreatic acinar cell homeostasis, inhibiting inflammatory signaling, and anti-fibrosis, and they improve systemic organ function by alleviating intestinal and lung injury. Pharmacokinetic and toxicity studies have revealed the low bioavailability and wide distribution of RRAQs, as well as hepatotoxicity and nephrotoxicity. However, there is insufficient research on the clinical application of RRAQs in pancreatitis. Furthermore, we propose effective strategies for subsequent improvement in terms of balancing effectiveness and safety. CONCLUSION RRAQs can be developed as either candidate drugs or novel lead structures for pancreatitis treatment. The comprehensive review of RR and its AQs provides references for optimizing drugs, developing therapies, and conducting future studies on pancreatitis.
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Affiliation(s)
- Qi Qiu
- West China Center of Excellence for Pancreatitis, Institute of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Fei Fu
- Advanced Mass Spectrometry Center, Research Core Facility, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610213, China
| | - Yaling Wu
- Advanced Mass Spectrometry Center, Research Core Facility, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610213, China
| | - Chenxia Han
- West China Center of Excellence for Pancreatitis, Institute of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Weiling Pu
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Li Wen
- State Key Laboratory of Complex, Severe, and Rare Diseases, Center for Biomarker Discovery and Validation, National Infrastructures for Translational Medicine (PUMCH), Institute of Clinical Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Beijing 100073, China
| | - Qing Xia
- West China Center of Excellence for Pancreatitis, Institute of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Dan Du
- West China Center of Excellence for Pancreatitis, Institute of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu 610041, China; Advanced Mass Spectrometry Center, Research Core Facility, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610213, China.
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20
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Hua K, Liu D, Xu Q, Peng Y, Sun Y, He R, Luo R, Jin H. The role of hormones in the regulation of lactogenic immunity in porcine and bovine species. Domest Anim Endocrinol 2024; 88:106851. [PMID: 38733944 DOI: 10.1016/j.domaniend.2024.106851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 04/17/2024] [Accepted: 04/17/2024] [Indexed: 05/13/2024]
Abstract
Colostrum and milk offer a complete diet and vital immune protection for newborn mammals with developing immune systems. High immunoglobulin levels in colostrum serve as the primary antibody source for newborn piglets and calves. Subsequent milk feeding support continued local antibody protection against enteric pathogens, as well as maturation of the developing immune system and provide nutrients for newborn growth. Mammals have evolved hormonal strategies that modulate the levels of immunoglobulins in colostrum and milk to facilitate effective lactational immunity. In addition, hormones regulate the gut-mammary gland-secretory immunoglobulin A (sIgA) axis in pregnant mammals, controlling the levels of sIgA in milk, which serves as the primary source of IgA for piglets and helps them resist pathogens such as PEDV and TGEV. In the present study, we review the existing studies on the interactions between hormones and the gut-mammary-sIgA axis/lactogenic immunity in mammals and explore the potential mechanisms of hormonal regulation that have not been studied in detail, to draw attention to the role of hormones in influencing the immune response of pregnant and lactating mammals and their offspring, and highlight the effect of hormones in regulating sIgA-mediated anti-infection processes in colostrum and milk. Discussion of the relationship between hormones and lactogenic immunity may lead to a better way of improving lactogenic immunity by determining a better injection time and developing new vaccines.
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Affiliation(s)
- Kexin Hua
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei, 430070, PR China
| | - Dan Liu
- China Institute of Veterinary Drug Control, Beijing 100081, PR China
| | - Qianshuai Xu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei, 430070, PR China
| | - Yuna Peng
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei, 430070, PR China
| | - Yu Sun
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei, 430070, PR China
| | - Rongrong He
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei, 430070, PR China
| | - Rui Luo
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei, 430070, PR China
| | - Hui Jin
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei, 430070, PR China.
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21
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Li L, Fan R, Chen Y, Zhang Q, Zhao X, Hu M, Lv Q, Luo Y, Xu X, Cai Y, Liu Y. Characterization, genome analysis, and therapeutic evaluation of a novel Salmonella phage vB_SalS_JNS02: a candidate bacteriophage for phage therapy. Poult Sci 2024; 103:103845. [PMID: 38788486 PMCID: PMC11144812 DOI: 10.1016/j.psj.2024.103845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 04/30/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
Phage therapy is gaining momentum as an alternative to antibiotics in the treatment of salmonellosis caused by Salmonella. In this study, a novel Salmonella phage, vB_SalS_JNS02, was isolated successfully from poultry farms in Shandong, China. The biological characteristics of vB_SalS_JNS02 were analysed, which revealed a short latent period of approximately 10 min and a burst size of 110 PFU/cell. Moreover, vB_SalS_JNS02 exhibited remarkable stability across a wide pH range (pH 3-12) and temperatures ranging from 30 to 80°C. Genome sequencing analysis provided valuable insights into the genetic composition of vB_SalS_JNS02, which consists of a double-stranded DNA genome that spans 42,450 base pairs and has a G + C content of 49.4%. Of significant importance, the genomic sequence of vB_SalS_JNS02 did not contain any genes related to lysogenicity, virulence, or antibiotic resistance. The phage's efficacy was evaluated in a larval challenge study. Treatment with the phage resulted in increased survival of Galleria mellonella larvae (100, 70, and 85%) (MOI 0.1) in the prophylactic treatment, co-infection treatment, and remedial treatment experiments, respectively. Another in vivo experiment investigated the potential application of the phage in broiler chickens and revealed that a single oral dose of vB_SalS_JNS02 (108 PFU/mL, 100 µL/chick) administered 3 h after S. enteritidis oral administration provided effective protection. The introduction of bacteriophage not only enhances the production of secretory immunoglobulin A (sIgA), but also induces alterations in the composition of the gut microbial community. Phage therapy increases the relative abundance of beneficial bacteria, which helps to maintain intestinal barrier homeostasis. However, it is unable to fully restore the disrupted intestinal microbiome caused by S. enteritidis infection. Importantly, no significant adverse effects were observed in the animal subjects following oral administration of the phage, and our findings highlight vB_SalS_JNS02 is a hopeful candidate as a promising tool to target Salmonella infections in poultry.
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Affiliation(s)
- Lulu Li
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, 250100, China; Key Laboratory of Livestock and Poultry Multi-omics of MARA, China-UK Joint Laboratory of Bacteriophage Engineering, Jinan, 250100, China
| | - Ruining Fan
- College of Animal Science and Technology, Shandong Agricultural University, Taian, 272018, China
| | - Yibao Chen
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, 250100, China; Key Laboratory of Livestock and Poultry Multi-omics of MARA, China-UK Joint Laboratory of Bacteriophage Engineering, Jinan, 250100, China
| | - Qing Zhang
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, 250100, China; Key Laboratory of Livestock and Poultry Multi-omics of MARA, China-UK Joint Laboratory of Bacteriophage Engineering, Jinan, 250100, China
| | - Xiaonan Zhao
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, 250100, China; Key Laboratory of Livestock and Poultry Multi-omics of MARA, China-UK Joint Laboratory of Bacteriophage Engineering, Jinan, 250100, China
| | - Ming Hu
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, 250100, China; Key Laboratory of Livestock and Poultry Multi-omics of MARA, China-UK Joint Laboratory of Bacteriophage Engineering, Jinan, 250100, China
| | - Qianghua Lv
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, 250100, China; Key Laboratory of Livestock and Poultry Multi-omics of MARA, China-UK Joint Laboratory of Bacteriophage Engineering, Jinan, 250100, China
| | - Yanbo Luo
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, 250100, China; Key Laboratory of Livestock and Poultry Multi-omics of MARA, China-UK Joint Laboratory of Bacteriophage Engineering, Jinan, 250100, China
| | - Xiaohui Xu
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, 250100, China; Key Laboratory of Livestock and Poultry Multi-omics of MARA, China-UK Joint Laboratory of Bacteriophage Engineering, Jinan, 250100, China
| | - Yumei Cai
- College of Animal Science and Technology, Shandong Agricultural University, Taian, 272018, China
| | - Yuqing Liu
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, 250100, China; Key Laboratory of Livestock and Poultry Multi-omics of MARA, China-UK Joint Laboratory of Bacteriophage Engineering, Jinan, 250100, China; Shandong vamph animal health products Co., LTD, Jinan, 250100.
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22
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Sanjaya HL, Maharani BP, Baskara AP, Muhlisin, Martien R, Zuprizal. Effect of lipopolysaccharides from pathogenic bacteria on broiler chickens' productivity: a meta-analysis. Br Poult Sci 2024:1-14. [PMID: 38940295 DOI: 10.1080/00071668.2024.2364331] [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: 11/15/2023] [Accepted: 05/06/2024] [Indexed: 06/29/2024]
Abstract
1. This meta-analysis investigated the impact of LPS and covariates (serotype, rearing period and administration route) on the productivity parameters of broiler chickens (average daily feed intake (ADFI), average daily gain (ADG) and feed conversion ratio (FCR)).2. Thirty-two eligible studies were included. Hedges' g effect size was determined using a random-effects model at 95% confidence interval.3. Results showed that LPS significantly decreased average daily feed intake (ADFI; p < 0.0001) and average daily gain (ADG; p < 0.0001) and increased FCR (p < 0.0001). The serotypes Escherichia coli 055: B5 (EC055: B5) and Escherichia coli 0127: B8 (EC 0127: B8) significantly reduced ADFI and ADG, and the serotype EC 055: B5 significantly increased the FCR (p < 0.05).4. The intraperitoneal administration of the LPS significantly reduced the productivity of broiler chickens (p < 0.05), but other administration routes did not show such effects. The reduction in ADFI and ADG was found in all rearing periods (p < 0.05), and the increase in FCR was observed in the starter (p = 0.0302) and grower periods (p = 0.0031).5. Exposure to LPS significantly reduced the productivity of broiler chickens (p < 0.05). However, no relationship was observed between LPS dosage and productivity as indicated by the meta-regression study.6. The findings indicated that LPS has detrimental effects on broiler chickens' ADFI, ADG and FCR across various LPS serotypes and rearing periods. These detrimental impacts of LPS remain consistent regardless of the administered dosage.
