The intestinal mucus layer is a barrier that separates intestinal contents and epithelial cells,as well as acts as the"mucus layer-soil"for intestinal flora adhesion and colonization.Its structural and funct...The intestinal mucus layer is a barrier that separates intestinal contents and epithelial cells,as well as acts as the"mucus layer-soil"for intestinal flora adhesion and colonization.Its structural and functional integrity is crucial to human health.Intestinal mucus is regulated by factors such as diet,living habits,hormones,neurotransmitters,cytokines,and intestinal flora.The mucus layer’s thickness,viscosity,porosity,growth rate,and glycosylation status affect the structure of the gut flora colonized on it.The interaction between"mucus layer-soil"and"gut bacteria-seed"is an important factor leading to the pathogenesis of non-alcoholic fatty liver disease(NAFLD).Probiotics,prebiotics,fecal microbiota transplantation(FMT),and wash microbial transplantation are efficient methods for managing NAFLD,but their long-term efficacy is poor.FMT is focused on achieving the goal of treating diseases by enhancing the"gut bacteria-seed".However,a lack of effective repair and management of the"mucus layer-soil"may be a reason why"seeds"cannot be well colonized and grow in the host gut,as the thinning and destruction of the"mucus layer-soil"is an early symptom of NAFLD.This review summarizes the existing correlation between intestinal mucus and gut microbiota,as well as the pathogenesis of NAFLD,and proposes a new perspective that"mucus layer-soil"restoration combined with"gut bacteria-seed"FMT may be one of the most effective future strategies for enhancing the long-term efficacy of NAFLD treatment.展开更多
基金National Natural Science Funds of China(Nos.82204827,81970545,and 82170609)Zhejiang Provincial Basic Public Welfare Research Project(Nos.LQ23H270016 and LGF20H030010)+1 种基金Hangzhou Major Science and Technology Plan Project(No.20172016A02)Major Projects of Hangzhou Medical and Health Science and Technology Plan(No.0020191059)
文摘The intestinal mucus layer is a barrier that separates intestinal contents and epithelial cells,as well as acts as the"mucus layer-soil"for intestinal flora adhesion and colonization.Its structural and functional integrity is crucial to human health.Intestinal mucus is regulated by factors such as diet,living habits,hormones,neurotransmitters,cytokines,and intestinal flora.The mucus layer’s thickness,viscosity,porosity,growth rate,and glycosylation status affect the structure of the gut flora colonized on it.The interaction between"mucus layer-soil"and"gut bacteria-seed"is an important factor leading to the pathogenesis of non-alcoholic fatty liver disease(NAFLD).Probiotics,prebiotics,fecal microbiota transplantation(FMT),and wash microbial transplantation are efficient methods for managing NAFLD,but their long-term efficacy is poor.FMT is focused on achieving the goal of treating diseases by enhancing the"gut bacteria-seed".However,a lack of effective repair and management of the"mucus layer-soil"may be a reason why"seeds"cannot be well colonized and grow in the host gut,as the thinning and destruction of the"mucus layer-soil"is an early symptom of NAFLD.This review summarizes the existing correlation between intestinal mucus and gut microbiota,as well as the pathogenesis of NAFLD,and proposes a new perspective that"mucus layer-soil"restoration combined with"gut bacteria-seed"FMT may be one of the most effective future strategies for enhancing the long-term efficacy of NAFLD treatment.
