Table 1.

Somatosensory cell type markers.

Marker	Sensory cell type
Parvalbumin	Proprioceptors and Aβ fibers
CGRP	Peptidergic C fibers, sub-population of Aδ fibers
Substance P	Peptidergic C fibers
NF200	Myelinated Aδ fibers, Aβ fibers, and proprioceptors
IB4	Non-peptidergic C fibers
Trpv1	Small diameter C fibers (heat and pain)
Trpm8	Small diameter C fibers (cold and pain)
MrgprD	Small diameter C fibers (noxious mechanical, pain)
MrgprA3	Small diameter C fibers (itch)
MrgprB4	Small diameter C fibers (innocuous mechanical)
VGlut3	Non-peptidergic C fibers (innocuous mechanical, cooling)
TH	Non-peptidergic C fibers (innocuous mechanical, cooling)
TrkB	Aδ fibers (innocuous mechanical, cooling)
Npy2r	Aβ fibers (innocuous mechanical)
Chondrolectin	Aβ fibers (innocuous mechanical)
DOR	Sub-populations of non-peptidergic C fibers and myelinated NF200-positive fibers

Abbreviations: CGRP, calcitonin gene-related peptide; NF200, neurofilament heavy chain 200; IB4, isolectin B4; Trpv1, transient receptor potential cation channel subfamily V member 1; Trpm8, transient receptor potential cation channel subfamily M member 8; MrgprD, Mas-related G-protein-coupled receptor D; MrgprA3, Mas-related G-protein-coupled receptor A3; MrgprB4, Mas-related G-protein-coupled receptor B4; VGluT3, vesicular glutamate transporter type 3; TH, tyrosine hydroxylase; TrkB, tyrosine receptor kinase B; Npy2r, neuropeptide Y receptor type 2; DOR, delta opioid receptor.