Related Experiment Video

Updated: Aug 8, 2026

Isolation of Leukocytes from the Human Maternal-fetal Interface
08:19

Isolation of Leukocytes from the Human Maternal-fetal Interface

Published on: May 21, 2015

Soluble mediators and cytokines produced by human CD3- leucocyte clones from decidualized endometrium

G Deniz1, S E Christmas, P M Johnson

  • 1Department of Immunology, University of Liverpool, UK.

Immunology
|January 1, 1996
PubMed

Insights

Decidual granulated leucocytes (dGL) and peripheral blood natural killer (PBNK) cells inhibit choriocarcinoma cell proliferation. dGL cells, crucial for placental growth regulation, produce higher cytokine levels than PBNK cells.

Area of Science:

  • Immunology
  • Reproductive Biology
  • Cell Biology

Background:

  • Human first-trimester decidualized endometrial tissue contains CD3- granulated leucocytes (dGL).
  • Natural killer (NK) cells, including peripheral blood NK (PBNK) cells, are crucial immune components.
  • Interleukin-2 (IL-2) is a key cytokine in immune cell culture and activation.

Purpose of the Study:

  • To investigate the immunomodulatory properties of CD3- dGL clones.
  • To compare cytokine secretion profiles of dGL and PBNK cell clones.
  • To assess the role of dGL cells in regulating placental growth.

Main Methods:

  • Generation of CD3- dGL and CD3- PBNK cell clones from human decidual tissue and peripheral blood.
  • Culture of cell clones in IL-2.
  • Assay of cell supernatants for inhibition of choriocarcinoma cell proliferation.
  • Quantification of cytokine secretion (interferon-gamma, GM-CSF, TNF-alpha, IL-10, IL-6, TGF-beta 2) using various stimulation methods and comparison with fresh tissue extracts.

Main Results:

  • Both dGL and PBNK cell clones inhibited choriocarcinoma cell proliferation.
  • Stimulated CD3-CD8- dGL clones produced higher levels of interferon-gamma, GM-CSF, TNF-alpha, and IL-10 compared to CD3-CD8+ dGL clones.
  • CD8+ dGL clones showed higher IL-6 production than CD8- dGL clones.
  • dGL clones generally produced higher cytokine levels than PBNK clones.
  • Fresh decidual tissue contained detectable levels of multiple cytokines.

Conclusions:

  • CD3- dGL cells possess potent immunomodulatory functions, including inhibition of trophoblast cell proliferation.
  • dGL cells exhibit distinct cytokine secretion profiles based on CD8 expression.
  • The cytokine production by dGL cells suggests a significant role in regulating placental development and maternal-fetal tolerance.

More Related Videos

Isolation of Primary Human Decidual Cells from the Fetal Membranes of Term Placentae07:37

Isolation of Primary Human Decidual Cells from the Fetal Membranes of Term Placentae

Published on: April 30, 2018

Isolation of Human Endometrial Stromal Cells for In Vitro Decidualization14:55

Isolation of Human Endometrial Stromal Cells for In Vitro Decidualization

Published on: September 1, 2018

Related Concept Videos

Differentiation of Common Myeloid Progenitor Cells01:15

Differentiation of Common Myeloid Progenitor Cells

Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...