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Fan C, He Y, Yang J, Da M. Association Between Live Microbe Intake and NAFLD: Evidence From NHANES 2003-2018. JOURNAL OF THE AMERICAN NUTRITION ASSOCIATION 2024; 43:272-278. [PMID: 37930261 DOI: 10.1080/27697061.2023.2270537] [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: 04/26/2023] [Accepted: 10/10/2023] [Indexed: 11/07/2023]
Abstract
OBJECTIVE This study aimed to shed light on the potential relationship between live microbe intake and nonalcoholic fatty liver disease (NAFLD). METHOD By using a cross-sectional study design, the researchers were able to investigate the possible causal association between the two variables in a rigorous and systematic manner. RESULTS Our study investigated the correlation between the intake of live microbe-containing foods and NAFLD in a representative sample of adults. The study found that the intake of live microbe-containing foods was associated with lower blood pressure, plasma glucose, NAFLD, body mass index, glycated hemoglobin, alanine aminotransferase, aspartate aminotransferase, gamma-glutamyl transpeptidase, and low-density lipoprotein cholesterol, as well as higher high-density lipoprotein cholesterol levels (p < 0.05). In univariate logistic regression, high dietary live microbe intake was associated with lower NAFLD prevalence than low intake (OR = 0.830; 95% CI, 0.759 to 0.908; p < 0.001). After adjusting for multiple variables, the same conclusion was supported (p < 0.05). In subgroup analyses, there was a significant difference in the race and smoking groups, with p for interaction of 0.01 and 0.02, respectively. This study's findings serve to augment the existing body of evidence linking live microbes with favorable health outcomes. CONCLUSIONS Our study revealed a robust correlation between dietary intake of live microbes and the prevalence of NAFLD in a cross-sectional analysis. Our findings offer a novel perspective on NAFLD research, highlighting the potential of targeted modulation of specific bacterial taxa, including the promotion of beneficial bacteria and suppression of harmful ones, as a promising strategy for preventing and treating NAFLD.
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Affiliation(s)
- Chuanlei Fan
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
| | - Yang He
- The First Clinical Medical College, Gansu University of Traditional Chinese Medicine, Lanzhou, Gansu, China
| | - Jian Yang
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
| | - Mingxu Da
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
- Department of Surgical Oncology, Gansu Provincial Hospital, Lanzhou, China
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Tomkinson S, Triscott C, Schenk E, Foey A. The Potential of Probiotics as Ingestible Adjuvants and Immune Modulators for Antiviral Immunity and Management of SARS-CoV-2 Infection and COVID-19. Pathogens 2023; 12:928. [PMID: 37513775 PMCID: PMC10384479 DOI: 10.3390/pathogens12070928] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/30/2023] [Accepted: 07/03/2023] [Indexed: 07/30/2023] Open
Abstract
Probiotic bacteria are able to modulate general antiviral responsiveness, including barrier functionality and innate and adaptive immune responses. The COVID-19 pandemic, resulting from SARS-CoV-2 infection, has created a need to control and treat this viral infection and its ensuing immunopathology with a variety of approaches; one such approach may involve the administration of probiotic bacteria. As with most viral infections, its pathological responses are not fully driven by the virus, but are significantly contributed to by the host's immune response to viral infection. The potential adoption of probiotics in the treatment of COVID-19 will have to appreciate the fine line between inducing antiviral immunity without over-provoking immune inflammatory responses resulting in host-derived immunopathological tissue damage. Additionally, the effect exerted on the immune system by SARS-CoV-2 evasion strategies will also have to be considered when developing a robust response to this virus. This review will introduce the immunopathology of COVID-19 and the immunomodulatory effects of probiotic strains, and through their effects on a range of respiratory pathogens (IAV, SARS-CoV, RSV), as well as SARS-CoV-2, will culminate in a focus on how these bacteria can potentially manipulate both infectivity and immune responsiveness via barrier functionality and both innate and adaptive immunity. In conclusion, the harnessing of induction and augmentation of antiviral immunity via probiotics may not only act as an ingestible adjuvant, boosting immune responsiveness to SARS-CoV-2 infection at the level of barrier integrity and innate and adaptive immunity, but also act prophylactically to prevent infection and enhance protection afforded by current vaccine regimens.
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Affiliation(s)
- Sophie Tomkinson
- School of Biomedical Sciences, Faculty of Health, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
| | - Cloe Triscott
- School of Biomedical Sciences, Faculty of Health, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
| | - Emily Schenk
- School of Biomedical Sciences, Faculty of Health, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
- Peninsula Medical School, Faculty of Health, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
| | - Andrew Foey
- School of Biomedical Sciences, Faculty of Health, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
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Nami Y, Haghshenas B, Javanmard A, Samari M, Mohammadi N, Oroojalian F, Mokhtarzadeh A. A critical review of the recent concept of artificial mechanical uterus design in relation to the maternal microbiome: An Update to past researches. J Reprod Immunol 2023; 156:103828. [PMID: 36796148 DOI: 10.1016/j.jri.2023.103828] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 01/21/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023]
Abstract
The microbiome in the female reproductive tract plays an essential role in immune modulation and reproductive health. However, various microbes become established during pregnancy, the balance of which plays a crucial role in embryonic development and healthy births. The contribution of disturbances in the microbiome profile to embryo health is poorly understood. A better understanding of the relationship between reproductive outcomes and the vaginal microbiota is needed to optimize the chances of healthy births. In this regards, microbiome dysbiosis refers to conditions in which the pathways of communication and balance within the normal microbiome are imbalanced due to the intrusion of pathogenic microorganisms into the reproductive system. This review summarizes the current state of knowledge on the natural human microbiome, with a focus on the natural uterine microbiome, mother-to-child transmission, dysbiosis, and the pattern of microbial change in pregnancy and parturition, and reviews the effects of artificial uterus probiotics during pregnancy. These effects can be studied in the sterile environment of an artificial uterus, and microbes with potential probiotic activity can be studied as a possible therapeutic approach. The artificial uterus is a technological device or biobag used as an incubator, allowing extracorporeal pregnancy. Establishing beneficial microbial communities within the artificial womb using probiotic species could modulate the immune system of both the fetus and the mother. The artificial womb could be used to select the best strains of probiotic species to fight infection with specific pathogens. Questions about the interactions and stability of the most appropriate probiotics, as well as dosage and duration of treatment, need to be answered before probiotics can be a clinical treatment in human pregnancy.
