Reengineering bone-implant interfaces for improved mechanotransduction and clinical outcomes

F. Melo-Fonseca, G. Miranda, Helena Domingues, Ines Mendes Pinto, Michael Gasik, Filipe Samuel Silva

Research output: Contribution to journalReview Articlepeer-review

5 Citations (Scopus)

Abstract

The number of patients undergoing joint replacement surgery has progressively increased worldwide due to world population ageing. In the Unites States, for example, the prevalence of hip and knee replacements has increased more than 6 and 10 times, respectively, since 1980. Despite advances in orthopaedic implant research, including the development of novel implantable biomaterials, failures are still observed due to inadequate biomechanical compliance at the bone-implant interface. This comprises static and dynamic mechanical mismatch between the bone and the implant surface. The importance and robustness of biomechanical cues for controlling osteogenic differentiation of mesenchymal stem cells (MSC) have been highlighted in recent studies. However, in the context of bone regenerative medicine, it remains elusive how mechanobiological signals controlling MSC osteogenic differentiation dynamics are modulated in their interaction with the bone and with implants. In this review, we highlight recent technological advances aiming to improve host bone-implant interactions based on the osteogenic and mechanoresponsive potential of MSC, in the context of joint replacement surgery. First, we discuss the extracellular and intracellular mechanical forces underlying proper receptivity and stimulation of physiological MSC differentiation and linked osteogenic activity. Second, we provide a critical overview on how this knowledge can be integrated towards the development of biomaterials for improved bone-implant interfaces. Third, we discuss cross-disciplinarily which contributes to the next generation design of novel pro-active orthopaedic implants and their implantation success.
Original languageEnglish
Pages (from-to)1121-1138
Number of pages18
JournalSTEM CELL REVIEWS AND REPORTS
Volume16
Issue number6
Early online date17 Aug 2020
DOIs
Publication statusPublished - Dec 2020
MoE publication typeA2 Review article in a scientific journal

Keywords

  • BIOMATERIALS
  • surface design
  • mechanobiology
  • Mesenchymal stem cells
  • orthopedic implants
  • failures
  • Osteogenic differentation

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