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Huang HW, Chen MJ. Exploring the Preventive and Therapeutic Mechanisms of Probiotics in Chronic Kidney Disease through the Gut-Kidney Axis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:8347-8364. [PMID: 38571475 PMCID: PMC11036402 DOI: 10.1021/acs.jafc.4c00263] [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: 01/09/2024] [Revised: 03/25/2024] [Accepted: 03/25/2024] [Indexed: 04/05/2024]
Abstract
Gut dysbiosis contributes to deterioration of chronic kidney disease (CKD). Probiotics are a potential approach to modulate gut microbiota and gut-derived metabolites to alleviate CKD progression. We aim to provide a comprehensive view of CKD-related gut dysbiosis and a critical perspective on probiotic function in CKD. First, this review addresses gut microbial alterations during CKD progression and the adverse effects associated with the changes in gut-derived metabolites. Second, we conduct a thorough examination of the latest clinical trials involving probiotic intervention to unravel critical pathways via the gut-kidney axis. Finally, we propose our viewpoints on limitations, further considerations, and future research prospects of probiotic adjuvant therapy in alleviating CKD progression. Enhancing our understanding of host-microbe interactions is crucial for gaining precise insights into the mechanisms through which probiotics exert their effects and identifying factors that influence the effectiveness of probiotics in developing strategies to optimize their use and enhance clinical outcomes.
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Affiliation(s)
- Hsiao-Wen Huang
- Department
of Animal Science and Technology, National
Taiwan University, No. 50, Ln. 155, Section 3, Keelung Road, Taipei 10673, Taiwan
| | - Ming-Ju Chen
- Department
of Animal Science and Technology, National
Taiwan University, No. 50, Ln. 155, Section 3, Keelung Road, Taipei 10673, Taiwan
- Center
for Biotechnology, National Taiwan University, No. 81, Changxing Street, Taipei 10672, Taiwan
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André C, Bodeau S, Kamel S, Bennis Y, Caillard P. The AKI-to-CKD Transition: The Role of Uremic Toxins. Int J Mol Sci 2023; 24:16152. [PMID: 38003343 PMCID: PMC10671582 DOI: 10.3390/ijms242216152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/31/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
After acute kidney injury (AKI), renal function continues to deteriorate in some patients. In a pro-inflammatory and profibrotic environment, the proximal tubules are subject to maladaptive repair. In the AKI-to-CKD transition, impaired recovery from AKI reduces tubular and glomerular filtration and leads to chronic kidney disease (CKD). Reduced kidney secretion capacity is characterized by the plasma accumulation of biologically active molecules, referred to as uremic toxins (UTs). These toxins have a role in the development of neurological, cardiovascular, bone, and renal complications of CKD. However, UTs might also cause CKD as well as be the consequence. Recent studies have shown that these molecules accumulate early in AKI and contribute to the establishment of this pro-inflammatory and profibrotic environment in the kidney. The objective of the present work was to review the mechanisms of UT toxicity that potentially contribute to the AKI-to-CKD transition in each renal compartment.
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Affiliation(s)
- Camille André
- Department of Clinical Pharmacology, Amiens Medical Center, 80000 Amiens, France; (S.B.); (Y.B.)
- GRAP Laboratory, INSERM UMR 1247, University of Picardy Jules Verne, 80000 Amiens, France
| | - Sandra Bodeau
- Department of Clinical Pharmacology, Amiens Medical Center, 80000 Amiens, France; (S.B.); (Y.B.)
- MP3CV Laboratory, UR UPJV 7517, University of Picardy Jules Verne, 80000 Amiens, France; (S.K.); (P.C.)
| | - Saïd Kamel
- MP3CV Laboratory, UR UPJV 7517, University of Picardy Jules Verne, 80000 Amiens, France; (S.K.); (P.C.)