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Affiliation(s)
- Yousef Nami
- Department of Food Biotechnology, Branch for Northwest & West Region, Agricultural Biotechnology Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Tabriz, Iran
| | - Babak Haghshenas
- Regenerative Medicine Research Center (RMRC), Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Arash Javanmard
- Animal Genetics and Breeding, Department of Animal Science, Faculty of Agriculture, University of Tabriz, 5166616471 Tabriz, East Azerbaijan, Iran
| | - Mahya Samari
- Department of Applied Chemistry, Faculty of Chemistry, Razi University, Kermanshah, Iran
| | - Nahid Mohammadi
- Animal Genetics and Breeding, Department of Animal Science, Faculty of Agriculture, University of Tabriz, 5166616471 Tabriz, East Azerbaijan, Iran
| | - Fatemeh Oroojalian
- Department of Advanced Sciences and Technologies, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Ahad Mokhtarzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Hyseni E, Glavas Dodov M. Probiotics in dermatological and cosmetic products – application and efficiency. MAKEDONSKO FARMACEVTSKI BILTEN 2023. [DOI: 10.33320/maced.pharm.bull.2022.68.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
The term “probiotics” has first been used in 1907 by Elie Metchnikoff. Since then, probiotics have been part of research not only in regards of digestive health, but also inflammatory diseases. Lately, there has been an increased interest of probiotic’s effects in skincare. The management of atopic dermatitis, acne, psoriasis, photo aging, skin cancer, intimate care, oral care, wound healing is getting harder each passing day, due to increased antibiotic resistance and other side effects of conventional therapy. Therefore, new ingredients have been investigated and probiotics have been proved to be effective in treating various skin conditions.
This review aims to evaluate the scientific evidence on topical and oral probiotics, and to evaluate the efficacy of cosmetic and dermatological products containing probiotics. Many studies have shown that skin and gut microbiome alterations have an important role in skin health. Although this is a new topic in dermatology and cosmetology, there have been some promising results in lots of research studies that the use of probiotics in cosmetic products may help improve the patient’s outcome. While oral probiotics have been shown to promote gut health, which influences the host immune system and helps treat different skin diseases, the mechanism of action of topical probiotics is not yet fully understood. Although the number of commercial probiotic cosmetic products released in the market is increasing and most of the studies have not shown any serious side effect of probiotics, further studies, in larger and heterogeneous groups are needed.
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Affiliation(s)
- Edita Hyseni
- Center of Pharmaceutical nanotechnology, Faculty of Pharmacy, Ss Cyril and Methodius University in Skopje, Majka Tereza 47, 1000 Skopje, N. Macedonia
| | - Marija Glavas Dodov
- Center of Pharmaceutical nanotechnology, Faculty of Pharmacy, Ss Cyril and Methodius University in Skopje, Majka Tereza 47, 1000 Skopje, N. Macedonia
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Mazziotta C, Tognon M, Martini F, Torreggiani E, Rotondo JC. Probiotics Mechanism of Action on Immune Cells and Beneficial Effects on Human Health. Cells 2023; 12:cells12010184. [PMID: 36611977 PMCID: PMC9818925 DOI: 10.3390/cells12010184] [Citation(s) in RCA: 48] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/12/2022] [Accepted: 12/29/2022] [Indexed: 01/03/2023] Open
Abstract
Immune cells and commensal microbes in the human intestine constantly communicate with and react to each other in a stable environment in order to maintain healthy immune activities. Immune system-microbiota cross-talk relies on a complex network of pathways that sustain the balance between immune tolerance and immunogenicity. Probiotic bacteria can interact and stimulate intestinal immune cells and commensal microflora to modulate specific immune functions and immune homeostasis. Growing evidence shows that probiotic bacteria present important health-promoting and immunomodulatory properties. Thus, the use of probiotics might represent a promising approach for improving immune system activities. So far, few studies have been reported on the beneficial immune modulatory effect of probiotics. However, many others, which are mainly focused on their metabolic/nutritional properties, have been published. Therefore, the mechanisms behind the interaction between host immune cells and probiotics have only been partially described. The present review aims to collect and summarize the most recent scientific results and the resulting implications of how probiotic bacteria and immune cells interact to improve immune functions. Hence, a description of the currently known immunomodulatory mechanisms of probiotic bacteria in improving the host immune system is provided.
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Affiliation(s)
- Chiara Mazziotta
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
- Center for Studies on Gender Medicine, Department of Medical Sciences, University of Ferrara, 64/b, Fossato di Mortara Street, 44121 Ferrara, Italy
| | - Mauro Tognon
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Fernanda Martini
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
- Center for Studies on Gender Medicine, Department of Medical Sciences, University of Ferrara, 64/b, Fossato di Mortara Street, 44121 Ferrara, Italy
- Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, 44121 Ferrara, Italy
| | - Elena Torreggiani
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
- Correspondence: (E.T.); (J.C.R.); Tel.: +39-053-2455-557 (E.T.); +39-053-245-5536 (J.C.R.)
| | - John Charles Rotondo
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
- Center for Studies on Gender Medicine, Department of Medical Sciences, University of Ferrara, 64/b, Fossato di Mortara Street, 44121 Ferrara, Italy
- Correspondence: (E.T.); (J.C.R.); Tel.: +39-053-2455-557 (E.T.); +39-053-245-5536 (J.C.R.)
