Periostin-expressing cell-specific transforming growth factor-β inhibition in pulmonary artery prevents pulmonary arterial hypertension

Mitsuru Seki, Nozomi Furukawa, Norimichi Koitabashi, Masaru Obokata, Simon Conway, Hirokazu Arakawa, Masahiko Kurabayashi

Research output: Contribution to journalArticle

Abstract

Transforming growth factor beta (TGF-β) has been shown to play a critical role in pathogenesis of pulmonary arterial hypertension (PAH) although the precise role of TGF-β signaling remains uncertain. A recent report has shown that periostin (Pn) is one of the most upregulated proteins in human PAH lung compared with healthy lungs. We established type I TGF-β receptor knockout mice specifically with Pn expressing cell (Pn-Cre/Tgfb1fl/fl mice). Increases in PA pressure and pulmonary artery muscularization were induced by hypoxia of 10% oxygen for 4 weeks. Lung Pn expression was markedly induced by 4 week-hypoxia. Pn-Cre/Tgfb1fl/fl mice showed lower right ventricular pressure elevation, inhibition of PA medial thickening. Fluorescent co-immunostaining showed that Smad3 activation in Pn expressing cell is attenuated. These results suggest that TGF-β signaling in Pn expressing cell may have an important role in the pathogenesis of PAH by controlling medial thickening.

Original languageEnglish (US)
Article numbere0220795
JournalPLoS ONE
Volume14
Issue number8
DOIs
StatePublished - Jan 1 2019

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transforming growth factors
pulmonary artery
Transforming Growth Factors
Pulmonary Hypertension
Transforming Growth Factor beta
Pulmonary Artery
hypertension
lungs
transforming growth factor beta
Lung
Ventricular Pressure
cells
Knockout Mice
hypoxia
mice
pathogenesis
Chemical activation
Oxygen
Pressure
Proteins

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Periostin-expressing cell-specific transforming growth factor-β inhibition in pulmonary artery prevents pulmonary arterial hypertension. / Seki, Mitsuru; Furukawa, Nozomi; Koitabashi, Norimichi; Obokata, Masaru; Conway, Simon; Arakawa, Hirokazu; Kurabayashi, Masahiko.

In: PLoS ONE, Vol. 14, No. 8, e0220795, 01.01.2019.

Research output: Contribution to journalArticle

Seki, Mitsuru ; Furukawa, Nozomi ; Koitabashi, Norimichi ; Obokata, Masaru ; Conway, Simon ; Arakawa, Hirokazu ; Kurabayashi, Masahiko. / Periostin-expressing cell-specific transforming growth factor-β inhibition in pulmonary artery prevents pulmonary arterial hypertension. In: PLoS ONE. 2019 ; Vol. 14, No. 8.
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