TABLE 1.

Transcription factors expressed in progenitor domains of the developing hindbrain.

Early progenitor domains	bHLH transcription factors	Homeodomain transcription factors
dA1	Olig3, Atoh1	Pax3, Msx1
dA2	Olig3, Ngn1, Ngn2	Pax3, Pax7low, Msx1
dA3	Olig3, Ascl1, Ngn2	Pax3, Pax6, Pax7, Gsx2
dA4	Olig3, Ascl1, Ngn2, Ptf1a
dB1	Ascl1, Ngn2, Ptf1a	Pax3, Pax6, Pax7, Gsx1/2
dB2		Phox2b
dB3	Ascl1	Pax3, Pax6, Pax7, Gsx1/2, Dbx2
dB4	Ngn1, Ngn2	Pax3, Pax6, Pax7, Dbx2
V0	Ngn1, Ngn2	Dbx1, Dbx2, Pax6, Pax7
V1	Ngn1, Ngn2	Dbx2, Pax6, Nkx6.2
V2	Ngn1, Ngn2	Dbx2, Pax6, Nkx6.1, Nkx6.2
MNs	Olig2	Pax6
MNv	Ascl1	Phox2b (early), Nkx2.2, Nkx2.9