Abstract
Probiotics are live microorganisms that confer health benefits to the host when administered in appropriate quantities. This beneficial effect has spurred extensive research in the medical and health fields. With rapid advancements in synthetic biology, the genetic and biological characteristics of a broad array of probiotics have been elucidated. Utilizing these insights, genetic editing technologies now enable the precise modification of probiotics, leading to the development of engineered bacteria. Emerging evidence underscores the significant potential of these engineered bacteria in disease management. This review explores the methodologies for creating engineered bacteria, their preliminary applications in healthcare, and the mechanisms underlying their functions. Engineered bacteria are being developed for roles such as in vivo drug delivery systems, biosensors, and mucosal vaccines, thereby contributing to the treatment, diagnosis, and prevention of conditions including inflammatory bowel disease (IBD), metabolic disorders, cancer, and neurodegenerative diseases. The review concludes by assessing the advantages and limitations of engineered bacteria in the context of disease management.
Published Version
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