- Department of Clinical Biochemistry, Amiens Medical Center, 80000 Amiens, France
| | - Youssef Bennis
- Department of Clinical Pharmacology, Amiens Medical Center, 80000 Amiens, France; (S.B.); (Y.B.)
- MP3CV Laboratory, UR UPJV 7517, University of Picardy Jules Verne, 80000 Amiens, France; (S.K.); (P.C.)
| | - Pauline Caillard
- MP3CV Laboratory, UR UPJV 7517, University of Picardy Jules Verne, 80000 Amiens, France; (S.K.); (P.C.)
- Department of Nephrology, Dialysis and Transplantation, Amiens Medical Center, 80000 Amiens, France
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Mitrea L, Medeleanu M, Pop CR, Rotar AM, Vodnar DC. Biotics (Pre-, Pro-, Post-) and Uremic Toxicity: Implications, Mechanisms, and Possible Therapies. Toxins (Basel) 2023; 15:548. [PMID: 37755974 PMCID: PMC10535688 DOI: 10.3390/toxins15090548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/25/2023] [Accepted: 09/02/2023] [Indexed: 09/28/2023] Open
Abstract
In recent years, more scientific data have pointed out the close connection between intestinal microbial community, nutritional habits, lifestyle, and the appearance of various affections located at certain anatomical systems. Gut dysbiosis enhances the formation and accumulation of specific metabolites with toxic potential that induce the appearance of kidney-associated illnesses. Intestinal microbes are involved in the degradation of food, drugs, or other ingested products that lead to the formation of various metabolites that end up in renal tissue. Over the last few years, the possibilities of modulating the gut microbiota for the biosynthesis of targeted compounds with bioactive properties for reducing the risk of chronic illness development were investigated. In this regard, the present narrative review provides an overview of the scientific literature across the last decade considering the relationship between bioactive compounds, pre-, pro-, and post-biotics, uremic toxicity, and kidney-associated affections, and the possibility of alleviating the accumulation and the negative effects of uremic toxins into the renal system.
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Affiliation(s)
- Laura Mitrea
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania; (L.M.); (M.M.); (A.-M.R.)
- Life Science Institute, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
| | - Mădălina Medeleanu
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania; (L.M.); (M.M.); (A.-M.R.)
| | - Carmen-Rodica Pop
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania; (L.M.); (M.M.); (A.-M.R.)
| | - Ancuța-Mihaela Rotar
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania; (L.M.); (M.M.); (A.-M.R.)
| | - Dan-Cristian Vodnar
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania; (L.M.); (M.M.); (A.-M.R.)
- Life Science Institute, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
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Jerez-Morales A, Merino JS, Díaz-Castillo ST, Smith CT, Fuentealba J, Bernasconi H, Echeverría G, García-Cancino A. The Administration of the Synbiotic Lactobacillus bulgaricus 6c3 Strain, Inulin and Fructooligosaccharide Decreases the Concentrations of Indoxyl Sulfate and Kidney Damage in a Rat Model. Toxins (Basel) 2021; 13:192. [PMID: 33800029 PMCID: PMC7999732 DOI: 10.3390/toxins13030192] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 02/13/2021] [Accepted: 02/16/2021] [Indexed: 12/12/2022] Open
Abstract
Indoxyl sulfate (IS) is involved in the progression of chronic kidney disease (CKD) and in its cardiovascular complications. One of the approaches proposed to decrease IS is the administration of synbiotics. This work aimed to search for a probiotic strain capable to decrease serum IS levels and mix it with two prebiotics (inulin and fructooligosaccharide (FOS)) to produce a putative synbiotic and test it in a rat CKD model. Two groups of Sprague-Dawley rats were nephrectomized. One group (Lac) received the mixture for 16 weeks in drinking water and the other no (Nef). A control group (C) included sham-nephrectomized rats. Serum creatinine and IS concentrations were measured using high-performance liquid chromatography with diode array detector (HPLC-DAD). Optical microscopy and two-photon excitation microscopy was used to study kidney and heart samples. The Lac group, which received the synbiotic, reduced IS by 0.8% while the Nef group increased it by 38.8%. Histological analysis of kidneys showed that the Lac group increased fibrotic areas by 12% and the Nef group did it by 25%. The synbiotic did not reduce cardiac fibrosis. Therefore, the putative synbiotic showed that function reducing IS and the progression of CKD in a rat model, but no heart protection was observed.
