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Effect of Environmental Factors on the Growth of Rabbit Oral Keratinocytes  

Yoon, Moon-Young (Department of Chemical and Biochemical Engineering, Dongguk University)
Park, Hee-Jung (Department of Chemical and Biochemical Engineering, Dongguk University)
Lee, Doo-Hoon (Department of Chemical and Biochemical Engineering, Dongguk University)
Jang, In-Keun (Department of Chemical and Biochemical Engineering, Dongguk University)
Park, Jung-Keug (Department of Chemical and Biochemical Engineering, Dongguk University)
Kim, Woo-Sik (School of Chemical Engineering and Biotechnology, Yonsei University)
Publication Information
Korean Chemical Engineering Research / v.43, no.1, 2005 , pp. 103-109 More about this Journal
Abstract
Isolation and primary culture technique of rabbit oral keratinocytes, and the study for effect of environmental factors on the cell growth were carried out in T75-flask. $1.92{\pm}0.59{\times}10^6$ viable cells were isolated by trypsin enzymatic digestion method from $0.25cm^2$ biopsy of rabbit oral mucosa. Primary culture with 10 mL of K-SFM containing 50 mg/L BPE, $5.0{\mu}g/L$ EGF and 0.15 mM $Ca^{2+}$ showed confluence after 8 days and doubling time was 2.54 days. Effect of medium types, medium volume and supplement types on the cell growth was investigated after the cultured keratinocytes had been harvested from primary confluence. Serum addition showed adverse effect and the increase of serum concentration didn't have an effect on the cell growth. The increase of medium volume decreased the cell growth. The increase of calcium concentration increased the cell growth and 2.0 mM was optimum value. In conclusion, when rabbit oral keratinocytes was cultured in T75-flask, the most effective conditions was to use 10 mL of K-SFM containing 50 mg/L BPE, $5.0{\mu}g/L$ EGF and 2.0 mM $Ca^{2+}$, and doubling time was 1.32 days. This study can provide the useful informations to develop a process and design a bioreactor for the culture of keratinocytes in human body like skin and cornea, as well as mucosa.
Keywords
Keratinocyte; Mucosa; Medium Supplements; Calcium; Environmental Factors; Serum-free Medium;
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Times Cited By KSCI : 1  (Citation Analysis)
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