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Dempsey E, Corr SC. Lactobacillus spp. for Gastrointestinal Health: Current and Future Perspectives. Front Immunol 2022; 13:840245. [PMID: 35464397 PMCID: PMC9019120 DOI: 10.3389/fimmu.2022.840245] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 03/15/2022] [Indexed: 11/13/2022] Open
Abstract
In recent decades, probiotic bacteria have become increasingly popular as a result of mounting scientific evidence to indicate their beneficial role in modulating human health. Although there is strong evidence associating various Lactobacillus probiotics to various health benefits, further research is needed, in particular to determine the various mechanisms by which probiotics may exert these effects and indeed to gauge inter-individual value one can expect from consuming these products. One must take into consideration the differences in individual and combination strains, and conditions which create difficulty in making direct comparisons. The aim of this paper is to review the current understanding of the means by which Lactobacillus species stand to benefit our gastrointestinal health.
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Affiliation(s)
- Elaine Dempsey
- Trinity Biomedical Science Institute, School of Biochemistry and Immunology, Trinity College, Dublin, Ireland.,Department of Microbiology, Moyne Institute of Preventive Medicine, School of Genetics and Microbiology, Trinity College, Dublin, Ireland
| | - Sinéad C Corr
- Department of Microbiology, Moyne Institute of Preventive Medicine, School of Genetics and Microbiology, Trinity College, Dublin, Ireland.,APC Microbiome Ireland, University College Cork, Cork, Ireland
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Chen LH, Pan CH, Huang SY, Chan CH, Huang HY. The immunomodulatory effects of long-term supplementation with Lactobacillus casei Shirota depend on ovalbumin presentation in BALB/c mice. Sci Rep 2021; 11:19478. [PMID: 34593870 PMCID: PMC8484482 DOI: 10.1038/s41598-021-98791-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 09/14/2021] [Indexed: 11/09/2022] Open
Abstract
Immunomodulation is an ability of several particular probiotics. However, it still remains unclear whether the immunomodulatory effects of specific probiotics vary for different antigen presentation models with the same antigen. To investigate this matter, six groups of BALB/c mice (n = 10) were exposed to one of two antigen presentation models: ovalbumin (OVA) by injection alone, or injection plus intranasal administration. Moreover, the mice were fed distilled water or Lactobacillus casei Shirota fermented beverage (LcSFB) at low (2.5 × 109 CFU/kg body weight) or high doses (5 × 109 CFU/kg body weight) by gavage for 8 weeks. LcSFB enhanced the proliferation of splenocytes, production of OVA-specific immunoglobulin (Ig)-G and IgA, and the ratio of T-helper (Th)-2/Th1 cytokines in mice injected with OVA. Conversely, in the mice treated with OVA by injection plus intranasal administration, LcSFB attenuated the immune responses against OVA by reducing the proliferation of splenocytes, levels of OVA-specific IgE, IgG, and IgM, and ratio of Th2/Th1 cytokines. Moreover, LcSFB increased the percentage of regulatory T cells in the injection plus intranasal administration group. Taken together, this work indicates the immunoregulatory effects of LcSFB depend on how the antigen is presented. Therefore, the use of probiotics to boost the immune system must be carefully considered.
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Affiliation(s)
- Li-Han Chen
- Institute of Fisheries Science, National Taiwan University, Taipei, 10617, Taiwan
- Department of Life Science, National Taiwan University, Taipei, 10617, Taiwan
| | - Chun-Hsu Pan
- School of Pharmacy, Taipei Medical University, Taipei, 11031, Taiwan
| | - Shih-Yi Huang
- Graduate Institute of Metabolism and Obesity Sciences, Taipei Medical University, Taipei, 11031, Taiwan
| | - Ching-Hung Chan
- Department of Chemical Engineering and Biotechnology, Tatung University, 10452, Taipei, Taiwan
| | - Hui-Yu Huang
- Graduate Institute of Metabolism and Obesity Sciences, Taipei Medical University, Taipei, 11031, Taiwan.
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Raheem A, Liang L, Zhang G, Cui S. Modulatory Effects of Probiotics During Pathogenic Infections With Emphasis on Immune Regulation. Front Immunol 2021; 12:616713. [PMID: 33897683 PMCID: PMC8060567 DOI: 10.3389/fimmu.2021.616713] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 02/12/2021] [Indexed: 12/11/2022] Open
Abstract
In order to inhibit pathogenic complications and to enhance animal and poultry growth, antibiotics have been extensively used for many years. Antibiotics applications not only affect target pathogens but also intestinal beneficially microbes, inducing long-lasting changes in intestinal microbiota associated with diseases. The application of antibiotics also has many other side effects like, intestinal barrier dysfunction, antibiotics residues in foodstuffs, nephropathy, allergy, bone marrow toxicity, mutagenicity, reproductive disorders, hepatotoxicity carcinogenicity, and antibiotic-resistant bacteria, which greatly compromise the efficacy of antibiotics. Thus, the development of new antibiotics is necessary, while the search for antibiotic alternatives continues. Probiotics are considered the ideal antibiotic substitute; in recent years, probiotic research concerning their application during pathogenic infections in humans, aquaculture, poultry, and livestock industry, with emphasis on modulating the immune system of the host, has been attracting considerable interest. Hence, the adverse effects of antibiotics and remedial effects of probiotics during infectious diseases have become central points of focus among researchers. Probiotics are live microorganisms, and when given in adequate quantities, confer good health effects to the host through different mechanisms. Among them, the regulation of host immune response during pathogenic infections is one of the most important mechanisms. A number of studies have investigated different aspects of probiotics. In this review, we mainly summarize recent discoveries and discuss two important aspects: (1) the application of probiotics during pathogenic infections; and (2) their modulatory effects on the immune response of the host during infectious and non-infectious diseases.
