Article
  • Inflammatory Responses to Hydroxyapatite/Poly(lactic-co-glycolic acid) Scaffolds with Variation of Compositions
  • Jang JE, Kim HM, Kim H, Jeon DY, Park CH, Kwon SY, Chung JW, Khang G
  • 하이드록시아파타이트/락타이드 글리콜라이드 공중합체 지지체 조성에 따른 염증 완화 효과
  • 장지은, 김혜민, 김형석, 전대연, 박찬흠, 권순용, 정진화, 강길선
Abstract
Hydroxyapatite has osteoconductivity, biocompatibility and noninflammatory, and it has been used clinically as artificial bone. In this study, we prepared hydroxyapatite/poly(lactic-co-glycolic acid) (PLGA) scaffolds using 0, 10, 20, 40 and 60 wt% of hydroxyapatite. We analyzed compressive strength, SEM analysis and FTIR for mechanical property of 3D hydroxyapatite/PLGA scaffolds. For biocompatibility tests, cell proliferation and viability were measured via MTT assay and SEM. We analyzed RT-PCR, FACS, histology (H&E, ED-1) for anti-inflammatory effect. This study showed that hydroxyapatite hybrid scaffolds have low inflammatory reaction compared with the PLGA. This result has a potential for the application of artificial bone graft material.

하이드록시아파타이트는 골 전도가 우수하고 생체 적합성이 우수하며 염증 반응을 일으키지 않아 임상에서 골이식재로 널리 사용되고 있다. 본 연구에서는 하이드록시아파타이트를 함유한 poly(lactic-co-glycolic acid) (PLGA) 지지체를 제조하였으며 생체 내/외의 실험을 통하여 골 이식재로서의 응용가능성을 평가하였다. 하이드록시아파타이트/PLGA 지지체는 0, 10, 20, 40 및 60 wt%의 함량으로 제조하였다. 기계적 특성을 알아보기 위하여 압축강도, SEM, FTIR을 측정하였으며 MTT, RT-PCR, FACS, 조직학적 염색(H&E, ED-1)을 실시하였다. 그 결과 하이드록시아파타이트를 함유한 PLGA 지지체에서 염증 반응이 감소하는 것을 확인할 수 있었으며 골 이식재로서의 가능성을 보여주었다.

Keywords: hydroxyapatite; inflammatory reaction; scaffold; artificial bone.

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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2023 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 2014; 38(2): 156-163

    Published online Mar 25, 2014

  • Received on Sep 17, 2013
  • Accepted on Nov 6, 2013