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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 392 - 401 (10page)
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Variations in physical toughness between muscles and animals are a function of growth rate and extend of collagen type I and III. The current study was designed to investigate the ability of growth rate, collagen concentration, collagen synthesizing and degrading genes on two different fibroblast cells derived from Hanwoo m. longissimus dorsi (LD) and semimembranosus (SM) muscles. Fibroblast cell survival time was determined for understanding about the characteristics of proliferation rate between the two fibroblasts. We examined the collagen concentration and protein expression of collagen type I and III between the two fibroblasts. The mRNA expression of collagen synthesis and collagen degrading genes to elucidate the molecular mechanisms on toughness and tenderness through collagen production between the two fibroblast cells. From our results the growth rate, collagen content and protein expression of collagen type I and III were significantly higher in SM than LD muscle fibroblast. The mRNA expressions of collagen synthesized genes were increased whereas the collagen degrading genes were decreased in SM than LD muscle. Results from confocal microscopical investigation showed increased fluorescence of collagen type I and III appearing stronger in SM than LD muscle fibroblast. These results implied that the locomotion muscle had higher fibroblast growth rate, leads to produce more collagen, and cause tougher than positional muscle. This in vitro study mirrored that background toughness of various muscles in live animal is likely associated with fibroblast growth pattern, collagen synthesis and its gene expression.
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참고문헌 (33)
참고문헌 신청
Alikhani, Z. / 2005 / Advanced glycation end products enhance expression of pro-apoptotic genes and stimulate fibroblast apoptosis through cytoplasmic and mitochondrial pathways / J. Biol. Chem 280:12087~12095
Archile-Contreras, A. C. / 2010 / Disparity of dietary effects on collagen characteristics and toughness between two beef muscles / Meat Sci 86:491~497
Blanco, M. R / 2010 / Collagen types I and III in bovine muscles: Influence of age and breed / J Muscle Foods 21:417~423
Calkins, C. R / 2007 / Ranking of beef muscles for tenderness / Universidad de Nebraska :1~5
Chapman, H. A. / 1997 / Emerging roles for cysteine proteases in human biology / Annu. Rev. Physiol 59:63~88
Archile-Contreras, A. C. / 2010 / Disparity of dietary effects on collagen characteristics and toughness between two beef muscles / Meat Sci 86:491~497
Blanco, M. R / 2010 / Collagen types I and III in bovine muscles: Influence of age and breed / J Muscle Foods 21:417~423
Calkins, C. R / 2007 / Ranking of beef muscles for tenderness / Universidad de Nebraska :1~5
Chapman, H. A. / 1997 / Emerging roles for cysteine proteases in human biology / Annu. Rev. Physiol 59:63~88
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