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Learn MoreNeutrophil Cell Markers
Click on one of the cell types shown in the buttons below to see the human and mouse markers commonly used to identify the different types of granulocytes.
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Overview
Neutrophils are granule-containing, polymorphonuclear leukocytes that develop in the bone marrow from myeloid precursors. Neutrophil activation is an essential process that occurs when these cells are exposed to pathogens or inflammatory stimuli. Neutrophils play a central role in the innate immune response by destroying foreign particles either intracellularly in phagosomes or extracellularly by releasing neutrophil extracellular traps (NETs) and promoting acute inflammation.
In humans, neutrophils are the most abundant circulating leukocytes, accounting for 50-70% of white blood cells, while 10-25% of circulating mouse leukocytes are neutrophils. Although neutrophils can be visually identified based on the shape of their nuclei and cytoplasmic granularity, they can also be identified by flow cytometry.
Surface markers are used to identify and classify subsets of neutrophils. These neutrophil markers are important for activation and cellular function of both mature and immature neutrophils.
Mouse Neutrophil Markers
Mouse neutrophils are commonly identified based on the cell surface expression of Ly-6G (NovusBio.com) and CD11b/Integrin alpha M. Since mouse granulocytic myeloid-derived suppressor cells can also express these markers, neutrophils are frequently distinguished from these cells in mice based on their lack of expression of M-CSF R/CD115 and CD244/SLAMF4, along with an absence of immunosuppressive properties.
Human Neutrophil Markers
In humans, neutrophils are distinguished from eosinophils and monocytes based on the expression of both CD15, an antigen expressed on the surface of immature neutrophils, and CD16/Fc gamma RIII on human neutrophils, along with the lack of expression of CD14. In addition, CD66b/CEACAM-8, CD11b/Integrin alpha M, CD33, and the cytoplasmic marker, myeloperoxidase, are other common markers that are used to identify human neutrophils.
Data Examples
Identification of Mouse Neutrophils by Flow Cytometry
Identification of Human Neutrophils by Flow Cytometry
