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http://hdl.handle.net/10397/81740
Title: | Compositional alterations of gut microbiota in children with primary nephrotic syndrome after initial therapy | Authors: | Kang, YL Feng, D Law, HKW Qu, W Wu, Y Zhu, GH Huang, WY |
Issue Date: | 2019 | Source: | BMC nephrology, 26 Nov. 2019, v. 20, 434, p. 1-9 | Abstract: | Background Primary nephrotic syndrome (PNS) is a common glomerular disease in children. T cell dysfunction plays a crucial role in the pathogenesis of PNS. Moreover, dysbiosis of gut microbiota contributes to immunological disorders. Whether the initial therapy of PNS affects gut microbiota remains an important question. Our study investigated compositional changes of gut microbiota after initial therapy. Methods Fecal samples of 20 children with PNS were collected before and after 4-week initial therapy. Total bacteria DNA were extracted and the V3-V4 regions of bacteria 16S ribosomal RNA gene were sequenced. The composition of gut microbiota before and after initial therapy was analyzed by bioinformatics methods. The function of altered gut microbiota was predicted with PICRUSt method. Results The richness and diversity of gut microbiota were similar before and after 4-week initial therapy. Gut microbiota at the phylum level was dominated by four phyla including Firmicutes, Proteobacteria, Bacteroidetes and Actinobacteria, but the increased relative abundance after initial therapy was found in Deinococcus-Thermus and Acidobacteria. At the genus level, the increased abundance of gut microbiota after initial therapy was observed in short chain fat acids (SCFA)-producing bacteria including Romboutsia, Stomatobaculum and Cloacibacillus (p < 0.05). Moreover, the predicted functional profile of gut microbiota showed that selenocompound metabolism, isoflavonoid biosynthesis and phosphatidylinositol signaling system weakened after initial therapy of PNS. Conclusions Initial therapy of PNS increased SCFA-producing gut microbiota, but might diminish selenocompound metabolism, isoflavonoid biosynthesis and phosphatidylinositol signaling system in children. |
Keywords: | Primary nephrotic syndrome Gut microbiota Glucocorticoids Children |
Publisher: | BioMed Central | Journal: | BMC nephrology | EISSN: | 1471-2369 | DOI: | 10.1186/s12882-019-1615-4 | Rights: | © The Author(s). 2019Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, andreproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link tothe Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver(http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated. The following publication Kang, Y., Feng, D., Law, H.K. et al. Compositional alterations of gut microbiota in children with primary nephrotic syndrome after initial therapy. BMC Nephrol 20, 434 (2019), 1-9 is available at https://dx.doi.org/10.1186/s12882-019-1615-4 |
Appears in Collections: | Journal/Magazine Article |
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Kang_Compositional_Alterations_Gut.pdf | 1.13 MB | Adobe PDF | View/Open |
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