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Affiliation(s)
- Abdul Raheem
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
- Scientific Observation and Experiment Station of Veterinary Drugs and Diagnostic Technology of Beijing, Ministry of Agriculture, Beijing, China
| | - Lin Liang
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
- Scientific Observation and Experiment Station of Veterinary Drugs and Diagnostic Technology of Beijing, Ministry of Agriculture, Beijing, China
| | - Guangzhi Zhang
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
- Scientific Observation and Experiment Station of Veterinary Drugs and Diagnostic Technology of Beijing, Ministry of Agriculture, Beijing, China
| | - Shangjin Cui
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
- Scientific Observation and Experiment Station of Veterinary Drugs and Diagnostic Technology of Beijing, Ministry of Agriculture, Beijing, China
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Abdolalipour E, Mahooti M, Gorji A, Ghaemi A. Synergistic Therapeutic Effects of Probiotic Lactobacillus casei TD-2 Consumption on GM-CSF-Induced Immune Responses in a Murine Model of Cervical Cancer. Nutr Cancer 2020; 74:372-382. [PMID: 33356596 DOI: 10.1080/01635581.2020.1865419] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We perceive the potential of combined immunotherapy for the synergistic treatment of human papillomavirus (HPV)-associated tumors. So, the tumor inhibiting effects of combination of L. casei TD2a and GM-CSF on the TC-1 growth were evaluated In Vivo using lymphocyte proliferation, lymphocyte cytotoxicity, splenocyte, and tumor cytokine assays. The results showed that tumor inhibition in transplanted mice in the GM-CSF combined with probiotic L. casei group was significantly higher than that observed in the other groups excluding GM-CSF group whose tumor inhibition effect was considerable. The findings also indicated that the combined group could generate tumor-specific cytolytic and splenocyte proliferative responses. The levels of IFN-γ, IL-4, and IL-12 after treating with GM-CSF combined with probiotic L. casei were significantly higher than those of other groups. The intratumoral Tumor Necrosis Factor Related Apoptosis-Inducing Ligand (TRAIL) was also significantly increased in the combined group. Tumor analysis further showed that the combined group decreased the accumulation of IL-10 in the tumor microenvironment of treated mice. Furthermore, tumor volume analysis demonstrated that combination group and even GM-CSF suppress tumor growth. Our findings showed that the combination of GM-CSF and probiotic results in improved tumor suppression against HPV-associated tumors and stimulates enhancement of specific antitumor immune responses.
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Affiliation(s)
| | - Mehran Mahooti
- Department of Virology, Pasteur Institute of Iran, Tehran, Iran
| | - Ali Gorji
- Department of Neurosurgery and Neurology, Westfälische Wilhelms-Universität Münster, Münster, Germany
| | - Amir Ghaemi
- Department of Virology, Pasteur Institute of Iran, Tehran, Iran
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Manna S, Chowdhury T, Chakraborty R, Mandal SM. Probiotics-Derived Peptides and Their Immunomodulatory Molecules Can Play a Preventive Role Against Viral Diseases Including COVID-19. Probiotics Antimicrob Proteins 2020; 13:611-623. [PMID: 33226581 PMCID: PMC7680993 DOI: 10.1007/s12602-020-09727-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/01/2020] [Indexed: 12/22/2022]
Abstract
As of recent, the pandemic episode of COVID-19, a severe acute respiratory syndrome brought about by a novel coronavirus (SARS-CoV-2) expanding the pace of mortality, has affected the disease rate profoundly. Invulnerability is the fundamental choice to prevent the ruining event of COVID-19, as the drugs and antibodies are in the phase of preliminary clinical trials. Within this brief period, a few strains of SARS-CoV-2 have been recognized by the vaccine manufacturers, which could be an incorrect guess about the strain that will end up spreading. Since the circulating SARS-CoV-2 strains continue to mutate, immunizations, if at all works, might be for a restricted time. We have not put sufficient time in research to understand the immune responses that correlate with protection as this could help refine vaccines. Here, we have summed up the adequacy of the immunomodulatory component of probiotics for the prevention against viral infections. Furthermore, an in silico data have been provided in support of the "probiotics-derived lipopeptides" role in inactivating spike (S) glycoprotein of SARS-CoV-2 and its host receptor molecule, ACE2. Among well characterized lipopeptides derived from different probiotic strains, subtilisin (Bacillus amyloliquefaciens), curvacin A (Lactobacillus curvatus), sakacin P (Lactobacillus sakei), lactococcin Gb (Lactococcus lactis) was utilized in this study to demonstrate a higher binding proclivity to S-protein of SARS-CoV-2 and human ACE2. The outcome revealed noteworthy capabilities of the lipopeptides, due to their amphiphilic nature, to bind spike protein and receptor molecule, which may act to competitively inhibit the mandatory interaction of SARS-CoV-2 with the host epithelial cell expressing ACE2 for its entry into the cell for reproduction. In the current situation, probiotic treatment alongside chemotherapy may assist in bringing about substantial improvement of the health of COVID-19 patients. At the same time, probiotics may aid towards building up the immune defenses in people to evade COVID-19.
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Affiliation(s)
- Sounik Manna
- Department of Microbiology, Midnapore College (Autonomous), Paschim Medinipur, India
| | - Trinath Chowdhury
- Central Research Facility, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | | | - Santi M Mandal
- Central Research Facility, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
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Chondrou P, Karapetsas A, Kiousi DE, Vasileiadis S, Ypsilantis P, Botaitis S, Alexopoulos A, Plessas S, Bezirtzoglou E, Galanis A. Assessment of the Immunomodulatory Properties of the Probiotic Strain Lactobacillus paracasei K5 in vitro and In Vivo. Microorganisms 2020; 8:microorganisms8050709. [PMID: 32403327 PMCID: PMC7284587 DOI: 10.3390/microorganisms8050709] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/07/2020] [Accepted: 05/08/2020] [Indexed: 12/12/2022] Open
Abstract
Lactobacillus paracasei K5 is a lactic acid bacteria (LAB) strain that has been isolated from dairy products. Previous studies have established its probiotic potential in a series of in vitro tests, including molecular characterization, safety profiling, and tolerability of the gastrointestinal tract conditions. To characterize its beneficial actions on the host, we have shown previously that L. paracasei K5 adheres to Caco-2 cells and exerts anti-proliferative effects through the induction of apoptosis. In the present study, we focused on the immunomodulatory potential of this strain. We employed the dorsal-air-pouch mouse model of inflammation and recorded an eight-fold increase in the recruitment of immune cells in mice treated with the probiotic strain, compared to the control group. Analysis of the exudates revealed significant changes in the expression of pro-inflammatory mediators on site. Treatment of Caco-2 cells with L. paracasei K5 induced significant upregulation of cytokines interleukin-1α (IL-1α), ΙL-1β, IL-6, tumor necrosis factor-alpha (TNF-α), the chemokine C-X-C motif ligand 2 (CXCL2), and the inflammation markers soluble intercellular adhesion molecule (sICAM) and metallopeptidase inhibitor-1 (TIMP-1). Transient induction of the Toll-like receptors (TLRs) 2, 4, 6, and 9 expression levels was recorded by real-time PCR analysis. These results highlight the immunomodulatory potential of this strain and further support its probiotic character.
