1
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Kalyanaraman B, Cheng G, Hardy M. The role of short-chain fatty acids in cancer prevention and cancer treatment. Arch Biochem Biophys 2024; 761:110172. [PMID: 39369836 DOI: 10.1016/j.abb.2024.110172] [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: 08/15/2024] [Revised: 09/25/2024] [Accepted: 10/03/2024] [Indexed: 10/08/2024]
Abstract
Short-chain fatty acids (SCFAs) are microbial metabolites in the gut that may play a role in cancer prevention and treatment. They affect the metabolism of both normal and cancer cells, regulating various cellular energetic processes. SCFAs also inhibit histone deacetylases, which are targets for cancer therapy. The three main SCFAs are acetate, propionate, and butyrate, which are transported into cells through specific transporters. SCFAs may enhance the efficacy of chemotherapeutic agents and modulate immune cell metabolism, potentially reprogramming the tumor microenvironment. Although SCFAs and SCFA-generating microbes enhance therapeutic efficacy of several forms of cancer therapy, published data also support the opposing viewpoint that SCFAs mitigate the efficacy of some cancer therapies. Therefore, the relationship between SCFAs and cancer is more complex, and this review discusses some of these aspects. Clearly, further research is needed to understand the role of SCFAs, their mechanisms and applications in cancer prevention and treatment.
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Affiliation(s)
- Balaraman Kalyanaraman
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States.
| | - Gang Cheng
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
| | - Micael Hardy
- Aix-Marseille Univ, CNRS, ICR, UMR 7273, Marseille 13013, France
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2
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Kaberi-Otarod J, Still CD, Wood GC, Benotti PN. Iron Treatment in Patients with Iron Deficiency Before and After Metabolic and Bariatric Surgery: A Narrative Review. Nutrients 2024; 16:3350. [PMID: 39408317 PMCID: PMC11478352 DOI: 10.3390/nu16193350] [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: 09/04/2024] [Revised: 09/27/2024] [Accepted: 09/30/2024] [Indexed: 10/20/2024] Open
Abstract
Iron is an essential nutrient in living organisms with multiple vital functions. Iron deficiency (ID) can cause long term health consequences beyond iron deficiency anemia (IDA). The high prevalence of ID and its long-term effects in patients with obesity and after metabolic and bariatric surgery (MBS) is recognized. Nevertheless, there is limited knowledge of the optimal route or dose for treatment of patients with obesity and post-MBS, and an evidence-based universal guideline for prevention and treatment of ID in short- and long-term post-MBS (PMBS) is not yet available. ID in the general population is currently treated with oral or parenteral iron, where oral iron treatment is considered the preferred option with parenteral iron as a second-line treatment in case there is intolerance or lack of response to oral iron. In patients with obesity with chronic low-grade inflammation and PMBS patients with altered gut anatomy and function, there are also alterations in the bioavailability and higher risks of side effects of available oral irons. The conclusions of current studies exploring effective treatment of iron deficiency in this population have been inconsistent and further well-planned randomized and prospective studies are needed. This is a narrative review of the literature on the available treatment options and strategies for treatment of ID in PMBS patients to recognize the knowledge gaps and provides topics of future research.
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Affiliation(s)
- Jila Kaberi-Otarod
- Department of Nutrition and Weight Management, Geisinger Health System Northeast, Scranton, PA 18503, USA
| | - Christopher D. Still
- The Center for Obesity and Metabolic Research, Geisinger Obesity Institute, Danville, PA 17821, USA; (C.D.S.); (G.C.W.); (P.N.B.)
| | - G. Craig Wood
- The Center for Obesity and Metabolic Research, Geisinger Obesity Institute, Danville, PA 17821, USA; (C.D.S.); (G.C.W.); (P.N.B.)
| | - Peter N. Benotti
- The Center for Obesity and Metabolic Research, Geisinger Obesity Institute, Danville, PA 17821, USA; (C.D.S.); (G.C.W.); (P.N.B.)
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3
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Liu S, Yin J, Wan D, Yin Y. The Role of Iron in Intestinal Mucus: Perspectives from Both the Host and Gut Microbiota. Adv Nutr 2024:100307. [PMID: 39341502 DOI: 10.1016/j.advnut.2024.100307] [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: 06/02/2024] [Revised: 09/10/2024] [Accepted: 09/22/2024] [Indexed: 10/01/2024] Open
Abstract
Although research on the role of iron in host immunity has a history spanning decades, it is only relatively recently that attention has been directed toward the biological effects of iron on the intestinal mucus layer, prompted by an evolving understanding of the role of this material in immune defense. The mucus layer, secreted by intestinal goblet cells, covers the intestinal epithelium, and given its unique location, interactions between the host and gut microbiota, as well as among constituent microbiota, occur frequently within the mucus layer. Iron, as an essential nutrient for the vast majority of life forms, regulates immune responses from both the host and microbial perspectives. In this review, we summarize the iron metabolism of both the host and gut microbiota and describe how iron contributes to intestinal mucosal homeostasis via the intestinal mucus layer with respect to both host and constituent gut microbiota. The findings described herein offer a new perspective on iron-mediated intestinal mucosal barrier function.
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Affiliation(s)
- Shuan Liu
- Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China; College of Animal Science and Technology, Hunan Agriculture University, Changsha, China
| | - Jie Yin
- College of Animal Science and Technology, Hunan Agriculture University, Changsha, China
| | - Dan Wan
- Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China.
| | - Yulong Yin
- Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China; University of Chinese Academy of Sciences, Beijing, China.
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4
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Schalk IJ. Bacterial siderophores: diversity, uptake pathways and applications. Nat Rev Microbiol 2024:10.1038/s41579-024-01090-6. [PMID: 39251840 DOI: 10.1038/s41579-024-01090-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/19/2024] [Indexed: 09/11/2024]
Abstract
Iron is an essential nutrient for the growth, survival and virulence of almost all bacteria. To access iron, many bacteria produce siderophores, molecules with a high affinity for iron. Research has highlighted substantial diversity in the chemical structure of siderophores produced by bacteria, as well as remarkable variety in the molecular mechanisms involved in strategies for acquiring iron through these molecules. The metal-chelating properties of siderophores, characterized by their high affinity for iron and ability to chelate numerous other metals (albeit with lower affinity compared with iron), have also generated interest in diverse fields. Siderophores find applications in the environment, such as in bioremediation and agriculture, in which emerging and innovative strategies are being developed to address pollution and enhance nutrient availability for plants. Moreover, in medicine, siderophores could be used as a tool for novel antimicrobial therapies and medical imaging, as well as in haemochromatosis, thalassemia or cancer treatments. This Review offers insights into the diversity of siderophores, highlighting their potential applications in environmental and medical contexts.
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5
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Archana, Gupta AK, Noumani A, Panday DK, Zaidi F, Sahu GK, Joshi G, Yadav M, Borah SJ, Susmitha V, Mohan A, Kumar A, Solanki PR. Gut microbiota derived short-chain fatty acids in physiology and pathology: An update. Cell Biochem Funct 2024; 42:e4108. [PMID: 39228159 DOI: 10.1002/cbf.4108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 07/28/2024] [Accepted: 08/09/2024] [Indexed: 09/05/2024]
Abstract
Short-chain fatty acids (SCFAs) are essential molecules produced by gut bacteria that fuel intestinal cells and may also influence overall health. An imbalance of SCFAs can result in various acute and chronic diseases, including diabetes, obesity and colorectal cancer (CRC). This review delves into the multifaceted roles of SCFAs, including a brief discussion on their source and various gut-residing bacteria. Primary techniques used for detection of SCFAs, including gas chromatography, high-performance gas chromatography, nuclear magnetic resonance and capillary electrophoresis are also discussed through this article. This review study also compiles various synthesis pathways of SCFAs from diverse substrates such as sugar, acetone, ethanol and amino acids. The different pathways through which SCFAs enter cells for immune response regulation are also highlighted. A major emphasis is the discussion on diseases associated with SCFA dysregulation, such as anaemia, brain development, CRC, depression, obesity and diabetes. This includes exploring the relationship between SCFA levels across ethnicities and their connection with blood pressure and CRC. In conclusion, this review highlights the critical role of SCFAs in maintaining gut health and their implications in various diseases, emphasizing the need for further research on SCFA detection, synthesis and their potential as diagnostic biomarkers. Future studies of SCFAs will pave the way for the development of novel diagnostic tools and therapeutic strategies for optimizing gut health and preventing diseases associated with SCFA dysregulation.
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Affiliation(s)
- Archana
- Nano-Bio Laboratory, Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, India
| | - Abhijeet Kumar Gupta
- Nano-Bio Laboratory, Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, India
| | - Ashab Noumani
- Nano-Bio Laboratory, Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, India
| | - Dharmendra Kumar Panday
- Nano-Bio Laboratory, Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, India
| | - Fareen Zaidi
- Nano-Bio Laboratory, Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, India
| | - Gaurav Kumar Sahu
- Nano-Bio Laboratory, Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, India
| | - Gunjan Joshi
- Nano-Bio Laboratory, Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, India
| | - Manisha Yadav
- Nano-Bio Laboratory, Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, India
| | - Shikha Jyoti Borah
- Nano-Bio Laboratory, Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, India
| | - Vanne Susmitha
- Nano-Bio Laboratory, Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, India
| | - Anand Mohan
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, India
| | - Anil Kumar
- National Institute of Immunology, New Delhi, India
| | - Pratima R Solanki
- Nano-Bio Laboratory, Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, India
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Kostenko A, Zuffa S, Zhi H, Mildau K, Raffatellu M, Dorrestein PC, Aron AT. Dietary iron intake has long-term effects on the fecal metabolome and microbiome. Metallomics 2024; 16:mfae033. [PMID: 38992131 PMCID: PMC11272056 DOI: 10.1093/mtomcs/mfae033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Accepted: 07/10/2024] [Indexed: 07/13/2024]
Abstract
Iron is essential for life, but its imbalances can lead to severe health implications. Iron deficiency is the most common nutrient disorder worldwide, and iron dysregulation in early life has been found to cause long-lasting behavioral, cognitive, and neural effects. However, little is known about the effects of dietary iron on gut microbiome function and metabolism. In this study, we sought to investigate the impact of dietary iron on the fecal metabolome and microbiome by using mice fed with three diets with different iron content: an iron deficient, an iron sufficient (standard), and an iron overload diet for 7 weeks. Additionally, we sought to understand whether any observed changes would persist past the 7-week period of diet intervention. To assess this, all feeding groups were switched to a standard diet, and this feeding continued for an additional 7 weeks. Analysis of the fecal metabolome revealed that iron overload and deficiency significantly alter levels of peptides, nucleic acids, and lipids, including di- and tri-peptides containing branched-chain amino acids, inosine and guanosine, and several microbial conjugated bile acids. The observed changes in the fecal metabolome persist long after the switch back to a standard diet, with the cecal gut microbiota composition and function of each group distinct after the 7-week standard diet wash-out. Our results highlight the enduring metabolic consequences of nutritional imbalances, mediated by both the host and gut microbiome, which persist after returning to the original standard diets.
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Affiliation(s)
- Anastasiia Kostenko
- Department of Chemistry and Biochemistry, University of Denver, Denver, CO, USA
| | - Simone Zuffa
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, San Diego, CA, USA
- Collaborative Mass Spectrometry Innovation Center, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
| | - Hui Zhi
- Department of Pediatrics, University of California San Diego, La Jolla, CA, USA
| | - Kevin Mildau
- Department of Analytical Chemistry, University of Vienna, Vienna, Austria
- Bioinformatics Group, Wageningen University & Research, Wageningen, The Netherlands
| | - Manuela Raffatellu
- Department of Pediatrics, University of California San Diego, La Jolla, CA, USA
- Chiba University, UC San Diego Center for Mucosal Immunology, Allergy, and Vaccines (CU-UCSD cMAV), La Jolla, CA, USA
| | - Pieter C Dorrestein
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, San Diego, CA, USA
- Collaborative Mass Spectrometry Innovation Center, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
| | - Allegra T Aron
- Department of Chemistry and Biochemistry, University of Denver, Denver, CO, USA
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, San Diego, CA, USA
- Collaborative Mass Spectrometry Innovation Center, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
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7
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Childers L, Park E, Wang S, Liu R, Barry R, Watts SA, Rawls JF, Bagnat M. Protein absorption in the zebrafish gut is regulated by interactions between lysosome rich enterocytes and the microbiome. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.07.597998. [PMID: 38895310 PMCID: PMC11185774 DOI: 10.1101/2024.06.07.597998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Dietary protein absorption in neonatal mammals and fishes relies on the function of a specialized and conserved population of highly absorptive lysosome rich enterocytes (LREs). The gut microbiome has been shown to enhance absorption of nutrients, such as lipids, by intestinal epithelial cells. However, whether protein absorption is also affected by the gut microbiome is poorly understood. Here, we investigate connections between protein absorption and microbes in the zebrafish gut. Using live microscopy-based quantitative assays, we find that microbes slow the pace of protein uptake and degradation in LREs. While microbes do not affect the number of absorbing LRE cells, microbes lower the expression of endocytic and protein digestion machinery in LREs. Using transgene assisted cell isolation and single cell RNA-sequencing, we characterize all intestinal cells that take up dietary protein. We find that microbes affect expression of bacteria-sensing and metabolic pathways in LREs, and that some secretory cell types also take up protein and share components of protein uptake and digestion machinery with LREs. Using custom-formulated diets, we investigated the influence of diet and LRE activity on the gut microbiome. Impaired protein uptake activity in LREs, along with a protein-deficient diet, alters the microbial community and leads to increased abundance of bacterial genera that have the capacity to reduce protein uptake in LREs. Together, these results reveal that diet-dependent reciprocal interactions between LREs and the gut microbiome regulate protein absorption.
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Affiliation(s)
- Laura Childers
- Department of Cell Biology, Duke University, Durham, NC 27710, USA
| | - Esther Park
- Neuroscience Center, University of North Carolina, Chapel Hill, NC 27599, USA
- Carolina Institute of Developmental Disabilities, Chapel Hill, NC 27510, USA
| | - Siyao Wang
- Department of Cell Biology, Duke University, Durham, NC 27710, USA
| | - Richard Liu
- Department of Cell Biology, Duke University, Durham, NC 27710, USA
| | - Robert Barry
- Department of Biology, University of Alabama at Birmingham, Birmingham, Al, 35294, USA
| | - Stephen A. Watts
- Department of Biology, University of Alabama at Birmingham, Birmingham, Al, 35294, USA
| | - John F. Rawls
- Department of Molecular Genetics and Genomics, Duke University, Durham, NC 27710, USA
| | - Michel Bagnat
- Department of Cell Biology, Duke University, Durham, NC 27710, USA
- Lead Contact
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8
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Mao ZH, Gao ZX, Pan SK, Liu DW, Liu ZS, Wu P. Ferroptosis: a potential bridge linking gut microbiota and chronic kidney disease. Cell Death Discov 2024; 10:234. [PMID: 38750055 PMCID: PMC11096411 DOI: 10.1038/s41420-024-02000-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 04/30/2024] [Accepted: 05/01/2024] [Indexed: 05/18/2024] Open
Abstract
Ferroptosis is a novel form of lipid peroxidation-driven, iron-dependent programmed cell death. Various metabolic pathways, including those involved in lipid and iron metabolism, contribute to ferroptosis regulation. The gut microbiota not only supplies nutrients and energy to the host, but also plays a crucial role in immune modulation and metabolic balance. In this review, we explore the metabolic pathways associated with ferroptosis and the impact of the gut microbiota on host metabolism. We subsequently summarize recent studies on the influence and regulation of ferroptosis by the gut microbiota and discuss potential mechanisms through which the gut microbiota affects ferroptosis. Additionally, we conduct a bibliometric analysis of the relationship between the gut microbiota and ferroptosis in the context of chronic kidney disease. This analysis can provide new insights into the current research status and future of ferroptosis and the gut microbiota.