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Affiliation(s)
- H L Sanjaya
- Faculty of Animal Science, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - B P Maharani
- Faculty of Animal Science, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - A P Baskara
- Faculty of Animal Science, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Muhlisin
- Faculty of Animal Science, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - R Martien
- Faculty of Pharmacy, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Zuprizal
- Faculty of Animal Science, Universitas Gadjah Mada, Yogyakarta, Indonesia
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23
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Duan KL, Wang TX, You JW, Wang HN, Wang ZQ, Huang ZX, Zhang JY, Sun YP, Xiong Y, Guan KL, Ye D, Chen L, Liu R, Yuan HX. PCK2 maintains intestinal homeostasis and prevents colitis by protecting antibody-secreting cells from oxidative stress. Immunology 2024. [PMID: 38934051 DOI: 10.1111/imm.13827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024] Open
Abstract
Maintaining intracellular redox balance is essential for the survival, antibody secretion, and mucosal immune homeostasis of immunoglobulin A (IgA) antibody-secreting cells (ASCs). However, the relationship between mitochondrial metabolic enzymes and the redox balance in ASCs has yet to be comprehensively studied. Our study unveils the pivotal role of mitochondrial enzyme PCK2 in regulating ASCs' redox balance and intestinal homeostasis. We discover that PCK2 loss, whether globally or in B cells, exacerbates dextran sodium sulphate (DSS)-induced colitis due to increased IgA ASC cell death and diminished antibody production. Mechanistically, the absence of PCK2 diverts glutamine into the TCA cycle, leading to heightened TCA flux and excessive mitochondrial reactive oxygen species (mtROS) production. In addition, PCK2 loss reduces glutamine availability for glutathione (GSH) synthesis, resulting in a decrease of total glutathione level. The elevated mtROS and reduced GSH expose ASCs to overwhelming oxidative stress, culminating in cell apoptosis. Crucially, we found that the mitochondria-targeted antioxidant Mitoquinone (Mito-Q) can mitigate the detrimental effects of PCK2 deficiency in IgA ASCs, thereby alleviating colitis in mice. Our findings highlight PCK2 as a key player in IgA ASC survival and provide a potential new target for colitis treatment.
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Affiliation(s)
- Kun-Long Duan
- Shanghai Fifth People's Hospital, Molecular and Cell Biology Research Lab of Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Tian-Xiang Wang
- Shanghai Fifth People's Hospital, Molecular and Cell Biology Research Lab of Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Jian-Wei You
- Shanghai Key Laboratory of Metabolic Remodeling and Health, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
| | - Hai-Ning Wang
- Shanghai Fifth People's Hospital, Molecular and Cell Biology Research Lab of Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Zhi-Qiang Wang
- Department of Immunology, School of Basic Medical Sciences, Shanghai Key Laboratory of Medical Epigenetics and Metabolism, Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Zi-Xuan Huang
- Shanghai Fifth People's Hospital, Molecular and Cell Biology Research Lab of Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Jin-Ye Zhang
- Shanghai Fifth People's Hospital, Molecular and Cell Biology Research Lab of Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Yi-Ping Sun
- Shanghai Fifth People's Hospital, Molecular and Cell Biology Research Lab of Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Yue Xiong
- Cullgen Inc., San Diego, California, USA
| | - Kun-Liang Guan
- Department of Pharmacology and Moores Cancer Center, University of California San Diego, La Jolla, California, USA
| | - Dan Ye
- Shanghai Key Laboratory of Clinical Geriatric Medicine, Huadong Hospital of Fudan University, Key Laboratory of Metabolism and Molecular Medicine (Ministry of Education), Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism (Ministry of Science and Technology), Molecular and Cell Biology Research Lab of Institutes of Biomedical Sciences, Shanghai Medical College of Fudan University, Shanghai, China
| | - Li Chen
- Shanghai Key Laboratory of Metabolic Remodeling and Health, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
| | - Ronghua Liu
- Shanghai Fifth People's Hospital, Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Hai-Xin Yuan
- Shanghai Fifth People's Hospital, Molecular and Cell Biology Research Lab of Institutes of Biomedical Sciences, Fudan University, Shanghai, China
- Basic Medicine Research and Innovation Center for Novel Target and Therapeutic Intervention, Ministry of Education, Chongqing Medical University, Chongqing, China
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24
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Lyu Y, Kim BJ, Patel JS, Dallas DC, Chen Y. Human Milk Protein-Derived Bioactive Peptides from In Vitro-Digested Colostrum Exert Antimicrobial Activities against Common Neonatal Pathogens. Nutrients 2024; 16:2040. [PMID: 38999788 PMCID: PMC11243250 DOI: 10.3390/nu16132040] [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: 05/24/2024] [Revised: 06/16/2024] [Accepted: 06/24/2024] [Indexed: 07/14/2024] Open
Abstract
Human milk reduces risk for necrotizing enterocolitis in preterm infants. Necrotizing enterocolitis occurs in the ileocecal region where thousands of milk protein-derived peptides have been released from digestion. Digestion-released peptides may exert bioactivity, such as antimicrobial and immunomodulatory activities, in the gut. In this study, we applied mass spectrometry-based peptidomics to characterize peptides present in colostrum before and after in vitro digestion. Sequence-based computational modeling was applied to predict peptides with antimicrobial activity. We identified more peptides in undigested samples, yet the abundances were much higher in the digested samples. Heatmapping demonstrated highly different peptide profiles between undigested and digested samples. Four peptides (αS1-casein [157-163], αS1-casein [157-165], β-casein [153-159] and plasminogen [591-597]) were selected, synthesized and tested against common pathogenic bacteria associated with necrotizing enterocolitis. All four exhibited bacteriostatic, though not bactericidal, activities against Klebsiella aerogenes, Citrobacter freundii and Serratia marcescens, but not Escherichia coli.
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Affiliation(s)
- Yang Lyu
- Margaret Ritchie School of Family and Consumer Sciences, University of Idaho, Moscow, ID 83844, USA;
| | - Bum Jin Kim
- Nutrition Program, College of Health, Oregon State University, Corvallis, OR 97331, USA; (B.J.K.); (D.C.D.)
| | - Jagdish Suresh Patel
- Department of Chemical and Biological Engineering, University of Idaho, Moscow, ID 83844, USA;
| | - David C. Dallas
- Nutrition Program, College of Health, Oregon State University, Corvallis, OR 97331, USA; (B.J.K.); (D.C.D.)
| | - Yimin Chen
- Margaret Ritchie School of Family and Consumer Sciences, University of Idaho, Moscow, ID 83844, USA;
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25
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Göritzer K, Strasser R, Ma JKC. Stability Engineering of Recombinant Secretory IgA. Int J Mol Sci 2024; 25:6856. [PMID: 38999969 PMCID: PMC11240955 DOI: 10.3390/ijms25136856] [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: 05/03/2024] [Revised: 06/19/2024] [Accepted: 06/19/2024] [Indexed: 07/14/2024] Open
Abstract
Secretory IgA (SIgA) presents a promising avenue for mucosal immunotherapy yet faces challenges in expression, purification, and stability. IgA exists in two primary isotypes, IgA1 and IgA2, with IgA2 further subdivided into two common allotypes: IgA2m(1) and IgA2m(2). The major differences between IgA1 and IgA2 are located in the hinge region, with IgA1 featuring a 13-amino acid elongation that includes up to six O-glycosylation sites. Furthermore, the IgA2m(1) allotype lacks a covalent disulfide bond between heavy and light chains, which is present in IgA1 and IgA2m(2). While IgA1 demonstrates superior epitope binding and pathogen neutralization, IgA2 exhibits enhanced effector functions and stability against mucosal bacterial degradation. However, the noncovalent linkage in the IgA2m(1) allotype raises production and stability challenges. The introduction of distinct single mutations aims to facilitate an alternate disulfide bond formation to mitigate these challenges. We compare four different IgA2 versions with IgA1 to further develop secretory IgA antibodies against SARS-CoV-2 for topical delivery to mucosal surfaces. Our results indicate significantly improved expression levels and assembly efficacy of SIgA2 (P221R) in Nicotiana benthamiana. Moreover, engineered SIgA2 displays heightened thermal stability under physiological as well as acidic conditions and can be aerosolized using a mesh nebulizer. In summary, our study elucidates the benefits of stability-enhancing mutations in overcoming hurdles associated with SIgA expression and stability.
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Affiliation(s)
- Kathrin Göritzer
- Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences, 1190 Vienna, Austria;
- Institute for Infection and Immunity, St. George’s University of London, London SW17 0RE, UK;
| | - Richard Strasser
- Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences, 1190 Vienna, Austria;
| | - Julian K.-C. Ma
- Institute for Infection and Immunity, St. George’s University of London, London SW17 0RE, UK;
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Sáez-Fuertes L, Kapravelou G, Grases-Pintó B, Bernabeu M, Knipping K, Garssen J, Bourdet-Sicard R, Castell M, Collado MC, Pérez-Cano FJ, Rodríguez-Lagunas MJ. Maternal Synbiotic Supplementation with B. breve M-16V and scGOS/lcFOS Shape Offspring Immune Development and Gut Microbiota at the End of Suckling. Nutrients 2024; 16:1890. [PMID: 38931246 PMCID: PMC11206815 DOI: 10.3390/nu16121890] [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: 04/25/2024] [Revised: 06/06/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024] Open
Abstract
Immune system development during gestation and suckling is significantly modulated by maternal environmental and dietary factors. Breastfeeding is widely recognized as the optimal source of nutrition for infant growth and immune maturation, and its composition can be modulated by the maternal diet. In the present work, we investigated whether oral supplementation with Bifidobacterium breve M-16V and short-chain galacto-oligosaccharide (scGOS) and long-chain fructo-oligosaccharide (lcFOS) to rat dams during gestation and lactation has an impact on the immune system and microbiota composition of the offspring at day 21 of life. On that day, blood, adipose tissue, small intestine (SI), mesenteric lymph nodes (MLN), salivary gland (SG), cecum, and spleen were collected. Synbiotic supplementation did not affect the overall body or organ growth of the pups. The gene expression of Tlr9, Muc2, IgA, and Blimp1 were upregulated in the SI, and the increase in IgA gene expression was further confirmed at the protein level in the gut wash. Synbiotic supplementation also positively impacted the microbiota composition in both the small and large intestines, resulting in higher proportions of Bifidobacterium genus, among others. In addition, there was an increase in butanoic, isobutanoic, and acetic acid concentrations in the cecum but a reduction in the small intestine. At the systemic level, synbiotic supplementation resulted in higher levels of immunoglobulin IgG2c in plasma, SG, and MLN, but it did not modify the main lymphocyte subsets in the spleen and MLN. Overall, synbiotic maternal supplementation is able to positively influence the immune system development and microbiota of the suckling offspring, particularly at the gastrointestinal level.
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Affiliation(s)
- Laura Sáez-Fuertes
- Physiology Section, Department of Biochemistry and Physiology, Faculty of Pharmacy and Food Science, University of Barcelona (UB), 08028 Barcelona, Spain; (L.S.-F.); (G.K.); (B.G.-P.); (M.C.); (M.J.R.-L.)
- Nutrition and Food Safety Research Institute (INSA-UB), 08921 Santa Coloma de Gramenet, Spain
| | - Garyfallia Kapravelou
- Physiology Section, Department of Biochemistry and Physiology, Faculty of Pharmacy and Food Science, University of Barcelona (UB), 08028 Barcelona, Spain; (L.S.-F.); (G.K.); (B.G.-P.); (M.C.); (M.J.R.-L.)
| | - Blanca Grases-Pintó
- Physiology Section, Department of Biochemistry and Physiology, Faculty of Pharmacy and Food Science, University of Barcelona (UB), 08028 Barcelona, Spain; (L.S.-F.); (G.K.); (B.G.-P.); (M.C.); (M.J.R.-L.)
