Table 1.

ECM protein expression intensity patterns in BALB/c and NOD LG tissues

ECM protein	acini		ducts		blood vessel
	BALB/c	NOD	BALB/c	NOD	BALB/c	NOD
collagen type I	+++	-	+	(+)	+++	+++
collagen type III	+	-	+++	++	++	++
collagen type IV	+++	(+)	++	++	+++	+++
fibronectin	+	+	++	++	+++	+++
laminin 1	+++	-	+	+	+++	+++
HS-GAG	++	(+)	+	+	+++	+++
decorin	++	+	++	+	++	+
tropoelastin	-	-	+++	++	+	-

- no expression; (+) very weak expression; + weak expression; ++ expression; +++ strong expression