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- 저자 : ( Sheila J M Ingham ) (검색결과 1 건)
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Cellular and Histological Differences between ACL Bundles of Goat Knee
( Ho Lee1 ),( Tomoyuki Matsumoto ),( Masahiro Nozaki ),( Sheila J M Ingham ),( Freddie H Fu ) 한국조직공학·재생의학회 2008 조직공학과 재생의학 Vol.5 No.4
We aimed to investigate whether there exist the differences in the cellular properties and histological structures between AM and PL bundle of goat ACL. ACL tissues obtained from goat knees were divided to two experiments: tissue explant culture and histological assessment. AM bundle was divided into 3(proximal, middle, and distal) and PL into 2(proximal, distal) zones according to the length for AM and PL bundle. In the tissue explant culture, ACL cells demonstrated 2 different cell types which consist of spindle shaped fibroblasts and ovoid shaped fibrochondrocytes and three different cellular outgrowth patterns. The percentage of fibrochondrocytic pattern of AM bundle was significantly higher than that of PL bundle. In the section divided analysis of AM, the rate of fibrochondrocytic pattern in the mid portion was significantly lower than that in the proximal and distal portion. In the histological evaluation, we identified 3 distinguishable bundles divided by the septum, AM, PL, and intermediate( IM), and two different types of cells, fibroblasts and fibrochondrocytes, in all portions of AM and PL. The number of fibrochondrocytes stained by toluidine blue in AM bundle was larger than that in PL bundle. There was no difference in the cell density between AM and PL bundle of ACL, whereas the crimp length was longer in AM bundle compared to PL bundle. Our finding demonstrated that the goat ACL had the differences in cellular morphology, outgrowth pattern, and histological structure between AM and PL bundle of ACL.
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