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Affiliation(s)
- Pelagia Chondrou
- Department of Molecular Biology and Genetics, Faculty of Health Sciences, Democritus University of Thrace, Alexandroupolis 68100, Greece; (P.C.); (A.K.); (D.E.K.)
| | - Athanasios Karapetsas
- Department of Molecular Biology and Genetics, Faculty of Health Sciences, Democritus University of Thrace, Alexandroupolis 68100, Greece; (P.C.); (A.K.); (D.E.K.)
| | - Despoina Eugenia Kiousi
- Department of Molecular Biology and Genetics, Faculty of Health Sciences, Democritus University of Thrace, Alexandroupolis 68100, Greece; (P.C.); (A.K.); (D.E.K.)
| | - Stavros Vasileiadis
- Laboratory of Experimental Surgery and Surgical Research, Medical School, Faculty of Health Sciences, Democritus University of Thrace, Alexandroupolis 68100, Greece; (S.V.); (P.Y.); (S.B.)
| | - Petros Ypsilantis
- Laboratory of Experimental Surgery and Surgical Research, Medical School, Faculty of Health Sciences, Democritus University of Thrace, Alexandroupolis 68100, Greece; (S.V.); (P.Y.); (S.B.)
| | - Sotiris Botaitis
- Laboratory of Experimental Surgery and Surgical Research, Medical School, Faculty of Health Sciences, Democritus University of Thrace, Alexandroupolis 68100, Greece; (S.V.); (P.Y.); (S.B.)
| | - Athanasios Alexopoulos
- Laboratory of Microbiology, Biotechnology and Hygiene, Faculty of Agricultural Development, Democritus University of Thrace, Orestiada 68200, Greece; (A.A.); (S.P.)
| | - Stavros Plessas
- Laboratory of Microbiology, Biotechnology and Hygiene, Faculty of Agricultural Development, Democritus University of Thrace, Orestiada 68200, Greece; (A.A.); (S.P.)
| | - Eugenia Bezirtzoglou
- Laboratory of Hygiene and Environmental Protection, Medical School, Faculty of Health Sciences, Democritus University of Thrace, Alexandroupolis 68100, Greece;
| | - Alex Galanis
- Department of Molecular Biology and Genetics, Faculty of Health Sciences, Democritus University of Thrace, Alexandroupolis 68100, Greece; (P.C.); (A.K.); (D.E.K.)
- Correspondence: ; Tel.: +30-25510-30634; Fax: +30-25510-30634
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Dushku E, Ioannou A, Staikou A, Yiangou M. Probiotic properties and immunomodulatory activity of gastrointestinal tract commensal bacterial strains isolated from the edible farmed snail Cornu aspersum maxima. FISH & SHELLFISH IMMUNOLOGY 2019; 92:792-801. [PMID: 31271839 DOI: 10.1016/j.fsi.2019.06.061] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 06/25/2019] [Accepted: 06/30/2019] [Indexed: 06/09/2023]
Abstract
The aim of this study was to determine the in vitro probiotic properties as well as the immunomodulatory activity of bacterial strains isolated from the gastrointestinal tract of the edible-farmed land snail Cornu aspersum maxima. Forty lactic acid bacterial strains (named Sgs1-40) were isolated from the intestinal tract and eight strains (named SgmA-H) from the oesophagus-crop of snails. Several criteria were used to examine whether they may be applied as snail-specific for the screening of the presumptive probiotic bacterial strains. Principal Component Analysis using criteria such as the tolerance of these strains to the pedal mucus, gastric mucus, gastric juices and low pH, as well as the expression of the cell surface traits of hydrophobicity, biofilm formation and autoaggregation capacity revealed discrimination of twelve strains exhibiting presumptive in vitro probiotic properties. Injection of eight of these strains, which were identified as Lactobacillus plantarum, in snail haemocoel increased the recruitment and phagocytic activity of amoebocytes in snail haemolymph. The Sgs14 and SgmB strains, exhibiting the highest immunostimulatory activity in haemolymph, were FITC-labelled and orally administrated to snails for ten days. The Sgs14 strain was able to adhere to intestinal mucosa of snails and stimulate the chemotactic and phagocytic activity of amoebocytes in haemolymph as well as the bactericidal activity of haemolymph serum. These responses are potentially mediated by the regulation of TLRs expression in the gut mucosa. These data indicate that the determination of properties such as snail mucus and gastric juice tolerance, cell surface traits for adhesion as well as increased chemotactic and phagocytic activity in snail haemolymph are eligible criteria to screen for snail-specific probiotics. To the best of our knowledge, this is the first work that investigates the probiotic properties of gastrointestinal microflora of the terrestrial farmed snail Cornu aspersum maxima.
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Affiliation(s)
- Esmeralda Dushku
- Department of Genetics, Development & Molecular Biology, School of Biology, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Athanasia Ioannou
- Department of Genetics, Development & Molecular Biology, School of Biology, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Alexandra Staikou
- Department of Zoology, School of Biology, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Minas Yiangou
- Department of Genetics, Development & Molecular Biology, School of Biology, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece.
