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Todorov SD, Tagg J, Algburi A, Tiwari SK, Popov I, Weeks R, Mitrokhin OV, Kudryashov IA, Kraskevich DA, Chikindas ML. The Hygienic Significance of Microbiota and Probiotics for Human Wellbeing. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10419-9. [PMID: 39688648 DOI: 10.1007/s12602-024-10419-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/01/2024] [Indexed: 12/18/2024]
Abstract
The human body can be viewed as a combination of ecological niches inhabited by trillions of bacteria, viruses, fungi, and parasites, all united by the microbiota concept. Human health largely depends on the nature of these relationships and how they are built and maintained. However, personal hygiene practices have historically been focused on the wholesale elimination of pathogens and "hygiene-challenging microorganisms" without considering the collateral damage to beneficial and commensal species. The microbiota can vary significantly in terms of the qualitative and quantitative composition both between different people and within one person during life, and the influence of various environmental factors, including age, nutrition, bad habits, genetic factors, physical activity, medication, and hygienic practices, facilitates these changes. Disturbance of the microbiota is a predisposing factor for the development of diseases and also greatly influences the course and severity of potential complications. Therefore, studying the composition of the microbiota of the different body systems and its appropriate correction is an urgent problem in the modern world. The application of personal hygiene products or probiotics must not compromise health through disruption of the healthy microbiota. Where changes in the composition or metabolic functions of the microbiome may occur, they must be carefully evaluated to ensure that essential biological functions are unaffected. As such, the purpose of this review is to consider the microbiota of each of the "ecological niches" of the human body and highlight the importance of the microbiota in maintaining a healthy body as well as the possibility of its modulation through the use of probiotics for the prevention and treatment of certain human diseases.
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Affiliation(s)
- Svetoslav D Todorov
- ProBacLab, Laboratório de Microbiologia de Alimentos, Departamento de Alimentos E Nutrição Experimental, Food Research Center, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, SP, 05508-000, Brazil.
- Instituto Politécnico de Viana Do Castelo, 4900-347, Viana Do Castelo, Portugal.
| | - John Tagg
- Blis Technologies, South Dunedin, 9012, New Zealand
| | - Ammar Algburi
- Department of Microbiology, College of Veterinary Medicine, University of Diyala, Baqubah, Iraq
| | - Santosh Kumar Tiwari
- Department of Genetics, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Igor Popov
- Center for Agrobiotechnology, Don State Technical University, Gagarina Sq., 1344002, Rostov-On-Don, Russia
- Division of Immunobiology and Biomedicine, Center of Genetics and Life Sciences, Sirius University of Science and Technology, Federal Territory Sirius, Olimpijskij Ave., 1, Federal Territory Sirius, Sirius, 354340, Russia
- Centre for Healthy Eating & Food Innovation (HEFI), Maastricht University-Campus Venlo, Villafloraweg, 1, 5928 SZ, Venlo, The Netherlands
| | - Richard Weeks
- Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers, the State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Oleg V Mitrokhin
- Department of General Hygiene, I.M. Sechenov First Moscow State Medical University, Moscow, 119435, Russia
| | - Ilya A Kudryashov
- Department of General Hygiene, I.M. Sechenov First Moscow State Medical University, Moscow, 119435, Russia
| | - Denis A Kraskevich
- Department of General Hygiene, I.M. Sechenov First Moscow State Medical University, Moscow, 119435, Russia
| | - Michael L Chikindas
- Center for Agrobiotechnology, Don State Technical University, Gagarina Sq., 1344002, Rostov-On-Don, Russia.
- Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers, the State University of New Jersey, New Brunswick, NJ, 08901, USA.
- Department of General Hygiene, I.M. Sechenov First Moscow State Medical University, Moscow, 119435, Russia.
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Kujawska M, Neuhaus K, Huptas C, Jiménez E, Arboleya S, Schaubeck M, Hall LJ. Exploring the Potential Probiotic Properties of Bifidobacterium breve DSM 32583-A Novel Strain Isolated from Human Milk. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10346-9. [PMID: 39287748 DOI: 10.1007/s12602-024-10346-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/12/2024] [Indexed: 09/19/2024]
Abstract
Human milk is the best nutrition for infants, providing optimal support for the developing immune system and gut microbiota. Hence, it has been used as source for probiotic strain isolation, including members of the genus Bifidobacterium, in an effort to provide beneficial effects to infants who cannot be exclusively breastfed. However, not all supplemented bifidobacteria can effectively colonise the infant gut, nor confer health benefits to the individual infant host; therefore, new isolates are needed to develop a range of dietary products for this specific age group. Here, we investigated the beneficial potential of Bifidobacterium breve DSM 32583 isolated from human milk. We show that in vitro B. breve DSM 32583 exhibited several characteristics considered fundamental for beneficial bacteria, including survival in conditions simulating those present in the digestive tract, adherence to human epithelial cell lines, and inhibition of growth of potentially pathogenic microorganisms. Its antibiotic resistance patterns were comparable to those of known beneficial bifidobacterial strains, and its genome did not contain plasmids nor virulence-associated genes. These results suggest that B. breve DSM 32583 is a potential probiotic candidate.
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Affiliation(s)
- Magdalena Kujawska
- Chair of intestinal Microbiome, ZIEL - Institute for Food & Health, Technical University of Munich, Weihenstephaner Berg 3, 85354, Freising, Germany
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, B15 2TT, UK
| | - Klaus Neuhaus
- Core Facility Microbiome, ZIEL Institute for Food & Health, Technical University of Munich, Weihenstephaner Berg 3, 85354, Freising, Germany
| | - Christopher Huptas
- Chair of Microbial Ecology, Wissenschaftszentrum Weihenstephan, Technical University of Munich, Weihenstephaner Berg 3, 85354, Freising, Germany
| | | | - Silvia Arboleya
- Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Paseo Rio Linares s/n, 33300, Villaviciosa, Spain
| | - Monika Schaubeck
- HiPP GmbH & Co. Vertrieb KG, Georg-Hipp-Str. 7, 85276, Pfaffenhofen (Ilm), Germany.
| | - Lindsay J Hall
- Chair of intestinal Microbiome, ZIEL - Institute for Food & Health, Technical University of Munich, Weihenstephaner Berg 3, 85354, Freising, Germany
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, B15 2TT, UK
- Gut Microbes & Health, Quadram Institute Bioscience, Norwich Research Park, Norwich, NR4 7UQ, UK
- Norwich Medical School, University of East Anglia, Norwich Research Park, NR4 7TJ, UK
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Pagkou D, Kogias E, Foroglou N, Kotzampassi K. Probiotics in Traumatic Brain Injury: New Insights into Mechanisms and Future Perspectives. J Clin Med 2024; 13:4546. [PMID: 39124812 PMCID: PMC11313054 DOI: 10.3390/jcm13154546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Revised: 07/19/2024] [Accepted: 07/30/2024] [Indexed: 08/12/2024] Open
Abstract
Traumatic brain injury (TBI) is a serious global public health issue, recognized as a chronic and progressive disease that can affect multiple organs, including the gastrointestinal (GI) tract. Research shows that there is a specific link between the GI tract and the central nervous system, termed the gut-brain axis, which consists of bidirectional exchange between these two. Several preclinical and clinical studies have demonstrated intestinal barrier dysfunction, intestinal inflammation and gut dysbiosis in patients with TBI. It is proven that probiotics can modulate the inflammatory process and modify gut microbiota. Numerous animal studies and human clinical trials have proven the effectiveness of selected bacterial strains as an adjuvant treatment in reducing inflammation, infection rates and time spent in intensive care of hospitalized patients suffering from brain injury. Thus, this review summarizes the current evidence regarding the beneficial effects of probiotic administration in patients suffering from TBI-related complications. This review will help identify novel therapeutic strategies in the future as probiotics have an extensive history of apparently safe use.
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Affiliation(s)
- Diamantoula Pagkou
- Department of Neurosurgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Kiriakidi 1, 54636 Thessaloniki, Greece; (E.K.); (N.F.)
| | - Evangelos Kogias
- Department of Neurosurgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Kiriakidi 1, 54636 Thessaloniki, Greece; (E.K.); (N.F.)
| | - Nikolaos Foroglou
- Department of Neurosurgery, AHEPA University Hospital, Aristotle University of Thessaloniki, Kiriakidi 1, 54636 Thessaloniki, Greece; (E.K.); (N.F.)
| | - Katerina Kotzampassi
- Department of Surgery, Aristotle University of Thessaloniki, Kiriakidi 1, 54636 Thessaloniki, Greece;
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Ku S, Haque MA, Jang MJ, Ahn J, Choe D, Jeon JI, Park MS. The role of Bifidobacterium in longevity and the future of probiotics. Food Sci Biotechnol 2024; 33:2097-2110. [PMID: 39130652 PMCID: PMC11315853 DOI: 10.1007/s10068-024-01631-y] [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: 03/25/2024] [Revised: 05/28/2024] [Accepted: 06/03/2024] [Indexed: 08/13/2024] Open
Abstract
This review explores the role and health impacts of probiotics, focusing specifically on Bifidobacterium spp. It highlights the functionalities that Bifidobacteria can provide, underscored by the historical evolution of definitions and technological advancements related to probiotics. By examining the association between Bifidobacteria and longevity, this review suggests new avenues for health enhancement. Highlighting case studies of centenarians, it presents examples related to human aging, illuminating the potential links to longevity through research on Bifidobacterium strains found in centenarians. This review not only emphasizes the importance of current research but also advocates for further investigation into the health benefits of Bifidobacteria, underlining the necessity for continuous study in the nutraceutical field.