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Affiliation(s)
- Zi-Hui Mao
- Traditional Chinese Medicine Integrated Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, PR China
- Institute of Nephrology, Zhengzhou University, Zhengzhou, PR China
- Henan Province Research Center for Kidney Disease, Zhengzhou, PR China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, PR China
| | - Zhong-Xiuzi Gao
- Traditional Chinese Medicine Integrated Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, PR China
- Institute of Nephrology, Zhengzhou University, Zhengzhou, PR China
- Henan Province Research Center for Kidney Disease, Zhengzhou, PR China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, PR China
| | - Shao-Kang Pan
- Traditional Chinese Medicine Integrated Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, PR China
- Institute of Nephrology, Zhengzhou University, Zhengzhou, PR China
- Henan Province Research Center for Kidney Disease, Zhengzhou, PR China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, PR China
| | - Dong-Wei Liu
- Traditional Chinese Medicine Integrated Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, PR China
- Institute of Nephrology, Zhengzhou University, Zhengzhou, PR China
- Henan Province Research Center for Kidney Disease, Zhengzhou, PR China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, PR China
| | - Zhang-Suo Liu
- Traditional Chinese Medicine Integrated Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, PR China.
- Institute of Nephrology, Zhengzhou University, Zhengzhou, PR China.
- Henan Province Research Center for Kidney Disease, Zhengzhou, PR China.
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, PR China.
| | - Peng Wu
- Traditional Chinese Medicine Integrated Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, PR China.
- Institute of Nephrology, Zhengzhou University, Zhengzhou, PR China.
- Henan Province Research Center for Kidney Disease, Zhengzhou, PR China.
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, PR China.
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Nguélé AT, Carrara C, Mozzicafreddo M, Chen H, Piersanti A, Salum SS, Ali SM, Miceli C. Association between Food or Nutrients and Gut Microbiota in Healthy and Helminth-Infected Women of Reproductive Age from Zanzibar, Tanzania. Nutrients 2024; 16:1266. [PMID: 38732513 PMCID: PMC11085056 DOI: 10.3390/nu16091266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/19/2024] [Accepted: 04/20/2024] [Indexed: 05/13/2024] Open
Abstract
Modulating the gut microbiota is recognised as one strategy for preventing and fighting diseases. While the significant impact of diet on the gut microbiota's composition and function has been extensively researched, there is a notable lack of studies on the interactions between diet, microbiota, and helminth infections. Here, we used a combination of self-reported food intake and a 16S rDNA sequencing approach to analyse the composition of the gut microbiota in women of reproductive age from the two main islands of the Zanzibar archipelago, where helminth infections are endemic. We also applied a Spearman correlation analysis to food/nutrients and gut microbiota. Our results reveal that, despite close ethnic and cultural ties, the participants' gut microbiota differs depending on their location. A nutrient intake analysis revealed deficiencies in minerals and vitamins, indicating an imbalanced diet. A correlation analysis identified bacterial taxa consistently correlated with specific food or nutrients in healthy women from both locations, and in two types of helminth infections. Escherichia/Shigella abundances, usually associated with Trichuris trichiura infection, consistently correlated with insufficient levels of vitamins B2 and B12. In conclusion, our findings suggest that the increased consumption of specific food like cassava and fish, as well as essential nutrients such as calcium, B vitamins, and vitamin A, may modulate the gut microbiota of populations residing in regions where helminth infections are endemic.
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Affiliation(s)
- Aristide Toussaint Nguélé
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino, Italy; (A.T.N.); (C.C.); (H.C.); (A.P.)
| | - Chiara Carrara
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino, Italy; (A.T.N.); (C.C.); (H.C.); (A.P.)
| | - Matteo Mozzicafreddo
- Department of Clinical and Molecular Sciences, Marche Polytechnic University, 60126 Ancona, Italy;
| | - Hongliang Chen
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino, Italy; (A.T.N.); (C.C.); (H.C.); (A.P.)
- College of Veterinary Medicine, Jilin Provincial Engineering Research Center of Animal Probiotics, Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Angela Piersanti
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino, Italy; (A.T.N.); (C.C.); (H.C.); (A.P.)
| | - Salum Seif Salum
- School of Health and Medical Sciences, State University of Zanzibar, Zanzibar 146, Tanzania;
| | - Said M. Ali
- Public Health Laboratory Ivo de Carneri, Chake Chake 122, Tanzania;
| | - Cristina Miceli
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino, Italy; (A.T.N.); (C.C.); (H.C.); (A.P.)
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10
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Iddrisu I, Monteagudo-Mera A, Poveda C, Shahzad M, Walton GE, Andrews SC. A review of the effect of iron supplementation on the gut microbiota of children in developing countries and the impact of prebiotics. Nutr Res Rev 2024:1-9. [PMID: 38586996 DOI: 10.1017/s0954422424000118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Iron is essential for many physiological functions of the body, and it is required for normal growth and development. Iron deficiency (ID) is the most common form of micronutrient malnutrition and is particularly prevalent in infants and young children in developing countries. Iron supplementation is considered the most effective strategy to combat the risk of ID and ID anaemia (IDA) in infants, although iron supplements cause a range of deleterious gut-related problems in malnourished children. The purpose of this review is to assess the available evidence on the effect of iron supplementation on the gut microbiota during childhood ID and to further assess whether prebiotics offer any benefits for iron supplementation. Prebiotics are well known to improve gut-microbial health in children, and recent reports indicate that prebiotics can mitigate the adverse gut-related effects of iron supplementation in children with ID and IDA. Thus, provision of prebiotics alongside iron supplements has the potential for an enhanced strategy for combatting ID and IDA among children in the developing world. However, further understanding is required before the benefit of such combined treatments of ID in nutritionally deprived children across populations can be fully confirmed. Such enhanced understanding is of high relevance in resource-poor countries where ID, poor sanitation and hygiene, alongside inadequate access to good drinking water and poor health systems, are serious public health concerns.
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Affiliation(s)
- Ishawu Iddrisu
- Rose Ward, Prospect Park Hospital, Berkshire Healthcare NHS Foundation Trust, Reading, RG30 4EJ, UK
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading, RG6 6AP, UK
- School of Biological Sciences, University of Reading, Whiteknights, Reading, RG6 6EX, UK
| | - Andrea Monteagudo-Mera
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading, RG6 6AP, UK
| | - Carlos Poveda
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading, RG6 6AP, UK
| | - Muhammed Shahzad
- Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan
- Faculty of Dentistry, Zarqa University, Zarqa, 13110, Jordan
| | - Gemma E Walton
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading, RG6 6AP, UK
| | - Simon C Andrews
- School of Biological Sciences, University of Reading, Whiteknights, Reading, RG6 6EX, UK
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11
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Apalowo OE, Adegoye GA, Mbogori T, Kandiah J, Obuotor TM. Nutritional Characteristics, Health Impact, and Applications of Kefir. Foods 2024; 13:1026. [PMID: 38611332 PMCID: PMC11011999 DOI: 10.3390/foods13071026] [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: 03/12/2024] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
A global epidemiological shift has been observed in recent decades, characterized by an increase in age-related disorders, notably non-communicable chronic diseases, such as type 2 diabetes mellitus, cardiovascular and neurodegenerative diseases, and cancer. An appreciable causal link between changes in the gut microbiota and the onset of these maladies has been recognized, offering an avenue for effective management. Kefir, a probiotic-enriched fermented food, has gained significance in this setting due to its promising resource for the development of functional or value-added food formulations and its ability to reshape gut microbial composition. This has led to increasing commercial interest worldwide as it presents a natural beverage replete with health-promoting microbes and several bioactive compounds. Given the substantial role of the gut microbiota in human health and the etiology of several diseases, we conducted a comprehensive synthesis covering a total of 33 investigations involving experimental animal models, aimed to elucidate the regulatory influence of bioactive compounds present in kefir on gut microbiota and their potential in promoting optimal health. This review underscores the outstanding nutritional properties of kefir as a central repository of bioactive compounds encompassing micronutrients and amino acids and delineates their regulatory effects at deficient, adequate, and supra-nutritional intakes on the gut microbiota and their broader physiological consequences. Furthermore, an investigation of putative mechanisms that govern the regulatory effects of kefir on the gut microbiota and its connections with various human diseases was discussed, along with potential applications in the food industry.
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Affiliation(s)
- Oladayo Emmanuel Apalowo
- Department of Food Science, Nutrition and Health Promotion, Mississippi State University, Starkville, MS 39762, USA; (O.E.A.); (G.A.A.)
| | - Grace Adeola Adegoye
- Department of Food Science, Nutrition and Health Promotion, Mississippi State University, Starkville, MS 39762, USA; (O.E.A.); (G.A.A.)
- Department of Nutrition and Health Science, Ball State University, Muncie, IN 47306, USA;
| | - Teresia Mbogori
- Department of Nutrition and Health Science, Ball State University, Muncie, IN 47306, USA;
| | - Jayanthi Kandiah
- Department of Nutrition and Health Science, Ball State University, Muncie, IN 47306, USA;
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12
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Xiao P, Cai X, Zhang Z, Guo K, Ke Y, Hu Z, Song Z, Zhao Y, Yao L, Shen M, Li J, Huang Y, Ye L, Huang L, Zhang Y, Liu R, Xu M, Xu X, Zhao Y, Cao Q. Butyrate Prevents the Pathogenic Anemia-Inflammation Circuit by Facilitating Macrophage Iron Export. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306571. [PMID: 38235606 DOI: 10.1002/advs.202306571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 12/15/2023] [Indexed: 01/19/2024]
Abstract
Most patients with inflammatory bowel disease (IBD) develop anemia, which is attributed to the dysregulation of iron metabolism. Reciprocally, impaired iron homeostasis also aggravates inflammation. How this iron-mediated, pathogenic anemia-inflammation crosstalk is regulated in the gut remains elusive. Herein, it is for the first time revealed that anemic IBD patients exhibit impaired production of short-chain fatty acids (SCFAs), particularly butyrate. Butyrate supplementation restores iron metabolism in multiple anemia models. Mechanistically, butyrate upregulates ferroportin (FPN) expression in macrophages by reducing the enrichment of histone deacetylase (HDAC) at the Slc40a1 promoter, thereby facilitating iron export. By preventing iron sequestration, butyrate not only mitigates colitis-induced anemia but also reduces TNF-α production in macrophages. Consistently, macrophage-conditional FPN knockout mice exhibit more severe anemia and inflammation. Finally, it is revealed that macrophage iron overload impairs the therapeutic effectiveness of anti-TNF-α antibodies in colitis, which can be reversed by butyrate supplementation. Hence, this study uncovers the pivotal role of butyrate in preventing the pathogenic circuit between anemia and inflammation.
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Affiliation(s)
- Peng Xiao
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Institute of Immunology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China
- The Key Laboratory for Immunity and Inflammatory Diseases of Zhejiang Province, Hangzhou, 310058, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Xuechun Cai
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Zhou Zhang
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Ke Guo
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Yuehai Ke
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China
| | - Ziwei Hu
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China
| | - Zhangfa Song
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Yuening Zhao
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Lingya Yao
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Manlu Shen
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Jingyun Li
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Youling Huang
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Lingna Ye
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Lingjie Huang
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Yu Zhang
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Rongbei Liu
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Mengque Xu
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Xutao Xu
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Yuan Zhao
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
| | - Qian Cao
- Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
- Inflammatory Bowel Diseases Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310016, China
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13
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Ahmadi Badi S, Bereimipour A, Rohani P, Khatami S, Siadat SD. Interplay between gut microbiota and the master iron regulator, hepcidin, in the pathogenesis of liver fibrosis. Pathog Dis 2024; 82:ftae005. [PMID: 38555503 PMCID: PMC10990161 DOI: 10.1093/femspd/ftae005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 02/12/2024] [Accepted: 03/28/2024] [Indexed: 04/02/2024] Open
Abstract
INTRODUCTION There is a proven role for hepcidin and the composition of gut microbiota and its derivatives in the pathophysiology of liver fibrosis. AREA COVERED This review focuses on the literature search regarding the effect of hepcidin and gut microbiota on regulating liver physiology. We presented the regulating mechanisms of hepcidin expression and discussed the possible interaction between gut microbiota and hepcidin regulation. Furthermore, we investigated the importance of the hepcidin gene in biological processes and bacterial interactions using bioinformatics analysis. EXPERT OPINION One of the main features of liver fibrosis is iron accumulation in hepatic cells, including hepatocytes. This accumulation can induce an oxidative stress response, inflammation, and activation of hepatic stellate cells. Hepcidin is a crucial regulator of iron by targeting ferroportin expressed on hepatocytes, macrophages, and enterocytes. Various stimuli, such as iron load and inflammatory signals, control hepcidin regulation. Furthermore, a bidirectional relationship exists between iron and the composition and metabolic activity of gut microbiota. We explored the potential of gut microbiota to influence hepcidin expression and potentially manage liver fibrosis, as the regulation of iron metabolism plays a crucial role in this context.
