Journal
INTERFACE FOCUS
Volume 9, Issue 4, Pages -Publisher
ROYAL SOC
DOI: 10.1098/rsfs.2018.0089
Keywords
mesenchymal stem cells; pelvic organ prolapse; macrophages; M1; M2; foreign body reaction; tissue engineering; biomaterials; immunomodulation
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Funding
- National Health and Medical Research Council (NHMRC) of Australia [1081944, 1021126, 1042298]
- Science and Industry Endowment Fund (John Stocker Fellowship) [PF16-122]
- Rebecca L. Cooper Medical Research Foundation [10770]
- CASS Foundation
- Evans Foundation
- CSIRO, Clayton Australia
- Victorian Government's Operational Infrastructure Support Program
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An excessive foreign body response (FBR) has contributed to the adverse events associated with polypropylene mesh usage for augmenting pelvic organ prolapse surgery. Consequently, current biomaterial research considers the critical role of the FBR and now focuses on developing better biocompatible biomaterials rather than using inert implants to improve the clinical outcomes of their use. Tissue engineering approaches using mesenchymal stem cells (MSCs) have improved outcomes over traditional implants in other biological systems through their interaction with macrophages, the main cellular player in the FBR. The unique angiogenic, immunomodulatory and regenerative properties of MSCs have a direct impact on the FBR following biomaterial implantation. In this review, we focus on key aspects of the FBR to tissue-engineered MSC-based implants for supporting pelvic organs and beyond. We also discuss the immunomodulatory effects of the recently discovered endometrial MSCs on the macrophage response to new biomaterials designed for use in pelvic floor reconstructive surgery. We conclude with a focus on considerations in biomaterial design that take into account the FBR and will likely influence the development of the next generation of biomaterials for gynaecological applications.
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