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Tan J, Yang L, Ye M, Geng Y, Guo Y, Zou H, Hou L. Effects of cortisone in zebrafish (Danio rerio): Insights into gut microbiota interactions and molecular mechanisms underlying DNA damage and apoptosis. JOURNAL OF HAZARDOUS MATERIALS 2024; 478:135576. [PMID: 39173371 DOI: 10.1016/j.jhazmat.2024.135576] [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: 06/12/2024] [Revised: 08/16/2024] [Accepted: 08/17/2024] [Indexed: 08/24/2024]
Abstract
Cortisone can enter aquatic ecosystems and pose a risk to organisms therein. However, few studies have explored the effects of cortisone on the gut microbiota of aquatic organisms. Here, we exposed zebrafish (Danio rerio) to cortisone at environmentally relevant concentrations (5.0, 50.0, or 500.0 ng L-1) for 60 days to explore its toxicological effects and their association with gut microbiota changes. The terminal deoxynucleotidyl transferase-mediated dUTP-biotin nick-end labeling assay revealed that exposure to 50 ng L-1 cortisone significantly increased the intestinal cell apoptosis rate, 8-hydroxydeoxyguanosine contents, and caspase-3 and caspase-8 activities. Moreover, the transcriptome analysis results demonstrated a notable downregulation in the expression of most differentially expressed genes associated with apoptosis pathways, as well as changes in DNA replication, oxidative stress, and drug metabolism pathways; these results indicated the occurrence of cortisone-induced stress response in zebrafish. Molecular docking analysis revealed that cortisone can bind to caspase-3 through hydrogen bonds and hydrophobic interactions but that no such interactions occur between cortisone and caspase-8. Thus, cortisone may induce oxidative DNA damage and apoptosis by activating caspase-3. Finally, the 16S rRNA sequencing results demonstrated that cortisone significantly affected microbial community structures and functions in the intestinal ecosystem. These changes may indicate gut microbiota response to cortisone-induced intestinal damage and inflammation. In conclusion, the current results clarify the mechanisms underlying intestinal response to cortisone exposure and provide a basis for evaluating the health risks of cortisone in animals.
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Affiliation(s)
- Jiefeng Tan
- School of Life Sciences, Guangzhou University, Guangzhou 510655, China; School of Marine Sciences, Sun Yat-Sen University, Zhuhai 519082, China
| | - Lihua Yang
- School of Marine Sciences, Sun Yat-Sen University, Zhuhai 519082, China
| | - Meixin Ye
- School of Life Sciences, Guangzhou University, Guangzhou 510655, China
| | - Yuxin Geng
- School of Life Sciences, Guangzhou University, Guangzhou 510655, China
| | - Yanfang Guo
- School of Life Sciences, Guangzhou University, Guangzhou 510655, China
| | - Hong Zou
- School of Life Sciences, Guangzhou University, Guangzhou 510655, China
| | - Liping Hou
- School of Life Sciences, Guangzhou University, Guangzhou 510655, China.
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He Y, Nong Y, Qin J, Feng L, Qin J, Wang Q, Deng L, Tang S, Zhang M, Fan X, Dong M, Wei J, Pan S, Su Z. Protective effects of oyster polypeptide on cyclophosphamide-induced immunosuppressed rats. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:7143-7158. [PMID: 38629663 DOI: 10.1002/jsfa.13537] [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: 04/07/2023] [Revised: 02/26/2024] [Accepted: 04/17/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND Oyster polypeptide (OP) is a mixture of oligopeptides extracted from oysters through enzyme lysis, separation, and purification. It is associated with immunomodulatory effects, but the underlying mechanisms are not known. This study therefore combined proton nuclear magnetic resonance (1H-NMR) urinary metabolomics and 16S rRNA gene sequencing of the gut microbiome to determine the immunoprotective mechanisms of OP in rats subjected to cyclophosphamide-induced immunosuppression. RESULTS Oyster polypeptide restored the body weight and the structure of spleen and thymus in rats with cyclophosphamide-induced immunosuppression. It upregulated the levels of white blood cells (WBCs), hemoglobin (HGB), platelets (PLT), red blood cells (RBCs), immunoglobulin G (IgG), immunoglobulin M (IgM), cytokines such as interleukin‑6 (IL-6) and tumor necrosis factor-α (TNF-α), and increased the numbers of CD3+ and CD4+ T cells in the immunosuppressed rats. The 1H-NMR metabolomics results showed that OP significantly reversed the levels of ten metabolites in urine, including 2-oxoglutarate, citrate, dimethylamine, taurine, N-phenylacetylglycine, alanine, betaine, creatinine, uracil, and benzoate. The 16S rRNA gene sequencing results showed that OP restored the gut microbiome homeostasis by increasing the abundance of beneficial bacteria and reducing the abundance of pathogenic bacteria. Finally, a combination of metabolomics and microbiomics found that the metabolism of taurine and hypotaurine, and the metabolism of alanine, aspartate, and glutamate were disturbed, but these metabolic pathways were restored by OP. CONCLUSION This study demonstrated that OP had immunoprotective effects in rats with cyclophosphamide-induced immunosuppression by restoring key metabolic pathways and the gut microbiome homeostasis. Our findings provide a framework for further research into the immunoregulatory mechanisms of OP and its potential use in drugs and nutritional supplements. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Ying He
- First clinical medical college, Guangxi Medical University, Nanning, China
| | - Yunyuan Nong
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Junliang Qin
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Linlin Feng
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Jinghua Qin
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Qianyi Wang
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Lijun Deng
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Siqi Tang
- First clinical medical college, Guangxi Medical University, Nanning, China
| | - Meiling Zhang
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Xiaofeng Fan
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Min Dong
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Jinbin Wei
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Shihan Pan
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Zhiheng Su
- Pharmaceutical College, Guangxi Medical University, Nanning, China
- Guangxi Key Laboratory of Bioactive Molecules Research and Evaluation, Nanning, China
- Guangxi Beibu Gulf Marine Biomedicine Precision Development and High-value Utilization Engineering Research Center, Nanning, China
- Guangxi Health Commission Key Laboratory of Basic Research on Antigeriatric Drugs, Nanning, China
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Brossier C, Jardou M, Janaszkiewicz A, Firoud D, Petit I, Arnion H, Pinault E, Sauvage FL, Druilhe A, Picard N, Di Meo F, Marquet P, Lawson R. Gut microbiota biotransformation of drug glucuronides leading to gastrointestinal toxicity: Therapeutic potential of bacterial β-glucuronidase inhibition in mycophenolate-induced enteropathy. Life Sci 2024; 351:122792. [PMID: 38857657 DOI: 10.1016/j.lfs.2024.122792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 04/28/2024] [Accepted: 06/04/2024] [Indexed: 06/12/2024]
Abstract
AIMS Drug-induced enteropathy is often associated with the therapeutic use of certain glucuronidated drugs. One such drug is mycophenolic acid (MPA), a well-established immunosuppressant of which gastrointestinal adverse effects are a major concern. The role of bacterial β-glucuronidase (β-G) from the gut microbiota in MPA-induced enteropathy has recently been discovered. Bacterial β-G hydrolyzes MPAG, the glucuronide metabolite of MPA excreted in the bile, leading to the digestive accumulation of MPA that would favor in turn these adverse events. We therefore hypothesized that taming bacterial β-G activity might reduce MPA digestive exposure and prevent its toxicity. MAIN METHODS By using a multiscale approach, we evaluated the effect of increasing concentrations of MPA on intestinal epithelial cells (Caco-2 cell line) viability, proliferation, and migration. Then, we investigated the inhibitory properties of amoxapine, a previously described bacterial β-G inhibitor, by using molecular dynamics simulations, and evaluated its efficiency in blocking MPAG hydrolysis in an Escherichia coli-based β-G activity assay. The pharmacological effect of amoxapine was evaluated in a mouse model. KEY FINDINGS We observed that MPA impairs intestinal epithelial cell homeostasis. Amoxapine efficiently blocks the hydrolysis of MPAG to MPA and significantly reduces digestive exposure to MPA in mice. As a result, administration of amoxapine in MPA-treated mice significantly attenuated gastrointestinal lesions. SIGNIFICANCE Collectively, these results suggest that the digestive accumulation of MPA is involved in the pathophysiology of MPA-gastrointestinal adverse effects. This study provides a proof-of-concept of the therapeutic potential of bacterial β-G inhibitors in glucuronidated drug-induced enteropathy.
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Affiliation(s)
- Clarisse Brossier
- Pharmacology & Transplantation (P&T), INSERM U1248, Université de Limoges, F-87000 Limoges, France
| | - Manon Jardou
- Pharmacology & Transplantation (P&T), INSERM U1248, Université de Limoges, F-87000 Limoges, France
| | - Angelika Janaszkiewicz
- Pharmacology & Transplantation (P&T), INSERM U1248, Université de Limoges, F-87000 Limoges, France
| | - Djouher Firoud
- Pharmacology & Transplantation (P&T), INSERM U1248, Université de Limoges, F-87000 Limoges, France
| | - Isy Petit
- Pharmacology & Transplantation (P&T), INSERM U1248, Université de Limoges, F-87000 Limoges, France
| | - Hélène Arnion
- Pharmacology & Transplantation (P&T), INSERM U1248, Université de Limoges, F-87000 Limoges, France
| | - Emilie Pinault
- Pharmacology & Transplantation (P&T), INSERM U1248, Université de Limoges, F-87000 Limoges, France
| | - François-Ludovic Sauvage
- Pharmacology & Transplantation (P&T), INSERM U1248, Université de Limoges, F-87000 Limoges, France
| | - Anne Druilhe
- Pharmacology & Transplantation (P&T), INSERM U1248, Université de Limoges, F-87000 Limoges, France
| | - Nicolas Picard
- Pharmacology & Transplantation (P&T), INSERM U1248, Université de Limoges, F-87000 Limoges, France; Department of Pharmacology, Toxicology and Pharmacovigilance, CHU Limoges, F-87000 Limoges, France
| | - Florent Di Meo
- Pharmacology & Transplantation (P&T), INSERM U1248, Université de Limoges, F-87000 Limoges, France
| | - Pierre Marquet
- Pharmacology & Transplantation (P&T), INSERM U1248, Université de Limoges, F-87000 Limoges, France; Department of Pharmacology, Toxicology and Pharmacovigilance, CHU Limoges, F-87000 Limoges, France
| | - Roland Lawson
- Pharmacology & Transplantation (P&T), INSERM U1248, Université de Limoges, F-87000 Limoges, France.
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Chen Z, Chang X, Ye Q, Gao Y, Deng R. Kidney transplantation and gut microbiota. Clin Kidney J 2024; 17:sfae214. [PMID: 39170931 PMCID: PMC11336673 DOI: 10.1093/ckj/sfae214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Indexed: 08/23/2024] Open
Abstract
Kidney transplantation is an effective way to improve the condition of patients with end-stage renal disease. However, maintaining long-term graft function and improving patient survival remain a key challenge after kidney transplantation. Dysbiosis of intestinal flora has been reported to be associated with complications in renal transplant recipients. The commensal microbiota plays an important role in the immunomodulation of the transplant recipient responses. However, several processes, such as the use of perioperative antibiotics and high-dose immunosuppressants in renal transplant recipients, can lead to gut dysbiosis and disrupt the interaction between the microbiota and the host immune responses, which in turn can lead to complications such as infection and rejection in organ recipients. In this review, we summarize and discuss the changes in intestinal flora and their influencing factors in patients after renal transplantation as well as the evidence related to the impact of intestinal dysbiosis on the prognosis of renal transplantation from in vivo and clinical studies, and conclude with a discussion of the use of microbial therapy in the transplant population. Hopefully, a deeper understanding of the function and composition of the microbiota in patients after renal transplantation may assist in the development of clinical strategies to restore a normal microbiota and facilitate the clinical management of grafts in the future.
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Affiliation(s)
- Zehuan Chen
- Organ Transplantation Center, Sun Yat-sen University First Affiliated Hospital
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Sun Yat-sen University First Affiliated Hospital
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), Sun Yat-sen University First Affiliated Hospital
| | - Xinhua Chang
- Organ Transplantation Center, Sun Yat-sen University First Affiliated Hospital
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Sun Yat-sen University First Affiliated Hospital
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), Sun Yat-sen University First Affiliated Hospital
| | - Qianyu Ye
- Organ Transplantation Center, Sun Yat-sen University First Affiliated Hospital
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Sun Yat-sen University First Affiliated Hospital
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), Sun Yat-sen University First Affiliated Hospital
| | - Yifang Gao
- Organ Transplantation Center, Sun Yat-sen University First Affiliated Hospital
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Sun Yat-sen University First Affiliated Hospital
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), Sun Yat-sen University First Affiliated Hospital
| | - Ronghai Deng
- Organ Transplantation Center, Sun Yat-sen University First Affiliated Hospital
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Sun Yat-sen University First Affiliated Hospital
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), Sun Yat-sen University First Affiliated Hospital
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Davido B, Watson AR, de Truchis P, Galazzo G, Dinh A, Batista R, Terveer EM, Lawrence C, Michelon H, Jobard M, Saleh-Mghir A, Kuijper EJ, Caballero S. Bacterial diversity and specific taxa are associated with decolonization of carbapenemase-producing enterobacterales after fecal microbiota transplantation. J Infect 2024; 89:106216. [PMID: 38964511 DOI: 10.1016/j.jinf.2024.106216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 06/24/2024] [Accepted: 06/25/2024] [Indexed: 07/06/2024]
Abstract
OBJECTIVES We evaluated the effect of fecal microbiota transplantation (FMT) on the clearance of carbapenemase-producing Enterobacterales (CPE) carriage. METHODS We performed a prospective, multi-center study, conducted among patients who received a single dose of FMT from one of four healthy donors. The primary endpoint was complete clearance of CPE carriage two weeks after FMT with a secondary endpoint at three months. Shotgun metagenomic sequencing was performed to assess gut microbiota composition of donors and recipients before and after FMT. RESULTS Twenty CPE-colonized patients were included in the study, where post-FMT 20% (n = 4/20) of patients met the primary endpoint and 40% (n = 8/20) of patients met the secondary endpoint. Kaplan-Meier curves between patients with FMT intervention and the control group (n = 82) revealed a similar rate of decolonization between groups. Microbiota composition analyses revealed that response to FMT was not donor-dependent. Responders had a significantly lower relative abundance of CPE species pre-FMT than non-responders, and 14 days post-FMT responders had significantly higher bacterial species richness and alpha diversity compared to non-responders (p < 0.05). Responder fecal samples were also enriched in specific species, with significantly higher relative abundances of Faecalibacterium prausnitzii, Parabacteroides distasonis, Collinsella aerofaciens, Alistipes finegoldii and Blautia_A sp900066335 (q<0.01) compared to non-responders. CONCLUSION FMT administration using the proposed regimen did not achieve statistical significance for complete CPE decolonization but was correlated with the relative abundance of specific bacterial taxa, including CPE species.
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Affiliation(s)
- Benjamin Davido
- Maladies Infectieuses, Hôpital Universitaire Raymond-Poincaré, AP-HP Université Paris Saclay, 92380 Garches, France; FHU PaCeMM, Hôpital Saint-Antoine, AP-HP Université Paris Centre, 75571 Paris Cedex 12, France.
| | | | - Pierre de Truchis
- Maladies Infectieuses, Hôpital Universitaire Raymond-Poincaré, AP-HP Université Paris Saclay, 92380 Garches, France
| | | | - Aurelien Dinh
- Maladies Infectieuses, Hôpital Universitaire Raymond-Poincaré, AP-HP Université Paris Saclay, 92380 Garches, France; FHU PaCeMM, Hôpital Saint-Antoine, AP-HP Université Paris Centre, 75571 Paris Cedex 12, France
| | - Rui Batista
- Pharmacie Hospitalière, Hôpital Universitaire Cochin, AP-HP, 75014 Paris, France
| | - Elisabeth M Terveer
- Department of Medical Microbiology, Netherlands Donor Feces Bank (NDFB) at Leiden University Medical Center, Leiden, the Netherlands
| | - Christine Lawrence
- Laboratoire de Microbiologie, Hôpital Universitaire Raymond-Poincaré, AP-HP Université Paris Saclay, 92380 Garches, France
| | - Hugues Michelon
- Pharmacie Hospitalière, Hôpital Universitaire Raymond-Poincaré, AP-HP Université Paris Saclay, 92380 Garches, France
| | - Marion Jobard
- Pharmacie Hospitalière, Hôpital Universitaire Cochin, AP-HP, 75014 Paris, France
| | - Azzam Saleh-Mghir
- Maladies Infectieuses, Hôpital Universitaire Raymond-Poincaré, AP-HP Université Paris Saclay, 92380 Garches, France; UMR1173, Université Versailles Saint-Quentin, 78000 Versailles, France
| | - Ed J Kuijper
- Department of Medical Microbiology, Netherlands Donor Feces Bank (NDFB) at Leiden University Medical Center, Leiden, the Netherlands
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Dong H, Wang W, Chen Q, Chang X, Wang L, Chen S, Chen L, Wang R, Ge S, Xiong W. Effects of Lactoferrin and Lactobacillus Supplementation on Immune Function, Oxidative Stress, and Gut Microbiota in Kittens. Animals (Basel) 2024; 14:1949. [PMID: 38998061 PMCID: PMC11240779 DOI: 10.3390/ani14131949] [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: 06/06/2024] [Revised: 06/27/2024] [Accepted: 06/28/2024] [Indexed: 07/14/2024] Open
Abstract
Immune deficiency is a prevalent issue among kittens, severely threatening their health and development by increasing susceptibility to infections and diseases. This study investigates the effects of dietary supplements containing lactoferrin and Lactobacillus plantarum (L. plantarum) on the immune function, intestinal health, and microbiota composition of kittens. The results demonstrate that these supplements significantly enhance immune responses, with immunoglobulin A (IgA) levels increasing by 14.9% and IgG levels by 14.2%. Additionally, there was a notable 28.7% increase in catalase activity, indicating a reduction in oxidative stress. Gastrointestinal (GI) health improved markedly, evidenced by increased populations of beneficial bacteria such as Lactobacillus, which rose from 4.13% to 79.03% over the study period. The DNC group also showed significant reductions in pro-inflammatory cytokines, including decreases of 13.94% in IL-2, 26.46% in TNF-α, and 19.45% in IFN-γ levels. Furthermore, improvements in physical conditions were observed, including enhanced coat condition and mental status. These findings underline the potential of lactoferrin and L. plantarum as effective dietary interventions to improve kitten health, thereby reducing dependency on antibiotics and mitigating associated risks. This research provides a scientific foundation for optimizing nutritional management practices to enhance the overall vitality of kittens during their critical growth phases.