- Nutrition and Food Safety Research Institute (INSA-UB), 08921 Santa Coloma de Gramenet, Spain
| | - Manuel Bernabeu
- Institute of Agrochemisty and Food Technology-National Research Council (IATA-CSIC), 46980 Valencia, Spain; (M.B.); (M.C.C.)
| | - Karen Knipping
- Danone Research & Innovation, 3584 Utrecht, The Netherlands; (K.K.); (J.G.)
- Division of Pharmacology, Faculty of Science, Institute for Pharmaceutical Sciences, 3584 Utrecht, The Netherlands
| | - Johan Garssen
- Danone Research & Innovation, 3584 Utrecht, The Netherlands; (K.K.); (J.G.)
- Division of Pharmacology, Faculty of Science, Institute for Pharmaceutical Sciences, 3584 Utrecht, The Netherlands
| | | | - Margarida Castell
- Physiology Section, Department of Biochemistry and Physiology, Faculty of Pharmacy and Food Science, University of Barcelona (UB), 08028 Barcelona, Spain; (L.S.-F.); (G.K.); (B.G.-P.); (M.C.); (M.J.R.-L.)
- Nutrition and Food Safety Research Institute (INSA-UB), 08921 Santa Coloma de Gramenet, Spain
- Center for Biomedical Research Network for the Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - María Carmen Collado
- Institute of Agrochemisty and Food Technology-National Research Council (IATA-CSIC), 46980 Valencia, Spain; (M.B.); (M.C.C.)
| | - Francisco José Pérez-Cano
- Physiology Section, Department of Biochemistry and Physiology, Faculty of Pharmacy and Food Science, University of Barcelona (UB), 08028 Barcelona, Spain; (L.S.-F.); (G.K.); (B.G.-P.); (M.C.); (M.J.R.-L.)
- Nutrition and Food Safety Research Institute (INSA-UB), 08921 Santa Coloma de Gramenet, Spain
| | - María José Rodríguez-Lagunas
- Physiology Section, Department of Biochemistry and Physiology, Faculty of Pharmacy and Food Science, University of Barcelona (UB), 08028 Barcelona, Spain; (L.S.-F.); (G.K.); (B.G.-P.); (M.C.); (M.J.R.-L.)
- Nutrition and Food Safety Research Institute (INSA-UB), 08921 Santa Coloma de Gramenet, Spain
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Furiness KN, El Ansari YS, Oettgen HC, Kanagaratham C. Allergen-specific IgA and IgG antibodies as inhibitors of mast cell function in food allergy. FRONTIERS IN ALLERGY 2024; 5:1389669. [PMID: 38919913 PMCID: PMC11196826 DOI: 10.3389/falgy.2024.1389669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 05/21/2024] [Indexed: 06/27/2024] Open
Abstract
Food allergy, a group of adverse immune responses to normally innocuous food protein antigens, is an increasingly prevalent public health issue. The most common form is IgE-mediated food allergy in which food antigen-induced crosslinking of the high-affinity IgE-receptor, FcεRI, on the surface of mast cells triggers the release of inflammatory mediators that contribute to a wide range of clinical manifestations, including systemic anaphylaxis. Mast cells also play a critical function in adaptive immunity to foods, acting as adjuvants for food-antigen driven Th2 cell responses. While the diagnosis and treatment of food allergy has improved in recent years, no curative treatments are currently available. However, there is emerging evidence to suggest that both allergen-specific IgA and IgG antibodies can counter the activating effects of IgE antibodies on mast cells. Most notably, both antigen-specific IgA and IgG antibodies are induced in the course of oral immunotherapy. In this review, we highlight the role of mast cells in food allergy, both as inducers of immediate hypersensitivity reactions and as adjuvants for type 2 adaptive immune responses. Furthermore, we summarize current understanding of the immunomodulatory effects of antigen-specific IgA and IgG antibodies on IgE-induced mast cell activation and effector function. A more comprehensive understanding of the regulatory role of IgA and IgG in food allergy may provide insights into physiologic regulation of immune responses to ingested antigens and could seed novel strategies to treat allergic disease.
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Affiliation(s)
- Kameryn N. Furiness
- Division of Immunology, Department of Pediatrics, Boston Children’s Hospital, Boston, MA, United States
| | - Yasmeen S. El Ansari
- Division of Immunology, Department of Pediatrics, Boston Children’s Hospital, Boston, MA, United States
- Institute of Laboratory Medicine, Philipps University Marburg, Marburg, Germany
| | - Hans C. Oettgen
- Division of Immunology, Department of Pediatrics, Boston Children’s Hospital, Boston, MA, United States
- Department of Pediatrics, Harvard Medical School, Boston, MA, United States
| | - Cynthia Kanagaratham
- Division of Immunology, Department of Pediatrics, Boston Children’s Hospital, Boston, MA, United States
- Department of Pediatrics, Harvard Medical School, Boston, MA, United States
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Nishihara K, Villot C, Cangiano L, Guan LL, Steele M. Bacteria colonization and gene expression related to immune function in colon mucosa is associated with growth in neonatal calves regardless of live yeast supplementation. J Anim Sci Biotechnol 2024; 15:76. [PMID: 38835065 DOI: 10.1186/s40104-024-01030-7] [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: 12/22/2023] [Accepted: 04/01/2024] [Indexed: 06/06/2024] Open
Abstract
BACKGROUND As Holstein calves are susceptible to gastrointestinal disorders during the first week of life, understanding how intestinal immune function develops in neonatal calves is important to promote better intestinal health. Feeding probiotics in early life may contribute to host intestinal health by facilitating beneficial bacteria colonization and developing intestinal immune function. The objective of this study was to characterize the impact of early life yeast supplementation and growth on colon mucosa-attached bacteria and host immune function. RESULTS Twenty Holstein bull calves received no supplementation (CON) or Saccharomyces cerevisiae boulardii (SCB) from birth to 5 d of life. Colon tissue biopsies were taken within 2 h of life (D0) before the first colostrum feeding and 3 h after the morning feeding at d 5 of age (D5) to analyze mucosa-attached bacteria and colon transcriptome. Metagenome sequencing showed that there was no difference in α and β diversity of mucosa-attached bacteria between day and treatment, but bacteria related to diarrhea were more abundant in the colon mucosa on D0 compared to D5. In addition, qPCR indicated that the absolute abundance of Escherichia coli (E. coli) decreased in the colon mucosa on D5 compared to D0; however, that of Bifidobacterium, Lactobacillus, and Faecalibacterium prausnitzii, which could competitively exclude E. coli, increased in the colon mucosa on D5 compared to D0. RNA-sequencing showed that there were no differentially expressed genes between CON and SCB, but suggested that pathways related to viral infection such as "Interferon Signaling" were activated in the colon mucosa of D5 compared to D0. CONCLUSIONS Growth affected mucosa-attached bacteria and host immune function in the colon mucosa during the first 5 d of life in dairy calves independently of SCB supplementation. During early life, opportunistic pathogens may decrease due to intestinal environmental changes by beneficial bacteria and/or host immune function. Predicted activation of immune function-related pathways may be the result of host immune function development or suggest other antigens in the intestine during early life. Further studies focusing on the other antigens and host immune function in the colon mucosa are required to better understand intestinal immune function development.
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Affiliation(s)
- Koki Nishihara
- Department of Animal Biosciences, Animal Science and Nutrition, University of Guelph, Guelph, ON, N1G 1Y2, Canada
| | - Clothilde Villot
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, T6G 2P5, Canada
- Lallemand SAS, Blagnac, F-31702, France
| | - Lautaro Cangiano
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - Le Luo Guan
- Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
| | - Michael Steele
- Department of Animal Biosciences, Animal Science and Nutrition, University of Guelph, Guelph, ON, N1G 1Y2, Canada.
- Present Address: Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada.
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Huang Y, Zhang Y, Wu K, Tan X, Lan T, Wang G. Role of Gut Microecology in the Pathogenesis of Drug-Induced Liver Injury and Emerging Therapeutic Strategies. Molecules 2024; 29:2663. [PMID: 38893536 PMCID: PMC11173750 DOI: 10.3390/molecules29112663] [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: 04/28/2024] [Revised: 06/01/2024] [Accepted: 06/01/2024] [Indexed: 06/21/2024] Open
Abstract
Drug-induced liver injury (DILI) is a common clinical pharmacogenic disease. In the United States and Europe, DILI is the most common cause of acute liver failure. Drugs can cause hepatic damage either directly through inherent hepatotoxic properties or indirectly by inducing oxidative stress, immune responses, and inflammatory processes. These pathways can culminate in hepatocyte necrosis. The role of the gut microecology in human health and diseases is well recognized. Recent studies have revealed that the imbalance in the gut microecology is closely related to the occurrence and development of DILI. The gut microecology plays an important role in liver injury caused by different drugs. Recent research has revealed significant changes in the composition, relative abundance, and distribution of gut microbiota in both patients and animal models with DILI. Imbalance in the gut microecology causes intestinal barrier destruction and microorganism translocation; the alteration in microbial metabolites may initiate or aggravate DILI, and regulation and control of intestinal microbiota can effectively mitigate drug-induced liver injury. In this paper, we provide an overview on the present knowledge of the mechanisms by which DILI occurs, the common drugs that cause DILI, the gut microbiota and gut barrier composition, and the effects of the gut microbiota and gut barrier on DILI, emphasizing the contribution of the gut microecology to DILI.
