Collagen type I hydrogel allows migration, proliferation, and osteogenic differentiation of rat bone marrow stromal cells

Eric Hesse, Theresa E. Hefferan, James E. Tarara, Carl Haasper, Rupert Meller, Christian Krettek, Lichun Lu, Michael J Yaszemski

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

Hydrogels are potentially useful for many purposes in regenerative medicine including drug and growth factor delivery, as single scaffold for bone repair or as a filler of pores of another biomaterial in which host mesenchymal progenitor cells can migrate in and differentiate into matrix-producing osteoblasts. Collagen type I is of special interest as it is a very important and abundant natural matrix component. The purpose of this study was to investigate whether rat bone marrow stromal cells (rBMSCs) are able to adhere to, to survive, to proliferate and to migrate in collagen type I hydrogels and whether they can adopt an osteoblastic fate. rBMSCs were obtained from rat femora and plated on collagen type I hydrogels. Before harvest by day 7, 14, and 21, hydrogels were fluorescently labeled, cryo-cut and analyzed by fluorescent-based and laser scanning confocal microscopy to determine cell proliferation, migration, and viability. Osteogenic differentiation was determined by alkaline phosphatase activity. Collagen type I hydrogels allowed the attachment of rBMSCs to the hydrogel, their proliferation, and migration towards the inner part of the gel. rBMSCs started to differentiate into osteoblasts as determined by an increase in alkaline phosphatase activity after two weeks in culture. This study therefore suggests that collagen type I hydrogels could be useful for musculoskeletal regenerative therapies.

Original languageEnglish (US)
Pages (from-to)442-449
Number of pages8
JournalJournal of Biomedical Materials Research - Part A
Volume94
Issue number2
DOIs
StatePublished - Aug 2010

Fingerprint

Hydrogels
Hydrogel
Collagen Type I
Collagen
Rats
Bone
Osteoblasts
Phosphatases
Alkaline Phosphatase
Confocal microscopy
Cell proliferation
Biocompatible Materials
Scaffolds
Fillers
Intercellular Signaling Peptides and Proteins
Biomaterials
Repair
Gels
Scanning
Lasers

Keywords

  • Bone marrow stromal cells
  • Bone regeneration
  • Cell migration
  • Collagen type I hydrogel
  • Osteogenic differentiation

ASJC Scopus subject areas

  • Biomedical Engineering
  • Biomaterials
  • Ceramics and Composites
  • Metals and Alloys

Cite this

Collagen type I hydrogel allows migration, proliferation, and osteogenic differentiation of rat bone marrow stromal cells. / Hesse, Eric; Hefferan, Theresa E.; Tarara, James E.; Haasper, Carl; Meller, Rupert; Krettek, Christian; Lu, Lichun; Yaszemski, Michael J.

In: Journal of Biomedical Materials Research - Part A, Vol. 94, No. 2, 08.2010, p. 442-449.

Research output: Contribution to journalArticle

Hesse, Eric ; Hefferan, Theresa E. ; Tarara, James E. ; Haasper, Carl ; Meller, Rupert ; Krettek, Christian ; Lu, Lichun ; Yaszemski, Michael J. / Collagen type I hydrogel allows migration, proliferation, and osteogenic differentiation of rat bone marrow stromal cells. In: Journal of Biomedical Materials Research - Part A. 2010 ; Vol. 94, No. 2. pp. 442-449.
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