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Ullah S, Khan I, Lnu A, Ullah Khan J, Syed A, Shafiq F, Khan M, Khan FR. Probiotics vs. Placebo: Preventing Necrotizing Enterocolitis in a Premature Infant. Cureus 2024; 16:e68848. [PMID: 39376813 PMCID: PMC11456835 DOI: 10.7759/cureus.68848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/03/2024] [Indexed: 10/09/2024] Open
Abstract
BACKGROUND Necrotizing enterocolitis (NEC) is a severe gastrointestinal condition primarily affecting preterm newborns, leading to significant morbidity and mortality. OBJECTIVE This prospective cohort study aimed to evaluate the effectiveness of probiotics in preventing NEC in premature infants. Secondary objectives included assessing the impact on mortality, late-onset sepsis, duration of hospital stay, and weight gain. METHODS The study was conducted at Lady Reading Hospital Medical Teaching Institute, Peshawar, from April 1, 2023, to March 31, 2024, involving 102 preterm infants. Participants were randomly assigned to receive daily oral probiotics (Lactobacillus and Bifidobacterium species) or a placebo. RESULTS The incidence of NEC was significantly lower in the probiotic group (7.8%) compared to the placebo group (21.6%; p = 0.04). The probiotic group also showed significant reductions in late-onset sepsis (13.7% vs. 29.4%; p = 0.03), shorter hospital stays (42.5 vs. 48.1 days; p = 0.02), and greater weight gain (15.3 vs. 13.4 grams/day; p = 0.01). CONCLUSION These findings support the integration of probiotics into neonatal care, particularly in resource-limited settings.
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Affiliation(s)
- Sami Ullah
- Pediatric Medicine, Lady Reading Hospital Medical Teaching Institute, Peshawar, PAK
| | - Inayatullah Khan
- Pediatric Medicine, Lady Reading Hospital Medical Teaching Institute, Peshawar, PAK
| | - Ayesha Lnu
- Pediatric Medicine, Peshawar Institute of Medical Sciences, Peshawar, PAK
| | - Jabran Ullah Khan
- Pediatric Medicine, Lady Reading Hospital Medical Teaching Institute, Peshawar, PAK
| | - Annam Syed
- Pediatric Medicine, Lady Reading Hospital Medical Teaching Institute, Peshawar, PAK
| | - Fatima Shafiq
- Pediatric Medicine, Lady Reading Hospital Medical Teaching Institute, Peshawar, PAK
| | - Muhammad Khan
- Pediatric Medicine, Lady Reading Hospital Medical Teaching Institute, Peshawar, PAK
| | - Fahad R Khan
- Cardiology, Lady Reading Hospital Medical Teaching Institute, Peshawar, PAK
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Sabahat SE, Saqib M, Talib M, Shaikh TG, Khan T, Kailash SJ. Bile acid modulation by gut microbiota: a bridge to understanding cognitive health. Ann Med Surg (Lond) 2024; 86:5410-5415. [PMID: 39239005 PMCID: PMC11374218 DOI: 10.1097/ms9.0000000000002433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2024] [Accepted: 07/26/2024] [Indexed: 09/07/2024] Open
Abstract
The gut microbiota plays an important role in regulating the body's physiological system, and more recently its impact on bile acid metabolism and cognitive function has been investigated by many studies. In addition to their conventional function in fat digestion and absorption, bile acids are now considered crucial signaling molecules that control several metabolic processes and immunological responses. For this purpose, the authors conducted comprehensive research using relevant terms in an attempt to understand more about the gut microbiota and its impact on bile acid metabolism and cognitive health. The gut-brain axis refers to the network of routes through which gut bacteria communicate with the brain. Through its capacity to bio-transform primary bile acids into secondary bile acids, the gut microbiota plays a significant role in bile acid metabolism. Bile acids function as signaling molecules and act on the brain through nuclear and membrane-bound receptors, influencing neurotransmitter production, neuroinflammation, and neuroplasticity to modify this communication. Any dysregulation in this axis can result in cognitive dysfunction. The link between gut microbiota, bile acids, and cognitive health cannot be ignored. It is imperative to explore this link further by conducting large-scale trials to improve the cognitive health of patients with multiple comorbidities, especially those involving the gastrointestinal tract and nervous system.
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Affiliation(s)
| | - Muhammad Saqib
- Shaheed Mohtarma Benazir Bhutto Medical University, Larkana, Pakistan
| | - Muneeba Talib
- Karachi Medical and Dental College, Karachi, Pakistan
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El Jeni R, Villot C, Koyun OY, Osorio-Doblado A, Baloyi JJ, Lourenco JM, Steele M, Callaway TR. Invited review: "Probiotic" approaches to improving dairy production: Reassessing "magic foo-foo dust". J Dairy Sci 2024; 107:1832-1856. [PMID: 37949397 DOI: 10.3168/jds.2023-23831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 10/24/2023] [Indexed: 11/12/2023]
Abstract
The gastrointestinal microbial consortium in dairy cattle is critical to determining the energetic status of the dairy cow from birth through her final lactation. The ruminant's microbial community can degrade a wide variety of feedstuffs, which can affect growth, as well as production rate and efficiency on the farm, but can also affect food safety, animal health, and environmental impacts of dairy production. Gut microbial diversity and density are powerful tools that can be harnessed to benefit both producers and consumers. The incentives in the United States to develop Alternatives to Antibiotics for use in food-animal production have been largely driven by the Veterinary Feed Directive and have led to an increased use of probiotic approaches to alter the gastrointestinal microbial community composition, resulting in improved heifer growth, milk production and efficiency, and animal health. However, the efficacy of direct-fed microbials or probiotics in dairy cattle has been highly variable due to specific microbial ecological factors within the host gut and its native microflora. Interactions (both synergistic and antagonistic) between the microbial ecosystem and the host animal physiology (including epithelial cells, immune system, hormones, enzyme activities, and epigenetics) are critical to understanding why some probiotics work but others do not. Increasing availability of next-generation sequencing approaches provides novel insights into how probiotic approaches change the microbial community composition in the gut that can potentially affect animal health (e.g., diarrhea or scours, gut integrity, foodborne pathogens), as well as animal performance (e.g., growth, reproduction, productivity) and fermentation parameters (e.g., pH, short-chain fatty acids, methane production, and microbial profiles) of cattle. However, it remains clear that all direct-fed microbials are not created equal and their efficacy remains highly variable and dependent on stage of production and farm environment. Collectively, data have demonstrated that probiotic effects are not limited to the simple mechanisms that have been traditionally hypothesized, but instead are part of a complex cascade of microbial ecological and host animal physiological effects that ultimately impact dairy production and profitability.
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Affiliation(s)
- R El Jeni
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602
| | - C Villot
- Lallemand SAS, Blagnac, France, 31069
| | - O Y Koyun
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602
| | - A Osorio-Doblado
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602
| | - J J Baloyi
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602
| | - J M Lourenco
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602
| | - M Steele
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada, N1G 2W1
| | - T R Callaway
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602.
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Trivedi A, Teo E, Walker KS. Probiotics for the postoperative management of term neonates after gastrointestinal surgery. Cochrane Database Syst Rev 2024; 1:CD012265. [PMID: 38258877 PMCID: PMC10804440 DOI: 10.1002/14651858.cd012265.pub2] [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] [Indexed: 01/24/2024]
Abstract
BACKGROUND The intestinal microflora has an essential role in providing a barrier against colonisation of pathogens, facilitating important metabolic functions, stimulating the development of the immune system, and maintaining intestinal motility. Probiotics are live microorganisms that can be administered to supplement the gut flora. Neonates who have undergone gastrointestinal surgery are particularly susceptible to infectious complications in the postoperative period. This may be partly due to a disruption of the integrity of the gut and its intestinal microflora. There may be a role for probiotics in reducing the incidence of sepsis and improving intestinal motility, thus reducing morbidity and mortality and improving enteral feeding in neonates in the postoperative period. OBJECTIVES To evaluate the efficacy and safety of administering probiotics after gastrointestinal surgery for the postoperative management of neonates born from 35 weeks of gestation. SEARCH METHODS We searched CENTRAL, MEDLINE, Embase, and trial registries in August 2023. We checked reference lists of included studies and relevant systematic reviews for additional studies. SELECTION CRITERIA We included randomised controlled trials (RCTs) that investigated the postoperative administration of oral probiotics versus placebo or no treatment in neonates born from 35 weeks of gestation who had one or more gastrointestinal surgical procedures. We applied no restrictions regarding the type or dosage of probiotics or the duration of treatment. DATA COLLECTION AND ANALYSIS We used standard Cochrane methods, and we used GRADE to assess the certainty of evidence. MAIN RESULTS We identified one RCT that recruited 61 neonates with a gestational age of 35 weeks or more. All infants were admitted to a neonatal intensive care unit and had surgery for gastrointestinal pathologies. There may be little or no difference in proven sepsis (positive bacterial culture, local or systemic) between infants who receive probiotics compared with those who receive placebo (odds ratio (OR) 0.64, 95% confidence interval (CI) 0.16 to 2.55; 61 infants; low-certainty evidence). Probiotics compared to placebo may have little or no effect on time to full enteral feeds (mean difference (MD) 0.63 days, 95% CI -4.02 to 5.28; 61 infants; low-certainty evidence). There were no reported deaths prior to discharge from hospital in either study arm. Two weeks after supplementation, the infants who received probiotics had a substantially higher relative abundance of non-pathogenic intestinal microflora (Bifidobacteriaceae) than those who received placebo (MD 38.22, 95% CI 28.40 to 48.04; 39 infants; low-certainty evidence). AUTHORS' CONCLUSIONS This review provides low-certainty evidence from one small RCT that probiotics compared to placebo have little or no effect on the risk of proven sepsis (positive bacterial culture, local or systemic) or time to full-enteral feeds in neonates who have undergone gastrointestinal surgery. Probiotics may substantially increase the abundance of beneficial bacterial in the intestine of these neonates, but the clinical implications of this finding are unknown. There is a need for adequately powered RCTs to assess the role of probiotics in this population. We identified two ongoing studies. As neither reported the gestational age of prospective study participants, we are unsure if they will be eligible for inclusion in this review.
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Affiliation(s)
- Amit Trivedi
- Grace Centre for Newborn Intensive Care, The Children's Hospital at Westmead, Sydney, Australia
- Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
| | - Edward Teo
- Emergency Department, Concord Repatriation General Hospital, Sydney, Australia
| | - Karen S Walker
- Neonatal intensive Care Unit, Royal Prince Alfred hospital, Sydney, Australia
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Iancu MA, Profir M, Roşu OA, Ionescu RF, Cretoiu SM, Gaspar BS. Revisiting the Intestinal Microbiome and Its Role in Diarrhea and Constipation. Microorganisms 2023; 11:2177. [PMID: 37764021 PMCID: PMC10538221 DOI: 10.3390/microorganisms11092177] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 09/29/2023] Open
Abstract
The gut microbiota represents a community of microorganisms (bacteria, fungi, archaea, viruses, and protozoa) that colonize the gut and are responsible for gut mucosal structural integrity and immune and metabolic homeostasis. The relationship between the gut microbiome and human health has been intensively researched in the past years. It is now widely recognized that gut microbial composition is highly responsible for the general health of the host. Among the diseases that have been linked to an altered gut microbial population are diarrheal illnesses and functional constipation. The capacity of probiotics to modulate the gut microbiome population, strengthen the intestinal barrier, and modulate the immune system together with their antioxidant properties have encouraged the research of probiotic therapy in many gastrointestinal afflictions. Dietary and lifestyle changes and the use of probiotics seem to play an important role in easing constipation and effectively alleviating diarrhea by suppressing the germs involved. This review aims to describe how probiotic bacteria and the use of specific strains could interfere and bring benefits as an associated treatment for diarrhea and constipation.