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Azad MAK, Sarker M, Wan D. Immunomodulatory Effects of Probiotics on Cytokine Profiles. BIOMED RESEARCH INTERNATIONAL 2018; 2018:8063647. [PMID: 30426014 PMCID: PMC6218795 DOI: 10.1155/2018/8063647] [Citation(s) in RCA: 217] [Impact Index Per Article: 36.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Accepted: 10/08/2018] [Indexed: 12/15/2022]
Abstract
Probiotics confer immunological protection to the host through the regulation, stimulation, and modulation of immune responses. Researchers have shifted their attention to better understand the immunomodulatory effects of probiotics, which have the potential to prevent or alleviate certain pathologies for which proper medical treatment is as yet unavailable. It has been scientifically established that immune cells (T- and B-cells) mediate adaptive immunity and confer immunological protection by developing pathogen-specific memory. However, this review is intended to present the recent studies on immunomodulatory effects of probiotics. In the early section of this review, concepts of probiotics and common probiotic strains are focused on. On a priority basis, the immune system, along with mucosal immunity in the human body, is discussed in this study. It has been summarized that a number of species of Lactobacillus and Bifidobacterium exert vital roles in innate immunity by increasing the cytotoxicity of natural killer cells and phagocytosis of macrophages and mediate adaptive immunity by interacting with enterocytes and dendritic, Th1, Th2, and Treg cells. Finally, immunomodulatory effects of probiotics on proinflammatory and anti-inflammatory cytokine production in different animal models have been extensively reviewed in this paper. Therefore, isolating new probiotic strains and investigating their immunomodulatory effects on cytokine profiles in humans remain a topical issue.
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Affiliation(s)
- Md. Abul Kalam Azad
- Hunan Province Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agroecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Changsha, Hunan 410125, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Manobendro Sarker
- Biomass Energy Engineering Research Centre, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
- Key Laboratory of Urban Agriculture (South), Ministry of Agriculture, 800 Dongchuan Road, Shanghai 200240, China
- Department of Food Engineering and Technology, State University of Bangladesh, Dhaka 1205, Bangladesh
| | - Dan Wan
- Hunan Province Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agroecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Changsha, Hunan 410125, China
- Academician Workstation of Hunan Baodong Farming Co., Ltd., Hunan 422001, China
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Saxami G, Karapetsas A, Chondrou P, Vasiliadis S, Lamprianidou E, Kotsianidis I, Ypsilantis P, Botaitis S, Simopoulos C, Galanis A. Potentially probiotic Lactobacillus strains with anti-proliferative activity induce cytokine/chemokine production and neutrophil recruitment in mice. Benef Microbes 2017; 8:615-623. [PMID: 28618861 DOI: 10.3920/bm2016.0202] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Lactobacillus pentosus B281 and Lactobacillus plantarum B282 are two Lactobacillus strains previously isolated from fermented table olives. Both strains were found to possess probiotic properties and displayed desirable technological characteristics for application as starters in novel functional food production. In the present study the anti-proliferative and immunostimulatory activities of the two strains were investigated. Firstly, we demonstrated that live L. pentosus B281 and L. plantarum B282 significantly inhibited the growth of human colon cancer cells (Caco-2) in a time- and dose-dependent manner. By employing the air pouch system in mice, we showed that administration of both strains led to a rapid and statistically significant infiltration of leukocytes in the air pouch exudates. The phenotypical characterisation of the recruited immune cells was performed by flow cytometry analysis. We demonstrated that the majority of the infiltrated leukocytes were neutrophils. Finally by using the Mouse Cytokine Array Panel A Detection Antibody cocktail, we showed that both strains induced the expression of granulocyte-colony stimulating factor, interleukin (IL)-1α, IL-1β, IL-6, chemokine (C-X-C motif) ligand (CXCL)-1, chemokine (C-C motif) ligand (CCL)-3, CCL-4, and CXCL-2 and diminished the expression levels of soluble intercellular adhesion molecule, macrophage colony-stimulating factor and metallopeptidase inhibitor 1. Our results showed that both strains display anti-proliferative and immunostimulatory properties equal or even better in some cases than those of established and commonly used probiotic strains. These findings further support the probiotic character of the two strains.
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Affiliation(s)
- G Saxami
- 1 Department of Molecular Biology and Genetics, Democritus University of Thrace, Alexandroupolis 68100, Greece
| | - A Karapetsas
- 1 Department of Molecular Biology and Genetics, Democritus University of Thrace, Alexandroupolis 68100, Greece
| | - P Chondrou
- 1 Department of Molecular Biology and Genetics, Democritus University of Thrace, Alexandroupolis 68100, Greece
| | - S Vasiliadis
- 1 Department of Molecular Biology and Genetics, Democritus University of Thrace, Alexandroupolis 68100, Greece
| | - E Lamprianidou
- 2 Department of Hematology, Medical School, Democritus University of Thrace, Alexandroupolis 68100, Greece
| | - I Kotsianidis
- 2 Department of Hematology, Medical School, Democritus University of Thrace, Alexandroupolis 68100, Greece
| | - P Ypsilantis
- 3 Laboratory of Experimental Surgery and Surgical Research, Medical School, Democritus University of Thrace, Alexandroupolis 68100, Greece
| | - S Botaitis
- 3 Laboratory of Experimental Surgery and Surgical Research, Medical School, Democritus University of Thrace, Alexandroupolis 68100, Greece
| | - C Simopoulos
- 3 Laboratory of Experimental Surgery and Surgical Research, Medical School, Democritus University of Thrace, Alexandroupolis 68100, Greece
| | - A Galanis
- 1 Department of Molecular Biology and Genetics, Democritus University of Thrace, Alexandroupolis 68100, Greece
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Gluten exacerbates IgA nephropathy in humanized mice through gliadin–CD89 interaction. Kidney Int 2015; 88:276-85. [DOI: 10.1038/ki.2015.94] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Revised: 01/20/2015] [Accepted: 02/05/2015] [Indexed: 12/13/2022]
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Abstract
Probiotic organisms are claimed to offer several functional properties including stimulation of immune system. This review is presented to provide detailed informations about how probiotics stimulate our immune system. Lactobacillus rhamnosus GG, Lactobacillus casei Shirota, Bifidobacterium animalis Bb-12, Lactobacillus johnsonii La1, Bifidobacterium lactis DR10, and Saccharomyces cerevisiae boulardii are the most investigated probiotic cultures for their immunomodulation properties. Probiotics can enhance nonspecific cellular immune response characterized by activation of macrophages, natural killer (NK) cells, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in strain-specific and dose-dependent manner. Mixture and type (gram-positive and gram-negative) of probiotic organisms may induce different cytokine responses. Supplementation of probiotic organisms in infancy could help prevent immune-mediated diseases in childhood, whereas their intervention in pregnancy could affect fetal immune parameters, such as cord blood interferon (IFN)-γ levels, transforming growth factor (TGF)-β1 levels, and breast milk immunoglobulin (Ig)A. Probiotics that can be delivered via fermented milk or yogurt could improve the gut mucosal immune system by increasing the number of IgA(+) cells and cytokine-producing cells in the effector site of the intestine.
