Contents of neutrophil granule subsets
| . | Secretory vesicles . | Tertiary granules . | Secondary granules . | Primary granules . |
|---|---|---|---|---|
| Release | PMN-EC interaction | Penetration of basement membrane | Extravascular tissue | Extravascular tissue |
| Receptors and membrane-bound proteins | FPR, CD14, CD16 β2-integrins, proteinase-3 | FPR, β2-integrins, TNF receptor | FPR, β2-integrins, laminin receptor, CD66, CD67 | CD63, CD68 |
| Proteins released into the surrounding | Azurocidin, albumin | MMP-9, lysozyme, arginase | Collagenase, LL-37, lysozyme, lactoferrin | Azurocidin, HNP1-3, cathepsin G, elastase, MPO, proteinase-3 |
| . | Secretory vesicles . | Tertiary granules . | Secondary granules . | Primary granules . |
|---|---|---|---|---|
| Release | PMN-EC interaction | Penetration of basement membrane | Extravascular tissue | Extravascular tissue |
| Receptors and membrane-bound proteins | FPR, CD14, CD16 β2-integrins, proteinase-3 | FPR, β2-integrins, TNF receptor | FPR, β2-integrins, laminin receptor, CD66, CD67 | CD63, CD68 |
| Proteins released into the surrounding | Azurocidin, albumin | MMP-9, lysozyme, arginase | Collagenase, LL-37, lysozyme, lactoferrin | Azurocidin, HNP1-3, cathepsin G, elastase, MPO, proteinase-3 |