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Affiliation(s)
- Mihaela Adela Iancu
- Department of Family Medicine, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania;
| | - Monica Profir
- Department of Oncology, Elias University Emergency Hospital, 011461 Bucharest, Romania; (M.P.); (O.A.R.)
| | - Oana Alexandra Roşu
- Department of Oncology, Elias University Emergency Hospital, 011461 Bucharest, Romania; (M.P.); (O.A.R.)
| | - Ruxandra Florentina Ionescu
- Department of Morphological Sciences, Cell and Molecular Biology and Histology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania;
- Department of Cardiology I, “Dr. Carol Davila” Central Military Emergency Hospital, 010825 Bucharest, Romania
| | - Sanda Maria Cretoiu
- Department of Morphological Sciences, Cell and Molecular Biology and Histology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania;
| | - Bogdan Severus Gaspar
- Surgery Clinic, Emergency Clinical Hospital, 014461 Bucharest, Romania;
- Department of Surgery, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
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Liang JQ, Zeng Y, Lau EYT, Sun Y, Huang Y, Zhou T, Xu Z, Yu J, Ng SC, Chan FKL. A Probiotic Formula for Modulation of Colorectal Cancer Risk via Reducing CRC-Associated Bacteria. Cells 2023; 12:cells12091244. [PMID: 37174650 PMCID: PMC10177585 DOI: 10.3390/cells12091244] [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: 01/26/2023] [Revised: 04/17/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023] Open
Abstract
Gut microbiota dysbiosis with increased pathogenic bacteria and decreased beneficial bacteria is associated with colorectal cancer (CRC) development. This study examined the effect of a newly developed probiotic formula in modulating CRC-related bacteria. We developed a probiotic formula containing three bifidobacteria (B. adolescentis, B. longum, and B. bifidum) based on the identification of bacterial species that showed significant correlations with CRC-related bacteria including Fusobacterium nucleatum (Fn), Lachnoclostridium sp. m3, Clostridium hathewayi (Ch), and Bacteroides clarus (Bc). We co-cultured Fn with each bifidobacterium or the combined formula and examined the growth of Fn by qPCR. The three individual bifidobacteria significantly inhibited the growth of Fn compared to the control treatment (24~65% inhibition; all p < 0.001). The combination of the three bifidobacteria showed a greater inhibitory effect on Fn growth (70% inhibition) than the individual bifidobacteria (all p < 0.05). We further examined the effect of the probiotic formula in a pilot study of 72 subjects (40 on probiotics; 32 with no intervention) for 4 weeks and followed them up for 12 weeks. The relative fecal abundances of the bifidobacteria in the formula and the CRC-related markers (Fn, m3, Ch, and Bc) were quantitated by qPCR before and after the intervention, and the combined CRC risk score (4Bac; Fn, m3, Ch, and Bc) was evaluated. Subjects with probiotics intervention showed significantly increased abundances of the bifidobacteria from week 2 to week 5 compared to baseline (p < 0.05), and the abundances dropped to baseline levels after the cessation of the intervention. There were significant decreases in the levels of CRC-related markers (Fn and m3) and the CRC risk score (4Bac) from week 2 to week 12 compared to baseline levels (p < 0.05) in the intervention group but not in the control group. A novel probiotic formula containing B. adolescentis, B. longum, and B. bifidum was effective in inhibiting the growth of F. nucleatum in vitro and improving the gut microbial environment against CRC development.
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Affiliation(s)
- Jessie Qiaoyi Liang
- Department of Medicine and Therapeutics, Institute of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
- Center for Gut Microbiota Research, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Yao Zeng
- Department of Medicine and Therapeutics, Institute of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
- Center for Gut Microbiota Research, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Effie Yin Tung Lau
- Department of Medicine and Therapeutics, Institute of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
- Center for Gut Microbiota Research, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Yuting Sun
- Department of Medicine and Therapeutics, Institute of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
- Center for Gut Microbiota Research, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
- Department of Microbiology, The Chinese University of Hong Kong, Hong Kong, China
| | - Yao Huang
- Department of Medicine and Therapeutics, Institute of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
- Center for Gut Microbiota Research, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Tingyu Zhou
- Department of Medicine and Therapeutics, Institute of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
- Center for Gut Microbiota Research, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Zhilu Xu
- Department of Medicine and Therapeutics, Institute of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
- Microbiota I-Center (MagIC), Hong Kong, China
| | - Jun Yu
- Department of Medicine and Therapeutics, Institute of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
| | - Siew Chien Ng
- Department of Medicine and Therapeutics, Institute of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
- Center for Gut Microbiota Research, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
- Microbiota I-Center (MagIC), Hong Kong, China
| | - Francis Ka Leung Chan
- Department of Medicine and Therapeutics, Institute of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
- Center for Gut Microbiota Research, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
- Microbiota I-Center (MagIC), Hong Kong, China
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Salami M, Soheili M. The microbiota-gut- hippocampus axis. Front Neurosci 2022; 16:1065995. [PMID: 36620458 PMCID: PMC9817109 DOI: 10.3389/fnins.2022.1065995] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 12/07/2022] [Indexed: 12/25/2022] Open
Abstract
Introduction It is well known that the intestinal bacteria substantially affect physiological processes in many body organs. Especially, through a bidirectional communication called as gut-microbiota-brain axis, the gut microbiota deeply influences development and function of the nervous system. Hippocampus, as a part of medial temporal lobe, is known to be involved in cognition, emotion, and anxiety. Growing evidence indicates that the hippocampus is a target of the gut microbiota. We used a broad search linking the hippocampus with the gut microbiota and probiotics. Methods All experimental studies and clinical trials published until end of 2021 were reviewed. Influence of the gut microbiota on the behavioral, electrophysiological, biochemical and histological aspects of the hippocampus were evaluated in this review. Results The effect of disrupted gut microbiota and probiotic supplements on the microbiota-hippocampus link is also considered. Studies show that a healthy gut microbiota is necessary for normal hippocampus dependent learning and memory and synaptic plasticity. The known current mechanisms are production and modulation of neurotrophins, neurotransmitters and receptors, regulation of intracellular molecular processes, normalizing the inflammatory/anti-inflammatory and oxidative/antioxidant factors, and histological stability of the hippocampus. Activity of the hippocampal neuronal circuits as well as behavioral functions of the hippocampus positively respond to different mixtures of probiotic bacteria. Discussion Growing evidence from animal researches indicate a close association between the hippocampus with the gut microbiota and probiotic bacteria as well. However, human studies and clinical trials verifying such a link are scant. Since the most of papers on this topic have been published over the past 3 years, intensive future research awaits.
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8
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Beneficial Effects of Lactic Acid Bacteria on Animal Reproduction Function. Vet Med Int 2022; 2022:4570320. [PMID: 36505731 PMCID: PMC9729032 DOI: 10.1155/2022/4570320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/22/2022] [Accepted: 11/23/2022] [Indexed: 12/02/2022] Open
Abstract
Considering the importance of a healthy uterus to the success of breeding, the beneficial effects of lactic acid bacteria on animal reproduction function are of particular interest. In recent decades, infertility has become a widespread issue, with microbiological variables playing a significant role. According to reports, dysbiosis of the vaginal microbiota is connected with infertility; however, the effect of the normal vaginal microbiota on infertility is unknown. In addition, lactic acid bacteria dominate the reproductive system. According to evidence, vaginal lactic acid bacteria play a crucial role in limiting the invasion of pathogenic bacteria by triggering anti-inflammatory chemicals through IL-8, IL-1, and IL-6; immunological responses through inhibition of the adherence of other microorganisms, production of inhibiting substances, and stimulation of mucus production; and also reproductive hormones by increased testosterone hormone release, enhanced the levels of luteinizing hormone, follicle stimulating hormone, the amount of prostaglandin E (2), and prostaglandin F2 alpha. The objective of this study was to compare the advantages of lactic acid bacteria in animal reproduction based on the most recent literature. The administration of a single strain or numerous strains of lactic acid bacteria has a favourable impact on steroidogenesis, gametogenesis, and animal fertility.
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Cheng Y, Xiang X, Liu C, Cai T, Li T, Chen Y, Bai J, Shi H, Zheng T, Huang M, Fu W. Transcriptomic Analysis Reveals Lactobacillus reuteri Alleviating Alcohol-Induced Liver Injury in Mice by Enhancing the Farnesoid X Receptor Signaling Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:12550-12564. [PMID: 36154116 PMCID: PMC9546515 DOI: 10.1021/acs.jafc.2c05591] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/09/2022] [Accepted: 09/11/2022] [Indexed: 06/16/2023]
Abstract
Alcoholic liver disease (ALD) is caused by alcohol abuse and can progress to hepatitis, cirrhosis, and even hepatocellular carcinoma. Previous studies suggested that Lactobacillus reuteri (L. reuteri) ameliorates ALD, but the exact mechanisms are not fully known. This study created an ALD model in mice, and the results showed L. reuteri significantly alleviating lipid accumulation in the mice. Transcriptome sequencing showed the L. reuteri treatment group had the most enriched metabolic pathway genes. We then studied the farnesoid X receptor (FXR) metabolic pathway in the mice liver tissue. Western blot analysis showed that FXR and carbohydrate response element binding protein (ChREBP) were upregulated and sterol regulatory element binding transcription factor 1 (Srebf1) and Cluster of differentiation (CD36) were downregulated in the L. reuteri-treated group. Subsequently, we administered FXR inhibitor glycine-β-muricholic acid (Gly-β-MCA) to mice, and the results show that Gly-β-MCA could reduce the therapeutic effect of L. ruteri. In conclusion, our study shows L. reuteri improved liver lipid accumulation in mice via the FXR signaling regulatory axis and may be a viable treatment option for ALD.
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Affiliation(s)
- Yonglang Cheng
- Department
of General Surgery (Hepatopancreatobiliary Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
| | - Xin Xiang
- Department
of General Surgery, The First People’s
Hospital of Neijiang, Neijiang641000, Sichuan, China
| | - Chen Liu
- Department
of General Surgery (Hepatopancreatobiliary Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
| | - Tianying Cai
- Department
of General Surgery (Hepatopancreatobiliary Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
| | - Tongxi Li
- Department
of General Surgery (Hepatopancreatobiliary Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
| | - Yifan Chen
- Department
of General Surgery (Hepatopancreatobiliary Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
| | - Junjie Bai
- Department
of General Surgery (Hepatopancreatobiliary Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
| | - Hao Shi
- Department
of General Surgery (Hepatopancreatobiliary Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
| | - Tianxiang Zheng
- Department
of General Surgery (Hepatopancreatobiliary Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
| | - Meizhou Huang
- Academician
(Expert) Workstation of Sichuan Province, The Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
| | - Wenguang Fu
- Department
of General Surgery (Hepatopancreatobiliary Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
- Academician
(Expert) Workstation of Sichuan Province, The Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
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Obianwuna UE, Qiu K, Chang XY, Zhang HJ, Wang J, Qi GH, Sun TH, Su YB, Wu SG. Enhancing egg production and quality by the supplementation of probiotic strains (Clostridium and Brevibacillus) via improved amino acid digestibility, intestinal health, immune response, and antioxidant activity. Front Microbiol 2022; 13:987241. [PMID: 36177461 PMCID: PMC9512665 DOI: 10.3389/fmicb.2022.987241] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 08/08/2022] [Indexed: 11/30/2022] Open
Abstract
This study focused on evaluating the influence of Clostridium butyricum and Brevibacillus strains on egg production, egg quality, immune response and antioxidant function, apparent fecal amino acid digestibility, and jejunal morphology when supplemented as probiotics in the diets of laying hens in the peak phase. A total of 288 healthy 30-week-old Hy-Line Brown laying hens were arbitrarily assigned to four dietary groups, which included control diet and control diet supplemented with 0.02% C. butyricum zlc-17, C. butyricum lwc-13, or Brevibacillus zlb-z1, for 84 days. The results showed that dietary C. butyricum and Brevibacillus sp. exerted a positively significant influence (P ≤ 0.05) compared to the control group on the performance, egg quality, and physiological response of the birds. The diets could reduce mortality rate and enhance (P ≤ 0.05) egg weight and egg mass, egg production rate, and feed efficiency. Further analysis suggested that the probiotic strains can enhance (P ≤ 0.05) eggshell quality, Haugh unit, thick albumen content, and albumen height. Also, probiotics enhanced (P ≤ 0.05) the antioxidant status via increased antioxidant enzymes and jejunal morphology as evidenced by increased villi surface area (VSA), the ratio of villi height to crypt depth, villi width, and villi height, and a significant reduction in crypt depth. Besides, nutrient absorption and retention were enhanced, as apparent fecal amino acid digestibility of key essential amino acids was substantially improved in the diet-based group. The concentrations of immunoglobulin M and A (IgM and IgA) increased significantly (P ≤ 0.05) in the probiotics group and the same effect was notable for complement proteins (C3) and immune organ (Spleen). Conclusively, the supplementation of Clostridium butyricum zlc-17 in comparison to Clostridium butyricum lwc-13 and Brevibacillus zlb-z1 strains significantly (P ≤ 0.05) promoted the antioxidant status, modulated the intestinal structure, enhanced amino acid digestibility, and regulated the immunity index of the laying hens, which finally improves the laying performance and egg quality of the laying hens.
