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Cao C, Li F, Ding Q, Jin X, Tu W, Zhu H, Sun M, Zhu J, Yang D, Fan B. Potassium sodium hydrogen citrate intervention on gut microbiota and clinical features in uric acid stone patients. Appl Microbiol Biotechnol 2024; 108:51. [PMID: 38183479 PMCID: PMC10771603 DOI: 10.1007/s00253-023-12953-y] [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: 08/16/2023] [Revised: 12/06/2023] [Accepted: 12/15/2023] [Indexed: 01/08/2024]
Abstract
The high recurrence rate of renal uric acid stone (UAS) poses a significant challenge for urologists, and potassium sodium hydrogen citrate (PSHC) has been proven to be an effective oral dissolution drug. However, no studies have investigated the impact of PSHC on gut microbiota and its metabolites during stone dissolution therapy. We prospectively recruited 37 UAS patients and 40 healthy subjects, of which 12 patients completed a 3-month pharmacological intervention. Fasting vein blood was extracted and mid-stream urine was retained for biochemical testing. Fecal samples were collected for 16S ribosomal RNA (rRNA) gene sequencing and short chain fatty acids (SCFAs) content determination. UAS patients exhibited comorbidities such as obesity, hypertension, gout, and dyslipidemia. The richness and diversity of the gut microbiota were significantly decreased in UAS patients, Bacteroides and Fusobacterium were dominant genera while Subdoligranulum and Bifidobacterium were poorly enriched. After PSHC intervention, there was a significant reduction in stone size accompanied by decreased serum uric acid and increased urinary pH levels. The abundance of pathogenic bacterium Fusobacterium was significantly downregulated following the intervention, whereas there was an upregulation observed in SCFA-producing bacteria Lachnoclostridium and Parasutterella, leading to a significant elevation in butyric acid content. Functions related to fatty acid synthesis and amino acid metabolism within the microbiota showed upregulation following PSHC intervention. The correlation analysis revealed a positive association between stone pathogenic bacteria abundance and clinical factors for stone formation, while a negative correlation with SCFAs contents. Our preliminary study revealed that alterations in gut microbiota and metabolites were the crucial physiological adaptation to PSHC intervention. Targeted regulation of microbiota and SCFA holds promise for enhancing drug therapy efficacy and preventing stone recurrence. KEY POINTS: • Bacteroides and Fusobacterium were identified as dominant genera for UAS patients • After PSHC intervention, Fusobacterium decreased and butyric acid content increased • The microbiota increased capacity for fatty acid synthesis after PSHC intervention.
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Affiliation(s)
- Cheng Cao
- Department of Urology, The Changshu Hospital Affiliated to Soochow University (Changshu No. 1 People's Hospital), Changshu, China
| | - Feng Li
- Department of Urology, The Changshu Hospital Affiliated to Soochow University (Changshu No. 1 People's Hospital), Changshu, China
| | - Qi Ding
- Department of Urology, The Changshu Hospital Affiliated to Soochow University (Changshu No. 1 People's Hospital), Changshu, China
| | - Xiaohua Jin
- Department of Urology, The Changshu Hospital Affiliated to Soochow University (Changshu No. 1 People's Hospital), Changshu, China
| | - Wenjian Tu
- Department of Urology, The Changshu Hospital Affiliated to Soochow University (Changshu No. 1 People's Hospital), Changshu, China
| | - Hailiang Zhu
- Department of Urology, The Changshu Hospital Affiliated to Soochow University (Changshu No. 1 People's Hospital), Changshu, China
| | - Mubin Sun
- Department of Urology, The Changshu Hospital Affiliated to Soochow University (Changshu No. 1 People's Hospital), Changshu, China
| | - Jin Zhu
- Department of Urology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Dongrong Yang
- Department of Urology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Bo Fan
- Department of Urology, The Changshu Hospital Affiliated to Soochow University (Changshu No. 1 People's Hospital), Changshu, China.