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Affiliation(s)
- Rabia Ashraf
- a Faculty of Health Engineering and Science, School of Biomedical and Health Sciences , Victoria University , Werribee Campus, P.O. Box 14428 , Melbourne , Victoria , 8001 , Australia
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Kemgang TS, Kapila S, Shanmugam VP, Kapila R. Cross-talk between probiotic lactobacilli and host immune system. J Appl Microbiol 2014; 117:303-19. [PMID: 24738909 DOI: 10.1111/jam.12521] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Revised: 04/02/2014] [Accepted: 04/08/2014] [Indexed: 12/14/2022]
Abstract
The mechanism by which probiotic lactobacilli affect the immune system is strain specific. As the immune system is a multicompartmental system, each strain has its way to interact with it and induce a visible and quantifiable effect. This review summarizes the interplay existing between the host immune system and probiotic lactobacilli, that is, with emphasis on lactobacilli as a prototype probiotic genus. Several aspects including the bacterial-host cross-talk with the mucosal and systemic immune system are presented, as well as short sections on the competing effect towards pathogenic bacteria and their uses as delivery vehicle for antigens.
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Affiliation(s)
- T S Kemgang
- Department of Animal Biochemistry, National Dairy Research Institute, Karnal, Haryana, India; Department of Food Science/Nutrition, National School of AgroIndustrial Sciences, University of Ngaoundere, Ngaoundere, Adamaoua, Cameroon
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Mantzouridou F, Karousioti A, Kiosseoglou V. Formulation optimization of a potentially prebiotic low-in-oil oat-based salad dressing to improve Lactobacillus paracasei subsp. paracasei survival and physicochemical characteristics. Lebensm Wiss Technol 2013. [DOI: 10.1016/j.lwt.2013.04.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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DRIEL BOAZVAN, LIAO GONGXIAN, ROMERO XAVIER, O’KEEFFE MICHAELS, WANG GUOXING, FAUBION WILLIAMA, BERGER SCOTTB, MAGELKY ERICAM, MANOCHA MONIKA, AZCUTIA VERONICA, GRISHAM MATTHEW, LUSCINSKAS FRANCISW, MIZOGUCHI EMIKO, MALEFYT RENEDEWAAL, REINECKER HANS, BHAN ATULK, WANG NINGHAI, TERHORST COX. Signaling lymphocyte activation molecule regulates development of colitis in mice. Gastroenterology 2012; 143:1544-1554.e7. [PMID: 22960654 PMCID: PMC3578298 DOI: 10.1053/j.gastro.2012.08.042] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2011] [Revised: 08/17/2012] [Accepted: 08/19/2012] [Indexed: 01/01/2023]
Abstract
BACKGROUND & AIMS Signaling lymphocyte activation molecule (Slamf)1 is a co-stimulatory receptor on T cells and regulates cytokine production by macrophages and dendritic cells. Slamf1 regulates microbicidal mechanisms in macrophages, therefore we investigated whether the receptor affects development of colitis in mice. METHODS We transferred CD45RB(hi) CD4(+) T cells into Rag(-/-) or Slamf1(-/-)Rag(-/-) mice to induce colitis. We also induced colitis by injecting mice with an antibody that activates CD40. We determined the severity of enterocolitis based on disease activity index, histology scores, and levels of cytokine production, and assessed the effects of antibodies against Slamf1 on colitis induction. We quantified migration of monocytes and macrophage to inflamed tissues upon induction of colitis or thioglycollate-induced peritonitis and in response to tumor necrosis factor-α in an air-pouch model of leukocyte migration. RESULTS Colitis was reduced in Slamf1(-/-)Rag(-/-) mice, compared with Rag(-/-) mice, after transfer of CD45RB(hi) CD4(+) T cells or administration of the CD40 agonist. The numbers of monocytes and macrophages were reduced in inflamed tissues of Slamf1(-/-)Rag(-/-) mice, compared with Rag(-/-) mice, after induction of colitis and other inflammatory disorders. An antibody that inhibited Slamf1 reduced the level of enterocolitis in Rag(-/-) mice. CONCLUSIONS Slamf1 contributes to the development of colitis in mice. It appears to indirectly regulate the appearance of monocytes and macrophages in inflamed intestinal tissues. Antibodies that inhibit Slamf1 reduce colitis in mice, so human SLAMF1 might be a therapeutic target for inflammatory bowel disease.