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Affiliation(s)
- Sara Ahmadi Badi
- Biochemistry Department, Pasteur Institute of Iran, Tehran, 1963737611, Iran
- Pediatric Gastroenterology and Hepatology Research Center, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Science, Tehran, 1416753955, Iran
| | - Ahmad Bereimipour
- Department of Biological Sciences and BioDiscovery Institute, University of North Texas, Denton, TX 76203, USA
| | - Pejman Rohani
- Pediatric Gastroenterology and Hepatology Research Center, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Science, Tehran, 1416753955, Iran
| | - Shohreh Khatami
- Biochemistry Department, Pasteur Institute of Iran, Tehran, 1963737611, Iran
| | - Seyed Davar Siadat
- Microbiology Research Center, Pasteur Institute of Iran, Tehran, 1963737611, Iran
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran,1963737611, Iran
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14
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Sun B, Tan B, Zhang P, Zhu L, Wei H, Huang T, Li C, Yang W. Iron deficiency anemia: a critical review on iron absorption, supplementation and its influence on gut microbiota. Food Funct 2024; 15:1144-1157. [PMID: 38235788 DOI: 10.1039/d3fo04644c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
Iron deficiency anemia (IDA) caused by micronutrient iron deficiency has attracted global attention due to its adverse health effects. The regulation of iron uptake and metabolism is finely controlled by various transporters and hormones in the body. Dietary iron intake and regulation are essential in maintaining human health and iron requirements. The review aims to investigate literature concerning dietary iron intake and systemic regulation. Besides, recent IDA treatment and dietary iron supplementation are discussed. Considering the importance of the gut microbiome, the interaction between bacteria and micronutrient iron in the gut is also a focus of this review. The iron absorption efficiency varies considerably according to iron type and dietary factors. Iron fortification remains the cost-effective strategy, although challenges exist in developing suitable iron fortificants and food vehicles regarding bioavailability and acceptability. Iron deficiency may alter the microbiome structure and promote the growth of pathogenic bacteria in the gut, affecting immune balance and human health.
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Affiliation(s)
- Bolun Sun
- College of Food and Pharmaceutical Sciences, Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China.
- School of Nursing, Wenzhou Medical University, Wenzhou 325035, China
| | - Beibei Tan
- School of Agriculture and Food, Faculty of Science, University of Melbourne, Australia
| | - Panxue Zhang
- College of Food and Pharmaceutical Sciences, Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China.
| | - Lianlian Zhu
- School of Nursing, Wenzhou Medical University, Wenzhou 325035, China
| | - Huamao Wei
- College of Food and Pharmaceutical Sciences, Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China.
| | - Tao Huang
- College of Food and Pharmaceutical Sciences, Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China.
| | - Chao Li
- College of Food and Pharmaceutical Sciences, Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China.
| | - Wenge Yang
- College of Food and Pharmaceutical Sciences, Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China.
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15
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Tian QB, Chen SJ, Xiao LJ, Xie JQ, Zhao HB, Zhang X. Potential effects of nutrition-induced alteration of gut microbiota on inflammatory bowel disease: A review. J Dig Dis 2024; 25:78-90. [PMID: 38450936 DOI: 10.1111/1751-2980.13256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 01/27/2024] [Accepted: 02/06/2024] [Indexed: 03/08/2024]
Abstract
Inflammatory bowel disease (IBD), mainly comprising ulcerative colitis and Crohn's disease, is a group of gradually progressive diseases bringing significant mental anguish and imposes serious economic burdens. Interplay of genetic, environmental, and immunological factors have been implicated in its pathogenesis. Nutrients, as crucial environmental determinants, mainly encompassing carbohydrates, fats, proteins, and micronutrients, are closely related to the pathogenesis and development of IBD. Nutrition is essential for maintaining the dynamic balance of intestinal eco-environments to ensure intestinal barrier and immune homeostasis, while this balance can be disrupted easily by maladjusted nutrition. Research has firmly established that nutrition has the potential to shape the composition and function of gut microbiota to affect the disease course. Unhealthy diet and eating disorders lead to gut microbiota dysbiosis and further destroy the function of intestinal barrier such as the disruption of membrane integrity and increased permeability, thereby triggering intestinal inflammation. Notably, appropriate nutritional interventions, such as the Mediterranean diet, can positively modulate intestinal microecology, which may provide a promising strategy for future IBD prevention. In this review, we provide insights into the interplay between nutrition and gut microbiota and its effects on IBD and present some previously overlooked lines of evidence regarding the role of derived metabolites in IBD processes, such as trimethylamine N-oxide and imidazole propionate. Furthermore, we provide some insights into reducing the risk of onset and exacerbation of IBD by modifying nutrition and discuss several outstanding challenges and opportunities for future study.
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Affiliation(s)
- Qi Bai Tian
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, Hunan Province, China
| | - Shui Jiao Chen
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Li Jun Xiao
- Guangdong Corps Hospital of Chinese People's Armed Police Forces, Guangzhou, Guangdong Province, China
| | - Jia Qi Xie
- Hunan Food and Drug Vocational College, Changsha, Hunan Province, China
| | - Hong Bo Zhao
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan Province, China
| | - Xian Zhang
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, Hunan Province, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Central South University, Changsha, Hunan Province, China
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Soriano-Lerma A, García-Burgos M, Barton W, M Alférez MJ, Crespo-Pérez JV, Soriano M, López-Aliaga I, Cotter PD, García-Salcedo JA. Comprehensive insight into the alterations in the gut microbiome and the intestinal barrier as a consequence of iron deficiency anaemia. Biomed J 2024:100701. [PMID: 38281699 DOI: 10.1016/j.bj.2024.100701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 11/09/2023] [Accepted: 01/19/2024] [Indexed: 01/30/2024] Open
Abstract
BACKGROUND Iron deficiency is the top leading cause of anaemia, whose treatment has been shown to deteriorate gut health. However, a comprehensive analysis of the intestinal barrier and the gut microbiome during IDA have not been performed to date. This study aims to delve further into the analysis of these two aspects, which will mean a step forward minimising the negative impact of iron supplements on intestinal health. METHODS IDA was experimentally induced in an animal model. Shotgun sequencing was used to analyse the gut microbiome in the colonic region, while the intestinal barrier was studied through histological analyses, mRNA sequencing (RNA-Seq), qPCR and immunofluorescence. Determinations of lipopolysaccharide (LPS) and bacteria-specific immunoglobulins were performed to assess microbial translocation. RESULTS Microbial metabolism in the colon shifted towards an increased production of certain amino acids, short chain fatty acids and nucleotides, with Clostridium species being enriched during IDA. Structural alterations of the colonic epithelium were shown by histological analysis. RNA-Seq revealed a downregulation of extracellular matrix-associated genes and proteins and an overall underdeveloped epithelium. Increased levels of serum LPS and an increased immune response against dysbiotic bacteria support an impairment in the integrity of the gut barrier during IDA. CONCLUSIONS IDA negatively impacts the gut microbiome and the intestinal barrier, triggering an increased microbial translocation. This study emphasizes the deterioration of gut health during IDA and the fact that it should be addressed when treating the disease.
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Affiliation(s)
- Ana Soriano-Lerma
- Department of Physiology (Faculty of Pharmacy, Campus Universitario de Cartuja), Institute of Nutrition and Food Technology "José Mataix Verdú", University of Granada, E-18071, Granada, Spain; GENYO. Centre for Genomics and Oncological Research: Pfizer / University of Granada / Andalusian Regional Government, PTS Granada, E-18016, Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, E-18012, Granada, Spain
| | - María García-Burgos
- Department of Physiology (Faculty of Pharmacy, Campus Universitario de Cartuja), Institute of Nutrition and Food Technology "José Mataix Verdú", University of Granada, E-18071, Granada, Spain; GENYO. Centre for Genomics and Oncological Research: Pfizer / University of Granada / Andalusian Regional Government, PTS Granada, E-18016, Granada, Spain
| | - Wiley Barton
- VistaMilk, Ireland; Teagasc Food Research Centre, Moorepark, P61 C996, Fermoy, Cork, Ireland
| | - María José M Alférez
- Department of Physiology (Faculty of Pharmacy, Campus Universitario de Cartuja), Institute of Nutrition and Food Technology "José Mataix Verdú", University of Granada, E-18071, Granada, Spain
| | - Jorge Valentín Crespo-Pérez
- Service of Anatomical pathology, Intercenter Regional Unit Granada, University Hospital Virgen de las Nieves, E-18014, Granada, Spain
| | - Miguel Soriano
- Center for Intensive Mediterranean Agrosystems and Agri-food Biotechnology (CIAIMBITAL), University of Almeria, E-04001, Almería, Spain.
| | - Inmaculada López-Aliaga
- Department of Physiology (Faculty of Pharmacy, Campus Universitario de Cartuja), Institute of Nutrition and Food Technology "José Mataix Verdú", University of Granada, E-18071, Granada, Spain.
| | - Paul D Cotter
- VistaMilk, Ireland; Teagasc Food Research Centre, Moorepark, P61 C996, Fermoy, Cork, Ireland; APC Microbiome Ireland, Cork, Ireland
| | - José A García-Salcedo
- GENYO. Centre for Genomics and Oncological Research: Pfizer / University of Granada / Andalusian Regional Government, PTS Granada, E-18016, Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, E-18012, Granada, Spain; Microbiology Unit, University Hospital Virgen de las Nieves, E-18014, Granada, Spain
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17
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Momo Cabrera P, Rachmühl C, Derrien M, Bourdet-Sicard R, Lacroix C, Geirnaert A. Comparative prebiotic potential of galacto- and fructo-oligosaccharides, native inulin, and acacia gum in Kenyan infant gut microbiota during iron supplementation. ISME COMMUNICATIONS 2024; 4:ycae033. [PMID: 38774131 PMCID: PMC11107946 DOI: 10.1093/ismeco/ycae033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 03/10/2024] [Indexed: 05/24/2024]
Abstract
Iron fortification to prevent anemia in African infants increases colonic iron levels, favoring the growth of enteropathogens. The use of prebiotics may be an effective strategy to reduce these detrimental effects. Using the African infant PolyFermS gut model, we compared the effect of the prebiotics short-chain galacto- with long-chain fructo-oligosaccharides (scGOS/lcFOS) and native inulin, and the emerging prebiotic acacia gum, a branched-polysaccharide-protein complex consisting of arabinose and galactose, during iron supplementation on four Kenyan infant gut microbiota. Iron supplementation did not alter the microbiota but promoted Clostridioides difficile in one microbiota. The prebiotic effect of scGOS/lcFOS and inulin was confirmed during iron supplementation in all investigated Kenyan infant gut microbiota, leading to higher abundance of bifidobacteria, increased production of acetate, propionate, and butyrate, and a significant shift in microbiota composition compared to non-supplemented microbiota. The abundance of the pathogens Clostridium difficile and Clostridium perfringens was also inhibited upon addition of the prebiotic fibers. Acacia gum had no effect on any of the microbiota. In conclusion, scGOS/lcFOS and inulin, but not acacia gum, showed a donor-independent strong prebiotic potential in Kenyan infant gut microbiota. This study demonstrates the relevance of comparing fibers in vitro prior to clinical studies.
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Affiliation(s)
- Paula Momo Cabrera
- Laboratory of Food Biotechnology, Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - Carole Rachmühl
- Laboratory of Food Biotechnology, Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - Muriel Derrien
- Danone Global Research & Innovation Center, 91190 Gif sur Yvette, France
- Present address: Department of Microbiology and Immunology, Laboratory of Molecular Bacteriology, Rega Institute KU, 3000 Leuven, Belgium
| | | | - Christophe Lacroix
- Laboratory of Food Biotechnology, Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - Annelies Geirnaert
- Laboratory of Food Biotechnology, Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
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Speckmann B, Ehring E, Hu J, Rodriguez Mateos A. Exploring substrate-microbe interactions: a metabiotic approach toward developing targeted synbiotic compositions. Gut Microbes 2024; 16:2305716. [PMID: 38300741 PMCID: PMC10841028 DOI: 10.1080/19490976.2024.2305716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 01/11/2024] [Indexed: 02/03/2024] Open
Abstract
Gut microbiota is an important modulator of human health and contributes to high inter-individual variation in response to food and pharmaceutical ingredients. The clinical outcomes of interventions with prebiotics, probiotics, and synbiotics have been mixed and often unpredictable, arguing for novel approaches for developing microbiome-targeted therapeutics. Here, we review how the gut microbiota determines the fate of and individual responses to dietary and xenobiotic compounds via its immense metabolic potential. We highlight that microbial metabolites play a crucial role as targetable mediators in the microbiota-host health relationship. With this in mind, we expand the concept of synbiotics beyond prebiotics' role in facilitating growth and engraftment of probiotics, by focusing on microbial metabolism as a vital mode of action thereof. Consequently, we discuss synbiotic compositions that enable the guided metabolism of dietary or co-formulated ingredients by specific microbes leading to target molecules with beneficial functions. A workflow to develop novel synbiotics is presented, including the selection of promising target metabolites (e.g. equol, urolithin A, spermidine, indole-3 derivatives), identification of suitable substrates and producer strains applying bioinformatic tools, gut models, and eventually human trials.In conclusion, we propose that discovering and enabling specific substrate-microbe interactions is a valuable strategy to rationally design synbiotics that could establish a new category of hybrid nutra-/pharmaceuticals.
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Affiliation(s)
| | | | - Jiaying Hu
- Department of Nutritional Sciences, School of Life Course and Population Sciences, Faculty of Life Sciences and Medicine, King’s College London, London, UK
| | - Ana Rodriguez Mateos
- Department of Nutritional Sciences, School of Life Course and Population Sciences, Faculty of Life Sciences and Medicine, King’s College London, London, UK
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19
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Lee S, Choi A, Park KH, Cho Y, Yoon H, Kim P. Single-Cell Hemoprotein Diet Changes Adipose Tissue Distributions and Re-Shapes Gut Microbiota in High-Fat Diet-Induced Obese Mice. J Microbiol Biotechnol 2023; 33:1648-1656. [PMID: 37734921 PMCID: PMC10772551 DOI: 10.4014/jmb.2308.08046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 09/18/2023] [Accepted: 09/20/2023] [Indexed: 09/23/2023]
Abstract
We have previously observed that feeding with single-cell hemoprotein (heme-SCP) in dogs (1 g/day for 6 days) and broiler chickens (1 ppm for 32 days) increased the proportion of lactic acid bacteria in the gut while reducing their body weights by approximately 1~2%. To define the roles of heme-SCP in modulating body weight and gut microbiota, obese C57BL/6N mice were administered varied heme-SCP concentrations (0, 0.05, and 0.5% heme-SCP in high fat diet) for 28 days. The heme-SCP diet seemed to restrain weight gain till day 14, but the mice gained weight again later, showing no significant differences in weight. However, the heme-SCP-fed mice had stiffer and oilier bodies compared with those of the control mice, which had flabby bodies and dull coats. When mice were dissected at day 10, the obese mice fed with heme-SCP exhibited a reduction in subcutaneous fat with an increase in muscle mass. The effect of heme-SCP on the obesity-associated dyslipidemia tended to be corroborated by the blood parameters (triglyceride, total cholesterol, and C-reactive protein) at day 10, though the correlation was not clear at day 28. Notably, the heme-SCP diet altered gut microbiota, leading to the proliferation of known anti-obesity biomarkers such as Akkermansia, Alistipes, Oscillibacter, Ruminococcus, Roseburia, and Faecalibacterium. This study suggests the potential of heme-SCP as an anti-obesity supplement, which modulates serum biochemistry and gut microbiota in high-fat diet-induced obese mice.