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Affiliation(s)
- Seockmo Ku
- Department of Food Science and Technology, Texas A&M University, College Station, TX 77843 USA
| | - Md Ariful Haque
- Department of Food Science and Technology, Texas A&M University, College Station, TX 77843 USA
| | - Min Ji Jang
- Department of Food Science and Technology, Texas A&M University, College Station, TX 77843 USA
| | - Jaehyun Ahn
- Department of Agricultural Leadership, Education and Communications, Texas A&M University, College Station, TX 77843 USA
| | - Deokyeong Choe
- School of Food Science and Biotechnology, Kyungpook National University, Daegu, 41566 Korea
| | - Jong Ik Jeon
- Research Center, BIFIDO Co., Ltd, Hongcheon, 25117 South Korea
| | - Myeong Soo Park
- Research Center, BIFIDO Co., Ltd, Hongcheon, 25117 South Korea
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Kango N, Nath S. Prebiotics, Probiotics and Postbiotics: The Changing Paradigm of Functional Foods. J Diet Suppl 2024; 21:709-735. [PMID: 38881201 DOI: 10.1080/19390211.2024.2363199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
The rampant use of antibiotics has led to the emergence of multidrug resistance and is often coupled with gut dysbiosis. To circumvent the harmful impact of antibiotics, probiotics have emerged as an effective intervention. However, while the new probiotics are being added to the list, more recently, the nature and role of their counterparts, viz. prebiotics, postbiotics and parabiotics have also drawn considerable attention. As such, intricate relationships among these gut-biotics vis-à-vis their role in imparting health benefits is to be delineated in a holistic manner. Prebiotic dietary fibers are selectively fermented by probiotics and promote their colonization in the gut. The proliferation of probiotics leads to production of fermentation by-products (postbiotics) which affect the growth of enteropathogens by lowering the pH and producing inhibitory bacteriocins. After completing life-cycle, their dead remnants (parabiotics e.g. exopolysaccharides and cell wall glycoproteins) also inhibit adhesion and biofilm formation of pathogens on the gut epithelium. These beneficial effects are not just endemic to gut but a systemic response is witnessed at different gut-organ axes. Thus, to decipher the role of probiotics, it is imperative to unravel the interdependence between these components. This review elaborates on the recent advancements on various aspects of these gut-biotics and the mechanism of potential attributes like anti-oxidant, anti-inflammatory, anti-neoplastic, anti-lipidemic and anti-hyperglycemic benefits.
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Affiliation(s)
- Naveen Kango
- Department of Microbiology, Dr. Harisingh Gour Vishwavidyalaya (A Central University), Sagar, India
| | - Suresh Nath
- Department of Microbiology, Dr. Harisingh Gour Vishwavidyalaya (A Central University), Sagar, India
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McCoubrey LE, Ferraro F, Seegobin N, Verin J, Alfassam HA, Awad A, Marzorati M, Verstrepen L, Ghyselinck J, De Munck J, De Medts J, Steppe E, De Vleeschhauwer V, De Rocker G, Droesbeke A, De Rijck M, Vanthoor S, Moens F, Siepmann J, Siepmann F, Gaisford S, Orlu M, Basit AW. Poly(D,l-lactide-co-glycolide) particles are metabolised by the gut microbiome and elevate short chain fatty acids. J Control Release 2024; 369:163-178. [PMID: 38521168 DOI: 10.1016/j.jconrel.2024.03.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/17/2024] [Accepted: 03/20/2024] [Indexed: 03/25/2024]
Abstract
The production of short chain fatty acids (SCFAs) by the colonic microbiome has numerous benefits for human health, including maintenance of epithelial barrier function, suppression of colitis, and protection against carcinogenesis. Despite the therapeutic potential, there is currently no optimal approach for elevating the colonic microbiome's synthesis of SCFAs. In this study, poly(D,l-lactide-co-glycolide) (PLGA) was investigated for this application, as it was hypothesised that the colonic microbiota would metabolise PLGA to its lactate monomers, which would promote the resident microbiota's synthesis of SCFAs. Two grades of spray dried PLGA, alongside a lactate bolus control, were screened in an advanced model of the human colon, known as the M-SHIME® system. Whilst the high molecular weight (Mw) grade of PLGA was stable in the presence of the microbiota sourced from three healthy humans, the low Mw PLGA (PLGA 2) was found to be metabolised. This microbial degradation led to sustained release of lactate over 48 h and increased concentrations of the SCFAs propionate and butyrate. Further, microbial synthesis of harmful ammonium was significantly reduced compared to untreated controls. Interestingly, both types of PLGA were found to influence the composition of the luminal and mucosal microbiota in a donor-specific manner. An in vitro model of an inflamed colonic epithelium also showed the polymer to affect the expression of pro- and anti-inflammatory markers, such as interleukins 8 and 10. The findings of this study reveal PLGA's sensitivity to enzymatic metabolism in the gut, which could be harnessed for therapeutic elevation of colonic SCFAs.
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Affiliation(s)
- Laura E McCoubrey
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, United Kingdom
| | - Fabiana Ferraro
- Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France
| | - Nidhi Seegobin
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, United Kingdom
| | - Jérémy Verin
- Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France
| | - Haya A Alfassam
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, United Kingdom; Advanced Diagnostics and Therapeutics Institute, Health Sector, King Abdulaziz City for Science and Technology (KACST), 114422 Riyadh, Saudi Arabia
| | - Atheer Awad
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, United Kingdom; Department of Clinical, Pharmaceutical and Biological Sciences, University of Hertfordshire, College Lane, Hatfield AL10 9AB, United Kingdom
| | | | | | | | | | | | - Evi Steppe
- ProDigest BVB, Technologiepark 73, 9052 Ghent, Belgium
| | | | | | | | | | - Sara Vanthoor
- ProDigest BVB, Technologiepark 73, 9052 Ghent, Belgium
| | | | | | | | - Simon Gaisford
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, United Kingdom
| | - Mine Orlu
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, United Kingdom
| | - Abdul W Basit
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, United Kingdom.
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Kumbhare SV, Pedroso I, Ugalde JA, Márquez-Miranda V, Sinha R, Almonacid DE. Drug and gut microbe relationships: Moving beyond antibiotics. Drug Discov Today 2023; 28:103797. [PMID: 37806386 DOI: 10.1016/j.drudis.2023.103797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 09/23/2023] [Accepted: 10/04/2023] [Indexed: 10/10/2023]
Abstract
Our understanding of drug-microbe relationships has evolved from viewing microbes as mere drug producers to a dynamic, modifiable system where they can serve as drugs or targets of precision pharmacology. This review highlights recent findings on the gut microbiome, particularly focusing on four aspects of research: (i) drugs for bugs, covering recent strategies for targeting gut pathogens; (ii) bugs as drugs, including probiotics; (iii) drugs from bugs, including postbiotics; and (iv) bugs and drugs, discussing additional types of drug-microbe interactions. This review provides a perspective on future translational research, including efficient companion diagnostics in pharmaceutical interventions.
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Affiliation(s)
| | | | - Juan A Ugalde
- Center for Bioinformatics and Integrative Biology, Facultad de Ciencias de la Vida, Universidad Andres Bello, Santiago, Chile
| | - Valeria Márquez-Miranda
- Center for Bioinformatics and Integrative Biology, Facultad de Ciencias de la Vida, Universidad Andres Bello, Santiago, Chile
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Gao PP, Liu HQ, Ye ZW, Zheng QW, Zou Y, Wei T, Guo LQ, Lin JF. The beneficial potential of protein hydrolysates as prebiotic for probiotics and its biological activity: a review. Crit Rev Food Sci Nutr 2023; 64:13045-13057. [PMID: 37811651 DOI: 10.1080/10408398.2023.2260467] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Probiotics are not only a food supplement, but they have shown great potential in their nutritional, health and therapeutic effects. To maximize the beneficial effects of probiotics, it is commonly achieved by adding prebiotics. Prebiotics primarily comprise indigestible carbohydrates, specific peptides, proteins, and lipids, with oligosaccharides being the most extensively studied prebiotics. However, these rapidly fermenting oligosaccharides have many drawbacks and can cause diarrhea and flatulence in the body. Hence, the exploration of new prebiotic is of great interest. Besides oligosaccharides, protein hydrolysates have been demonstrated to enhance the expression of beneficial properties of probiotics. Consequently, this paper outlines the mechanism underlying the action of protein hydrolysates on probiotics, as well as the advantageous impacts of proteins hydrolysates derived from various food sources on probiotics. In addition, this paper also reviews the currently reported biological activities of protein hydrolysates. The aim is a theoretical basis for the development and implementation of novel prebiotics.
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Affiliation(s)
- Ping-Ping Gao
- Department of Bioengineering, College of Food Science, South China Agricultural University, Guangzhou City, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou City, China
| | - Han-Qing Liu
- Department of Bioengineering, College of Food Science, South China Agricultural University, Guangzhou City, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou City, China
| | - Zhi-Wei Ye
- Department of Bioengineering, College of Food Science, South China Agricultural University, Guangzhou City, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou City, China
| | - Qian-Wang Zheng
- Department of Bioengineering, College of Food Science, South China Agricultural University, Guangzhou City, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou City, China
| | - Yuan Zou
- Department of Bioengineering, College of Food Science, South China Agricultural University, Guangzhou City, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou City, China
| | - Tao Wei
- Department of Bioengineering, College of Food Science, South China Agricultural University, Guangzhou City, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou City, China
| | - Li-Qiong Guo
- Department of Bioengineering, College of Food Science, South China Agricultural University, Guangzhou City, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou City, China
| | - Jun-Fang Lin
- Department of Bioengineering, College of Food Science, South China Agricultural University, Guangzhou City, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou City, China
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Pawar A, Zabetakis I, Gavankar T, Lordan R. Milk polar lipids: Untapped potential for pharmaceuticals and nutraceuticals. PHARMANUTRITION 2023. [DOI: 10.1016/j.phanu.2023.100335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
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Kubiak AM, de Laak JV, Zhang Y, Bailey TS, Claessen L, Hittmeyer P, Vlaswinkel C, Mowday A, Dubois LJ, Theys J. Clostridia as live biotherapeutics: can modified Clostridium species enhance disease treatments? Future Microbiol 2023; 18:385-388. [PMID: 37218518 DOI: 10.2217/fmb-2022-0220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 03/06/2023] [Indexed: 05/24/2023] Open
Affiliation(s)
- Alekandra M Kubiak
- Department of Precision Medicine, The M-Lab, GROW - School of Oncology, Maastricht University, Maastricht, 6200, MD, The Netherlands
- Exomnis Biotech BV, Maastricht, 6229, EV, The Netherlands
| | - Jella van de Laak
- Department of Precision Medicine, The M-Lab, GROW - School of Oncology, Maastricht University, Maastricht, 6200, MD, The Netherlands
| | - Yanchao Zhang
- Department of Precision Medicine, The M-Lab, GROW - School of Oncology, Maastricht University, Maastricht, 6200, MD, The Netherlands
| | - Tom S Bailey
- Department of Precision Medicine, The M-Lab, GROW - School of Oncology, Maastricht University, Maastricht, 6200, MD, The Netherlands
| | - Luuk Claessen
- Department of Precision Medicine, The M-Lab, GROW - School of Oncology, Maastricht University, Maastricht, 6200, MD, The Netherlands
| | - Philip Hittmeyer
- Department of Precision Medicine, The M-Lab, GROW - School of Oncology, Maastricht University, Maastricht, 6200, MD, The Netherlands
| | - Carlijn Vlaswinkel
- Department of Precision Medicine, The M-Lab, GROW - School of Oncology, Maastricht University, Maastricht, 6200, MD, The Netherlands
| | - Alexsandra Mowday
- Auckland Cancer Society Research Centre, University of Auckland, Auckland, 1023, New Zealand
| | - Ludwig J Dubois
- Department of Precision Medicine, The M-Lab, GROW - School of Oncology, Maastricht University, Maastricht, 6200, MD, The Netherlands
| | - Jan Theys
- Department of Precision Medicine, The M-Lab, GROW - School of Oncology, Maastricht University, Maastricht, 6200, MD, The Netherlands
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Kil BJ, Pyung YJ, Park H, Kang JW, Yun CH, Huh CS. Probiotic potential of Saccharomyces cerevisiae GILA with alleviating intestinal inflammation in a dextran sulfate sodium induced colitis mouse model. Sci Rep 2023; 13:6687. [PMID: 37095161 PMCID: PMC10125971 DOI: 10.1038/s41598-023-33958-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 04/21/2023] [Indexed: 04/26/2023] Open
Abstract
Recently, several probiotic products have been developed; however, most probiotic applications focused on prokaryotic bacteria whereas eukaryotic probiotics have received little attention. Saccharomyces cerevisiae yeast strains are eukaryotes notable for their fermentation and functional food applications. The present study investigated the novel yeast strains isolated from Korean fermented beverages and examined their potential probiotic characteristics. We investigated seven strains among 100 isolates with probiotic characteristics further. The strains have capabilities such as auto-aggregation tendency, co-aggregation with a pathogen, hydrophobicity with n-hexadecane,1,1-diphenyl-2-picrylhydrazyl scavenging effect, survival in simulated gastrointestinal tract conditions and the adhesion ability of the strains to the Caco-2 cells. Furthermore, all the strains contained high cell wall glucan content, a polysaccharide with immunological effects. Internal transcribed spacer sequencing identified the Saccharomyces strains selected in the present study as probiotics. To examine the effects of alleviating inflammation in cells, nitric oxide generation in raw 264.7 cells with S. cerevisiae showed that S. cerevisiae GILA could be a potential probiotic strain able to alleviate inflammation. Three probiotics of S. cerevisiae GILA strains were chosen by in vivo screening with a dextran sulfate sodium-induced colitis murine model. In particular, GILA 118 down-regulates neutrophil-lymphocyte ratio and myeloperoxidase in mice treated with DSS. The expression levels of genes encoding tight junction proteins in the colon were upregulated, cytokine interleukin-10 was significantly increased, and tumor necrosis factor-α was reduced in the serum.
