Temporal cortex astrocytic Gi-GPCR signaling regulates learned threat responses
Salome Nora Heimbach, Alvaro Collazos Matute, Victoria Steininger, Reuben Rajadhyaksha, Lea Klein, Lily Ferguson, Yaseer A. Sabir, Mingxia Huang, Alberto Cruz‐Martín, Sarah Melzer
The paper shows that Gi-GPCR signaling in temporal cortex astrocytes enhances fear memory retrieval by modulating Ca2+ transients in response to sensory cues.
bioRxiv · May 22, 2026 · PreprintNeuroscience