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Affiliation(s)
- Alonso Jerez-Morales
- Laboratory of Bacterial Pathogenicity, Faculty of Biological Sciences, Universidad de Concepción, 4070386 Concepción, Chile; (A.J.-M.); (C.T.S.)
- Pasteur Laboratory, Research and Development Department, 4030635 Concepción, Chile; (S.T.D.-C.); (H.B.)
| | - José S. Merino
- Faculty of Veterinary and Agronomy, University of the Americas, 4070254 Concepción, Chile;
| | - Sindy T. Díaz-Castillo
- Pasteur Laboratory, Research and Development Department, 4030635 Concepción, Chile; (S.T.D.-C.); (H.B.)
| | - Carlos T. Smith
- Laboratory of Bacterial Pathogenicity, Faculty of Biological Sciences, Universidad de Concepción, 4070386 Concepción, Chile; (A.J.-M.); (C.T.S.)
| | - Jorge Fuentealba
- Laboratory of Screening of Neuroactive Compounds, Universidad de Concepción, 4070386 Concepción, Chile;
| | - Humberto Bernasconi
- Pasteur Laboratory, Research and Development Department, 4030635 Concepción, Chile; (S.T.D.-C.); (H.B.)
| | | | - Apolinaria García-Cancino
- Laboratory of Bacterial Pathogenicity, Faculty of Biological Sciences, Universidad de Concepción, 4070386 Concepción, Chile; (A.J.-M.); (C.T.S.)
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Liu ZS, Lin CF, Lee CP, Hsieh MC, Lu HF, Chen YF, Ku YW, Chen PW. A Single Plasmid of Nisin-Controlled Bovine and Human Lactoferrin Expressing Elevated Antibacterial Activity of Lactoferrin-Resistant Probiotic Strains. Antibiotics (Basel) 2021; 10:antibiotics10020120. [PMID: 33513782 PMCID: PMC7911973 DOI: 10.3390/antibiotics10020120] [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: 12/26/2020] [Revised: 01/25/2021] [Accepted: 01/25/2021] [Indexed: 11/28/2022] Open
Abstract
Lactoferrin (LF) is a multifunctional protein found in mammals, and it shows broad-spectrum antimicrobial activity. To improve the functional properties of specific probiotics in order to provide both the beneficial characteristics of lactic acid bacteria and the biological activity of LF, cDNAs of bovine LF (BLF), human LF (HLF), or porcine LF (PLF) were cloned into a nisin-inducible plasmid. These were then transformed into the selected eight probiotics, which are LF-resistant hosts. Expression of recombinant LFs (rLFs) was analyzed via SDS-PAGE and Western blot analysis. Although the selected host strains may not contain the nisRK genes (NisK, the sensor kinase; NisR, the regulator protein), the components of autoregulation, a low level of LFs expression can be successfully induced by using nisin within bacterial cells in a time-dependent manner in three engineered clones, including Lactobacillus delbrueckii/HLF, L. delbrueckii/BLF, and L. gasseri/BLF. Lactobacillus delbrueckii and Lactobacillus gasseri originate from yogurt and human milk, respectively, and both strains are functional probiotic strains. Therefore, we further compared the antibacterial activities of disrupted recombinant probiotic clones, conventional strains (host control), and vector control ones by using agar diffusion and broth inhibition analysis, and the expression of rLFs in the above three clones considerately improved their antibacterial efficacies against four important food-borne pathogens, namely, Escherichia coli, Staphylococcus aureus, Enterococcus faecalis, and Salmonellaenterica. In conclusion, this study provides a simple strategy for the production of functional LFs (BLF and HLF) in both functional and LF-resistant hosts for applications in the field.
