Article
Dual E-Cigarette Users Show Nicotine Addiction Risk Alleles and Nuclear Abnormalities in Oral Epithelial Cells.
Advances in respiratory medicine - 18 Jun 2026
Montero-Ruiz Oreth, Falfán-Valencia Ramcés, Buendía-Roldán Ivette, Valencia-Pérez Rea Daniela, Rueda-Munive Gibran E, Fricke-Galindo Ingrid, García-Carmona Salvador, Abarca-Rojano Edgar, Pérez-Rubio Gloria
Abstract excerpt
BACKGROUND: This study was conducted to identify genetic risk variants associated with nicotine addiction in the CHRNA5, HTR2A, DRD4, and CYP2A6 genes among electronic cigarette users who also smoke combustible cigarettes (dual users), and to assess potential genotoxic and cytotoxic damage in the oral mucosal cells of the study population. METHODS: We included dual e-cig users (ECIG, n = 70), combustible...
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