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肠道菌群失调与肠道微生物群:一种降低尿毒症的关键益生菌。

Gut Dysbiosis and the Intestinal Microbiome: a Key Probiotic for Reducing Uremia.

作者信息

Vitetta Luis, Llewellyn Hannah, Oldfield Debbie

机构信息

Sydney Medical School, Faculty of Medicine and Health, The University of Sydney, Sydney NSW 2006, Australia.

Medlab Clinical, Sydney NSW 2015, Australia.

出版信息

Microorganisms. 2019 Jul 31;7(8):228. doi: 10.3390/microorganisms7080228.

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 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 .

摘要

在肠道中,益生菌可产生拮抗作用,如抗生素样化合物、细菌素等杀菌蛋白,并促进代谢终产物的产生,这些终产物可能有助于预防各种具有致病活性的共生菌微生物的感染。肠道细菌产生的代谢产物以及采用分子方法对人类微生物组进行交叉检查和描述,重新激发了肾脏病学领域的研究兴趣。因此,补充益生菌治疗慢性肾脏病(CKD)的观点认为,某些益生菌可减轻肠道中尿毒症毒素的负担。尿毒症毒素源于糖毒性和脂毒性的过度表现、己糖胺和多元醇生化及合成途径活性增加。晚期糖基化终产物的积累常与结肠微生物群失调有关,会导致结肠中尿毒症毒素的过度产生以及随之而来的局部促炎过程。肠道菌群失调与肠道细菌丰度和多样性的显著变化相关,进而导致并维持尿毒症,促进不受控制的黏膜促炎状态。在这篇叙述性综述中,我们进一步探讨了益生菌的功效,并部分强调了益生菌作为慢性肾脏病患者肠道中尿毒症毒素重要调节因子的作用。结合谨慎的营养措施,使用含有的益生菌进行治疗,可能预防慢性肾脏病的进展并显著下调黏膜促炎活性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a8aa/6723445/8174dc28415b/microorganisms-07-00228-g001.jpg

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