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Clinical features of chronic bronchitis and genetic risk factors for the development of chronic obstructive pulmonary disease in adolescent smokers

Svitlana I Ilchenko, Anastasiia O Fialkovska, Olena S Koreniuk, Tatiana V Yaroshevska, Nataliia M Kramarenko, Kateryna V Skriabina
Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego 2020, 73 (2): 250-253
32248154

OBJECTIVE: The aim is to study the clinical features of the course of CB in adolescent smokers and to study the genetic risk factors for the development of COPD.

PATIENTS AND METHODS: Materials and methods: There were examined 40 adolescent smokers with CB, 30 never-smokers adolescents with CB and 37 healthy adolescents smokers (control group). The study included the collection of anamnesis, objective examination. calculation of the smoking index and the «pack/year», molecular genetic investigations.

RESULTS: Results: It was proved that smoking leads to the development of chronic bronchitis as early as adolescence and affects its course, increasing the frequency and duration of exacerbations. We identified an association of the 2G/2G genotype of MMP1 gene with the development of chronic bronchitis in adolescent smokers. The TT genotype of CYP1A1 gene may be considered as a possible sustainability factor for the development of chronic bronchitis in adolescent smokers.

CONCLUSION: Conclusions: The study of candidate genes for COPD in childhood and adolescence will facilitate the early detection of high-risk groups in the formation of this pathology, which will allow doctors to take the necessary preventive measures.

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