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Affiliation(s)
- Seungki Lee
- Department of Biotechnology, the Catholic University of Korea, Bucheon 14662, Republic of Korea
| | - Ahyoung Choi
- Department of Biotechnology, the Catholic University of Korea, Bucheon 14662, Republic of Korea
| | | | - Youngjin Cho
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Hyunjin Yoon
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Pil Kim
- Department of Biotechnology, the Catholic University of Korea, Bucheon 14662, Republic of Korea
- HemoLab Ltd. Co., Bucheon, Republic of Korea
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20
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Loveikyte R, Bourgonje AR, van Goor H, Dijkstra G, van der Meulen-de Jong AE. The effect of iron therapy on oxidative stress and intestinal microbiota in inflammatory bowel diseases: A review on the conundrum. Redox Biol 2023; 68:102950. [PMID: 37918126 PMCID: PMC10643537 DOI: 10.1016/j.redox.2023.102950] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Accepted: 10/28/2023] [Indexed: 11/04/2023] Open
Abstract
One in five patients with Inflammatory Bowel Disease (IBD) suffers from anemia, most frequently caused by iron deficiency. Anemia and iron deficiency are associated with worse disease outcomes, reduced quality of life, decreased economic participation, and increased healthcare costs. International guidelines and consensus-based recommendations have emphasized the importance of treating anemia and iron deficiency. In this review, we draw attention to the rarely discussed effects of iron deficiency and iron therapy on the redox status, the intestinal microbiota, and the potential interplay between them, focusing on the clinical implications for patients with IBD. Current data are scarce, inconsistent, and do not provide definitive answers. Nevertheless, it is imperative to rule out infections and discern iron deficiency anemia from other types of anemia to prevent untargeted oral or intravenous iron supplementation and potential side effects, including oxidative stress. Further research is necessary to establish the clinical significance of changes in the redox status and the intestinal microbiota following iron supplementation.
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Affiliation(s)
- R Loveikyte
- Department of Gastroenterology and Hepatology, Leiden University Medical Center, Leiden, the Netherlands; Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
| | - A R Bourgonje
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands; The Henry D. Janowitz Division of Gastroenterology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - H van Goor
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - G Dijkstra
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - A E van der Meulen-de Jong
- Department of Gastroenterology and Hepatology, Leiden University Medical Center, Leiden, the Netherlands
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21
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Liu Y, Li G, Lu F, Guo Z, Cai S, Huo T. Excess iron intake induced liver injury: The role of gut-liver axis and therapeutic potential. Biomed Pharmacother 2023; 168:115728. [PMID: 37864900 DOI: 10.1016/j.biopha.2023.115728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/10/2023] [Accepted: 10/13/2023] [Indexed: 10/23/2023] Open
Abstract
Excessive iron intake is detrimental to human health, especially to the liver, which is the main organ for iron storage. Excessive iron intake can lead to liver injury. The gut-liver axis (GLA) refers to the bidirectional relationship between the gut and its microbiota and the liver, which is a combination of signals generated by dietary, genetic and environmental factors. Excessive iron intake disrupts the GLA at multiple interconnected levels, including the gut microbiota, gut barrier function, and the liver's innate immune system. Excessive iron intake induces gut microbiota dysbiosis, destroys gut barriers, promotes liver exposure to gut microbiota and its derived metabolites, and increases the pro-inflammatory environment of the liver. There is increasing evidence that excess iron intake alters the levels of gut microbiota-derived metabolites such as secondary bile acids (BAs), short-chain fatty acids, indoles, and trimethylamine N-oxide, which play an important role in maintaining homeostasis of the GLA. In addition to iron chelators, antioxidants, and anti-inflammatory agents currently used in iron overload therapy, gut barrier intervention may be a potential target for iron overload therapy. In this paper, we review the relationship between excess iron intake and chronic liver diseases, the regulation of iron homeostasis by the GLA, and focus on the effects of excess iron intake on the GLA. It has been suggested that probiotics, fecal microbiota transfer, farnesoid X receptor agonists, and microRNA may be potential therapeutic targets for iron overload-induced liver injury by protecting gut barrier function.
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Affiliation(s)
- Yu Liu
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China
| | - Guangyan Li
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China
| | - Fayu Lu
- School of Public Health, China Medical University, Shenyang, Liaoning 110122, China
| | - Ziwei Guo
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China
| | - Shuang Cai
- The First Affiliated Hospital of China Medical University, Shenyang 110001, China.
| | - Taoguang Huo
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China; Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China.
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22
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Fan L, Xia Y, Wang Y, Han D, Liu Y, Li J, Fu J, Wang L, Gan Z, Liu B, Fu J, Zhu C, Wu Z, Zhao J, Han H, Wu H, He Y, Tang Y, Zhang Q, Wang Y, Zhang F, Zong X, Yin J, Zhou X, Yang X, Wang J, Yin Y, Ren W. Gut microbiota bridges dietary nutrients and host immunity. SCIENCE CHINA. LIFE SCIENCES 2023; 66:2466-2514. [PMID: 37286860 PMCID: PMC10247344 DOI: 10.1007/s11427-023-2346-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Accepted: 04/05/2023] [Indexed: 06/09/2023]
Abstract
Dietary nutrients and the gut microbiota are increasingly recognized to cross-regulate and entrain each other, and thus affect host health and immune-mediated diseases. Here, we systematically review the current understanding linking dietary nutrients to gut microbiota-host immune interactions, emphasizing how this axis might influence host immunity in health and diseases. Of relevance, we highlight that the implications of gut microbiota-targeted dietary intervention could be harnessed in orchestrating a spectrum of immune-associated diseases.
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Affiliation(s)
- Lijuan Fan
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Yaoyao Xia
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Youxia Wang
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Dandan Han
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Yanli Liu
- College of Animal Science and Technology, Northwest A&F University, Xi'an, 712100, China
| | - Jiahuan Li
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jie Fu
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Leli Wang
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China
| | - Zhending Gan
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Bingnan Liu
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Jian Fu
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Congrui Zhu
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Zhenhua Wu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Jinbiao Zhao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Hui Han
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Hao Wu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yiwen He
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha, 410081, China
| | - Yulong Tang
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China
| | - Qingzhuo Zhang
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Yibin Wang
- College of Animal Science and Technology, Northwest A&F University, Xi'an, 712100, China
| | - Fan Zhang
- College of Animal Science and Technology, Northwest A&F University, Xi'an, 712100, China
| | - Xin Zong
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Jie Yin
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China.
| | - Xihong Zhou
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China.
| | - Xiaojun Yang
- College of Animal Science and Technology, Northwest A&F University, Xi'an, 712100, China.
| | - Junjun Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China.
| | - Yulong Yin
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China.
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China.
| | - Wenkai Ren
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China.
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23
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Soriano-Lerma A, García-Burgos M, Alférez MJ, Crespo-Pérez JV, Pérez-Carrasco V, Ortiz-Gonzalez M, Linde-Rodriguez Á, Sanchez-Martin V, Soriano M, Garcia-Salcedo JA, López-Aliaga I. Fermented Goat's Milk Contributes to the Recovery of Iron Deficiency Anemia via Modulation of the Gut Microbiome. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:15668-15679. [PMID: 37830350 PMCID: PMC11006235 DOI: 10.1021/acs.jafc.3c05560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 09/19/2023] [Accepted: 09/29/2023] [Indexed: 10/14/2023]
Abstract
Iron deficiency anemia (IDA) is a global public health concern affecting 1.6 billion people worldwide. The administration of iron supplements during the treatment of IDA adversely affects the intestinal barrier function and the composition and functionality of the intestinal microbiome, both of which are already altered during IDA. For this reason, it is of great interest to develop nutritional strategies aimed at alleviating these gut alterations associated with IDA and its treatment. In this sense, fermented goat's milk (FGM) was studied due to its nutritional quality. Our findings showed that in anemic animals the consumption of a FGM-based diet, compared to a standard diet, had positive modulatory effects on the intestinal microbiome. FGM-based diet restored intestinal dysbiosis, the intestinal barrier functionality, and bacterial translocation, contributing to a more efficient recovery of IDA. Therefore, FGM is a useful nutritional tool to ease intestinal alterations occurring during IDA and during its treatment.
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Affiliation(s)
- Ana Soriano-Lerma
- Department
of Physiology (Faculty of Pharmacy, Campus Universitario de Cartuja),
Institute of Nutrition and Food Technology “José Mataix
Verdú”, University of Granada, E-18071 Granada, Spain
- GENYO,
Centre for Genomics and Oncological Research: Pfizer/University of
Granada/Andalusian Regional Government, PTS Granada, E-18016 Granada, Spain
- Instituto
de Investigación Biosanitaria ibs.GRANADA, E-18012 Granada, Spain
| | - María García-Burgos
- Department
of Physiology (Faculty of Pharmacy, Campus Universitario de Cartuja),
Institute of Nutrition and Food Technology “José Mataix
Verdú”, University of Granada, E-18071 Granada, Spain
- GENYO,
Centre for Genomics and Oncological Research: Pfizer/University of
Granada/Andalusian Regional Government, PTS Granada, E-18016 Granada, Spain
| | - María José
M. Alférez
- Department
of Physiology (Faculty of Pharmacy, Campus Universitario de Cartuja),
Institute of Nutrition and Food Technology “José Mataix
Verdú”, University of Granada, E-18071 Granada, Spain
| | - Jorge Valentín Crespo-Pérez
- Service
of Anatomical Pathology, Intercenter Regional Unit Granada, University Hospital Virgen de las Nieves, E-18014 Granada, Spain
| | - Virginia Pérez-Carrasco
- GENYO,
Centre for Genomics and Oncological Research: Pfizer/University of
Granada/Andalusian Regional Government, PTS Granada, E-18016 Granada, Spain
- Instituto
de Investigación Biosanitaria ibs.GRANADA, E-18012 Granada, Spain
- Microbiology
Unit, University Hospital Virgen de las
Nieves, E-18014 Granada, Spain
| | - Matilde Ortiz-Gonzalez
- GENYO,
Centre for Genomics and Oncological Research: Pfizer/University of
Granada/Andalusian Regional Government, PTS Granada, E-18016 Granada, Spain
- Center for
Intensive Mediterranean Agrosystems and Agri-Food Biotechnology (CIAIMBITAL), University of Almeria, E-04120 Almería, Spain
| | - Ángel Linde-Rodriguez
- GENYO,
Centre for Genomics and Oncological Research: Pfizer/University of
Granada/Andalusian Regional Government, PTS Granada, E-18016 Granada, Spain
- Instituto
de Investigación Biosanitaria ibs.GRANADA, E-18012 Granada, Spain
- Microbiology
Unit, University Hospital Virgen de las
Nieves, E-18014 Granada, Spain
| | - Victoria Sanchez-Martin
- GENYO,
Centre for Genomics and Oncological Research: Pfizer/University of
Granada/Andalusian Regional Government, PTS Granada, E-18016 Granada, Spain
- Instituto
de Investigación Biosanitaria ibs.GRANADA, E-18012 Granada, Spain
- Microbiology
Unit, University Hospital Virgen de las
Nieves, E-18014 Granada, Spain
| | - Miguel Soriano
- Center for
Intensive Mediterranean Agrosystems and Agri-Food Biotechnology (CIAIMBITAL), University of Almeria, E-04120 Almería, Spain
| | - Jose A. Garcia-Salcedo
- GENYO,
Centre for Genomics and Oncological Research: Pfizer/University of
Granada/Andalusian Regional Government, PTS Granada, E-18016 Granada, Spain
- Instituto
de Investigación Biosanitaria ibs.GRANADA, E-18012 Granada, Spain
- Microbiology
Unit, University Hospital Virgen de las
Nieves, E-18014 Granada, Spain
| | - Inmaculada López-Aliaga
- Department
of Physiology (Faculty of Pharmacy, Campus Universitario de Cartuja),
Institute of Nutrition and Food Technology “José Mataix
Verdú”, University of Granada, E-18071 Granada, Spain
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24
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Rieg T, Xue J, Stevens M, Thomas L, White J, Dominguez Rieg J. Intravenous ferric carboxymaltose and ferric derisomaltose alter the intestinal microbiome in female iron-deficient anemic mice. Biosci Rep 2023; 43:BSR20231217. [PMID: 37671923 PMCID: PMC10520285 DOI: 10.1042/bsr20231217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 08/31/2023] [Accepted: 09/06/2023] [Indexed: 09/07/2023] Open
Abstract
Iron deficiency anemia (IDA) is a leading global health concern affecting approximately 30% of the population. Treatment for IDA consists of replenishment of iron stores, either by oral or intravenous (IV) supplementation. There is a complex bidirectional interplay between the gut microbiota, the host's iron status, and dietary iron availability. Dietary iron deficiency and supplementation can influence the gut microbiome; however, the effect of IV iron on the gut microbiome is unknown. We studied how commonly used IV iron preparations, ferric carboxymaltose (FCM) and ferric derisomaltose (FDI), affected the gut microbiome in female iron-deficient anemic mice. At the phylum level, vehicle-treated mice showed an expansion in Verrucomicrobia, mostly because of the increased abundance of Akkermansia muciniphila, along with contraction in Firmicutes, resulting in a lower Firmicutes/Bacteroidetes ratio (indicator of dysbiosis). Treatment with either FCM or FDI restored the microbiome such that Firmicutes and Bacteroidetes were the dominant phyla. Interestingly, the phyla Proteobacteria and several members of Bacteroidetes (e.g., Alistipes) were expanded in mice treated with FCM compared with those treated with FDI. In contrast, several Clostridia class members were expanded in mice treated with FDI compared with FCM (e.g., Dorea spp., Eubacterium). Our data demonstrate that IV iron increases gut microbiome diversity independently of the iron preparation used; however, differences exist between FCM and FDI treatments. In conclusion, replenishing iron stores with IV iron preparations in clinical conditions, such as inflammatory bowel disease or chronic kidney disease, could affect gut microbiome composition and consequently contribute to an altered disease outcome.
