Hypoxia-inducible factor-1 signalling promotes goblet cell hyperplasia in airway epithelium

Vasiliy V. Polosukhin, Justin M. Cates, William E. Lawson, Aaron P. Milstone, Anton G. Matafonov, Pierre P. Massion, Jae Woo Lee, Scott H. Randell, Timothy S. Blackwell

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Goblet cell hyperplasia is a common feature of chronic obstructive pulmonary disease (COPD) airways, but the mechanisms that underlie this epithelial remodelling in COPD are not understood. Based on our previous finding of hypoxia-inducible factor-1α (HIF-1α) nuclear localization in large airways from patients with COPD, we investigated whether hypoxia-inducible signalling could influence the development of goblet cell hyperplasia. We evaluated large airway samples obtained from 18 lifelong non-smokers and 13 former smokers without COPD, and 45 former smokers with COPD. In these specimens, HIF-1α nuclear staining occurred almost exclusively in COPD patients in areas of airway remodelling. In COPD patients, 93.2 ± 3.9% (range 65-100%) of goblet cells were HIF-1α positive in areas of goblet cell hyperplasia, whereas nuclear HIF-1α was not detected in individuals without COPD or in normal-appearing pseudostratified epithelium from COPD patients. To determine the direct effects of hypoxia-inducible signalling on epithelial cell differentiation in vitro, human bronchial epithelial cells (HBECs) were grown in air-liquid interface cultures under hypoxia (1% O 2) or following treatment with a selective HIF-1α stabilizer, (2R)-[(4-biphenylylsulphonyl)amino]-N-hydroxy-3-phenyl-propionamide (BiPS). HBECs grown in hypoxia or with BiPS treatment were characterized by HIF-1α activation, carbonic anhydrase IX expression, mucus-producing cell hyperplasia and increased expression of MUC5AC. Analysis of signal transduction pathways in cells with HIF-1α activation showed increased ERK1/2 phosphorylation without activation of epidermal growth factor receptor, Ras, PI3K-Akt or STAT6. These data indicate an important effect of hypoxia-inducible signalling on airway epithelial cell differentiation and identify a new potential target to limit mucus production in COPD.

Original languageEnglish
Pages (from-to)203-211
Number of pages9
JournalJournal of Pathology
Volume224
Issue number2
DOIs
Publication statusPublished - Jun 2011
Externally publishedYes

Fingerprint

Hypoxia-Inducible Factor 1
Goblet Cells
Chronic Obstructive Pulmonary Disease
Hyperplasia
Epithelium
Epithelial Cells
Cell Hypoxia
Mucus
Cell Differentiation
Airway Remodeling
Phosphatidylinositol 3-Kinases
Epidermal Growth Factor Receptor
Signal Transduction
Air
Phosphorylation
Hypoxia
Staining and Labeling

Keywords

  • bronchial epithelium
  • cell differentiation
  • chronic obstructive pulmonary disease
  • mucous cell hyperplasia
  • mucus

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Polosukhin, V. V., Cates, J. M., Lawson, W. E., Milstone, A. P., Matafonov, A. G., Massion, P. P., ... Blackwell, T. S. (2011). Hypoxia-inducible factor-1 signalling promotes goblet cell hyperplasia in airway epithelium. Journal of Pathology, 224(2), 203-211. https://doi.org/10.1002/path.2863

Hypoxia-inducible factor-1 signalling promotes goblet cell hyperplasia in airway epithelium. / Polosukhin, Vasiliy V.; Cates, Justin M.; Lawson, William E.; Milstone, Aaron P.; Matafonov, Anton G.; Massion, Pierre P.; Lee, Jae Woo; Randell, Scott H.; Blackwell, Timothy S.

In: Journal of Pathology, Vol. 224, No. 2, 06.2011, p. 203-211.

Research output: Contribution to journalArticle

Polosukhin, VV, Cates, JM, Lawson, WE, Milstone, AP, Matafonov, AG, Massion, PP, Lee, JW, Randell, SH & Blackwell, TS 2011, 'Hypoxia-inducible factor-1 signalling promotes goblet cell hyperplasia in airway epithelium', Journal of Pathology, vol. 224, no. 2, pp. 203-211. https://doi.org/10.1002/path.2863
Polosukhin VV, Cates JM, Lawson WE, Milstone AP, Matafonov AG, Massion PP et al. Hypoxia-inducible factor-1 signalling promotes goblet cell hyperplasia in airway epithelium. Journal of Pathology. 2011 Jun;224(2):203-211. https://doi.org/10.1002/path.2863
Polosukhin, Vasiliy V. ; Cates, Justin M. ; Lawson, William E. ; Milstone, Aaron P. ; Matafonov, Anton G. ; Massion, Pierre P. ; Lee, Jae Woo ; Randell, Scott H. ; Blackwell, Timothy S. / Hypoxia-inducible factor-1 signalling promotes goblet cell hyperplasia in airway epithelium. In: Journal of Pathology. 2011 ; Vol. 224, No. 2. pp. 203-211.
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