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Affiliation(s)
- Hao Dong
- Food Laboratory of Zhongyuan, Luohe 462300, China; (H.D.); (W.W.); (Q.C.); (X.C.); (S.C.); (L.C.)
| | - Weiwei Wang
- Food Laboratory of Zhongyuan, Luohe 462300, China; (H.D.); (W.W.); (Q.C.); (X.C.); (S.C.); (L.C.)
- Henan Zhiyuan Henuo Technology Co., Ltd., Luohe 462300, China;
| | - Qianqian Chen
- Food Laboratory of Zhongyuan, Luohe 462300, China; (H.D.); (W.W.); (Q.C.); (X.C.); (S.C.); (L.C.)
| | - Xiaohan Chang
- Food Laboratory of Zhongyuan, Luohe 462300, China; (H.D.); (W.W.); (Q.C.); (X.C.); (S.C.); (L.C.)
| | - Longjiao Wang
- Henan Zhiyuan Henuo Technology Co., Ltd., Luohe 462300, China;
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China; (R.W.); (S.G.)
| | - Shuxing Chen
- Food Laboratory of Zhongyuan, Luohe 462300, China; (H.D.); (W.W.); (Q.C.); (X.C.); (S.C.); (L.C.)
| | - Lishui Chen
- Food Laboratory of Zhongyuan, Luohe 462300, China; (H.D.); (W.W.); (Q.C.); (X.C.); (S.C.); (L.C.)
| | - Ran Wang
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China; (R.W.); (S.G.)
| | - Shaoyang Ge
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China; (R.W.); (S.G.)
| | - Wei Xiong
- Food Laboratory of Zhongyuan, Luohe 462300, China; (H.D.); (W.W.); (Q.C.); (X.C.); (S.C.); (L.C.)
- Henan Zhiyuan Henuo Technology Co., Ltd., Luohe 462300, China;
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Fan Y, Wang Y, Xiao H, Sun H. Advancements in understanding the role of intestinal dysbacteriosis mediated mucosal immunity in IgA nephropathy. BMC Nephrol 2024; 25:203. [PMID: 38907188 PMCID: PMC11191200 DOI: 10.1186/s12882-024-03646-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Accepted: 06/18/2024] [Indexed: 06/23/2024] Open
Abstract
IgA nephropathy, presently recognized as the foremost primary glomerular disorder, emerges as a principal contributor to renal failure globally, with its pathogenesis yet to be fully elucidated. Extensive research has highlighted the critical role of gut microbiome in the onset and progression of IgA nephropathy, underscoring its importance in accurately delineating the disease's etiology. For example, gut microbiome dysbacteriosis can lead to the production of nephritogenic IgA1 antibodies, which form immune complexes that deposit in the kidneys, causing inflammation and damage. The gut microbiome, a source of numerous bioactive compounds, interacts with the host and plays a regulatory role in gut-immune axis modulation, earning it the moniker of the "second brain." Recent investigations have particularly emphasized a significant correlation between IgA nephropathy and gut microbiome dysbacteriosis. This article offers a detailed overview of the pathogenic mechanisms of IgA nephropathy, specifically focusing on elucidating how alterations in the gut microbiome are associated with anomalies in the intestinal mucosal system in IgA nephropathy. Additionally, it describes the possible influence of gut microbiome on recurrent IgA nephropathy following kidney transplantation. Furthermore, it compiles potential therapeutic interventions, offering both theoretical and practical foundations for the management of IgA nephropathy. Lastly, the challenges currently faced in the therapeutic approaches to IgA nephropathy are discussed.
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Affiliation(s)
- Yitao Fan
- The Second Clinical Medical College of Lanzhou University, Lanzhou, 730030, Gansu, China
- Cuiying Biomedical Research Center, Lanzhou University Second Hospital, Lanzhou, 730030, Gansu, China
| | - Yan Wang
- The Second Clinical Medical College of Lanzhou University, Lanzhou, 730030, Gansu, China
- Cuiying Biomedical Research Center, Lanzhou University Second Hospital, Lanzhou, 730030, Gansu, China
| | - Han Xiao
- The Second Clinical Medical College of Lanzhou University, Lanzhou, 730030, Gansu, China
- Cuiying Biomedical Research Center, Lanzhou University Second Hospital, Lanzhou, 730030, Gansu, China
| | - Hui Sun
- The Second Clinical Medical College of Lanzhou University, Lanzhou, 730030, Gansu, China.
- Cuiying Biomedical Research Center, Lanzhou University Second Hospital, Lanzhou, 730030, Gansu, China.
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8
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Assimakopoulos SF, Bhagani S, Aggeletopoulou I, Tsounis EP, Tsochatzis EA. The role of gut barrier dysfunction in postoperative complications in liver transplantation: pathophysiological and therapeutic considerations. Infection 2024; 52:723-736. [PMID: 38324146 PMCID: PMC11143052 DOI: 10.1007/s15010-024-02182-4] [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: 11/29/2023] [Accepted: 01/11/2024] [Indexed: 02/08/2024]
Abstract
PURPOSE Gut barrier dysfunction is a pivotal pathophysiological alteration in cirrhosis and end-stage liver disease, which is further aggravated during and after the operational procedures for liver transplantation (LT). In this review, we analyze the multifactorial disruption of all major levels of defense of the gut barrier (biological, mechanical, and immunological) and correlate with clinical implications. METHODS A narrative review of the literature was performed using PubMed, PubMed Central and Google from inception until November 29th, 2023. RESULTS Systemic translocation of indigenous bacteria through this dysfunctional barrier contributes to the early post-LT infectious complications, while endotoxin translocation, through activation of the systemic inflammatory response, is implicated in non-infectious complications including renal dysfunction and graft rejection. Bacterial infections are the main cause of early in-hospital mortality of LT patients and unraveling the pathophysiology of gut barrier failure is of outmost importance. CONCLUSION A pathophysiology-based approach to prophylactic or therapeutic interventions may lead to enhancement of gut barrier function eliminating its detrimental consequences and leading to better outcomes for LT patients.
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Affiliation(s)
- Stelios F Assimakopoulos
- Division of Infectious Diseases, Department of Internal Medicine, Medical School, University of Patras, University Hospital of Patras, Rion, 26504, Patras, Greece.
| | - Sanjay Bhagani
- Department of Infectious Diseases/HIV Medicine, Royal Free Hospital, London, UK
| | - Ioanna Aggeletopoulou
- Division of Gastroenterology, Department of Internal Medicine, University Hospital of Patras, Patras, Greece
| | - Efthymios P Tsounis
- Division of Gastroenterology, Department of Internal Medicine, University Hospital of Patras, Patras, Greece
| | - Emmanuel A Tsochatzis
- UCL Institute for Liver and Digestive Health, Royal Free Hospital and UCL, London, UK
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9
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Salvadori M, Rosso G. Update on the reciprocal interference between immunosuppressive therapy and gut microbiota after kidney transplantation. World J Transplant 2024; 14:90194. [PMID: 38576749 PMCID: PMC10989467 DOI: 10.5500/wjt.v14.i1.90194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 12/22/2023] [Accepted: 12/29/2023] [Indexed: 03/15/2024] Open
Abstract
Gut microbiota is often modified after kidney transplantation. This principally happens in the first period after transplantation. Antibiotics and, most of all, immunosuppressive drugs are the main responsible. The relationship between immunosuppressive drugs and the gut microbiota is bilateral. From one side immunosuppressive drugs modify the gut microbiota, often generating dysbiosis; from the other side microbiota may interfere with the immunosuppressant pharmacokinetics, producing products more or less active with respect to the original drug. These phenomena have influence over the graft outcomes and clinical consequences as rejections, infections, diarrhea may be caused by the dysbiotic condition. Corticosteroids, calcineurin inhibitors such as tacrolimus and cyclosporine, mycophenolate mofetil and mTOR inhibitors are the immunosuppressive drugs whose effect on the gut microbiota is better known. In contrast is well known how the gut microbiota may interfere with glucocorticoids, which may be transformed into androgens. Tacrolimus may be transformed by micro biota into a product called M1 that is 15-fold less active with respect to tacrolimus. The pro-drug mycophenolate mofetil is normally transformed in mycophenolic acid that according the presence or not of microbes producing the enzyme glu curonidase, may be transformed into the inactive product.
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Affiliation(s)
- Maurizio Salvadori
- Department of Renal Transplantation, Careggi University Hospital, Florence 50139, Tuscany, Italy
| | - Giuseppina Rosso
- Division of Nephrology, San Giovanni di Dio Hospital, Florence 50143, Toscana, Italy
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10
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Ma B, Gavzy SJ, France M, Song Y, Lwin HW, Kensiski A, Saxena V, Piao W, Lakhan R, Iyyathurai J, Li L, Paluskievicz C, Wu L, WillsonShirkey M, Mongodin EF, Mas VR, Bromberg JS. Rapid intestinal and systemic metabolic reprogramming in an immunosuppressed environment. BMC Microbiol 2023; 23:394. [PMID: 38066426 PMCID: PMC10709923 DOI: 10.1186/s12866-023-03141-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 11/30/2023] [Indexed: 12/18/2023] Open
Abstract
Intrinsic metabolism shapes the immune environment associated with immune suppression and tolerance in settings such as organ transplantation and cancer. However, little is known about the metabolic activities in an immunosuppressive environment. In this study, we employed metagenomic, metabolomic, and immunological approaches to profile the early effects of the immunosuppressant drug tacrolimus, antibiotics, or both in gut lumen and circulation using a murine model. Tacrolimus induced rapid and profound alterations in metabolic activities within two days of treatment, prior to alterations in gut microbiota composition and structure. The metabolic profile and gut microbiome after seven days of treatment was distinct from that after two days of treatment, indicating continuous drug effects on both gut microbial ecosystem and host metabolism. The most affected taxonomic groups are Clostriales and Verrucomicrobiae (i.e., Akkermansia muciniphila), and the most affected metabolic pathways included a group of interconnected amino acids, bile acid conjugation, glucose homeostasis, and energy production. Highly correlated metabolic changes were observed between lumen and serum metabolism, supporting their significant interactions. Despite a small sample size, this study explored the largely uncharacterized microbial and metabolic events in an immunosuppressed environment and demonstrated that early changes in metabolic activities can have significant implications that may serve as antecedent biomarkers of immune activation or quiescence. To understand the intricate relationships among gut microbiome, metabolic activities, and immune cells in an immune suppressed environment is a prerequisite for developing strategies to monitor and optimize alloimmune responses that determine transplant outcomes.
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Affiliation(s)
- Bing Ma
- Institute of Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, 21201, USA.
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD, 21201, USA.
| | - Samuel J Gavzy
- Department of Surgery, University of Maryland Medical Center, Baltimore, MD, 21201, USA
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Michael France
- Institute of Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Yang Song
- Institute of Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Hnin Wai Lwin
- Institute of Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Allison Kensiski
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Vikas Saxena
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Wenji Piao
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Ram Lakhan
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Jegan Iyyathurai
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Lushen Li
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Christina Paluskievicz
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Long Wu
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Marina WillsonShirkey
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Emmanuel F Mongodin
- Institute of Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
- Division of Lung Diseases, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Valeria R Mas
- Department of Surgery, University of Maryland Medical Center, Baltimore, MD, 21201, USA
| | - Jonathan S Bromberg
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD, 21201, USA.
- Department of Surgery, University of Maryland Medical Center, Baltimore, MD, 21201, USA.
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD, 21201, USA.
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11
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Poto R, Laniro G, de Paulis A, Spadaro G, Marone G, Gasbarrini A, Varricchi G. Is there a role for microbiome-based approach in common variable immunodeficiency? Clin Exp Med 2023; 23:1981-1998. [PMID: 36737487 PMCID: PMC9897624 DOI: 10.1007/s10238-023-01006-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 01/18/2023] [Indexed: 02/05/2023]
Abstract
Common variable immunodeficiency (CVID) is a primary immunodeficiency characterized by low levels of serum immunoglobulins and increased susceptibility to infections, autoimmune disorders and cancer. CVID embraces a plethora of heterogeneous manifestations linked to complex immune dysregulation. While CVID is thought to be due to genetic defects, the exact cause of this immune disorder is unknown in the large majority of cases. Compelling evidences support a linkage between the gut microbiome and the CVID pathogenesis, therefore a potential for microbiome-based treatments to be a therapeutic pathway for this disorder. Here we discuss the potential of treating CVID patients by developing a gut microbiome-based personalized approach, including diet, prebiotics, probiotics, postbiotics and fecal microbiota transplantation. We also highlight the need for a better understanding of microbiota-host interactions in CVID patients to prime the development of improved preventive strategies and specific therapeutic targets.
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Affiliation(s)
- Remo Poto
- Department of Translational Medical Sciences, University of Naples Federico II, 80131, Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131, Naples, Italy
- World Allergy Organization (WAO), Center of Excellence, 80131, Naples, Italy
- Department of Oncology and Molecular Medicine, Istituto Superiore Di Sanità (ISS), Rome, Italy
| | - Gianluca Laniro
- Digestive Disease Center, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
- Department of Translational Medicine and Surgery, Catholic University of Rome, Rome, Italy
| | - Amato de Paulis
- Department of Translational Medical Sciences, University of Naples Federico II, 80131, Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131, Naples, Italy
- World Allergy Organization (WAO), Center of Excellence, 80131, Naples, Italy
| | - Giuseppe Spadaro
- Department of Translational Medical Sciences, University of Naples Federico II, 80131, Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131, Naples, Italy
- World Allergy Organization (WAO), Center of Excellence, 80131, Naples, Italy
| | - Gianni Marone
- Department of Translational Medical Sciences, University of Naples Federico II, 80131, Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131, Naples, Italy
- World Allergy Organization (WAO), Center of Excellence, 80131, Naples, Italy
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, 80131, Naples, Italy
| | - Antonio Gasbarrini
- Digestive Disease Center, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
- Department of Translational Medicine and Surgery, Catholic University of Rome, Rome, Italy
| | - Gilda Varricchi
- Department of Translational Medical Sciences, University of Naples Federico II, 80131, Naples, Italy.
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131, Naples, Italy.
- World Allergy Organization (WAO), Center of Excellence, 80131, Naples, Italy.
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, 80131, Naples, Italy.
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12
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O’Reilly C, Mills S, Rea MC, Lavelle A, Ghosh S, Hill C, Ross RP. Interplay between inflammatory bowel disease therapeutics and the gut microbiome reveals opportunities for novel treatment approaches. MICROBIOME RESEARCH REPORTS 2023; 2:35. [PMID: 37849974 PMCID: PMC7615213 DOI: 10.20517/mrr.2023.41] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/19/2023] [Accepted: 09/22/2023] [Indexed: 10/19/2023]
Abstract
Inflammatory bowel disease (IBD) is a complex heterogeneous disorder defined by recurring chronic inflammation of the gastrointestinal tract, attributed to a combination of factors including genetic susceptibility, altered immune response, a shift in microbial composition/microbial insults (infection/exposure), and environmental influences. Therapeutics generally used to treat IBD mainly focus on the immune response and include non-specific anti-inflammatory and immunosuppressive therapeutics and targeted therapeutics aimed at specific components of the immune system. Other therapies include exclusive enteral nutrition and emerging stem cell therapies. However, in recent years, scientists have begun to examine the interplay between these therapeutics and the gut microbiome, and we present this information here. Many of these therapeutics are associated with alterations to gut microbiome composition and functionality, often driving it toward a "healthier profile" and preclinical studies have revealed that such alterations can play an important role in therapeutic efficacy. The gut microbiome can also improve or hinder IBD therapeutic efficacy or generate undesirable metabolites. For certain IBD therapeutics, the microbiome composition, particularly before treatment, may serve as a biomarker of therapeutic efficacy. Utilising this information and manipulating the interactions between the gut microbiome and IBD therapeutics may enhance treatment outcomes in the future and bring about new opportunities for personalised, precision medicine.
