The Role of Blood Microbiome and Microbial Product Translocation in Disease Pathogenesis by Lei Huang* in Advancements in Case Studies_ Journal of Case Studies
Abstract
Circulation
has been considered in a sterile condition in individuals without live
microbial infections. However, recent publications from our group and others
highlight detection of blood microbiome or microbial molecules in healthy
individuals and individuals with various diseases, as well as their potential
roles in disease pathogenesis. In this review, we introduce the published
studies and research advancement in the field of blood microbial and microbial
translocation in disease immunopathogenesis
Introduction
Circulation
has been considered in a sterile condition in individuals without live
microbial infections. However, recent publications highlight detection of blood
microbiome or microbial molecules in healthy individuals and individuals with
various diseases without a live infection or sepsis. Due to the low blood
levels of microbial biomass and background contaminations from experimental
procedures, blood microbiome analysis has been met with technical challenges.
Nonetheless, blood microbiome
provides important information to study the interactions of microbiome and
hosts, which is potentially critical for investigating their effects on host
immune perturbations in various disease conditions. Blood and tissue microbiome
have been studied in some fields. In a recent study, blood and tissue
microbiome has been assessed and cancer-specific
microbial sequences have been identified in different types of cancer in humans
[1]. In another study with seven different type of cancer, evidence was found
that cancer-specific bacteria were detected within both immune cells and cancer
tissues
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