Related Experiment Video

Updated: Mar 6, 2026

Rapid and Refined CD11b Magnetic Isolation of Primary Microglia with Enhanced Purity and Versatility
07:54

Rapid and Refined CD11b Magnetic Isolation of Primary Microglia with Enhanced Purity and Versatility

Published on: April 13, 2017

10.5K

Signaling Pathways Controlling Microglia Chemotaxis

Yang Fan1, Lirui Xie1, Chang Y Chung1

  • 1School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P.R. China.

Molecules and Cells
|March 18, 2017
PubMed

Insights

Microglia, the brain's immune cells, activate and move towards injury sites to clear debris and maintain homeostasis. This review details microglial activation and chemotaxis research.

Area of Science:

  • Neuroscience
  • Immunology
  • Cell Biology

Background:

  • Microglia are the central nervous system's (CNS) resident immune cells.
  • They act as the brain's first line of defense against pathogens and injury.
  • Microglia maintain CNS homeostasis through phagocytosis of cellular debris.

Purpose of the Study:

  • To review current research on microglial activation.
  • To outline the process of microglial chemotaxis towards pathological stimuli.

Main Methods:

  • Literature review of studies on microglial function.
  • Analysis of cellular responses to neuronal injury and disease models.

Main Results:

  • Resting microglia transform into motile, amoeboid forms upon activation.
  • Activated microglia exhibit chemotaxis, migrating towards sites of injury.
  • Phagocytosis by microglia is crucial for clearing debris and maintaining homeostasis.

Conclusions:

  • Microglial activation and chemotaxis are critical innate immune responses in the CNS.
  • Understanding these processes is key to addressing CNS diseases and injuries.
Keywords:
P2Y12 receptoractivationcell migrationchemotaxismicroglia

More Related Videos

Time-lapse Imaging of Mouse Macrophage Chemotaxis09:33

Time-lapse Imaging of Mouse Macrophage Chemotaxis

Published on: April 2, 2020

12.5K
Magnetic Isolation of Microglial Cells from Neonate Mouse for Primary Cell Cultures07:23

Magnetic Isolation of Microglial Cells from Neonate Mouse for Primary Cell Cultures

Published on: July 25, 2022

3.8K

Related Concept Videos

Chemotaxis and Direction of Cell Migration01:21

Chemotaxis and Direction of Cell Migration

Cells can detect chemical cues in their environment and reorganize the cytoskeleton to migrate toward them or away from them. This directional migration, called chemotaxis, is essential during embryogenesis and development, immune response, tissue repair and regeneration, and reproduction. These chemical cues can either attract or repel the cell's movement. For example, axon development is determined by a combination of chemoattractants and chemorepellents that direct the growing axon...
6.0K
Interactions Between Signaling Pathways01:19

Interactions Between Signaling Pathways

Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
7.5K
Overview of Cell Signaling01:23

Overview of Cell Signaling

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate with the environment.
Cells respond to many types of information, often through receptor proteins positioned on the membrane. For example, skin cells respond to and transmit touch...
25.6K
Chemotaxis in E. coli01:27

Chemotaxis in E. coli

Chemotaxis in Escherichia coli is a sensory-driven motility mechanism that enables bacteria to navigate chemical gradients, moving toward beneficial environments while avoiding harmful conditions. This process relies on a signal transduction system integrating external chemical cues with flagellar motor control.Chemoreceptors and Signal DetectionE. coli detects chemical gradients through methyl-accepting chemotaxis proteins (MCPs), which are membrane-bound chemoreceptors that sense attractants...
1.1K
Parasympathetic Signaling01:30

Parasympathetic Signaling

Parasympathetic signaling plays a crucial role in regulating various physiological processes. It involves the release of acetylcholine (ACh) by parasympathetic neurons, which can have localized and short-lived effects. The majority of ACh released is rapidly inactivated at the synapse by the enzyme acetylcholinesterase (AChE), which hydrolyzes Ach into choline and acetate. Additionally, the tissue cholinesterase deactivates any ACh diffusing into the surrounding tissues.
The effects of...
3.6K
Autocrine Signaling01:01

Autocrine Signaling

Autocrine signaling is one of the many signaling mechanisms that function inside multicellular organisms to carry out intercellular communication. In this type of signaling mechanism, the same cell that secretes an extracellular signaling molecule also expresses the receptors to bind and respond to that signaling molecule.
Autocrine Signaling in Macrophages
Under normal physiological conditions, autocrine signaling is essential for maintaining homeostasis. This process is well characterized in...
52.6K