TABLE 1.
Microglial cell membrane receptorsa
| Scavenger receptors |
| Cell adhesion molecules |
| Immunoglobulin (Ig) superfamily |
| Ig Fc receptors (FcγRI, RII, RIII) |
| MHC class I glycoproteins |
| MHC class II glycoproteins |
| CD4 receptors |
| Intercellular adhesion molecule 1 (ICAM-1) |
| Integrins |
| Leukocyte function-associated antigen 1 (LFA-1; CD11a/CD18; CR1) |
| Mac-1 (CD11b/CD18; CR3) |
| p150, p95 (CD11c/CD18; CR4) |
| Complement receptors: C1q, C5a |
| Cytokine/chemokine receptors |
| IFN-α, IFN-β, IFN-γ |
| IL-1, IL-6, IL-10, IL-12, IL-16 |
| TNF-α |
| M-CSF, GM-CSF |
| CCR, CXCR, CX3CR |
| Toll-like receptors |
| CD14 receptors |
| Mannose receptors |
| Purinogenic receptors |
| Opioid receptors (μ, κ) |
| Cannabinoid receptors |
| Benzodiazepine receptors (mitochondrial membrane) |
a
Receptors reported in the literature, whose expression may be influenced by the state of activation as well as by the anatomic location, age, and animal species from which the microglia are derived.