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Updated: Aug 8, 2026
Isolation of Leukocytes from the Murine Tissues at the Maternal-Fetal Interface
Published on: May 21, 2015
[Structural organization of macrophages in forming human placenta]
Insights
Placental macrophages, also known as Kashchenko-Hofbauer cells, exhibit characteristics of tissue macrophages with high phagocytic potential, confirmed by CD68 reactivity. Limited proliferation was observed in these cells during placenta formation.
Area of Science:
- Immunology
- Cell Biology
- Histology
Context:
- Placental macrophages, or Kashchenko-Hofbauer cells, are a unique subset of macrophages found in human fetal organs.
- Understanding these cells is crucial for comprehending placental development and function.
Purpose:
- To investigate the structural and functional characteristics of Kashchenko-Hofbauer cells during human placenta formation.
- To determine the cellular and cytochemical properties of these specialized macrophages using advanced microscopy and immunocytochemistry.
Summary:
- Kashchenko-Hofbauer cells were confirmed as tissue macrophages through cytological and cytochemical analyses.
- Strong reactivity with CD68 lysosomal antigen indicates significant phagocytic capabilities.
- Low levels of the proliferation marker PCNA suggest limited proliferative activity in these cells during placental development.
Impact:
- This study provides detailed insights into the nature of placental macrophages.
- Findings contribute to the understanding of immune cell roles in early human development and organogenesis.
- The research highlights the phagocytic role of Kashchenko-Hofbauer cells in the developing placenta.
Abstract:
Placental macrophages (Kashchenko-Hofbauer cells) belong to a special population of tissue macrophages of human fetal provisional organs. The aim of the present study was to investigate the structure of Kashchenko-Hofbauer cells at the stage of placenta formation using the methods of light and electron microscopy and immunocytochemistry. Cytological and cytochemical peculiarities of Kashchenko-Hofbauer cells revealed in this study, leave no doubt that they belong to the tissue macrophages group. Their cytoplasm is strongly reactive with antibodies against CD68 lysosomal antigen suggesting potentially high phagocytic activity of these cells. Weak nuclear labeling with proliferation marker PCNA was found in placental macrophages.