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Affiliation(s)
- Bum Ju Kil
- Biomodulation Major, and Center for Food and Bioconvergence, Seoul National University, Seoul, 08826, Republic of Korea
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Young Jin Pyung
- Biomodulation Major, and Center for Food and Bioconvergence, Seoul National University, Seoul, 08826, Republic of Korea
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Hyunjoon Park
- Research Institute of Eco-Friendly Livestock Science, Institute of Green-Bio Science and Technology, Seoul National University, Pyeongchang-gun, 25354, Republic of Korea
| | - Jun-Won Kang
- Department of Food Science and Biotechnology, Dongguk University-Seoul, 32, Dongguk-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do, 10326, Republic of Korea
| | - Cheol-Heui Yun
- Biomodulation Major, and Center for Food and Bioconvergence, Seoul National University, Seoul, 08826, Republic of Korea.
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
- Research Institute of Eco-Friendly Livestock Science, Institute of Green-Bio Science and Technology, Seoul National University, Pyeongchang-gun, 25354, Republic of Korea.
| | - Chul Sung Huh
- Research Institute of Eco-Friendly Livestock Science, Institute of Green-Bio Science and Technology, Seoul National University, Pyeongchang-gun, 25354, Republic of Korea.
- Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang-gun, 25354, Republic of Korea.
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Bharindwal S, Goswami N, Jha P, Pandey S, Jobby R. Prospective Use of Probiotics to Maintain Astronaut Health during Spaceflight. Life (Basel) 2023; 13:life13030727. [PMID: 36983881 PMCID: PMC10058446 DOI: 10.3390/life13030727] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/28/2023] [Accepted: 03/03/2023] [Indexed: 03/30/2023] Open
Abstract
Maintaining an astronaut's health during space travel is crucial. Multiple studies have observed various changes in the gut microbiome and physiological health. Astronauts on board the International Space Station (ISS) had changes in the microbial communities in their gut, nose, and skin. Additionally, immune system cell alterations have been observed in astronauts with changes in neutrophils, monocytes, and T-cells. Probiotics help tackle these health issues caused during spaceflight by inhibiting pathogen adherence, enhancing epithelial barrier function by reducing permeability, and producing an anti-inflammatory effect. When exposed to microgravity, probiotics demonstrated a shorter lag phase, faster growth, improved acid tolerance, and bile resistance. A freeze-dried Lactobacillus casei strain Shirota capsule was tested for its stability on ISS for a month and has been shown to enhance innate immunity and balance intestinal microbiota. The usage of freeze-dried spores of B. subtilis proves to be advantageous to long-term spaceflight because it qualifies for all the aspects tested for commercial probiotics under simulated conditions. These results demonstrate a need to further study the effect of probiotics in simulated microgravity and spaceflight conditions and to apply them to overcome the effects caused by gut microbiome dysbiosis and issues that might occur during spaceflight.
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Affiliation(s)
- Sahaj Bharindwal
- Amity Centre of Excellence in Astrobiology, Amity University Mumbai, Mumbai 410206, Maharashtra, India
- Department of Biology, University of Naples Federico II, 80131 Naples, Italy
- Amity Institute of Biotechnology, Amity University Maharashtra, Mumbai 410206, Maharashtra, India
| | - Nidhi Goswami
- Amity Centre of Excellence in Astrobiology, Amity University Mumbai, Mumbai 410206, Maharashtra, India
- Amity Institute of Biotechnology, Amity University Maharashtra, Mumbai 410206, Maharashtra, India
| | - Pamela Jha
- Sunandan Divatia School of Science, NMIMS University Mumbai, Mumbai 400056, Maharashtra, India
| | - Siddharth Pandey
- Amity Centre of Excellence in Astrobiology, Amity University Mumbai, Mumbai 410206, Maharashtra, India
| | - Renitta Jobby
- Amity Centre of Excellence in Astrobiology, Amity University Mumbai, Mumbai 410206, Maharashtra, India
- Amity Institute of Biotechnology, Amity University Maharashtra, Mumbai 410206, Maharashtra, India
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Can probiotic gargles reduce post-tonsillectomy morbidity in adult patients? A pilot, triple-blind, randomised, controlled trial and feasibility study. J Laryngol Otol 2023; 137:323-341. [PMID: 35317870 PMCID: PMC9975764 DOI: 10.1017/s0022215122000743] [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] [Indexed: 11/05/2022]
Abstract
OBJECTIVE This study aimed to determine the efficacy of probiotic gargles compared with placebo gargles on reducing post-tonsillectomy morbidity in adults. METHOD This was a triple-blind, randomised, controlled trial and feasibility study. Thirty adults underwent elective tonsillectomy and were randomly assigned to receive either probiotic or placebo gargles for 14 days after surgery. Daily pain scores and requirement of analgesia were measured for 14 days post-operatively. Secondary outcomes assessed probiotic safety and tolerability and the feasibility of the trial. RESULTS The probiotic group experienced less pain at rest on day 2. However, the amount of oxycodone (5 mg) tablets used was greater in the probiotic group compared with placebo. There were no statistically significant differences in the frequency of adverse effects between both groups. This trial was feasible. CONCLUSION This pilot study suggested that probiotic gargles do not reduce post-tonsillectomy pain or bleeding, highlighting the importance of pilot and feasibility studies in clinical research.
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Selection of Beneficial Bacterial Strains With Potential as Oral Probiotic Candidates. Probiotics Antimicrob Proteins 2022; 14:1077-1093. [PMID: 34982415 DOI: 10.1007/s12602-021-09896-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/20/2021] [Indexed: 12/25/2022]
Abstract
This study aimed to select beneficial strains from the oral cavity of healthy volunteers and to evaluate these as potential oral probiotic candidates. The selection process was based on the isolation, differentiation, identification, and safety assessment of LAB strains, followed by a series of experiments for the selection of appropriate candidates with beneficial properties. In the screening procedure, 8 isolates from the oral cavity of a Caucasian volunteers were identified as Streptococcus (Str.) salivarius ST48HK, ST59HK, ST61HK, and ST62HK; Lactiplantibacillus plantarum (Lb.) (Lactobacillus plantarum) ST63HK and ST66HK; Latilactobacillus sakei (Lb.) (Lactobacillus sakei) ST69HK; and Lactobacillus (Lb.) gasseri ST16HK based on 16S rRNA sequencing. Physiological and phenotypic tests did not show hemolytic, proteinase, or gelatinase activities, as well as production of biogenic amines. In addition, screening for the presence of efaA, cyt, IS16, esp, asa1, and hyl virulence genes and vancomycin-resistant genes confirmed safety of the studied strains. Moreover, cell-to-cell antagonism indicated that the strains were able to inhibit the growth of tested representatives from the genera Bacillus, Enterococcus, Streptococcus, and Staphylococcus in a strain-specific manner. Various beneficial genes were detected including gad gene, which codes for GABA production. Furthermore, cell surface hydrophobicity levels ranging between 1.58% and 85% were determined. The studied strains have also demonstrated high survivability in a broad range of pH (4.0-8.0). The interaction of the 8 putative probiotic candidates with drugs from different groups and oral hygiene products were evaluated for their MICs. This is to determine if the application of these drugs and hygiene products can negatively affect the oral probiotic candidates. Overall, antagonistic properties, safety assessment, and high rates of survival in the presence of these commonly used drugs and oral hygiene products indicate Str. salivarius ST48HK, ST59HK, ST61HK, and ST62HK; Lb. plantarum ST63HK and ST66HK; Lb. sakei ST69HK; and Lb. gasseri ST16HK as promising oral cavity probiotic candidates.
