Skip to main content
. Author manuscript; available in PMC: 2022 Apr 1.
Published in final edited form as: Curr Opin Physiol. 2021 Jan 12;20:146–153. doi: 10.1016/j.cophys.2021.01.003

TABLE 1:

Functional and Molecular Features of Conventional TBC Types

Cell Type Type I Type II Type III

Function Glial-like: Transduction Transduction
Ionic Homeostasis
Neurotransmitter reuptake and degradation
Sweet, Bitter or Umami
 T1Rs and T2Rs
Sour
 Otop1

Molecular Features NTPDase2
ROMK
GAD65
GLAST
PLCβ2
TRPM5
CALHM1/3
IP3R3
Skn1a
PGP9.5
PKD2L1
Car4
GAD67
Mash1
Serotonin

Synaptic Mechanism none Channel Synapses (CALHM1/3) Vesicular Synapses (SNAP25)