Journal
GASTROENTEROLOGY
Volume 160, Issue 2, Pages 507-523Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1053/j.gastro.2020.09.060
Keywords
Microbiome; Elderly; Age-related Diseases; Frailty; Inflammation
Categories
Funding
- NIA [R03AG056356, K23AG057790]
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The human gut microbiome, consisting of bacteria, protozoa, fungi, and viruses, plays essential roles in protecting, metabolizing, and maintaining human health. Imbalances within the intestinal microbial community structure are increasingly recognized as being involved in disease processes across various organ systems, particularly due to untoward inflammatory responses. Recent advances in understanding the microbiome's role in aging have opened the door for potential novel therapeutics targeting a less dysbiotic microbiome to prevent or treat age-related diseases.
The human gut microbiome is a collection of bacteria, protozoa, fungi, and viruses that coexist in our bodies and are essential in protective, metabolic, and physiologic functions of human health. Gut dysbiosis has traditionally been linked to increased risk of infection, but imbalances within the intestinal microbial community structure that correlate with untoward inflammatory responses are increasingly recognized as being involved in disease processes that affect many organ systems in the body. Furthermore, it is becoming more apparent that the connection between gut dysbiosis and age-related diseases may lie in how the gut microbiome communicates with both the intestinal mucosa and the systemic immune system, given that these networks have a common interconnection to frailty. We therefore discuss recent advances in our understanding of the important role the microbiome plays in aging and how this knowledge opens the door for potential novel therapeutics aimed at shaping a less dysbiotic microbiome to prevent or treat age-related diseases.
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