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15
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Ramirez-Olea H, Reyes-Ballesteros B, Chavez-Santoscoy RA. Potential application of the probiotic Bacillus licheniformis as an adjuvant in the treatment of diseases in humans and animals: A systematic review. Front Microbiol 2022; 13:993451. [PMID: 36225361 PMCID: PMC9549136 DOI: 10.3389/fmicb.2022.993451] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 08/24/2022] [Indexed: 11/13/2022] Open
Abstract
The use of Bacillus licheniformis as a probiotic has increased significantly in recent years. Published reports demonstrate that it provides multiple benefits for health. Although there are already studies in humans and is marketed, it is mostly used in the veterinary industry still. However, its benefits could be extrapolated to humans in future. This review addresses the application of B. licheniformis, its sporulation, mechanisms of action, and its role in the resolution, treatment, and prevention of different conditions and diseases. It focuses on scientific advances from 2016 to mid-2022 and emphasizes the most common diseases in the general population. Most of the 70% of published studies about the health benefits of B. licheniformis have been published from 2016 until now. The intake of B. licheniformis has been related to the effects of modulation of the intestinal microbiota, antimicrobial activity, growth promotion, anti-inflammatory and immunostimulatory effects, promotion of the regulation of the lipid profile, increase of neurotransmitters, and stress reduction, among others. These results provide novel possible applications of this and other probiotics in general. Although many benefits can be reported on a microorganism, the combination with others could provide a better effect. Further studies like this need to be done to understand the specific advantages of each probiotic and its strains and therefore achieve a better selection of them for a specific disease or disorder.
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Affiliation(s)
- Hugo Ramirez-Olea
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Campus Monterrey, Monterrey, NL, Mexico
| | - Bernardo Reyes-Ballesteros
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Campus Estado de México, Ciudad López Mateos, MX, Mexico
| | - Rocio Alejandra Chavez-Santoscoy
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Campus Monterrey, Monterrey, NL, Mexico
- *Correspondence: Rocio Alejandra Chavez-Santoscoy,
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16
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Dou W, Abdalla HB, Chen X, Sun C, Chen X, Tian Q, Wang J, Zhou W, Chi W, Zhou X, Ye H, Bi C, Tian X, Yang Y, Wong A. ProbResist: a database for drug-resistant probiotic bacteria. Database (Oxford) 2022; 2022:6665407. [PMID: 35962763 PMCID: PMC9375527 DOI: 10.1093/database/baac064] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 07/04/2022] [Accepted: 08/06/2022] [Indexed: 11/13/2022]
Abstract
Drug resistance remains a global threat, and the rising trend of consuming probiotic-containing foods, many of which harbor antibiotic resistant determinants, has raised serious health concerns. Currently, the lack of accessibility to location-, drug- and species-specific information of drug-resistant probiotics has hampered efforts to combat the global spread of drug resistance. Here, we describe the development of ProbResist, which is a manually curated online database that catalogs reports of probiotic bacteria that have been experimentally proven to be resistant to antibiotics. ProbResist allows users to search for information of drug resistance in probiotics by querying with the names of the bacteria, antibiotic or location. Retrieved results are presented in a downloadable table format containing the names of the antibiotic, probiotic species, resistant determinants, region where the study was conducted and digital article identifiers (PubMed Identifier and Digital Object Identifier) hyperlinked to the original sources. The webserver also presents a simple analysis of information stored in the database. Given the increasing reports of drug-resistant probiotics, an exclusive database is necessary to catalog them in one platform. It will enable medical practitioners and experts involved in policy making to access this information quickly and conveniently, thus contributing toward the broader goal of combating drug resistance.
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Affiliation(s)
- Wanying Dou
- Department of Computer Science, College of Science and Technology, Wenzhou-Kean University , 88 Daxue Road, Ouhai, Wenzhou, Zhejiang 325060, China
| | - Hemn Barzan Abdalla
- Department of Computer Science, College of Science and Technology, Wenzhou-Kean University , 88 Daxue Road, Ouhai, Wenzhou, Zhejiang 325060, China
| | - Xu Chen
- Department of Computer Science, College of Science and Technology, Wenzhou-Kean University , 88 Daxue Road, Ouhai, Wenzhou, Zhejiang 325060, China
| | - Changyi Sun
- Department of Biology, College of Science and Technology, Wenzhou-Kean University , 88 Daxue Road, Ouhai, Wenzhou, Zhejiang 325060, China
| | - Xuefei Chen
- Department of Biology, College of Science and Technology, Wenzhou-Kean University , 88 Daxue Road, Ouhai, Wenzhou, Zhejiang 325060, China
| | - Qiwen Tian
- Department of Biology, College of Science and Technology, Wenzhou-Kean University , 88 Daxue Road, Ouhai, Wenzhou, Zhejiang 325060, China
| | - Junyi Wang
- Department of Biology, College of Science and Technology, Wenzhou-Kean University , 88 Daxue Road, Ouhai, Wenzhou, Zhejiang 325060, China
| | - Wei Zhou
- Department of Biology, College of Science and Technology, Wenzhou-Kean University , 88 Daxue Road, Ouhai, Wenzhou, Zhejiang 325060, China
| | - Wei Chi
- Department of Biology, College of Science and Technology, Wenzhou-Kean University , 88 Daxue Road, Ouhai, Wenzhou, Zhejiang 325060, China
| | - Xuan Zhou
- Department of Biology, College of Science and Technology, Wenzhou-Kean University , 88 Daxue Road, Ouhai, Wenzhou, Zhejiang 325060, China
| | - Hailv Ye
- Department of Biology, College of Science and Technology, Wenzhou-Kean University , 88 Daxue Road, Ouhai, Wenzhou, Zhejiang 325060, China
| | - Chuyun Bi
- Department of Biology, College of Science and Technology, Wenzhou-Kean University , 88 Daxue Road, Ouhai, Wenzhou, Zhejiang 325060, China
- Wenzhou Municipal Key Lab for Applied Biomedical and Biopharmaceutical Informatics , Ouhai, Wenzhou, Zhejiang 325060, China
- Zhejiang Bioinformatics International Science and Technology Cooperation Center , Ouhai, Wenzhou, Zhejiang 325060, China
| | - Xuechen Tian
- Wenzhou Municipal Key Lab for Applied Biomedical and Biopharmaceutical Informatics , Ouhai, Wenzhou, Zhejiang 325060, China
- Zhejiang Bioinformatics International Science and Technology Cooperation Center , Ouhai, Wenzhou, Zhejiang 325060, China
| | - Yixin Yang
- Wenzhou Municipal Key Lab for Applied Biomedical and Biopharmaceutical Informatics , Ouhai, Wenzhou, Zhejiang 325060, China
- Zhejiang Bioinformatics International Science and Technology Cooperation Center , Ouhai, Wenzhou, Zhejiang 325060, China
| | - Aloysius Wong
- Department of Biology, College of Science and Technology, Wenzhou-Kean University , 88 Daxue Road, Ouhai, Wenzhou, Zhejiang 325060, China
- Wenzhou Municipal Key Lab for Applied Biomedical and Biopharmaceutical Informatics , Ouhai, Wenzhou, Zhejiang 325060, China
- Zhejiang Bioinformatics International Science and Technology Cooperation Center , Ouhai, Wenzhou, Zhejiang 325060, China
- Department of Computer Science, College of Science and Technology, Wenzhou-Kean University , 88 Daxue Road, Ouhai, Wenzhou, Zhejiang 325060, China
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Xavier-Santos D, Scharlack NK, Pena FDL, Antunes AEC. Effects of Lacticaseibacillus rhamnosus GG supplementation, via food and non-food matrices, on children’s health promotion: A scoping review. Food Res Int 2022; 158:111518. [DOI: 10.1016/j.foodres.2022.111518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 06/11/2022] [Accepted: 06/13/2022] [Indexed: 11/04/2022]
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18
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In vitro evaluation of antiviral activity of Shouchella clausii probiotic strain and bacterial supernatant against herpes simplex virus type 1. Arch Microbiol 2022; 204:522. [PMID: 35879582 DOI: 10.1007/s00203-022-03137-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 07/09/2022] [Accepted: 07/11/2022] [Indexed: 11/02/2022]
Abstract
Herpes simplex virus-1 (HSV-1) is an important human neurotropic virus infecting 70% of the world population. Due to the emergence of viral resistance via mutations in HSV-1 genes and some of the adverse effects of antiviral compounds, there is a growing need for safe, novel, and effective therapeutic and preventive strategies. The aim of the present study was to investigate for the first time the potential antiviral activity of Shouchella clausii probiotic strain and bacterial supernatant against HSV-1. The MTT assay was used to determine the possible cytotoxicity of the S. clausii and bacterial supernatant. Vero cells were treated by S. clausii, bacterial supernatant, and HSV-1 under pre-treatment (incubation of Vero cells with S. clausii then HSV-1 inoculation), pre-incubation (mixture of co-incubated HSV-1/S. clausii added to Vero cell), competition (adding HSV-1 and S. clausii into Vero cells simultaneously) and post-treatment (Vero cells inoculated with HSV-1 then incubated with S. clausii) assays. Viral titer reduction (TCID50) and viral DNA relative quantification by real-time PCR were measured in each experimental condition. The results indicated that S. clausii and its supernatant had the greatest inhibitory activity toward HSV-1 in pre-treatment assay. The HSV-1 titer treated with S. clausii, and bacterial supernatant was 3.6 and 2.2 Log10TCID50/mL lower compared to the control (7.66 Log10TCID50/mL). Results showed an antiviral effect of S. clausii and its supernatant. S. clausii could be considered as a novel inhibitor for HSV-1 infection.
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Aziz G, Zaidi A, Tariq M. Compositional Quality and Possible Gastrointestinal Performance of Marketed Probiotic Supplements. Probiotics Antimicrob Proteins 2022; 14:288-312. [PMID: 35199309 DOI: 10.1007/s12602-022-09931-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/11/2022] [Indexed: 12/15/2022]
Abstract
The local pharmacies and shops are brimming with various probiotic products that herald a range of health benefits. The poor quality of probiotic products in both dosage and species is symptomatic of this multi-billion-dollar market making it difficult for consumers to single out reliable ones. This study aims to fill the potential gap in the labeling accuracy of probiotic products intended for human consumption. We describe a combinatorial approach using classical culture-dependent technique to quantify and molecular techniques (16 s rRNA gene sequencing, multilocus sequence, and ribotyping) for strain recognition of the microbial contents. The full gamut of probiotic characteristics including acid, bile and lysozyme tolerances, adhesiveness, anti-pathogenicity, and degree of safeness were performed. Their capacity to endure gastro-intestinal (GIT) stresses and select drugs was assessed in vitro. Our results forced us to declare that the local probiotic market is essentially unregulated. Almost none of the probiotic products tested met the label claim. Some (11%) have no viable cells, and a quarter (27%) showing significant inter-batch variation. A lower microbial count was typical with undesirables constituting a quarter of the total (~ 27%). Half of the products contained antibiotic-resistant strains; the unregulated use of these probiotics carries the risk of spreading antibiotic resistance to gut pathobionts. Poor tolerance to gut conditions and mediocre functionalism make the case worse. The current regulatory systems do not take this discrepancy into account. We recommend an evidence-based regular market surveillance of marketed probiotics to ensure the authenticity of the claims and product effectiveness.