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Affiliation(s)
- Uchechukwu Edna Obianwuna
- National Engineering Research Center of Biological Feed, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Kai Qiu
- National Engineering Research Center of Biological Feed, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xin-yu Chang
- National Engineering Research Center of Biological Feed, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Hai-jun Zhang
- National Engineering Research Center of Biological Feed, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jing Wang
- National Engineering Research Center of Biological Feed, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Guang-hai Qi
- National Engineering Research Center of Biological Feed, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Tie-hu Sun
- China Oil Foodstuffs Corporation (COFCO) Nutrition and Health Research Institute, Beijing, China
- *Correspondence: Tie-hu Sun,
| | - Yong-bo Su
- Technology Department, China Oil Foodstuffs Corporation (COFCO) (Beijing) Feed Technology Company Limited, Beijing, China
| | - Shu-geng Wu
- National Engineering Research Center of Biological Feed, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, China
- Shu-geng Wu,
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11
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Sun C, Gao X, Sun M, Wang Z, Wang Y, Zhao X, Jia F, Zhang T, Ge C, Zhang X, Zhang M, Yang G, Wang J, Huang H, Shi C, Yang W, Cao X, Wang N, Zeng Y, Wang C, Jiang Y. Protective effects of E. coli Nissle 1917 on chickens infected with Salmonella pullorum. Microb Pathog 2022; 172:105768. [PMID: 36096456 DOI: 10.1016/j.micpath.2022.105768] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 09/02/2022] [Accepted: 09/05/2022] [Indexed: 10/31/2022]
Abstract
The probiotic E. coli Nissle 1917 (EcN) plays an important role in regulating the microbial components of the gut and preventing inflammation of the gastrointestinal tract. Currently, the long-term use of antibiotics for the treatment of lethal white diarrhea in chicks caused by Salmonella has led to increased morbidity and mutation rates. Therefore, we want to use EcN as an antibiotic alternative as an alternative approach to prevent Salmonella-induced white diarrhea in chickens. To date, there are no reports of EcN being used for the prevention and control of Salmonella pullorum (S. pullorum) in chickens. In vitro, pretreatment with EcN significantly decreased the cellular invasion of S. pullorum CVCC533 in a chicken fibroblast (DF-1) cell model. Then, 0-day-old egg-laying chickens were orally inoculated with EcN at a dose of 109 CFU/100 μL at either Day 1 (EcN1) or both Day 1 and Day 4 (EcN2). Then, S. pullorum CVCC533 was used to challenge the cells at a dose of 1.0 × 107 CFU/100 μL on Day 8. Next, the body weights and survival rates were recorded for 14 consecutive days, and the colonization of S. pullorum in the spleen and liver at 7 days post-challenge (dpc) was determined. Chicken feces were also collected at 2, 4, 6 and 8 dpc to evaluate the excretion of pathogenic bacteria in feces. The liver, duodenum and rectum samples were collected and analyzed by pathological histology at 7 dpc to evaluate the protective effect of EcN on the mucosa, villi and crypts of the small intestine. The spleen and bursa were collected, and the immune organ index was calculated. In addition, the contents of the cecum of chicks were collected at 7 dpc for 16S rRNA sequencing to detect the distribution of microbial communities in the intestine. The results showed that EcN was able to protect against CVCC533 challenge, as shown by decreased body weight loss, mortality and shedding of pathogenic bacteria in fecal samples in the EcN1 plus Salmonella challenge group (EcN1S) but not the EcN2 plus Salmonella challenge group (EcN2S). The pathogenic changes in the liver, duodenum and rectum also demonstrated that one dose but not two doses of EcN effectively prolonged the length of the pilus with decreased crypt depth, indicating its protective effects against S. pullorum. In addition, the 16S rRNA sequencing results suggested that EcN could enlarge the diversity of intestinal flora, decrease the abundance of pathogenic bacteria and increase the abundance of beneficial bacteria, such as Lactobacillus. In conclusion, EcN has shown moderate protection against S. pullorum challenge in chickens.
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Affiliation(s)
- Chao Sun
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Xingyun Gao
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Ming Sun
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Zhannan Wang
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Ying Wang
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Xiaohan Zhao
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Futing Jia
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Tongyu Zhang
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Chongbo Ge
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Xiao Zhang
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Menglei Zhang
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Guilian Yang
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Jianzhong Wang
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Haibin Huang
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Chunwei Shi
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Wentao Yang
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Xin Cao
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Nan Wang
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Yan Zeng
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Chunfeng Wang
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China
| | - Yanlong Jiang
- College of Animal Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China.
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12
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Soheili M, Alinaghipour A, Salami M. Good bacteria, oxidative stress and neurological disorders: Possible therapeutical considerations. Life Sci 2022; 301:120605. [DOI: 10.1016/j.lfs.2022.120605] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 04/27/2022] [Accepted: 04/27/2022] [Indexed: 12/11/2022]
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13
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Zhou A, Yuan Y, Yang M, Huang Y, Li X, Li S, Yang S, Tang B. Crosstalk Between the Gut Microbiota and Epithelial Cells Under Physiological and Infectious Conditions. Front Cell Infect Microbiol 2022; 12:832672. [PMID: 35155283 PMCID: PMC8829037 DOI: 10.3389/fcimb.2022.832672] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 01/10/2022] [Indexed: 12/15/2022] Open
Abstract
The gastrointestinal tract (GIT) is considered the largest immunological organ, with a diverse gut microbiota, that contributes to combatting pathogens and maintaining human health. Under physiological conditions, the crosstalk between gut microbiota and intestinal epithelial cells (IECs) plays a crucial role in GIT homeostasis. Gut microbiota and derived metabolites can compromise gut barrier integrity by activating some signaling pathways in IECs. Conversely, IECs can separate the gut microbiota from the host immune cells to avoid an excessive immune response and regulate the composition of the gut microbiota by providing an alternative energy source and releasing some molecules, such as hormones and mucus. Infections by various pathogens, such as bacteria, viruses, and parasites, can disturb the diversity of the gut microbiota and influence the structure and metabolism of IECs. However, the interaction between gut microbiota and IECs during infection is still not clear. In this review, we will focus on the existing evidence to elucidate the crosstalk between gut microbiota and IECs during infection and discuss some potential therapeutic methods, including probiotics, fecal microbiota transplantation (FMT), and dietary fiber. Understanding the role of crosstalk during infection may help us to establish novel strategies for prevention and treatment in patients with infectious diseases, such as C. difficile infection, HIV, and COVID-19.
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Affiliation(s)
- An Zhou
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Yi Yuan
- Institution of Basic Medicine, Third Military Medical University, Chongqing, China
| | - Min Yang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Yujiao Huang
- The First Clinical College, ChongQing Medical University, Chongqing, China
| | - Xin Li
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Shengpeng Li
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Shiming Yang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
- *Correspondence: Shiming Yang, ; Bo Tang,
| | - Bo Tang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
- *Correspondence: Shiming Yang, ; Bo Tang,
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14
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Liu Y, Wang J, Wu C. Modulation of Gut Microbiota and Immune System by Probiotics, Pre-biotics, and Post-biotics. Front Nutr 2022; 8:634897. [PMID: 35047537 PMCID: PMC8761849 DOI: 10.3389/fnut.2021.634897] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 12/02/2021] [Indexed: 12/12/2022] Open
Abstract
The human gastrointestinal tract harbours a complex microbial community, which interacts with the mucosal immune system closely. Gut microbiota plays a significant role in maintaining host health, which could supply various nutrients, regulate energy balance, modulate the immune response, and defence against pathogens. Therefore, maintaining a favourable equilibrium of gut microbiota through modulating bacteria composition, diversity, and their activity is beneficial to host health. Several studies have shown that probiotics and pre-biotics could directly and indirectly regulate microbiota and immune response. In addition, post-biotics, such as the bioactive metabolites, produced by gut microbiota, and/or cell-wall components released by probiotics, also have been shown to inhibit pathogen growth, maintain microbiota balance, and regulate an immune response. This review summarises the studies concerning the impact of probiotics, pre-biotics, and post-biotics on gut microbiota and immune systems and also describes the underlying mechanisms of beneficial effects of these substances. Finally, the future and challenges of probiotics, pre-biotics, and post-biotics are proposed.
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Affiliation(s)
- Yue Liu
- Key Lab of Medical Molecular Cell Biology of Shanxi Province, Institutes of Biomedical Sciences, Shanxi University, Taiyuan, China.,The Provincial Key Laboratories for Prevention and Treatment of Major Infectious Diseases Shanxi, Institutes of Biomedical Sciences, Shanxi University, Taiyuan, China
| | - Jiaqi Wang
- Key Lab of Medical Molecular Cell Biology of Shanxi Province, Institutes of Biomedical Sciences, Shanxi University, Taiyuan, China.,The Provincial Key Laboratories for Prevention and Treatment of Major Infectious Diseases Shanxi, Institutes of Biomedical Sciences, Shanxi University, Taiyuan, China
| | - Changxin Wu
- Key Lab of Medical Molecular Cell Biology of Shanxi Province, Institutes of Biomedical Sciences, Shanxi University, Taiyuan, China.,The Provincial Key Laboratories for Prevention and Treatment of Major Infectious Diseases Shanxi, Institutes of Biomedical Sciences, Shanxi University, Taiyuan, China
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15
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Dowdell P, Chankhamhaengdecha S, Panbangred W, Janvilisri T, Aroonnual A. Probiotic Activity of Enterococcus faecium and Lactococcus lactis Isolated from Thai Fermented Sausages and Their Protective Effect Against Clostridium difficile. Probiotics Antimicrob Proteins 2021; 12:641-648. [PMID: 30888623 PMCID: PMC7306037 DOI: 10.1007/s12602-019-09536-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Lactic acid bacteria, Enterococcus faecium and Lactococcus lactis, previously isolated from Thai fermented sausages were elucidated their probiotic properties especially in the control of Clostridium difficile 630. Both isolates survived in simulated gastric solution at pH 3 followed in simulated intestinal solution at pH 8. The presence of skimmed milk also helped the bacteria to survive through acidic and alkaline in gastrointestinal conditions. The adhesion properties of both isolates were tested using a human colon adenocarcinoma cell line. The result showed that both isolates exhibited desirable probiotic properties which adhered to Caco-2 cells. The neutralized cell-free supernatant of both isolates demonstrated that no cytotoxicity toward Caco-2 cells vice versa cell-free supernatant of C. difficile 630 toward Caco-2 cell demonstrated high toxicity. The immunomodulation effect in response to bacterial neutralized cell-free supernatant and cell-free supernatant was also studied. The expression level of pro-inflammatory cytokine of Caco-2 cell which are tumor necrosis factor-α and interleukin-8 was evaluated using quantitative reverse transcriptase PCR. Both isolates were able to diminish the expression level of TNF-α and IL-8 induced by the cell-free supernatant of C. difficile 630. Hence, these isolates would be able to improve the gut health through counteracting the C. difficile-associated intestinal inflammation in human cell lines. These results may contribute to the development of the isolates using as probiotics.
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Affiliation(s)
- Panya Dowdell
- Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, Thailand
| | | | - Watanalai Panbangred
- Department of Biotechnology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Tavan Janvilisri
- Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Amornrat Aroonnual
- Department of Tropical Nutrition and Food Science, Faculty of Tropical Medicine, Mahidol University, Bangkok, 10400, Thailand.
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16
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Neveling DP, Dicks LMT. Probiotics: an Antibiotic Replacement Strategy for Healthy Broilers and Productive Rearing. Probiotics Antimicrob Proteins 2021; 13:1-11. [PMID: 32556932 DOI: 10.1007/s12602-020-09640-z] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Pathogens develop resistance to antibiotics at a rate much faster than the discovery of new antimicrobial compounds. Reports of multidrug-resistant bacteria isolated from broilers, and the possibility that these strains may spread diseases amongst humans, prompted many European countries to ban the inclusion of antibiotics in feed. Probiotics added to broiler feed controlled a number of bacterial infections. A combination of Enterococcus faecium, Pediococcus acidilactici, Bacillus animalis, Lactobacillus salivarius and Lactobacillus reuteri decreased the colonisation of Campylobacter jejuni and Salmonella Enteritidis in the gastro-intestinal tract (GIT) of broilers, whereas Bacillus subtilis improved feed conversion, intestinal morphology, stimulated the immune system and inhibited the colonisation of Campylobacter jejuni, Escherichia coli and Salmonella Minnesota. Lactobacillus salivarius and Pediococcus parvulus improved weight gain, bone characteristics, intestinal morphology and immune response, and decreased the colonisation of S. Enteritidis. Lactobacillus crispatus, L. salivarius, Lactobacillus gallinarum, Lactobacillus johnsonii, Enterococcus faecalis and Bacillus amyloliquefaciens decreased the Salmonella count and led to an increase in lysozyme and T lymphocytes. Probiotics may also improve feed digestion through production of phytases, lipases, amylases and proteases or stimulate the GIT to secrete digestive enzymes. Some strains increase the nutritional value of feed by production of vitamins, exopolysaccharides and antioxidants. Bacteriocins, if produced, regulate pathogen numbers in the GIT and keep pro-inflammatory and anti-inflammatory reactions in balance.
