| Type | tissue specificity | Description | In brain, highly expressed in the olfactory bulb with lower levels in other regions including cerebral cortex, hippocampus, hypothalamus, striatum and medulla. Within the olfactory bulb, highest levels occur in the mitral and granular layers with lower levels in the internal and external plexiform layers. Moderate levels are found in the epididymis with low levels in colon and spleen. Not detected in adrenal, liver, lung, ovary or testis. At embryonic day 14.5, enriched in eye, ear, osteoblasts, stomach, skin, dorsal root ganglia and throughout the CNS. |
