Nature Communications (Sep 2016)

The tobacco-specific carcinogen-operated calcium channel promotes lung tumorigenesis via IGF2 exocytosis in lung epithelial cells

  • Hye-Jin Boo,
  • Hye-Young Min,
  • Hyun-Ji Jang,
  • Hye Jeong Yun,
  • John Kendal Smith,
  • Quanri Jin,
  • Hyo-Jong Lee,
  • Diane Liu,
  • Hee-Seok Kweon,
  • Carmen Behrens,
  • J. Jack Lee,
  • Ignacio I. Wistuba,
  • Euni Lee,
  • Waun Ki Hong,
  • Ho-Young Lee

DOI
https://doi.org/10.1038/ncomms12961
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 16

Abstract

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The binding of tobacco-specific carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) to nicotinic acetylcholine receptors (nAChRs) induces calcium signalling. Here the authors show that NKK-induced calcium influx in airway epithelial cells triggers IGF2 secretion and tumourigenesis.