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Affiliation(s)
- Deon P Neveling
- Department of Microbiology, Stellenbosch University, Private Bag X1, Matieland, Stellenbosch, 7602, South Africa
| | - Leon M T Dicks
- Department of Microbiology, Stellenbosch University, Private Bag X1, Matieland, Stellenbosch, 7602, South Africa.
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17
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Sanikhani NS, Modarressi MH, Jafari P, Vousooghi N, Shafei S, Akbariqomi M, Heidari R, Lavasani PS, Yazarlou F, Motevaseli E, Ghafouri-Fard S. The Effect of Lactobacillus casei Consumption in Improvement of Obsessive-Compulsive Disorder: an Animal Study. Probiotics Antimicrob Proteins 2021; 12:1409-1419. [PMID: 32124236 DOI: 10.1007/s12602-020-09642-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Obsessive-compulsive disorder (OCD) is an important neuropsychiatric disorder worldwide. Common treatments of OCD include serotonergic antidepressants, which can cause potentially serious side effects. We assessed the effects of Lactobacillus casei (L. casei) Shirota consumption in an animal model of OCD. OCD-like symptoms were induced in rats by the chronic injection of the D2/D3 dopamine agonist quinpirole hydrochloride. Rats were classified into five groups of 6 rats. Four groups were injected chronically with quinpirole (0.5 mg/kg, twice weekly for 5 weeks). They were fed with L. casei Shirota (109 CF/g, daily for 4 weeks) (group 1), fluoxetine (10 mg/kg, daily for 4 weeks) (group 2), combination of L. casei Shirota and fluoxetine (group 3), and normal saline (positive control group). The last group did not receive dopamine agonist and was only injected with saline (negative control group). Expression levels of brain-derived neurotrophic factor (Bdnf), solute carrier family 6 member 4 (Slc6a4), and 5-hydroxytryptamine receptor type 2A (Htr2a) were assessed in orbitofrontal cortex tissues of all rats. Behavioral tests showed improvement of OCD signs in rats treated with L. casei Shirota, fluoxetine, and a combination of drugs. Quantitative PCR analysis showed a remarkable decrease in the expression of Bdnf and an increase in the expression of Htr2a in quinpirole-treated rats. After treatment with L. casei Shirota and fluoxetine, the expression level of Bdnf was increased remarkably, whereas Htr2a expression was decreased. The current study showed the effectiveness of L. casei Shirota in the treatment of OCD in a rat model. The beneficial effects of this probiotic are possibly exerted through the modulation of serotonin-related genes expression.
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Affiliation(s)
- Nafiseh Sadat Sanikhani
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Parvaneh Jafari
- Microbiology Department, Science faculty, Islamic Azad University, Arak branch, Arak, Iran
| | - Nasim Vousooghi
- Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Research Center for Cognitive and Behavioral Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Shilan Shafei
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, International Campus Tehran University of Medical Sciences, Tehran, Iran
| | - Mostafa Akbariqomi
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Heidari
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Paria Sadat Lavasani
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Yazarlou
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Elahe Motevaseli
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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18
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Wang H, He S, Xin J, Zhang T, Sun N, Li L, Ni X, Zeng D, Ma H, Bai Y. Psychoactive Effects of Lactobacillus johnsonii Against Restraint Stress-Induced Memory Dysfunction in Mice Through Modulating Intestinal Inflammation and permeability-a Study Based on the Gut-Brain Axis Hypothesis. Front Pharmacol 2021; 12:662148. [PMID: 34122081 PMCID: PMC8189558 DOI: 10.3389/fphar.2021.662148] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 05/11/2021] [Indexed: 12/24/2022] Open
Abstract
Though the underlying mechanism remains elusive, a close relationship between psychological stress and intestinal inflammation has been widely accepted. Such a link is very important to set the basis for our understanding of the critical role of gut-brain axis (GBA) in homeostatic processes in health and disease. Probiotics that could confer benefits to mental health through GBA are referred to as "psychobiotics". This study aimed to further determine whether a potential psychobiotic strain, Lactobacillus johnsonii BS15 could prevent memory dysfunction in mice induced by psychological stress through modulating the gut environment, including intestinal inflammation and permeability. Memory dysfunction in mice was induced by restraint stress (RS), one of the most commonly utilized models to mimic psychological stress. The mice were randomly categorized into three groups including no stress (NS), restraint stress (RS), and probiotic (RS-P) and administered with either phosphate buffered saline (NS and RS groups) or L. johnsonii BS15 (RS-P group) every day from day 1-28. From days 22-28, the mice in RS and RS-P groups were subjected to RS each day. Results revealed that BS15-pretreatment enhanced the performance of RS-induced mice during three different behavioral tests for memory ability and positively modulated the hypothalamic-pituitary-adrenal axis by attenuating the serum corticosterone level. In the hippocampus, L. johnsonii BS15 positively modulated the memory-related functional proteins related to synaptic plasticity, increased neurotransmitter levels, and prevented RS-induced oxidative stress and mitochondria-mediated apoptosis. In the intestines, L. johnsonii BS15 protected the RS-induced mice from damaged gut barrier by enhancing the mRNA levels of tight junction proteins and exerted beneficial effects on the anti-inflammatory cytokine levels reduced by RS. These findings provided more evidence to reveal the psychoactive effect of L. johnsonii BS15 against memory dysfunction in RS-induced mice by modulating intestinal inflammation and permeability.
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Affiliation(s)
- Hesong Wang
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Institute of Gastroenterology of Guangdong Province, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Shunhui He
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Institute of Gastroenterology of Guangdong Province, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Department of Gastroenterology, Shunde Hospital, Southern Medical University, Foshan, China
| | - Jinge Xin
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Tao Zhang
- School of Science, Xihua University, Chengdu, China
| | - Ning Sun
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Lianxin Li
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Xueqin Ni
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Dong Zeng
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Hailin Ma
- Plateau Brain Science Research Center, South China Normal University/Tibet University, Guangzhou, China
| | - Yang Bai
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Institute of Gastroenterology of Guangdong Province, Nanfang Hospital, Southern Medical University, Guangzhou, China
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19
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Rajeev R, Seethalakshmi PS, Jena PK, Prathiviraj R, Kiran GS, Selvin J. Gut microbiome responses in the metabolism of human dietary components: Implications in health and homeostasis. Crit Rev Food Sci Nutr 2021; 62:7615-7631. [PMID: 34016000 DOI: 10.1080/10408398.2021.1916429] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The gut microbiome and its link with human health and disease have gained a lot of attention recently. The microbiome executes its functions in the host by carrying out the transformation of dietary components and/or de novo synthesis of various essential nutrients. The presence of complex microbial communities makes it difficult to understand the host-microbiome interplay in the metabolism of dietary components. This review attempts to uncover the incredible role of the gut microbiome in the metabolism of dietary components, diet-microbiome interplay, and restoration of the microbiome. The in silico analysis performed in this study elucidates the functional description of essential/hub genes involved in the amino acid degradation pathway, which are mutually present in the host and its gut microbiome. Hence, the computational model helps comprehend the inter-and intracellular molecular networks between humans and their microbial partners.
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Affiliation(s)
- Riya Rajeev
- Department of Microbiology, Pondicherry University, Puducherry, India
| | - P S Seethalakshmi
- Department of Microbiology, Pondicherry University, Puducherry, India
| | - Prasant Kumar Jena
- Immunology and infectious disease research, Department of Pediatrics, Cedars Sinai Medical Center, Los Angeles, California, USA
| | - R Prathiviraj
- Department of Microbiology, Pondicherry University, Puducherry, India
| | - George Seghal Kiran
- Department of Food Science and Technology, Pondicherry University, Puducherry, India
| | - Joseph Selvin
- Department of Microbiology, Pondicherry University, Puducherry, India
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Yoon BJ, Oh HK, Lee J, Cho JR, Kim MJ, Kim DW, Kang SB. Effects of probiotics on bowel function restoration following ileostomy closure in rectal cancer patients: a randomized controlled trial. Colorectal Dis 2021; 23:901-910. [PMID: 33247529 DOI: 10.1111/codi.15463] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 10/14/2020] [Accepted: 11/17/2020] [Indexed: 12/13/2022]
Abstract
AIM The aim was to determine the efficacy of probiotics in restoring bowel function following ileostomy reversal in patients with rectal cancer. METHOD This was a pilot, randomized, double-blind, placebo-controlled trial. The probiotic used in this study, Lactobacillus plantarum CJLP243, was derived from kimchi. Patients were randomly allocated to a probiotic or placebo group and medication was taken once daily from preoperative day 1 to day 21. Primary outcomes were the Memorial Sloan Kettering Cancer Centre Bowel Function Index (MSKCC BFI) instrument and the low anterior resection syndrome score. The secondary outcomes were the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire C30 and CR29 questionnaire responses. RESULTS Forty patients were enrolled, and 36 patients (probiotics, n = 17; placebo, n = 19) completed the primary outcomes. Total scores for the MSKCC questionnaire (56.2 ± 12.0 vs. 55.0 ± 10.7, P = 0.356) and low anterior resection syndrome scores (33.3 ± 7.6 vs. 36.0 ± 5.3, P = 0.257) were not significantly different between the probiotic and placebo groups, respectively. In the MSKCC BFI, the postoperative dietary scale score at week 1 was significantly higher in the probiotic group (13.1 ± 3.8 vs. 9.0 ± 3.0, P < 0.001). There were no other significant differences between the two groups for any other questionnaire scores. CONCLUSION There were no significant effects supporting the use of a probiotic for improved bowel function in patients following ileostomy reversal. Nevertheless, the administration of probiotics showed trends toward improvements in some subscale bowel function measures, suggesting further studies may be warranted.
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Affiliation(s)
- Byung Jun Yoon
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Heung-Kwon Oh
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Jeehye Lee
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Jung Rae Cho
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Myung Jo Kim
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Duck-Woo Kim
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Sung-Bum Kang
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
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Mio K, Otake N, Nakashima S, Matsuoka T, Aoe S. Ingestion of High β-Glucan Barley Flour Enhances the Intestinal Immune System of Diet-Induced Obese Mice by Prebiotic Effects. Nutrients 2021; 13:907. [PMID: 33799564 PMCID: PMC7999470 DOI: 10.3390/nu13030907] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 03/04/2021] [Accepted: 03/09/2021] [Indexed: 01/13/2023] Open
Abstract
The prebiotic effect of high β-glucan barley (HGB) flour on the innate immune system of high-fat model mice was investigated. C57BL/6J male mice were fed a high-fat diet supplemented with HGB flour for 90 days. Secretory immunoglobulin A (sIgA) in the cecum and serum were analyzed by enzyme-linked immunosorbent assays (ELISA). Real-time PCR was used to determine mRNA expression levels of pro- and anti-inflammatory cytokines such as interleukin (IL)-10 and IL-6 in the ileum as well as the composition of the microbiota in the cecum. Concentrations of short-chain fatty acids (SCFAs) and organic acids were analyzed by GC/MS. Concentrations of sIgA in the cecum and serum were increased in the HGB group compared to the control. Gene expression levels of IL-10 and polymeric immunoglobulin receptor (pIgR) significantly increased in the HGB group. HGB intake increased the bacterial count of microbiota, such as Bifidobacterium and Lactobacillus. Concentrations of propionate and lactate in the cecum were increased in the HGB group, and a positive correlation was found between these organic acids and the IL-10 expression level. Our findings showed that HGB flour enhanced immune function such as IgA secretion and IL-10 expression, even when the immune system was deteriorated by a high-fat diet. Moreover, we found that HGB flour modulated the gut microbiota, which increased the concentration of SCFAs, thereby stimulating the immune system.
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Affiliation(s)
- Kento Mio
- Studies in Human Life Sciences, Graduate School of Studies in Human Culture, Otsuma Women’s University, Chiyoda-ku, Tokyo 102-8357, Japan; (K.M.); (N.O.)
- Research and Development Department, Hakubaku Co. Ltd., Chuo-City, Yamanashi 409-3843, Japan; (S.N.); (T.M.)
| | - Nami Otake
- Studies in Human Life Sciences, Graduate School of Studies in Human Culture, Otsuma Women’s University, Chiyoda-ku, Tokyo 102-8357, Japan; (K.M.); (N.O.)
| | - Satoko Nakashima
- Research and Development Department, Hakubaku Co. Ltd., Chuo-City, Yamanashi 409-3843, Japan; (S.N.); (T.M.)
| | - Tsubasa Matsuoka
- Research and Development Department, Hakubaku Co. Ltd., Chuo-City, Yamanashi 409-3843, Japan; (S.N.); (T.M.)
| | - Seiichiro Aoe
- Studies in Human Life Sciences, Graduate School of Studies in Human Culture, Otsuma Women’s University, Chiyoda-ku, Tokyo 102-8357, Japan; (K.M.); (N.O.)
