Journal
DRUG AND CHEMICAL TOXICOLOGY
Volume 30, Issue 4, Pages 343-349Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/01480540701522338
Keywords
CYP2A6; nicotine dependence; openness
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We performed a survey on the relationship between nicotine dependence and psychological (the personality traits using neuroticism extroversion openess-five factor inventory (NEO-FFI)/nicotine metabolism (the CYP2A6 gene polymorphism) factors among Japanese young students to elucidate the mechanism of the development of nicotine dependence. As a result, the frequency of the CYP2A6*4C gene (enzyme activity deficit) was significantly (p < 0.05) higher among nonsmokers than smokers, and the Openness score by NEO-FFI was higher among smokers than nonsmokers. However, there were no significant differences in the Neuroticism, Extraversion, Agreeableness, and Conscientiousness scores by NEO-FFI between smokers and nonsmokers. We conclude that the CYP2A6*4C gene and the Openness personality trait may affect the development of the smoking behavior of youth.
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