Mesenchymal regulation of the microvascular niche in chronic lung diseases

Susan M. Majka, Mauricio Rojas, Irina Petrache, Robert F. Foronjy

Research output: Contribution to journalArticlepeer-review


The adult lung is comprised of diverse vascular, epithelial, and mesenchymal progenitor cell populations that reside in distinct niches. Mesenchymal progenitor cells (MPCs) are intimately associated with both the epithelium and the vasculature, and new evidence is emerging to describe their functional roles in these niches. Also emerging, following lineage analysis and single cell sequencing, is a new understanding of the diversity of mesenchymal cell subpopulations in the lung. However, several gaps in knowledge remain, including how newly defined MPC lineages interact with cells in the vascular niche and the role of adult lung MPCs during lung repair and regeneration following injury, especially in chronic lung diseases. Here we summarize how the current evidence on MPC regulation of the microvasculature during tissue homeostasis and injury may inform studies on understanding their role in chronic lung disease pathogenesis or repair.

Original languageEnglish (US)
Pages (from-to)1431-1441
Number of pages11
JournalComprehensive Physiology
Issue number4
StatePublished - Oct 2019
Externally publishedYes

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

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