Journal of Chest Surgery

The Korean Society for Thoracic and Cardiovascular Surgery (대한심장혈관흉부외과학회)
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Antigenicity of Fetal Calf Serum as Preserving Solution for Aortic Allograft

동종동맥판 보존용액중 우혈청의 항원효과에 관한 연구

  • 임창영 (중앙 길병원 심장센터 흉부외과)
  • Published : 1996.12.01
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Abstract

A series of animal experiments has been carried out to investigate the potential antigenicity of the FCS (Fetal Calf Serum) which is commonly used to enhance viability of preserved aortic allograft. Aorti allografts were processed using nutrient media without FCS(control group) or with 10% FCS(study group). After 14 days of 4$^{\circ}C$ cold storage and cryopreservation, antigenic expression of allograft rondothelial cells were studied using immunohistochemical study. To determine antigenicity, level of Anti-MHC class I Antibody, anti-MHC class II antibody and anti-lCAM 1 antibody were measured. There were no stAtistically significant differences in all antigenic expression between control group and study group(p=0. 524 in MHC class I expression, p=0.897 In MHC class II expression, p=0.1305 in ICAM 1 expression). With this result, antigenicity provoking effect of FCS could not be proven. Thus, FCS may not be eliminated from the nutrient media for preservation of aortic allograft due to its proven benefit of cell viability enhancement.

동종동맥판의 보존용액에 흔히 첨가되는 우혈청(Fetal Calrserum)의 항원성을 검사하기 위하여 쥐를 이용한 실험을 하였다 동종동맥 판을 2개의 군으로 나누어 대조군은 우릴청을 첨가하지 않은 보존용액을 사용하여 보존처리하고, 실험군은 우혈청을 첨가한 보존용액을 사용하여 보존처리하였다. 14일간에 걸친 냉장보존(4$^{\circ}C$) 및 냉동보존후 혈관내피세포를 분리하여 면역화학적 검사를 통한 면역표현정도를 조사하였다. 이때 면역표현정도의 검사로써 MHC class I 항체, MHC class II항체, ICAM-1 항체를 측정하였다. 실험의 결과 대조군과 실험군사이에 통계적으로 의미있는 차이를 발견할 수 없었다(MHC class I 표현: p=0.524, MHC class 표현: p=0.897, ICAM 1 표현: p=0.1305). 이와 같은 결과를 볼 때 동종동맥판의 보존처리를 할 때 세포의 생육성보존효과를 갖고있는 우혈청을 보존용액에서 배제하는 것이 바람직하다고 볼 수 없다.

Keywords

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