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Affiliation(s)
- Zhen-Shu Liu
- Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan; (Z.-S.L.); (M.-C.H.); (H.-F.L.)
- Chronic Diseases and Health Promotion Research Center, Chang Gung University of Science and Technology, Chiayi 61363, Taiwan
- Center for Environmental Sustainability and Human Health, Ming Chi University of Technology, New Taipei City, 24301, Taiwan
| | - Chuen-Fu Lin
- Department of Veterinary Medicine, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan;
| | - Chung-Pei Lee
- School of Nursing, National Taipei University of Nursing and Health Sciences, Taipei 11219, Taiwan;
| | - Min-Chi Hsieh
- Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan; (Z.-S.L.); (M.-C.H.); (H.-F.L.)
| | - Hung-Fu Lu
- Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan; (Z.-S.L.); (M.-C.H.); (H.-F.L.)
| | - Ying-Fang Chen
- Department of Veterinary Medicine, National Chung Hsing University, Taichung 40249, Taiwan; (Y.-F.C.); (Y.-W.K.)
| | - Yu-We Ku
- Department of Veterinary Medicine, National Chung Hsing University, Taichung 40249, Taiwan; (Y.-F.C.); (Y.-W.K.)
| | - Po-Wen Chen
- Department of Veterinary Medicine, National Chung Hsing University, Taichung 40249, Taiwan; (Y.-F.C.); (Y.-W.K.)
- Correspondence: ; Tel.: +886-4-22840368-36
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Daneshamouz S, Eduok U, Abdelrasoul A, Shoker A. Protein-bound uremic toxins (PBUTs) in chronic kidney disease (CKD) patients: Production pathway, challenges and recent advances in renal PBUTs clearance. NANOIMPACT 2021; 21:100299. [PMID: 35559786 DOI: 10.1016/j.impact.2021.100299] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 01/13/2021] [Accepted: 01/20/2021] [Indexed: 06/15/2023]
Abstract
Uremic toxins, a group of uremic retention solutes with high concentration which their accumulation on the body makes several biological problems, have recently gained a large interest. The importance of this issue more targets patients with compromised kidney function since the presence of these toxins in their bodies contributes to serious illness and death. It is reported that around 14% of people are subjected of CKD's problems. Among different classifications of uremic toxins, protein bound uremic toxins are poorly removed from the body as they tightly bind to proteins like serum albumin. A deeper and closer understanding of methods for removing protein bound uremic toxins and their efficiency is of paramount importance. This article discussed the most critical protein bound uremic toxins from different points of view including their chemistry, binding sites, interactions, and their biological impacts. Concerning the toxicity and high concentration, p-cresyl sulfate (PCS), Indoxyl sulfate (IS), 3-Carboxy-4-methyl-5-propyl-2-furanpropionic acid (CMPF), and Indole- 3-acetic acid (IAA) was chosen to study in this article. Results offered that the functional groups of mentioned PBUTs and the way that they interact with the adsorbent play an important role in finding substances for removal of them. Furthermore, the development of nanoparticle (NPs) for promising biomedical purposes has been explored. However, there is still a need for further investigation to find biocompatible substances focusing on the removal of PBUTs. PBUTs are a unique class of uremic toxins whose renal clearance mechanisms and role in uremic pathophysiology are still unclear. This review outlines the biochemical aspects of PBUT/protein binding in a view to explaining their renal formation to elimination mechanisms; some examples are drawn from routes involving albumin-binding with indoxyl sulphate, p-cresyl sulfate, p-cresyl glucuronide and hippuric acid. We have also highlighted the kinetic behaviors during dialytic removal of PBUTs to address future concerns regarding dialytic therapy.