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Cao C, Jin X, Ding Q, Zhu J, Yang D, Fan B. The altered composition of gut microbiota and biochemical features as well as dietary patterns in a southern Chinese population with recurrent renal calcium oxalate stones. Urolithiasis 2023; 51:95. [PMID: 37458823 DOI: 10.1007/s00240-023-01467-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 07/05/2023] [Indexed: 07/20/2023]
Abstract
The correlation among gut microbiota, biochemical features, and dietary patterns in recurrent stone formers has been inadequately investigated in the Chinese population. Forty-two patients with calcium oxalate stones (CaOxS group), including 34 recurrent stone formers (RS group), and 40 nonstone healthy subjects (NS group) from Changshu Hospital Affiliated with Soochow University, were prospectively recruited. Food frequency questionnaires were completed by participants, fasting vein blood was extracted, 24-h urine was collected for biochemical detection, and fecal samples were gathered for 16S ribosomal RNA (rRNA) gene sequencing. BMI; serum levels of triglycerides (TG), high-density lipoprotein cholesterol (HDL-C), magnesium, and creatinine; and urine levels of magnesium in stone formers were significantly different from those of controls, and RS patients showed significantly low serum phosphate and high urine phosphate levels. Celery, bamboo shoots, and pickled food were the favored foods of local stone formers. Patients with recurrent stones had altered microbiota composition, with Escherichia, Fusobacterium, and Epulopiscium being the predominant pathogenic genera. The gut microbiota in RS patients had stronger functions in fatty acid and amino acid degradation but weaker functions in their biosynthesis. The pathogenic genera were positively correlated with BMI; serum levels of TGs and creatinine; urine levels of calcium, phosphate, and uric acid (UA); and celery, bamboo shoots, and pickled food intake. The abundance of Escherichia and Fusobacterium and the levels of serum magnesium and creatinine were the most relevant factors associated with stone recurrence and could be validated as biomarkers of recurrence. Our research provides a novel prevention strategy for the recurrence of renal calcium oxalate stones in the Han Chinese population of southern China.
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Affiliation(s)
- Cheng Cao
- Department of Urology, The Changshu Hospital Affiliated to Soochow University, Changshu, China
| | - Xiaohua Jin
- Department of Urology, The Changshu Hospital Affiliated to Soochow University, Changshu, China
| | - Qi Ding
- Department of Urology, The Changshu Hospital Affiliated to Soochow University, Changshu, China
| | - Jin Zhu
- Department of Urology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Dongrong Yang
- Department of Urology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Bo Fan
- Department of Urology, The Changshu Hospital Affiliated to Soochow University, Changshu, China.
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Liu M, Zhang Y, Wu J, Gao M, Zhu Z, Chen H. Causal relationship between kidney stones and gut microbiota contributes to the gut-kidney axis: a two-sample Mendelian randomization study. Front Microbiol 2023; 14:1204311. [PMID: 37502408 PMCID: PMC10368867 DOI: 10.3389/fmicb.2023.1204311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 06/26/2023] [Indexed: 07/29/2023] Open
Abstract
Background Gut microbiota, particularly Oxalobacter formigenes, has been previously reported to be associated with kidney stones. However, the conflicting results from both observational and intervention studies have created substantial uncertainty regarding the contribution of Oxalobacter formigenes to the formation of kidney stone. Methods We employed a two-sample MR analysis to investigate the causal relationship between gut microbiota and kidney stones using GWASs summary statistics obtained from the MiBioGen and FinnGen consortia. Moreover, we conducted a reserve MR analysis to assess the direction of the causal associations between gut microbiota and kidney stones. The inverse variance weighted (IVW) approach represents the primary method of Mendelian Randomization (MR) analysis. Results Our analyses do not yield supportive evidence for a causal link between the genus Oxalobacter (OR = 0.99, 95% CI: 0.90-1.09, p = 0.811) and the formation of kidney stones. The order Actinomycetales (OR = 0.79, 95% CI: 0.65-0.96, p = 0.020), family Actinomycetaceae (OR = 0.79, 95% CI: 0.65-0.96, p = 0.019), family Clostridiaceae 1 (OR = 0.80, 95% CI: 0.67-0.96, p = 0.015), genus Clostridiumsensustricto 1 (OR = 0.81, 95% CI: 0.67-0.98, p = 0.030) and genus Hungatella (OR = 0.86, 95% CI: 0.74-0.99, p = 0.040) had protective effects on kidney stones, and the genus Haemophilus (OR = 1.16, 95% CI: 1.01-1.33, p = 0.032), genus Ruminococcaceae (UCG010) (OR = 1.38, 95% CI: 1.04-1.84, p = 0.028), genus Subdoligranulum (OR = 1.27, 95% CI: 1.06-1.52, p = 0.009) were risk factors for kidney stones. Differential abundance analysis provide no evidence of a association between Oxalobacter formigenes and kidney stones, and showed genus Subdoligranulum were risk factors for kidney stones. Reverse MR analysis did not indicate any causal association of kidney stones on gut microbiota. No considerable heterogeneity of instrumental variables or horizontal pleiotropy was observed. Conclusion Our two-sample MR study did not find any causal relationship between genus Oxalobacter and kidney stones. The association between gut microbiota and kidney stones does not solely depend on the presence of genus Oxalobacter/Oxalobacter formigenes. A more integrated approach using multiple omics platforms is needed to better understand the pathogenesis of kidney stones in the context of complex gene-environment interactions over time.
