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Expression of different 5-HT receptor subtypes in the murine airway.
| 5-HT receptor | 5-HT1A | 5-HT1B | 5-HT1D | 5-HT1F | 5-HT2A | 5-HT2B | 5-HT2C | 5-HT3A | 5-HT3B | 5-HT4 | 5-HT6 | 5-HT7 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tracheal muscle | 0 | 4 | 4 | 3 | 4 | 3 | 2 | 3 | 4 | 4 | 4 | 4 |
| Main bronchus | 1 | 4 | 3 | 2 | 4 | 4 | 2 | 3 | 4 | 4 | 4 | 4 |
| Lung | 2 | 4 | 2 | 2 | 4 | 4 | 3 | 2 | 1 | 2 | 4 | 4 |
Numbers represent positive samples out of four tested mice.