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Zamanizadeh A, Mirakzehi MT, Agah MJ, Saleh H, Baranzehi T. A comparison of two probiotics Aspergillus oryzae and, Saccharomyces cerevisiae on productive performance, egg quality, small intestinal morphology, and gene expression in laying Japanese quail. ITALIAN JOURNAL OF ANIMAL SCIENCE 2021. [DOI: 10.1080/1828051x.2021.1878944] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Abbas Zamanizadeh
- Department of Animal Science, Higher Education Complex of Saravan, Sistan and Baluchestan, Saravan, Iran
| | - Mohammad Taher Mirakzehi
- Department of Animal Science, Higher Education Complex of Saravan, Sistan and Baluchestan, Saravan, Iran
| | - Mohammad Javad Agah
- Animal Science Research Department, Fars Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Shiraz, Iran
| | - Hassan Saleh
- Department of Animal Science, Higher Education Complex of Saravan, Sistan and Baluchestan, Saravan, Iran
| | - Tayebeh Baranzehi
- Departement of biology, University of Sistan and Baluchestan, Zahedan, Iran
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Salami M. Interplay of Good Bacteria and Central Nervous System: Cognitive Aspects and Mechanistic Considerations. Front Neurosci 2021; 15:613120. [PMID: 33642976 PMCID: PMC7904897 DOI: 10.3389/fnins.2021.613120] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 01/06/2021] [Indexed: 12/12/2022] Open
Abstract
The human gastrointestinal tract hosts trillions of microorganisms that is called “gut microbiota.” The gut microbiota is involved in a wide variety of physiological features and functions of the body. Thus, it is not surprising that any damage to the gut microbiota is associated with disorders in different body systems. Probiotics, defined as living microorganisms with health benefits for the host, can support or restore the composition of the gut microbiota. Numerous investigations have proved a relationship between the gut microbiota with normal brain function as well as many brain diseases, in which cognitive dysfunction is a common clinical problem. On the other hand, increasing evidence suggests that the existence of a healthy gut microbiota is crucial for normal cognitive processing. In this regard, interplay of the gut microbiota and cognition has been under focus of recent researches. In the present paper, I review findings of the studies considering beneficial effects of either gut microbiota or probiotic bacteria on the brain cognitive function in the healthy and disease statuses.
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Affiliation(s)
- Mahmoud Salami
- Physiology Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.,Department of Neuroscience, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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24
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Abd El-Hack ME, El-Saadony MT, Shafi ME, Qattan SYA, Batiha GE, Khafaga AF, Abdel-Moneim AME, Alagawany M. Probiotics in poultry feed: A comprehensive review. J Anim Physiol Anim Nutr (Berl) 2020; 104:1835-1850. [PMID: 32996177 DOI: 10.1111/jpn.13454] [Citation(s) in RCA: 154] [Impact Index Per Article: 38.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 08/25/2020] [Accepted: 08/26/2020] [Indexed: 01/06/2023]
Abstract
The use of antibiotics to maintain animal well-being, promote growth and improve efficiency has been practised for more than 50 years. However, as early as the 1950s, researchers identified concern on the development of resistant bacteria for the antibiotics streptomycin and tetracycline used in turkeys and broilers respectively. These findings laid the groundwork for agricultural officials to impose stricter regulatory parameters on the use of antibiotics in poultry feeds. Probiotics are live micro-organisms included in the diet of animals as feed additives or supplements. Commonly known as a direct-fed microbial, probiotics provide beneficial properties to the host, primarily through action in the gastrointestinal tract (GIT) of the animal. Supplementation of probiotics in the diet can improve animal health and performance, through contributions to gut health and nutrient use. For instance, supplementation of probiotics has been demonstrated to benefit farm animals in immune modulation, structural modulation and increased cytokine production, which positively affect the intestinal mucosal lining against pathogens. Bacillus subtilis has been a popular bacterium used within the industry and was shown to improve intestinal villus height. Increasing the villus height and structure of the crypts in the GIT allows for the improvement of nutrient digestion and absorption. Tight junctions maintain important defences against pathogenic bacteria and cellular homeostasis. Heat stress can be a major environmental challenge in the poultry industry. Heat stress causes the bird to fluctuate its internal core temperature beyond their comfort zone. To overcome such challenges, poultry will attempt to balance its heat production and dissipation through behavioural and physiological adaptation mechanisms.
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Affiliation(s)
| | - Mohamed T El-Saadony
- Agricultural Microbiology Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Manal E Shafi
- Department of Biological Sciences, Zoology, Abdulaziz University, Jeddah, Saudi Arabia
| | - Shaza Y A Qattan
- Department of Biological Sciences, Microbiology, Faculty of Science, Abdulaziz University, Jeddah, Saudi Arabia
| | - Gaber E Batiha
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan.,Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Al-Beheira, Egypt
| | - Asmaa F Khafaga
- Department of Pathology, Faculty of Veterinary Medicine, Alexandria University, Edfina, Egypt
| | | | - Mahmoud Alagawany
- Department of Poultry, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
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Liu Y, Yu X, Zhao J, Zhang H, Zhai Q, Chen W. The role of MUC2 mucin in intestinal homeostasis and the impact of dietary components on MUC2 expression. Int J Biol Macromol 2020; 164:884-891. [PMID: 32707285 DOI: 10.1016/j.ijbiomac.2020.07.191] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 07/05/2020] [Accepted: 07/17/2020] [Indexed: 12/19/2022]
Abstract
MUC2 mucin is an important secretory protein found in the human gut. Recent studies indicated that MUC2 mucin plays a role in the protection of gut barrier, the regulation of microbiome homeostasis and the prevention of diseases. In this review, the physiological properties of MUC2 mucin and its interactions with the intestinal microbiome are firstly discussed. Its roles in intestinal diseases including inflammatory bowel disease, colorectal cancer and parasitic infections are concluded. We also reviewed dietary components known to have modulative effects on MUC2 mucin expression, such as polysaccharides, amino acids and polyphenols.
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Affiliation(s)
- Yang Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Xinjie Yu
- Hwa Chong Institution (College), 661 Bukit Timah Road, Singapore 269734, Singapore
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Hao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China; Wuxi Translational Medicine Research Center and Jiangsu Translational Medicine Research Institute Wuxi Branch, China; (Yangzhou) Institute of Food Biotechnology, Jiangnan University, Yangzhou 225004, China
| | - Qixiao Zhai
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Research Laboratory for Probiotics at Jiangnan University, Wuxi, Jiangsu 214122, China.
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China; Beijing Innovation Center of Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
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Mesripour A, Meshkati A, Hajhashemi V. A Synbiotic Mixture Augmented the Efficacy of Doxepin, Venlafaxine, and Fluvoxamine in a Mouse Model of Depression. Turk J Pharm Sci 2020; 17:293-298. [PMID: 32636707 DOI: 10.4274/tjps.galenos.2019.94210] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 03/07/2019] [Indexed: 02/07/2023]
Abstract
Objectives Currently available antidepressant drugs have notable downsides; in addition to their side effects and slow onset of action their moderate efficacy in some individuals may influence compliance. Previous literature has shown that probiotics may have antidepressant effects. Introducing complementary medicine in order to augment the efficacy of therapeutic doses of antidepressant drugs appears to be very important. Therefore, the effect of adding a synbiotic mixture to drinking water was assessed in a mouse model of depression following the administration of three antidepressant drugs belonging to different classes. Materials and Methods The marble burying test (MBT) and forced swimming test (FST) were used as animal models of obsessive behavior and despair. The synbiotic mixture was administered to the mice's drinking water (6.25x106 CFU) for 14 days and the tests were performed 30 min after the injection of the lowest dose of doxepin (1 mg/kg), venlafaxine (15 mg/kg), and fluvoxamine (15 mg/kg) on days 7 and 14. Results After 7 days of ingestion of the synbiotic mixture, immobility time decreased in the FST for doxepin (92±5.5 s) and venlafaxine (17.3±2.5 s) compared to the control group (drinking water), but fluvoxamine decreased immobility time after 14 days of ingestion of the synbiotic mixture (70±7.5 s). Preadministration of the synbiotic mixture improved the MBT test response for venlafaxine, while it did not change the results for the other two drugs. Conclusion Adding the synbiotic mixture to drinking water improved the efficacy of discrete antidepressant drugs particularly during the FST. Probiotics could be a useful complementary medicine for drug-resistant depressed individuals.
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Affiliation(s)
- Azadeh Mesripour
- Isfahan University of Medical Sciences, School of Pharmacy and Pharmaceutical Sciences, Department of Pharmacology and Toxicology, Isfahan, Iran
| | - Andiya Meshkati
- Isfahan University of Medical Sciences, School of Pharmacy and Pharmaceutical Sciences, Department of Pharmacology and Toxicology, Isfahan, Iran
| | - Valiollah Hajhashemi
- Isfahan University of Medical Sciences, School of Pharmacy and Pharmaceutical Sciences, Isfahan Pharmaceutical Sciences Research Center, Isfahan, Iran
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Chen X, Xie J, Liu Z, Yin P, Chen M, Liu Y, Tian L, Niu J. Modulation of growth performance, non-specific immunity, intestinal morphology, the response to hypoxia stress and resistance to Aeromonas hydrophila of grass carp (Ctenopharyngodon idella) by dietary supplementation of a multi-strain probiotic. Comp Biochem Physiol C Toxicol Pharmacol 2020; 231:108724. [PMID: 32061958 DOI: 10.1016/j.cbpc.2020.108724] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Revised: 02/07/2020] [Accepted: 02/12/2020] [Indexed: 12/18/2022]
Abstract
The present study was conducted to evaluate a multi-strain probiotic (MP) on growth performance, immune and antioxidant function, response to hypoxia stress and resistance to Aeromonas hydrophila of grass carp (Ctenopharyngodon idella). Based on the viable cell counts of aerobic Bacillus spp., six experimental diets with MP supplemented at 0, 0.34, 1.68, 3.36, 6.72, 10.1 g kg-1 were formulated and 900 juveniles (7.30 ± 0.01 g) were equally distributed into 30 aquaria with respective diet for 60 days. Results showed that fish with 0.34-1.68 g kg-1 MP had better growth and feed utilization. Further, plasma total protein, albumin and high-density lipoprotein were remarkably increased with dietary MP at >1.68 g kg-1. Dietary MP supplementation at 6.72-10.1 g kg-1 strikingly elevated plasma myeloperoxidase activity and complement C3 content. For fish with MP at 1.68 and 6.72-10.1 g kg-1, their liver malondialdehyde and glutathione peroxidase were remarkably declined and promoted. After hypoxia stress, fish with 3.36-6.72 g kg-1 MP showed significantly higher respiratory burst activity. Challenge test by A. hydrophila confirmed the protection effects of MP through the decreased cumulative mortality rates. For intestinal histomorphology and enzymatic analyses, fish with 1.68 g kg-1 MP displayed significantly higher intestinal villi height, goblet cells and alkaline phosphatase activity. In conclusion, dietary MP supplementation at 1.68 g kg-1 could promote growth, intestinal morphology and antioxidant capacity, while enhancing host immunity requires higher dosages of MP. Broken-line analysis of weight gain revealed that 1.34 g kg-1 is the optimum dosage for the growth of grass carp.
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Affiliation(s)
- Xianquan Chen
- Guangdong Provincial Key Laboratory of Improved Variety Reproduction in Aquatic Economic Animals, Institute of Aquatic Economic Animals, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Jiajun Xie
- Guangdong Provincial Key Laboratory of Improved Variety Reproduction in Aquatic Economic Animals, Institute of Aquatic Economic Animals, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Zhenlu Liu
- Guangdong Provincial Key Laboratory of Improved Variety Reproduction in Aquatic Economic Animals, Institute of Aquatic Economic Animals, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Peng Yin
- Guangdong Provincial Key Laboratory of Improved Variety Reproduction in Aquatic Economic Animals, Institute of Aquatic Economic Animals, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Ming Chen
- Guangdong Provincial Key Laboratory of Improved Variety Reproduction in Aquatic Economic Animals, Institute of Aquatic Economic Animals, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Yongjian Liu
- Guangdong Provincial Key Laboratory of Improved Variety Reproduction in Aquatic Economic Animals, Institute of Aquatic Economic Animals, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Lixia Tian
- Guangdong Provincial Key Laboratory of Improved Variety Reproduction in Aquatic Economic Animals, Institute of Aquatic Economic Animals, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Jin Niu
- Guangdong Provincial Key Laboratory of Improved Variety Reproduction in Aquatic Economic Animals, Institute of Aquatic Economic Animals, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, PR China.
