SCUBE1 Controls BMPR2-Relevant Pulmonary Endothelial Function: Implications for Diagnostic Marker Development in Pulmonary Arterial Hypertension

Wei Sun, Ying Tang, Yi Yin Tai, Adam Handen, Jingsi Zhao, Gil Speyer, Yassmin Al Aaraj, Annie Watson, Makenna E. Romanelli, John Sembrat, Mauricio Rojas, Marc A. Simon, Yingze Zhang, Janet Lee, Zeyu Xiong, Partha Dutta, Sathish Badu Vasamsetti, Dennis McNamara, Bryan McVerry, Charles F. McTiernanFrank C. Sciurba, Seungchan Kim, Kerri Akaya Smith, Jeremy A. Mazurek, Yuchi Han, Anjali Vaidya, Seyed Mehdi Nouraie, Neil J. Kelly, Stephen Y. Chan

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Utilizing publicly available ribonucleic acid sequencing data, we identified SCUBE1 as a BMPR2-related gene differentially expressed between induced pluripotent stem cell-endothelial cells derived from pulmonary arterial hypertension (PAH) patients carrying pathogenic BMPR2 mutations and control patients without mutations. Endothelial SCUBE1 expression was decreased by known triggers of PAH, and its down-regulation recapitulated known BMPR2-associated endothelial pathophenotypes in vitro. Meanwhile, SCUBE1 concentrations were reduced in plasma obtained from PAH rodent models and patients with PAH, whereas plasma concentrations were tightly correlated with hemodynamic markers of disease severity. Taken together, these data implicate SCUBE1 as a novel contributor to PAH pathogenesis with potential therapeutic, diagnostic, and prognostic applications.

Original languageEnglish
Pages (from-to)1073-1092
Number of pages20
JournalJACC: Basic to Translational Science
Volume5
Issue number11
DOIs
StatePublished - Nov 2020

Keywords

  • BMPR2
  • SCUBE1
  • endothelium
  • pulmonary hypertension

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