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Affiliation(s)
- Sana Daneshamouz
- Department of Chemical and Biological Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, Saskatchewan S7N 5A9, Canada
| | - Ubong Eduok
- Department of Chemical and Biological Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, Saskatchewan S7N 5A9, Canada
| | - Amira Abdelrasoul
- Department of Chemical and Biological Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, Saskatchewan S7N 5A9, Canada; Department of Biomedical Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, Saskatchewan S7N 5A9, Canada.
| | - Ahmed Shoker
- Nephrology Division, College of Medicine, University of Saskatchewan, 107 Wiggins Rd, Saskatoon, SK S7N 5E5, Canada; Saskatchewan Transplant Program, St. Paul's Hospital, 1702 20th Street West Saskatoon Saskatchewan S7M 0Z9, Canada
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Vijayasarathy M, Kiran GK, Balaji S, Jabastin J, Bruntha Devi P, Brindha Priyadarisini V. In Vitro Detoxification Studies of p-Cresol by Intestinal Bacteria Isolated from Human Feces. Curr Microbiol 2020; 77:3000-3012. [DOI: 10.1007/s00284-020-02124-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 07/09/2020] [Indexed: 10/23/2022]
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Lactobacillus salivarius BP121 prevents cisplatin‑induced acute kidney injury by inhibition of uremic toxins such as indoxyl sulfate and p‑cresol sulfate via alleviating dysbiosis. Int J Mol Med 2020; 45:1130-1140. [PMID: 32124946 PMCID: PMC7053870 DOI: 10.3892/ijmm.2020.4495] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 12/24/2019] [Indexed: 02/06/2023] Open
Abstract
The gut microbiota is important for maintaining the integrity of the intestinal barrier, promoting immunological tolerance and carrying out metabolic activities that have not evolved in hosts. Intestinal dysbiosis is associated with chronic kidney disease and probiotic supplementation has been shown to be beneficial. However, it is not known whether gut microorganisms‑specifically, lactic acid bacteria (LAB) can protect against acute kidney injury (AKI). To address this issue, the present study investigated the effects of Lactobacillus salivarius BP121, an intestinal LAB isolated from the feces of newborns, in a rat model of cisplatin‑induced AKI and also in Caco‑2 human intestinal epithelial cells. BP121 prevented cisplatin‑induced AKI in rats, as demonstrated by decreases in inflammation and oxidative stress in kidney tissue and in serum levels of uremic toxins such as indoxyl sulfate (IS) and p‑cresol sulfate (PCS). BP121 also reduced intestinal permeability, as determined using fluorescein isothiocyanate‑dextran by immunohistochemical detection of tight junction (TJ) proteins such as zona occludens‑1 and occludin. The abundance of Lactobacillus spp., which are beneficial intestinal flora, was increased by BP121; this was accompanied by an increase in the concentrations of short‑chain fatty acids in feces. Additionally, H2O2‑induced TJ protein damage was reduced in Caco‑2 cells treated with BP121 culture supernatant, an effect that was reversed by the 5' AMP‑activated protein kinase (AMPK) inhibitor Compound C and Toll‑like receptor (TLR)4 inhibitor TLR4‑IN‑C34. In conclusion, this study demonstrated that L. salivarius BP121 protects against cisplatin‑induced AKI by decreasing inflammation and oxidative stress and this renoprotective effect is partially mediated by modulating the gut environment and thereby suppressing IS and PCS production as well as by regulating AMPK and TLR4 dependent TJ assembly.