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Affiliation(s)
- Ghazal Aziz
- National Probiotic Laboratory, National Institute for Biotechnology and Genetic Engineering College (NIBGE-C)-PIEAS, Faisalabad, 38000, Punjab, Pakistan
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad, 45650, ICT, Pakistan
| | - Arsalan Zaidi
- National Probiotic Laboratory, National Institute for Biotechnology and Genetic Engineering College (NIBGE-C)-PIEAS, Faisalabad, 38000, Punjab, Pakistan.
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad, 45650, ICT, Pakistan.
| | - Muhammad Tariq
- National Probiotic Laboratory, National Institute for Biotechnology and Genetic Engineering College (NIBGE-C)-PIEAS, Faisalabad, 38000, Punjab, Pakistan
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad, 45650, ICT, Pakistan
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20
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Kuehnast T, Abbott C, Pausan MR, Pearce DA, Moissl-Eichinger C, Mahnert A. The crewed journey to Mars and its implications for the human microbiome. MICROBIOME 2022; 10:26. [PMID: 35125119 PMCID: PMC8818331 DOI: 10.1186/s40168-021-01222-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 12/16/2021] [Indexed: 05/04/2023]
Abstract
A human spaceflight to Mars is scheduled for the next decade. In preparation for this unmatched endeavor, a plethora of challenges must be faced prior to the actual journey to Mars. Mission success will depend on the health of its crew and its working capacity. Hence, the journey to Mars will also depend on the microbiome and its far-reaching effects on individual crew health, the spaceship's integrity, and food supply. As human beings rely on their microbiome, these microbes are essential and should be managed to ensure their beneficial effects outweigh potential risks. In this commentary, we focus on the current state of knowledge regarding a healthy (gut) microbiome of space travelers based on research from the International Space Station and simulation experiments on Earth. We further indicate essential knowledge gaps of microbial conditions during long-term space missions in isolated confined space habitats or outposts and give detailed recommendations for microbial monitoring during pre-flight, in-flight, and post-flight. Finally, the conclusion outlines open questions and aspects of space traveler's health beyond the scope of this commentary. Video Abstract.
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Affiliation(s)
- Torben Kuehnast
- Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010, Graz, Austria
| | - Carmel Abbott
- Department of Applied Sciences, Faculty of Health and Life Sciences, Northumbria University at Newcastle, Northumberland Road, Newcastle-upon-Tyne, NE1 8ST, UK
| | - Manuela R Pausan
- Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010, Graz, Austria
| | - David A Pearce
- Department of Applied Sciences, Faculty of Health and Life Sciences, Northumbria University at Newcastle, Northumberland Road, Newcastle-upon-Tyne, NE1 8ST, UK
| | - Christine Moissl-Eichinger
- Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010, Graz, Austria
- BioTechMed, Graz, Austria
| | - Alexander Mahnert
- Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010, Graz, Austria.
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21
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Salvador PBU, Dalmacio LMM, Kim SH, Kang DK, Balolong MP. Immunomodulatory potential of four candidate probiotic Lactobacillus strains from plant and animal origin using comparative genomic analysis. Access Microbiol 2022; 3:000299. [PMID: 35024559 PMCID: PMC8749136 DOI: 10.1099/acmi.0.000299] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 11/02/2021] [Indexed: 12/11/2022] Open
Abstract
Probiotic strains from different origins have shown promise in recent decades for their health benefits, for example in promoting and regulating the immune system. The immunomodulatory potential of four Lactobacillus strains from animal and plant origins was evaluated in this paper based on their genomic information. Comparative genomic analysis was performed through genome alignment, average nucleotide identity (ANI) analysis and gene mining for putative immunomodulatory genes. The genomes of the four Lactobacillus strains show relative similarities in multiple regions, as observed in the genome alignment. However, ANI analysis showed that L. mucosae LM1 and L. fermentum SK152 are the most similar when considering their nucleotide sequences alone. Gene mining of putative immunomodulatory genes studied from L. plantarum WCFS1 yielded multiple results in the four potential probiotic strains, with L. plantarum SK151 showing the largest number of genes at around 74 hits, followed by L. johnsonii PF01 at 41 genes when adjusted for matches with at least 30 % identity. Looking at the immunomodulatory genes in each strain, L. plantarum SK151 and L. johnsonii PF01 may have wider activity, covering both immune activation and immune suppression, as compared to L. mucosae LM1 and L. fermentum SK152, which could be more effective in activating immune cells and the pro-inflammatory cascade rather than suppressing it. The similarities and differences between the four Lactobacillus species showed that there is no definitive trend based on the origin of isolation alone. Moreover, higher percentage identities between genomes do not directly correlate with higher similarities in potential activity, such as in immunomodulation. The immunomodulatory function of each of the four Lactobacillus strains should be observed and verified experimentally in the future, since some the activity of some genes may be strain-specific, which would not be identified through comparative genomics alone.
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Affiliation(s)
- Paul Benedic U Salvador
- Department of Biochemistry and Molecular Biology, College of Medicine, University of the Philippines Manila, Ermita, Manila 1000, Philippines
| | - Leslie Michelle M Dalmacio
- Department of Biochemistry and Molecular Biology, College of Medicine, University of the Philippines Manila, Ermita, Manila 1000, Philippines
| | - Sang Hoon Kim
- Department of Animal Resources Science, College of Biotechnology and Bioengineering, Dankook University, Republic of Korea
| | - Dae-Kyung Kang
- Department of Animal Resources Science, College of Biotechnology and Bioengineering, Dankook University, Republic of Korea
| | - Marilen P Balolong
- Department of Biology, College of Arts and Sciences, University of the Philippines Manila, Ermita, Manila 1000, Philippines
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22
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Goh ADY, Ng CSM, Toh YG, Chong JBK, Chew EH, Yap KYL. Development of a Probiotics Practice E-Reference Database for Health Care Professionals. Clin Ther 2021; 43:e364-e376.e3. [PMID: 34794833 DOI: 10.1016/j.clinthera.2021.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 08/31/2021] [Accepted: 10/14/2021] [Indexed: 11/18/2022]
Abstract
PURPOSE Currently available references provide evidence on the efficacy of probiotics strains but exclude product-specific information, making it challenging for health care professionals (HCPs) to provide consumers with suitable recommendations on probiotics. An online probiotics e-reference database was developed to assist HCPs in delivering evidence-based recommendations on probiotics to consumers. The usability and applicability of the database in health care practice were evaluated. METHODS Information on the efficacy of probiotics and probiotic products was collated using a PubMed literature search, and from local pharmacies and online supplement stores. A web database was compiled using various programming scripts and uploaded onto a web server. The database was beta-tested using an online self-administered questionnaire for community-based pharmacists, and responses were analyzed using descriptive statistics. FINDINGS The database comprised 584 clinical study excerpts, 449 probiotic products, and 1879 unique product-study links. Users can search for suitable probiotics based on their indication profile or for a specific probiotic product. Information provided includes the probiotic constituents, dosage regimen, and indications of the product, with supporting clinical evidence. Overall, all participants of the beta-test indicated that they were satisfied with the database and were willing to use it again (both, 13 participants [100%]). In addition, all participants indicated that they found the database intuitive to use and smooth functioning, without inconsistencies (both, 13 [100%]). The majority also indicated that they found the information provided to be clear, comprehensive, and useful in health care practice (12 [92.3%] each). IMPLICATIONS The probiotics e-reference database is an integrated resource that is user-friendly, and provides HCPs with ready access to clear and comprehensive information on probiotic products and clinical studies, so that HCPs can provide consumers with relevant and evidence-based recommendations on probiotics.
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Affiliation(s)
- Adison Dai Yong Goh
- Department of Pharmacy, Faculty of Science, National University of Singapore, Singapore, Singapore
| | - Charmaine Sum May Ng
- Department of Pharmacy, Faculty of Science, National University of Singapore, Singapore, Singapore
| | - Yhim Ghee Toh
- Department of Pharmacy, Faculty of Science, National University of Singapore, Singapore, Singapore
| | | | - Eng-Hui Chew
- Department of Pharmacy, Faculty of Science, National University of Singapore, Singapore, Singapore.
| | - Kevin Yi-Lwern Yap
- Department of Pharmacy, Singapore General Hospital, Singapore, Singapore; Department of Public Health, School of Psychology and Public Health, La Trobe University, Melbourne, Victoria, Australia.
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23
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Chan Y, Raju Allam VSR, Paudel KR, Singh SK, Gulati M, Dhanasekaran M, Gupta PK, Jha NK, Devkota HP, Gupta G, Hansbro PM, Oliver BGG, Chellappan DK, Dua K. Nutraceuticals: unlocking newer paradigms in the mitigation of inflammatory lung diseases. Crit Rev Food Sci Nutr 2021:1-31. [PMID: 34613853 DOI: 10.1080/10408398.2021.1986467] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Persistent respiratory tract inflammation contributes to the pathogenesis of various chronic respiratory diseases, such as asthma, chronic obstructive pulmonary disease, and pulmonary fibrosis. These inflammatory respiratory diseases have been a major public health concern as they are the leading causes of worldwide mortality and morbidity, resulting in heavy burden on socioeconomic growth throughout these years. Although various therapeutic agents are currently available, the clinical applications of these agents are found to be futile due to their adverse effects, and most patients remained poorly controlled with a low quality of life. These drawbacks have necessitated the development of novel, alternative therapeutic agents that can effectively improve therapeutic outcomes. Recently, nutraceuticals such as probiotics, vitamins, and phytochemicals have gained increasing attention due to their nutritional properties and therapeutic potential in modulating the pathological mechanisms underlying inflammatory respiratory diseases, which could ultimately result in improved disease control and overall health outcomes. As such, nutraceuticals have been held in high regard as the possible alternatives to address the limitations of conventional therapeutics, where intensive research are being performed to identify novel nutraceuticals that can positively impact various inflammatory respiratory diseases. This review provides an insight into the utilization of nutraceuticals with respect to their molecular mechanisms targeting multiple signaling pathways involved in the pathogenesis of inflammatory respiratory diseases.