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Affiliation(s)
- Timo Rieg
- Department of Molecular Pharmacology and Physiology, Hypertension and Kidney Research Center, University of South Florida, Tampa, FL 33612, U.S.A
- James A. Haley Veterans’ Hospital, Tampa, FL 33612, U.S.A
| | - Jianxiang Xue
- Department of Molecular Pharmacology and Physiology, Hypertension and Kidney Research Center, University of South Florida, Tampa, FL 33612, U.S.A
| | - Monica Stevens
- Department of Molecular Pharmacology and Physiology, Hypertension and Kidney Research Center, University of South Florida, Tampa, FL 33612, U.S.A
| | - Linto Thomas
- Department of Molecular Pharmacology and Physiology, Hypertension and Kidney Research Center, University of South Florida, Tampa, FL 33612, U.S.A
| | | | - Jessica A. Dominguez Rieg
- Department of Molecular Pharmacology and Physiology, Hypertension and Kidney Research Center, University of South Florida, Tampa, FL 33612, U.S.A
- James A. Haley Veterans’ Hospital, Tampa, FL 33612, U.S.A
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25
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SHI J, XIE Y, LI Y, REN D, ZHANG Y, SHAO H, LIU Y, WANG X, LI Y. Effects of food-grade iron(III) oxide nanoparticles on cecal digesta- and mucosa-associated microbiota and short-chain fatty acids in rats. BIOSCIENCE OF MICROBIOTA, FOOD AND HEALTH 2023; 43:43-54. [PMID: 38188661 PMCID: PMC10767317 DOI: 10.12938/bmfh.2023-012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 08/21/2023] [Indexed: 01/09/2024]
Abstract
Although iron(III) oxide nanoparticles (IONPs) are widely used in diverse applications ranging from food to biomedicine, the effects of IONPs on different locations of gut microbiota and short-chain fatty acids (SCFAs) are unclear. So, a subacute repeated oral toxicity study on Sprague Dawley (SD) rats was performed, administering low (50 mg/kg·bw), medium (100 mg/kg·bw), and high (200 mg/kg·bw) doses of IONPs. In this study, we found that a high dose of IONPs increased animal weight, and 16S rRNA sequencing revealed that IONPs caused intestinal flora disorders in both the cecal digesta- and mucosa-associated microbiota. However, only high-dose IONP exposure changed the abundance and composition of the mucosa-associated microbiota. IONPs increased the relative abundances of Firmicutes, Ruminococcaceae_UCG-014, Ruminiclostridium_9, Romboutsia, and Bilophila and decreased the relative abundance of Bifidobacterium, and many of these microorganisms are associated with weight gain, obesity, inflammation, diabetes, and mucosal damage. Functional analysis showed that changes in the gut microbiota induced by a high dose of IONPs were mainly related to metabolism, infection, immune, and endocrine disease functions. IONPs significantly elevated the levels of valeric, isobutyric, and isovaleric acid, promoting the absorption of iron. This is the first description of intestinal microbiota dysbiosis in SD rats caused by IONPs, and the effects and mechanisms of action of IONPs on intestinal and host health need to be further studied and confirmed.
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Affiliation(s)
- Jiangchun SHI
- West China School of Public Health and West China Fourth
Hospital, Sichuan University, Chengdu 610041, China
| | - Yumeng XIE
- West China School of Public Health and West China Fourth
Hospital, Sichuan University, Chengdu 610041, China
| | - Yulin LI
- Department of Hospital-acquired Infection Management, Guizhou
Provincial People’s Hospital, Guiyang 550002, China
| | - Dongxia REN
- Department of Blood Transfusion, Tangdu Hospital, Fourth
Military Medical University, Xi’an 710032, China
| | - Yiqi ZHANG
- West China School of Public Health and West China Fourth
Hospital, Sichuan University, Chengdu 610041, China
| | - Huangfang SHAO
- West China School of Public Health and West China Fourth
Hospital, Sichuan University, Chengdu 610041, China
| | - Yang LIU
- West China School of Public Health and West China Fourth
Hospital, Sichuan University, Chengdu 610041, China
| | - Xue WANG
- West China School of Public Health and West China Fourth
Hospital, Sichuan University, Chengdu 610041, China
| | - Yun LI
- West China School of Public Health and West China Fourth
Hospital, Sichuan University, Chengdu 610041, China
- Provincial Key Laboratory of Food Safety Monitoring and Risk
Assessment of Sichuan, Chengdu 610041, China
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26
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Ma Y, Fei Y, Ding S, Jiang H, Fang J, Liu G. Trace metal elements: a bridge between host and intestinal microorganisms. SCIENCE CHINA. LIFE SCIENCES 2023; 66:1976-1993. [PMID: 37528296 DOI: 10.1007/s11427-022-2359-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 04/23/2023] [Indexed: 08/03/2023]
Abstract
Trace metal elements, such as iron, copper, manganese, and zinc, are essential nutrients for biological processes. Although their intake demand is low, they play a crucial role in cell homeostasis as the cofactors of various enzymes. Symbiotic intestinal microorganisms compete with their host for the use of trace metal elements. Moreover, the metabolic processes of trace metal elements in the host and microorganisms affect the organism's health. Supplementation or the lack of trace metal elements in the host can change the intestinal microbial community structure and function. Functional changes in symbiotic microorganisms can affect the host's metabolism of trace metal elements. In this review, we discuss the absorption and transport processes of trace metal elements in the host and symbiotic microorganisms and the effects of dynamic changes in the levels of trace metal elements on the intestinal microbial community structure. We also highlight the participation of trace metal elements as enzyme cofactors in the host immune process. Our findings indicate that the host uses metal nutrition immunity or metal poisoning to resist pathogens and improve immunity.
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Affiliation(s)
- Yong Ma
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, 410128, China
| | - Yanquan Fei
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, 410128, China
| | - Sujuan Ding
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, 410128, China
| | - Hongmei Jiang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, 410128, China
| | - Jun Fang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, 410128, China.
| | - Gang Liu
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, 410128, China
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27
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Shi C, Cheng C, Lin X, Qian Y, Du Y, Chen G. Flammulina velutipes polysaccharide-iron(III) complex used to treat iron deficiency anemia after being absorbed via GLUT2 and SGLT1 transporters. FOOD SCIENCE AND HUMAN WELLNESS 2023. [DOI: 10.1016/j.fshw.2023.02.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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28
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Sun B, Tan B, Zhang P, Huang T, Wei H, Li C, Yang W. Effects of hemoglobin extracted from Tegillarca granosa on the gut microbiota in iron deficiency anemia mice. Food Funct 2023; 14:7040-7052. [PMID: 37449470 DOI: 10.1039/d3fo00695f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Iron deficiency anemia (IDA) is a serious threat to the health of humans around the world. Tegillarca granosa (T. granosa) is considered as an excellent source of iron due to its abundant iron-binding protein hemoglobin. This study aimed to investigate the effects of hemoglobin from T. granosa on the gut microbiota and iron bioavailability in IDA mice. Compared to normal mice, IDA mice showed reduced microbiota diversity and altered relative abundance (reduced Muribaculaceae and increased Bacteroides). After 4 weeks of administration, hemoglobin restored the dysbiosis of the intestinal microbiota induced by IDA and decreased the Firmicutes/Bacteroidota ratio and the abundance of Proteobacteria. Analysis of the hemoglobin regeneration efficiency of mice treated with hemoglobin confirmed that hemoglobin exhibited high iron bioavailability, particularly at low-dose administration, suggesting that a small amount of hemoglobin from T. granosa markedly elevated the blood hemoglobin level in mice. These findings suggested that IDA could be alleviated by administration of hemoglobin with excellent iron bioavailability, and its therapeutic mechanism may be partially attributed to the regulation of the intestinal microbiota composition and relative abundance. These results indicated that T. granosa hemoglobin may be a promising iron supplement to treat IDA and promote the utilization of aquatic-derived proteins.
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Affiliation(s)
- Bolun Sun
- College of Food and Pharmaceutical Sciences, Ningbo University, 315211, China.
| | - Beibei Tan
- College of Food and Pharmaceutical Sciences, Ningbo University, 315211, China.
- School of Agriculture and Food, Faculty of Science, University of Melbourne, Australia
| | - Panxue Zhang
- College of Food and Pharmaceutical Sciences, Ningbo University, 315211, China.
| | - Tao Huang
- College of Food and Pharmaceutical Sciences, Ningbo University, 315211, China.
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China
| | - Huamao Wei
- College of Food and Pharmaceutical Sciences, Ningbo University, 315211, China.
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China
| | - Chao Li
- College of Food and Pharmaceutical Sciences, Ningbo University, 315211, China.
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China
| | - Wenge Yang
- College of Food and Pharmaceutical Sciences, Ningbo University, 315211, China.
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China
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Yang S, Liu G, Savelkoul HFJ, Jansen CA, Li B. Mini-review: microbiota have potential to prevent PEDV infection by improved intestinal barrier. Front Immunol 2023; 14:1230937. [PMID: 37503350 PMCID: PMC10369048 DOI: 10.3389/fimmu.2023.1230937] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 06/23/2023] [Indexed: 07/29/2023] Open
Abstract
Porcine epidemic diarrhea virus (PEDV) infection poses a significant threat to the global pig industry. Current prevention and control strategies are inadequate in protecting pigs from new PEDV variants. This review aims to examine the relationship between PEDV and intestinal microbes, and investigate whether modulating intestinal microbes could affect PEDV infection. The mechanisms by which various intestinal microbes affect viral infection were initially introduced. Intestinal microbes can influence enteric viral infection through direct contact, such as binding, or by affecting interferons (IFNs) production and the intestinal barrier. Influencing the intestinal barrier by microbes can impact PEDV infection in young piglets. To narrow down the range of microbes that may influence PEDV infection, this review summarized microbes that change after infection. Short chain fatty acids (SCFAs), bacterial cell components, and toxins from microbes were identified as important mediators affecting PEDV infection. SCFAs primarily strengthen the intestinal barrier and inhibit intestinal inflammation, while bacterial cell components and toxins are more likely to damage the intestinal barrier. Therefore, this review hypothesizes that fecal transplantation, which allows the host to colonize more SCFAs-producing microbes, may prevent PEDV infection. However, these hypotheses require further proof, and the transplantation of intestinal microbes in pigs requires more exploration.
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Affiliation(s)
- Shanshan Yang
- Key Laboratory of Veterinary Biological Engineering and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Ministry of Agriculture, Nanjing, China
- Jiangsu Key Laboratory for Food Quality and Safety-State, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Ministry of Agriculture, Nanjing, China
- Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Ministry of Agriculture, Nanjing, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China
- State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China
- Cell Biology and Immunology Group, Wageningen University and Research, Wageningen, Netherlands
| | - Guangliang Liu
- State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China
| | - Huub F. J. Savelkoul
- Cell Biology and Immunology Group, Wageningen University and Research, Wageningen, Netherlands
| | - Christine A. Jansen
- Cell Biology and Immunology Group, Wageningen University and Research, Wageningen, Netherlands
| | - Bin Li
- Key Laboratory of Veterinary Biological Engineering and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Ministry of Agriculture, Nanjing, China
- Jiangsu Key Laboratory for Food Quality and Safety-State, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Ministry of Agriculture, Nanjing, China
- Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Ministry of Agriculture, Nanjing, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China
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Hidalgo-Villeda F, Million M, Defoort C, Vannier T, Svilar L, Lagier M, Wagner C, Arroyo-Portilla C, Chasson L, Luciani C, Bossi V, Gorvel JP, Lelouard H, Tomas J. Prolonged dysbiosis and altered immunity under nutritional intervention in a physiological mouse model of severe acute malnutrition. iScience 2023; 26:106910. [PMID: 37378323 PMCID: PMC10291336 DOI: 10.1016/j.isci.2023.106910] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 04/03/2023] [Accepted: 05/12/2023] [Indexed: 06/29/2023] Open
Abstract
Severe acute malnutrition (SAM) is a multifactorial disease affecting millions of children worldwide. It is associated with changes in intestinal physiology, microbiota, and mucosal immunity, emphasizing the need for multidisciplinary studies to unravel its full pathogenesis. We established an experimental model in which weanling mice fed a high-deficiency diet mimic key anthropometric and physiological features of SAM in children. This diet alters the intestinal microbiota (less segmented filamentous bacteria, spatial proximity to epithelium), metabolism (decreased butyrate), and immune cell populations (depletion of LysoDC in Peyer's patches and intestinal Th17 cells). A nutritional intervention leads to a fast zoometric and intestinal physiology recovery but to an incomplete restoration of the intestinal microbiota, metabolism, and immune system. Altogether, we provide a preclinical model of SAM and have identified key markers to target with future interventions during the education of the immune system to improve SAM whole defects.
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Affiliation(s)
- Fanny Hidalgo-Villeda
- Aix Marseille University, CNRS, INSERM, CIML, Turing Centre for Living Systems, Marseille, France
- Escuela de Microbiología, Facultad de Ciencias, Universidad Nacional Autónoma de Honduras, Tegucigalpa, Honduras
- IHU-Méditerranée Infection, Marseille, France
| | - Matthieu Million
- IHU-Méditerranée Infection, Marseille, France
- Ap-HM, Marseille, France
| | - Catherine Defoort
- C2VN, INRA, INSERM, Aix Marseille University, CriBioM, Marseille, France
| | - Thomas Vannier
- Aix Marseille University, CNRS, INSERM, CIML, Turing Centre for Living Systems, Marseille, France
| | - Ljubica Svilar
- C2VN, INRA, INSERM, Aix Marseille University, CriBioM, Marseille, France
| | - Margaux Lagier
- Aix Marseille University, CNRS, INSERM, CIML, Turing Centre for Living Systems, Marseille, France
| | - Camille Wagner
- Aix Marseille University, CNRS, INSERM, CIML, Turing Centre for Living Systems, Marseille, France
| | - Cynthia Arroyo-Portilla
- Aix Marseille University, CNRS, INSERM, CIML, Turing Centre for Living Systems, Marseille, France
- Facultad de Microbiología, Universidad de Costa Rica, San José, Costa Rica
| | - Lionel Chasson
- Aix Marseille University, CNRS, INSERM, CIML, Turing Centre for Living Systems, Marseille, France
| | - Cécilia Luciani
- Aix Marseille University, CNRS, INSERM, CIML, Turing Centre for Living Systems, Marseille, France
| | | | - Jean-Pierre Gorvel
- Aix Marseille University, CNRS, INSERM, CIML, Turing Centre for Living Systems, Marseille, France
| | - Hugues Lelouard
- Aix Marseille University, CNRS, INSERM, CIML, Turing Centre for Living Systems, Marseille, France
| | - Julie Tomas
- Aix Marseille University, CNRS, INSERM, CIML, Turing Centre for Living Systems, Marseille, France
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31
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McClorry S, Ji P, Parenti MG, Slupsky CM. Antibiotics augment the impact of iron deficiency on metabolism in a piglet model. J Nutr Biochem 2023:109405. [PMID: 37311489 DOI: 10.1016/j.jnutbio.2023.109405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 06/02/2023] [Accepted: 06/07/2023] [Indexed: 06/15/2023]
Abstract
Infancy and childhood represent a high-risk period for developing iron deficiency (ID) and is a period of increased susceptibility to infectious disease. Antibiotic use is high in children from low-, middle-, and high-income countries, and thus we sought to determine the impact of antibiotics in the context of ID. In this study, a piglet model was used to assess the impact of ID and antibiotics on systemic metabolism. ID was induced by withholding a ferrous sulfate injection after birth to piglets in the ID group and providing an iron deficient diet upon weaning on postnatal day (PD) 25. Antibiotics (gentamicin and spectinomycin) were administered on PD34-36 to a set of control (Con*+Abx) and ID piglets (ID+Abx) after weaning. Blood was analyzed on PD30 (before antibiotic administration) and PD43 (7 days after antibiotic administration). All ID piglets exhibited growth faltering and had lower hemoglobin and hematocrit compared to control (Con) and Con*+Abx throughout. The metabolome of ID piglets at weaning and sacrifice exhibited elevated markers of oxidative stress, ketosis, and ureagenesis compared to Con. The impact of antibiotics on Con*+Abx piglets did not result in significant changes to the serum metabolome 7-days after treatment; however, the impact of antibiotics on ID+Abx piglets resulted in the same metabolic changes observed in ID piglets, but with a greater magnitude when compared to Con. These results suggest that antibiotic administration in the context of ID exacerbates the negative metabolic impacts of ID and may have long lasting impacts on development.