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Affiliation(s)
- Catherine O’Reilly
- Food Biosciences Department, Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork P61C996, Ireland
- Microbiology Department, University College Cork, Co. Cork T12TP07, Ireland
- APC Microbiome Ireland, University College Cork, Co. Cork T12YT20, Ireland
- Authors contributed equally
| | - Susan Mills
- APC Microbiome Ireland, University College Cork, Co. Cork T12YT20, Ireland
- Authors contributed equally
| | - Mary C. Rea
- Food Biosciences Department, Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork P61C996, Ireland
- APC Microbiome Ireland, University College Cork, Co. Cork T12YT20, Ireland
| | - Aonghus Lavelle
- APC Microbiome Ireland, University College Cork, Co. Cork T12YT20, Ireland
| | - Subrata Ghosh
- APC Microbiome Ireland, University College Cork, Co. Cork T12YT20, Ireland
| | - Colin Hill
- Microbiology Department, University College Cork, Co. Cork T12TP07, Ireland
- APC Microbiome Ireland, University College Cork, Co. Cork T12YT20, Ireland
| | - R. Paul Ross
- Microbiology Department, University College Cork, Co. Cork T12TP07, Ireland
- APC Microbiome Ireland, University College Cork, Co. Cork T12YT20, Ireland
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13
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Ma B, Gavzy SJ, France M, Song Y, Lwin HW, Kensiski A, Saxena V, Piao W, Lakhan R, Iyyathurai J, Li L, Paluskievicz C, Wu L, WillsonShirkey M, Mongodin EF, Mas VR, Bromberg J. Rapid intestinal and systemic metabolic reprogramming in an immunosuppressed environment. RESEARCH SQUARE 2023:rs.3.rs-3364037. [PMID: 37790403 PMCID: PMC10543476 DOI: 10.21203/rs.3.rs-3364037/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Intrinsic metabolism shapes the immune environment associated with immune suppression and tolerance in settings such as organ transplantation and cancer. However, little is known about the metabolic activities in an immunosuppressive environment. In this study, we employed metagenomic, metabolomic, and immunological approaches to profile the early effects of the immunosuppressant drug tacrolimus, antibiotics, or both in gut lumen and circulation using a murine model. Tacrolimus induced rapid and profound alterations in metabolic activities within two days of treatment, prior to alterations in gut microbiota composition and structure. The metabolic profile and gut microbiome after seven days of treatment was distinct from that after two days of treatment, indicating continuous drug effects on both gut microbial ecosystem and host metabolism. The most affected taxonomic groups are Clostriales and Verrucomicrobiae (i.e., Akkermansia muciniphila), and the most affected metabolic pathways included a group of interconnected amino acids, bile acid conjugation, glucose homeostasis, and energy production. Highly correlated metabolic changes were observed between lumen and serum metabolism, supporting their significant interactions. Despite a small sample size, this study explored the largely uncharacterized microbial and metabolic events in an immunosuppressed environment and demonstrated that early changes in metabolic activities can have significant implications that may serve as antecedent biomarkers of immune activation or quiescence. To understand the intricate relationships among gut microbiome, metabolic activities, and immune cells in an immune suppressed environment is a prerequisite for developing strategies to monitor and optimize alloimmune responses that determine transplant outcomes.
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Affiliation(s)
- Bing Ma
- University of Maryland, Baltimore
| | | | | | | | | | | | | | | | | | | | | | | | - Long Wu
- University of Maryland, Baltimore
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14
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Manes A, Di Renzo T, Dodani L, Reale A, Gautiero C, Di Lauro M, Nasti G, Manco F, Muscariello E, Guida B, Tarantino G, Cataldi M. Pharmacomicrobiomics of Classical Immunosuppressant Drugs: A Systematic Review. Biomedicines 2023; 11:2562. [PMID: 37761003 PMCID: PMC10526314 DOI: 10.3390/biomedicines11092562] [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: 08/29/2023] [Revised: 09/13/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023] Open
Abstract
The clinical response to classical immunosuppressant drugs (cIMDs) is highly variable among individuals. We performed a systematic review of published evidence supporting the hypothesis that gut microorganisms may contribute to this variability by affecting cIMD pharmacokinetics, efficacy or tolerability. The evidence that these drugs affect the composition of intestinal microbiota was also reviewed. The PubMed and Scopus databases were searched using specific keywords without limits of species (human or animal) or time from publication. One thousand and fifty five published papers were retrieved in the initial database search. After screening, 50 papers were selected to be reviewed. Potential effects on cIMD pharmacokinetics, efficacy or tolerability were observed in 17/20 papers evaluating this issue, in particular with tacrolimus, cyclosporine, mycophenolic acid and corticosteroids, whereas evidence was missing for everolimus and sirolimus. Only one of the papers investigating the effect of cIMDs on the gut microbiota reported negative results while all the others showed significant changes in the relative abundance of specific intestinal bacteria. However, no unique pattern of microbiota modification was observed across the different studies. In conclusion, the available evidence supports the hypothesis that intestinal microbiota could contribute to the variability in the response to some cIMDs, whereas data are still missing for others.
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Affiliation(s)
- Annalaura Manes
- Section of Pharmacology, Department of Neuroscience, Reproductive Sciences and Dentistry, Federico II University of Naples, 80131 Naples, Italy; (A.M.); (L.D.); (F.M.)
| | - Tiziana Di Renzo
- Institute of Food Sciences, National Research Council, 83100 Avellino, Italy; (T.D.R.); (A.R.)
| | - Loreta Dodani
- Section of Pharmacology, Department of Neuroscience, Reproductive Sciences and Dentistry, Federico II University of Naples, 80131 Naples, Italy; (A.M.); (L.D.); (F.M.)
| | - Anna Reale
- Institute of Food Sciences, National Research Council, 83100 Avellino, Italy; (T.D.R.); (A.R.)
| | - Claudia Gautiero
- Physiology Nutrition Unit, Department of Clinical Medicine and Surgery, Federico II University of Naples, 80131 Naples, Italy; (C.G.); (M.D.L.); (G.N.); (B.G.)
| | - Mariastella Di Lauro
- Physiology Nutrition Unit, Department of Clinical Medicine and Surgery, Federico II University of Naples, 80131 Naples, Italy; (C.G.); (M.D.L.); (G.N.); (B.G.)
| | - Gilda Nasti
- Physiology Nutrition Unit, Department of Clinical Medicine and Surgery, Federico II University of Naples, 80131 Naples, Italy; (C.G.); (M.D.L.); (G.N.); (B.G.)
| | - Federica Manco
- Section of Pharmacology, Department of Neuroscience, Reproductive Sciences and Dentistry, Federico II University of Naples, 80131 Naples, Italy; (A.M.); (L.D.); (F.M.)
| | - Espedita Muscariello
- Nutrition Unit, Department of Prevention, Local Health Authority Napoli 3 Sud, 80059 Naples, Italy;
| | - Bruna Guida
- Physiology Nutrition Unit, Department of Clinical Medicine and Surgery, Federico II University of Naples, 80131 Naples, Italy; (C.G.); (M.D.L.); (G.N.); (B.G.)
| | - Giovanni Tarantino
- Department of Clinical Medicine and Surgery, Federico II University of Naples, 80131 Naples, Italy;
| | - Mauro Cataldi
- Section of Pharmacology, Department of Neuroscience, Reproductive Sciences and Dentistry, Federico II University of Naples, 80131 Naples, Italy; (A.M.); (L.D.); (F.M.)
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15
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Mocanu A, Bogos RA, Lazaruc TI, Trandafir LM, Lupu VV, Ioniuc I, Alecsa M, Ivanov A, Lupu A, Starcea IM. Exploring a Complex Interplay: Kidney-Gut Axis in Pediatric Chronic Kidney Disease. Nutrients 2023; 15:3609. [PMID: 37630799 PMCID: PMC10457891 DOI: 10.3390/nu15163609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/10/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
The human intestinal microbiota is a highly intricate structure with a crucial role in promoting health and preventing disease. It consists of diverse microbial communities that inhabit the gut and contribute to essential functions such as food digestion, nutrient synthesis, and immune system development. The composition and function of the gut microbiota are influenced by a variety of factors, including diet, host genetics, and environmental features. In pediatric patients, the gut microbiota is particularly dynamic and vulnerable to disruption from endogenous and exogenous factors. Recent research has focused on understanding the interaction between the gut and kidneys. In individuals with chronic kidney disease, there is often a significant disturbance in the gut microbiota. This imbalance can be attributed to factors like increased levels of harmful toxins from the gut entering the bloodstream, inflammation, and oxidative stress. This review looks at what is known about the link between a child's gut-kidney axis, how dysbiosis, or an imbalance in the microbiome, affects chronic kidney disease, and what treatments, both pharmaceutical and non-pharmaceutical, are available for this condition.
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Affiliation(s)
- Adriana Mocanu
- Pediatrics Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
- Nephrology Division, St. Mary’s Emergency Children Hospital, 700309 Iasi, Romania
| | - Roxana Alexandra Bogos
- Pediatrics Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Tudor Ilie Lazaruc
- Pediatrics Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Laura Mihaela Trandafir
- Pediatrics Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Vasile Valeriu Lupu
- Pediatrics Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Ileana Ioniuc
- Pediatrics Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Mirabela Alecsa
- Pediatrics Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Anca Ivanov
- Pediatrics Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Ancuta Lupu
- Pediatrics Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Iuliana Magdalena Starcea
- Pediatrics Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
- Nephrology Division, St. Mary’s Emergency Children Hospital, 700309 Iasi, Romania
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16
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Olek K, Kuczaj AA, Warwas S, Hrapkowicz T, Przybyłowski P, Tanasiewicz M. Gut Microbiome in Patients after Heart Transplantation-Current State of Knowledge. Biomedicines 2023; 11:1588. [PMID: 37371683 DOI: 10.3390/biomedicines11061588] [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: 03/31/2023] [Revised: 05/13/2023] [Accepted: 05/27/2023] [Indexed: 06/29/2023] Open
Abstract
The human gut microbiota include over 10 trillion microorganisms, such as bacteria, fungi, viruses, archaea, and protozoa. Many reports indicate the strong correlation between dysbiosis and the severity of cardiovascular diseases. Microbiota seem to interact with the host's alloimmunity and may have an immunomodulatory role in graft rejection processes. In our study, we present the current state of the knowledge of microbiota in heart transplant recipients. We present up-to-date microbiota diagnostic methods, interactions between microbiota and immunosuppressive drugs, the immunomodulatory effects of dysbiosis, and the available strategies (experimental and clinical strategies) to modulate host microbiota.
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Affiliation(s)
- Katarzyna Olek
- Department of Dental Propedeutics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 41-800 Zabrze, Poland
| | - Agnieszka Anna Kuczaj
- Department of Cardiac Surgery, Transplantology, Vascular and Endovascular Surgery, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, M.C. Sklodowskiej 9, 41-800 Zabrze, Poland
| | - Szymon Warwas
- Students' Scientific Association Affiliated with the Department of Cardiac, Vascular and Endovascular Surgery and Transplantology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 41-808 Zabrze, Poland
| | - Tomasz Hrapkowicz
- Department of Cardiac Surgery, Transplantology, Vascular and Endovascular Surgery, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, M.C. Sklodowskiej 9, 41-800 Zabrze, Poland
| | - Piotr Przybyłowski
- Department of Cardiac Surgery, Transplantology, Vascular and Endovascular Surgery, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, M.C. Sklodowskiej 9, 41-800 Zabrze, Poland
| | - Marta Tanasiewicz
- Department of Conservative Dentistry and Endodontics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 41-800 Zabrze, Poland
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17
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Colard-Thomas J, Thomas QD, Viala M. Comedications with Immune Checkpoint Inhibitors: Involvement of the Microbiota, Impact on Efficacy and Practical Implications. Cancers (Basel) 2023; 15:cancers15082276. [PMID: 37190203 DOI: 10.3390/cancers15082276] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/07/2023] [Accepted: 04/11/2023] [Indexed: 05/17/2023] Open
Abstract
Immune checkpoint inhibitors (ICIs) have been a major breakthrough in solid oncology over the past decade. The immune system and the gut microbiota are involved in their complex mechanisms of action. However, drug interactions have been suspected of disrupting the fine equilibrium necessary for optimal ICI efficacy. Thus, clinicians are facing a great deal of sometimes contradictory information on comedications with ICIs and must at times oppose conflicting objectives between oncological response and comorbidities or complications. We compiled in this review published data on the role of the microbiota in ICI efficacy and the impact of comedications. We found mostly concordant results on detrimental action of concurrent corticosteroids, antibiotics, and proton pump inhibitors. The timeframe seems to be an important variable each time to preserve an initial immune priming at ICIs initiation. Other molecules have been associated with improved or impaired ICIs outcomes in pre-clinical models with discordant conclusions in retrospective clinical studies. We gathered the results of the main studies concerning metformin, aspirin, and non-steroidal anti-inflammatory drugs, beta blockers, renin-angiotensin-aldosterone system inhibitors, opioids, and statins. In conclusion, one should always assess the necessity of concomitant treatment according to evidence-based recommendations and discuss the possibility of postponing ICI initiation or switching strategies to preserve the critical window.
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Affiliation(s)
- Julien Colard-Thomas
- Department of Medical Oncology, Montpellier Cancer Institute (ICM), University of Montpellier (UM), 34090 Montpellier, France
| | - Quentin Dominique Thomas
- Department of Medical Oncology, Montpellier Cancer Institute (ICM), University of Montpellier (UM), 34090 Montpellier, France
- Oncogenic Pathways in Lung Cancer, Montpellier Cancer Research Institute (IRCM) INSERM U1194, University of Montpellier (UM), 34090 Montpellier, France
| | - Marie Viala
- Department of Medical Oncology, Montpellier Cancer Institute (ICM), University of Montpellier (UM), 34090 Montpellier, France
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18
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Rogers AP, Mileto SJ, Lyras D. Impact of enteric bacterial infections at and beyond the epithelial barrier. Nat Rev Microbiol 2023; 21:260-274. [PMID: 36175770 DOI: 10.1038/s41579-022-00794-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/23/2022] [Indexed: 11/09/2022]
Abstract
The mucosal lining of the gut has co-evolved with a diverse microbiota over millions of years, leading to the development of specialized mechanisms to actively limit the invasion of pathogens. However, some enteric microorganisms have adapted against these measures, developing ways to hijack or overcome epithelial micro-integrity mechanisms. This breach of the gut barrier not only enables the leakage of host factors out of circulation but can also initiate a cascade of detrimental systemic events as microbiota, pathogens and their affiliated secretions passively leak into extra-intestinal sites. Under normal circumstances, gut damage is rapidly repaired by intestinal stem cells. However, with substantial and deep perturbation to the gut lining and the systemic dissemination of gut contents, we now know that some enteric infections can cause the impairment of host regenerative processes. Although these local and systemic aspects of enteric disease are often studied in isolation, they heavily impact one another. In this Review, by examining the journey of enteric infections from initial establishment to systemic sequelae and how, or if, the host can successfully repair damage, we will tie together these complex interactions to provide a holistic overview of the impact of enteric infections at and beyond the epithelial barrier.
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Affiliation(s)
- Ashleigh P Rogers
- Infection and Immunity Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia.,Department of Microbiology, Monash University, Melbourne, Victoria, Australia
| | - Steven J Mileto
- Infection and Immunity Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia.,Department of Microbiology, Monash University, Melbourne, Victoria, Australia
| | - Dena Lyras
- Infection and Immunity Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia. .,Department of Microbiology, Monash University, Melbourne, Victoria, Australia.
