Chemotactic Factors
| Definition: |
Chemical substances that attract or repel cells or organisms. The concept denotes especially those factors released as a result of tissue injury, invasion, or immunologic activity, that attract leukocytes, macrophages, or other cells to the site of infection or insult. |
| Notes: |
/biosyn /physiol permitted |
| Also Called: |
Cytotaxinogens |
| Previously Indexed: |
Chemotaxis (1966-1979),Chemotaxis, Leukocyte (1977-1979) |
Chemotactic Factors Categories.
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Chemotactic Factors, Eosinophil - Cytotaxins liberated from normal or invading cells that specifically attract eosinophils; they may be complement fragments, lymphokines, neutrophil products, histamine or other; the best known is the tetrapeptide ECF-A, released mainly by mast cells. |
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Chemotactic Factors, Macrophage - Cytotaxins liberated from normal or invading cells that specifically attract macrophages. They may be lymphokines, products of antigen, antibody and complement interactions or other. |
Chemotactic Factors Definitions and Terms
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