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Affiliation(s)
- Shannon McClorry
- Department of Nutrition, UC Davis, One Shields Ave, Davis, CA, 95616, USA
| | - Peng Ji
- Department of Nutrition, UC Davis, One Shields Ave, Davis, CA, 95616, USA
| | - Mariana G Parenti
- Department of Nutrition, UC Davis, One Shields Ave, Davis, CA, 95616, USA
| | - Carolyn M Slupsky
- Department of Nutrition, UC Davis, One Shields Ave, Davis, CA, 95616, USA; Department of Food Science and Technology, UC Davis, One Shields Ave, Davis, CA, 95616, USA.
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32
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Goosen C, Proost S, Baumgartner J, Mallick K, Tito RY, Barnabas SL, Cotton MF, Zimmermann MB, Raes J, Blaauw R. Associations of HIV and iron status with gut microbiota composition, gut inflammation and gut integrity in South African school-age children: a two-way factorial case-control study. J Hum Nutr Diet 2023; 36:819-832. [PMID: 36992541 PMCID: PMC10946596 DOI: 10.1111/jhn.13171] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 03/19/2023] [Indexed: 03/31/2023]
Abstract
BACKGROUND Human immunodeficiency virus (HIV) and iron deficiency (ID) affect many African children. Both HIV and iron status interact with gut microbiota composition and related biomarkers. The study's aim was to determine the associations of HIV and iron status with gut microbiota composition, gut inflammation and gut integrity in South African school-age children. METHODS In this two-way factorial case-control study, 8- to 13-year-old children were enrolled into four groups based on their HIV and iron status: (1) With HIV (HIV+) and ID (n = 43), (2) HIV+ and iron-sufficient nonanaemic (n = 41), (3) without HIV (HIV-) and ID (n = 44) and (4) HIV- and iron-sufficient nonanaemic (n = 38). HIV+ children were virally suppressed (<50 HIV RNA copies/ml) on antiretroviral therapy (ART). Microbial composition of faecal samples (16S rRNA sequencing) and markers of gut inflammation (faecal calprotectin) and gut integrity (plasma intestinal fatty acid-binding protein [I-FABP]) were assessed. RESULTS Faecal calprotectin was higher in ID versus iron-sufficient nonanaemic children (p = 0.007). I-FABP did not significantly differ by HIV or iron status. ART-treated HIV (redundancy analysis [RDA] R2 = 0.009, p = 0.029) and age (RDA R2 = 0.013 p = 0.004) explained the variance in the gut microbiota across the four groups. Probabilistic models showed that the relative abundance of the butyrate-producing genera Anaerostipes and Anaerotruncus was lower in ID versus iron-sufficient children. Fusicatenibacter was lower in HIV+ and in ID children versus their respective counterparts. The prevalence of the inflammation-associated genus Megamonas was 42% higher in children with both HIV and ID versus HIV- and iron-sufficient nonanaemic counterparts. CONCLUSIONS In our sample of 8- to 13-year-old virally suppressed HIV+ and HIV- children with or without ID, ID was associated with increased gut inflammation and changes in the relative abundance of specific microbiota. Moreover, in HIV+ children, ID had a cumulative effect that further shifted the gut microbiota to an unfavourable composition.
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Affiliation(s)
- Charlene Goosen
- Division of Human Nutrition, Department of Global Health, Faculty of Medicine and Health SciencesStellenbosch UniversityCape TownSouth Africa
| | - Sebastian Proost
- Laboratory of Molecular Bacteriology, Department of Microbiology and ImmunologyRega Institute, KU LeuvenLeuvenBelgium
- Center for Microbiology, VIBLeuvenBelgium
| | - Jeannine Baumgartner
- Laboratory of Human Nutrition, Department of Health Sciences and TechnologyETH ZurichZurichSwitzerland
- Department of Nutritional SciencesKing's College LondonLondonUK
| | - Kashish Mallick
- Laboratory of Human Nutrition, Department of Health Sciences and TechnologyETH ZurichZurichSwitzerland
| | - Raul Y. Tito
- Laboratory of Molecular Bacteriology, Department of Microbiology and ImmunologyRega Institute, KU LeuvenLeuvenBelgium
- Center for Microbiology, VIBLeuvenBelgium
| | - Shaun L. Barnabas
- Department of Paediatrics and Child Health, Family Centre for Research with UbuntuStellenbosch UniversityCape TownSouth Africa
| | - Mark F. Cotton
- Department of Paediatrics and Child Health, Family Centre for Research with UbuntuStellenbosch UniversityCape TownSouth Africa
| | - Michael B. Zimmermann
- Laboratory of Human Nutrition, Department of Health Sciences and TechnologyETH ZurichZurichSwitzerland
| | - Jeroen Raes
- Laboratory of Molecular Bacteriology, Department of Microbiology and ImmunologyRega Institute, KU LeuvenLeuvenBelgium
- Center for Microbiology, VIBLeuvenBelgium
| | - Renée Blaauw
- Division of Human Nutrition, Department of Global Health, Faculty of Medicine and Health SciencesStellenbosch UniversityCape TownSouth Africa
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33
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Zhang YY, Stockmann R, Ng K, Ajlouni S. Hydrolysis of pea protein differentially modulates its effect on iron bioaccessibility, sulfur availability, composition and activity of gut microbial communities in vitro. Food Funct 2023. [PMID: 37191062 DOI: 10.1039/d3fo00504f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Both plant proteins and iron supplements can demonstrate high susceptibility to escape small intestinal digestion and absorption, hence are often present throughout colonic fermentation. Whilst colonic iron delivery may adversely affect the gut microbiota and epithelial integrity, nascent evidence suggests that pea proteins may possess beneficial prebiotic and antioxidant effects during gut fermentation. This study investigated the interaction between exogenously added iron and pea protein isolate (PPI) or pea protein hydrolysate (PPH) during in vitro gastrointestinal digestion and colonic fermentation. Results revealed that enzymatic hydrolysis mitigated the crude protein's inhibitory effects on iron solubility during small intestinal digestion. Colonic fermentation of iron-containing treatments led to an increase in iron bioaccessibility and was characterized by a loss of within-species diversity, a marked increase in members of Proteobacteria, and eradication of some species of Lactobacillaceae. Although these patterns were also observed with pea proteins, the extent of the effects differed. Only PPI displayed significantly higher levels of total short-chain fatty acids in the presence of iron, accompanied by greater abundance of Propionibacteriaceae relative to other treatments. Additionally, we provide evidence that the iron-induced changes in the gut microbiome may be associated with its effect on endogenous sulfur solubility. These findings highlight the potential trade-off between protein-induced enhancements in fortified iron bioaccessibility and effects on the gut microbiome, and the role of iron in facilitating colonic sulfur delivery.
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Affiliation(s)
- Yianna Y Zhang
- School of Agriculture and Food, Faculty of Science, The University of Melbourne, Parkville, VIC 3010, Australia.
- CSIRO Agriculture & Food, 671 Sneydes Road, Werribee, VIC 3030, Australia
| | - Regine Stockmann
- CSIRO Agriculture & Food, 671 Sneydes Road, Werribee, VIC 3030, Australia
| | - Ken Ng
- School of Agriculture and Food, Faculty of Science, The University of Melbourne, Parkville, VIC 3010, Australia.
| | - Said Ajlouni
- School of Agriculture and Food, Faculty of Science, The University of Melbourne, Parkville, VIC 3010, Australia.
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34
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Scarano A, Laddomada B, Blando F, De Santis S, Verna G, Chieppa M, Santino A. The Chelating Ability of Plant Polyphenols Can Affect Iron Homeostasis and Gut Microbiota. Antioxidants (Basel) 2023; 12:antiox12030630. [PMID: 36978878 PMCID: PMC10045931 DOI: 10.3390/antiox12030630] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 02/27/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
In the past decades, many studies have widely examined the effects of dietary polyphenols on human health. Polyphenols are well known for their antioxidant properties and for their chelating abilities, by which they can be potentially employed in cases of pathological conditions, such as iron overload. In this review, we have highlighted the chelating abilities of polyphenols, which are due to their structural specific sites, and the differences for each class of polyphenols. We have also explored how the dietary polyphenols and their iron-binding abilities can be important in inflammatory/immunomodulatory responses, with a special focus on the involvement of macrophages and dendritic cells, and how they might contribute to reshape the gut microbiota into a healthy profile. This review also provides evidence that the axes “polyphenol–iron metabolism–inflammatory responses” and “polyphenol–iron availability–gut microbiota” have not been very well explored so far, and the need for further investigation to exploit such a potential to prevent or counteract pathological conditions.
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Affiliation(s)
- Aurelia Scarano
- Institute of Science of Food Production, C.N.R. Unit of Lecce, 73100 Lecce, Italy
| | - Barbara Laddomada
- Institute of Science of Food Production, C.N.R. Unit of Lecce, 73100 Lecce, Italy
| | - Federica Blando
- Institute of Science of Food Production, C.N.R. Unit of Lecce, 73100 Lecce, Italy
| | - Stefania De Santis
- Department of Pharmacy-Pharmaceutical Science, University of Bari Aldo Moro, 70125 Bari, Italy
| | - Giulio Verna
- Digestive Health Research Institute, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Marcello Chieppa
- Department of Biological and Environmental Sciences and Technologies (DISTEBA), University of Salento, 73100 Lecce, Italy
- Correspondence: (M.C.); (A.S.)
| | - Angelo Santino
- Institute of Science of Food Production, C.N.R. Unit of Lecce, 73100 Lecce, Italy
- Correspondence: (M.C.); (A.S.)
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35
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Peng K, Dong W, Luo T, Tang H, Zhu W, Huang Y, Yang X. Butyrate and obesity: Current research status and future prospect. Front Endocrinol (Lausanne) 2023; 14:1098881. [PMID: 36909336 PMCID: PMC9999029 DOI: 10.3389/fendo.2023.1098881] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 02/07/2023] [Indexed: 03/14/2023] Open
Abstract
Over the past few decades, increasing prevalence of obesity caused an enormous medical, social, and economic burden. As the sixth most important risk factor contributing to the overall burden of disease worldwide, obesity not only directly harms the human body, but also leads to many chronic diseases such as diabetes, cardiovascular diseases (CVD), nonalcoholic fatty liver disease (NAFLD), and mental illness. Weight loss is still one of the most effective strategies against obesity and related disorders. Recently, the link between intestinal microflora and metabolic health has been constantly established. Butyrate, a four-carbon short-chain fatty acid, is a major metabolite of the gut microbiota that has many beneficial effects on metabolic health. The anti-obesity activity of butyrate has been demonstrated, but its mechanisms of action have not been fully described. This review summarizes current knowledge of butyrate, including its production, absorption, distribution, metabolism, and the effect and mechanisms involved in weight loss and obesity-related diseases. The aim was to contribute to and advance our understanding of butyrate and its role in obesity. Further exploration of butyrate and its pathway may help to identify new anti-obesity.
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Affiliation(s)
- Ke Peng
- Department of Pharmacy, The Affiliated Hospital of Southwest Medical University, Luzhou, China
- School of Pharmacy, Southwest Medical University, Luzhou, China
| | - Wenjie Dong
- Department of Pharmacy, The Affiliated Hospital of Southwest Medical University, Luzhou, China
- School of Pharmacy, Southwest Medical University, Luzhou, China
| | - Taimin Luo
- Department of Pharmacy, Chengdu Seventh People’s Hospital, Chengdu, Sichuan, China
| | - Hui Tang
- Department of Pharmacy, The Affiliated Hospital of Southwest Medical University, Luzhou, China
- School of Pharmacy, Southwest Medical University, Luzhou, China
| | - Wanlong Zhu
- Department of Pharmacy, The Affiliated Hospital of Southwest Medical University, Luzhou, China
- School of Pharmacy, Southwest Medical University, Luzhou, China
| | - Yilan Huang
- Department of Pharmacy, The Affiliated Hospital of Southwest Medical University, Luzhou, China
- School of Pharmacy, Southwest Medical University, Luzhou, China
| | - Xuping Yang
- Department of Pharmacy, The Affiliated Hospital of Southwest Medical University, Luzhou, China
- School of Pharmacy, Southwest Medical University, Luzhou, China
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36
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Monteagudo-Mera A, Shalunkhe A, Duhduh A, Walton GE, Gibson GR, Pereira DI, Wijeyesekera A, Andrews SC. Impact of inorganic iron and haem on the human gut microbiota; An in vitro batch-culture approach. Front Microbiol 2023; 14:1074637. [PMID: 36910170 PMCID: PMC9995831 DOI: 10.3389/fmicb.2023.1074637] [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: 10/19/2022] [Accepted: 02/06/2023] [Indexed: 02/25/2023] Open
Abstract
Although iron is an essential nutrient for humans, as well as for almost all other organisms, it is poorly absorbed (~15%) from the diet such that most passes through the upper gut into the large intestine. The colonic microbiota is thus exposed to, and potentially influenced by, such residual iron which could have an impact on human health. The aim of the research described here is to determine how the major forms of dietary iron (inorganic iron and haem) influence metabolic activity and composition of the human gut microbiota by utilizing an in vitro parallel, pH-controlled anaerobic batch culture approach. Controlled iron provision was enabled by the design of a 'modified' low-iron gut-model medium whereby background iron content was reduced from 28 to 5 μM. Thus, the impact of both low and high levels of inorganic and haem iron (18-180 μM and 7.7-77 μM, respectively) could be explored. Gut-microbiota composition was determined using next generation sequencing (NGS) based community profiling (16S rRNA gene sequencing) and flow-fluorescent in situ hybridization (FISH). Metabolic-end products (organic acids) were quantified using gas chromatography (GC) and iron incorporation was estimated by inductively coupled plasma optical emission spectroscopy (ICP-OES). Results showed that differences in iron regime induced significant changes in microbiota composition when low (0.1% w/v) fecal inoculation levels were employed. An increase in haem levels from 7.7 to 77 μM (standard levels employed in gut culture studies) resulted in reduced microbial diversity, a significant increase in Enterobacteriaceae and lower short chain fatty acid (SCFA) production. These effects were countered when 18 μM inorganic iron was also included into the growth medium. The results therefore suggest that high-dietary haem may have a detrimental effect on health since the resulting changes in microbiota composition and SCFA production are indicators of an unhealthy gut. The results also demonstrate that employing a low inoculum together with a low-iron gut-model medium facilitated in vitro investigation of the relationship between iron and the gut microbiota.
