The extracellular matrix of the gastrointestinal tract: A regenerative medicine platform

George S. Hussey, Timothy J. Keane, Stephen F. Badylak*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

59 Scopus citations

Abstract

The synthesis and secretion of components that constitute the extracellular matrix (ECM) by resident cell types occur at the earliest stages of embryonic development, and continue throughout life in both healthy and diseased physiological states. The ECM consists of a complex mixture of insoluble and soluble functional components that are arranged in a tissue-specific 3D ultrastructure, and it regulates numerous biological processes, including angiogenesis, innervation and stem cell differentiation. Owing to its composition and influence on embryonic development, as well as cellular and organ homeostasis, the ECM is an ideal therapeutic substrate for the repair of damaged or diseased tissues. Biologic scaffold materials that are composed of ECM have been used in various surgical and tissue-engineering applications. The gastrointestinal (GI) tract presents distinct challenges, such as diverse pH conditions and the requirement for motility and nutrient absorption. Despite these challenges, the use of homologous and heterologous ECM bioscaffolds for the focal or segmental reconstruction and regeneration of GI tissue has shown promise in early preclinical and clinical studies. This Review discusses the importance of tissue-specific ECM bioscaffolds and highlights the major advances that have been made in regenerative medicine strategies for the reconstruction of functional GI tissues.

Original languageEnglish
Pages (from-to)540-552
Number of pages13
JournalNature Reviews Gastroenterology and Hepatology
Volume14
Issue number9
DOIs
StatePublished - 1 Sep 2017
Externally publishedYes

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