Table 1.

Expression of Focal Adhesion Proteins in Developing and Adult Rat Kidneys

	FAK	Paxillin	ILK	Hic-5
E13–E15
Blastema	±	±	+	+
Ureteric bud	++	++	+	−
Mesenchymal cells	+	+	+	+
E16–E18
Vesicles	+	+	+	±
Comma-, S-shaped bodies	++	++	++	+
Gl epithelial cells	±	+	+	+
Gl endothelial cells	++	++	++	++
Mesangial cells	++	++	++	++
Ureteric bud branches	++	++	+	−
Mesenchymal cells	+	±	+	+
P1–P7
Vesicles	+	+	+	±
Comma-, S-shaped bodies	+	+	+	±
Gl epithelial cells	±	+	+	−
Gl endothelial cells	+	+	++	++
Mesangial cells	+	+	++	+
Tubular cells	+	+	±	−
Collecting duct cells	+	±	+	−
Mesenchymal cells	+	±	+	+
P20–P42
Gl visceral epithelial cells	−	−	++	−
Gl parietal epithelial cells	±	−	±	−
Gl endothelial cells	−	−	+	−
Mesangial cells	−	−	±	−
Proximal tubular cells	+	−	++	−
Distal tubular cells	−	+	+	−
Collecting duct cells	±	±	+	−
Interstitial cells	−	−	−	VSMC

Note: – = negative staining; ± = faint staining; + = mild staining; ++ = strong staining; Gl = glomerular; VSMC = vascular smooth muscle cells.