Advances in Traditional Medicine

Kyung Hee Oriental Medicine Research Center (경희대학교 융합한의과학연구소)
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Ciga-X inhibits nicotine-induced human lung fibroblasts cytotoxicity and craving for cigarettes

  • Published : 2002.08.30
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Abstract

Cigarette smoking contributes to lung cancer, cardiovascular diseases, oral diseases, etc. In desire to reduce their risk of disease, many cigarette smokers have tried to quit smoking. Sensory aspects of cigarette smoke are important for providing smoking satisfaction. Previously it was reported that citric acid aerosol significantly reduced craving for cigarettes and enhances smoking reduction and cessation. In this study, we tested whether a newly combined product Ciga-X, an aerosol for cessation aid, had toxicity in human embryonic lung fibroblast (MRC-9). The inhibitory effect of Ciga-X on cytotoxicity induced by cigarette smoke extract (CSE) or nicotine was examined in MRC-9, and craving for cigarettes and smorkers satisfaction after using Ciga-X was estimated. Ciga-X did not affect cell viability and had no toxicity in MRC-9. Ciga-X significantly inhibited not only CSE-induced cytotoxicity but also nicotine-induced cytotoxicity in MRC-9. One hundred and forty smokers rated the satisfaction for Ciga-X aerosol and craving reduction for cigarettes after using Ciga-X. The percentage of over 5 rating was 71.0% and 50.0% of subjects in satisfaction test for Ciga-X compared to their own brand and in craving reduction for cigarette, respectively. Besides, craving reduction for cigarette was highly correlated with the duration of smoking. Subjects have smoked under 10 years were more reduced in craving for cigarettes after using Ciga-X as compared to over 10 years (p=0.049). These results suggest that Ciga-X may be effective in promoting smoking abstinence with the reduction of CSE- or nicotine-induced human lung fibroblasts cytotoxicity.

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