Leukocyte-promoting factor is a cytokine/hormone that is produced by neutrophils when they encounter a foreign antigen. It stimulates the bone marrow to increase the rate of leukopoiesis, in order to replace the neutrophils that will inevitably be lost when they begin to phagocytose the foreign antigens. External links URL See also White blood cell Leukocytosis Complete blood count Indium-111 WBC scan Leukocyte extravasation 
Leukocyte-promoting factor also known as leukopoietin is an obsolete term used to describe substances that are produced by neutrophils when they encounter a foreign antigen. It stimulates the bone marrow to increase the rate of leukopoiesis, in order to replace the neutrophils that will inevitably be lost when they begin to phagocytose the foreign antigens. Leukocyte-promoting factors include colony stimulating factors (CSFs) (produced by monocytes and T lymphocytes), interleukins (produced by monocytes, macrophages, and endothelial cells), prostaglandins, and lactoferrin. See also White blood cell Leukocytosis Complete blood count Indium-111 WBC scan Leukocyte extravasation References
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is a cytokine/hormone that is
also known as leukopoietin is an obsolete term used to describe substances that are
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External links URL
Leukocyte-promoting factors include colony stimulating factors (CSFs) (produced by monocytes and T lymphocytes), interleukins (produced by monocytes, macrophages, and endothelial cells), prostaglandins, and lactoferrin.
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References