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Affiliation(s)
- Yinghan Chan
- School of Pharmacy, International Medical University (IMU), Kuala Lumpur, Malaysia
| | | | - Keshav Raj Paudel
- Centre for Inflammation, Centenary Institute, Sydney, NSW, Australia.,School of Life Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW, Australia
| | - Sachin K Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Monica Gulati
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Muralikrishnan Dhanasekaran
- Department of Drug Discovery and Development, Harrison School of Pharmacy, Auburn University, Auburn, Alabama, USA
| | - Piyush Kumar Gupta
- Department of Life Sciences, School of Basic Sciences and Research (SBSR), Sharda University, Greater Noida, Uttar Pradesh, India
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering & Technology (SET), Sharda University, Greater Noida, Uttar Pradesh, India
| | - Hari Prasad Devkota
- Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto City, Kumamoto, Japan
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, Jaipur, India
| | - Philip M Hansbro
- Centre for Inflammation, Centenary Institute, Sydney, NSW, Australia.,School of Life Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW, Australia
| | - Brian Gregory George Oliver
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW, Australia.,Woolcock Institute of Medical Research, University of Sydney, Sydney, NSW, Australia
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Kamal Dua
- Department of Biotechnology, School of Engineering & Technology (SET), Sharda University, Greater Noida, Uttar Pradesh, India.,Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, Australia.,Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW, Australia
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Riddell M, Lam K, Funk A, Lodha N, Lorenzetti DL, Freedman SB. Comparison of Publication of Pediatric Probiotic vs Antibiotic Trials Registered on ClinicalTrials.gov. JAMA Netw Open 2021; 4:e2125236. [PMID: 34623409 PMCID: PMC8501398 DOI: 10.1001/jamanetworkopen.2021.25236] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
IMPORTANCE The published evidence in support of probiotic use is conflicting, which may be a result of selective publication of probiotic trials. OBJECTIVES To compare the proportion of registered trials that evaluate pediatric probiotics vs those that evaluate antibiotics that are published and to identify study-related factors associated with publication status. DESIGN, SETTING, AND PARTICIPANTS This cross-sectional study evaluated eligible trials registered in ClinicalTrials.gov, an online clinical trials registry, from July 1, 2005, to June 30, 2016. Eligible studies included participants younger than 18 years, evaluated a probiotic or 1 of the 5 most commonly prescribed antibiotics in children and adolescents, and randomized study participants. All searches were updated and finalized as of September 9, 2020. EXPOSURES Probiotic or antibiotic. MAIN OUTCOMES AND MEASURES The primary outcome was study publication status. In addition, exposure status (probiotic vs antibiotic), trial result, and funding source were assessed for independent association with publication status. Whether study design elements, publication journal impact factor, and the interval from study completion to publication differed by exposure status were also evaluated. RESULTS A total of 401 unique trials (265 probiotic and 136 antibiotic) met eligibility criteria. A greater proportion of antibiotic compared with probiotic studies were published (83 [61.0%] vs 119 [44.9%]; difference, 16.1% [95% CI, 5.8%-25.9%]). After adjustment for funding source, blinding, and purpose, studies evaluating an antibiotic were more likely to be published (odds ratio, 2.1 [95% CI, 1.3-3.4]). No other covariates included in the model were independently associated with publication status. Antibiotic trials, compared with probiotic trials, were more likely to have a therapeutic purpose (114 [83.8%] vs 117 [44.2%]; difference, 39.6% [95% CI, 31.1%-48.3%]) and to be multicenter (46 [33.8%] vs 46 [17.4%]; difference, 16.5% [95% CI, 7.5%-25.7%]). The median impact factor of the journals in which the studies were published was higher for the antibiotic trials (7.2 [IQR, 2.8-20.5] vs 3.0 [IQR, 2.3-4.2]; P < .001). The median number of days to publication did not differ between the probiotic and antibiotic trials (683 [IQR, 441-1036] vs 801 [IQR, 550-1183]; P = .24). CONCLUSIONS AND RELEVANCE The findings of this cross-sectional study suggest that probiotic studies are less likely to be published than antibiotic trials. No other study characteristics were associated with publication status. This finding raises concerns regarding the results of meta-analyses of probiotic trials.
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Affiliation(s)
- Madison Riddell
- Department of Pediatrics, Alberta Children’s Hospital, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Kaden Lam
- Department of Pediatrics, Alberta Children’s Hospital, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Anna Funk
- Department of Pediatrics, Alberta Children’s Hospital, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Nidhi Lodha
- Section of Pediatric Emergency Medicine, Department of Pediatrics, Alberta Children’s Hospital, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Diane L. Lorenzetti
- Department of Community Health Sciences and the Health Sciences Library, University of Calgary, Calgary, Alberta, Canada
| | - Stephen B. Freedman
- Sections of Pediatric Emergency Medicine and Gastroenterology, Department of Pediatrics, Alberta Children’s Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
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Ee C, Levett K, Smith C, Armour M, Dahlen HG, Chopra P, Maroun P, Rao VS, Avard N, Grant S, Keedle H, Armour S, Arentz S, Cave AE, Sutcliffe K, Templeman K. Complementary medicines and therapies in clinical guidelines on pregnancy care: A systematic review. Women Birth 2021; 35:e303-e317. [PMID: 34419374 DOI: 10.1016/j.wombi.2021.08.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 08/05/2021] [Accepted: 08/09/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND There is a need for evidence-based guidance on complementary medicines and therapies (CMT) use during pregnancy due to high prevalence of use and lack of guidance on the balance of benefit and harms. AIM Evaluate the extent to which current clinical practice guidelines relevant to Australian healthcare professionals make clear and unambiguous recommendations about CMT use in pregnancy, and synthesise these recommendations. METHODS The search included EMBASE, PubMed, the National Health and Medical Research Council's Clinical Practice Guidelines Portal, and websites of Australian maternity hospitals and professional/not-for-profit organisations for published guidelines on pregnancy care. Data were synthesised narratively. Guidelines were appraised by two independent reviewers using the Appraisal of Guidelines for Research and Evaluation (AGREE II) instrument. FINDINGS A total of 48 guidelines were found, of which 41% provided recommendations that were not limited to routine vitamin and mineral supplementation. There were wide variations in recommendations, particularly for vitamin D and calcium. There was some consensus on recommending ginger and vitamin B6 for nausea and vomiting, and additional supplementation for women with obesity. Guidelines generally scored poorly in the domains of editorial independence and rigour of development. DISCUSSION There is a lack of guidance with regard to appropriate CMT use during pregnancy, which may result in less-than-optimal care. Inconsistency between guidelines may lead to variations in care. CONCLUSION Guidelines should include clear and unambiguous guidance on appropriate CMT use during pregnancy, be based on a structured search of the evidence and informed by stakeholder engagement.
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Affiliation(s)
- Carolyn Ee
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia.
| | - Kate Levett
- School of Medicine, The University of Notre Dame Australia, Broadway, NSW, Australia.
| | - Caroline Smith
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia.
| | - Mike Armour
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia.
| | - Hannah G Dahlen
- School of Nursing and Midwifery, Western Sydney University, Penrith, NSW, Australia.
| | - Prakshi Chopra
- Obstetrics and Gynaecology Department, Canberra Hospital, Canberra, ACT, Australia.
| | - Paulette Maroun
- Royal Australian and New Zealand College of Obstetricians and Gynaecologists, East Melbourne, VIC, Australia.
| | - Vibhuti S Rao
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia.
| | - Nicole Avard
- Next Practice Health, Erina, Sydney, NSW, Australia.
| | - Suzanne Grant
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia.
| | - Hazel Keedle
- School of Nursing and Midwifery, Western Sydney University, Penrith, NSW, Australia.
| | - Susanne Armour
- Maternity Service, Wollongong Hospital, Wollongong, NSW, Australia.
| | - Susan Arentz
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia.
| | - Adele E Cave
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia.
| | - Kerry Sutcliffe
- School of Medicine, The University of Notre Dame Australia, Broadway, NSW, Australia.
| | - Kate Templeman
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia.
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Elias AE, McBain AJ, O'Neill CA. The role of the skin microbiota in the modulation of cutaneous inflammation-Lessons from the gut. Exp Dermatol 2021; 30:1509-1516. [PMID: 34173265 DOI: 10.1111/exd.14420] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 06/02/2021] [Accepted: 06/17/2021] [Indexed: 12/16/2022]
Abstract
Inflammation is a vital defense mechanism used to protect the body from invading pathogens, but dysregulation can lead to chronic inflammatory disorders such as psoriasis and atopic dermatitis. Differences in microbiota composition have been observed in patients with inflammatory skin conditions compared with healthy individuals, particularly within lesions. There is also increasing evidence accumulating to support the notion that the microbiome contributes to the onset or modulates the severity of inflammatory diseases. Despite the known protective effects of orally administered lactic acid bacteria against inflammation, few studies have investigated the potential protective effects of topical application of bacteria on skin health and even fewer have looked at the potential anti-inflammatory effects of skin commensals. If lack of diversity and reduction in the abundance of specific commensal strains is observed in inflammatory skin lesions, and it is known that commensal bacteria can produce anti-inflammatory compounds, we suggest that certain members of the skin microbiota have anti-inflammatory properties that can be harnessed for use as topical therapeutics in inflammatory skin disorders.
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Affiliation(s)
- Abigail E Elias
- Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
| | - Andrew J McBain
- Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
| | - Catherine A O'Neill
- Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
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Host-microbiome intestinal interactions during early life: considerations for atopy and asthma development. Curr Opin Allergy Clin Immunol 2021; 20:138-148. [PMID: 32004178 DOI: 10.1097/aci.0000000000000629] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW The body's largest microbial community, the gut microbiome, is in contact with mucosal surfaces populated with epithelial, immune, endocrine and nerve cells, all of which sense and respond to microbial signals. These mutual interactions have led to a functional coevolution between the microbes and human physiology. Examples of coadaptation are anaerobes Bifidobacteria and Bacteroides, which have adjusted their metabolism to dietary components of human milk, and infant immune development, which has evolved to become reliant on the presence of beneficial microbes. Current research suggests that specific composition of the early-life gut microbiome aligns with the maturation of host immunity. Disruptions of natural microbial succession patterns during gut colonization are a consistent feature of immune-mediated diseases, including atopy and asthma. RECENT FINDINGS Here, we catalog recent birth cohorts documenting associations between immune dysregulation and microbial alterations, and summarize the evidence supporting the role of the gut microbiome as an etiological determinant of immune-mediated allergic diseases. SUMMARY Ecological concepts that describe microbial dynamics in the context of the host environment, and a portray of immune and neuroendocrine signaling induced by host-microbiome interactions, have become indispensable in describing the molecular role of early-life microbiome in atopy and asthma susceptibility.