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Affiliation(s)
- Yuqiao Huang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Yu Zhang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Kaireng Wu
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Xinxin Tan
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Tian Lan
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
- Department of Pharmacology, College of Pharmacy, Harbin Medical University, Harbin 150086, China
| | - Guixiang Wang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
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Hong C, Huang Y, Yang G, Wen X, Wang L, Yang X, Gao K, Jiang Z, Xiao H. Maternal resveratrol improves the intestinal health and weight gain of suckling piglets during high summer temperatures: The involvement of exosome-derived microRNAs and immunoglobin in colostrum. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2024; 17:36-48. [PMID: 38464951 PMCID: PMC10921242 DOI: 10.1016/j.aninu.2024.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 12/17/2023] [Accepted: 01/18/2024] [Indexed: 03/12/2024]
Abstract
Previous studies have shown that maternal resveratrol improved growth performance and altered the microbial composition of suckling piglets under hot summer conditions. However, it remains unclear how maternal resveratrol improves growth performance of suckling piglets during high summer temperatures. A total of 20 sows (Landrace × Large White; three parity) were randomly assigned to 2 groups (with or without 300 mg/kg resveratrol) from d 75 of gestation to d 21 of lactation during high ambient temperatures (from 27 to 30 °C). The results showed that maternal resveratrol supplementation increased total daily weight gain of piglets under hot summer conditions, which is consistent with previous studies. Furthermore, we found that maternal resveratrol improved the intestinal morphology and intestinal epithelial proliferation in suckling piglets. Dietary resveratrol supplementation affected the characteristics of exosome-derived microRNAs (miRNAs) in sow colostrum, as well as the genes targeted by differentially produced miRNAs. MiRNAs are concentrated in the tight junction pathway. As a result, the expression of intestinal tight junction proteins was increased in suckling piglets (P < 0.05). Notably, maternal resveratrol increased the intestinal secretory immunoglobulin A (sIgA) levels of suckling piglets via colostrum immunoglobin (P < 0.05), which could increase the abundance of beneficial microbiota to further increase the concentration of short chain fatty acids (SCFA) in suckling piglets' intestine (P < 0.05). Finally, our correlation analysis further demonstrated the positive associations between significantly differential intestinal microbiota, intestinal sIgA production and SCFA concentrations, as well as the positive relation between total daily weight gain and intestinal health of suckling piglets. Taken together, our findings suggested that maternal resveratrol could promote intestinal health to improve piglet growth during high summer temperatures, which might be associated with the immunoglobin and exosome-derived miRNAs in sows' colostrum.
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Affiliation(s)
- Changming Hong
- State Key Laboratory of Swine and Poultry Breeding Industry, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou, China
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, Institute of Subtropical Animal Nutrition and Feed, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Yujian Huang
- State Key Laboratory of Swine and Poultry Breeding Industry, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou, China
| | - Guan Yang
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Xiaolu Wen
- State Key Laboratory of Swine and Poultry Breeding Industry, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou, China
| | - Li Wang
- State Key Laboratory of Swine and Poultry Breeding Industry, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou, China
| | - Xuefen Yang
- State Key Laboratory of Swine and Poultry Breeding Industry, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou, China
| | - Kaiguo Gao
- State Key Laboratory of Swine and Poultry Breeding Industry, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou, China
| | - Zongyong Jiang
- State Key Laboratory of Swine and Poultry Breeding Industry, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou, China
| | - Hao Xiao
- State Key Laboratory of Swine and Poultry Breeding Industry, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou, China
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Kan L, Zheng Z, Fu W, Ma Y, Wang W, Qian H, Xu L. Recent progress on engineered micro/nanomaterials mediated modulation of gut microbiota for treating inflammatory bowel disease. J Control Release 2024; 370:43-65. [PMID: 38608876 DOI: 10.1016/j.jconrel.2024.04.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 03/15/2024] [Accepted: 04/05/2024] [Indexed: 04/14/2024]
Abstract
Inflammatory bowel disease (IBD) is a type of chronic recurrent inflammation disease that mainly includes Crohn's disease and ulcerative colitis. Currently, the treatments for IBD remain highly challenging, with clinical treatment drugs showing limited efficacy and adverse side effects. Thus, developing drug candidates with comprehensive therapeutic effects, high efficiency, and low toxicity is urgently needed. Recently, micro/nanomaterials have attracted considerable interest because of their bioavailability, multitarget and efficient effects on IBD. In addition, gut modulation plays a substantial role in restoring intestinal homeostasis. Therefore, efficient microbiota-based strategies modulating gut microenvironment have great potential in remarkably treating IBD. With the development of micro- and nanomaterials for the treatment of IBD and more in-depth studies of their therapeutic mechanisms, it has been found that these treatments also have a tendency to positively regulate the intestinal flora, resulting in an increase in the beneficial flora and a decrease in the level of pathogenic bacteria, thus regulating the composition of the intestinal flora to a normal state. In this review, we first present the interactions among the immune system, intestinal barrier, and gut microbiome. In addition, recent advances in administration routes and methods that positively arouse the regulation of intestinal flora for IBD using probiotics, prebiotics, and redox-active micro/nanomaterials have been reviewed. Finally, the key challenges and critical perspectives of gut microbiota-based micro/nanomaterial treatment are also discussed.
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Affiliation(s)
- Lingling Kan
- School of Biomedical Engineering, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei, Anhui 230032, PR China; Anhui Engineering Research Center for Medical Micro-Nano Devices, Hefei, Anhui 230012, PR China
| | - Ziwen Zheng
- School of Biomedical Engineering, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei, Anhui 230032, PR China; Anhui Engineering Research Center for Medical Micro-Nano Devices, Hefei, Anhui 230012, PR China
| | - Wanyue Fu
- School of Biomedical Engineering, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei, Anhui 230032, PR China; Anhui Engineering Research Center for Medical Micro-Nano Devices, Hefei, Anhui 230012, PR China
| | - Yan Ma
- School of Biomedical Engineering, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei, Anhui 230032, PR China; Anhui Engineering Research Center for Medical Micro-Nano Devices, Hefei, Anhui 230012, PR China
| | - Wanni Wang
- School of Biomedical Engineering, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei, Anhui 230032, PR China; Anhui Engineering Research Center for Medical Micro-Nano Devices, Hefei, Anhui 230012, PR China.
| | - Haisheng Qian
- School of Biomedical Engineering, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei, Anhui 230032, PR China; Anhui Engineering Research Center for Medical Micro-Nano Devices, Hefei, Anhui 230012, PR China.
| | - Lingling Xu
- School of Biomedical Engineering, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei, Anhui 230032, PR China; Anhui Engineering Research Center for Medical Micro-Nano Devices, Hefei, Anhui 230012, PR China.
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Tang Y, Feng X, Lu Q, Cui C, Yu M, Wen Z, Luan Y, Dong L, Hu Z, Zhang R, Lu C, Liu J, Shinkura R, Hase K, Wang JY. MZB1-mediated IgA secretion suppresses the development and progression of colorectal cancer triggered by gut inflammation. Mucosal Immunol 2024; 17:450-460. [PMID: 38101774 DOI: 10.1016/j.mucimm.2023.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 11/20/2023] [Accepted: 12/08/2023] [Indexed: 12/17/2023]
Abstract
Colorectal cancer (CRC) ranks among the top causes of mortality globally. Gut inflammation is one crucial risk factor that augments CRC development since patients suffering from inflammatory bowel disease have an increased incidence of CRC. The role of immunoglobulin (Ig)A in maintaining gut homeostasis and preventing inflammation has been well established. Our earlier work demonstrated that the marginal zone and B1 cell-specific protein (MZB1) promotes gut IgA secretion and its absence results in pronounced dextran sulfate sodium salt (DSS)-induced colitis. In the present study, we explored the role of MZB1 in CRC development using the azoxymethane (AOM)/DSS-induced CRC model. We observed an increase in both the number and size of the tumor nodules in Mzb1-/- mice compared with Mzb1+/+ mice. The increase in CRC development and progression in Mzb1-/- mice was associated with reduced intestinal IgA levels, altered gut flora, and more severe gut and systemic inflammation. Oral administration of the monoclonal IgA, W27, alleviated both the gut inflammation and AOM/DSS-induced CRC. Notably, cohousing Mzb1+/+ and Mzb1-/- mice from the 10th day after birth led to similar CRC development. Our findings underscore the pivotal role of MZB1-mediated IgA secretion in suppressing the onset and progression of CRC triggered by gut inflammation. Moreover, our study highlights the profound impact of microbiota composition, modulated by gut IgA levels, on gut inflammation. Nonetheless, establishing a direct correlation between the severity of colitis and subsequent CRC development and the presence or absence of a particular microbiota is challenging.
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Affiliation(s)
- Yue Tang
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Xiaoqian Feng
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Qing Lu
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Chaoqun Cui
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Meiping Yu
- Department of Clinical Immunology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, China
| | - Zichao Wen
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yingying Luan
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Lulu Dong
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Ziying Hu
- Department of Microbiology and Immunology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Runyun Zhang
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Chunhui Lu
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Jie Liu
- Department of Digestive Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Reiko Shinkura
- Laboratory of Immunology and Infection Control, Institute of Quantitative Biosciences, the University of Tokyo, Tokyo, Japan
| | - Koji Hase
- Division of Biochemistry, Faculty of Pharmacy, Keio University, Tokyo, Japan
| | - Ji-Yang Wang
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China; Department of Clinical Immunology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, China; Department of Microbiology and Immunology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China; Shanghai Sci-Tech Inno Center for Infection & Immunity, Shanghai 200052, China.
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May A, Gerhards H, Wollanke B. Effect of hospitalization on equine local intestinal immunoglobulin A (IgA) concentration measured in feces. J Equine Vet Sci 2024; 137:105078. [PMID: 38697372 DOI: 10.1016/j.jevs.2024.105078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 03/15/2024] [Accepted: 04/29/2024] [Indexed: 05/05/2024]
Abstract
During hospitalization horses may develop gastrointestinal conditions triggered by a stress-associated weak local immune system. The prospective, clinical trial was conducted to find out whether fecal immunoglobulin A (IgA) concentrations could be determined in hospitalized horses and how they changed during hospitalization and in response to various stressors. Samples were obtained from 110 horses and a control group (n = 14). At arrival in the hospital, horses were categorized into pain grades (1-5), and elective versus strenuous surgery (> 2 hours, traumatic and emergency procedures). Feces were collected on day 1, day 2, day 3, and day 7 in all horses. Blood samples were obtained at the same intervals, but additionally after general anaesthesia in horses undergoing surgery (day 2). IgA concentration in feces was determined by ELISA and measured in optical density at 450nm. The control group showed constant IgA concentrations on all days (mean value 0.30 OD450 ±SD 0.11, 1.26 mg/g; n = 11). After general anaesthesia fecal IgA concentrations decreased considerably independent of duration and type of surgery (P < 0.001 for elective and P = 0.043 for traumatic surgeries). High plasma cortisol concentrations were weakly correlated with low fecal IgA on the day after surgery (P = 0.012, day 3, correlation coefficient r = 0.113). Equine fecal IgA concentrations showed a decline associated with transport, surgery, and hospitalization in general, indicating that stress has an impact on the local intestinal immune function and may predispose horses for developing gastrointestinal diseases such as enterocolitis.
