Issue 14, 2024

Reconstitution of human tissue barrier function for precision and personalized medicine

Abstract

Tissue barriers in a body, well known as tissue-to-tissue interfaces represented by endothelium of the blood vessels or epithelium of organs, are essential for maintaining physiological homeostasis by regulating molecular and cellular transports. It is crucial for predicting drug response to understand physiology of tissue barriers through which drugs are absorbed, distributed, metabolized and excreted. Since the FDA Modernization Act 2.0, which prompts the inception of alternative technologies for animal models, tissue barrier chips, one of the applications of organ-on-a-chip or microphysiological system (MPS), have only recently been utilized in the context of drug development. Recent advancements in stem cell technology have brightened the prospects for the application of tissue barrier chips in personalized medicine. In past decade, designing and engineering these microfluidic devices, and demonstrating the ability to reconstitute tissue functions were main focus of this field. However, the field is now advancing to the next level of challenges: validating their utility in drug evaluation and creating personalized models using patient-derived cells. In this review, we briefly introduce key design parameters to develop functional tissue barrier chip, explore the remarkable recent progress in the field of tissue barrier chips and discuss future perspectives on realizing personalized medicine through the utilization of tissue barrier chips.

Graphical abstract: Reconstitution of human tissue barrier function for precision and personalized medicine

Article information

Article type
Critical Review
Submitted
01 Feb 2024
Accepted
05 Jun 2024
First published
19 Jun 2024
This article is Open Access
Creative Commons BY license

Lab Chip, 2024,24, 3347-3366

Reconstitution of human tissue barrier function for precision and personalized medicine

J. Kim, T. Yoon, S. Lee, P. J. Kim and Y. Kim, Lab Chip, 2024, 24, 3347 DOI: 10.1039/D4LC00104D

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