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Affiliation(s)
- Minghui Liu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Youjie Zhang
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jian Wu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Meng Gao
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Zewu Zhu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Internal Medicine, Section Endocrinology, Yale University School of Medicine, New Haven, CT, United States
| | - Hequn Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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Nazzal L, Francois F, Henderson N, Liu M, Li H, Koh H, Wang C, Gao Z, Perez GP, Asplin JR, Goldfarb DS, Blaser MJ. Effect of antibiotic treatment on Oxalobacter formigenes colonization of the gut microbiome and urinary oxalate excretion. Sci Rep 2021; 11:16428. [PMID: 34385560 PMCID: PMC8361114 DOI: 10.1038/s41598-021-95992-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 07/23/2021] [Indexed: 12/14/2022] Open
Abstract
The incidence of kidney stones is increasing in the US population. Oxalate, a major factor for stone formation, is degraded by gut bacteria reducing its intestinal absorption. Intestinal O. formigenes colonization has been associated with a lower risk for recurrent kidney stones in humans. In the current study, we used a clinical trial of the eradication of Helicobacter pylori to assess the effects of an antibiotic course on O. formigenes colonization, urine electrolytes, and the composition of the intestinal microbiome. Of 69 healthy adult subjects recruited, 19 received antibiotics for H. pylori eradication, while 46 were followed as controls. Serial fecal samples were examined for O. formigenes presence and microbiota characteristics. Urine, collected serially fasting and following a standard meal, was tested for oxalate and electrolyte concentrations. O. formigenes prevalence was 50%. Colonization was significantly and persistently suppressed in antibiotic-exposed subjects but remained stable in controls. Urinary pH increased after antibiotics, but urinary oxalate did not differ between the control and treatment groups. In subjects not on antibiotics, the O. formigenes-positive samples had higher alpha-diversity and significantly differed in Beta-diversity from the O. formigenes-negative samples. Specific taxa varied in abundance in relation to urinary oxalate levels. These studies identified significant antibiotic effects on O. formigenes colonization and urinary electrolytes and showed that overall microbiome structure differed in subjects according to O. formigenes presence. Identifying a consortium of bacterial taxa associated with urinary oxalate may provide clues for the primary prevention of kidney stones in healthy adults.
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Affiliation(s)
- Lama Nazzal
- New York University Langone Health, New York University, New York, USA
| | - Fritz Francois
- New York University Langone Health, New York University, New York, USA
| | - Nora Henderson
- New York University Langone Health, New York University, New York, USA
| | - Menghan Liu
- Vilcek Institute of Graduate Biomedical Sciences, New York University Langone Health, New York, USA
| | - Huilin Li
- Division of Biostatistics, Department of Population Health, New York University Langone Health, New York University, New York, USA
| | - Hyunwook Koh
- Department of Applied Mathematics and Statistics, The State University of New York, Korea, Incheon, 21985, South Korea
| | - Chan Wang
- Division of Biostatistics, Department of Population Health, New York University Langone Health, New York University, New York, USA
| | - Zhan Gao
- Center for Advanced Biotechnology and Medicine, Rutgers University, 679 Hoes Lane West, Piscataway, NJ, 08854-8021, USA
| | | | | | - David S Goldfarb
- New York University Langone Health, New York University, New York, USA
| | - Martin J Blaser
- New York University Langone Health, New York University, New York, USA. .,Center for Advanced Biotechnology and Medicine, Rutgers University, 679 Hoes Lane West, Piscataway, NJ, 08854-8021, USA.