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19
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Lv W, Zhang D, He T, Liu Y, Shao L, Lv Z, Pu X, Wang Y, Liu L. Combination of Lactobacillus plantarum improves the effects of tacrolimus on colitis in a mouse model. Front Cell Infect Microbiol 2023; 13:1130820. [PMID: 36992690 PMCID: PMC10040537 DOI: 10.3389/fcimb.2023.1130820] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 02/06/2023] [Indexed: 03/14/2023] Open
Abstract
The gut microbiome has been considered to play an important role in inflammatory bowel disease (IBD). Our previous study reported that tacrolimus-altered gut microbiota elicited immunoregulatory effects in both colonic mucosa and circulation, contributing to an increased allograft survival rate in mice. Here, we aimed to observe the changes in the tacrolimus-induced microbiome in a dextran sulfate sodium (DSS)-induced colitis mouse model and explore the possibility and efficacy of combination therapy with tacrolimus and the microbiome on colitis. Mice were divided into the control, DSS, tacrolimus monotherapy and tacrolimus plus Lactobacillus plantarum 550 (Lacto)-treated groups. The body weight, stool consistency, hematochezia and survival of mice were observed daily. Total RNA from colonic mucosa was extracted and subjected to transcriptome sequencing. Cecal contents were collected and the 16S rRNA sequencing was performed to characterize the gut microbiome and the ultrahigh- performance liquid chromatography-MS/MS (UHPLC-MS/MS) was used for targeted quantification of bile acids. The results confirmed that tacrolimus significantly ameliorated DSS-induced colitis in mice. Beneficial alterations of the gut microbiome characterized by a remarkable expansion of the genus Lactobacillus were induced by tacrolimus treatment. Oral supplementation with Lacto further improved the tacrolimus-mediated suppression of body weight loss in colitis, while the survival time of mice was further prolonged and the inflammation of colonic mucosa was obviously relieved. The immune and inflammation-related signaling pathways, including IFN-γ and IFN-α response, allograft rejection, IL2 STAT5 signaling and the inflammatory response pathways, were further downregulated in the tacrolimus plus Lacto cotreatment group. Cotreatment also improved the diversity of the gut microbiome and rescued the concentration of taurochenodeoxycholic acid (TCDCA) in colitis. The latter was positively correlated with the abundance of Lactobacillus but negatively related to the disease activity index score. Overall, our results indicated that Lactobacillus plantarum promoted the therapeutic effect of tacrolimus in experimental colitis, offering a promising strategy to combine tacrolimus and Lactobacillus in the treatment of colitis patients.
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Affiliation(s)
- Wei Lv
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Di Zhang
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Tian He
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yingying Liu
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Limei Shao
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zhongping Lv
- Technology Research Institute of Shuxi Condiments of Sichuan Cuisine Co. LTD, Chengdu, Sichuan, China
| | - Xiaoping Pu
- Technology Research Institute of Shuxi Condiments of Sichuan Cuisine Co. LTD, Chengdu, Sichuan, China
| | - Yufang Wang
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- *Correspondence: Yufang Wang, ; Ling Liu,
| | - Ling Liu
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- *Correspondence: Yufang Wang, ; Ling Liu,
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20
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Tamzali Y, Scemla A, Bonduelle T, Garandeau C, Gilbert M, Randhawa S, De Nattes T, Hachad H, Pourcher V, Taupin P, Kaminski H, Hazzan M, Moal V, Matignon M, Fihman V, Levi C, Le Quintrec M, Chemouny JM, Rondeau E, Bertrand D, Thervet E, Tezenas Du Montcel S, Savoye E, Barrou B, Kamar N, Tourret J. Specificities of Meningitis and Meningo-Encephalitis After Kidney Transplantation: A French Retrospective Cohort Study. Transpl Int 2023; 36:10765. [PMID: 36744053 PMCID: PMC9889366 DOI: 10.3389/ti.2023.10765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 01/03/2023] [Indexed: 01/20/2023]
Abstract
Kidney transplant recipients develop atypical infections in their epidemiology, presentation and outcome. Among these, meningitis and meningoencephalitis require urgent and adapted anti-infectious therapy, but published data is scarce in KTRs. The aim of this study was to describe their epidemiology, presentation and outcome, in order to improve their diagnostic and management. We performed a retrospective, multicentric cohort study in 15 French hospitals that included all 199 cases of M/ME in KTRs between 2007 and 2018 (0.9 case per 1,000 KTRs annually). Epidemiology was different from that in the general population: 20% were due to Cryptococcus neoformans, 13.5% to varicella-zoster virus, 5.5% to Mycobacterium tuberculosis, and 4.5% to Enterobacteria (half of which produced extended spectrum beta-lactamases), and 5% were Post Transplant Lymphoproliferative Disorders. Microorganisms causing M/ME in the general population were infrequent (2%, for Streptococcus pneumoniae) or absent (Neisseria meningitidis). M/ME caused by Enterobacteria, Staphylococci or filamentous fungi were associated with high and early mortality (50%-70% at 1 year). Graft survival was not associated with the etiology of M/ME, nor was impacted by immunosuppression reduction. Based on these results, we suggest international studies to adapt guidelines in order to improve the diagnosis and the probabilistic treatment of M/ME in SOTRs.
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Affiliation(s)
- Y. Tamzali
- Sorbonne Université, Assistance Publique-Hôpitaux de Paris (AP-HP), Pitié-Salpêtrière Hospital, Medical and Surgical Department of Kidney Transplantation, Paris, France,Sorbonne Université, Assistance Publique-Hôpitaux de Paris (AP-HP), Pitié-Salpêtrière Hospital, Department of Infectious and Tropical Diseases, Paris, France,*Correspondence: Y. Tamzali,
| | - A. Scemla
- Université Paris-Descartes, Assistance Publique-Hôpitaux de Paris (AP-HP), Department of Nephrology and Kidney Transplantation, Hôpital Necker, Paris, France
| | - T. Bonduelle
- Neurology Department, Epilepsy Unit, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France
| | - C. Garandeau
- Nephrology Department, Centre Hospitalier Universitaire de Nantes, Nantes, France
| | - M. Gilbert
- Nephrology and Transplantation Department, Centre Hospitalier Universitaire de Lille, Lille, France
| | - S. Randhawa
- Aix-Marseille Université, Hôpitaux Universitaires de Marseille, Hôpital Conception, Center of Nephrology and Kidney Transplantation, Marseille, France
| | - T. De Nattes
- Department of Nephrology Dialysis and Kidney Transplantation, Centre Hospitalier Universitaire de Rouen, Rouen, France
| | - H. Hachad
- Sorbonne Université, Assistance Publique-Hôpitaux de Paris (AP-HP), Pitié-Salpêtrière Hospital, Medical and Surgical Department of Kidney Transplantation, Paris, France
| | - V. Pourcher
- Sorbonne Université, Assistance Publique-Hôpitaux de Paris (AP-HP), Pitié-Salpêtrière Hospital, Department of Infectious and Tropical Diseases, Paris, France
| | - P. Taupin
- University Paris-Descartes, Assistance Publique-Hôpitaux de Paris (AP-HP), Department of Biostatistics, Necker Hospital, Paris, France
| | - H. Kaminski
- Department of Nephrology, Transplantation, Dialysis and Apheresis, CHU Bordeaux, Bordeaux, France
| | - M. Hazzan
- Nephrology and Transplantation Department, Centre Hospitalier Universitaire de Lille, Lille, France
| | - V. Moal
- Aix-Marseille Université, Hôpitaux Universitaires de Marseille, Hôpital Conception, Center of Nephrology and Kidney Transplantation, Marseille, France
| | - M. Matignon
- Université Paris Est Créteil, Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de Recherche Biomédicale (IMRB), Créteil, France,Assistance Publique des Hôpitaux de Paris (AP-HP), Hôpitaux Universitaires Henri Mondor, Service de Néphrologie et Transplantation, Fédération Hospitalo-Universitaire, Innovative Therapy for Immune Disorders, Créteil, France
| | - V. Fihman
- Bacteriology and Infection Control Unit, Department of Prevention, Diagnosis, and Treatment of Infections, Henri-Mondor University Hospital, Assistance Publique des Hôpitaux de Paris (AP-HP), Créteil, France,EA 7380 Dynamyc, EnvA, Paris-Est University (UPEC), Créteil, France
| | - C. Levi
- Department of Nephrology Immunology and Kidney Transplantation, Centre Hospitalier Univeristaire Edouard Herriot, Lyon, France
| | - M. Le Quintrec
- Department of Nephrology Dialysis and Kidney Transplantation, Centre Hospitalier Universitaire de Montpellier, Montpellier, France
| | - J. M. Chemouny
- Université de Rennes, CHU Rennes, INSERM, EHESP, IRSET—UMR_S 1085, CIC‐P 1414, Rennes, France
| | - E. Rondeau
- Sorbonne Université, Assistance Publique-Hôpitaux de Paris (AP-HP), Department of Nephrology, SINRA, Hôpital Tenon, GHEP, Paris, France
| | - D. Bertrand
- Department of Nephrology Dialysis and Kidney Transplantation, Centre Hospitalier Universitaire de Rouen, Rouen, France
| | - E. Thervet
- Université Paris-Descartes, Assistance Publique-Hôpitaux de Paris (AP-HP), Department of Nephrology, Hôpital Europeen Georges Pompidou, Paris, France
| | - S. Tezenas Du Montcel
- Sorbonne Université, INSERM, Pierre Louis Epidemiology and Public Health Institute, Assistance Publique-Hopitaux de Paris (AP-HP), Medical Information Department, Pitié Salpêtrière-Charles Foix University Hospital, Paris, France
| | - E. Savoye
- Agence de la Biomédecine, Saint Denis, France
| | - B. Barrou
- Sorbonne Université, Assistance Publique-Hôpitaux de Paris (AP-HP), Pitié-Salpêtrière Hospital, Medical and Surgical Department of Kidney Transplantation, INSERM, UMR 1082, Paris, France
| | - N. Kamar
- Department of Nephrology and Organ, INFINITY-INSERM U1291-CNRS U5051, Université Paul Sabatier, Toulouse, France
| | - J. Tourret
- Sorbonne Université, Assistance Publique-Hôpitaux de Paris (AP-HP), Pitié-Salpêtrière Hospital, Medical and Surgical Department of Kidney Transplantation, INSERM, UMR 1138, Paris, France
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21
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Przybyciński J, Drożdżal S, Wilk A, Dziedziejko V, Szumilas K, Pawlik A. The Effect of the Gut Microbiota on Transplanted Kidney Function. Int J Mol Sci 2023; 24:ijms24021260. [PMID: 36674775 PMCID: PMC9866452 DOI: 10.3390/ijms24021260] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/23/2022] [Accepted: 01/06/2023] [Indexed: 01/10/2023] Open
Abstract
The intestinal microflora is extremely important, not only in the processes of absorption, digestion and biosynthesis of vitamins, but also in shaping the immune and cognitive functions of the human body. Several studies demonstrate a correlation between microbiota composition and such events as graft rejection, kidney interstitial fibrosis, urinary tract infections, and diarrhoea or graft tolerance. Some of those changes might be directly linked with pathologies such as colonization with pathogenic bacterial strains. Gut microbiota composition also plays an important role in metabolic complications and viral infections after transplantation. From the other side, gut microbiota might induce graft tolerance by promotion of T and B regulatory cells. Graft tolerance induction is still an extremely important issue regarding transplantology and might allow the reduction or even avoidance of immunosuppressive treatment. Although there is a rising evidence of the pivotal role of gut microbiota in aspects of kidney transplantation there is still a lack of knowledge on the direct mechanisms of microbiota action. Furthermore, some of those negative effects could be reversed by probiotics of faecal microbiota trapoinsplantation. While diabetes and hypertension as well as BKV and CMV viremia are common and important complications of transplantation, both worsening the graft function and causing systemic injuries, it opens up potential clinical treatment options. As has been also suggested in the current review, some bacterial subsets exhibit protective properties. However, currently, there is a lack of evidence on pro- and prebiotic supplementation in kidney transplant patients. In the current review, we describe the effect of the microbiota on the transplanted kidney in renal transplant recipients.
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Affiliation(s)
- Jarosław Przybyciński
- Department of Nephrology, Transplantology and Internal Medicine, Pomeranian Medical University, 70-111 Szczecin, Poland
| | - Sylwester Drożdżal
- Department of Nephrology, Transplantology and Internal Medicine, Pomeranian Medical University, 70-111 Szczecin, Poland
| | - Aleksandra Wilk
- Department of Histology and Embryology, Pomeranian Medical University, 70-111 Szczecin, Poland
| | - Violetta Dziedziejko
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, 70-111 Szczecin, Poland
| | - Kamila Szumilas
- Department of Physiology, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland
| | - Andrzej Pawlik
- Department of Physiology, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland
- Correspondence:
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22
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Becker HEF, Demers K, Derijks LJJ, Jonkers DMAE, Penders J. Current evidence and clinical relevance of drug-microbiota interactions in inflammatory bowel disease. Front Microbiol 2023; 14:1107976. [PMID: 36910207 PMCID: PMC9996055 DOI: 10.3389/fmicb.2023.1107976] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 02/06/2023] [Indexed: 02/25/2023] Open
Abstract
Background Inflammatory bowel disease (IBD) is a chronic relapsing-remitting disease. An adverse immune reaction toward the intestinal microbiota is involved in the pathophysiology and microbial perturbations are associated with IBD in general and with flares specifically. Although medical drugs are the cornerstone of current treatment, responses vary widely between patients and drugs. The intestinal microbiota can metabolize medical drugs, which may influence IBD drug (non-)response and side effects. Conversely, several drugs can impact the intestinal microbiota and thereby host effects. This review provides a comprehensive overview of current evidence on bidirectional interactions between the microbiota and relevant IBD drugs (pharmacomicrobiomics). Methods Electronic literature searches were conducted in PubMed, Web of Science and Cochrane databases to identify relevant publications. Studies reporting on microbiota composition and/or drug metabolism were included. Results The intestinal microbiota can both enzymatically activate IBD pro-drugs (e.g., in case of thiopurines), but also inactivate certain drugs (e.g., mesalazine by acetylation via N-acetyltransferase 1 and infliximab via IgG-degrading enzymes). Aminosalicylates, corticosteroids, thiopurines, calcineurin inhibitors, anti-tumor necrosis factor biologicals and tofacitinib were all reported to alter the intestinal microbiota composition, including changes in microbial diversity and/or relative abundances of various microbial taxa. Conclusion Various lines of evidence have shown the ability of the intestinal microbiota to interfere with IBD drugs and vice versa. These interactions can influence treatment response, but well-designed clinical studies and combined in vivo and ex vivo models are needed to achieve consistent findings and evaluate clinical relevance.
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Affiliation(s)
- Heike E F Becker
- Division Gastroenterology-Hepatology, Department of Internal Medicine, NUTRIM School of Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, Netherlands.,Department of Medical Microbiology, Infectious Diseases and Infection Prevention, NUTRIM School of Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, Netherlands
| | - Karlijn Demers
- Division Gastroenterology-Hepatology, Department of Internal Medicine, NUTRIM School of Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, Netherlands
| | - Luc J J Derijks
- Department of Clinical Pharmacy and Pharmacology, Máxima Medical Center, Veldhoven, Netherlands.,Department of Clinical Pharmacy and Toxicology, Maastricht University Medical Centre+, Maastricht, Netherlands
| | - Daisy M A E Jonkers
- Division Gastroenterology-Hepatology, Department of Internal Medicine, NUTRIM School of Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, Netherlands
| | - John Penders
- Department of Medical Microbiology, Infectious Diseases and Infection Prevention, NUTRIM School of Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, Netherlands.,Department of Medical Microbiology, Infectious Diseases and Infection Prevention, CAPHRI School of Public Health and Primary Care, Maastricht University Medical Centre+, Maastricht, Netherlands
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23
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Leardini D, Venturelli F, Baccelli F, Cerasi S, Muratore E, Brigidi P, Pession A, Prete A, Masetti R. Pharmacomicrobiomics in Pediatric Oncology: The Complex Interplay between Commonly Used Drugs and Gut Microbiome. Int J Mol Sci 2022; 23:15387. [PMID: 36499714 PMCID: PMC9740824 DOI: 10.3390/ijms232315387] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 11/27/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
The gut microbiome (GM) has emerged in the last few years as a main character in several diseases. In pediatric oncological patients, GM has a role in promoting the disease, modulating the effectiveness of therapies, and determining the clinical outcomes. The therapeutic course for most pediatric cancer influences the GM due to dietary modifications and several administrated drugs, including chemotherapies, antibiotics and immunosuppressants. Interestingly, increasing evidence is uncovering a role of the GM on drug pharmacokinetics and pharmacodynamics, defining a bidirectional relationship. Indeed, the pediatric setting presents some contrasts with respect to the adult, since the GM undergoes a constant multifactorial evolution during childhood following external stimuli (such as diet modification during weaning). In this review, we aim to summarize the available evidence of pharmacomicrobiomics in pediatric oncology.
