Affiliation:
1. Clinical and Molecular Epidemiology, IRCSS San Raffaele Pisana, Via di Valcannuta 247, I-00166 Rome, Italy
2. Scientific Direction, IRCSS San Raffaele Pisana, Via di Valcannuta 247, I-00166 Rome, Italy
3. Pulmonary Rehabilitation, IRCCS San Raffaele Pisana, Via della Pisana, 235, I-00163 Rome, Italy
Abstract
Background: The morbidity and mortality associated with tobacco smoking is well established.
Nicotine is the addictive component of tobacco. Nicotine, through the non-neuronal α7nicotinic
receptor, induces cell proliferation, neo-angiogenesis, epithelial to mesenchymal transition, and inhibits
drug-induced apoptosis.
Objective:
To understand the genetic, molecular and cellular biology of addiction, chronic obstructive
pulmonary disease and lung cancer.
Methods:
The search for papers to be included in the review was performed during the months of July-
September 2018 in the following databases: PubMed (http://www.ncbi.nlm.nih.gov), Scopus
(http://www.scopus.com), EMBASE (http://www.elsevier.com/online-tools/embase), and ISI Web of
Knowledge (http://apps.webofknowledge.com/). The following searching terms: “nicotine”, “nicotinic
receptor”, and “addiction” or “COPD” or “lung cancer” were used.
</P><P>
Patents were retrieved in clinicaltrials.gov (https://clinicaltrials.gov/). All papers written in English
were evaluated. The reference list of retrieved articles was also reviewed to identify other eligible
studies that were not indexed by the above-mentioned databases.
</P><P>
New experimental data on the ability of nicotine to promote transformation of human bronchial epithelial
cells, exposed for one hour to Benzo[a]pyrene-7,8-diol-9-10-epoxide, are reported.
Results:
Nicotinic receptors variants and nicotinic receptors upregulation are involved in addiction,
chronic obstructive pulmonary disease and/or lung cancer. Nicotine through α7nicotinic receptor upregulation
induces complete bronchial epithelial cells transformation.
Conclusion:
Genetic studies highlight the involvement of nicotinic receptors variants in addiction,
chronic obstructive pulmonary disease and/or lung cancer. A future important step will be to translate
these genetic findings to clinical practice. Interventions able to help smoking cessation in nicotine
dependence subjects, under patent, are reported.
Publisher
Bentham Science Publishers Ltd.
Subject
Pharmacology (medical),Cancer Research,Drug Discovery,Oncology,General Medicine
Cited by
32 articles.
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