Response to Matters Arising: Characterization of placental fetal macrophages

Guixian Liang1, Feng Liu2

  • 1State Key Laboratory of Membrane Biology, Institute of Zoology, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Beijing 100101, China.

Developmental Cell
|December 6, 2022
PubMed

Insights

This study addresses recent findings questioning placental macrophage origins. We maintain that placental hemogenic endothelium generates fetal macrophages, a key developmental process.

Area of Science:

  • Developmental Biology
  • Immunology
  • Obstetrics

Background:

  • Recent research has questioned the origin of placental fetal macrophages.
  • The established understanding of macrophage development is crucial for fetal-placental health.

Discussion:

  • This response paper critically evaluates the observations presented by Chen et al.
  • We assess the validity of their critique concerning the origin of placental fetal macrophages.

Key Insights:

  • We maintain that the data presented by Chen et al. do not invalidate our conclusion regarding the de novo generation of placental fetal macrophages.
  • Our findings support the role of placental hemogenic endothelium in fetal macrophage development.

Outlook:

  • Further research is needed to fully elucidate the precise mechanisms of placental macrophage development.
  • This scientific exchange highlights the dynamic nature of research in developmental immunology.