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Affiliation(s)
- Andrea Monteagudo-Mera
- School of Biological Sciences, University of Reading, Reading, United Kingdom
- Department of Food & Nutritional Sciences, University of Reading, Reading, United Kingdom
| | | | - Amro Duhduh
- School of Biological Sciences, University of Reading, Reading, United Kingdom
- Faculty of Applied Medical Science, Jazan University, Jazan, Saudi Arabia
| | - Gemma E. Walton
- Department of Food & Nutritional Sciences, University of Reading, Reading, United Kingdom
| | - Glenn R. Gibson
- Department of Food & Nutritional Sciences, University of Reading, Reading, United Kingdom
| | | | - Anisha Wijeyesekera
- Department of Food & Nutritional Sciences, University of Reading, Reading, United Kingdom
| | - Simon C. Andrews
- School of Biological Sciences, University of Reading, Reading, United Kingdom
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37
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Zhang XL, Zhou YR, Xu SS, Xu S, Xiong YJ, Xu K, Xu CJ, Che JJ, Huang L, Liu ZG, Wang BY, Mu YL, Xiao SB, Li K. Characterization of Gut Microbiota Compositions along the Intestinal Tract in CD163/pAPN Double Knockout Piglets and Their Potential Roles in Iron Absorption. Microbiol Spectr 2023; 11:e0190622. [PMID: 36625575 PMCID: PMC9927099 DOI: 10.1128/spectrum.01906-22] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 12/13/2022] [Indexed: 01/11/2023] Open
Abstract
The gut microbiota is known to play a role in regulating host metabolism, yet the mechanisms underlying this regulation are not well elucidated. Our study aimed to characterize the differences in gut microbiota compositions and their roles in iron absorption between wild-type (WT) and CD163/pAPN double-gene-knockout (DKO) weaned piglets. A total of 58 samples along the entire digestive tract were analyzed for microbial community using 16S rRNA gene sequencing. The colonic microbiota and their metabolites were determined by metagenomic sequencing and untargeted liquid chromatography-mass spectrometry (LC-MS), respectively. Our results showed that no alterations in microbial community structure and composition were observed between DKO and WT weaned piglets, with the exception of colonic microbiota. Interestingly, the DKO piglets had selectively increased the relative abundance of the Leeia genus belonging to the Neisseriaceae family and decreased the Ruminococcaceae_UCG_014 genus abundance. Functional capacity analysis showed that organic acid metabolism was enriched in the colon in DKO piglets. In addition, the DKO piglets showed increased iron levels in important tissues compared with WT piglets without any pathological changes. Pearson's correlation coefficient indicated that the specific bacteria such as Leeia and Ruminococcaceae_UCG_014 genus played a key role in host iron absorption. Moreover, the iron levels had significantly (P < 0.05) positive correlation with microbial metabolites, particularly carboxylic acids and their derivatives, which might increase iron absorption by preventing iron precipitation. Overall, this study reveals an interaction between colonic microbiota and host metabolism and has potential significance for alleviating piglet iron deficiency. IMPORTANCE Iron deficiency is a major risk factor for iron deficiency anemia, which is among the most common nutritional disorders in piglets. However, it remains unclear how the gut microbiota interacts with host iron absorption. The current report provides the first insight into iron absorption-microbiome connection in CD163/pAPN double knockout piglets. The present results showed that carboxylic acids and their derivatives contributed to the absorption of nonheme iron by preventing ferric iron precipitation.
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Affiliation(s)
- Xiu-Ling Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, People’s Republic of China
| | - Yan-Rong Zhou
- State Key Laboratory of Agricultural Microbiology and Key Laboratory of Preventive Veterinary Medicine in Hubei Province, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Song-Song Xu
- Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, People’s Republic of China
| | - Si Xu
- State Key Laboratory of Agricultural Microbiology and Key Laboratory of Preventive Veterinary Medicine in Hubei Province, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Yu-Jian Xiong
- State Key Laboratory of Agricultural Microbiology and Key Laboratory of Preventive Veterinary Medicine in Hubei Province, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Kui Xu
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
| | - Chang-Jiang Xu
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
| | - Jing-Jing Che
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
| | - Lei Huang
- Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, People’s Republic of China
| | - Zhi-Guo Liu
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
| | - Bing-Yuan Wang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
| | - Yu-Lian Mu
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
| | - Shao-Bo Xiao
- State Key Laboratory of Agricultural Microbiology and Key Laboratory of Preventive Veterinary Medicine in Hubei Province, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Kui Li
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
- Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, People’s Republic of China
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Chang MR, Rusanov DA, Arakelyan J, Alshehri M, Asaturova AV, Kireeva GS, Babak MV, Ang WH. Targeting emerging cancer hallmarks by transition metal complexes: Cancer stem cells and tumor microbiome. Part I. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
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Aksoyalp ZŞ, Temel A, Erdogan BR. Iron in infectious diseases friend or foe?: The role of gut microbiota. J Trace Elem Med Biol 2023; 75:127093. [PMID: 36240616 DOI: 10.1016/j.jtemb.2022.127093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 09/13/2022] [Accepted: 10/05/2022] [Indexed: 12/07/2022]
Abstract
Iron is a trace element involved in metabolic functions for all organisms, from microorganisms to mammalians. Iron deficiency is a prevalent health problem that affects billions of people worldwide, and iron overload could have some hazardous effect. The complex microbial community in the human body, also called microbiota, influences the host immune defence against infections. An imbalance in gut microbiota, dysbiosis, changes the host's susceptibility to infections by regulating the immune system. In recent years, the number of studies on the relationship between infectious diseases and microbiota has increased. Gut microbiota is affected by different parameters, including mode of delivery, hygiene habits, diet, drugs, and plasma iron levels during the lifetime. Gut microbiota may influence iron levels in the body, and iron overload and deficiency can also affect gut microbiota composition. Novel researches on microbiota shed light on the fact that the bidirectional interactions between gut microbiota and iron play a role in the pathogenesis of many diseases, especially infections. A better understanding of these interactions may help us to comprehend the pathogenesis of many infectious and metabolic diseases affecting people worldwide and following the development of more effective preventive and/or therapeutic strategies. In this review, we aimed to present the iron-mediated host-gut microbiota interactions, susceptibility to bacterial infections, and iron-targeted therapy approaches for infections.
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Affiliation(s)
- Zinnet Şevval Aksoyalp
- Izmir Katip Celebi University, Faculty of Pharmacy, Department of Pharmacology, Izmir, Turkey.
| | - Aybala Temel
- Izmir Katip Celebi University, Faculty of Pharmacy, Department of Pharmaceutical Microbiology, Izmir, Turkey.
| | - Betul Rabia Erdogan
- Izmir Katip Celebi University, Faculty of Pharmacy, Department of Pharmacology, Izmir, Turkey.
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40
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Huynh U, Zastrow ML. Metallobiology of Lactobacillaceae in the gut microbiome. J Inorg Biochem 2023; 238:112023. [PMID: 36270041 PMCID: PMC9888405 DOI: 10.1016/j.jinorgbio.2022.112023] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/26/2022] [Accepted: 10/03/2022] [Indexed: 11/21/2022]
Abstract
Lactobacillaceae are a diverse family of lactic acid bacteria found in the gut microbiota of humans and many animals. These bacteria exhibit beneficial effects on intestinal health, including modulating the immune system and providing protection against pathogens, and many species are frequently used as probiotics. Gut bacteria acquire essential metal ions, like iron, zinc, and manganese, through the host diet and changes to the levels of these metals are often linked to alterations in microbial community composition, susceptibility to infection, and gastrointestinal diseases. Lactobacillaceae are frequently among the organisms increased or decreased in abundance due to changes in metal availability, yet many of the molecular mechanisms underlying these changes have yet to be defined. Metal requirements and metallotransporters have been studied in some species of Lactobacillaceae, but few of the mechanisms used by these bacteria to respond to metal limitation or excess have been investigated. This review provides a current overview of these mechanisms and covers how iron, zinc, and manganese impact Lactobacillaceae in the gut microbiota with an emphasis on their biochemical roles, requirements, and homeostatic mechanisms in several species.
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Affiliation(s)
- Uyen Huynh
- Department of Chemistry, University of Houston, Houston, TX, USA
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41
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Bist P, Choudhary S. Impact of Heavy Metal Toxicity on the Gut Microbiota and Its Relationship with Metabolites and Future Probiotics Strategy: a Review. Biol Trace Elem Res 2022; 200:5328-5350. [PMID: 34994948 DOI: 10.1007/s12011-021-03092-4] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 12/30/2021] [Indexed: 01/06/2023]
Abstract
The gut microbiota has a vital role in the maintenance of intestinal homeostasis. Several studies have revealed that environmental exposure to pollutants such as heavy metals may contribute to the progression of extensive list of diseases which may further lead to perturbations in the gut leading to dysbiosis. This manuscript critically reviews the alterations in the gut microbiota composition and function upon exposure to various toxic heavy metals prevalent in the environment. The disturbance in gut microbial ecology also affects the microbial metabolic profile which may alter the speciation state and bioavailability heavy metals thus affecting metal uptake-absorption/detoxification mechanisms associated to heavy metal metabolism. The toxic effects of various heavy metals either in single or in multimetallic combination and the gut microbiota associated host health and disease condition need a comprehensive assessment with important consideration for therapeutic and protective strategies against the damage to gut microbiota.
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Affiliation(s)
- Priyanka Bist
- Department of Bioscience and Biotechnology, Banasthali Vidyapith, Rajasthan, 304022, India
| | - Sangeeta Choudhary
- Department of Bioscience and Biotechnology, Banasthali Vidyapith, Rajasthan, 304022, India.
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Mayneris-Perxachs J, Moreno-Navarrete JM, Fernández-Real JM. The role of iron in host-microbiota crosstalk and its effects on systemic glucose metabolism. Nat Rev Endocrinol 2022; 18:683-698. [PMID: 35986176 DOI: 10.1038/s41574-022-00721-3] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/01/2022] [Indexed: 11/09/2022]
Abstract
Iron is critical for the appearance and maintenance of life on Earth. Almost all organisms compete or cooperate for iron acquisition, demonstrating the importance of this essential element for the biological and physiological processes that are key for the preservation of metabolic homeostasis. In humans and other mammals, the bidirectional interactions between the bacterial component of the gut microbiota and the host for iron acquisition shape both host and microbiota metabolism. Bacterial functions influence host iron absorption, whereas the intake of iron, iron deficiency and iron excess in the host affect bacterial biodiversity, taxonomy and function, resulting in changes in bacterial virulence. These consequences of the host-microbial crosstalk affect systemic levels of iron, its storage in different tissues and host glucose metabolism. At the interface between the host and the microbiota, alterations in the host innate immune system and in circulating soluble factors that regulate iron (that is, hepcidin, lipocalin 2 and lactoferrin) are associated with metabolic disease. In fact, patients with obesity-associated metabolic dysfunction and insulin resistance exhibit dysregulation in iron homeostasis and alterations in their gut microbiota profile. From an evolutionary point of view, the pursuit of two important nutrients - glucose and iron - has probably driven human evolution towards the most efficient pathways and genes for human survival and health.
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Affiliation(s)
- Jordi Mayneris-Perxachs
- Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigació Biomèdica de Girona (IDIBGI), Girona, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III, Madrid, Spain
| | - José María Moreno-Navarrete
- Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigació Biomèdica de Girona (IDIBGI), Girona, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III, Madrid, Spain
| | - José Manuel Fernández-Real
- Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigació Biomèdica de Girona (IDIBGI), Girona, Spain.
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III, Madrid, Spain.
- Department of Medicine, Universitat de Girona, Girona, Spain.
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43
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Daou Y, Falabrègue M, Pourzand C, Peyssonnaux C, Edeas M. Host and microbiota derived extracellular vesicles: Crucial players in iron homeostasis. Front Med (Lausanne) 2022; 9:985141. [PMID: 36314015 PMCID: PMC9606470 DOI: 10.3389/fmed.2022.985141] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 09/26/2022] [Indexed: 11/23/2022] Open
Abstract
Iron is a double-edged sword. It is vital for all that’s living, yet its deficiency or overload can be fatal. In humans, iron homeostasis is tightly regulated at both cellular and systemic levels. Extracellular vesicles (EVs), now known as major players in cellular communication, potentially play an important role in regulating iron metabolism. The gut microbiota was also recently reported to impact the iron metabolism process and indirectly participate in regulating iron homeostasis, yet there is no proof of whether or not microbiota-derived EVs interfere in this relationship. In this review, we discuss the implication of EVs on iron metabolism and homeostasis. We elaborate on the blooming role of gut microbiota in iron homeostasis while focusing on the possible EVs contribution. We conclude that EVs are extensively involved in the complex iron metabolism process; they carry ferritin and express transferrin receptors. Bone marrow-derived EVs even induce hepcidin expression in β-thalassemia. The gut microbiota, in turn, affects iron homeostasis on the level of iron absorption and possibly macrophage iron recycling, with still no proof of the interference of EVs. This review is the first step toward understanding the multiplex iron metabolism process. Targeting extracellular vesicles and gut microbiota-derived extracellular vesicles will be a huge challenge to treat many diseases related to iron metabolism alteration.
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Affiliation(s)
- Yasmeen Daou
- International Society of Microbiota, Tokyo, Japan
| | - Marion Falabrègue
- INSERM, CNRS, Institut Cochin, Université de Paris, Paris, France,Laboratory of Excellence GR-Ex, Paris, France
| | - Charareh Pourzand
- Department of Life Sciences, University of Bath, Bath, United Kingdom,Medicines Development, Centre for Therapeutic Innovation, University of Bath, Bath, United Kingdom
| | - Carole Peyssonnaux
- INSERM, CNRS, Institut Cochin, Université de Paris, Paris, France,Laboratory of Excellence GR-Ex, Paris, France
| | - Marvin Edeas
- INSERM, CNRS, Institut Cochin, Université de Paris, Paris, France,Laboratory of Excellence GR-Ex, Paris, France,*Correspondence: Marvin Edeas,
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Khan AZ, Badar S, O'Callaghan KM, Zlotkin S, Roth DE. Fecal Iron Measurement in Studies of the Human Intestinal Microbiome. Curr Dev Nutr 2022; 6:nzac143. [PMID: 36475017 PMCID: PMC9718653 DOI: 10.1093/cdn/nzac143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/09/2022] [Accepted: 09/09/2022] [Indexed: 04/22/2024] Open
Abstract
Iron is an essential micronutrient for humans and their intestinal microbiota. Host intestinal cells and iron-dependent bacteria compete for intraluminal iron, so the composition and functions of the gut microbiota may influence iron availability. Studies of the effects of the microbiota or probiotic interventions on host iron absorption may be particularly relevant to settings with high burdens of iron deficiency and gastrointestinal infections, since inflammation reduces iron bioavailability and unabsorbed intraluminal iron may modify the composition of the microbiota. The quantification of stool iron content may serve as an indicator of the amount of intraluminal iron to which the intestinal microbiota is exposed, which is particularly relevant for studies of the effect of iron on the intestinal microbiome, where fecal samples collected for purposes of microbiome characterization can be leveraged for stool iron analysis. However, few studies are available to guide researchers in the selection and implementation of stool iron assays, particularly because cross-comparison of available methods is limited in literature. This review aims to describe the available stool iron quantification methods and highlight their potential application in studies of iron-microbiome relationships, with a focus on pediatric research. MS-based methods offer high sensitivity and precision, but the need for expensive equipment and the high per-sample and maintenance costs may limit their widespread use. Conversely, colorimetric assays offer lower cost, ease of use, and rapid turnaround times but have thus far been optimized primarily for blood-derived matrices rather than stool. Further research efforts are needed to validate and standardize methods for stool iron assessment and to determine if the incorporation of such analyses in human microbiome studies 1) yields insights into the interactions between intestinal microbiota and iron and 2) contributes to the development of interventions that mitigate iron deficiency and promote a healthy microbiome.
