Advances on gradient scaffolds for osteochondral tissue engineering

Joaquim M. Oliveira*, Viviana P. Ribeiro, Rui L. Reis

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

5 Citations (Scopus)

Abstract

The osteochondral (OC) tissue is one of the most hierarchical and complex structures known and it is composed by two main compartments of hyaline articular cartilage and subchondral bone. It exhibits unique cellular and molecular transitions from the cartilage to the bone layers. OC diseases such as osteoarthritis and traumatic lesions may affect the articular cartilage, calcified cartilage (interface region) and subchondral bone, thus posing great regenerative challenges. Tissue engineering (TE) principles can offer novel technologies and combinatorial approaches that can better recapitulate the biological OC challenges and complexity in terms of biochemical, mechanical, structural and metabolic gradients, and ultimately can provide biofunctional 3D scaffolds with high reproducibility, versatility and adaptability to each patient's needs, as it occurs in OC tissue defects. The recent reports and future directions dealing with gradient scaffolds for OCTE strategies are overviewed herein. A special focus on clinical translation/regulatory approval is given.
Original languageEnglish
Article number033001
Number of pages21
JournalProgress in Biomedical Engineering
Volume3
Issue number3
DOIs
Publication statusPublished - Jul 2021
Externally publishedYes

Keywords

  • Biomaterials
  • Gradients
  • Osteochondral
  • Scaffolds
  • Stem cells
  • Tissue engineering

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