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Lee YJ, Li KY, Wang PJ, Huang HW, Chen MJ. Alleviating chronic kidney disease progression through modulating the critical genus of gut microbiota in a cisplatin-induced Lanyu pig model. J Food Drug Anal 2019; 28:103-114. [PMID: 31883598 DOI: 10.1016/j.jfda.2019.10.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 09/22/2019] [Accepted: 10/01/2019] [Indexed: 02/06/2023] Open
Abstract
In the present study, we investigated the effects of Probiotic mix 1 (Pm1) with Lactobacillus plantarum subsp. plantarum, Lactobacillusparacasei subsp. paracasei, and Streptococcus salivarius subsp. thermophilus on preventing renal injury using a chronic kidney disease (CKD) minipig model previously developed in our lab using cisplatin-induced CKD in Lanyu pigs. The results indicated that the high dosage Pm1 (H.Pm1) group demonstrated lower incidence of lesions, including atrophy, mononuclear inflammation, cell infiltration, and interstitial fibrosis in renal tubules in hematoxylin and eosin (H&E) and Masson's trichrome stain. We further systematically investigated the preventing effect of Pm1. The H.Pm1 group decreased inflammatory cytokines production and increased the level of superoxide dismutase activity in plasma. The pigs fed with high dosage of Pm1 group also showed reduced both creatinine and blood urea nitrogen (BUN) when compared with the cisplatin group. Microbiota results indicated that Pm1-intervention not only reduced the abundance of Gram-negative bacteria but also affected the abundance of specific genera biomarkers, Anaerovibrio, possible_genus_SK018, Holdemanella, and Lachnospiraceae_UCG_010 in gut microbiota, leading to decreased inflammation and apoptosis in the kidney and further prevention/alleviation of the symptoms of CKD.
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Affiliation(s)
- Ya-Jane Lee
- Institute of Veterinary Clinical Science, School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan
| | - Kuan-Yi Li
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Pin-Jhu Wang
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Hsiao-Wen Huang
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Ming-Ju Chen
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan; Center for Biotechnology, National Taiwan University, Taipei, Taiwan.
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Vitetta L, Llewellyn H, Oldfield D. Gut Dysbiosis and the Intestinal Microbiome: Streptococcus thermophilus a Key Probiotic for Reducing Uremia. Microorganisms 2019; 7:microorganisms7080228. [PMID: 31370220 PMCID: PMC6723445 DOI: 10.3390/microorganisms7080228] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 07/27/2019] [Accepted: 07/29/2019] [Indexed: 12/15/2022] Open
Abstract
In the intestines, probiotics can produce antagonistic effects such as antibiotic–like compounds, bactericidal proteins such as bacteriocins, and encourage the production of metabolic end products that may assist in preventing infections from various pathobionts (capable of pathogenic activity) microbes. Metabolites produced by intestinal bacteria and the adoptions of molecular methods to cross-examine and describe the human microbiome have refreshed interest in the discipline of nephology. As such, the adjunctive administration of probiotics for the treatment of chronic kidney disease (CKD) posits that certain probiotic bacteria can reduce the intestinal burden of uremic toxins. Uremic toxins eventuate from the over manifestation of glucotoxicity and lipotoxicity, increased activity of the hexosamine and polyol biochemical and synthetic pathways. The accumulation of advanced glycation end products that have been regularly associated with a dysbiotic colonic microbiome drives the overproduction of uremic toxins in the colon and the consequent local pro-inflammatory processes. Intestinal dysbiosis associated with significant shifts in abundance and diversity of intestinal bacteria with a resultant and maintained uremia promoting an uncontrolled mucosal pro-inflammatory state. In this narrative review we further address the efficacy of probiotics and highlighted in part the probiotic bacterium Streptococcus thermophilus as an important modulator of uremic toxins in the gut of patients diagnosed with chronic kidney disease. In conjunction with prudent nutritional practices it may be possible to prevent the progression of CKD and significantly downregulate mucosal pro-inflammatory activity with the administration of probiotics that contain S. thermophilus.
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Affiliation(s)
- Luis Vitetta
- Sydney Medical School, Faculty of Medicine and Health, The University of Sydney, Sydney NSW 2006, Australia.
- Medlab Clinical, Sydney NSW 2015, Australia.
