Table 2.
Depletion of microglia reduces immune activation in response to ethanol. Brain slices were treated with vehicle or underwent microglial depletion with PLX3397 for 10 days, followed by ethanol (100 mM) treatment without PLX3397. Gene induction was assessed by RT-PCR after 4 days of ethanol treatment. Mean ± SEM
| Category | Gene | Control | Depletion | Ethanol | EtOH + depletion |
|---|---|---|---|---|---|
| Cytokines | TNFα | 100 ± 12 | 22 ± 4** | 185 ± 16** | 34 ± 5†† |
| IL-1β | 100 ± 2 | 15 ± 2** | 264 ± 17** | 37 ± 1†† | |
| IL-4 | 100 ± 14 | 239 ± 38* | 34 ± 6* | 139 ± 11†† | |
| IL-6 | 100 ± 14 | 356 ± 20** | 186 ± 50* | 335 ± 6†† | |
| IL-10 | 100 ± 4 | 151 ± 10* | 217 ± 3** | 224 ± 18†† | |
| Toll-like receptors | TLR2 | 100 ± 0.4 | 56 ± 0.2** | 184 ± 25** | 68 ± 10†† |
| TLR3 | 100 ± 2 | 55 ± 6** | 235 ± 3** | 101 ± 2†† | |
| TLR4 | 100 ± 3 | 104 ± 14 | 159 ± 1* | 113 ± 6 | |
| TLR5 | 100 ± 5 | 16 ± 2** | 112 ± 9 | 30 ± 2 | |
| TLR7 | 100 ± 9 | 23 ± 1** | 195 ± 5** | 49 ± 0.4†† | |
| TLR9 | 100 ± 8 | 24 ± 1** | 189 ± 5** | 48 ± 9†† | |
| Microglia markers | Iba-1 | 100 ± 0.3 | 21 ± 1** | 149 ± 5* | 45 ± 3† |
| TREM2 | 100 ± 9 | 14 ± 0.5 | 76 ± 13* | 32 ± 1†† | |
| CD200R | 100 ± 9 | 33 ± 1** | 78 ± 4* | 50 ± 5†† | |
| CX3CR1 | 100 ± 3 | 12 ± 0.1** | 69 ± 1* | 116 ± 4 | |
| IL-4R | 100 ± 10 | 37 ± 4** | 144 ± 20* | 66 ± 9†† | |
| IRF8 | 100 ± 2 | 15 ± 0.1** | 66 ± 3* | 15 ± 1†† | |
| Neuronal genes | mGluR2 | 100 ± 6 | 263 ± 56** | 134 ± 11 | 158 ± 18† |
| mGluR3 | 100 ± 9 | 170 ± 11* | 92 ± 6 | 206 ± 24 | |
| mGluR5 | 100 ± 2 | 173 ± 23* | 94 ± 21 | 167 ± 15† | |
| mGluR8 | 100 ± 10 | 213 ± 38** | 169 ± 4* | 364 ± 6†† | |
| NR2A | 100 ± 1 | 133 ± 0.5** | 135 ± 5* | 272 ± 7†† | |
| NR2B | 100 ± 5 | 137 ± 1* | 123 ± 7 | 264 ± 2†† | |
| PSD-95 | 100 ± 2 | 153 ± 21* | 124 ± 1 | 201 ± 58† | |
| BDNF | 100 ± 9 | 115 ± 6 | 205 ± 8** | 550 ± 4†† | |
| NGF | 100 ± 3 | 115 ± 7 | 148 ± 21 | 162 ± 5* | |
| NGFR | 100 ± 3 | 52 ± 4* | 76 ± 8 | 46 ± 0.2†† | |
| CamK2a | 100 ± 5 | 61 ± 4* | 85 ± 3 | 104 ± 8 | |
| CamK2d | 100 ± 9 | 137 ± 2* | 117 ± 11 | 116 ± 10 | |
| Interferons | IFNα | 100 ± 5 | 153 ± 5* | 200 ± 23** | 302 ± 1†† |
| IFNϒ | 100 ± 9 | 160 ± 8** | 39 ± 1** | 94 ± 3 |
*p < 0.05, **p < 0.01 vs control; †p < 0.05, ††p < 0.01 vs ethanol