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Affiliation(s)
- A May
- Equine Hospital, Ludwig-Maximilians-University Munich, Sonnenstrasse 14 85764 Oberschleissheim, Germany.
| | - H Gerhards
- retired, former head of Equine Hospital, Ludwig-Maximilians-University Munich, Germany
| | - B Wollanke
- Equine Hospital, Ludwig-Maximilians-University Munich, Sonnenstrasse 14 85764 Oberschleissheim, Germany
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Lan C, Li H, Shen Y, Liu Y, Wu A, He J, Cai J, Tian G, Mao X, Huang Z, Yu B, Zheng P, Yu J, Luo J, Yan H, Luo Y. Next-generation probiotic candidates targeting intestinal health in weaned piglets: Both live and heat-killed Akkermansia muciniphila prevent pathological changes induced by enterotoxigenic Escherichia coli in the gut. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2024; 17:110-122. [PMID: 38766519 PMCID: PMC11101935 DOI: 10.1016/j.aninu.2024.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 01/03/2024] [Accepted: 01/23/2024] [Indexed: 05/22/2024]
Abstract
The use of next-generation probiotics (NGP) in pigs for combating diseases has been subject to limited research. Here we explored the potential of a well-known NGP candidate Akkermansia muciniphila targeting pig gut health. In the first screening experiment, we found that the abundance of A. muciniphila peaked at 14 d old but decreased at weaning (21 d old; P < 0.05), suggesting the weaning period may be an effective window for A. muciniphila intervention. Following that, 48 crossbred weaned pigs at 28 d old were randomly assigned to five groups: control (CON), high/low live A. muciniphila (HA/LA), and high/low heat-killed A. muciniphila (HIA/LIA). From 1 to 28 d old, the CON group received gastric infusion of anaerobic sterile saline every other day; the HA and LA groups were gavaged every other day with 1 × 1010 CFU/5 mL and 5 × 108 CFU/5 mL live A. muciniphila, respectively; and the HIA and LIA groups were gavaged every other day with 1 × 1010 CFU/5 mL and 5 × 108 CFU/5 mL heat-killed A. muciniphila, respectively. At d 29, pigs in the CON group were randomly and equally divided into two groups, one of which was named the enterotoxigenic Escherichia coli (ETEC) group, and all groups except CON received a 5-d ETEC challenge. The supplementation of A. muciniphila numerically reduced the diarrhea rate of weaned pigs compared to the pigs that only received the ETEC challenge (P = 0.57), but the LIA group had a higher diarrhea rate than the CON group (P < 0.05). Consistent with this, the supplementation of A. muciniphila improved the small intestinal morphology and structure, proportion of CD4+ T lymphocytes in the blood, as well as the expression of genes related to intestinal barrier and antioxidant indices of pigs with ETEC challenge, especially for the LA group (P < 0.05). Meanwhile, A. muciniphila supplementation reduced the expression of ETEC virulence factor genes in the ileum and colon of pigs challenged by ETEC (P < 0.05). Therefore, A. muciniphila may protect the intestinal health of weaned piglets from damage caused by ETEC infection, but the effect may vary depending on the concentration and activity of A. muciniphila.
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Affiliation(s)
| | | | - Yuqing Shen
- Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education of China, Key Laboratory for Animal Disease-Resistance Nutrition and Feed of Ministry of Agriculture of China, Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Engineering Research Center of Animal Disease-Resistance Nutrition Biotechnology of Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Yang Liu
- Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education of China, Key Laboratory for Animal Disease-Resistance Nutrition and Feed of Ministry of Agriculture of China, Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Engineering Research Center of Animal Disease-Resistance Nutrition Biotechnology of Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Aimin Wu
- Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education of China, Key Laboratory for Animal Disease-Resistance Nutrition and Feed of Ministry of Agriculture of China, Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Engineering Research Center of Animal Disease-Resistance Nutrition Biotechnology of Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Jun He
- Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education of China, Key Laboratory for Animal Disease-Resistance Nutrition and Feed of Ministry of Agriculture of China, Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Engineering Research Center of Animal Disease-Resistance Nutrition Biotechnology of Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Jingyi Cai
- Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education of China, Key Laboratory for Animal Disease-Resistance Nutrition and Feed of Ministry of Agriculture of China, Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Engineering Research Center of Animal Disease-Resistance Nutrition Biotechnology of Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Gang Tian
- Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education of China, Key Laboratory for Animal Disease-Resistance Nutrition and Feed of Ministry of Agriculture of China, Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Engineering Research Center of Animal Disease-Resistance Nutrition Biotechnology of Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Xiangbing Mao
- Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education of China, Key Laboratory for Animal Disease-Resistance Nutrition and Feed of Ministry of Agriculture of China, Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Engineering Research Center of Animal Disease-Resistance Nutrition Biotechnology of Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Zhiqing Huang
- Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education of China, Key Laboratory for Animal Disease-Resistance Nutrition and Feed of Ministry of Agriculture of China, Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Engineering Research Center of Animal Disease-Resistance Nutrition Biotechnology of Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Bing Yu
- Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education of China, Key Laboratory for Animal Disease-Resistance Nutrition and Feed of Ministry of Agriculture of China, Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Engineering Research Center of Animal Disease-Resistance Nutrition Biotechnology of Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Ping Zheng
- Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education of China, Key Laboratory for Animal Disease-Resistance Nutrition and Feed of Ministry of Agriculture of China, Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Engineering Research Center of Animal Disease-Resistance Nutrition Biotechnology of Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Jie Yu
- Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education of China, Key Laboratory for Animal Disease-Resistance Nutrition and Feed of Ministry of Agriculture of China, Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Engineering Research Center of Animal Disease-Resistance Nutrition Biotechnology of Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Junqiu Luo
- Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education of China, Key Laboratory for Animal Disease-Resistance Nutrition and Feed of Ministry of Agriculture of China, Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Engineering Research Center of Animal Disease-Resistance Nutrition Biotechnology of Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Hui Yan
- Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education of China, Key Laboratory for Animal Disease-Resistance Nutrition and Feed of Ministry of Agriculture of China, Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Engineering Research Center of Animal Disease-Resistance Nutrition Biotechnology of Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Yuheng Luo
- Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education of China, Key Laboratory for Animal Disease-Resistance Nutrition and Feed of Ministry of Agriculture of China, Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Engineering Research Center of Animal Disease-Resistance Nutrition Biotechnology of Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
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Kocabiyik O, Amlashi P, Vo AL, Suh H, Rodriguez-Aponte SA, Dalvie NC, Love JC, Andrabi R, Irvine DJ. Vaccine targeting to mucosal lymphoid tissues promotes humoral immunity in the gastrointestinal tract. SCIENCE ADVANCES 2024; 10:eadn7786. [PMID: 38809992 PMCID: PMC11135404 DOI: 10.1126/sciadv.adn7786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 04/23/2024] [Indexed: 05/31/2024]
Abstract
Viruses, bacteria, and parasites frequently cause infections in the gastrointestinal tract, but traditional vaccination strategies typically elicit little or no mucosal antibody responses. Here, we report a strategy to effectively concentrate immunogens and adjuvants in gut-draining lymph nodes (LNs) to induce gut-associated mucosal immunity. We prepared nanoemulsions (NEs) based on biodegradable oils commonly used as vaccine adjuvants, which encapsulated a potent Toll-like receptor agonist and displayed antigen conjugated to their surface. Following intraperitoneal administration, these NEs accumulated in gut-draining mesenteric LNs, priming strong germinal center responses and promoting B cell class switching to immunoglobulin A (IgA). Optimized NEs elicited 10- to 1000-fold higher antigen-specific IgG and IgA titers in the serum and feces, respectively, compared to free antigen mixed with NE, and strong neutralizing antibody titers against severe acute respiratory syndrome coronavirus 2. Thus, robust gut humoral immunity can be elicited by exploiting the unique lymphatic collection pathways of the gut with a lymph-targeting vaccine formulation.
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Affiliation(s)
- Ozgun Kocabiyik
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Parastoo Amlashi
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - A. Lina Vo
- Consortium for HIV/AIDS Vaccine Development (CHAVD), Scripps Research Institute, La Jolla, CA 92037, USA
- Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Heikyung Suh
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Sergio A. Rodriguez-Aponte
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Neil C. Dalvie
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - J. Christopher Love
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139, USA
| | - Raiees Andrabi
- Consortium for HIV/AIDS Vaccine Development (CHAVD), Scripps Research Institute, La Jolla, CA 92037, USA
- Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Darrell J. Irvine
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Consortium for HIV/AIDS Vaccine Development (CHAVD), Scripps Research Institute, La Jolla, CA 92037, USA
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139, USA
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139 USA
- Howard Hughes Medical Institute, Chevy Chase, MD 20815 USA
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Nguyen NTA, Jiang Y, McQuade JL. Eating away cancer: the potential of diet and the microbiome for shaping immunotherapy outcome. Front Immunol 2024; 15:1409414. [PMID: 38873602 PMCID: PMC11169628 DOI: 10.3389/fimmu.2024.1409414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Accepted: 05/14/2024] [Indexed: 06/15/2024] Open
Abstract
The gut microbiome (GMB) plays a substantial role in human health and disease. From affecting gut barrier integrity to promoting immune cell differentiation, the GMB is capable of shaping host immunity and thus oncogenesis and anti-cancer therapeutic response, particularly with immunotherapy. Dietary patterns and components are key determinants of GMB composition, supporting the investigation of the diet-microbiome-immunity axis as a potential avenue to enhance immunotherapy response in cancer patients. As such, this review will discuss the role of the GMB and diet on anti-cancer immunity. We demonstrate that diet affects anti-cancer immunity through both GMB-independent and GMB-mediated mechanisms, and that different diet patterns mold the GMB's functional and taxonomic composition in distinctive ways. Dietary modulation therefore shows promise as an intervention for improving cancer outcome; however, further and more extensive research in human cancer populations is needed.
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Affiliation(s)
| | | | - Jennifer L. McQuade
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
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Ye W, Wu W, Jiang L, Yuan C, Huang Y, Chen Z, Huang Q, Qian L. Effects of dietary phytosterols or phytosterol esters supplementation on growth performance, biochemical blood indices and intestinal flora of C57BL/6 mice. PLoS One 2024; 19:e0297788. [PMID: 38743661 PMCID: PMC11093361 DOI: 10.1371/journal.pone.0297788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 01/13/2024] [Indexed: 05/16/2024] Open
Abstract
This study was conducted to evaluate the effects of phytosterols (PS) and phytosterol esters (PSE) on C57BL/6 mice. Three groups of 34 six-week-old C57BL/6 mice of specific pathogen free (SPF) grade, with an average initial body weight (IBW) of 17.7g, were fed for 24 days either natural-ingredient diets without supplements or diets supplemented with 89 mg/kg PS or diets supplemented with 400 mg/kg PSE. Growth performance, blood biochemistry, liver and colon morphology as well as intestinal flora status were evaluated. Both PS and PSE exhibited growth promotion and feed digestibility in mice. In blood biochemistry, the addition of both PS and PSE to the diet resulted in a significant decrease in Total Cholesterol (TC) and Triglyceride (TG) levels and an increase in Superoxide Dismutase (SOD) activity. No significant changes in liver and intestinal morphology were observed. Both increased the level of Akkermansia in the intestinal tract of mice. There was no significant difference between the effects of PS and PSE. It was concluded that dietary PS and PSE supplementation could improve growth performance, immune performance and gut microbiome structure in mice, providing insights into its application as a potential feed additive in animals production.
