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An integrated metabolomics and 16S rRNA gene sequencing approach exploring the molecular pathways and potential targets behind the effects of Radix Scrophulariae

机译:综合的代谢组和16S rRNA基因测序方法探讨了纤维素斜视效果背后的分子途径和潜在目标

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To assess the impact of the caecal microbiota on faecal metabolic phenotypes in the presence of Radix Scrophulariae (Chinese name: Xuanshen ), an integrated approach involving 16S rRNA gene sequencing combined with ultrahigh-performance liquid chromatography/time-of-flight mass spectrometry (UHPLC/TOF-MS)-based faecal metabolomics was applied to Radix Scrophulariae-treated rats. Interestingly, Radix Scrophulariae led to significant gut microbiota changes at the phylum and genus levels in treated rats compared to control rats. Additionally, distinct changes in faecal metabolites, including linoleic acid (LA), guanosine, inosine, hypoxanthine, xanthine, 4-hydroxycinnamic acid, cholic acid, N -acetyl- D -glucosamine, L -urobilinogen and uridine, were observed in Radix Scrophulariae-treated rats. Of these, seven metabolites were up-regulated, and the remaining three metabolites were down-regulated. Moreover, there were substantial associations between altered levels of gut microbiota genera and discrepant levels of faecal metabolites, particularly for compounds involved in LA and purine metabolism. These results demonstrated that the gut microbiota is altered in association with faecal metabolism following treatment with Radix Scrophulariae. Our findings suggest that further application of this 16S rRNA gene sequencing and UHPLC/TOF-MS-based metabolomics approach will facilitate the assessment of the pharmacological action of Radix Scrophulariae and thus expand the scope of this herb.
机译:为了评估Caecal Microbiota对脊椎纤维运动症(中文:Xuanshen)存在的粪便代谢表型的影响,涉及16S rRNA基因测序的综合方法与超高效液相色谱/飞行时间质谱(UHPLC / TOF-MS)基础的粪便代谢组科用于基因骨质治疗大鼠。有趣的是,与对照大鼠相比,基数玄盲症导致治疗大鼠的Phylum和Genus水平的显着肠道微生物。另外,在脊椎蛋白骨质扫描剂中观察到粪酸(La),鸟苷,肌苷,次黄嘌呤,黄嘌呤,4-羟基氨基氨基,L-尿嘧啶和尿苷中的不同变化。 -treated大鼠。其中,上调了七种代谢物,剩余的三种代谢物被下调。此外,在肠道微生物症的改变水平和粪便代谢物的差异水平之间存在相应的关联,特别是对于参与La和嘌呤代谢的化合物。这些结果表明,随后用脊髓纤维素治疗后,肠道微生物会与粪便代谢相关。我们的研究结果表明,该16S rRNA基因测序和基于UHPLC / TOF-MS的代谢组种方法的进一步应用将促进对脊椎纤维素的药理作用,从而扩大该草本植物的范围。

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