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Table 1 Summary of selected marker genes expression in the head as assessed by in situ hybridization

From: Identification of molecular signatures specific for distinct cranial sensory ganglia in the developing chick

   Cranial sensory ganglia Other PNS sites
   Top Tmm VA G P N
Trigeminal DRG11 +++ +++ - - - -  
PRDM12 +++ +++ - + (distal) + (distal) + (distal) Olfactory epithelium, ciliary ganglion, otic macular patches
GAD2 ++ ++ - - - -  
CHRNB4 + + - - - -  
CHRNA3 + + - - - -  
TOX2 (+) (+) - - - -  
OTX2 (+) (+) - - - - Ventral otic vesicle
Vestibulo-acoustic ESSRG - - +++ - - -  
PKDCCB - - +++ - - - Otic macular patches
LRRK1 + (distal) + (distal) +++ - - -  
POU6F2 + (distal) + (distal) +++ - - -  
RUNX1 - - ++ - - -  
IRX2 - - ++ - - - Otic vesicle
FGF9 - - ++ - - -  
SCN3A + + +++ + + + Terminal nerve ganglion
HMX3 - - + - - - Dorsal otic vesicle
Epibranchial PHOX2B - - - +++ +++ +++ Ciliary ganglion
PROX2 - - - ++ ++ ++ Lens
CTXN1 - - - +++ +++ +++  
SULT4A1 + (distal) + (distal) + +++ +++ +++ Ciliary ganglion, terminal nerve ganglion
PDZRN4 - - - ++ ++ ++  
SHOX2 - - + +++ +++ +++  
LHX4 - - - - (+) (+)  
MECOM - - - - - -  
PRRX1 - - - - - - Medial otic vesicle
PRRX2 - - - - - -  
  1. Expression levels at stage HH21 are given for the cranial sensory ganglia (Top trigeminal ophthalmic, Tmm trigeminal maxillomandibular, VA vestibulo-acoustic, G geniculate, P petrosal, N nodose), as well as other sites in the PNS
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