Chronic kidney disease(CKD)is a progressive disease with high morbidity and mortality.Disturbed gut microbiota and toxin accumulation are the main pathologic features of CKD.Current treatments are limited to those tha...Chronic kidney disease(CKD)is a progressive disease with high morbidity and mortality.Disturbed gut microbiota and toxin accumulation are the main pathologic features of CKD.Current treatments are limited to those that alleviate renal impairment in CKD patients,but few interventions are available that specifically target the regulatory mechanisms of gut microbiota.In this context,researchers urgently need new approaches that can significantly improve survival time and quality of life in these patients.In this review,we outline the involvement of the gut-kidney axis in kidney injury through disturbances of gut microbiota and dysregulation of endogenous metabolites,as well as the prominent contribution of gut microbiota in the discovery of CKD that can be used to prevent,diagnose,and treat CKD.Next,we describe several major metabolites associated with the host-gut microbiota that arise from the synthesis of microbial nutrient transformations and subsequent interactions with the kidney.Then,we summarize the role and potential targets of a compromised gut barrier in CKD.Finally,we discuss research advances in the prevention and treatments of CKD through probiotics modulation of gut microbiota structure to reduce enterogenous toxins and their maintenance of gut barrier function.A growing body of research suggests that intervention through probiotics may be a new and promising therapeutic strategy for CKD.展开更多
Stroke is one of the leading causes of death and disability worldwide.However,information on stroke-related tongue coating microbiome(TCM)is limited,and whether TCM modulation could benefit for stroke prevention and r...Stroke is one of the leading causes of death and disability worldwide.However,information on stroke-related tongue coating microbiome(TCM)is limited,and whether TCM modulation could benefit for stroke prevention and rehabilitation is unknown.Here,TCM from stroke patients(SP)was characterized using molecular techniques.The occurrence of stroke resulted in TCM dysbiosis with significantly reduced species richness and diversity.The abundance of Prevotella,Leptotrichia,Actinomyces,Alloprevotella,Haemophilus,and TM7_[G-1]were greatly reduced,but common infection Streptococcus and Pseudomonas were remarkably increased.Furthermore,an antioxidative probiotic Lactiplantibacillus plantarum AR113 was used for TCM intervention in stroke rats with cerebral ischemia/reperfusion(I/R).AR113 partly restored I/R induced change of TCM and gut microbiota with significantly improved neurological deficit,relieved histopathologic change,increased activities of antioxidant enzymes,and decreased contents of oxidative stress biomarkers.Moreover,the gene expression of antioxidant-related proteins and apoptosis-related factors heme oxygenase-1(HO-1),superoxide dismutase(SOD),glutathione peroxidase(GSH-Px),nuclear factor erythroid 2-related factor 2(Nrf2),NAD(P)H:quinone oxidoreductase-1(NQO-1),and Bcl-2 was significantly increased,but cytochrome C,cleaved caspase-3,and Bax were markedly decreased in the brain by AR113 treatment.The results suggested that AR113 could ameliorate cerebral I/R injury through antioxidation and anti-apoptosis pathways,and AR113 intervention of TCM may have the application potential for stroke prevention and control.展开更多
基金supported by the Shandong Taishan Industry Leading Talent Project(LJNY202101)Fundamental Research Funds for the Central Universities(202313041)Qingdao Postdoctoral Applied Research Project(QDBSH20220202059).
文摘Chronic kidney disease(CKD)is a progressive disease with high morbidity and mortality.Disturbed gut microbiota and toxin accumulation are the main pathologic features of CKD.Current treatments are limited to those that alleviate renal impairment in CKD patients,but few interventions are available that specifically target the regulatory mechanisms of gut microbiota.In this context,researchers urgently need new approaches that can significantly improve survival time and quality of life in these patients.In this review,we outline the involvement of the gut-kidney axis in kidney injury through disturbances of gut microbiota and dysregulation of endogenous metabolites,as well as the prominent contribution of gut microbiota in the discovery of CKD that can be used to prevent,diagnose,and treat CKD.Next,we describe several major metabolites associated with the host-gut microbiota that arise from the synthesis of microbial nutrient transformations and subsequent interactions with the kidney.Then,we summarize the role and potential targets of a compromised gut barrier in CKD.Finally,we discuss research advances in the prevention and treatments of CKD through probiotics modulation of gut microbiota structure to reduce enterogenous toxins and their maintenance of gut barrier function.A growing body of research suggests that intervention through probiotics may be a new and promising therapeutic strategy for CKD.
基金supported by National Science Fund for Distinguished Young Scholars(grant No.32025029)Shanghai Education Committee Scientific Research Innovation Project(grant No.2101070007800120)+1 种基金Clinical research project in health industry of Shanghai Municipal Health Commission(202240379)the Development Fund for Shanghai Talents(grant No.2021077).
文摘Stroke is one of the leading causes of death and disability worldwide.However,information on stroke-related tongue coating microbiome(TCM)is limited,and whether TCM modulation could benefit for stroke prevention and rehabilitation is unknown.Here,TCM from stroke patients(SP)was characterized using molecular techniques.The occurrence of stroke resulted in TCM dysbiosis with significantly reduced species richness and diversity.The abundance of Prevotella,Leptotrichia,Actinomyces,Alloprevotella,Haemophilus,and TM7_[G-1]were greatly reduced,but common infection Streptococcus and Pseudomonas were remarkably increased.Furthermore,an antioxidative probiotic Lactiplantibacillus plantarum AR113 was used for TCM intervention in stroke rats with cerebral ischemia/reperfusion(I/R).AR113 partly restored I/R induced change of TCM and gut microbiota with significantly improved neurological deficit,relieved histopathologic change,increased activities of antioxidant enzymes,and decreased contents of oxidative stress biomarkers.Moreover,the gene expression of antioxidant-related proteins and apoptosis-related factors heme oxygenase-1(HO-1),superoxide dismutase(SOD),glutathione peroxidase(GSH-Px),nuclear factor erythroid 2-related factor 2(Nrf2),NAD(P)H:quinone oxidoreductase-1(NQO-1),and Bcl-2 was significantly increased,but cytochrome C,cleaved caspase-3,and Bax were markedly decreased in the brain by AR113 treatment.The results suggested that AR113 could ameliorate cerebral I/R injury through antioxidation and anti-apoptosis pathways,and AR113 intervention of TCM may have the application potential for stroke prevention and control.