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Affiliation(s)
- BOAZ VAN DRIEL
- Division of Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - GONGXIAN LIAO
- Division of Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - XAVIER ROMERO
- Division of Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - MICHAEL S. O’KEEFFE
- Division of Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - GUOXING WANG
- Division of Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | | | - SCOTT B. BERGER
- Division of Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - ERICA M. MAGELKY
- Division of Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - MONIKA MANOCHA
- Division of Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - VERONICA AZCUTIA
- Vascular Research Division, Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - MATTHEW GRISHAM
- Department of Molecular and Cellular Physiology, Louisiana State University Health Science Center, Shreveport, Louisiana
| | - FRANCIS W. LUSCINSKAS
- Vascular Research Division, Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - EMIKO MIZOGUCHI
- Department of Medicine, Gastrointestinal Unit, Boston, Massachusetts
,Center for the Study of Inflammatory Bowel Disease, Harvard Medical School, Boston, Massachusetts
| | - RENE DE WAAL MALEFYT
- Department of Immunology, Merck Research Laboratories (formerly Schering-Plough Biopharma), Palo Alto, California
| | | | - ATUL K. BHAN
- Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - NINGHAI WANG
- Division of Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - COX TERHORST
- Division of Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
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Mantzouridou F, Spanou A, Kiosseoglou V. An inulin-based dressing emulsion as a potential probiotic food carrier. Food Res Int 2012. [DOI: 10.1016/j.foodres.2011.12.016] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Gluten induces coeliac-like disease in sensitised mice involving IgA, CD71 and transglutaminase 2 interactions that are prevented by probiotics. J Transl Med 2012; 92:625-35. [PMID: 22330344 DOI: 10.1038/labinvest.2012.13] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Coeliac disease (CD) is a malabsorptive enteropathy resulting from intolerance to gluten. Environmental factors and the microbiota are suggested to have critical roles in the onset of CD. The CD71 IgA receptor on epithelial cells is responsible for abnormal retrotranscytosis of IgA-gluten peptide complexes from the intestinal lumen into the lamina propria, inducing intestinal inflammation. However, understanding the role of gluten in the CD physiopathology has been hindered by the absence of relevant animal models. Here, we generated a mouse model for CD to study the factors controlling its pathogenesis as well as to investigate the influence of oral delivery of probiotics on disease development. Gluten sensitivity was established by feeding three generations of BALB/c mice a gluten-free diet (G-) followed by gluten challenge (G+) for 30 days. The G+ mice developed villous atrophy, crypt hyperplasia and infiltration of T cells and macrophages in the small intestine. Inflammation was associated with an overexpression of CD71 on the apical side of enterocytes and an increase of plasma cells producing IgA, which colocalised with the CD71. Moreover, IgA colocalised with the transglutaminase 2 (TG2), the production of which was increased in the lamina propria of G+ mice. These mice displayed increased production of cyclooxygenase-2 (COX-2), pro-inflammatory cytokines and IL-15, as well as anti-gliadin and anti-TG2 autoantibodies. The commensal flora-isolated presumptive probiotic Saccharomyces boulardii KK1 strain hydrolysed the 28-kDa α-gliadin fraction, and its oral delivery in G+ mice improved enteropathy development in association with decrease of epithelial cell CD71 expression and local cytokine production. In conclusion, the G+ BALB/c mouse represents a new mouse model for human CD based on histopathological features and expression of common biomarkers. The selected probiotic treatment reversing disease development will allow the study of the role of probiotics as a new therapeutic approach of CD.
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Kotzamanidis C, Kourelis A, Litopoulou-Tzanetaki E, Tzanetakis N, Yiangou M. Evaluation of adhesion capacity, cell surface traits and immunomodulatory activity of presumptive probiotic Lactobacillus strains. Int J Food Microbiol 2010; 140:154-63. [PMID: 20452079 DOI: 10.1016/j.ijfoodmicro.2010.04.004] [Citation(s) in RCA: 113] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2010] [Revised: 03/29/2010] [Accepted: 04/01/2010] [Indexed: 12/20/2022]
Abstract
Twelve lactobacilli previously isolated from newborn infants' gastrointestinal tract and Feta cheese were further characterized by pulse field gel eletrophoresis (PFGE). All strains exhibited distinct PFGE genotypic patterns with the exception of DC421 and DC423 strains possessing identical patterns. The strains DC421, 2035 and 2012 were found to posses certain cell surface traits such as hydrophobicity, autoaggregation and/or high adhesive capacity suggesting potential immunomodulatory activity. However, application of the dorsal mouse air pouch system revealed that only the DC421, DC429 and 2035 strains exhibited strong immunostimulatory activity such as increased chemotaxis of polymorphonuclear (PMN) cells in association with increased phagocytosis and cytokine production. The same strains also induced immunomodulatory activity in the gut associated lymphoid tissue in mice in the absence of any inflammatory response. All strains induced IgA production while reduced TNFalpha production by small intestine cells. The strains DC421 and DC429 exerted their effect on the intestine through Toll-like receptor TLR2/TLR4/TLR9 mediated signalling events leading to secretion of a certain profile of cytokines in which gamma interferon (IFN-gamma), interleukin (IL)-5, IL-6 and IL-10 are included. The strain 2035 induced similar cytokine profile through the synergy of TLR2/TLR4. This study further supports the eligibility of the air pouch model to discriminate presumptive probiotic Lactobacillus strains exhibiting immunostimulatory activity in the gut. Furthermore, evidence is provided that the cell surface traits examined may not be the only criteria but an alternative and important component of a complex mechanism that enables a microorganism to interact with the host gut to exert its immunoregulatory activity.
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Affiliation(s)
- Charalambos Kotzamanidis
- Department of Genetics, Development & Molecular Biology, Biology School, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
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Kourelis A, Kotzamanidis C, Litopoulou-Tzanetaki E, Papaconstantinou J, Tzanetakis N, Yiangou M. Immunostimulatory activity of potential probiotic yeast strains in the dorsal air pouch system and the gut mucosa. J Appl Microbiol 2009; 109:260-71. [PMID: 20059615 DOI: 10.1111/j.1365-2672.2009.04651.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
AIMS To determine the immunostimulatory activity of 15 presumptive probiotic yeast strains in the dorsal air pouch system in comparison with their activity in the gut mucosa. METHODS AND RESULTS Presumptive probiotic yeast strains previously isolated from human gastrointestinal tract and Feta cheese were further characterized genotypically and biochemically. The Saccharomyces cerevisiae 982, Saccharomyces boulardii KK1 and Kluyveromyces lactis 630 strains exhibited in the air pouch increased polymorphonuclear cell influx and phagocytic activity as well as cytokine production with similar potency as the probiotics Ultra levure S. boulardii and Lactobacillus acidophilus NCFB 1748. Oral administration of these strains in mice results in differential activation of small intestine immune responses concerning IgA and cytokine production as well as Toll-like receptor expression. CONCLUSION Besides the Saccharomyces strains 982 and KK1, the K. lactis 630 strain could also be considered as a candidate probiotic. SIGNIFICANCE AND IMPACT OF THE STUDY The air pouch model may be used as an alternative and rapid method for the discrimination and selection of potential probiotic yeast strains.
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Affiliation(s)
- A Kourelis
- Department of Genetics, Development & Molecular Biology, Biology School, Aristotle University of Thessaloniki, Thessaloniki, Greece
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