Bone matrix non-collagenous proteins in tissue engineering: Creating new bone by mimicking the extracellular matrix

Marta S. Carvalho, Joaquim M.S. Cabral, Cláudia L. da Silva, Deepak Vashishth

Research output: Contribution to journalReview articlepeer-review

23 Scopus citations

Abstract

Engineering biomaterials that mimic the extracellular matrix (ECM) of bone is of significant importance since most of the outstanding properties of the bone are due to matrix constitution. Bone ECM is composed of a mineral part comprising hydroxyapatite and of an organic part of primarily collagen with the rest consisting on non-collagenous proteins. Collagen has already been described as critical for bone tissue regeneration; however, little is known about the potential effect of non-collagenous proteins on osteogenic differentiation, even though these proteins were identified some decades ago. Aiming to engineer new bone tissue, peptide-incorporated biomimetic materials have been developed, presenting improved biomaterial performance. These promising results led to ongoing research focused on incorporating non-collagenous proteins from bone matrix to enhance the properties of the scaffolds namely in what concerns cell migration, proliferation, and differentiation, with the ultimate goal of designing novel strategies that mimic the native bone ECM for bone tissue engineering applications. Overall, this review will provide an overview of the several non-collagenous proteins present in bone ECM, their functionality and their recent applications in the bone tissue (including dental) engineering field.

Original languageEnglish
Article number1095
JournalPolymers
Volume13
Issue number7
DOIs
StatePublished - 1 Apr 2021
Externally publishedYes

Keywords

  • Biomimetic scaffolds
  • Bone tissue engineering
  • Extracellular matrix
  • Non-collagenous proteins

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