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Zendeboodi F, Khorshidian N, Mortazavian AM, da Cruz AG. Probiotic: conceptualization from a new approach. Curr Opin Food Sci 2020. [DOI: 10.1016/j.cofs.2020.03.009] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Burkholder KM, Fletcher DH, Gileau L, Kandolo A. Lactic acid bacteria decrease Salmonella enterica Javiana virulence and modulate host inflammation during infection of an intestinal epithelial cell line. Pathog Dis 2020; 77:5480463. [PMID: 31065694 DOI: 10.1093/femspd/ftz025] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Accepted: 04/25/2019] [Indexed: 12/19/2022] Open
Abstract
Salmonella enterica Javiana is a leading cause of severe foodborne Salmonellosis. Despite its emergence as a major foodborne pathogen, little is known of how S. Javiana interacts with intestinal epithelial cells, or of potential methods for ameliorating the bacterial-host interaction. Using cell-based adhesion, invasion and lactate dehydrogenase release assays, we observed an invasive and cytotoxic effect of S. Javiana on intestinal epithelial cells. We assessed the effect of probiotic species of lactic acid bacteria (LAB) on the S. Javiana-host cell interaction, and hypothesized that LAB would reduce S. Javiana infectivity. Salmonella enterica Javiana invasion was significantly impaired in host cells pre-treated with live Lactobacillus acidophilus and Lactobacillus rhamnosus. In addition, pre-exposure of host cells to live L. acidophilus, L. rhamnosus and L. casei reduced S. Javiana-induced cytotoxicity, while heat-killed LAB cultures had no effect on S. Javiana invasion or cytotoxicity. qRT-PCR analysis revealed that S. Javiana exposed to L. acidophilus and L. rhamnosus exhibited reduced virulence gene expression. Moreover, pre-treating host cells with LAB prior to S. Javiana infection reduced host cell production of inflammatory cytokines. Data suggest a potential protective effect of L. acidophilus, L. rhamnosus and L. casei against intestinal epithelial infection and pathogen-induced damage caused by S. Javiana.
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Affiliation(s)
- Kristin M Burkholder
- University of New England, Department of Biology, 11 Hills Beach Rd, Biddeford, ME, USA 04005
| | - Dylan H Fletcher
- University of New England, Department of Biology, 11 Hills Beach Rd, Biddeford, ME, USA 04005
| | - Lauren Gileau
- University of New England, Department of Biology, 11 Hills Beach Rd, Biddeford, ME, USA 04005
| | - Arnold Kandolo
- University of New England, Department of Biology, 11 Hills Beach Rd, Biddeford, ME, USA 04005
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Abstract
Alcoholic liver disease (ALD) encompasses a broad spectrum of disorders including steatosis, steatohepatitis, fibrosis, and cirrhosis. Despite intensive research in the last two decades, there is currently no Food and Drug Administration-approved therapy for treating ALD. Several studies have demonstrated the importance of the gut-liver axis and gut microbiome on the pathogenesis of ALD. Alcohol may induce intestinal dysbiosis and increased intestinal permeability, which in turn result in increased levels of pathogen-associated molecular patterns such as lipopolysaccharide (LPS) and translocation of microbial products from the gut to the liver (bacterial translocation). LPS is an inflammatory signal that activates toll-like receptor 4 on Kupffer cells, contributing to the inflammation observed in ALD. Recently, probiotics have been shown to be effective in reducing or preventing the progression of ALD. A potential mechanism is that the probiotics transforms the composition of intestinal microbiota, which leads to reductions in alcohol-induced dysbiosis, intestinal permeability, bacterial translocation, endotoxemia, and consequently, the development of ALD. While transformation of intestinal microbiota by probiotics appears to be a promising therapeutic strategy for the treatment of intestinal barrier dysfunction, there is a scarcity of research that studies probiotics in the context of ALD. In this review, we discuss the potential therapeutic applications of probiotics in the treatment of ALD.
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Akram Z, Shafqat SS, Aati S, Kujan O, Fawzy A. Clinical efficacy of probiotics in the treatment of gingivitis: A systematic review and meta‐analysis. Aust Dent J 2019; 65:12-20. [DOI: 10.1111/adj.12733] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2019] [Indexed: 01/01/2023]
Affiliation(s)
- Z Akram
- UWA Dental School University of Western Australia Nedlends Western Australia Australia
| | - SS Shafqat
- Medilink Consultation Clinics Karachi Pakistan
| | - S Aati
- UWA Dental School University of Western Australia Nedlends Western Australia Australia
| | - O Kujan
- UWA Dental School University of Western Australia Nedlends Western Australia Australia
| | - A Fawzy
- UWA Dental School University of Western Australia Nedlends Western Australia Australia
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Ben Othman M, Sakamoto K. Effect of inactivated Bifidobacterium longum intake on obese diabetes model mice (TSOD). Food Res Int 2019; 129:108792. [PMID: 32036897 DOI: 10.1016/j.foodres.2019.108792] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 10/28/2019] [Accepted: 10/30/2019] [Indexed: 02/06/2023]
Abstract
Obesity and diabetes have been increasing at an alarming rate worldwide. Studies have shown the futility of chemical drugs in the treatment of obesity and diabetes. Bifidobacterium longum (BL), a common member of the gut microbiota throughout the human lifespan, has been widely reported to play a role in host health and disease. Here, we evaluated the effects of inactivated cells of BL (IBL) on obesity and blood glucose levels in TSOD mice by administering IBL orally for 5 weeks. The treated mice showed a significant decrease of body weight gain, adipose tissue mass and blood glucose levels, as well as a significant reduction in blood glucose during an oral glucose tolerance test. The treatment also resulted in reduced levels of cholesterol, triglycerides, and NEFA. Moreover, serum and urine analysis showed low creatinine levels in IBL-treated mice. These data demonstrate that IBL may have the potential to prevent obesity and diabetes.
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Affiliation(s)
- Mahmoud Ben Othman
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan
| | - Kazuichi Sakamoto
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan.
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Khoder G, Al-Yassir F, Al Menhali A, Saseedharan P, Sugathan S, Tomasetto C, Karam SM. Probiotics Upregulate Trefoil Factors and Downregulate Pepsinogen in the Mouse Stomach. Int J Mol Sci 2019; 20:ijms20163901. [PMID: 31405107 PMCID: PMC6719917 DOI: 10.3390/ijms20163901] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 07/31/2019] [Accepted: 08/05/2019] [Indexed: 02/06/2023] Open
Abstract
Probiotics are used in the management of some gastrointestinal diseases. However, little is known about their effects on normal gastric epithelial biology. The aim of this study was to explore how the probiotic mixture VSL#3 affects gastric cell lineages in mice with a special focus on protective and aggressive factors. Weight-matching littermate male mice (n = 14) were divided into treated and control pairs. The treated mice received VSL#3 (5 mg/day/mouse) by gastric gavage for 10 days. Control mice received only the vehicle. Food consumption and bodyweight were monitored. All mice were injected intraperitoneally with bromodeoxyuridine (120 mg/Kg bodyweight) two hours before sacrificed to label S-phase cells. Stomach tissues were processed for lectin- and immunohistochemical examination. ImageJ software was used to quantify immunolabeled gastric epithelial cells. Real-time quantitative polymerase chain reaction was used to provide relative changes in expression of gastric cell lineages specific genes. Results revealed that treated mice acquired (i) increased production of mucus, trefoil factor (TFF) 1 and TFF2, (ii) decreased production of pepsinogen, and (iii) increased ghrelin-secreting cells. No significant changes were observed in bodyweight, food consumption, cell proliferation, or parietal cells. Therefore, VSL#3 administration amplifies specific cell types specialized in the protection of the gastric epithelium.
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Affiliation(s)
- Ghalia Khoder
- Department of Pharmaceutics and Pharmaceuticals Technology, College of Pharmacy, Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, UAE
| | - Farah Al-Yassir
- Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, AlAin 17666, UAE
- Department of Biological Sciences, Faculty of Science, Beirut Arab University, Debbieh Campus PO Box 11-50-20 Riad El Solh, Beirut 11072809, Lebanon
| | - Asma Al Menhali
- Department of Biology, College of Science, United Arab Emirates University, Al-Ain 15551, UAE
| | - Prashanth Saseedharan
- Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, AlAin 17666, UAE
| | - Subi Sugathan
- Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, AlAin 17666, UAE
| | - Catherine Tomasetto
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Institut National de la Santé et de la Recherche Médicale (INSERM), U1258, Centre National de la Recherche Scientifique (CNRS), UMR7104, Université de Strasbourg, F-67404 Illkirch, France
| | - Sherif M Karam
- Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, AlAin 17666, UAE.
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Zhang JS, Corredig M, Morales-Rayas R, Hassan A, Griffiths MW, LaPointe G. Effect of fermented milk from Lactococcus lactis ssp. cremoris strain JFR1 on Salmonella invasion of intestinal epithelial cells. J Dairy Sci 2019; 102:6802-6819. [PMID: 31202650 DOI: 10.3168/jds.2018-15669] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Accepted: 04/05/2019] [Indexed: 12/18/2022]
Abstract
The process of fermentation contributes to the organoleptic properties, preservation, and nutritional benefits of food. Fermented food may interfere with pathogen infections through a variety of mechanisms, including competitive exclusion or improving intestinal barrier integrity. In this study, the effect of milk fermented with Lactococcus lactis ssp. cremoris JFR1 on Salmonella invasion of intestinal epithelial cell cultures was investigated. Epithelial cells (HT29-MTX, Caco-2, and cocultures of the 2) were treated for 1 h with Lactococcus lactis ssp. cremoris JFR1 fermented milk before infection with Salmonella enterica ssp. enterica Typhimurium. Treatment with fermented milk resulted in increased transepithelial electrical resistance, which remained constant for the duration of infection (up to 3 h), illustrating a protective effect. After gentamicin treatment to remove adhered bacterial cells, enumeration revealed a reduction in numbers of intracellular Salmonella. Quantitative reverse-transcription PCR data indicated a downregulation of Salmonella virulence genes hilA, invA, and sopD after treatment with fermented milk. Fermented milk treatment of epithelial cells also exhibited an immunomodulatory effect reducing the production of proinflammatory IL-8. In contrast, chemically acidified milk (glucono delta-lactone) failed to show the same effect on monolayer integrity, Salmonella Typhimurium invasion, and gene expression as well as immune modulation. Furthermore, an oppA knockout mutant of Salmonella Typhimurium infecting treated epithelial cells did not show suppressed virulence gene expression. Collectively, these results suggest that milk fermented with Lactococcus lactis ssp. cremoris JFR1 is effective in vitro in the reduction of Salmonella invasion into intestinal epithelial cells. A functional OppA permease in Salmonella is required to obtain the antivirulence effect of fermented milk.
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Affiliation(s)
- J S Zhang
- Canadian Research Institute for Food Safety, Department of Food Science, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - M Corredig
- Department of Food Science, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - R Morales-Rayas
- Canadian Research Institute for Food Safety, Department of Food Science, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | | | - M W Griffiths
- Canadian Research Institute for Food Safety, Department of Food Science, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - G LaPointe
- Canadian Research Institute for Food Safety, Department of Food Science, University of Guelph, Guelph, ON, N1G 2W1, Canada.
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Bianchi F, Larsen N, Tieghi TDM, Adorno MAT, Saad SM, Jespersen L, Sivieri K. In vitro modulation of human gut microbiota composition and metabolites by Bifidobacterium longum BB-46 and a citric pectin. Food Res Int 2019; 120:595-602. [DOI: 10.1016/j.foodres.2018.11.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 10/23/2018] [Accepted: 11/06/2018] [Indexed: 01/23/2023]
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Randomized, Double-blind, Placebo-controlled Study of a Multispecies Probiotic Mixture in Nonalcoholic Fatty Liver Disease. Sci Rep 2019; 9:5688. [PMID: 30952918 PMCID: PMC6450966 DOI: 10.1038/s41598-019-42059-3] [Citation(s) in RCA: 117] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 03/21/2019] [Indexed: 12/16/2022] Open
Abstract
The intestinal microbiota is closely associated with the development of obesity and nonalcoholic fatty liver disease (NAFLD). This study investigated the effects of probiotic treatment on visceral fat area (VFA) and intrahepatic fat (IHF) fraction in NAFLD. Sixty-eight obese NAFLD patients (>5% proton density fat fraction [PDFF] on magnetic resonance imaging [MRI]) were randomized to probiotic and placebo groups for 12 weeks. The probiotic mixture included 6 bacterial species. VFA and IHF were measured using the MRI-PDFF technique. Body weight and total body fat were reduced in the probiotic group but not in the placebo group. The mean IHF fraction was reduced after 12 weeks of treatment in the probiotic group compared to that at baseline (from 16.3 ± 15.0% to 14.1 ± 7.7%, p = 0.032) but was not reduced in the placebo group. The decrease in IHF (mean difference: −2.61%, p = 0.012) was also greater in the probiotic group than in the placebo group. Reduction of triglyceride was greater in the probiotic treatment group than in the placebo group (mean difference: −34.0 mg/dl, p = 0.0033). However, the changes in IHF percentage and triglyceride levels were not different between placebo and control groups after adjusting for changes in body weight. Treatment with probiotics for 12 weeks resulted in significant reduction in IHF and body weight in obese NAFLD patients.
