期刊
JOURNAL OF DERMATOLOGICAL SCIENCE
卷 47, 期 3, 页码 233-239出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.jdermsci.2007.05.002
关键词
skin; elasticity; wrinkle; relationships; lag
类别
Background: Decreased skin elasticity is considered as a factor that promotes wrinkle formation. However, the relationship between decreased skin etasticity and the formation of wrinkles is not fully understood. Objective: The purpose of this study is to characterize the relationship between skin elasticity and wrinkle formation using quantitative methods. Methods: Skin elasticity at the corner of the eye was measured using a Cutometer SEM575 (TM). Wrinkle levels at the corner of the eye were determined from three-dimensional analysis of surface replicas. Ninety healthy female volunteers Living in Tokyo, Japan (aged 18-76 years) were examined in this study. Results: In each scatter plot examined, women with tower U-r/U-f values or with higher U-v/U-e, values showed a tendency for increased R-a and R-max values. However, this study determined widely scattered values for both types of parameters. These relationships were then reanalyzed in relation to age. Results were compared within a young (YNG) group of 27 women (aged 18-29), a middle-aged (MED) group of 26 women (aged 30-48) and an elderly (OLD) group of 37 women (aged 50-76). For elasticity parameters, Ur/Uf and U-v/U-e, values, significant differences were found between the YNG and MED groups and also between the MED and OLD groups. For roughness parameters, a significant difference was found only between the MED and OLD groups. These results suggest that changes in Ra or Rmax values tag about 20 years behind changes in skin elasticity values. Conclusions: Despite a strong retationship, elasticity parameters are unlikely to be an independent predictor of wrinkle levels. The amount of UV exposure to skin with decreased elasticity seems to be the variable that determines wrinkle Levels. This finding represents another complexity in the mechanism of wrinkle formation. (c) 2007 Japanese Society for Investigative Dermatology. Published by Elsevier Ireland Ltd. All rights reserved.
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