Table 1.

Expression levels of a panel of ECM genes in the mono-cultures and co-culture of epithelial cells and fibroblasts

Collagen	Gene symbol	Gene title	E	F	E + F
	FN1	Fibronectin, 1	+ +	+ +	+ +
I	COL1A1	Collagen, type I, alpha 1	+ + +	+ + +	+++
	COL1A2	Collagen, type I, alpha 2	-	+ +	++
III	COL3A1	Collagen, type III, alpha 1	-	+ + +	++
IV	COL4A1	Collagen, type IV, alpha 1	+ + +	+ +	+++
	COL4A2	Collagen, type IV, alpha 2	+ + +	+ +	++
	COL4A3	Collagen, type IV, alpha 3	-	-	-
	COL4A4	Collagen, type IV, alpha 4	+ + +	+	++
	COL4A5	Collagen, type IV, alpha 5	-	-	-
	COL4A6	Collagen, type IV, alpha 6	+	+	+
V	COL5A1	Collagen, type V, alpha 1	+ +	+ + +	+++
	COL5A2	Collagen, type V, alpha 2	+ + +	+ + +	+++
	COL5A3	Collagen, type V, alpha 3	-	+ + +	++
VI	COL6A1	Collagen, type VI, alpha 1	+	+ +	++
	COL6A2	Collagen, type VI, alpha 2	+ +	+ +	++
	COL6A3	Collagen, type VI, alpha 3	+ + +	+ + +	+++
	COL6A5	Collagen, type VI, alpha 5	-	-	-
	COL6A6	Collagen, type VI, alpha 6	-	-	-

ECM, extracellular matrix.