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Affiliation(s)
- Davide Leardini
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero Universitaria di Bologna, 40138 Bologna, Italy
| | - Francesco Venturelli
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero Universitaria di Bologna, 40138 Bologna, Italy
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, 40126 Bologna, Italy
| | - Francesco Baccelli
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero Universitaria di Bologna, 40138 Bologna, Italy
| | - Sara Cerasi
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero Universitaria di Bologna, 40138 Bologna, Italy
| | - Edoardo Muratore
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero Universitaria di Bologna, 40138 Bologna, Italy
| | - Patrizia Brigidi
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40126 Bologna, Italy
| | - Andrea Pession
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40126 Bologna, Italy
- Pediatric Unit, IRCCS Azienda Ospedaliero Universitaria di Bologna, 40138 Bologna, Italy
| | - Arcangelo Prete
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero Universitaria di Bologna, 40138 Bologna, Italy
| | - Riccardo Masetti
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero Universitaria di Bologna, 40138 Bologna, Italy
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40126 Bologna, Italy
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24
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Swarte JC, Li Y, Hu S, Björk JR, Gacesa R, Vich Vila A, Douwes RM, Collij V, Kurilshikov A, Post A, Klaassen MAY, Eisenga MF, Gomes-Neto AW, Kremer D, Jansen BH, Knobbe TJ, Berger SP, Sanders JSF, Heiner-Fokkema MR, Porte RJ, Cuperus FJC, de Meijer VE, Wijmenga C, Festen EAM, Zhernakova A, Fu J, Harmsen HJM, Blokzijl H, Bakker SJL, Weersma RK. Gut microbiome dysbiosis is associated with increased mortality after solid organ transplantation. Sci Transl Med 2022; 14:eabn7566. [PMID: 36044594 DOI: 10.1126/scitranslmed.abn7566] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Organ transplantation is a life-saving treatment for patients with end-stage disease, but survival rates after transplantation vary considerably. There is now increasing evidence that the gut microbiome is linked to the survival of patients undergoing hematopoietic cell transplant, yet little is known about the role of the gut microbiome in solid organ transplantation. We analyzed 1370 fecal samples from 415 liver and 672 renal transplant recipients using shotgun metagenomic sequencing to assess microbial taxonomy, metabolic pathways, antibiotic resistance genes, and virulence factors. To quantify taxonomic and metabolic dysbiosis, we also analyzed 1183 age-, sex-, and body mass index-matched controls from the same population. In addition, a subset of 78 renal transplant recipients was followed longitudinally from pretransplantation to 24 months after transplantation. Our data showed that both liver and kidney transplant recipients suffered from gut dysbiosis, including lower microbial diversity, increased abundance of unhealthy microbial species, decreased abundance of important metabolic pathways, and increased prevalence and diversity of antibiotic resistance genes and virulence factors. These changes were found to persist up to 20 years after transplantation. Last, we demonstrated that the use of immunosuppressive drugs was associated with the observed dysbiosis and that the extent of dysbiosis was associated with increased mortality after transplantation. This study represents a step toward potential microbiome-targeted interventions that might influence the outcomes of recipients of solid organ transplantation.
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Affiliation(s)
- J Casper Swarte
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands.,Division of Nephrology, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Yanni Li
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands.,Department of Genetics, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Shixian Hu
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands.,Department of Genetics, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Johannes R Björk
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands.,Department of Genetics, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Ranko Gacesa
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands.,Department of Genetics, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Arnau Vich Vila
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands.,Department of Genetics, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Rianne M Douwes
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands.,Division of Nephrology, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Valerie Collij
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands.,Department of Genetics, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Alexander Kurilshikov
- Department of Genetics, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Adrian Post
- Division of Nephrology, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Marjolein A Y Klaassen
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands.,Department of Genetics, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Michele F Eisenga
- Division of Nephrology, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - António W Gomes-Neto
- Division of Nephrology, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Daan Kremer
- Division of Nephrology, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Bernadien H Jansen
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Tim J Knobbe
- Division of Nephrology, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Stefan P Berger
- Division of Nephrology, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Jan-Stephan F Sanders
- Division of Nephrology, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - M Rebecca Heiner-Fokkema
- Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Robert J Porte
- Department of Surgery, Section of Hepatobiliary Surgery and Liver Transplantation, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Frans J C Cuperus
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Vincent E de Meijer
- Department of Surgery, Section of Hepatobiliary Surgery and Liver Transplantation, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Cisca Wijmenga
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands.,Department of Genetics, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Eleonora A M Festen
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands.,Department of Genetics, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Alexandra Zhernakova
- Department of Genetics, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Jingyuan Fu
- Department of Genetics, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands.,Department of Pediatrics, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Hermie J M Harmsen
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Hans Blokzijl
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Stephan J L Bakker
- Division of Nephrology, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
| | - Rinse K Weersma
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ, Groningen, Netherlands
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25
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Li Y, Cai H, Sussman DA, Donet J, Dholaria K, Yang J, Panara A, Croteau R, Barkin JS. Association Between Immunosuppressive Therapy and Outcome of Clostridioides difficile Infection: Systematic Review and Meta-Analysis. Dig Dis Sci 2022; 67:3890-3903. [PMID: 34554365 DOI: 10.1007/s10620-021-07229-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 08/11/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND Patients with Clostridioides difficile infection (CDI) often have coexisting medical problems requiring immunosuppressive therapy. However, limited data are available on the association between immunosuppressive therapy and CDI outcomes. AIM To determine the association between immunosuppressive therapy and CDI outcomes. METHODS PubMed, Embase, and Cochrane Library were searched through February 2021. Two reviewers independently reviewed and included studies that compared adult CDI patients who received immunosuppressive therapy to those who did not. The primary outcome was complicated CDl, including death, surgery, shock, or ICU admission. Raw data or unadjusted odds ratios (ORs) were used to calculate pooled ORs with 95% confidence intervals (CIs). RESULTS Twenty-two studies with a total of 5759 CDI patients were selected. Immunosuppressive therapy was significantly associated with both primary outcome and death, with pooled ORs of 1.61 (95% CI 1.33-1.96) and 1.73 (95% CI 1.39-2.15) separately. The association between corticosteroids and primary outcome was also significant with OR of 1.73 (95% CI 1.41, 2.12). In subgroup analysis, the factors explaining differences in study results included study quality, patient age, and whether individual studies had adjusted for potential confounders. In a systematic review, most studies suggested a positive association between immunosuppressive therapy and complicated outcomes of CDI in patients comorbid for IBD. CONCLUSIONS Our systematic review and meta-analysis demonstrate that immunosuppressive therapy is a risk factor for complicated outcomes of CDI.
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Affiliation(s)
- Yiting Li
- Department of Internal Medicine, Saint Francis Medical Center, Trenton, NJ, USA
- Division of Gastroenterology and Hepatology, University of New Mexico, School of Medicine, Albuquerque, NM, USA
| | - Haifeng Cai
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University, 109 Xue Yuan Xi Road, Wenzhou, 325000, Zhejiang, China
| | - Daniel A Sussman
- Division of Gastroenterology, Department of Medicine, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Jean Donet
- Department of Gastroenterology and Hepatology, University of California, San Francisco, Fresno, CA, USA
| | | | - Jiajia Yang
- University of South Florida, Morsani College of Medicine, Tampa, FL, USA
| | - Ami Panara
- Division of Gastroenterology, Department of Medicine, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Ryan Croteau
- Department of Gastroenterology, Wellspan Digestive Health, York, PA, USA
| | - Jamie S Barkin
- Division of Gastroenterology, Department of Medicine, University of Miami, Miller School of Medicine, Miami, FL, USA.
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26
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Sen T, Thummer RP. The Impact of Human Microbiotas in Hematopoietic Stem Cell and Organ Transplantation. Front Immunol 2022; 13:932228. [PMID: 35874759 PMCID: PMC9300833 DOI: 10.3389/fimmu.2022.932228] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 06/06/2022] [Indexed: 11/18/2022] Open
Abstract
The human microbiota heavily influences most vital aspects of human physiology including organ transplantation outcomes and transplant rejection risk. A variety of organ transplantation scenarios such as lung and heart transplantation as well as hematopoietic stem cell transplantation is heavily influenced by the human microbiotas. The human microbiota refers to a rich, diverse, and complex ecosystem of bacteria, fungi, archaea, helminths, protozoans, parasites, and viruses. Research accumulating over the past decade has established the existence of complex cross-species, cross-kingdom interactions between the residents of the various human microbiotas and the human body. Since the gut microbiota is the densest, most popular, and most studied human microbiota, the impact of other human microbiotas such as the oral, lung, urinary, and genital microbiotas is often overshadowed. However, these microbiotas also provide critical and unique insights pertaining to transplantation success, rejection risk, and overall host health, across multiple different transplantation scenarios. Organ transplantation as well as the pre-, peri-, and post-transplant pharmacological regimens patients undergo is known to adversely impact the microbiotas, thereby increasing the risk of adverse patient outcomes. Over the past decade, holistic approaches to post-transplant patient care such as the administration of clinical and dietary interventions aiming at restoring deranged microbiota community structures have been gaining momentum. Examples of these include prebiotic and probiotic administration, fecal microbial transplantation, and bacteriophage-mediated multidrug-resistant bacterial decolonization. This review will discuss these perspectives and explore the role of different human microbiotas in the context of various transplantation scenarios.
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Affiliation(s)
| | - Rajkumar P. Thummer
- Laboratory for Stem Cell Engineering and Regenerative Medicine, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, India
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27
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Abstract
The gastrointestinal ecosystem is formed from interactions between the host, indigenous gut microbiota, and external world. When colonizing the gut, bacteria must overcome barriers imposed by the intestinal environment, such as host immune responses and microbiota-mediated nutrient limitation. Thus, understanding bacterial colonization requires determining how the gut landscape interacts with microbes attempting to establish within the ecosystem. However, the complicated network of interactions between elements of the intestinal environment makes it challenging to uncover emergent properties of the system using only reductionist methods. A systems biology approach, which aims to investigate complex systems by examining the behavior and relationships of all elements of the system, may afford a more holistic perspective of the colonization process. Here, we examine the confluence between the gut landscape and bacterial colonization through the lens of systems biology. We offer an overview of the conceptual and methodological underpinnings of systems biology, followed by a discussion of key elements of the gut ecosystem as they pertain to bacterial establishment and growth. We conclude by reintegrating these elements to guide future comprehensive investigations of the ecosystem in the context of bacterial intestinal colonization.
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Affiliation(s)
- Madeline R. Barron
- Department of Microbiology & Immunology, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Vincent B. Young
- Department of Microbiology & Immunology, University of Michigan Medical School, Ann Arbor, Michigan, USA
- Department of Internal Medicine, Division of Infectious Diseases, University of Michigan Medical School, Ann Arbor, Michigan, USA
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28
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Gabarre P, Loens C, Tamzali Y, Barrou B, Jaisser F, Tourret J. Immunosuppressive therapy after solid organ transplantation and the gut microbiota: Bidirectional interactions with clinical consequences. Am J Transplant 2022; 22:1014-1030. [PMID: 34510717 DOI: 10.1111/ajt.16836] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 08/23/2021] [Accepted: 09/02/2021] [Indexed: 01/25/2023]
Abstract
Our understanding of the involvement of the gut microbiota (GM) in human health has expanded exponentially over the last few decades, particularly in the fields of metabolism, inflammation, and immunology. Immunosuppressive treatment (IST) prescribed to solid organ transplant (SOT) recipients produces GM changes that affect these different processes. This review aims at describing the current knowledge of how IST changes the GM. Overall, SOT followed by IST results in persistent changes in the GM, with a consistent increase in proteobacteria including opportunistic pathobionts. In mice, Tacrolimus induces dysbiosis and metabolic disorders, and alters the intestinal barrier. The transfer of the GM from Tacrolimus-treated hosts confers immunosuppressive properties, suggesting a contributory role for the GM in this drug's efficacy. Steroids induce dysbiosis and intestinal barrier alterations, and also seem to depend partly on the GM for their immunosuppressive and metabolic effects. Mycophenolate Mofetil, frequently responsible for digestive side effects such as diarrhea and colitis, is associated with pro-inflammatory dysbiosis and increased endotoxemia. Alemtuzumab, m-TOR inhibitors, and belatacept have shown more marginal impact on the GM. Most of these observations are descriptive. Future studies should explore the underlying mechanism of IST-induced dysbiosis in order to better understand their efficacy and safety characteristics.
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Affiliation(s)
- Paul Gabarre
- Centre de Recherche des Cordeliers, Team "Diabetes, metabolic diseases and comorbidities", Sorbonne Université, Université de Paris, INSERM, Paris, France
| | - Christopher Loens
- Centre de Recherche des Cordeliers, Team "Diabetes, metabolic diseases and comorbidities", Sorbonne Université, Université de Paris, INSERM, Paris, France
| | - Yanis Tamzali
- Centre de Recherche des Cordeliers, Team "Diabetes, metabolic diseases and comorbidities", Sorbonne Université, Université de Paris, INSERM, Paris, France
| | - Benoit Barrou
- Assistance Publique - Hôpitaux Paris APHP, Medical and Surgical Unit of Kidney Transplantation Unit, Pitié-Salpêtrière Hospital, Sorbonne Université, Paris, France
| | - Frédéric Jaisser
- Centre de Recherche des Cordeliers, Team "Diabetes, metabolic diseases and comorbidities", Sorbonne Université, Université de Paris, INSERM, Paris, France
| | - Jérôme Tourret
- Centre de Recherche des Cordeliers, Team "Diabetes, metabolic diseases and comorbidities", Sorbonne Université, Université de Paris, INSERM, Paris, France.,Assistance Publique - Hôpitaux Paris APHP, Medical and Surgical Unit of Kidney Transplantation Unit, Pitié-Salpêtrière Hospital, Sorbonne Université, Paris, France
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29
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Beak JA, Park MJ, Kim SY, Jhun J, Woo JS, Choi JW, Na HS, Lee SK, Choi JY, Cho ML. FK506 and Lactobacillus acidophilus ameliorate acute graft-versus-host disease by modulating the T helper 17/regulatory T-cell balance. J Transl Med 2022; 20:104. [PMID: 35216600 PMCID: PMC8881869 DOI: 10.1186/s12967-022-03303-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 02/09/2022] [Indexed: 11/10/2022] Open
Abstract
Background Graft-versus-host disease (GvHD) is a critical complication after allogeneic hematopoietic stem cell transplantation (HSCT). The immunosuppressants given to patients undergoing allogeneic HSCT disturb the microbiome and the host immune system, potentially leading to dysbiosis and inflammation, and may affect immune function and bone marrow transplantation. The intestinal microbiome is a target for the development of novel therapies for GvHD. Lactobacillus species are widely used supplements to induce production of antimicrobial and anti-inflammatory factors. Methods We determined the effect of the combination of Lactobacillus acidophilus and FK506 on GvHD following major histocompatibility complex-mismatched bone marrow transplantation. Results The combination treatment suppressed IFN-γ and IL-17-producing T cell differentiation, but increased Foxp3+Treg differentiation and IL-10 production. Also, the combination treatment and combination treated-induced Treg cells modulated the proliferation of murine alloreactive T cells in vitro. Additionally, the combination treatment upregulated Treg-related genes—Nt5e, Foxp3, Ikzf2, Nrp1 and Itgb8—in murine CD4+-T cells. The combination treatment also alleviated GvHD clinically and histopathologically by controlling the effector T cell and Treg balance in vivo. Moreover, the combination treatment decreased Th17 differentiation significantly and significantly upregulated Foxp3 and IL-10 expression in peripheral blood mononuclear cells from healthy controls and liver transplantation (LT) patients. Conclusions Therefore, the combination of L. acidophilus and FK506 is effective and safe for patients undergoing allogeneic hematopoietic stem cell transplantation.
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Affiliation(s)
- Jin-Ah Beak
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea.,Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Min-Jung Park
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Se-Young Kim
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - JooYeon Jhun
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea.,Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Jin Seok Woo
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Jeong Won Choi
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Hyun Sik Na
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea.,Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Soon Kyu Lee
- Division of Hepatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Jong Young Choi
- Division of Hepatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Mi-La Cho
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea. .,Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea. .,Department of Medical Lifescience, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea.
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30
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Tena-Garitaonaindia M, Arredondo-Amador M, Mascaraque C, Asensio M, Marin JJG, Martínez-Augustin O, Sánchez de Medina F. MODULATION OF INTESTINAL BARRIER FUNCTION BY GLUCOCORTICOIDS: LESSONS FROM PRECLINICAL MODELS. Pharmacol Res 2022; 177:106056. [PMID: 34995794 DOI: 10.1016/j.phrs.2022.106056] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/22/2021] [Accepted: 01/01/2022] [Indexed: 12/15/2022]
Abstract
Glucocorticoids (GCs) are widely used drugs for their anti-inflammatory and immunosuppressant effects, but they are associated with multiple adverse effects. Despite their frequent oral administration, relatively little attention has been paid to the effects of GCs on intestinal barrier function. In this review, we present a summary of the published studies on this matter carried out in animal models and cultured cells. In cultured intestinal epithelial cells, GCs have variable effects in basal conditions and generally enhance barrier function in the presence of inflammatory cytokines such as tumor necrosis factor (TNF). In turn, in rodents and other animals, GCs have been shown to weaken barrier function, with increased permeability and lower production of IgA, which may account for some features observed in stress models. When given to animals with experimental colitis, barrier function may be debilitated or strengthened, despite a positive anti-inflammatory activity. In sepsis models, GCs have a barrier-enhancing effect. These effects are probably related to the inhibition of epithelial cell proliferation and wound healing, modulation of the microbiota and mucus production, and interference with the mucosal immune system. The available information on underlying mechanisms is described and discussed.