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Kanmani P, Kim H. Functional capabilities of probiotic strains on attenuation of intestinal epithelial cell inflammatory response induced by TLR4 stimuli. Biofactors 2019; 45:223-235. [PMID: 30537409 DOI: 10.1002/biof.1475] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 10/10/2018] [Accepted: 10/12/2018] [Indexed: 12/28/2022]
Abstract
Intestinal epithelial cells (IECs) respond to intruders and their cellular molecules by displaying inflammatory state that can be abrogated by probiotics. However, the molecular mechanisms underlying the beneficial activity of probiotic strains have yet to be elucidated. This study was conducted to investigate whether probiotic strains have immunoregulatory effects in IECs, and how they respond to bacterial lipopolysaccharide (LPS) in vitro. Caco2 cells were stimulated with LABs and followed by LPS. The expression of different cytokines that involved in toll-like receptor (TLR) signaling was analyzed. Caco2 cells that were exposed to LPS showed upregulated expression of IL-6, CXCL8, CCL2, and BPI that were counteracted by LAB strains through the modulation of TLR negative regulators (A20, Tollip, SIGIRR, and IRAKM), p38 MAPK and p65 NF-κB signaling. Lactobacillus plantarum, L. farciminis, and L. pentosus unveiled better activity as compared to other strains. Moreover, LAB strains were the potent inducers of immunoregulatory cytokines in coculture system. The expression of IL-10 and TGF-β were found to be higher as compared with LPS. Conversely, TNF-α at the protein level was dampened by LAB strains in both the apical and basolateral compartments. Collectively, our results demonstrated that the selected LAB strains exert profound immunoregulatory effects in response to LPS on IECs; however, further studies in vivo and in clinical settings are important to corroborate these effects. © 2018 BioFactors, 45(2):223-235, 2019.
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Affiliation(s)
- Paulraj Kanmani
- Department of Rehabilitation Medicine of Korean Medicine, Dongguk University Ilsan Hospital, Goyang, Gyeonggi, Republic of Korea
| | - Hojun Kim
- Department of Rehabilitation Medicine of Korean Medicine, Dongguk University Ilsan Hospital, Goyang, Gyeonggi, Republic of Korea
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Adhikari PA, Kim WK. Overview of Prebiotics and Probiotics: Focus on Performance, Gut Health and Immunity – A Review. ANNALS OF ANIMAL SCIENCE 2017. [DOI: 10.1515/aoas-2016-0092] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Due to the threat and emergence of bacterial resistance against antibiotics, the use of in-feed antibiotics at therapeutic and subtherapeutic levels has been limited. Complete withdrawal of antibiotics as growth promoters (AGP) has led to poor gut health signs in chickens that include conditions like wet litter, intestinal bacteria overgrowth, poor growth performance, malabsorption and various diseases. Two of the most common alternatives to AGP are prebiotics and probiotics. Both prebiotics and probiotics have become the potential feed additives that improve the gut health, immune system and microbiota by various mechanisms of action, and enhance growth performance of chickens. The review discusses the modes of action like antibacterial, competitive exclusion (CE), and immunomodulatory properties of prebiotics and probiotics, particularly in poultry. In ovo feeding of prebiotics and probiotics with promising effect on growth performance and reduction of pathogens like Salmonella is also discussed in this review. However, it is necessary to conduct more research with prebiotics and probiotics as well as other feed additives to understand the detailed mechanisms of action and identify better alternatives for poultry production and health.
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Affiliation(s)
- Pratima Acharya Adhikari
- Department of Poultry Science , University of Georgia , Athens , GA 30602 , United States of America
| | - Woo Kyun Kim
- Department of Poultry Science , University of Georgia , Athens , GA 30602 , United States of America
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Prabhurajeshwar C, Chandrakanth RK. Probiotic potential of Lactobacilli with antagonistic activity against pathogenic strains: An in vitro validation for the production of inhibitory substances. Biomed J 2017; 40:270-283. [PMID: 29179882 PMCID: PMC6138816 DOI: 10.1016/j.bj.2017.06.008] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 06/09/2017] [Accepted: 06/28/2017] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Probiotics, live cells with different beneficiary characteristics, have been extensively studied and explored commercially in many different products in the world. Their benefits to human and animal health have proven in hundreds of scientific studies. Based on rich bibliographic material, Curd is the potential source of probiotic Lactobacilli. METHOD The aim of the present study was to observe Lactobacilli with probiotic potential activities from different curd samples for isolation, identification and characterization of Lactobacillus species. RESULTS Among the samples, thirty lactic acid bacterial strains were isolated, sixteen (16/30) best Lactobacillus isolates were selected by preliminary screening as potential probiotic for acid and bile tolerance, further confirmed using 16s rRNA identification. All the selected Lactobacillus isolates were then characterized in vitro for their probiotic characteristics and antimicrobial activities against pathogens and aggregation studies. The results indicated that selected potential probiotic isolates (T2, T4 and T16) were screened and confirmed as Lactobacillus. The isolates produced positive tolerance to excited pH, NaCl and bile salts, also revealed noticeable antimicrobial activities against pathogens. All the Lactobacillus isolates were susceptible to clinical antibiotics used. Besides, T2 isolate was constituted to retain stronger auto and co-aggregation and cell surface hydrophobicity capacity. CONCLUSION Based on the drawn results, T2, T4 and T16 Lactobacillus isolates were recognised as ideal, potential in vitro antimicrobial probiotic isolates against pathogens and studies are needed further in-vivo assessment and human health benefits in their real-life situations.
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Affiliation(s)
- Chidre Prabhurajeshwar
- Medical Biotechnology and Phage Therapy Laboratory, Department of Post Graduate Studies and Research in Biotechnology, Gulbarga University, Karnataka, India
| | - Revanasiddappa Kelmani Chandrakanth
- Medical Biotechnology and Phage Therapy Laboratory, Department of Post Graduate Studies and Research in Biotechnology, Gulbarga University, Karnataka, India.
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Wang B, Chen J, Wang S, Zhao X, Lu G, Tang X. Lactobacillus plantarum L9 but not Lactobacillus acidophilus LA reduces tumour necrosis factor induced bacterial translocation in Caco-2 cells. Benef Microbes 2017; 8:497-505. [PMID: 28441885 DOI: 10.3920/bm2016.0019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Translocation of bacteria across the intestinal barrier is important in the pathogenesis of systemic sepsis and multiple organ dysfunction syndromes. Inflammatory cytokines increase paracellular permeability that allows increased luminal bacteria to translocate across mucosal epithelium and further deteriorate the gut barrier. In order to reduce this risk, the prophylactic use of probiotics has been recently addressed. In this paper, we investigate the protective role toward tumour necrosis factor (TNF)-α induced non-pathogenic Escherichia coli translocation across Caco-2 monolayers of Lactobacillus strains. According to our experimental data, Lactobacillus plantarum L9 and Lactobacillus acidophilus LA have good capacities to adhere to Caco-2 cells. Addition of L. plantarum L9 and L. acidophilus LA to the enterocyte monolayer surface result in significant inhibition of E. coli adhesion and cell internalisation. However, L. plantarum L9 and L. acidophilus LA did not inhibit the growth of the non-pathogenic E. coli B5 after 24 h incubation. Exposure to TNF-α for 6 h caused a dramatic increase in E. coli B5 translocation across Caco-2 cells, which was uncoupled from increases in paracellular permeability. Pretreatment with L. plantarum L9 prevent TNF-α induced transcellular bacterial translocation and IL-8 production in Caco-2 cells. L. plantarum L9 also did not affect the integrity of the monolayers, as indicated by lactate dehydrogenase release, horseradish peroxidase permeability, and transepithelial electrical resistance. L. plantarum L9 showed the potential to protect enterocytes from an acute inflammatory response and therefore could be good potential prophylactic agents in counteracting bacterial translocation.
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Affiliation(s)
- B Wang
- 1 Jiangsu Academy of Science and Technology for Inspection and Quarantine, Nanjing, Jiangsu, 210001, China P.R.,2 Department of Travel Health, Nanjing Entry-Exit Inspection and Quarantine Bureau, Nanjing, Jiangsu, 211106, China P.R
| | - J Chen
- 3 Research Institute of General Surgery, Jinling Hospital, Nanjing, Jiangsu, 210002, China P.R
| | - S Wang
- 2 Department of Travel Health, Nanjing Entry-Exit Inspection and Quarantine Bureau, Nanjing, Jiangsu, 211106, China P.R
| | - X Zhao
- 2 Department of Travel Health, Nanjing Entry-Exit Inspection and Quarantine Bureau, Nanjing, Jiangsu, 211106, China P.R
| | - G Lu
- 2 Department of Travel Health, Nanjing Entry-Exit Inspection and Quarantine Bureau, Nanjing, Jiangsu, 211106, China P.R
| | - X Tang
- 2 Department of Travel Health, Nanjing Entry-Exit Inspection and Quarantine Bureau, Nanjing, Jiangsu, 211106, China P.R
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Abstract
The development of a suitable technology for the production of probiotics is a key research for industrial production, which should take into account the viability and the stability of the organisms involved. Microbial criteria, stress tolerance during processing, and storage of the product constitute the basis for the production of probiotics. Generally, the bacteria belonging to the genera Lactobacillus and Bifidobacterium have been used as probiotics. Based on their positive qualities, probiotic bacteria are widely used in the production of food. Interest in the incorporation of the probiotic bacteria into other products apart from dairy products has been increasing and represents a great challenge. The recognition of dose delivery systems for probiotic bacteria has also resulted in research efforts aimed at developing probiotic food outside the dairy sector. Producing probiotic juices has been considered more in the recent years, due to an increased concern in personal health of consumers. This review focuses on probiotics, prebiotics, and the microencapsulation of living cells.
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Affiliation(s)
- Loveleen Kaur Sarao
- a Department of Microbiology , College of Basic Sciences and Humanities, Punjab Agricultural University , Ludhiana , Punjab , India
| | - M Arora
- a Department of Microbiology , College of Basic Sciences and Humanities, Punjab Agricultural University , Ludhiana , Punjab , India
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Girbovan A, Sur G, Samasca G, Lupan I. Dysbiosis a risk factor for celiac disease. Med Microbiol Immunol 2017; 206:83-91. [PMID: 28204873 DOI: 10.1007/s00430-017-0496-z] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Accepted: 01/27/2017] [Indexed: 12/14/2022]
Abstract
Celiac disease remains one of the most challenging pathologies of the small intestine. It involves multiple pathogenic pathways and there are no disease-changing pharmacological agents available against it yet. The term microbiota refers to the community of microorganisms that inhabit a particular region of the body. Normal gut microbiota has a vital role in maintaining the intestinal homeostasis and promoting health. Celiac disease is associated with microbiota alteration, especially with an increase in the number of Gram-negative bacteria and a decrease in the number of Gram-positive bacteria. There is a strong relationship between intestinal dysbiosis and celiac disease, and recent studies are aimed at determining whether the celiac disease is a risk factor for dysbiosis or dysbiosis is for celiac disease. Therefore, the aim of this review was to assess the latest findings regarding the gut microbiota and its impact on the celiac disease, including therapeutic aspects.
