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You H, Lee EU, Kim YK, et al. Biocompatibility and resorption pattern of newly developed hyaluronic acid hydrogel reinforced three-layer poly (lactide-co-glycolide) membrane: histologic observation in rabbit calvarial defect model. Biomater Res. 2014;18:12doi: 10.1186/2055-7124-18-12.
You, H., Lee, E. U., Kim, Y. K., Kim, B. C., Park, J. Y., Lim, H. C., Lee, J. S., Noh, I., Jung, U. W., & Choi, S. H. (2014). Biocompatibility and resorption pattern of newly developed hyaluronic acid hydrogel reinforced three-layer poly (lactide-co-glycolide) membrane: histologic observation in rabbit calvarial defect model. Biomaterials research, 1812. https://doi.org/10.1186/2055-7124-18-12
You, Hoon, et al. "Biocompatibility and resorption pattern of newly developed hyaluronic acid hydrogel reinforced three-layer poly (lactide-co-glycolide) membrane: histologic observation in rabbit calvarial defect model." Biomaterials research vol. 18 (2014): 12. doi: https://doi.org/10.1186/2055-7124-18-12
You H, Lee EU, Kim YK, Kim BC, Park JY, Lim HC, Lee JS, Noh I, Jung UW, Choi SH. Biocompatibility and resorption pattern of newly developed hyaluronic acid hydrogel reinforced three-layer poly (lactide-co-glycolide) membrane: histologic observation in rabbit calvarial defect model. Biomater Res. 2014 Sep 24;18:12. doi: 10.1186/2055-7124-18-12. eCollection 2014. PMID: 26331063; PMCID: PMC4552410.
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Biomater Res. 2014 Sep 24;18:12. doi: 10.1186/2055-7124-18-12. eCollection 2014.

Biocompatibility and resorption pattern of newly developed hyaluronic acid hydrogel reinforced three-layer poly (lactide-co-glycolide) membrane: histologic observation in rabbit calvarial defect model.

Biomaterials research

Hoon You, Eun-Ung Lee, You-Kyoung Kim, Bum-Chul Kim, Jin-Young Park, Hyun-Chang Lim, Jung-Seok Lee, InSup Noh, Ui-Won Jung, Seong-Ho Choi

Affiliations

  1. Department of Periodontology, Research Institute for Periodontal Regeneration, College of Dentistry, Yonsei University, Seoul, 120-752 Korea.
  2. Department of Chemical and Biomolecular Engineering, Seoul, 139-743 Korea.
  3. Department of Chemical and Biomolecular Engineering, Seoul, 139-743 Korea ; Convergence Institute of Biomedical Engineering and Biomaterials, Seoul National University of Science and Technology, Seoul, 139-743 Korea.

PMID: 26331063 PMCID: PMC4552410 DOI: 10.1186/2055-7124-18-12

Abstract

BACKGROUND: The aim of this study was to evaluate the biocompatibility and resorption pattern in three-layer poly (lactide-co-glycolide) (PLGA) membrane according to the concentrations of hyaluronic acid (HA) hydrogel in rabbit calvarial defect model. Four standardized circular defects with 8 mm diameter were created on the four rabbit calvarium. Three-layer PLGA membranes (5% and 10% HA gel) were used as the test groups, both collagen membrane and monolayer PLGA membrane as the control groups.

RESULTS: After sacrificing the animals after 4 and 8 weeks, block sections were harvested and histological observation was performed. Pus formation was observed in a site on the three-layer PLGA membranes (with 10% HA gel) of 4 weeks group and initial inflammatory responses were observed on the three-layer PLGA membrane group. However, when compared to both the monolayer PLGA membrane group and collagen membrane group, the HA gel-reinforced three-layer PLGA membrane showed improved cell occlusion and retention period, showing the formation of the capsule-like structure. There was no definite difference between the results of the membranes fabricated with either 5% or 10% HA hydrogel.

CONCLUSION: The HA reinforced three-layer PGLA membrane was retained longer than control group and showed good property in cell occlusion. Future study is under process to improve the inflammatory response of the three layer PLGA membranes, which were observed in this study.

Keywords: Biocompatibility; Hyaluronic acid; Hydrogel; Poly (lactide-co-glycolide); Rabbit calvaria

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