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Related Experiment Video

Updated: May 11, 2026

Live Imaging and Characterization of Microglia Dynamics in the Zebrafish Embryo

Live Imaging and Characterization of Microglia Dynamics in the Zebrafish Embryo

Published on: May 17, 2024

Microglia during development and aging.

¹National Toxicology Program Laboratory, National Institute of Environmental Health Sciences, MD C1-04, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709, USA. harry@niehs.nih.gov

Pharmacology & Therapeutics

|May 7, 2013

Summary

This summary is machine-generated.

Microglia, crucial brain cells, support development and repair but decline with age. This age-related decline impairs their function, potentially increasing neurodegeneration risk.

Keywords:

AD ATP Aging Alzheimer's disease Aβ BBB C1q CD CNS CR3 CX3CL1 CX3CR1 Cl(−)Development GD IFN IL K(+)LPS MAPK MHC Microglia NO P2 P2X receptors PI3K PND PRR Synapse stripping TGFβ TLR TNF TREM-2 adenosine triphosphate amyloid beta blood brain barrier central nervous system chloride cluster of differentiation complement 1q complement receptor 3 fractalkine or neurotactin fractalkine receptor gestational day interferon interleukin lipopolysaccharide major histocompatibility complex mitogen-activated protein kinase nitric oxide pattern recognition receptors phosphoinositide 3-kinase postnatal day potassium purinergic receptors toll-like receptors transforming growth factor beta triggering receptor expressed on myeloid cells-2 tumor necrosis factor

More Related Videos

Culturing Microglia from the Neonatal and Adult Central Nervous System

Culturing Microglia from the Neonatal and Adult Central Nervous System

Published on: August 9, 2013

Related Experiment Videos

Last Updated: May 11, 2026

Live Imaging and Characterization of Microglia Dynamics in the Zebrafish Embryo

Live Imaging and Characterization of Microglia Dynamics in the Zebrafish Embryo

Published on: May 17, 2024

Culturing Microglia from the Neonatal and Adult Central Nervous System

Culturing Microglia from the Neonatal and Adult Central Nervous System

Published on: August 9, 2013

Area of Science:

Neuroscience
Immunology
Cell Biology

Background:

Microglia are specialized immune cells of the central nervous system.
They play vital roles in brain development, homeostasis, injury response, and repair.
Microglia influence neuronal proliferation, differentiation, synaptic remodeling, and clearance of cellular debris.

Purpose of the Study:

To review the colonization and function of microglia in the brain.
To examine the role of pattern recognition receptors in microglial migration and phagocytosis.
To understand age-related changes in microglia phenotype and function.

Main Methods:

Literature review of microglial biology, focusing on development, function, and aging.
Analysis of microglial receptor expression and activation pathways.
Examination of the shift in microglial phenotype during aging.

Main Results:

Microglia colonize the brain during gestation and expand postnatally.
Microglial activation involves pattern recognition and immune receptors, influencing the release of various signaling molecules.
Aging leads to morphological changes and functional deficits in microglia, including reduced migration and impaired inflammatory state regulation.

Conclusions:

Aging impairs microglial functions essential for neural maintenance and repair.
Diminished microglial capacity may contribute to increased susceptibility to neurodegeneration in older individuals.
Understanding these age-related shifts is critical for addressing neurodegenerative diseases.