Journal of Occupational Health
Online ISSN : 1348-9585
Print ISSN : 1341-9145
ISSN-L : 1341-9145
Original
Effects of Hair Dyeing on DNA Damage in Human Lymphocytes
Jin-A ChoEunha OhEunil LeeDonggeun Sul
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2003 Volume 45 Issue 6 Pages 376-381

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Abstract

Comet assays were carried out to evaluate DNA damage in human lymphocytes from 20 volunteers before and after hair dyeing. DNA damage in lymphocytes was found to be slightly higher in volunteers after hair dyeing. Tail moments before and after hair dyeing were 1.47 ± 0.41 and 1.75 ± 0.29 respectively (p<0.0008). DNA damage in lymphocytes showed significant difference with treatment and heating time. The tail moments after 15 min of treatment time before and after hair dyeing were 1.44 ± 0.22 and 1.85 ± 0.36, respectively (p=0.0004) and the corresponding tail moments in 20 min of heating time before and after were 1.37 ± 0.15 and 1.78 ± 0.34 (p=0.0002). In conclusion, we found that an acute exposure of hair dyes with heating caused DNA damages in peripheral lymphocytes and that this damage had significant association with treatment and heating time.

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2003 by the Japan Society for Occupational Health
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