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Affiliation(s)
- Wenxin Ye
- Hainan Institute of Zhejiang University, Sanya, China
| | - Wenzi Wu
- Hainan Institute of Zhejiang University, Sanya, China
| | - Lai Jiang
- Hainan Institute of Zhejiang University, Sanya, China
| | - Chunchun Yuan
- Key Laboratory of Animal Nutrition and Feed Science in East China, Ministry of Agriculture, College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Yubo Huang
- Key Laboratory of Animal Nutrition and Feed Science in East China, Ministry of Agriculture, College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Zhuo Chen
- Hainan Institute of Zhejiang University, Sanya, China
| | - Qixin Huang
- Key Laboratory of Animal Nutrition and Feed Science in East China, Ministry of Agriculture, College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Lichun Qian
- Hainan Institute of Zhejiang University, Sanya, China
- Key Laboratory of Animal Nutrition and Feed Science in East China, Ministry of Agriculture, College of Animal Sciences, Zhejiang University, Hangzhou, China
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Harris JR, Zoccoli-Rodriguez V, Delaney MS, Cruz TN, Gaudette BT, Wilmore JR. Gut commensals require Peyer's patches to induce protective systemic IgA responses. RESEARCH SQUARE 2024:rs.3.rs-4220532. [PMID: 38798510 PMCID: PMC11118714 DOI: 10.21203/rs.3.rs-4220532/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Gut educated IgA secreting plasma cells that disseminate beyond the mucosa and into systemic tissues have been described as providing beneficial effects from disease in several contexts. Several bacteria have been implicated in the induction of systemic IgA, however the mechanisms that result in differential levels of induction by each bacterial species are still unknown. Here we show, the commensal bacteria, Bacteroides fragilis (Bf), is an efficient inducer of systemic IgA responses. The ability of Bf to induce the production of bone marrow IgA plasma cells and high levels of serum IgA relied on high levels of gut colonization in a dose-dependent manner. Colonization induced Bf-specific IgA responses were severely diminished in the absence of Peyer's patches, but not the murine cecal patch. Colonization of mice with Bf, a natural human commensal, resulted in few changes within the microbiome and the host transcriptional profile in the gut, suggesting a commensal relationship with the host. Bf colonization did benefit the mice by inducing systemic IgA that led to increased protection in a bowel perforation model resulting in lower peritoneal abscess formation. These findings demonstrate a critical role for bacterial colonization and Peyer's patches in the induction of robust systemic IgA responses that confer protection from bacterial dissemination outside of the gut.
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Affiliation(s)
- Joshua R. Harris
- Department of Microbiology and Immunology, SUNY Upstate Medical University, Syracuse, NY
| | | | - Mara S. Delaney
- Department of Microbiology and Immunology, SUNY Upstate Medical University, Syracuse, NY
| | - Tania N. Cruz
- Department of Microbiology and Immunology, SUNY Upstate Medical University, Syracuse, NY
| | - Brian T. Gaudette
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
| | - Joel R. Wilmore
- Department of Microbiology and Immunology, SUNY Upstate Medical University, Syracuse, NY
- Sepsis Interdisciplinary Research Center, SUNY Upstate Medical University, Syracuse, NY
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Ashique S, Mishra N, Garg A, Kumar N, Khan Z, Mohanto S, Chellappan DK, Farid A, Taghizadeh-Hesary F. A Critical Review on the Role of Probiotics in Lung Cancer Biology and Prognosis. Arch Bronconeumol 2024:S0300-2896(24)00144-3. [PMID: 38755052 DOI: 10.1016/j.arbres.2024.04.030] [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: 02/20/2024] [Revised: 04/09/2024] [Accepted: 04/10/2024] [Indexed: 05/18/2024]
Abstract
Lung cancer remains the leading cause of cancer-related deaths worldwide. According to the American Cancer Society (ACS), it ranks as the second most prevalent type of cancer globally. Recent findings have highlighted bidirectional gut-lung interactions, known as the gut-lung axis, in the pathophysiology of lung cancer. Probiotics are live microorganisms that boost host immunity when consumed adequately. The immunoregulatory mechanisms of probiotics are thought to operate through the generation of various metabolites that impact both the gut and distant organs (e.g., the lungs) through blood. Several randomized controlled trials have highlighted the pivotal role of probiotics in gut health especially for the prevention and treatment of malignancies, with a specific emphasis on lung cancer. Current research indicates that probiotic supplementation positively affects patients, leading to a suppression in cancer symptoms and a shortened disease course. While clinical trials validate the therapeutic benefits of probiotics, their precise mechanism of action remains unclear. This narrative review aims to provide a comprehensive overview of the present landscape of probiotics in the management of lung cancer.
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Affiliation(s)
- Sumel Ashique
- Department of Pharmaceutical Sciences, Bengal College of Pharmaceutical Sciences & Research, Durgapur 713212, West Bengal, India.
| | - Neeraj Mishra
- Amity Institute of Pharmacy, Amity University Madhya Pradesh, Gwalior 474005, MP, India
| | - Ashish Garg
- Guru Ramdas Khalsa Institute of Science and Technology, Pharmacy, Jabalpur, MP 483001, India
| | - Nitish Kumar
- SRM Modinagar College of Pharmacy, SRM Institute of Science and Technology (Deemed to be University), Delhi-NCR Campus, Modinagar, Ghaziabad, Uttar Pradesh 201204, India
| | - Zuber Khan
- Division of Neuroscience, Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, India
| | - Sourav Mohanto
- Department of Pharmaceutics, Yenepoya Pharmacy College & Research Centre, Yenepoya (Deemed to be University), Mangalore, Karnataka 575018, India
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Bukit Jalil 57000, Kuala Lumpur, Malaysia
| | - Arshad Farid
- Gomal Center of Biochemistry and Biotechnology, Gomal University, Dera Ismail Khan 29050, Pakistan
| | - Farzad Taghizadeh-Hesary
- ENT and Head and Neck Research Center and Department, The Five Senses Health Institute, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Department of Clinical Oncology, Iran University of Medical Sciences, Tehran, Iran.
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40
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Demirturk M, Cinar MS, Avci FY. The immune interactions of gut glycans and microbiota in health and disease. Mol Microbiol 2024. [PMID: 38703041 DOI: 10.1111/mmi.15267] [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: 10/13/2023] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 05/06/2024]
Abstract
The human digestive system harbors a vast diversity of commensal bacteria and maintains a symbiotic relationship with them. However, imbalances in the gut microbiota accompany various diseases, such as inflammatory bowel diseases (IBDs) and colorectal cancers (CRCs), which significantly impact the well-being of populations globally. Glycosylation of the mucus layer is a crucial factor that plays a critical role in maintaining the homeostatic environment in the gut. This review delves into how the gut microbiota, immune cells, and gut mucus layer work together to establish a balanced gut environment. Specifically, the role of glycosylation in regulating immune cell responses and mucus metabolism in this process is examined.
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Affiliation(s)
- Mahmut Demirturk
- Department of Biochemistry, Emory Vaccine Center, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Mukaddes Sena Cinar
- Department of Biochemistry, Emory Vaccine Center, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Fikri Y Avci
- Department of Biochemistry, Emory Vaccine Center, Emory University School of Medicine, Atlanta, Georgia, USA
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41
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Liang H, Tao S, Wang Y, Zhao J, Yan C, Wu Y, Liu N, Qin Y. Astragalus polysaccharide: implication for intestinal barrier, anti-inflammation, and animal production. Front Nutr 2024; 11:1364739. [PMID: 38757131 PMCID: PMC11096541 DOI: 10.3389/fnut.2024.1364739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 04/22/2024] [Indexed: 05/18/2024] Open
Abstract
Intestine is responsible for nutrients absorption and plays a key role in defending against various dietary allergens, antigens, toxins, and pathogens. Accumulating evidence reported a critical role of intestine in maintaining animal and human health. Since the use of antibiotics as growth promoters in animal feed has been restricted in many countries, alternatives to antibiotics have been globally investigated, and polysaccharides are considered as environmentally friendly and promising alternatives to improve intestinal health, which has become a research hotspot due to its antibiotic substitution effect. Astragalus polysaccharide (APS), a biological macromolecule, is extracted from astragalus and has been reported to exhibit complex biological activities involved in intestinal barrier integrity maintenance, intestinal microbiota regulation, short-chain fatty acids (SCFAs) production, and immune response regulation, which are critical for intestine health. The biological activity of APS is related to its chemical structure. In this review, we outlined the source and structure of APS, highlighted recent findings on the regulation of APS on physical barrier, biochemical barrier, immunological barrier, and immune response as well as the latest progress of APS as an antibiotic substitute in animal production. We hope this review could provide scientific basis and new insights for the application of APS in nutrition, clinical medicine and health by understanding particular effects of APS on intestine health, anti-inflammation, and animal production.
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Affiliation(s)
- Hui Liang
- State Key Laboratory of Animal Nutrition and Feeding, China Agricultural University, Beijing, China
| | - Siming Tao
- State Key Laboratory of Animal Nutrition and Feeding, China Agricultural University, Beijing, China
| | - Yanya Wang
- State Key Laboratory of Animal Nutrition and Feeding, China Agricultural University, Beijing, China
| | - Jing Zhao
- State Key Laboratory of Animal Nutrition and Feeding, China Agricultural University, Beijing, China
| | - Chang Yan
- State Key Laboratory of Animal Nutrition and Feeding, China Agricultural University, Beijing, China
| | - Yingjie Wu
- State Key Laboratory of Animal Nutrition and Feeding, China Agricultural University, Beijing, China
| | - Ning Liu
- State Key Laboratory of Animal Nutrition and Feeding, China Agricultural University, Beijing, China
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing, China
| | - Yinghe Qin
- State Key Laboratory of Animal Nutrition and Feeding, China Agricultural University, Beijing, China
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Hillman T. The application of plant-exosome-like nanovesicles as improved drug delivery systems for cancer vaccines. Discov Oncol 2024; 15:136. [PMID: 38683256 PMCID: PMC11058161 DOI: 10.1007/s12672-024-00974-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 04/08/2024] [Indexed: 05/01/2024] Open
Abstract
The use of cancer immunotherapeutics is currently increasing. Cancer vaccines, as a form of immunotherapy, are gaining much attention in the medical community since specific tumor-antigens can activate immune cells to induce an anti-tumor immune response. However, the delivery of cancer vaccines presents many issues for research scientists when designing cancer treatments and requires further investigation. Nanoparticles, synthetic liposomes, bacterial vectors, viral particles, and mammalian exosomes have delivered cancer vaccines. In contrast, the use of many of these nanotechnologies produces many issues of cytotoxicity, immunogenicity, and rapid clearance by the mononuclear phagocyte system (MPS). Plant-exosome-like nanovesicles (PELNVs) can provide solutions for many of these challenges because they are innocuous and nonimmunogenic when delivering nanomedicines. Hence, this review will describe the potential use of PELNVs to deliver cancer vaccines. In this review, different approaches of cancer vaccine delivery will be detailed, the mechanism of oral vaccination for delivering cancer vaccines will be described, and the review will discuss the use of PELNVs as improved drug delivery systems for cancer vaccines via oral administration while also addressing the subsequent challenges for advancing their usage into the clinical setting.
