Related Experiment Video

Updated: Jun 17, 2026

An In vitro Model to Study Heterogeneity of Human Macrophage Differentiation and Polarization
07:42

An In vitro Model to Study Heterogeneity of Human Macrophage Differentiation and Polarization

Published on: June 12, 2013

18.6K

Unveiling the Phenotypic Variability of Macrophages: Insights from Donor Diversity and Pooling Strategies

Bartłomiej Taciak1, Agnieszka Grochowska1, Małgorzata Górczak1

  • 1Center of Cellular Immunotherapies, Warsaw University of Life Sciences, 02-786 Warsaw, Poland.

International Journal of Molecular Sciences
|February 13, 2025
PubMed

Insights

Pooling macrophages from multiple donors enhances experimental reproducibility by reducing variability without affecting cell function. This method supports robust immunological research while allowing for personalized analyses.

Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Macrophages are crucial immune cells with adaptable phenotypes, playing key roles in inflammation.
  • Variability between individual donors can complicate research reproducibility in immunology.

Purpose of the Study:

  • To investigate the impact of pooling donor-derived macrophages on their phenotype and function.
  • To assess if pooling enhances reproducibility in macrophage research.

Main Methods:

  • Murine bone marrow-derived macrophages (BMDMs) and human monocyte-derived macrophages (hMDMs) were generated.
  • Macrophages from single donors were compared with those from pooled donors (2-5 mice for BMDMs).
  • Phenotypic markers and functional outputs (cytokine secretion, nitric oxide production) were analyzed.

Main Results:

  • Pooling macrophages did not alter core phenotypic markers (e.g., CD11b, F4/80, CD64).
  • Macrophage function, including cytokine secretion and nitric oxide production, remained stable after pooling.
  • Pooling hMDMs reduced inter-individual variability and led to more uniform marker expression.

Conclusions:

  • Pooling donor-derived macrophages minimizes experimental variability without compromising cellular function.
  • This strategy enhances reproducibility in immunological studies.
  • Single-donor studies can still be performed for personalized research needs.
Keywords:
BMDMdonor diversitymacrophages

More Related Videos

Isolation of Human Monocytes by Double Gradient Centrifugation and Their Differentiation to Macrophages in Teflon-coated Cell Culture Bags09:32

Isolation of Human Monocytes by Double Gradient Centrifugation and Their Differentiation to Macrophages in Teflon-coated Cell Culture Bags

Published on: September 9, 2014

69.7K
Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment07:21

Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment

Published on: June 23, 2019

20.8K

Related Concept Videos

Types of Genetic Transfer Between Organisms02:18

Types of Genetic Transfer Between Organisms

Genetic transfer occurs when genetic information is passed from one organism to another. It occurs via two mechanisms: vertical gene transfer and horizontal gene transfer. Vertical gene transfer occurs when genetic information is transferred from one generation to the next, which happens much more frequently than horizontal gene transfer. Both sexual and asexual reproduction are forms of vertical gene transfer, where one or more organisms pass some or all of their genome onto their progeny.
Types of Genetic Transfer Between Organisms02:18

Types of Genetic Transfer Between Organisms

Genetic transfer occurs when genetic information is passed from one organism to another. It occurs via two mechanisms: vertical gene transfer and horizontal gene transfer. Vertical gene transfer occurs when genetic information is transferred from one generation to the next, which happens much more frequently than horizontal gene transfer. Both sexual and asexual reproduction are forms of vertical gene transfer, where one or more organisms pass some or all of their genome onto their progeny.
Cell Diversity01:13

Cell Diversity

The concept of a cell started with microscopic observations of dead cork tissue by Robert Hooke in 1665. Hooke coined the term "cell" based on the resemblance of the small subdivisions in the cork to the rooms that monks inhabited, called cells. About ten years later, Antonie van Leeuwenhoek became the first person to observe the living and moving cells under a microscope. In the century that followed, the theory that cells represented the basic unit of life developed.
Multicellular organisms...
Diversity of Antigen Receptors01:28

Diversity of Antigen Receptors

Antigen receptors are essential components of the immune system crucial in defending the body against foreign invaders. These receptors are present on the surface of B and T cells, enabling them to recognize antigens and mount an appropriate immune response.
Before encountering any antigen, lymphocytes express these receptors. On B cells, the antigen receptor is a membrane-bound antibody molecule called BCR; on T cells, it is a T cell receptor or TCR. B and T cell receptors are composed of two...
Microbial Morphologies01:29

Microbial Morphologies

Bacterial and archaeal cells exhibit remarkable diversity in shape and structure, critical in their adaptability and functionality. Among bacteria, the most commonly observed shapes include cocci and bacilli. Cocci are spherical and may exist singly or in groupings such as pairs (diplococci), chains (streptococci), clusters (staphylococci), or tetrads. Bacilli, in contrast, are rod-shaped and can also occur as single cells, in pairs, or chains, depending on their environmental and genetic...
Diversity of Protists III01:27

Diversity of Protists III

Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...