Table 1

Cell types expressing TGFβ₁ and TGFβ₃

	Controls			Fibrotic patients
Cell type	TGFβ₁	TGFβ₃		TGFβ₁	TGFβ₃
Alveolar macrophage	+	+		+	+
Bronchial epithelial	+	+		+	+
Alveolar wall	+	–		+	+
Pulmonary endothelial	+	–		–	–
Mesothelial	+	–		+	+
Mesenchymal	+	–		+	–

There was no difference in localisation between sections from patients with SSc and patients with CFA. + = detected; – = not detected.