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Nazzal L, Soiefer L, Chang M, Tamizuddin F, Schatoff D, Cofer L, Aguero-Rosenfeld ME, Matalon A, Meijers B, Holzman R, Lowenstein J. Effect of Vancomycin on the Gut Microbiome and Plasma Concentrations of Gut-Derived Uremic Solutes. Kidney Int Rep 2021; 6:2122-2133. [PMID: 34386661 PMCID: PMC8343810 DOI: 10.1016/j.ekir.2021.05.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 05/03/2021] [Accepted: 05/10/2021] [Indexed: 12/12/2022] Open
Abstract
Introduction Declining renal function results in the accumulation of solutes normally excreted by healthy kidneys. Data suggest that some of the protein-bound solutes mediate accelerated cardiovascular disease. Many of the poorly dialyzable protein-bound uremic retention solutes are products of gut bacterial metabolism. Methods We performed a blinded-randomized controlled trial comparing the changes in plasma concentrations of a panel of protein-bound solutes and microbiome structure in response to the once-weekly oral administration of 250 mg of vancomycin or placebo over a period of 12 weeks in a cohort of stable patients with end-stage kidney disease. We also examined the pattern of recovery of the solutes and gut microbiome over 12 weeks of placebo administration following vancomycin. Results We enrolled 15 subjects. Ten subjects provided sufficient plasma and stool samples to permit us to examine the effect of vancomycin on plasma solute levels. We showed that a weekly dose of vancomycin resulted in a reduction in the plasma concentration of 7 colon-derived solutes. We described a significant effect of vancomycin on the microbiome structure with a decrease in alpha diversity and change in beta diversity. Multiple taxa decreased with vancomycin including genera Clostridium and Bacteroides. We demonstrated microbiome recovery after stopping vancomycin. However, recovery in the solutes was highly variable between subjects. Conclusions We demonstrated that microbiome suppression using vancomycin resulted in changes in multiple gut-derived uremic solutes. Future studies are needed to address whether reduction in those uremic solutes results in improvement of cardiovascular outcomes in ESKD patients.
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Affiliation(s)
- Lama Nazzal
- Department of Medicine, New York University School of Medicine, New York, New York, USA
| | - Leland Soiefer
- Department of Medicine, New York-Presbyterian/Weill Cornell, New York, New York, USA
| | - Michelle Chang
- Department of Medicine, Columbia University Irving Medical Center, New York, New York, USA
| | - Farah Tamizuddin
- Department of Radiology, New York University School of Medicine, New York, New York, USA
| | - Daria Schatoff
- Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Lucas Cofer
- Department of Medicine, New York University School of Medicine, New York, New York, USA
| | | | - Albert Matalon
- Department of Medicine, New York University School of Medicine, New York, New York, USA
| | - Bjorn Meijers
- Department of Nephrology and Renal Transplantation, University Hospitals Leuven, Leuven, Belgium
| | - Robert Holzman
- Department of Medicine, New York University School of Medicine, New York, New York, USA
| | - Jerome Lowenstein
- Department of Medicine, New York University School of Medicine, New York, New York, USA
- Correspondence: Jerome Lowenstein, Department of Medicine, New York University School of Medicine, 550 First Avenue, New York, NY 10016, USA.
