Reaching macs-imum potential

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Updated: Jul 11, 2025

Measurement of Maximum Isometric Force Generated by Permeabilized Skeletal Muscle Fibers
11:30

Measurement of Maximum Isometric Force Generated by Permeabilized Skeletal Muscle Fibers

Published on: June 16, 2015

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Stephanie Trezise1, Robert M Anthony1

  • 1Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02129, USA.

Science Immunology
|November 6, 2023
PubMed

Insights

Prenatal single-cell analysis identified diverse macrophage populations. This includes identifying microglia-like cells in tissues beyond the brain.

Area of Science:

  • Developmental biology
  • Immunology
  • Cell biology

Background:

  • Macrophages are crucial immune cells with diverse roles.
  • Understanding macrophage development is key to developmental immunology.
  • Prenatal immune cell populations remain incompletely characterized.

Purpose of the Study:

  • To characterize the heterogeneity of macrophage populations during prenatal development.
  • To identify distinct macrophage types and functional states in prenatal tissues.
  • To investigate the presence of microglia-like cells in non-neuronal prenatal tissues.

Main Methods:

  • Single-cell RNA sequencing (scRNA-seq) of diverse prenatal tissue samples.
  • Bioinformatic analysis to identify cell populations and transcriptional states.
  • Comparative analysis of macrophage populations across different prenatal tissues.

Main Results:

  • Identification of multiple distinct macrophage subsets in prenatal samples.
  • Characterization of unique transcriptional signatures for each macrophage type.
  • Discovery of microglia-like macrophage populations residing in non-neuronal prenatal tissues.

Conclusions:

  • Prenatal development involves a complex and diverse array of macrophage populations.
  • Microglia-like cells are not exclusive to the central nervous system during development.
  • These findings provide a foundational atlas for prenatal macrophage biology and immunology.

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