PerC washes from sham littermate controls and lesion-bearing TRPV1-creDTA and littermate control mice were collected at 28dpi and used for droplet-based scRNA-seq (10x Genomics). Library preparation was conducted using the Next GEM Single Cell 3ʹ Reagent Kits v3.1 Dual Index Kit TT, Set A (10x Genomics) following the manufacturer's instructions