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Gut Microbiota, in the Halfway between Nutrition and Lung Function. Nutrients 2021; 13:nu13051716. [PMID: 34069415 PMCID: PMC8159117 DOI: 10.3390/nu13051716] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/29/2021] [Accepted: 05/14/2021] [Indexed: 12/22/2022] Open
Abstract
The gut microbiota is often mentioned as a “forgotten organ” or “metabolic organ”, given its profound impact on host physiology, metabolism, immune function and nutrition. A healthy diet is undoubtedly a major contributor for promoting a “good” microbial community that turns out to be crucial for a fine-tuned symbiotic relationship with the host. Both microbial-derived components and produced metabolites elicit the activation of downstream cascades capable to modulate both local and systemic immune responses. A balance between host and gut microbiota is crucial to keep a healthy intestinal barrier and an optimal immune homeostasis, thus contributing to prevent disease occurrence. How dietary habits can impact gut microbiota and, ultimately, host immunity in health and disease has been the subject of intense study, especially with regard to metabolic diseases. Only recently, these links have started to be explored in relation to lung diseases. The objective of this review is to address the current knowledge on how diet affects gut microbiota and how it acts on lung function. As the immune system seems to be the key player in the cross-talk between diet, gut microbiota and the lungs, involved immune interactions are discussed. There are key nutrients that, when present in our diet, help in gut homeostasis and lead to a healthier lifestyle, even ameliorating chronic diseases. Thus, with this review we hope to incite the scientific community interest to use diet as a valuable non-pharmacological addition to lung diseases management. First, we talk about the intestinal microbiota and interactions through the intestinal barrier for a better understanding of the following sections, which are the main focus of this article: the way diet impacts the intestinal microbiota and the immune interactions of the gut–lung axis that can explain the impact of diet, a key modifiable factor influencing the gut microbiota in several lung diseases.
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Ye J, Erland LAE, Gill SK, Bishop SL, Verdugo-Meza A, Murch SJ, Gibson DL. Metabolomics-Guided Hypothesis Generation for Mechanisms of Intestinal Protection by Live Biotherapeutic Products. Biomolecules 2021; 11:738. [PMID: 34063522 PMCID: PMC8156236 DOI: 10.3390/biom11050738] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/07/2021] [Accepted: 05/10/2021] [Indexed: 12/12/2022] Open
Abstract
The use of live biotherapeutic products (LBPs), including single strains of beneficial probiotic bacteria or consortiums, is gaining traction as a viable option to treat inflammatory-mediated diseases like inflammatory bowel disease (IBD). However, LBPs' persistence in the intestine is heterogeneous since many beneficial bacteria lack mechanisms to tolerate the inflammation and the oxidative stress associated with IBD. We rationalized that optimizing LBPs with enhanced colonization and persistence in the inflamed intestine would help beneficial bacteria increase their bioavailability and sustain their beneficial responses. Our lab developed two bioengineered LBPs (SBT001/BioPersist and SBT002/BioColoniz) modified to enhance colonization or persistence in the inflamed intestine. In this study, we examined colon-derived metabolites via ultra-high performance liquid chromatography-mass spectrometry in colitic mice treated with either BioPersist or BioColoniz as compared to their unmodified parent strains (Escherichia coli Nissle 1917 [EcN] and Lactobacillus reuteri, respectively) or to each other. BioPersist administration resulted in lowered concentrations of inflammatory prostaglandins, decreased stress hormones such as adrenaline and corticosterone, increased serotonin, and decreased bile acid in comparison to EcN. In comparison to BioColoniz, BioPersist increased serotonin and antioxidant production, limited bile acid accumulation, and enhanced tissue restoration via activated purine and pyrimidine metabolism. These data generated several novel hypotheses for the beneficial roles that LBPs may play during colitis.
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Affiliation(s)
- Jiayu Ye
- Department of Biology, University of British Columbia, Syilx Okanagan Nation Territory, Kelowna, BC V1V1V7, Canada
| | - Lauren A E Erland
- Department of Chemistry, University of British Columbia, Syilx Okanagan Nation Territory, Kelowna, BC V1V1V7, Canada
| | - Sandeep K Gill
- Department of Biology, University of British Columbia, Syilx Okanagan Nation Territory, Kelowna, BC V1V1V7, Canada
| | - Stephanie L Bishop
- Department of Chemistry, University of British Columbia, Syilx Okanagan Nation Territory, Kelowna, BC V1V1V7, Canada
| | - Andrea Verdugo-Meza
- Department of Biology, University of British Columbia, Syilx Okanagan Nation Territory, Kelowna, BC V1V1V7, Canada
| | - Susan J Murch
- Department of Chemistry, University of British Columbia, Syilx Okanagan Nation Territory, Kelowna, BC V1V1V7, Canada
| | - Deanna L Gibson
- Department of Biology, University of British Columbia, Syilx Okanagan Nation Territory, Kelowna, BC V1V1V7, Canada
- Department of Medicine, University of British Columbia, Syilx Okanagan Nation Territory, Kelowna, BC V1V1V7, Canada
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Lai TJ, Wang YH, Chong E, Lin YM, Huang CC, Feng KJ, Teng SW. The impact of prenatal use of oral Clostridium butyricum on maternal group B Streptococcus colonization: A retrospective study. Taiwan J Obstet Gynecol 2021; 60:442-448. [PMID: 33966725 DOI: 10.1016/j.tjog.2021.03.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/02/2020] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE The aim of this study is to examine the effect of taking Clostridium butyricum (Miyarisan BM) orally for 4 weeks since the 32+0 weeks of gestation on preventing Group B Streptococcus colonization. MATERIALS AND METHODS We retrospectively collected data on the pregnancy outcomes of 1602 women between October 2017 and August 2019. The control group received standard antenatal care, and the intervention group received standard antenatal care with a daily oral dose of probiotics since the 32+0 weeks of gestation. The daily dose was one pack of C. butyricum (Miyarisan BM) once or twice a day. A vaginal Group B Streptococcus swab was collected between 36+0 and 36+6 weeks of gestation. RESULTS After applying the designated exclusion criteria, the total number of participants was 1576. The Group B Streptococcus colonization rate was significantly decreased in the intervention group (P = 0.0338; adjusted OR: 0.66 (0.45-0.97)). CONCLUSION Probiotics can reduce the colonization rate of Group B Streptococcus in the vagina and rectum under three conditions: (1) intervention of adequate length, (2) sufficient probiotic dose, and (3) effective probiotics.
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Affiliation(s)
- Ting-Jung Lai
- Department of Obstetrics and Gynecology, Cardinal Tien Hospital, Xindian, New Taipei City, Taiwan
| | - Ya-Hui Wang
- Medical Research Center, Cardinal Tien Hospital, Xindian, New Taipei City, Taiwan
| | - Eva Chong
- Department of Obstetrics and Gynecology, Cardinal Tien Hospital, Xindian, New Taipei City, Taiwan
| | - Ying-Mei Lin
- Department of Obstetrics and Gynecology, Cardinal Tien Hospital, Xindian, New Taipei City, Taiwan
| | - Chao-Chi Huang
- Department of Obstetrics and Gynecology, Cardinal Tien Hospital, Xindian, New Taipei City, Taiwan
| | - Kuan-Jen Feng
- Department of Obstetrics and Gynecology, Cardinal Tien Hospital, Xindian, New Taipei City, Taiwan
| | - Sen-Wen Teng
- Department of Obstetrics and Gynecology, Cardinal Tien Hospital, Xindian, New Taipei City, Taiwan; School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan.
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Bourdillon AT, Edwards HA. Review of probiotic use in otolaryngology. Am J Otolaryngol 2021; 42:102883. [PMID: 33453564 DOI: 10.1016/j.amjoto.2020.102883] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 12/25/2020] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Probiotics have garnered considerable attention as an intervention for various conditions common to otolaryngology. The purpose of this review is to evaluate the current literature to offer recommendations about the safety and efficacy of probiotic management in otolaryngologic conditions. STUDY DESIGN Narrative review. METHODS PubMed and Google Scholar were queried using pertinent keywords to retrieve relevant studies with particular focus in the recent 5 years. All abstracts were assessed and studies, reviews and meta-analyses achieving evaluation of probiotic therapies or characterization of microbiome changes were included for further review. Studies were categorized by condition or anatomic region across various subspecialties. Key data parameters were extracted and evaluated across studies and treatment types. RESULTS Strong evidence exists for the use probiotic agents to improve symptoms for allergic rhinitis, chronic rhinosinusitis and certain dental conditions. Despite promising results, further investigation is needed to evaluate and optimize probiotic delivery for mitigating otitis media, oropharyngeal inflammation and upper respiratory tract infections. Preclinical studies suggest that probiotics may potentially offer benefit for voice prosthesis maintenance, wound healing and mitigation of oral dysplasia. CONCLUSION Probiotic therapies may offer clinical benefit in a variety of contexts within the field of otolaryngology, especially for short-term relief of certain inflammatory conditions of the oral cavity, auditory and nasal cavities. Further investigation is warranted for evaluation of long-term outcomes and pathogenic deterrence.
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Affiliation(s)
- Alexandra T Bourdillon
- Division of Otolaryngology, Department of Surgery, Yale University School of Medicine, New Haven, CT, United States of America.
| | - Heather A Edwards
- Department of Otolaryngology, Boston University School of Medicine, Boston, MA, United States of America.
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Cooke CG, Gibb Z, Harnett JE. The Safety, Tolerability and Efficacy of Probiotic Bacteria for Equine Use. J Equine Vet Sci 2021; 99:103407. [PMID: 33781424 DOI: 10.1016/j.jevs.2021.103407] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 10/17/2020] [Accepted: 02/03/2021] [Indexed: 12/14/2022]
Abstract
Probiotic bacteria are used widely as nutritional supplements and treatment interventions in the management of livestock and companion animals. The aim of this review is to summarize the current evidence reporting on the safety, tolerability and efficacy of probiotic bacteria use in horses. An online search of five databases for studies reporting on the use of probiotic bacteria use in horses which were either healthy or had a gastrointestinal or extraintestinal disease was conducted. A total of 18 articles were eligible for full review. No clear benefits were identified to support supplementation of equids with probiotic bacteria to improve starch and fiber digestion, nor for the treatment of colic or prevention of salmonellosis. Conflicting results were seen with the management of scouring in neonatal foals. Exacerbation of diarrhea and additional adverse events were reported in response to the administration of high doses of novel probiotic bacterial species. Probiotic bacteria given to exercising horses, improved aerobic fitness and stamina. The majority of probiotic bacterial species used in equine studies are bacterial species commonly used for human consumption and indigenous to the human gastrointestinal microbiota. There is a paucity of evidence to support the use of probiotic bacteria in the health maintenance and disease management of horses. While there are unclear and conflicting results associated with probiotic bacteria use for gastrointestinal conditions in both horses and foals, the administration of multistrain bacterial formulations to increase stamina in exercising horses shows promise.
