Journal
UROLITHIASIS
Volume 46, Issue 6, Pages 503-514Publisher
SPRINGER
DOI: 10.1007/s00240-018-1037-y
Keywords
Nephrolithiasis; Gut microbiota; 16S rRNA; Biomarker
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Funding
- Guangxi Natural Science Foundation [2016GXNSFBA380193]
- Guangxi Natural Science Fund for Innovation Research Team [2013GXNSFFA019002]
- Guangxi Collaborative Innovation Center for genomic and personalized medicine [201319]
- Science and technology research project of Guangxi Higher Education [KY2015YB051]
- Natural Science Foundation of China [81501284]
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Nephrolithiasis is a common urological disease with high prevalence and recurrence rates. Characterizing gut microbiome profiles of nephrolithiasis patients may provide valuable insights and potential biomarkers for the disease. Therefore, we explored the relation between gut microbiome and nephrolithiasis using 16S ribosomal RNA (rRNA) gene sequencing. 13 patients with multiple kidney stones and 13 matched healthy controls were recruited. A decreasing trend in number of observed species in nephrolithiasis patients was detected, although statistical significance was not reached (p = 0.086). The inter-group variability in community structure by beta diversity analysis showed a clear separation between nephrolithiasis patients and healthy controls. Twenty genera differentiated significantly in relative abundance between nephrolithiasis patients and healthy controls (all p < 0.05). Among the 20 genera, Phascolarctobacterium, Parasutterella, Ruminiclostridium_5, Erysipelatoclostridium, Fusicatenibacter and Dorea were correlated with the concentration of the trace elements in blood, including potassium, sodium, calcium and chlorinum. Characteristic microbiome in nephrolithiasis patients was also identified by linear discriminant analysis effect size (LEfSe). These findings may provide novel and non-invasive potential diagnostic biomarkers for nephrolithiasis, and contribute to prevention and treatment of nephrolithiasis from the perspective of maintaining micro-ecological equilibrium in gut.
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