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Mao A, Chen X, Zhao W, Nan W, Huang Y, Sun Y, Zhang H, Xu C. Bacterial Community Influences the Effects of Lactobacillus acidophilus on Lipid Metabolism, Immune Response, and Antioxidant Capacity in Dogs. Animals (Basel) 2024; 14:1257. [PMID: 38731261 PMCID: PMC11083006 DOI: 10.3390/ani14091257] [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: 03/14/2024] [Revised: 04/18/2024] [Accepted: 04/19/2024] [Indexed: 05/13/2024] Open
Abstract
Lactobacillus acidophilus (L. acidophilus), the most prevalent probiotic, has demonstrated the ability to improve the relative abundance of intestinal microorganisms and boost immunity. However, the underlying mechanisms of these effects remain unclear. This study evaluated body weight, nutrient apparent digestibility, serum indices, and bacterial communities in Chinese rural dogs from a L. acidophilus supplementation group (Lactobacillus acidophilus, n = 6) and a control group (CON, n = 6). The results indicated that L. acidophilus had no significant impact on the body weight and apparent nutrient digestibility of Chinese rural dogs. In comparison with the CON group, L. acidophilus significantly reduced the levels of cholesterol (CHO) and increased the levels of IgA, IFN-α, and T-AOC. Bacterial diversity indices were significantly reduced in the LAC group compared to the CON groups, and MetaStat analysis demonstrated notable distinctions in 14 bacterial genera between the groups. These bacterial genera exhibited correlations with physiological indices such as CHO, IgA, IFN-α, and T-AOC. In conclusion, L. acidophilus can modulate lipid metabolism, immunity, and antioxidant capacity by regulating the relative abundance of specific bacterial communities, which helps dogs to adapt to today's lifestyle.
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Affiliation(s)
- Aipeng Mao
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China; (A.M.)
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China
| | - Xiaoli Chen
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China
| | - Weigang Zhao
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China
| | - Weixiao Nan
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China; (A.M.)
| | - Yao Huang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China; (A.M.)
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China
| | - Yalong Sun
- Hebei Key Laboratory of Specialty Animal Germplasm Resources Exploration and Innovation, College of Animal Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China
| | - Haihua Zhang
- Hebei Key Laboratory of Specialty Animal Germplasm Resources Exploration and Innovation, College of Animal Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China
| | - Chao Xu
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China
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Kumar Bharathkar S, Stadtmueller BM. Structural and biochemical requirements for secretory component interactions with dimeric Immunoglobulin A. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.11.09.566401. [PMID: 38014291 PMCID: PMC10680632 DOI: 10.1101/2023.11.09.566401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Secretory (S) Immunoglobulin (Ig) A is the predominant mucosal antibody that protects host epithelial barriers and promotes microbial homeostasis. SIgA production occurs when plasma cells assemble two copies of monomeric IgA and one joining-chain (JC) to form dimeric (d) IgA, which is bound by the polymeric Ig receptor (pIgR) on the basolateral surface of epithelial cells and transcytosed to the apical surface. There, pIgR is proteolytically cleaved, releasing SIgA, a complex of the dIgA and the pIgR ectodomain, called secretory component (SC). The pIgR's five Ig-like domains (D1-D5) undergo a conformational change upon binding dIgA, ultimately contacting four IgA heavy chains and the JC in SIgA. Here we report structure-based mutational analysis combined with surface plasmon resonance binding assays that identify key residues in mouse SC D1 and D3 that mediate SC binding to dIgA. Residues in D1 CDR3 are likely to initiate binding whereas residues that stabilize the D1-D3 interface are likely to promote the conformation change and stabilize the final SIgA structure. Additionally, we find that the JC's three C-terminal residues play a limited role in dIgA assembly but a significant role in pIgR/SC binding to dIgA. Together results inform new models for the intricate mechanisms underlying IgA transport across epithelia and functions in the mucosa.
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Affiliation(s)
| | - Beth M. Stadtmueller
- Department of Biochemistry, University of Illinois Urbana-Champaign, Urbana, Illinois 61801 USA
- Department of Biomedical and Translational Sciences, Carle Illinois College of Medicine, University of Illinois Urbana-Champaign, Urbana, Illinois 61801 USA
- Carle R. Woese Institute of Genomic Biology
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Santilli A, Shapiro D, Han Y, Sangwan N, Cresci GAM. Tributyrin Supplementation Rescues Chronic-Binge Ethanol-Induced Oxidative Stress in the Gut-Lung Axis in Mice. Antioxidants (Basel) 2024; 13:472. [PMID: 38671919 PMCID: PMC11047693 DOI: 10.3390/antiox13040472] [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: 03/22/2024] [Revised: 04/12/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Excessive alcohol consumption increases the severity and worsens outcomes of pulmonary infections, often due to oxidative stress and tissue damage. While the mechanism behind this relationship is multifaceted, recent evidence suggests ethanol-induced changes to the gut microbiome impact the gut-lung axis. To assess this, a chronic-binge ethanol feeding mouse model was used to determine how ethanol altered the gut microbiome, small intestinal epithelial barrier, and immune responses, as well as neutrophil abundance and oxidative stress in the lungs, and how supporting gut health with tributyrin supplementation during chronic-binge ethanol exposure affected these responses. We found that ethanol consumption altered gut bacterial taxa and metabolic processes, distorted small intestinal immune responses, and induced both bacteria and endotoxin translocation into the lymphatic and circulatory systems. These changes were associated with increased neutrophil (Ly6G) presence and markers of oxidative stress, lipocalin-2 and myeloperoxidase, in the lungs. Importantly, tributyrin supplementation during ethanol exposure rescued gut bacterial function (p < 0.05), small intestinal barrier integrity, and immune responses, as well as reducing both Ly6G mRNA (p < 0.05) and lipocalin-2 mRNA (p < 0.01) in the lungs. These data suggest ethanol-associated disruption of gut homeostasis influenced the health of the lungs, and that therapeutics supporting gut health may also support lung health.
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Affiliation(s)
- Anthony Santilli
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland, OH 44195, USA; (A.S.)
| | - David Shapiro
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland, OH 44195, USA; (A.S.)
| | - Yingchun Han
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland, OH 44195, USA; (A.S.)
| | - Naseer Sangwan
- Microbial Sequencing & Analytics Resource (MSAAR) Facility, Shared Laboratory Resources (SLR), Lerner Research Institute, Cleveland, OH 44195, USA;
- Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
- Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH 44195, USA
| | - Gail A. M. Cresci
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland, OH 44195, USA; (A.S.)
- Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH 44195, USA
- Department of Gastroenterology, Hepatology and Nutrition, Digestive Disease Institute, Cleveland, OH 44195, USA
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Li Z, He H, Chen M, Ni M, Guo C, Wan Z, Zhou J, Wang Z, Wang Y, Cai H, Li M, Sun H, Xu H. Novel mechanism of Clostridium butyricum alleviated coprophagy prevention-induced intestinal inflammation in rabbit. Int Immunopharmacol 2024; 130:111773. [PMID: 38430808 DOI: 10.1016/j.intimp.2024.111773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/25/2024] [Accepted: 02/26/2024] [Indexed: 03/05/2024]
Abstract
As bacteria synthesize nutrients primarily in the cecum, coprophagy is indispensable for supplying rabbits with essential nutrients. Recent research has demonstrated its pivotal role in maintaining intestinal microbiota homeostasis and immune regulation in rabbits, although the specific mechanism remains unknown. Here, we used coprophagy prevention (CP) to investigate the effects of coprophagy on the cecum homeostasis and microbiota in New Zealand white rabbits. Furthermore, whether supplementation of Clostridium butyricum (C. butyricum) may alleviate the cecum inflammation and apoptosis caused by CP was also explored. Four groups were randomly assigned: control (Con), sham-coprophagy prevention (SCP), coprophagy prevention (CP), and CP and C. butyricum addition (CPCB). Compared to Con and SCP, CP augmented cecum inflammation and apoptosis, as well as bacterial adhesion to the cecal epithelial mucosa, while decreasing the expression of tight junction proteins (ZO-1, occluding, and claudin-1). The relative abundance of short-chain fatty acids (SCFAs)-producing bacteria was significantly decreased in the CP group. Inversely, there was an increase in the Firmicutes/Bacteroidetes ratio and the relative abundance of Christensenellaceae_R-7_group. Additionally, CP increased the levels of Flagellin, IFN-γ, TNF-a, and IL-1β in cecum contents and promoted the expression of TLR5/MyD88/NF-κB pathway in cecum tissues. However, the CPCB group showed significant improvements in all parameters compared to the CP group. Dietary C. butyricum supplementation significantly increased the production of SCFAs, particularly butyric acid, triggering anti-inflammatory, tissue repairing, and barrier-protective responses. Notably, CPCB effectively mitigated CP-induced apoptosis and inflammation. In summary, CP disrupts the cecum epithelial barrier and induces inflammation in New Zealand white rabbits, but these effects can be alleviated by C. butyricum supplementation. This process appears to be largely associated with the TLR5/MyD88/NF-κB signaling pathway.
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Affiliation(s)
- Zhichao Li
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, PR China
| | - Hui He
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, PR China
| | - Mengjuan Chen
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, PR China
| | - Mengke Ni
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, PR China
| | - Chaohui Guo
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, PR China
| | - Zhiyi Wan
- College of Biological Sciences, China Agricultural University, No.2 Yuan Ming Yuan West Road, Beijing 100193, PR China
| | - Jianshe Zhou
- Institute of Fisheries Science, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa 850032, PR China
| | - Zhitong Wang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, PR China
| | - Yaling Wang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, PR China
| | - Hanfang Cai
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, PR China
| | - Ming Li
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, PR China.
| | - HuiZeng Sun
- Institute of Dairy Science, College of Animal Sciences, Zhejiang University, Hangzhou 310058, PR China.
| | - Huifen Xu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, PR China.