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Affiliation(s)
- C Giselle Cooke
- The University of Sydney, Faculty of Medicine and Health, School of Pharmacy, Sydney, NSW, Australia.
| | - Zamira Gibb
- Priority Research Centre in Reproductive Science, School of Environmental and Life Sciences, Faculty of Science, The University of Newcastle, Callaghan, NSW, Australia
| | - Joanna E Harnett
- The University of Sydney, Faculty of Medicine and Health, School of Pharmacy, Sydney, NSW, Australia
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Elmassry MM, Zayed A, Farag MA. Gut homeostasis and microbiota under attack: impact of the different types of food contaminants on gut health. Crit Rev Food Sci Nutr 2020; 62:738-763. [DOI: 10.1080/10408398.2020.1828263] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Moamen M. Elmassry
- Department of Biological Sciences, Texas Tech University, Lubbock, Texas, USA
| | - Ahmed Zayed
- Department of Pharmacognosy, College of Pharmacy, Tanta University, Tanta, Egypt
- Institute of Bioprocess Engineering, Technical University of Kaiserslautern, Kaiserslautern, Germany
| | - Mohamed A. Farag
- Department of Pharmacognosy, College of Pharmacy, Cairo University, Cairo, Egypt
- Department of Chemistry, School of Sciences & Engineering, The American University in Cairo, New Cairo, Egypt
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Güney D, Güngörmüşler M. Development and Comparative Evaluation of a Novel Fermented Juice Mixture with Probiotic Strains of Lactic Acid Bacteria and Bifidobacteria. Probiotics Antimicrob Proteins 2020; 13:495-505. [PMID: 32978757 DOI: 10.1007/s12602-020-09710-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/20/2020] [Indexed: 01/04/2023]
Abstract
As being a rapidly developing area, the production of nondairy-based functional beverages continues to accelerate considerably. In the present study, the probiotification of a mixture of the juices of Jerusalem artichoke, pineapple, pumpkin, spinach, and cucumber has been utilized for the development of probiotic fruit-vegetable juice. Lactic acid fermentation was comparatively performed by Lactobacillus acidophilus DSM13241, Lacticaseibacillus paracasei subsp. paracasei ATCC 55544, Lacticaseibacillus rhamnosus ATCC53103, Lactiplantibacillus plantarum DSMZ 20174, and Bifidobacterium animalis subsp. lactis BB-12 at 37 °C for 24 h. Following, the fermented products were kept at 8 °C for 45 days, and viability of the strains were tested during the storage period, which refers 15th, 30th, and 45th days. During fermentation, the number of viable probiotic cells increased up to 9.42 log CFU/mL. Consequently, at the end of storage, all strains exhibited an acceptable amount of viability along with L. rhamnosus ATCC 53103 with the highest value reaching 9.30 log CFU/mL. The beverage was successfully scaled up in a bioreactor followed by a sensory evaluation. Statistical analysis revealed that there is a significant difference (p < 0.05) on how much the product was enjoyed between all tested samples with an average score of 3.8 out of 7.0. Thus, flavor and consumer acceptability of the beverage was improved with the addition of 30% of apple juice. The results affirm that the proposed novel fermented mixture of Jerusalem artichoke, pineapple, pumpkin, spinach, and cucumber stands as a promising functional product to be placed in the beverage market.
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Affiliation(s)
- Damla Güney
- Department of Food Engineering, Izmir University of Economics, Sakarya Caddesi No: 156, 35330, Balçova/Izmir, Turkey
| | - Mine Güngörmüşler
- Department of Food Engineering, Izmir University of Economics, Sakarya Caddesi No: 156, 35330, Balçova/Izmir, Turkey. .,Department of Genetics and Bioengineering, Izmir University of Economics, 35330, Balçova/Izmir, Turkey.
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Al-Qysi L, Mohammad M, Al-iedani A, AbuKhader MM. Investigating the characteristics of probiotics marketed in the Middle East and pharmacists' perception of use in Muscat, Oman. PHARMANUTRITION 2020. [DOI: 10.1016/j.phanu.2020.100202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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A critical review of antibiotic resistance in probiotic bacteria. Food Res Int 2020; 136:109571. [PMID: 32846610 DOI: 10.1016/j.foodres.2020.109571] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 07/16/2020] [Accepted: 07/17/2020] [Indexed: 12/12/2022]
Abstract
Probiotics are defined as live microorganisms that, when administered in adequate amounts, confer a health benefit upon the host. At present, probiotics are gaining popularity worldwide and are widely used in food and medicine. Consumption of probiotics is increasing with further in-depth research on the relationship between intestinal flora and host health. Most people pay more attention to the function of probiotics but ignore their potential risks, such as infection and antibiotic resistance transfer to pathogenic microbes. Physiological functions, effects and mechanisms of action of probiotics were covered in this review, as well as the antibiotic resistance phenotypes, mechanisms and genes found in probiotics. Typical cases of antibiotic resistance of probiotics were also highlighted, as well as the potential risks (including pathogenicity, infectivity and excessive immune response) and corresponding strategies (dosage, formulation, and administration route). This timely study provides an avenue for further research, development and application of probiotics.
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Žuntar I, Petric Z, Bursać Kovačević D, Putnik P. Safety of Probiotics: Functional Fruit Beverages and Nutraceuticals. Foods 2020; 9:E947. [PMID: 32708933 PMCID: PMC7404568 DOI: 10.3390/foods9070947] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/05/2020] [Accepted: 07/13/2020] [Indexed: 02/07/2023] Open
Abstract
Over the last decade, fruit juice consumption has increased. Their rise in popularity can be attributed to the belief that they are a quick way to consuming a dietary portion of fruit. Probiotics added to fruit juices produce various bioactive compounds, thus probiotic fruit juices can be considered as a new type of functional foods. Such combinations could improve nutritional properties and provide health benefits of fruit juices, due to delivering positive health attributes from both sources (fruit juices and probiotics). However, this review discusses the other side of the same coin, i.e., the one that challenges general beliefs that probiotics are undoubtedly safe. This topic deserves more acknowledgments from the medical and nutritional literature, as it is highly important for health care professionals and nutritionists who must be aware of potential probiotic issues. Still, clinical trials have not adequately questioned the safety of probiotics, as they are generally considered safe. Therefore, this reviews aims to give an evidence-based perspective of probiotic safety, focusing on probiotic fruit beverages and nutraceuticals, by providing documented clinical case reports and studies. Finally, the paper deals with some additional insights from the pharmacological and toxicological point of views, such as pharmacological repercussions of probiotics on health.
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Affiliation(s)
- Irena Žuntar
- Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, 10000 Zagreb, Croatia;
| | - Zvonimir Petric
- Unit of Pharmacokinetics and Drug Metabolism, Department of Pharmacology at the Institute of Neuroscience and Physiology Sahlgrenska Academy at the University of Gothenburg, 40530 Göteborg, Sweden;
| | - Danijela Bursać Kovačević
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia;
| | - Predrag Putnik
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia;
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Giuffrè M, Campigotto M, Campisciano G, Comar M, Crocè LS. A story of liver and gut microbes: how does the intestinal flora affect liver disease? A review of the literature. Am J Physiol Gastrointest Liver Physiol 2020; 318:G889-G906. [PMID: 32146836 DOI: 10.1152/ajpgi.00161.2019] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Each individual is endowed with a unique gut microbiota (GM) footprint that mediates numerous host-related physiological functions, such as nutrient metabolism, maintenance of the structural integrity of the gut mucosal barrier, immunomodulation, and protection against microbial pathogens. Because of increased scientific interest in the GM, its central role in the pathophysiology of many intestinal and extraintestinal conditions has been recognized. Given the close relationship between the gastrointestinal tract and the liver, many pathological processes have been investigated in the light of a microbial-centered hypothesis of hepatic damage. In this review we introduce to neophytes the vast world of gut microbes, including prevalent bacterial distribution in healthy individuals, how the microbiota is commonly analyzed, and the current knowledge of the role of GM in liver disease pathophysiology. Also, we highlight the potentials and downsides of GM-based therapy.
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Affiliation(s)
- Mauro Giuffrè
- Dipartimento Universitario Clinico di Scienze Mediche Chirurgiche e della Salute, Università degli Studi di Trieste, Italy
| | - Michele Campigotto
- Dipartimento Universitario Clinico di Scienze Mediche Chirurgiche e della Salute, Università degli Studi di Trieste, Italy
| | - Giuseppina Campisciano
- Istituto di Ricovero e Cura a Carattere Scientifico Materno Infantile Burlo Garofolo, Trieste, Italy
| | - Manola Comar
- Dipartimento Universitario Clinico di Scienze Mediche Chirurgiche e della Salute, Università degli Studi di Trieste, Italy.,Istituto di Ricovero e Cura a Carattere Scientifico Materno Infantile Burlo Garofolo, Trieste, Italy
| | - Lory Saveria Crocè
- Dipartimento Universitario Clinico di Scienze Mediche Chirurgiche e della Salute, Università degli Studi di Trieste, Italy.,Clinica Patologie del Fegato, Azienda Sanitaria Universitaria Integrata di Trieste, Italy.,Fondazione Italiana Fegato, Trieste, Italy
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Zhang C, Zhang Y, Li H, Liu X. The potential of proteins, hydrolysates and peptides as growth factors forLactobacillusandBifidobacterium: current research and future perspectives. Food Funct 2020; 11:1946-1957. [DOI: 10.1039/c9fo02961c] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Probiotics are live microorganisms that provide health benefits to the host when consumed in adequate concentrations.
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Affiliation(s)
- Chi Zhang
- Beijing Technology and Business University
- China
| | | | - He Li
- Beijing Technology and Business University
- China
| | - Xinqi Liu
- Beijing Technology and Business University
- China
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40
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Heaney LM, Martin J. Future Science OA 2019 early career researcher issue: foreword. Future Sci OA 2019; 5:FSO393. [PMID: 31114713 PMCID: PMC6511919 DOI: 10.4155/fsoa-2019-0039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 03/25/2019] [Indexed: 11/17/2022] Open
Affiliation(s)
- Liam Michael Heaney
- School of Sport, Exercise & Health Sciences, Loughborough University, Loughborough, LE11 3TU, UK
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