Chan-Jin Kim, So-Hee Kim, Eun-Yeong Lee, Young-Hwa Hwang, Seung-Yun Lee, Seon-Tea Joo
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Effect of Chicken Age on Proliferation and Differentiation Abilities of Muscle Stem Cells and Nutritional Characteristics of Cultured Meat Tissue.
This study aimed to investigate effects of chicken age on proliferation and differentiation capacity of muscle satellite cells (MSCs) and to determine total amino acid contents of cultured meat (CM) produced. Chicken MSCs (cMSCs) were isolated from hindlimb muscles of broiler chickens at 5-week-old (5W) and 19-embryonic-day (19ED), respectively. Proliferation abilities (population doubling time and cell counting kit 8) of cMSCs from 19ED were significantly higher than those from 5W (p<0.05). Likewise, both myotube formation area and expression of myosin heavy chain heavy of cMSCs from 19ED were significantly higher than those from 5W (p<0.05). After cMSCs were serially subcultured for long-term cultivation in 2D flasks to produce cultured meat tissue (CMT), total amino acid contents of CMT showed no significant difference between 5W and 19ED chickens (p>0.05). This finding suggests that cMSCs from chicken embryos are more suitable for improving the production efficiency of CM than those derived from young chickens.
期刊介绍：
Food Science of Animal Resources (Food Sci. Anim. Resour.) is an international, peer-reviewed journal publishing original research and review articles on scientific and technological aspects of chemistry, biotechnology, processing, engineering, and microbiology of meat, egg, dairy, and edible insect/worm products.
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