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Affiliation(s)
- Afreen Z Khan
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, Canada
- Centre for Global Child Health and SickKids Research Institute, The Hospital for Sick Children, Toronto, Canada
| | - Sayema Badar
- Centre for Global Child Health and SickKids Research Institute, The Hospital for Sick Children, Toronto, Canada
- Faculty of Health Sciences, Simon Fraser University, Burnaby, Canada
| | - Karen M O'Callaghan
- Centre for Global Child Health and SickKids Research Institute, The Hospital for Sick Children, Toronto, Canada
| | - Stanley Zlotkin
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, Canada
- Centre for Global Child Health and SickKids Research Institute, The Hospital for Sick Children, Toronto, Canada
- Department of Paediatrics, The Hospital for Sick Children and University of Toronto, Toronto, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
| | - Daniel E Roth
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, Canada
- Centre for Global Child Health and SickKids Research Institute, The Hospital for Sick Children, Toronto, Canada
- Department of Paediatrics, The Hospital for Sick Children and University of Toronto, Toronto, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
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Malesza IJ, Bartkowiak-Wieczorek J, Winkler-Galicki J, Nowicka A, Dzięciołowska D, Błaszczyk M, Gajniak P, Słowińska K, Niepolski L, Walkowiak J, Mądry E. The Dark Side of Iron: The Relationship between Iron, Inflammation and Gut Microbiota in Selected Diseases Associated with Iron Deficiency Anaemia—A Narrative Review. Nutrients 2022; 14:nu14173478. [PMID: 36079734 PMCID: PMC9458173 DOI: 10.3390/nu14173478] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/18/2022] [Accepted: 08/19/2022] [Indexed: 12/21/2022] Open
Abstract
Iron is an indispensable nutrient for life. A lack of it leads to iron deficiency anaemia (IDA), which currently affects about 1.2 billion people worldwide. The primary means of IDA treatment is oral or parenteral iron supplementation. This can be burdened with numerous side effects such as oxidative stress, systemic and local-intestinal inflammation, dysbiosis, carcinogenic processes and gastrointestinal adverse events. Therefore, this review aimed to provide insight into the physiological mechanisms of iron management and investigate the state of knowledge of the relationship between iron supplementation, inflammatory status and changes in gut microbiota milieu in diseases typically complicated with IDA and considered as having an inflammatory background such as in inflammatory bowel disease, colorectal cancer or obesity. Understanding the precise mechanisms critical to iron metabolism and the awareness of serious adverse effects associated with iron supplementation may lead to the provision of better IDA treatment. Well-planned research, specific to each patient category and disease, is needed to find measures and methods to optimise iron treatment and reduce adverse effects.
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Affiliation(s)
- Ida J. Malesza
- Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | | | - Jakub Winkler-Galicki
- Department of Physiology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Aleksandra Nowicka
- Department of Physiology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | | | - Marta Błaszczyk
- Department of Physiology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Paulina Gajniak
- Department of Physiology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Karolina Słowińska
- Department of Physiology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Leszek Niepolski
- Department of Physiology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Jarosław Walkowiak
- Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Edyta Mądry
- Department of Physiology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
- Correspondence:
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46
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Prebiotics, Probiotics, and Postbiotics in the Prevention and Treatment of Anemia. Microorganisms 2022; 10:microorganisms10071330. [PMID: 35889049 PMCID: PMC9317605 DOI: 10.3390/microorganisms10071330] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 06/28/2022] [Accepted: 06/28/2022] [Indexed: 12/12/2022] Open
Abstract
Iron deficiency anemia (IDA) is very common and affects approximately 1/3 of the world’s human population. There are strong research data that some probiotics, such as Lactobacillus acidophilus and Bifidobacterium longum improve iron absorption and influence the course of anemia. Furthermore, prebiotics, including galactooligosaccharides (GOS) and fructooligosaccharides (FOS), increase iron bioavailability and decrease its destructive effect on the intestinal microbiota. In addition, multiple postbiotics, which are probiotic metabolites, including vitamins, short-chain fatty acids (SCFA), and tryptophan, are involved in the regulation of intestinal absorption and may influence iron status in humans. This review presents the actual data from research studies on the influence of probiotics, prebiotics, and postbiotics on the prevention and therapy of IDA and the latest findings regarding their mechanisms of action. A comparison of the latest research data and theories regarding the role of pre-, post-, and probiotics and the mechanism of their action in anemias is also presented and discussed.
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47
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Barreto HC, Abreu B, Gordo I. Fluctuating selection on bacterial iron regulation in the mammalian gut. Curr Biol 2022; 32:3261-3275.e4. [PMID: 35793678 DOI: 10.1016/j.cub.2022.06.017] [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: 01/14/2022] [Revised: 04/27/2022] [Accepted: 06/08/2022] [Indexed: 10/17/2022]
Abstract
Iron is critical in host-microbe interactions, and its availability is tightly regulated in the mammalian gut. Antibiotics and inflammation can perturb iron availability in the gut, which could alter host-microbe interactions. Here, we show that an adaptive allele of iscR, a major regulator of iron homeostasis of Escherichia coli, is under fluctuating selection in the mouse gut. In vivo competitions in immune-competent, immune-compromised, and germ-free mice reveal that the selective pressure on an iscR mutant E. coli is modulated by the presence of antibiotics, the microbiota, and the immune system. In vitro assays show that iron availability is an important mediator of the iscR allele fitness benefits or costs. We identify Lipocalin-2, a host's immune protein that prevents bacterial iron acquisition, as a major host mechanism underlying fluctuating selection of iscR. Our results provide a remarkable example of strong fluctuating selection acting on bacterial iron regulation in the mammalian gut.
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Affiliation(s)
- Hugo C Barreto
- Instituto Gulbenkian de Ciência, Rua da Quinta Grande 6, 2780-156 Oeiras, Portugal.
| | - Beatriz Abreu
- Instituto Gulbenkian de Ciência, Rua da Quinta Grande 6, 2780-156 Oeiras, Portugal
| | - Isabel Gordo
- Instituto Gulbenkian de Ciência, Rua da Quinta Grande 6, 2780-156 Oeiras, Portugal.
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48
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Drapela S, Ilter D, Gomes AP. Metabolic reprogramming: a bridge between aging and tumorigenesis. Mol Oncol 2022; 16:3295-3318. [PMID: 35666002 PMCID: PMC9490145 DOI: 10.1002/1878-0261.13261] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/07/2022] [Accepted: 05/23/2022] [Indexed: 12/01/2022] Open
Abstract
Aging is the most robust risk factor for cancer development, with more than 60% of cancers occurring in those aged 60 and above. However, how aging and tumorigenesis are intertwined is poorly understood and a matter of significant debate. Metabolic changes are hallmarks of both aging and tumorigenesis. The deleterious consequences of aging include dysfunctional cellular processes, the build‐up of metabolic byproducts and waste molecules in circulation and within tissues, and stiffer connective tissues that impede blood flow and oxygenation. Collectively, these age‐driven changes lead to metabolic reprogramming in different cell types of a given tissue that significantly affects their cellular functions. Here, we put forward the idea that metabolic changes that happen during aging help create a favorable environment for tumorigenesis. We review parallels in metabolic changes that happen during aging and how these changes function both as adaptive mechanisms that enable the development of malignant phenotypes in a cell‐autonomous manner and as mechanisms that suppress immune surveillance, collectively creating the perfect environment for cancers to thrive. Hence, antiaging therapeutic strategies that target the metabolic reprogramming that occurs as we age might provide new opportunities to prevent cancer initiation and/or improve responses to standard‐of‐care anticancer therapies.
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Affiliation(s)
- Stanislav Drapela
- Department of Molecular Oncology, H. Lee Moffit Cancer Center & Research Institute, Tampa, FL, USA
| | - Didem Ilter
- Department of Molecular Oncology, H. Lee Moffit Cancer Center & Research Institute, Tampa, FL, USA
| | - Ana P Gomes
- Department of Molecular Oncology, H. Lee Moffit Cancer Center & Research Institute, Tampa, FL, USA
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49
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Huynh U, Qiao M, King J, Trinh B, Valdez J, Haq M, Zastrow ML. Differential Effects of Transition Metals on Growth and Metal Uptake for Two Distinct Lactobacillus Species. Microbiol Spectr 2022; 10:e0100621. [PMID: 35080431 PMCID: PMC8791193 DOI: 10.1128/spectrum.01006-21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 12/23/2021] [Indexed: 12/12/2022] Open
Abstract
Lactobacillus is a genus of Gram-positive bacteria and comprises a major part of the lactic acid bacteria group that converts sugars to lactic acid. Lactobacillus species found in the gut microbiota are considered beneficial to human health and commonly used in probiotic formulations, but their molecular functions remain poorly defined. Microbes require metal ions for growth and function and must acquire them from the surrounding environment. Therefore, lactobacilli need to compete with other gut microbes for these nutrients, although their metal requirements are not well-understood. Indeed, the abundance of lactobacilli in the microbiota is frequently affected by dietary intake of essential metals like zinc, manganese, and iron, but few studies have investigated the role of metals, especially zinc, in the physiology and metabolism of Lactobacillus species. Here, we investigated metal uptake by quantifying total cellular metal contents and compared how transition metals affect the growth of two distinct Lactobacillus species, Lactobacillus plantarum ATCC 14917 and Lactobacillus acidophilus ATCC 4356. When grown in rich or metal-limited medium, both species took up more manganese, zinc, and iron compared with other transition metals measured. Distinct zinc-, manganese- and iron-dependent patterns were observed in the growth kinetics for these species and while certain levels of each metal promoted the growth kinetics of both Lactobacillus species, the effects depend significantly on the culture medium and growth conditions. IMPORTANCE The gastrointestinal tract contains trillions of microorganisms, which are central to human health. Lactobacilli are considered beneficial microbiota members and are often used in probiotics, but their molecular functions, and especially those which are metal-dependent, remain poorly defined. Abundance of lactobacilli in the microbiota is frequently affected by dietary intake of essential metals like manganese, zinc, and iron, but results are complex, sometimes contradictory, and poorly predictable. There is a significant need to understand how host diet and metabolism will affect the microbiota, given that changes in microbiota composition are linked with disease and infection. The significance of our research is in gaining insight to how metals distinctly affect individual Lactobacillus species, which could lead to novel therapeutics and improved medical treatment. Growth kinetics and quantification of metal contents highlights how distinct species can respond differently to varied metal availability and provide a foundation for future molecular and mechanistic studies.
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Affiliation(s)
- Uyen Huynh
- Department of Chemistry, University of Houston, Houston, Texas, United States
| | - Muxin Qiao
- Department of Chemistry, University of Houston, Houston, Texas, United States
| | - John King
- Department of Chemistry, University of Houston, Houston, Texas, United States
| | - Brittany Trinh
- Department of Chemistry, University of Houston, Houston, Texas, United States
| | - Juventino Valdez
- Department of Chemistry, University of Houston, Houston, Texas, United States
| | - Marium Haq
- Department of Chemistry, University of Houston, Houston, Texas, United States
| | - Melissa L. Zastrow
- Department of Chemistry, University of Houston, Houston, Texas, United States
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50
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Co-Administration of Iron and Bioavailable Curcumin Reduces Levels of Systemic Markers of Inflammation and Oxidative Stress in a Placebo-Controlled Randomised Study. Nutrients 2022; 14:nu14030712. [PMID: 35277071 PMCID: PMC8838381 DOI: 10.3390/nu14030712] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/24/2022] [Accepted: 01/26/2022] [Indexed: 02/04/2023] Open
Abstract
Ferrous sulphate (FS) is widely used as an iron supplement to treat iron deficiency (ID), but is known to induce inflammation causing gastric side-effects resulting in poor adherence to supplement regimens. Curcumin, a potent antioxidant, has been reported to suppress inflammation via down regulation of NF-κB. The aim of the present double blind, placebo-controlled randomised trial was to assess whether co-administration of FS with a formulated, bioavailable form of curcumin (HydroCurc™) could reduce systemic inflammation and/or gastrointestinal side-effects. This study recruited 155 healthy participants (79 males; 26.42 years ± 0.55 and 76 females; 25.82 years ± 0.54), randomly allocated to one of five different treatment groups: iron and curcumin placebo (FS0_Plac), low dose (18 mg) iron and curcumin placebo (FS18_Plac), low dose iron and curcumin (FS18_Curc), high dose (65 mg) iron and curcumin placebo (FS65_Plac), and high dose iron and curcumin (FS65_Curc). Completed questionnaires and blood samples were collected from all participants at baseline (day 1), mid-point (day 21), and at end-point (day 42). Results showed a significant reduction in IL-6 in the FS65_Curc group (0.06 pg/mL ± 0.02, p = 0.0073) between the mid-point and end-point. There was also a significant reduction in mean plasma TNF levels in the FS65_Curc (0.65 pg/mL ± 0.17, p = 0.0018), FS65_Plac (0.39 pg/mL ± 0.15, p = 0.0363), and FS18_Curc (0.35 pg/mL ± 0.13, p = 0.0288) groups from mid-point to end-point. A significant increase was observed in mean plasma TBARS levels (0.10 µM ± 0.04, p = 0.0283) in the F18_Plac group from baseline to end-point. There was a significant association with darker stools between FS0_Plac vs. FS65_Plac (p = 0.002, Fisher's exact test) suggesting that high iron dose in the absence of curcumin leads to darker stools. A reduction in inflammation-related markers in response to co-administering supplemental iron alongside formulated curcumin suggests a reduction in systemic inflammation. This supplementation approach may therefore be a more cost effective and convenient alternative to current oral iron-related treatments, with further research to be conducted.
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