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Zhang R, Wei M, Zhou J, Yang Z, Xiao M, Du L, Bao M, Ju J, Dong C, Zheng Y, Bao H. Effects of organic trace minerals chelated with oligosaccharides on growth performance, blood parameters, slaughter performance and meat quality in sheep. Front Vet Sci 2024; 11:1366314. [PMID: 38577544 PMCID: PMC10993154 DOI: 10.3389/fvets.2024.1366314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Accepted: 03/05/2024] [Indexed: 04/06/2024] Open
Abstract
The present study assessed the effects of oligosaccharide-chelated organic trace minerals (OTM) on the growth performance, digestive enzyme activity, blood parameters, slaughter performance, and meat quality indexes of mutton sheep. A total of 60 East Ujumuqin × small-tailed Han crossbred mutton sheep were assigned to two groups (10 duplicates per group) by body weight (26.12 ± 3.22 kg) according to a completely randomized design. Compared to the CON group, the results of the OTM group showed: (1) no significant changes in the initial body weight, final body weight, dry matter intake, average daily gain, and feed conversion ratio (p > 0.05); (2) the activities of trypsin, lipase, and amylase in the jejunum were significantly increased (p < 0.05); (3) serum total protein, albumin, and globulin of the blood were significantly increased (p < 0.05), and the growth factor interleukin IL-10 was significantly higher (p < 0.05), while IL-2, IL-6, and γ-interferon were significantly lower (p < 0.05). Immunoglobulins A, M, and G were significantly higher (p < 0.05); (4) the live weight before slaughter, carcass weights, dressing percentage, eye muscle areas, and GR values did not differ significantly (p > 0.05); (5) shear force of mutton was significantly lower (p < 0.05), while the pH45min, pH24h, drip loss, and cooking loss did not show a significant difference (p > 0.05). The content of crude protein was significantly higher (p < 0.05), while the ether extract content was significantly reduced (p < 0.05), but no significant difference was detected between moisture and ash content; (6) the total amino acids, essential amino acids, semi-essential amino acids, and umami amino acids were significantly increased (p < 0.05). Although umami amino acids were not significant, the total volume increased (p > 0.05). Among these, the essential amino acids, threonine, valine, leucine, lysine in essential amino acids and arginine were significantly increased (p < 0.05). Also, non-essential amino acids, glycine, serine, proline, tyrosine, cysteine, and aspartic acid, were significantly higher (p < 0.05). The content of alanine, aspartate, glutamic acid, phenylalanine, and tyrosine in umami amino acids was significantly higher (p < 0.05).
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Affiliation(s)
- Runze Zhang
- College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao, China
| | - Manlin Wei
- College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao, China
| | - Jianqun Zhou
- Nanning Zeweier Feed Limited Liability Company, Nanning, China
| | - Zaibin Yang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong, China
| | - Ming Xiao
- College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao, China
| | - Liu Du
- College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao, China
| | - Meili Bao
- College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao, China
| | - Ji Ju
- College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao, China
| | - Chenyang Dong
- College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao, China
| | - Yongjie Zheng
- College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao, China
| | - Hailin Bao
- Horqin Left Wing Rear Banner National Vocational and Technical School, Tongliao, China
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Ding P, Liu H, Zhu X, Chen Y, Zhou J, Chai S, Wang A, Zhang G. Thiolated chitosan encapsulation constituted mucoadhesive nanovaccine confers broad protection against divergent influenza A viruses. Carbohydr Polym 2024; 328:121689. [PMID: 38220319 DOI: 10.1016/j.carbpol.2023.121689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 12/06/2023] [Accepted: 12/10/2023] [Indexed: 01/16/2024]
Abstract
Influenza A virus (IAV) poses a significant threat to human and animal health, necessitating the development of universal influenza vaccines that can effectively activate mucosal immunity. Intranasal immunization has attracted significant attention due to its capacity to induce triple immune responses, including mucosal secretory IgA. However, inducing mucosal immunity through vaccination is challenging due to the self-cleansing nature of the mucosal surface. Thiolated chitosan (TCS) were explored for mucosal vaccine delivery, capitalizing on biocompatibility and bioadhesive properties of chitosan, with thiol modification enhancing mucoadhesive capability. The focus was on developing a universal nanovaccine by utilizing TCS-encapsulated virus-like particles displaying conserved B-cell and T-cell epitopes from M2e and NP proteins of IAV. The optimal conditions for nanoparticle formation were investigated by adjusting the thiol groups content of TCS and the amount of sodium tripolyphosphate. The nanovaccine induced robust immune responses and provided complete protection against IAVs from different species following intranasal immunization. The broad protective effect of nanovaccines can be attributed to the synergistic effect of antibodies and T cells. This study developed a universal intranasal nanovaccine and demonstrated the potential of TCS in the development of mucosal vaccines for respiratory infectious diseases.
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Affiliation(s)
- Peiyang Ding
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; Longhu Laboratory of Advanced Immunology, Zhengzhou 450046, China; Henan Key Laboratory of Immunobiology, Zhengzhou 450001, China
| | - Hongliang Liu
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; Longhu Laboratory of Advanced Immunology, Zhengzhou 450046, China; Henan Key Laboratory of Immunobiology, Zhengzhou 450001, China
| | - Xifang Zhu
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; Longhu Laboratory of Advanced Immunology, Zhengzhou 450046, China; Henan Key Laboratory of Immunobiology, Zhengzhou 450001, China
| | - Yumei Chen
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; Longhu Laboratory of Advanced Immunology, Zhengzhou 450046, China; Henan Key Laboratory of Immunobiology, Zhengzhou 450001, China
| | - Jingming Zhou
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; Longhu Laboratory of Advanced Immunology, Zhengzhou 450046, China; Henan Key Laboratory of Immunobiology, Zhengzhou 450001, China
| | - Shujun Chai
- Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Aiping Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; Longhu Laboratory of Advanced Immunology, Zhengzhou 450046, China; Henan Key Laboratory of Immunobiology, Zhengzhou 450001, China.
| | - Gaiping Zhang
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; Longhu Laboratory of Advanced Immunology, Zhengzhou 450046, China; Henan Key Laboratory of Immunobiology, Zhengzhou 450001, China; Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; School of Advanced Agricultural Sciences, Peking University, Beijing 100080, China.
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49
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He J, Zhu T, Mao N, Cai G, Gu P, Song Z, Lu X, Yang Y, Wang D. Cistanche deserticola polysaccharide-functionalized dendritic fibrous nano-silica as oral vaccine adjuvant delivery enhancing both the mucosal and systemic immunity. Int J Biol Macromol 2024; 262:129982. [PMID: 38354941 DOI: 10.1016/j.ijbiomac.2024.129982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 01/24/2024] [Accepted: 02/03/2024] [Indexed: 02/16/2024]
Abstract
Oral vaccines are a safe and convenient alternative to injected vaccines and have great potential to prevent major infectious diseases. However, the harsh gastrointestinal (GI) environment, mucus barriers, low immunogenicity, and lack of effective and safe mucosal adjuvants are the major challenges for oral vaccine delivery. In recent years, nanoparticle-based strategies have become attractive for improving oral vaccine delivery. Here, the dendritic fibrous nano-silica (DFNS) grafted with Cistanche deserticola polysaccharide (CDP) nanoparticles (CDP-DFNS) were prepared and investigated how to impact the immune responses. CDP-DFNS facilitated the antigen uptake in mouse bone marrow-derived dendritic cells (BMDCs), and induce the activation of DCs in vitro. Furthermore, in vivo experiments, the result showed that the uptake efficiency by Peyer's patches (PPs) of CDP-DFNS/BSA was the best. And CDP-DFNS/BSA then significantly activated the DCs in lamina propria (LP), and T/B cells in PPs and mesenteric lymph nodes (MLNs). Moreover, the memory T cell responses in later period of vaccination was stronger than other groups. In addition, CDP-DFNS/BSA enhanced BSA-specific antibody IgG, IgA production, and SIgA secretion, was effective at inducing a strong mixed Th1/Th2 response and mucosal antibody responses. These results indicated that CDP-DFNS deserves further consideration as an oral vaccine adjuvant delivery system.
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Affiliation(s)
- Jin He
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Tianyu Zhu
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Ningning Mao
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Gaofeng Cai
- Collage of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, PR China
| | - Pengfei Gu
- College of Traditional Chinese Veterinary Medicine, Hebei Agricultural University, Baoding 071001, China
| | - Zuchen Song
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Xuanqi Lu
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Yang Yang
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Deyun Wang
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China.
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50
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Cangiano LR, Lamers K, Olmeda MF, Villot C, Hodgins DC, Mallard BA, Steele MA. Developmental adaptations of γδ T cells and B cells in blood and intestinal mucosa from birth until weaning in Holstein bull calves. J Dairy Sci 2024; 107:1734-1750. [PMID: 37806632 DOI: 10.3168/jds.2023-23943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 09/15/2023] [Indexed: 10/10/2023]
Abstract
This study aimed to characterize the development of systemic and colon tissue resident B and γδ T cells in newborn calves from birth until weaning. At birth, calves have limited capacity to initiate immune responses, and the immune system gradually matures over time. Gamma delta (γδ) T cells are an important lymphocyte subset in neonatal calves that confer protection and promote immune tolerance. A total of 36 newborn calves were enrolled in a longitudinal study to characterize how systemic and colon tissue resident B and γδ T cells develop from birth until weaning. Blood and colon biopsy samples were collected on d 2, 28, and 42 to determine the proportions of various B and γδ T cell subsets by flow cytometry. We classified γδ T cells into different functional subsets according to the level of expression intensity of the coreceptors WC1.1 (effector function) and WC1.2 (regulatory function). Furthermore, naive B cells were classified based on the expression IgM receptor, and activation state was determined based on expression of CD21 and CD32, 2 receptors with opposing signals involved in B cell activation in early life. Additional colon biopsy samples were used for 16S sequencing, and microbial diversity data are reported. At birth, γδ T cells were the most abundant lymphocyte population in blood, accounting for 58.5% of the lymphocyte pool, after which the proportions of these cells declined to 38.2% after weaning. The proportion of γδ T cells expressing WC1.1 decreased by 50% from d 2 to d 28, whereas no change was observed in the expression of WC1.2. In the colon, there was a 50% increase of γδ T cells after weaning and the proportion of WC1.2+ γδ T cells doubled from d 28 to 42. The proportion of IgM+ B lymphocytes in blood increased from 23.6% at birth to 30% after weaning, were the proportion of B cells expressing CD21 increased by 25%, while the proportion of B cells expressing CD32 decreased by 30%. While no changes were observed for the overall proportion of IgM+ B lymphocytes in the colon, there was a 6-fold increase in the proportion of CD21+ B cells from pre- (d 28) to postweaning (d 42). Microbial diversity increased from d 2 of life to 28 and declined abruptly after weaning. The reduction in microbial diversity during weaning was negatively correlated with the increase in all γδ T cell subsets and CD21+ B cells. These data suggest that developmental adaptations after birth coordinate expansion of γδ T cells to provide early systemic protection, as well as to steer immune tolerance, while B cells mature over time. Additionally, the increase of colonic γδ T cells on d 42 suggests a protective role of these cells during weaning.
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Affiliation(s)
- L R Cangiano
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI 53706; Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - K Lamers
- Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - M F Olmeda
- Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - C Villot
- Lallemand Animal Nutrition, F-31702 Blagnac, France, and Milwaukee, WI 53218
| | - D C Hodgins
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph ON, N1G-2W1 Canada
| | - B A Mallard
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph ON, N1G-2W1 Canada
| | - M A Steele
- Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada.
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