DNA repair as an emerging target for COPD-lung cancer overlap

Research output: Contribution to journalReview article

7 Scopus citations


Cigarette smoking is the leading cause of lung cancer and chronic obstructive pulmonary disease (COPD). Many of the detrimental effects of cigarette smoke have been attributed to the development of DNA damage, either directly from chemicals contained in cigarette smoke or as a product of cigarette smoke-induced inflammation and oxidative stress. In this review, we discuss the environmental, epidemiological, and physiological links between COPD and lung cancer and the likely role of DNA damage and repair in COPD and lung cancer development. We explore alterations in DNA damage repair by DNA repair proteins and pathways. We discuss emerging data supporting a key role for the DNA repair protein, xeroderma pigmentosum group C (XPC), in cigarette smoke-induced COPD and early lung cancer development. Understanding the interplay between cigarette smoke, DNA damage repair, COPD, and lung cancer may lead to prognostic tools and new, potentially targetable, pathways for lung cancer prevention and treatment.

Original languageEnglish (US)
Pages (from-to)111-121
Number of pages11
JournalRespiratory Investigation
Issue number2
StatePublished - Mar 2019


  • Cigarette smoke
  • Emphysema
  • Mutations
  • Nucleotide excision repair
  • Oxidative stress

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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