Biological characterization of EDC-crosslinked collagen-hyaluronic acid matrix in dermal tissue restoration

Si Nae Park, Hye Jung Lee, Kwanghoon Lee, Hwal Suh

Research output: Contribution to journalArticle

186 Citations (Scopus)

Abstract

Porous collagen matrices crosslinked with various amounts of hyaluronic acid (HA) by 1-ethyl-3-(3-dimethyl aminopropyl)carbodiimide (EDC) were developed as scaffolds for dermal tissue regeneration. The effect of HA on cells in accordance with HA concentrations in the collagenous matrices was investigated using cultures of fetal human dermal fibroblasts, and the effect of EDC-crosslinked collagen-HA matrix on wound size reduction was also evaluated in vivo. scanning electron microscopic views of the matrices demonstrated that all of the collagen-HA matrices had interconnected pores with mean diameters of 150-250μm. An HA matrix retention test showed that the concentration of HA decreased slowly after an initial rapid decrease over 24h. Fetal human dermal fibroblasts adhered well to all of the collagen-based matrices as compared with the Porous polyurethane matrix used as a control. An 3-(4,5-dimethylthiazolyl)-2,5-diphenyltetrazolium bromide based proliferation test and the hematoxylin and eosin staining of a 2 week cultured matrix showed that the proliferation of fibroblasts was enhanced on a 9.6% HA contained collagen matrix. No significant difference was in terms of fibroblast migration into the various types of scaffolds as HA content was increased. In vivo testing showed that dermis treated with collagen or collagen-HA matrix was thicker than the control, and epithelial regeneration was accelerated, and collagen synthesis increased. However, no significant effect of HA on wound size reduction was found.

Original languageEnglish
Pages (from-to)1631-1641
Number of pages11
JournalBiomaterials
Volume24
Issue number9
DOIs
Publication statusPublished - 2003 Apr 1

Fingerprint

Hyaluronic acid
Hyaluronic Acid
Collagen
Restoration
Tissue
Skin
Fibroblasts
Scaffolds
Regeneration
Tissue Scaffolds
Tissue regeneration
Polyurethanes
Wounds and Injuries
Hematoxylin
Eosine Yellowish-(YS)
Dermis
Bromides
Cell culture

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Ceramics and Composites
  • Biophysics
  • Biomaterials
  • Mechanics of Materials

Cite this

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abstract = "Porous collagen matrices crosslinked with various amounts of hyaluronic acid (HA) by 1-ethyl-3-(3-dimethyl aminopropyl)carbodiimide (EDC) were developed as scaffolds for dermal tissue regeneration. The effect of HA on cells in accordance with HA concentrations in the collagenous matrices was investigated using cultures of fetal human dermal fibroblasts, and the effect of EDC-crosslinked collagen-HA matrix on wound size reduction was also evaluated in vivo. scanning electron microscopic views of the matrices demonstrated that all of the collagen-HA matrices had interconnected pores with mean diameters of 150-250μm. An HA matrix retention test showed that the concentration of HA decreased slowly after an initial rapid decrease over 24h. Fetal human dermal fibroblasts adhered well to all of the collagen-based matrices as compared with the Porous polyurethane matrix used as a control. An 3-(4,5-dimethylthiazolyl)-2,5-diphenyltetrazolium bromide based proliferation test and the hematoxylin and eosin staining of a 2 week cultured matrix showed that the proliferation of fibroblasts was enhanced on a 9.6{\%} HA contained collagen matrix. No significant difference was in terms of fibroblast migration into the various types of scaffolds as HA content was increased. In vivo testing showed that dermis treated with collagen or collagen-HA matrix was thicker than the control, and epithelial regeneration was accelerated, and collagen synthesis increased. However, no significant effect of HA on wound size reduction was found.",
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Biological characterization of EDC-crosslinked collagen-hyaluronic acid matrix in dermal tissue restoration. / Park, Si Nae; Lee, Hye Jung; Lee, Kwanghoon; Suh, Hwal.

In: Biomaterials, Vol. 24, No. 9, 01.04.2003, p. 1631-1641.

Research output: Contribution to journalArticle

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