Myalgic Encephalomyelitis/Chronic Fatigue Syndrome In The Era Of The Human Microbiome: Persistent Pathogens Drive Chronic Symptoms By Interfering With Host Metabolism, Gene Expression, And Immunity

 

 

Scientist using a microscope

 

By Amy Proal and Trevor Marshall in Frontiers in Pediatrics.

 

The illness ME/CFS has been repeatedly tied to infectious agents such as Epstein Barr Virus. Expanding research on the human microbiome now allows ME/CFS-associated pathogens to be studied as interacting members of human microbiome communities. Humans harbor these vast ecosystems of bacteria, viruses and fungi in nearly all tissue and blood. Most well-studied inflammatory conditions are tied to dysbiosis or imbalance of the human microbiome. While gut microbiome dysbiosis has been identified in ME/CFS, microbes and viruses outside the gut can also contribute to the illness. Pathobionts, and their associated proteins/metabolites, often control human metabolism and gene expression in a manner that pushes the body toward a state of illness. Intracellular pathogens, including many associated with ME/CFS, drive microbiome dysbiosis by directly interfering with human transcription, translation, and DNA repair processes.

 

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