Related Experiment Video
Updated: Nov 18, 2025

A Microphysiological System to Study Leukocyte-Endothelial Cell Interaction during Inflammation
Published on: December 9, 2021
CD300a and CD300f molecules regulate the function of leukocytes
Yue Cao1, Tianrang Ao2, Xiaohong Wang1
1Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, Liaoning 110122, China.
Insights
The CD300a and CD300f inhibitory receptors regulate leukocyte functions crucial for immunity. Understanding their expression and regulatory mechanisms offers potential therapeutic targets for inflammatory and infectious diseases.
Area of Science:
- Immunology
- Molecular Biology
- Cell Biology
Background:
- The CD300 molecule family comprises type I transmembrane glycoproteins found on mammalian cell membranes.
- Among the eight members, CD300a and CD300f are identified as inhibitory receptors.
- These receptors play significant roles in modulating leukocyte functions.
Purpose of the Study:
- To review the expression patterns of CD300a and CD300f on leukocytes.
- To elucidate the regulatory mechanisms governing CD300a and CD300f.
- To examine the impact of CD300a and CD300f on the development and progression of diseases.
Main Methods:
- Literature review focusing on expression, regulation, and function of CD300a and CD300f.
- Analysis of existing data on leukocyte biology and immune responses.
- Synthesis of information regarding disease associations.
Main Results:
- CD300a and CD300f are key regulators of leukocyte activation, proliferation, differentiation, and migration.
- Their expression and regulation are critical for maintaining immune homeostasis.
- Dysregulation is implicated in inflammatory and infectious conditions.
Conclusions:
- CD300a and CD300f are vital inhibitory receptors influencing leukocyte function and immunity.
- Their regulatory mechanisms and effects on diseases highlight their potential as therapeutic targets.
- Further research into CD300a and CD300f is warranted for understanding and treating various diseases.
Abstract:
The CD300 molecule family is a type I transmembrane glycoprotein expressed on cell membrane of human and other mammals, and of its eight members, only CD300a and CD300f are classified as inhibitory receptors. CD300a and CD300f play an important role in regulating the function of leukocytes, such as activation, proliferation, differentiation, migration and immunity function. They are considered as potential targets for studying the development and progression of inflammation, infection and other diseases. Here, we review the expression and regulatory mechanisms of CD300a and CD300f on leukocytes, as well as their effects on relevant diseases.
More Related Videos
Related Concept Videos
Structure and Function of Leukocytes
White blood cells protect the body...
Differentiation of Common Myeloid Progenitor Cells
Regulation of Hematopoietic Stem Cells
Immunoglobulin-like Cell Adhesion Molecules
Ig-CAMs exhibit either homophilic binding (to other Ig-CAMs) or heterophilic binding (to other ligands such as integrins). While most Ig-CAMs...
T Cell Activation and Clonal Selection
Naive T cells that have not yet encountered an antigen express two primary CD...
Classification of Leukocytes
Neutrophils are the most abundant type of granular leukocytes, comprising 50-70% of all leukocytes. They feature small, evenly distributed granules and a...