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Affiliation(s)
- Mireia Tena-Garitaonaindia
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, Instituto de Investigación Biosanitaria ibs.GRANADA, University of Granada, Granada, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
| | - María Arredondo-Amador
- Department of Pharmacology, School of Pharmacy, Instituto de Investigación Biosanitaria ibs.GRANADA, University of Granada, Granada, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
| | - Cristina Mascaraque
- Department of Pharmacology, School of Pharmacy, Instituto de Investigación Biosanitaria ibs.GRANADA, University of Granada, Granada, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
| | - Maitane Asensio
- Experimental Hepatology and Drug Targeting (HEVEPHARM), University of Salamanca, Institute for Biomedical Research of Salamanca (IBSAL), Salamanca, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
| | - Jose J G Marin
- Experimental Hepatology and Drug Targeting (HEVEPHARM), University of Salamanca, Institute for Biomedical Research of Salamanca (IBSAL), Salamanca, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
| | - Olga Martínez-Augustin
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, Instituto de Investigación Biosanitaria ibs.GRANADA, University of Granada, Granada, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
| | - Fermín Sánchez de Medina
- Department of Pharmacology, School of Pharmacy, Instituto de Investigación Biosanitaria ibs.GRANADA, University of Granada, Granada, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain.
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31
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Zhang Q, Hu WM, Deng YL, Wan JJ, Wang YJ, Jin P. Dysbiosis of gut microbiota and decreased propionic acid associated with metabolic abnormality in Cushing's syndrome. Front Endocrinol (Lausanne) 2022; 13:1095438. [PMID: 36755580 PMCID: PMC9901362 DOI: 10.3389/fendo.2022.1095438] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 12/30/2022] [Indexed: 01/25/2023] Open
Abstract
OBJECTIVE Chronic hypercortisolism leads to a phenotype resembling metabolic syndrome. We aimed to investigate the association between gut microbiota and metabolic abnormalities in endogenous hypercortisolism (Cushing's syndrome). METHODS A total of 23 patients with Cushing's syndrome (18 female and 5 men, aged 47.24 ± 12.99 years) and 30 age-, sex-and BMI-matched healthy controls (18 female and 12 men, aged 45.03 ± 6.69 years) were consecutively recruited. Differences in gut microbiota and plasma short-chain fatty acid (SCFAs) concentrations between the Cushing's syndrome patients and controls were analyzed by 16S rRNA sequencing and gas chromatography-mass spectrometry (GC-MS). RESULTS Compared to the controls, the Simpson and Pielou indices of α diversity were dramatically decreased in Cushing's syndrome (P < 0.05). The gut microbiota community structure differed significantly between Cushing's syndrome patients and controls. Compared to controls, the bacterial communities of the Cushing's syndrome patients were enriched in Proteobacteria and Escherichia-Shigella, and depleted in Firmicutes, including Agathobacter, Blautia, Anaerostipes, Eubacterium_eligens_group, and Lachnospira. Spearman analysis demonstrated that HbA1c, SBP, DBP, and cortisol levels were significantly positively correlated with Proteobacteria and Escherichia-Shigella, whereas negatively correlated with Agathobacter, Blautia, Anaerostipes, Eubacterium_hallii_group, and Lachnospira, etc. Cushing's syndrome patients also had a lower propionic acid concentration (0.151±0.054 vs. 0.205±0.032 µg/mL, P=0.039) than controls. Furthermore, the level of propionic acid was negatively correlated with systolic pressure and cortisol levels (P<0.05). CONCLUSION Gut microbiota dysbiosis and decreased propionic acid levels were observed in patients with Cushing's, suggesting that the gut microbiota may be a potential therapeutic intervention target to improve hypercortisolism-related metabolic abnormalities.
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Affiliation(s)
- Qin Zhang
- Department of Endocrinology, The Third Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Wen-mu Hu
- Department of Endocrinology, The Third Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Yu-ling Deng
- Health Management Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Jin-jing Wan
- Department of Endocrinology, The Third Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Yu-jun Wang
- Department of Endocrinology, The Third Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Ping Jin
- Department of Endocrinology, The Third Xiangya Hospital of Central South University, Changsha, Hunan Province, China
- *Correspondence: Ping Jin,
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Faucher Q, Jardou M, Brossier C, Picard N, Marquet P, Lawson R. Is Intestinal Dysbiosis-Associated With Immunosuppressive Therapy a Key Factor in the Pathophysiology of Post-Transplant Diabetes Mellitus? Front Endocrinol (Lausanne) 2022; 13:898878. [PMID: 35872991 PMCID: PMC9302877 DOI: 10.3389/fendo.2022.898878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/06/2022] [Indexed: 11/13/2022] Open
Abstract
Post-transplant diabetes mellitus (PTDM) is one of the most common and deleterious comorbidities after solid organ transplantation (SOT). Its incidence varies depending on the organs transplanted and can affect up to 40% of patients. Current research indicates that PTDM shares several common features with type 2 diabetes mellitus (T2DM) in non-transplant populations. However, the pathophysiology of PTDM is still poorly characterized. Therefore, ways should be sought to improve its diagnosis and therapeutic management. A clear correlation has been made between PTDM and the use of immunosuppressants. Moreover, immunosuppressants are known to induce gut microbiota alterations, also called intestinal dysbiosis. Whereas the role of intestinal dysbiosis in the development of T2DM has been well documented, little is known about its impacts on PTDM. Functional alterations associated with intestinal dysbiosis, especially defects in pathways generating physiologically active bacterial metabolites (e.g., short-chain fatty acids, trimethylamine N-oxide, indole and kynurenine) are known to favour several metabolic disorders. This publication aims at discussing the potential role of intestinal dysbiosis and dysregulation of bacterial metabolites associated with immunosuppressive therapy in the occurrence of PTDM.
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Affiliation(s)
- Quentin Faucher
- University of Limoges, Inserm U1248, Pharmacology & Transplantation, Limoges, France
| | - Manon Jardou
- University of Limoges, Inserm U1248, Pharmacology & Transplantation, Limoges, France
| | - Clarisse Brossier
- University of Limoges, Inserm U1248, Pharmacology & Transplantation, Limoges, France
| | - Nicolas Picard
- University of Limoges, Inserm U1248, Pharmacology & Transplantation, Limoges, France
- Department of pharmacology, toxicology and pharmacovigilance, Centre Hospitalier Universitaire (CHU) Limoges, Limoges, France
| | - Pierre Marquet
- University of Limoges, Inserm U1248, Pharmacology & Transplantation, Limoges, France
- Department of pharmacology, toxicology and pharmacovigilance, Centre Hospitalier Universitaire (CHU) Limoges, Limoges, France
| | - Roland Lawson
- University of Limoges, Inserm U1248, Pharmacology & Transplantation, Limoges, France
- *Correspondence: Roland Lawson,
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Li JS, Su SL, Xu Z, Zhao LH, Fan RY, Guo JM, Qian DW, Duan JA. Potential roles of gut microbiota and microbial metabolites in chronic inflammatory pain and the mechanisms of therapy drugs. Ther Adv Chronic Dis 2022; 13:20406223221091177. [PMID: 35924009 PMCID: PMC9340317 DOI: 10.1177/20406223221091177] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 03/15/2022] [Indexed: 01/21/2023] Open
Abstract
Observational findings achieved that gut microbes mediate human metabolic health
and disease risk. The types of intestinal microorganisms depend on the intake of
food and drugs and are also related to their metabolic level and genetic
factors. Recent studies have shown that chronic inflammatory pain is closely
related to intestinal microbial homeostasis. Compared with the normal intestinal
flora, the composition of intestinal flora in patients with chronic inflammatory
pain had significant changes in Actinomycetes,
Firmicutes, Bacteroidetes, etc. At the
same time, short-chain fatty acids and amino acids, the metabolites of
intestinal microorganisms, can regulate neural signal molecules and signaling
pathways, thus affecting the development trend of chronic inflammatory pain.
Glucocorticoids and non-steroidal anti-inflammatory drugs in the treatment of
chronic inflammatory pain, the main mechanism is to affect the secretion of
inflammatory factors and the abundance of intestinal bacteria. This article
reviews the relationship between intestinal microorganisms and their metabolites
on chronic inflammatory pain and the possible mechanism.
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Affiliation(s)
- Jia-Shang Li
- Jiangsu Collaborative Innovation Center of
Chinese Medicinal Resources Industrialization, National and Local
Collaborative Engineering Center of Chinese Medicinal Resources
Industrialization and Formulae Innovative Medicine, and Jiangsu Key
Laboratory for High Technology Research of TCM Formulae, Nanjing University
of Chinese Medicine, Nanjing, P.R. China
| | | | - Zhuo Xu
- Jiangsu Collaborative Innovation Center of
Chinese Medicinal Resources Industrialization, National and Local
Collaborative Engineering Center of Chinese Medicinal Resources
Industrialization and Formulae Innovative Medicine, and Jiangsu Key
Laboratory for High Technology Research of TCM Formulae, Nanjing University
of Chinese Medicine, Nanjing, P.R. China
| | - Li-Hui Zhao
- Jiangsu Collaborative Innovation Center of
Chinese Medicinal Resources Industrialization, National and Local
Collaborative Engineering Center of Chinese Medicinal Resources
Industrialization and Formulae Innovative Medicine, and Jiangsu Key
Laboratory for High Technology Research of TCM Formulae, Nanjing University
of Chinese Medicine, Nanjing, P.R. China
| | - Ruo-Ying Fan
- Jiangsu Collaborative Innovation Center of
Chinese Medicinal Resources Industrialization, National and Local
Collaborative Engineering Center of Chinese Medicinal Resources
Industrialization and Formulae Innovative Medicine, and Jiangsu Key
Laboratory for High Technology Research of TCM Formulae, Nanjing University
of Chinese Medicine, Nanjing, P.R. China
| | - Jian-Ming Guo
- Jiangsu Collaborative Innovation Center of
Chinese Medicinal Resources Industrialization, National and Local
Collaborative Engineering Center of Chinese Medicinal Resources
Industrialization and Formulae Innovative Medicine, and Jiangsu Key
Laboratory for High Technology Research of TCM Formulae, Nanjing University
of Chinese Medicine, Nanjing, P.R. China
| | - Da-Wei Qian
- Jiangsu Collaborative Innovation Center of
Chinese Medicinal Resources Industrialization, National and Local
Collaborative Engineering Center of Chinese Medicinal Resources
Industrialization and Formulae Innovative Medicine, and Jiangsu Key
Laboratory for High Technology Research of TCM Formulae, Nanjing University
of Chinese Medicine, Nanjing, P.R. China
| | - Jin-Ao Duan
- Jiangsu Collaborative Innovation Center of
Chinese Medicinal Resources Industrialization, National and Local
Collaborative Engineering Center of Chinese Medicinal Resources
Industrialization and Formulae Innovative Medicine, and Jiangsu Key
Laboratory for High Technology Research of TCM Formulae, Nanjing University
of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, P.R. China
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Teaw S, Hinchcliff M, Cheng M. A review and roadmap of the skin, lung and gut microbiota in systemic sclerosis. Rheumatology (Oxford) 2021; 60:5498-5508. [PMID: 33734316 PMCID: PMC8643452 DOI: 10.1093/rheumatology/keab262] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 03/02/2021] [Accepted: 03/05/2021] [Indexed: 11/12/2022] Open
Abstract
As our understanding of the genetic underpinnings of SSc increases, questions regarding the environmental trigger(s) that induce and propagate SSc in the genetically predisposed individual emerge. The interplay between the environment, the immune system, and the microbial species that inhabit the patient's skin and gastrointestinal tract is a pathobiological frontier that is largely unexplored in SSc. The purpose of this review is to provide an overview of the methodologies, experimental study results and future roadmap for elucidating the relationship between the SSc host and his/her microbiome.
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Affiliation(s)
- Shannon Teaw
- Yale School of Medicine, Department of Medicine Section of Rheumatology, Allergy & Immunology, New Haven, CT, USA
| | - Monique Hinchcliff
- Yale School of Medicine, Department of Medicine Section of Rheumatology, Allergy & Immunology, New Haven, CT, USA
| | - Michelle Cheng
- Yale School of Medicine, Department of Medicine Section of Rheumatology, Allergy & Immunology, New Haven, CT, USA
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Zhou H, Tullius SG. Effects of obesity and weight-loss surgery shift the microbiome and impact alloimmune responses. Curr Opin Organ Transplant 2021; 26:603-608. [PMID: 34714789 PMCID: PMC8562884 DOI: 10.1097/mot.0000000000000920] [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] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW Obesity is a worldwide health problem with increasing rates in both children and adults. Bariatric surgery (BS) represents the only effective long-term treatment. Beneficial effects of BS may be mediated through shifts of the gut microbiome. Here, we introduce data linking the microbiome to alloimmune responses. RECENT FINDINGS The rapid development of microbiome sequencing technologies in addition to the availability of gnotobiotic facilities have enabled mechanistic investigations on modulations of alloimmune responses through microbiomes. BS has been shown to improve comorbidities and chronic inflammation caused by obesity. Changes in microbiota and microbiota-related metabolites may play a role. Patients either listed or having received a transplant have undergone weight loss surgery, thus allowing to dissect mechanisms of microbial shifts to alloimmunity. SUMMARY Weight loss and BS have the potential to improve transplant outcomes by ameliorating alloimmune responses. Those effects may be carried out through alterations of the gut microbiome.
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Affiliation(s)
- Hao Zhou
- Division of Transplant Surgery & Transplant Surgery Research Laboratory, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
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How to adapt an intestinal microbiota transplantation programme to reduce the risk of invasive multidrug-resistant infection. Clin Microbiol Infect 2021; 28:502-512. [PMID: 34826617 DOI: 10.1016/j.cmi.2021.11.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 10/06/2021] [Accepted: 11/03/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Vulnerable patients with intestinal colonization of multidrug-resistant organisms (MDROs) are recognized to be at increased risk of invasive MDRO-driven infection. Intestinal microbiota transplantation (IMT, also called faecal microbiota transplant) is the transfer of healthy screened donor stool to an affected recipient, and recent interest has focused on its impact on the reduction of invasive MDRO infection. OBJECTIVES To describe how to establish a clinical IMT pathway for patients at risk of MDRO invasive infection, with special considerations for optimizing administration and assessment of endpoints. SOURCES Expert guidelines and peer-reviewed clinical studies are encompassed and discussed. CONTENT IMT is offered to patients with MDROs detected on rectal or stool screening and either at risk of MDRO invasive infection due to altered immune status or those with recurrent MDRO-mediated invasive disease and considered at risk of further disease. Donor screening should include pathogens with theoretical or demonstrated risk of transmission (including MDROs themselves and SARS-CoV-2) and take into consideration the relative immunosuppressed state of potential recipients. Delivery of IMT is timed for when the patient is free from active infection, but no additional antibiotics are indicated. If administered when future immunosuppression is to take place, IMT is aligned at least 2 weeks beforehand to ensure sufficient time for engraftment. Patients are followed up in terms of adverse effects from IMT and clinicians are advised to discuss with the IMT multidisciplinary team on choice of antibiotics if needed to take into consideration the impact upon the intestinal microbiome. Prevention of invasive disease is the primary measure of success, rather than using intestinal decolonization as a binary outcome. Repeat IMT is considered case by case. IMPLICATIONS Future research areas should include randomized studies that consider clinical outcomes and cost-effectiveness, and better understanding of mechanisms to identify markers of treatment success and functional microbiome components that could be used therapeutically.
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Jardou M, Provost Q, Brossier C, Pinault É, Sauvage FL, Lawson R. Alteration of the gut microbiome in mycophenolate-induced enteropathy: impacts on the profile of short-chain fatty acids in a mouse model. BMC Pharmacol Toxicol 2021; 22:66. [PMID: 34711288 PMCID: PMC8555345 DOI: 10.1186/s40360-021-00536-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 10/20/2021] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Mycophenolic acid (MPA) is the most widely used immunosuppressive drug in transplantation and for autoimmune diseases. Unfortunately, more than 30% of patients experience a typical gastrointestinal adverse effect also referred to as mycophenolate-induced enteropathy. Due to its antibacterial, antifungal, and antiviral properties, MPA exposure is associated with intestinal dysbiosis characterized by a decrease in density and diversity of the microbiome regarding the main bacterial phyla (Firmicutes and Bacteroidetes). These bacterial phyla are known for their metabolic role in maintaining the homeostasis of the digestive tract, particularly through the production of short-chain fatty acids (SCFA) that could contribute to the pathophysiology of mycophenolate-induced enteropathy. Our study aimed at deciphering short-chain fatty acids (SCFA) profile alterations associated with gastrointestinal toxicity of MPA at the digestive and systemic levels in a mouse model. METHODS Ten-week old C57BL/6 (SOPF) mice were randomly assigned in 2 groups of 9 subjects: control, and mycophenolate mofetil (MMF, 900 mg/kg/day). All mice were daily treated by oral gavage for 7 days. Individual faecal pellets were collected at days 0, 4 and 8 as well as plasma at day 8 for SCFA profiling. Additionally, after the sacrifice on day 8, the caecum was weighted, and colon length was measured. The proximal colon was cut for histological analysis. RESULTS MMF treatment induced around 10% weight loss at the end of the protocol associated with a significant decrease in caecum weight and a slight reduction in colon length. Histological analysis showed significant architectural changes in colon epithelium. Moreover, we observed an overall decrease in SCFA concentrations in faecal samples, especially regarding acetate (at day 8, control 1040.6 ± 278.161 μM versus MMF 384.7 ± 80.5 μM, p < 0.01) and propionate (at day 8, control 185.94 ± 51.96 μM versus MMF 44.07 ± 14.66 μM, p < 0.001), and in plasma samples for butyrate (at day 8, control 0.91 ± 0.1 μM versus MMF 0.46 ± 0.1 μM, p < 0.01). CONCLUSIONS These results are consistent with functional impairment of the gut microbiome linked with digestive or systemic defects during MMF treatment.