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Affiliation(s)
- Anamaria Girbovan
- Department of Immunology, Iuliu Hatieganu University of Medicine and Pharmacy, Crisan Street, 3-5 No 400177, Cluj-Napoca, Romania
| | - Genel Sur
- Department of Pediatrics II, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Emergency Hospital for Children, Cluj-Napoca, Romania
| | - Gabriel Samasca
- Department of Immunology, Iuliu Hatieganu University of Medicine and Pharmacy, Crisan Street, 3-5 No 400177, Cluj-Napoca, Romania. .,Emergency Hospital for Children, Cluj-Napoca, Romania.
| | - Iulia Lupan
- Department of Molecular Biology and Biotechnology, Babes-Bolyai University, Cluj-Napoca, Romania
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MacPherson CW, Shastri P, Mathieu O, Tompkins TA, Burguière P. Genome-Wide Immune Modulation of TLR3-Mediated Inflammation in Intestinal Epithelial Cells Differs between Single and Multi-Strain Probiotic Combination. PLoS One 2017; 12:e0169847. [PMID: 28099447 PMCID: PMC5242491 DOI: 10.1371/journal.pone.0169847] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Accepted: 12/22/2016] [Indexed: 12/27/2022] Open
Abstract
Genome-wide transcriptional analysis in intestinal epithelial cells (IEC) can aid in elucidating the impact of single versus multi-strain probiotic combinations on immunological and cellular mechanisms of action. In this study we used human expression microarray chips in an in vitro intestinal epithelial cell model to investigate the impact of three probiotic bacteria, Lactobacillus helveticus R0052 (Lh-R0052), Bifidobacterium longum subsp. infantis R0033 (Bl-R0033) and Bifidobacterium bifidum R0071 (Bb-R0071) individually and in combination, and of a surface-layer protein (SLP) purified from Lh-R0052, on HT-29 cells' transcriptional profile to poly(I:C)-induced inflammation. Hierarchical heat map clustering, Set Distiller and String analyses revealed that the effects of Lh-R0052 and Bb-R0071 diverged from those of Bl-R0033 and Lh-R0052-SLP. It was evident from the global analyses with respect to the immune, cellular and homeostasis related pathways that the co-challenge with probiotic combination (PC) vastly differed in its effect from the single strains and Lh-R0052-SLP treatments. The multi-strain PC resulted in a greater reduction of modulated genes, found through functional connections between immune and cellular pathways. Cytokine and chemokine analyses based on specific outcomes from the TNF-α and NF-κB signaling pathways revealed single, multi-strain and Lh-R0052-SLP specific attenuation of the majority of proteins measured (TNF-α, IL-8, CXCL1, CXCL2 and CXCL10), indicating potentially different mechanisms. These findings indicate a synergistic effect of the bacterial combinations relative to the single strain and Lh-R0052-SLP treatments in resolving toll-like receptor 3 (TLR3)-induced inflammation in IEC and maintaining cellular homeostasis, reinforcing the rationale for using multi-strain formulations as a probiotic.
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Affiliation(s)
- Chad W. MacPherson
- Lallemand Health Solutions Inc., 6100 avenue Royalmount, Montreal, QC, Canada
- * E-mail:
| | - Padmaja Shastri
- University of Ontario Institute of Technology, Oshawa, Canada
| | - Olivier Mathieu
- Lallemand Health Solutions Inc., 6100 avenue Royalmount, Montreal, QC, Canada
| | - Thomas A. Tompkins
- Lallemand Health Solutions Inc., 6100 avenue Royalmount, Montreal, QC, Canada
| | - Pierre Burguière
- Lallemand Health Solutions Inc., 6100 avenue Royalmount, Montreal, QC, Canada
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van Beek AA, Sovran B, Hugenholtz F, Meijer B, Hoogerland JA, Mihailova V, van der Ploeg C, Belzer C, Boekschoten MV, Hoeijmakers JHJ, Vermeij WP, de Vos P, Wells JM, Leenen PJM, Nicoletti C, Hendriks RW, Savelkoul HFJ. Supplementation with Lactobacillus plantarum WCFS1 Prevents Decline of Mucus Barrier in Colon of Accelerated Aging Ercc1-/Δ7 Mice. Front Immunol 2016; 7:408. [PMID: 27774093 PMCID: PMC5054004 DOI: 10.3389/fimmu.2016.00408] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Accepted: 09/22/2016] [Indexed: 11/23/2022] Open
Abstract
Although it is clear that probiotics improve intestinal barrier function, little is known about the effects of probiotics on the aging intestine. We investigated effects of 10-week bacterial supplementation of Lactobacillus plantarum WCFS1, Lactobacillus casei BL23, or Bifidobacterium breve DSM20213 on gut barrier and immunity in 16-week-old accelerated aging Ercc1−/Δ7 mice, which have a median lifespan of ~20 weeks, and their wild-type littermates. The colonic barrier in Ercc1−/Δ7 mice was characterized by a thin (< 10 μm) mucus layer. L. plantarum prevented this decline in mucus integrity in Ercc1−/Δ7 mice, whereas B. breve exacerbated it. Bacterial supplementations affected the expression of immune-related genes, including Toll-like receptor 4. Regulatory T cell frequencies were increased in the mesenteric lymph nodes of L. plantarum- and L. casei-treated Ercc1−/Δ7 mice. L. plantarum- and L. casei-treated Ercc1−/Δ7 mice showed increased specific antibody production in a T cell-dependent immune response in vivo. By contrast, the effects of bacterial supplementation on wild-type control mice were negligible. Thus, supplementation with L. plantarum – but not with L. casei and B. breve – prevented the decline in the mucus barrier in Ercc1−/Δ7 mice. Our data indicate that age is an important factor influencing beneficial or detrimental effects of candidate probiotics. These findings also highlight the need for caution in translating beneficial effects of probiotics observed in young animals or humans to the elderly.
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Affiliation(s)
- Adriaan A van Beek
- Cell Biology and Immunology Group, Wageningen University, Wageningen, Netherlands; Top Institute Food and Nutrition, Wageningen, Netherlands; Gut Health and Food Safety, Institute of Food Research, Norwich, UK
| | - Bruno Sovran
- Top Institute Food and Nutrition, Wageningen, Netherlands; Host Microbe Interactomics, Wageningen University, Wageningen, Netherlands
| | - Floor Hugenholtz
- Top Institute Food and Nutrition, Wageningen, Netherlands; Laboratory of Microbiology, Wageningen University, Wageningen, Netherlands
| | - Ben Meijer
- Cell Biology and Immunology Group, Wageningen University , Wageningen , Netherlands
| | - Joanne A Hoogerland
- Cell Biology and Immunology Group, Wageningen University , Wageningen , Netherlands
| | - Violeta Mihailova
- Cell Biology and Immunology Group, Wageningen University , Wageningen , Netherlands
| | - Corine van der Ploeg
- Cell Biology and Immunology Group, Wageningen University , Wageningen , Netherlands
| | - Clara Belzer
- Top Institute Food and Nutrition, Wageningen, Netherlands; Laboratory of Microbiology, Wageningen University, Wageningen, Netherlands
| | - Mark V Boekschoten
- Top Institute Food and Nutrition, Wageningen, Netherlands; Human Nutrition, Wageningen University, Wageningen, Netherlands
| | - Jan H J Hoeijmakers
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, Netherlands; CECAD Forschungszentrum, Universität zu Köln, Köln, Germany
| | - Wilbert P Vermeij
- Department of Molecular Genetics, Erasmus University Medical Center , Rotterdam , Netherlands
| | - Paul de Vos
- Top Institute Food and Nutrition, Wageningen, Netherlands; University of Groningen, Groningen, Netherlands
| | - Jerry M Wells
- Top Institute Food and Nutrition, Wageningen, Netherlands; Host Microbe Interactomics, Wageningen University, Wageningen, Netherlands
| | - Pieter J M Leenen
- Department of Immunology, Erasmus University Medical Center , Rotterdam , Netherlands
| | - Claudio Nicoletti
- Gut Health and Food Safety, Institute of Food Research, Norwich, UK; Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Rudi W Hendriks
- Department of Pulmonary Medicine, Erasmus University Medical Center , Rotterdam , Netherlands
| | - Huub F J Savelkoul
- Cell Biology and Immunology Group, Wageningen University, Wageningen, Netherlands; Top Institute Food and Nutrition, Wageningen, Netherlands
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Johnson-Henry KC, Abrahamsson TR, Wu RY, Sherman PM. Probiotics, Prebiotics, and Synbiotics for the Prevention of Necrotizing Enterocolitis. Adv Nutr 2016; 7:928-37. [PMID: 27633108 PMCID: PMC5015037 DOI: 10.3945/an.116.012237] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Necrotizing enterocolitis (NEC) is a devastating intestinal disease in preterm infants characterized by barrier disruption, intestinal microbial dysbiosis, and persistent inflammation of the colon, which results in high mortality rates. Current strategies used to manage this disease are not sufficient, although the use of human breast milk reduces the risk of NEC. Mother's milk is regarded as a fundamental nutritional source for neonates, but pasteurization of donor breast milk affects the composition of bioactive compounds. Current research is evaluating the benefits and potential pitfalls of adding probiotics and prebiotics to pasteurized milk so as to improve the functionality of the milk and thereby reduce the burden of illness caused by NEC. Probiotics (live micro-organisms that confer health to the host) and prebiotics (nondigestible oligosaccharides that stimulate the growth of healthy bacteria) are functional foods known to mediate immune responses and modulate microbial populations in the gut. Clinical research shows strain- and compound-specific responses when probiotics or prebiotics are administered in conjunction with donor breast milk for the prevention of NEC. Despite ongoing controversy surrounding optimal treatment strategies, randomized controlled studies are now investigating the use of synbiotics to reduce the incidence and severity of NEC. Synbiotics, a combination of probiotics and prebiotics, have been proposed to enhance beneficial health effects in the intestinal tract more than either agent administered alone. This review considers the implications of using probiotic-, prebiotic-, and synbiotic-supplemented breast milk as a strategy to prevent NEC and issues that could be encountered with the preparations.
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Affiliation(s)
- Kathene C Johnson-Henry
- Cell Biology Program, Research Institute, Division of Gastroenterology, Hepatology, and Nutrition, Hospital for Sick Children
| | - Thomas R Abrahamsson
- Department of Clinical and Experimental Medicine, Division of Pediatrics, Linköping University, Linköping, Sweden
| | - Richard You Wu
- Cell Biology Program, Research Institute, Division of Gastroenterology, Hepatology, and Nutrition, Hospital for Sick Children;,Department of Laboratory Medicine and Pathobiology, Faculty of Medicine
| | - Philip M Sherman
- Cell Biology Program, Research Institute, Division of Gastroenterology, Hepatology, and Nutrition, Hospital for Sick Children; Department of Laboratory Medicine and Pathobiology, Faculty of Medicine; Department of Nutritional Sciences; and Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada; and
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48
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Trivedi A, Chan W, Teo E, Tarnow-Mordi WO. Probiotics for the post-operative management of term neonates after gastrointestinal surgery. Hippokratia 2016. [DOI: 10.1002/14651858.cd012265] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Amit Trivedi
- The Children's Hospital at Westmead; Grace Centre for Newborn Care; Westmead NSW Australia 2145
| | - Wendy Chan
- Gold Coast Hospital & Health Service; 1 Hospital Boulevard Gold Coast Queensland Australia 4215
| | - Edward Teo
- Concord Repatriation General Hospital; Emergency Department; Hospital Road Concord Sydney New South Wales Australia 2137
| | - William O Tarnow-Mordi
- Westmead Hospital; Department of Neonatal Medicine; Corner of Hawksberry and Darcy Road Westmead NSW Australia 2145
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The effects of a probiotic formulation (Lactobacillus rhamnosus and L. helveticus) on developmental trajectories of emotional learning in stressed infant rats. Transl Psychiatry 2016; 6:e823. [PMID: 27244232 PMCID: PMC5545650 DOI: 10.1038/tp.2016.94] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 03/22/2016] [Accepted: 04/10/2016] [Indexed: 12/13/2022] Open
Abstract
Recently, scientific interest in the brain-gut axis has grown dramatically, particularly with respect to the link between gastrointestinal and psychiatric dysfunction. However, the role of gut function in early emotional dysregulation is yet to be examined, despite the prevalence and treatment resistance of early-onset psychiatric disorders. The present studies utilized a developmental rodent model of early-life stress (ELS) to explore this gap. Rats were exposed to maternal separation (MS) on postnatal days 2-14. Throughout MS, dams received either vehicle or a probiotic formulation (previously shown to reduce gastrointestinal dysfunction) in their drinking water. Replicating past research, untreated MS infants exhibited an adult-like profile of long-lasting fear memories and fear relapse following extinction. In contrast, probiotic-exposed MS infants exhibited age-appropriate infantile amnesia and resistance to relapse. These effects were not mediated by changes in pups' or dams' anxiety at the time of training, nor by maternal responsiveness. Overall, probiotics acted as an effective and non-invasive treatment to restore normal developmental trajectories of emotion-related behaviors in infant rats exposed to ELS. These results provide promising initial evidence for this novel approach to reduce the risk of mental health problems in vulnerable individuals. Future studies are needed to test this treatment in humans exposed to ELS and to elucidate mechanisms for the observed behavioral changes.
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50
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Tian Z, Yang L, Li P, Xiao Y, Peng J, Wang X, Li Z, Liu M, Bi D, Shi D. The inflammation regulation effects ofEnterococcus faeciumHDRsEf1 on human enterocyte-like HT-29 cells. Anim Cells Syst (Seoul) 2016. [DOI: 10.1080/19768354.2016.1160955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
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