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Liu M, Devlin JC, Hu J, Volkova A, Battaglia TW, Ho M, Asplin JR, Byrd A, Loke P, Li H, Ruggles KV, Tsirigos A, Blaser MJ, Nazzal L. Microbial genetic and transcriptional contributions to oxalate degradation by the gut microbiota in health and disease. eLife 2021; 10:e63642. [PMID: 33769280 PMCID: PMC8062136 DOI: 10.7554/elife.63642] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 03/23/2021] [Indexed: 12/14/2022] Open
Abstract
Over-accumulation of oxalate in humans may lead to nephrolithiasis and nephrocalcinosis. Humans lack endogenous oxalate degradation pathways (ODP), but intestinal microbes can degrade oxalate using multiple ODPs and protect against its absorption. The exact oxalate-degrading taxa in the human microbiota and their ODP have not been described. We leverage multi-omics data (>3000 samples from >1000 subjects) to show that the human microbiota primarily uses the type II ODP, rather than type I. Furthermore, among the diverse ODP-encoding microbes, an oxalate autotroph, Oxalobacter formigenes, dominates this function transcriptionally. Patients with inflammatory bowel disease (IBD) frequently suffer from disrupted oxalate homeostasis and calcium oxalate nephrolithiasis. We show that the enteric oxalate level is elevated in IBD patients, with highest levels in Crohn's disease (CD) patients with both ileal and colonic involvement consistent with known nephrolithiasis risk. We show that the microbiota ODP expression is reduced in IBD patients, which may contribute to the disrupted oxalate homeostasis. The specific changes in ODP expression by several important taxa suggest that they play distinct roles in IBD-induced nephrolithiasis risk. Lastly, we colonize mice that are maintained in the gnotobiotic facility with O. formigenes, using either a laboratory isolate or an isolate we cultured from human stools, and observed a significant reduction in host fecal and urine oxalate levels, supporting our in silico prediction of the importance of the microbiome, particularly O. formigenes in host oxalate homeostasis.
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Affiliation(s)
- Menghan Liu
- NYU Langone HealthNew YorkUnited States
- Vilcek Institute of Graduate Biomedical SciencesNew YorkUnited States
| | - Joseph C Devlin
- NYU Langone HealthNew YorkUnited States
- Vilcek Institute of Graduate Biomedical SciencesNew YorkUnited States
| | - Jiyuan Hu
- NYU Langone HealthNew YorkUnited States
| | - Angelina Volkova
- NYU Langone HealthNew YorkUnited States
- Vilcek Institute of Graduate Biomedical SciencesNew YorkUnited States
| | | | - Melody Ho
- NYU Langone HealthNew YorkUnited States
| | - John R Asplin
- Litholink Corporation, Laboratory Corporation of America HoldingsChicagoUnited States
| | - Allyson Byrd
- Department of Cancer Immunology, Genentech IncSouth San FranciscoUnited States
| | - P'ng Loke
- NYU Langone HealthNew YorkUnited States
| | - Huilin Li
- NYU Langone HealthNew YorkUnited States
| | | | | | - Martin J Blaser
- Center for Advanced Biotechnology and Medicine, Rutgers UniversityNew YorkUnited States
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Nazzal L, Ho M, Wu M, Charytan DM. Oxalate Nephropathy in an Oxalobacter formigenes-Negative Subject. Kidney Int Rep 2020; 5:754-757. [PMID: 32405600 PMCID: PMC7210700 DOI: 10.1016/j.ekir.2020.02.1031] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 02/14/2020] [Accepted: 02/24/2020] [Indexed: 11/25/2022] Open
Affiliation(s)
- Lama Nazzal
- New York University Langone Health, New York University, New York, New York, USA
| | - Melody Ho
- New York University Langone Health, New York University, New York, New York, USA
| | - Ming Wu
- New York University Langone Health, New York University, New York, New York, USA
| | - David M Charytan
- New York University Langone Health, New York University, New York, New York, USA
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Calcium Oxalate Nephrolithiasis and Gut Microbiota: Not just a Gut-Kidney Axis. A Nutritional Perspective. Nutrients 2020; 12:nu12020548. [PMID: 32093202 PMCID: PMC7071363 DOI: 10.3390/nu12020548] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/14/2020] [Accepted: 02/18/2020] [Indexed: 12/13/2022] Open
Abstract
Recent studies have shown that patients with kidney stone disease, and particularly calcium oxalate nephrolithiasis, exhibit dysbiosis in their fecal and urinary microbiota compared with controls. The alterations of microbiota go far beyond the simple presence and representation of Oxalobacter formigenes, a well-known symbiont exhibiting a marked capacity of degrading dietary oxalate and stimulating oxalate secretion by the gut mucosa. Thus, alterations of the intestinal microbiota may be involved in the pathophysiology of calcium kidney stones. However, the role of nutrition in this gut-kidney axis is still unknown, even if nutritional imbalances, such as poor hydration, high salt, and animal protein intake and reduced fruit and vegetable intake, are well-known risk factors for kidney stones. In this narrative review, we provide an overview of the gut-kidney axis in nephrolithiasis from a nutritional perspective, summarizing the evidence supporting the role of nutrition in the modulation of microbiota composition, and their relevance for the modulation of lithogenic risk.
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