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Affiliation(s)
- Manon Jardou
- Univ. Limoges, Inserm U1248, IPPRITT, F-87000 Limoges, France
| | - Quentin Provost
- Univ. Limoges, Inserm U1248, IPPRITT, F-87000 Limoges, France
| | | | - Émilie Pinault
- Univ. Limoges, Inserm U1248, IPPRITT, F-87000 Limoges, France
| | | | - Roland Lawson
- Univ. Limoges, Inserm U1248, IPPRITT, F-87000 Limoges, France
- Faculté de Pharmacie, Université de Limoges, 2 rue du Dr Marcland, 87025 Limoges, France
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Winichakoon P, Chaiwarith R, Chattipakorn N, Chattipakorn SC. Impact of gut microbiota on kidney transplantation. Transplant Rev (Orlando) 2021; 36:100668. [PMID: 34688985 DOI: 10.1016/j.trre.2021.100668] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/29/2021] [Accepted: 10/12/2021] [Indexed: 12/18/2022]
Abstract
Kidney transplantation is recognized as one of the most effective treatments for patients who suffer from end-stage renal disease. The major potential outcomes following kidney transplantation include engraftment, rejection, and associated complications. The outcomes are dependent on a variety of factors in those who underwent renal grafts or kidney transplant recipients. Those factors include the administration of immunosuppressive drugs and prophylactic antimicrobial agents to recipients. Recent studies have shown that gut microbiota play an important role in the outcome of subjects with kidney transplantation. An imbalance of the components/diversity of gut microbiota, known as gut dysbiosis, has been shown to have a big impact on the immune system of the host and the modification of host inflammatory cytokines. Although gut dysbiosis is affected by variation in diet and medication, a substantial amount of evidence showing a link between alteration in human gut microbiota and outcomes of kidney transplantation has recently been reported. Therefore, the objective of this review is to comprehensively summarize and discuss the major findings from in vivo and clinical data pertaining to the impact of gut microbiota on kidney transplantation. Any controversial findings are compiled to enable a clear overview of the role of gut microbiota and the outcome of kidney transplantation.
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Affiliation(s)
- Poramed Winichakoon
- Division of Infectious Disease and Tropical Medicine, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Thailand
| | - Romanee Chaiwarith
- Division of Infectious Disease and Tropical Medicine, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Thailand
| | - Nipon Chattipakorn
- Neuroelectrophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Siriporn C Chattipakorn
- Neuroelectrophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai 50200, Thailand; Department of Oral Biology and Diagnostic Sciences, Faculty of Dentistry, Chiang Mai University, Chiang Mai 50200, Thailand.
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Tamzali Y, Danthu C, Aubry A, Brousse R, Faucher JF, El Ouafi Z, Rufat P, Essig M, Barrou B, Toure F, Tourret J. High Mortality and Graft Loss after Infective Endocarditis in Kidney Transplant Recipients: A Case-Controlled Study from Two Centers. Pathogens 2021; 10:1023. [PMID: 34451487 PMCID: PMC8397984 DOI: 10.3390/pathogens10081023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/03/2021] [Accepted: 08/09/2021] [Indexed: 11/17/2022] Open
Abstract
Kidney transplant recipients (KTRs) tend to develop infections with characteristic epidemiology, presentation, and outcome. While infective endocarditis (IE) is among such complications in KTRs, the literature is scarce. We describe the presentation, epidemiology, and factors associated with IE in KTRs. We performed a retrospective case/control study which included patients from two centers. First episodes of definite or possible IE (Duke criteria) in adult KTRs from January 2010 to December 2018 were included, as well as two controls per case, and followed until 31 December 2019. Clinical, biological, and microbiological data and the outcome were collected. Survival was studied using the Kaplan-Meier method. Finally, we searched for factors associated with the onset of IE in KTRs by the comparison of cases and controls. Seventeen cases and 34 controls were included. IE was diagnosed after a mean delay of 78 months after KT, mostly on native valves of the left heart only. Pathogens of digestive origin were most frequently involved (six Enterococcus spp, three Streptococcus gallolyticus, and one Escherichia coli), followed by Staphylococci (three cases of S. aureus and S. epidermidis each). Among the risk factors evaluated, age, vascular nephropathy, and elevated calcineurin inhibitor through levels were significantly associated with the occurrence of IE in our study. Patient and death-censored graft survival were greatly diminished five years after IE, compared to controls being 50.3% vs. 80.6% (p < 0.003) and 29.7% vs. 87.5% (p < 0.002), respectively. IE in KTRs is a disease that carries significant risks both for the survival of the patient and the transplant.
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Affiliation(s)
- Yanis Tamzali
- Kidney Transplantation Department, Assistance Publique—Hôpitaux de Paris APHP, Pitié-Salpêtrière Hospital, FR-75013 Paris, France
| | - Clément Danthu
- Kidney Transplantation Departement, Limoges University Hospital, Inserm Umr 1092, Resinfit, FR-87000 Limoges, France; (C.D.); (Z.E.O.)
| | - Alexandra Aubry
- Department of Bacteriology and Hygiene, Sorbonne Université, Assistance Publique—Hôpitaux de Paris APHP, Pitié-Salpêtrière Hospital, (Cimi-Paris), Inserm U1135, FR-75013 Paris, France;
| | - Romain Brousse
- Department of Nephrology and Dialysis, Sorbonne Université, Assistance Publique—Hôpitaux de Paris APHP, Tenon Hospital, FR-75019 Paris, France;
| | - Jean-François Faucher
- Infectious Diseases and Tropical Medicine Department, Limoges University Hospital, INSERM, University Limoges, IRD, U1094, Institute of Epidemiology and Tropical Neurology, GEIST, FR-87000 Limoges, France;
| | - Zhour El Ouafi
- Kidney Transplantation Departement, Limoges University Hospital, Inserm Umr 1092, Resinfit, FR-87000 Limoges, France; (C.D.); (Z.E.O.)
| | - Pierre Rufat
- Département D’information Médicale (DIM), Sorbonne Université, Assistance Publique—Hôpitaux de Paris APHP, Pitié-Salpêtrière Hospital, FR-75013 Paris, France;
| | - Marie Essig
- Nephrology Department, Université Paris Saclay, Assistance Publique—Hôpitaux de Paris APHP, Ambroise Paré Hospital, FR-92100 Boulogne Billancourt France, CESP Inserm 1018, FR-94800 Villejuif, France;
| | - Benoit Barrou
- Kidney Transplantation Department, Sorbonne Université, Assistance Publique—Hôpitaux de Paris APHP, Pitié-Salpêtrière Hospital, INSERM UMR 1082, FR-75013 Paris, France;
| | - Fatouma Toure
- Department of Nephrology, Transplantation and Dialysis, University Hospital of Limoges, INSERM, CNRS UMR7276, U1262, CRIBL, FR-87000 Limoges, France;
| | - Jérôme Tourret
- Kidney Transplantation Department, Sorbonne Université, Assistance Publique—Hôpitaux de Paris APHP, Pitié-Salpêtrière Hospital, INSERM UMR 1138, FR-75013 Paris, France;
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40
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Pirozzolo I, Li Z, Sepulveda M, Alegre ML. Influence of the microbiome on solid organ transplant survival. J Heart Lung Transplant 2021; 40:745-753. [PMID: 34030971 DOI: 10.1016/j.healun.2021.04.004] [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: 03/03/2021] [Revised: 04/06/2021] [Accepted: 04/11/2021] [Indexed: 10/21/2022] Open
Abstract
The microbiome is an environmental factor in intricate symbiotic relationship with its hosts' immune system, potentially shaping anticancer immunity, autoimmunity, and transplant responses. The focus of this review is to discuss recent findings tying the microbiota to transplant outcomes and alloimmunity. The microbiota changes dynamically following transplantation, but whether these changes affect transplant outcomes can be difficult to parse out. New data reveal effects of the microbiota locally, as well as systemically, depending on the mucosal/epithelial surface colonized, the specific commensal communities present and the nature of microbial-derived molecules produced. These complex interactions result in the microbiota potentially impacting transplantation at different levels, including modulation of donor and/or recipient cells, alterations in the priming and/or effector phases of the alloimmune response, availability or metabolism of immunosuppressive drugs, transplant fate or post-transplant complications.
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Affiliation(s)
- Isabella Pirozzolo
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, Illinois
| | - Zhipeng Li
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, Illinois
| | - Martin Sepulveda
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, Illinois
| | - Maria-Luisa Alegre
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, Illinois.
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Jahan D, Peile E, Sheikh MA, Islam S, Parasnath S, Sharma P, Iskandar K, Dhingra S, Charan J, Hardcastle TC, Samad N, Chowdhury TS, Dutta S, Haque M. Is it time to reconsider prophylactic antimicrobial use for hematopoietic stem cell transplantation? a narrative review of antimicrobials in stem cell transplantation. Expert Rev Anti Infect Ther 2021; 19:1259-1280. [PMID: 33711240 DOI: 10.1080/14787210.2021.1902304] [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: 10/21/2022]
Abstract
INTRODUCTION Hematopoietic Stem Cell Transplantation (HSCT) is a life-saving procedure for multiple types of hematological cancer, autoimmune diseases, and genetic-linked metabolic diseases in humans. Recipients of HSCT transplant are at high risk of microbial infections that significantly correlate with the presence of graft-versus-host disease (GVHD) and the degree of immunosuppression. Infection in HSCT patients is a leading cause of life-threatening complications and mortality. AREAS COVERED This review covers issues pertinent to infection in the HSCT patient, including bacterial and viral infection; strategies to reduce GVHD; infection patterns; resistance and treatment options; adverse drug reactions to antimicrobials, problems of antimicrobial resistance; perturbation of the microbiome; the role of prebiotics, probiotics, and antimicrobial peptides. We highlight potential strategies to minimize the use of antimicrobials. EXPERT OPINION Measures to control infection and its transmission remain significant HSCT management policy and planning issues. Transplant centers need to consider carefully prophylactic use of antimicrobials for neutropenic patients. The judicious use of appropriate antimicrobials remains a crucial part of the treatment protocol. However, antimicrobials' adverse effects cause microbiome diversity and dysbiosis and have been shown to increase morbidity and mortality.
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Affiliation(s)
- Dilshad Jahan
- Department of Hematology, Asgar Ali Hospital, 111/1/A Distillery Road, Gandaria Beside Dhupkhola, Dhaka 1204, Bangladesh
| | - Ed Peile
- Department of Medical Education, Warwick Medical School, University of Warwick, Coventry, UK
| | | | - Salequl Islam
- Department of Microbiology, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh
| | - Sharlene Parasnath
- Department of Clinical Hematology, Inkosi Albert Luthuli Central Hospital, 800 Vusi Mzimela Road, Cato Manor, Durban, South Africa
| | - Paras Sharma
- Department of Pharmacognosy, BVM College of Pharmacy, Gwalior, India
| | - Katia Iskandar
- Lebanese University, School of Pharmacy, Beirut, Lebanon.,INSPECT-LB: Institute National de Sante Publique, Epidemiologie Clinique et Toxicologie, Beirut, Lebanon.,Universite Paul Sabatier UT3, INSERM, UMR1027, Toulouse, France
| | - Sameer Dhingra
- Department of Pharmacy Practice, National Institute of Pharmaceutical Education and Research (NIPER), Hajipur, Bihar, India
| | - Jaykaran Charan
- Department of Pharmacology, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Timothy Craig Hardcastle
- Trauma Service, Inkosi Albert Luthuli Central Hospital, Mayville, South Africa.,Department of Surgery, Nelson R Mandela School of Clinical Medicine, UKZN, South Africa
| | - Nandeeta Samad
- Department of Public Health, North South University, Bangladesh
| | | | - Siddhartha Dutta
- Department of Pharmacology, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Mainul Haque
- The Unit of Pharmacology, Faculty of Medicine and Defence Health, Universiti Pertahanan Nasional Malaysia (National Defence University of Malaysia), Kem Perdana Sungai Besi, Kuala Lumpur, Malaysia
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Robles-Vera I, de la Visitación N, Toral M, Sánchez M, Gómez-Guzmán M, Jiménez R, Romero M, Duarte J. Mycophenolate mediated remodeling of gut microbiota and improvement of gut-brain axis in spontaneously hypertensive rats. Biomed Pharmacother 2021; 135:111189. [PMID: 33388596 DOI: 10.1016/j.biopha.2020.111189] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 11/27/2020] [Accepted: 12/26/2020] [Indexed: 12/15/2022] Open
Abstract
Microbiota has a role in the host blood pressure (BP) regulation. The immunosuppressive drug mofetil mycophenolate (MMF) ameliorates hypertension. The present study analyzes whether MMF improves dysbiosis in a genetic model of hypertension. Twenty weeks old male spontaneously hypertensive rats (SHR) and Wistar Kyoto rats (WKY) were randomly divided into three groups: untreated WKY, untreated SHR, and SHR treated with MMF for 5 weeks. MMF treatment restored gut bacteria from the phyla Firmicutes and Bacteroidetes, and acetate- and lactate-producing bacteria to levels similar to those found in WKY, increasing butyrate-producing bacteria. MMF increased the percentage of anaerobic bacteria in the gut. The improvement of gut dysbiosis was associated with an enhanced colonic integrity and a decreased sympathetic drive in the gut. MMF inhibited neuroinflammation in the paraventricular nuclei in the hypothalamus. MMF increased the lower regulatory T cells proportion in mesenteric lymph nodes and Th17 and Th1 infiltration in aorta, improved aortic endothelial function and reduced systolic BP. This study demonstrates for the first time that MMF reduces gut dysbiosis in SHR. This effect could be related to its capability to improve gut integrity due to reduced sympathetic drive in the gut associated to the reduced brain neuroinflammation.
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Affiliation(s)
- Iñaki Robles-Vera
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, 18071, Granada, Spain
| | - Néstor de la Visitación
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, 18071, Granada, Spain
| | - Marta Toral
- Ciber de Enfermedades Cardiovasculares (CIBERCV), Spain; Gene Regulation in Cardiovascular Remodeling and Inflammation Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Manuel Sánchez
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, 18071, Granada, Spain; Instituto de Investigación Biosanitaria de Granada, ibs.GRANADA, Granada, Spain
| | - Manuel Gómez-Guzmán
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, 18071, Granada, Spain; Instituto de Investigación Biosanitaria de Granada, ibs.GRANADA, Granada, Spain.
| | - Rosario Jiménez
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, 18071, Granada, Spain; Ciber de Enfermedades Cardiovasculares (CIBERCV), Spain; Instituto de Investigación Biosanitaria de Granada, ibs.GRANADA, Granada, Spain
| | - Miguel Romero
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, 18071, Granada, Spain; Instituto de Investigación Biosanitaria de Granada, ibs.GRANADA, Granada, Spain
| | - Juan Duarte
- Department of Pharmacology, School of Pharmacy and Center for Biomedical Research (CIBM), University of Granada, 18071, Granada, Spain; Ciber de Enfermedades Cardiovasculares (CIBERCV), Spain; Instituto de Investigación Biosanitaria de Granada, ibs.GRANADA, Granada, Spain.
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Wang J, Li X, Wu X, Wang Z, Zhang C, Cao G, Liu S, Yan T. Gut microbiota alterations associated with antibody-mediated rejection after kidney transplantation. Appl Microbiol Biotechnol 2021; 105:2473-2484. [PMID: 33625548 DOI: 10.1007/s00253-020-11069-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 12/02/2020] [Accepted: 12/17/2020] [Indexed: 12/13/2022]
Abstract
Antibody-mediated rejection (AMR) has become the major challenge for kidney transplantation, and the efficacy of existing therapies was limited to prevent AMR. Increasing evidences have demonstrated the link between gut microbiota alterations and allograft outcome. However, there has been no comprehensive analysis to profile the gut microbiota associated with AMR after kidney transplantation. We performed this study to characterize the gut microbiota possibly associated with AMR. Fecal specimens were collected from 24 kidney transplantation recipients with AMR and 29 controls. DNA extracted from the specimens was processed for 16S rRNA gene sequencing using Illumina MiSeq. Gut microbial community of recipients with AMR was significantly different from that of controls based on unweighted (P = 0.001) and weighted (P = 0.02) UniFrac distances, and the bacterial richness (observed species: P = 0.0448; Chao1 index: P = 0.0450; ACE index: P = 0.0331) significantly decreased in the AMR group. LEfSe showed that 1 phylum, 5 classes, 7 families, and 10 genera were increased, whereas 1 class, 2 order, 3 families, and 4 genera were decreased in the AMR group. Specific taxa such as Clostridiales could be potentially used as biomarkers to distinguish the recipients with AMR from the controls (AUC = 0.77). PICRUSt analysis illustrated that 16 functional pathways were with significantly different abundances in the AMR and control groups. Our findings provide a foundation for further investigation on the role of gut microbiota in AMR after kidney transplantation, and potentially support novel diagnostic biomarkers and therapeutic options for AMR. KEY POINTS: • Gut microbial community of kidney recipients with AMR was different from that of controls. • Clostridiales is a potential marker to distinguish recipients with AMR from controls.
