Table 7. Rsks expression patterns during odontogenesis.

	Rsk1				Rsk2				Rsk3				Rsk4
	Inc	M1	M2	M3	Inc	M1	M2	M3	Inc	M1	M2	M3	Inc	M1	M2	M3
E12.5
Oral epithelium	+	+											+	+
Dental lamina	+	+							+ faint	+			+	+
Mesenchyme					+	+				+			+
E14.5
Enamel organ	+	+											+	+
IDE	+					+				+			+
Enamel knot
Dental Papilla	+ π faint				+	+			+	+			+	+
Dental sac					+
E16.5
ODE	+					+	+
IDE	+	+	+				+		+				+	+	+
Epithelial loop	+	+	+						+				+	+	+
Dental Papilla	+ lab				+ lab	+	+		+ π	+	+		+	+	+
E19.5
ODE
SR
SI
IDE									+				+	+	+
PreAm	+								+
Am
Epithelial loop	+	+							+				+ lab	+	+
Od
PreOd						+
Dental papilla	+	+	+		+ lab	+	+		+	+	+		+ lab	+	+
Dental sac					+

+ : positive signal; lab: labial; π posterior area

IDE: inner dental epithelium; ODE: outer dental epithelium; SR: stellate reticulum; SI: stratum intermedium; PreAm: preameloblasts; Am: ameloblasts; Od: odontoblasts, PreOd: Preodontoblats