While it is known that nerves are present in the hematopoietic niche, less is known about how they influence hematopoiesis. Here they show that serotonin signaling between the nervous system and vascular niche cells regulates Drosophila lymph gland stress hematopoiesis.
- Xiaohui Liu
- Marianne Montemurro
- Michèle Crozatier