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Affiliation(s)
- Junpeng Wang
- Department of Urology, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Zhengzhou, 450003, China.,Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Xin Li
- Provincial Cooperative Innovation Center for Cancer Chemoprevention, Zhengzhou, 450001, China.,Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Xiaoqiang Wu
- Department of Urology, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Zhengzhou, 450003, China
| | - Zhiwei Wang
- Department of Urology, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Zhengzhou, 450003, China
| | - Chan Zhang
- Department of Urology, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Zhengzhou, 450003, China
| | - Guanghui Cao
- Department of Urology, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Zhengzhou, 450003, China
| | - Shun Liu
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Tianzhong Yan
- Department of Urology, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Zhengzhou, 450003, China.
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Abstract
Biliary atresia (BA) is a fibro-obliterative condition of the biliary tree, presenting in infancy. The bilioenteric conduit formed at Kasai portoenterostomy (KPE), achieves restoration of bile flow in approximately 60% of infants. Even if the operation is successful, cirrhosis and its associated complications are, however, common. BA remains the leading cause for liver transplantation (LT) in children. Antibiotic, choleretic, and steroid therapy post-KPE have not convincingly reduced LT rates. Advances in molecular technology have enabled characterisation of the encoded genes of the gut microbiota (gut microbiome). The gut microbiome plays an important role in host metabolism, nutrition, and immune function, with alterations in its diversity and/or composition, known as dysbiosis, being described in disease states, including liver disease. Liver-gut microbiome exploration in adulthood largely focuses on nonalcoholic liver disease, cirrhosis (mainly alcohol- or viral-based aetiology) and cholestatic liver diseases (eg, primary sclerosing cholangitis), with microbial signatures correlating to disease severity. Investigation of the gut microbiota in BA had been limited to culture-based methodology, but molecular studies are emerging, and although in their infancy, highlight a potential pathogenic role for Enterobacteriaceae and Streptococcus, and a potential beneficial role for Bifidobacteria. Bacterial translocation, and the production of gut microbiome-derived metabolites, are key host-microbiome-mechanistic pathways in liver disease pathogenesis. Microbiome-targeted therapeutics for liver disease are in development, with faecal microbiota transplantation showing promise in cirrhosis. Could the gut microbiome be a novel modifiable risk factor in BA, reducing the need for LT?
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Salgado-Caxito M, Moreno-Switt AI, Paes AC, Shiva C, Munita JM, Rivas L, Benavides JA. Higher Prevalence of Extended-Spectrum Cephalosporin-Resistant Enterobacterales in Dogs Attended for Enteric Viruses in Brazil Before and After Treatment with Cephalosporins. Antibiotics (Basel) 2021; 10:antibiotics10020122. [PMID: 33525466 PMCID: PMC7912125 DOI: 10.3390/antibiotics10020122] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 01/22/2021] [Accepted: 01/22/2021] [Indexed: 11/21/2022] Open
Abstract
The extensive use of antibiotics is a leading cause for the emergence and spread of antimicrobial resistance (AMR) among dogs. However, the impact of using antibiotics to treat viral infections on AMR remains unknown. In this study, we compared the prevalence of extended-spectrum cephalosporin-resistant Enterobacterales (ESCR-E) between dogs with a suspected infection of canine parvovirus (CPV) and canine distemper (CDV) before and after treatment with third-generation cephalosporins. We found a higher prevalence of ESCR-E faecal carriage in dogs suspected of CPV (37%) and CDV (15%) compared to dogs with noninfectious pathologies (9%) even prior to the start of their treatment. A 7-day course of ceftriaxone or ceftiofur administrated to CPV and CDV-suspected dogs substantially increased their ESCR-E faecal carriage during treatment (85% for CPV and 57% for CDV), and 4 weeks after the treatment ended (89% for CPV and 60% for CDV) when dogs were back in their households. Most of the observed resistance was carried by ESCR-E. coli carrying blaCTX-M genes. Our results suggest the need to optimize prophylactic antibiotic therapy in dogs treated for a suspected viral infection to prevent ESCR-E emergence and spread in the community.
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Affiliation(s)
- Marília Salgado-Caxito
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Science, Sao Paulo State University, Botucatu 18618000, Brazil;
- Millennium Initiative for Collaborative Research on Bacterial Resistance (MICROB-R), Santiago 7550000, Chile; (A.I.M.-S.); (J.M.M.); (L.R.)
- Correspondence: (M.S.-C.); (J.A.B.)
| | - Andrea I. Moreno-Switt
- Millennium Initiative for Collaborative Research on Bacterial Resistance (MICROB-R), Santiago 7550000, Chile; (A.I.M.-S.); (J.M.M.); (L.R.)
- Escuela de Medicina Veterinaria, Pontificia Universidad Católica de Chile, Santiago 8940000, Chile
| | - Antonio Carlos Paes
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Science, Sao Paulo State University, Botucatu 18618000, Brazil;
| | - Carlos Shiva
- Faculty of Veterinary Medicine and Zootechnics, Universidad Cayetano Heredia of Peru, Lima 15102, Peru;
| | - Jose M. Munita
- Millennium Initiative for Collaborative Research on Bacterial Resistance (MICROB-R), Santiago 7550000, Chile; (A.I.M.-S.); (J.M.M.); (L.R.)
- Genomics and Resistant Microbes Group, Facultad de Medicina Clinica Alemana, Universidad del Desarrollo, Santiago 7550000, Chile
| | - Lina Rivas
- Millennium Initiative for Collaborative Research on Bacterial Resistance (MICROB-R), Santiago 7550000, Chile; (A.I.M.-S.); (J.M.M.); (L.R.)
- Genomics and Resistant Microbes Group, Facultad de Medicina Clinica Alemana, Universidad del Desarrollo, Santiago 7550000, Chile
| | - Julio A. Benavides
- Millennium Initiative for Collaborative Research on Bacterial Resistance (MICROB-R), Santiago 7550000, Chile; (A.I.M.-S.); (J.M.M.); (L.R.)
- Departamento de Ecología y Biodiversidad, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago 8320000, Chile
- Centro de Investigación para la Sustentabilidad, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago 8320000, Chile
- Correspondence: (M.S.-C.); (J.A.B.)
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Stavropoulou E, Kantartzi K, Tsigalou C, Konstantinidis T, Romanidou G, Voidarou C, Bezirtzoglou E. Focus on the Gut-Kidney Axis in Health and Disease. Front Med (Lausanne) 2021; 7:620102. [PMID: 33553216 PMCID: PMC7859267 DOI: 10.3389/fmed.2020.620102] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 12/16/2020] [Indexed: 12/11/2022] Open
Abstract
The recent new developments in technology with culture-independent techniques including genome sequencing methodologies shed light on the identification of microbiota bacterial species and their role in health and disease. Microbiome is actually reported as an important predictive tool for evaluating characteristic shifts in case of disease. Our present review states the development of different renal diseases and pathologies linked to the intestinal dysbiosis, which impacts on host homeostasis. The gastrointestinal-kidney dialogue provides intriguing features in the pathogenesis of several renal diseases. Without any doubt, investigation of this interconnection consists one of the most cutting-edge areas of research with potential implications on our health.
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Affiliation(s)
- Elisavet Stavropoulou
- Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
- Department of Infectious Diseases, Central Institute, Valais Hospital, Sion, Switzerland
| | - Konstantia Kantartzi
- Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
| | - Christina Tsigalou
- Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
| | | | | | | | - Eugenia Bezirtzoglou
- Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
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Micó-Carnero M, Rojano-Alfonso C, Álvarez-Mercado AI, Gracia-Sancho J, Casillas-Ramírez A, Peralta C. Effects of Gut Metabolites and Microbiota in Healthy and Marginal Livers Submitted to Surgery. Int J Mol Sci 2020; 22:E44. [PMID: 33375200 PMCID: PMC7793124 DOI: 10.3390/ijms22010044] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/18/2020] [Accepted: 12/20/2020] [Indexed: 12/12/2022] Open
Abstract
Microbiota is defined as the collection of microorganisms within the gastrointestinal ecosystem. These microbes are strongly implicated in the stimulation of immune responses. An unbalanced microbiota, termed dysbiosis, is related to the development of several liver diseases. The bidirectional relationship between the gut, its microbiota and the liver is referred to as the gut-liver axis. The translocation of bacterial products from the intestine to the liver induces inflammation in different cell types such as Kupffer cells, and a fibrotic response in hepatic stellate cells, resulting in deleterious effects on hepatocytes. Moreover, ischemia-reperfusion injury, a consequence of liver surgery, alters the microbiota profile, affecting inflammation, the immune response and even liver regeneration. Microbiota also seems to play an important role in post-operative outcomes (i.e., liver transplantation or liver resection). Nonetheless, studies to determine changes in the gut microbial populations produced during and after surgery, and affecting liver function and regeneration are scarce. In the present review we analyze and discuss the preclinical and clinical studies reported in the literature focused on the evaluation of alterations in microbiota and its products as well as their effects on post-operative outcomes in hepatic surgery.
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Affiliation(s)
- Marc Micó-Carnero
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.M.-C.); (C.R.-A.)
| | - Carlos Rojano-Alfonso
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.M.-C.); (C.R.-A.)
| | - Ana Isabel Álvarez-Mercado
- Departamento de Bioquímica y Biología Molecular II, Escuela de Farmacia, Universidad de Granada, 18071 Granada, Spain;
- Institut of Nutrition and Food Technology “José Mataix”, Center of Biomedical Research, University of Granada, 18016 Granada, Spain
- Instituto de Investigación Biosanitaria ibs, GRANADA, Complejo Hospitalario Universitario de Granada, 18014 Granada, Spain
| | - Jordi Gracia-Sancho
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Laboratory IDIBAPS, 03036 Barcelona, Spain;
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 08036 Barcelona, Spain
| | - Araní Casillas-Ramírez
- Hospital Regional de Alta Especialidad de Ciudad Victoria “Bicentenario 2010”, Ciudad Victoria 87087, Mexico;
- Facultad de Medicina e Ingeniería en Sistemas Computacionales de Matamoros, Universidad Autónoma de Tamaulipas, Matamoros 87300, Mexico
| | - Carmen Peralta
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.M.-C.); (C.R.-A.)
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Baghai Arassi M, Zeller G, Karcher N, Zimmermann M, Toenshoff B. The gut microbiome in solid organ transplantation. Pediatr Transplant 2020; 24:e13866. [PMID: 32997434 DOI: 10.1111/petr.13866] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 08/06/2020] [Accepted: 09/02/2020] [Indexed: 02/06/2023]
Abstract
Despite ground-breaking advances in allogeneic transplantation, allograft rejection and immunosuppressant-specific complications remain a major challenge in transplant medicine. Growing evidence suggests the human gut microbiome as a potential contributor to transplant outcome and patient health. After breakthrough findings in haematopoietic stem cell transplantation (HSCT), the relevance of the microbiome in solid organ transplantation (SOT) is becoming increasingly clear. Here, we review the role of the microbiome in SOT focusing on its significance for transplant-associated complications such as allograft rejection and infections, and highlight its potential impact on immunosuppressive treatment. Moreover, we shed light on the emerging role of the microbiome as a diagnostic biomarker and therapeutic target and discuss current microbial intervention strategies. In addition, this review includes some practical considerations in designing clinical microbiome trials and offers some advice for the interpretation of the resulting data. Further investigation of the gut microbiome harbours countless clinical application possibilities and holds great promise of having a lasting impact on transplant medicine.
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Affiliation(s)
- Maral Baghai Arassi
- Department of Paediatrics I, University Children's Hospital Heidelberg, Heidelberg, Germany.,Structural and Computational Biology Unit, European Molecular Biology Laboratory, Heidelberg, Germany
| | - Georg Zeller
- Structural and Computational Biology Unit, European Molecular Biology Laboratory, Heidelberg, Germany
| | - Nicolai Karcher
- Structural and Computational Biology Unit, European Molecular Biology Laboratory, Heidelberg, Germany
| | - Michael Zimmermann
- Structural and Computational Biology Unit, European Molecular Biology Laboratory, Heidelberg, Germany
| | - Burkhard Toenshoff
- Department of Paediatrics I, University Children's Hospital Heidelberg, Heidelberg, Germany
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Paneth Cell Alterations During Ischemia-reperfusion, Follow-up, and Graft Rejection After Intestinal Transplantation. Transplantation 2020; 104:1952-1958. [PMID: 32265415 DOI: 10.1097/tp.0000000000003257] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
BACKGROUND Ischemia-reperfusion injury is inevitable during intestinal transplantation (ITx) and executes a key role in the evolution towards rejection. Paneth cells (PCs) are crucial for epithelial immune defense and highly vulnerable to ischemia-reperfusion injury. We investigated the effect of ITx on PC after reperfusion (T0), during follow-up, and rejection. Moreover, we investigated whether PC loss was associated with impaired graft homeostasis. METHODS Endoscopic biopsies, collected according to center protocol and at rejection episodes, were retrospectively included (n = 28 ITx, n = 119 biopsies) Biopsies were immunohistochemically co-stained for PC (lysozyme) and apoptosis, and PC/crypt and lysozyme intensity were scored. RESULTS We observed a decrease in PC/crypt and lysozyme intensity in the first week after ITx (W1) compared with T0. There was a tendency towards a larger decline in PC/crypt (P = 0.08) and lysozyme intensity (P = 0.08) in W1 in patients who later developed rejection compared with patients without rejection. Follow-up biopsies showed that the PC number recovered, whereas lysozyme intensity remained reduced. This persisting innate immune defect may contribute to the well-known vulnerability of the intestine to infection. There was no clear evidence that PCs were affected throughout rejection. CONCLUSIONS This study revealed a transient fall in PC numbers in the early post-ITx period but a permanent reduction in lysozyme intensity following ITx. Further research is needed to determine the potential clinical impact of PC impairment after ITx.
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Chu F, Esworthy RS, Shen B, Doroshow JH. Role of the microbiota in ileitis of a mouse model of inflammatory bowel disease-Glutathione peroxide isoenzymes 1 and 2-double knockout mice on a C57BL background. Microbiologyopen 2020; 9:e1107. [PMID: 32810389 PMCID: PMC7568258 DOI: 10.1002/mbo3.1107] [Citation(s) in RCA: 2] [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: 05/10/2020] [Revised: 07/19/2020] [Accepted: 07/25/2020] [Indexed: 12/13/2022] Open
Abstract
C57Bl6 (B6) mice devoid of glutathione peroxidases 1 and 2 (Gpx1/2-DKO) develop ileitis after weaning. We previously showed germ-free Gpx1/2-DKO mice of mixed B6.129 background did not develop ileocolitis. Here, we examine the composition of the ileitis provoking microbiota in B6 Gpx1/2-DKO mice. DNA was isolated from the ileum fecal stream and subjected to high-throughput sequencing of the V3 and V4 regions of the 16S rRNA gene to determine the abundance of operational taxonomic units (OTUs). We analyzed the role of bacteria by comparing the microbiomes of the DKO and pathology-free non-DKO mice. Mice were treated with metronidazole, streptomycin, and vancomycin to alter pathology and correlate the OTU abundances with pathology levels. Principal component analysis based on Jaccard distance of abundance showed 3 distinct outcomes relative to the source Gpx1/2-DKO microbiome. Association analyses of pathology and abundance of OTUs served to rule out 7-11 of 24 OTUs for involvement in the ileitis. Collections of OTUs were identified that appeared to be linked to ileitis in this animal model and would be classified as commensals. In Gpx1/2-DKO mice, host oxidant generation from NOX1 and DUOX2 in response to commensals may compromise the ileum epithelial barrier, a role generally ascribed to oxidants generated from mitochondria, NOX2 and endoplasmic reticulum stress in response to presumptive pathogens in IBD. Elevated oxidant levels may contribute to epithelial cell shedding, which is strongly associated with progress toward inflammation in Gpx1/2-DKO mice and predictive of relapse in IBD by allowing leakage of microbial components into the submucosa.
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Affiliation(s)
- Fong‐Fong Chu
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital and College of Clinical Medicine of HenanUniversity of Science and TechnologyLuoyangChina
| | - R. Steven Esworthy
- Department of Cancer Genetics and EpigeneticsBeckman Research InstituteCity of HopeDuarteCAUSA
| | - Binghui Shen
- Department of Cancer Genetics and EpigeneticsBeckman Research InstituteCity of HopeDuarteCAUSA
| | - James H. Doroshow
- Center for Cancer Research and Division of Cancer Treatment and DiagnosisNational Cancer InstituteBethesdaMDUSA
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