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Laiño JE, Zelaya H, Juárez del Valle M, Savoy de Giori G, LeBlanc JG. Milk fermented with selected strains of lactic acid bacteria is able to improve folate status of deficient rodents and also prevent folate deficiency. J Funct Foods 2015. [DOI: 10.1016/j.jff.2015.04.055] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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12
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Gomathi S, Sasikumar P, Anbazhagan K, Neha SA, Sasikumar S, Selvi M, Selvam GS. Oral administration of indigenous oxalate degrading lactic acid bacteria and quercetin prevents calcium oxalate stone formation in rats fed with oxalate rich diet. J Funct Foods 2015. [DOI: 10.1016/j.jff.2015.05.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
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13
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Cheng FP, Hsieh MJ, Chou CC, Hsu WL, Lee YJ. Detection of indoxyl sulfate levels in dogs and cats suffering from naturally occurring kidney diseases. Vet J 2015; 205:399-403. [PMID: 26118479 DOI: 10.1016/j.tvjl.2015.04.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2014] [Revised: 04/09/2015] [Accepted: 04/12/2015] [Indexed: 11/16/2022]
Abstract
Indoxyl sulfate (IS), a protein-bound uraemic toxin, has been found to accumulate in the serum of people with renal diseases and is associated with free radical induction, nephrotoxicity cardiovascular toxicity, and osteoblast cytotoxicity. Although IS has been studied in humans and in experimental models, the role of IS in dogs and cats with kidney disease has not been investigated. A high performance liquid chromatography system was applied to detect plasma IS concentrations in non-azotaemic animals (63 dogs, 16 cats) and in animals with renal azotaemia (66 dogs, 69 cats). The IS levels of azotaemic animals were significantly higher (P <0.01) than those of non-azotaemic animals (median [IQR] 20.4 (9.5) mg/L vs. 7.2 (8.8) mg/L for dogs; median [IQR] 21 (18.9) mg/L vs. 14.8 (12.3) mg/L for cats). The IS level was significantly correlated with blood urea nitrogen, serum creatinine and phosphate concentrations. Dogs with acute kidney injury had significantly higher IS levels (P <0.01) than those with chronic kidney diseases (CKD) (median [IQR] 57.7 (40.8) mg/L vs. 17.7 (25.1) mg/L). When CKD was graded using the International Renal Interest Society (IRIS) staging system, IS levels were correlated with CKD severity in both dogs and cats. The IS concentration is directly related to loss of renal function. Further studies are necessary to determine whether measurement of IS provides any additional diagnostic or prognostic information in dogs and cats with kidney disease.
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Affiliation(s)
- F P Cheng
- Department of Veterinary Medicine, College of Veterinary Medicine, National Chung Hsing University, No. 250, Kuo Kuang Rd., Taichung 402, Taiwan
| | - M J Hsieh
- Department of Veterinary Medicine, College of Veterinary Medicine, National Chung Hsing University, No. 250, Kuo Kuang Rd., Taichung 402, Taiwan; Department of Internal Medicine, National Taiwan University Veterinary Hospital, No. 153, Sec. 3, Keelung Rd, Taipei 106, Taiwan
| | - C C Chou
- Department of Veterinary Medicine, College of Veterinary Medicine, National Chung Hsing University, No. 250, Kuo Kuang Rd., Taichung 402, Taiwan
| | - W L Hsu
- Graduate Institute of Microbiology and Public Health, College of Veterinary Medicine, National Chung-Hsing University, No. 250, Kuo Kuang Rd., Taichung 402, Taiwan
| | - Y J Lee
- Department of Internal Medicine, National Taiwan University Veterinary Hospital, No. 153, Sec. 3, Keelung Rd, Taipei 106, Taiwan; Institute of Veterinary Clinical Science, School of Veterinary Medicine, College of Bio-Resources and Agriculture, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd, Taipei 106, Taiwan.
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