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KMID : 0380420120360020089
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Journal of Prventive Veterinary Medicine
2012 Volume.36 No. 2 p.89 ~ p.97
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The hair growth promoting effect of Dansam-Samulhang by focusing on the enzyme activity and molecular biological observation in C57BL,6 mice
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Kim Jeong-Mi
Lee In-Chul
Kim Bae-Hwan
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Abstract
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This study aims to estimate the in vivo hair growth effects of Dansam-Samultang. A total of 40, six-week-old C578L/ 6 male mice were classified into four groups (10 in each group): Control (C, distilled water), Positive control (PC, minoxidil 3%), Experimental I (El, Dansam-Samultang ethanol extact 2%), and Experimental 2 (E2, Dansam-Samultang toner type 2%). Samples (150 t`l) were applied percutaneously on the back, once a day, six days a week, for four weeks. Water and feed conswnption, and body weight were measured once a week, in addition, macroscopic hair growth was observed once a week. On the second and fourth week, we took skin tissues after an autopsy, and measured the alkaline phosphatase (ALP) and ` -glutamyl transpeptidase (r -GT) enzyme activity, and mRNA development of insulin-like growth factor-I (IGF-l), vascular endothelial growth factor (VEGF), and transforming growth factor-fl I (TGF-fl I). There were no significant differences among the groups in water and feed consumption, body weight gain, and feed efficiency. In a macroscopic observation, hair growth effects showed in order of PC, El, E2, and C groups. Both ALP and 7 -GT enzyme activity showed significant increase (p<0.05) for the PC, El and E2 groups, compared to the C group. En the mRNA gene expressions of hair growth factors, IGF-1 and VEGF. were significantly greater for the PC, El and E2, compared to that of the C group, but significantly lower.
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KEYWORD
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Hair Growth, Dansam-Samultang, IGF- I, VEGF, TGF-β1
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