Table 1.

We formulate four model variants in which two documented mechanisms of crosstalk between VEGF-A₁₆₅ and bFGF are either included or excluded.

	variant 1	variant 2	variant 3	variant 4
bFGF-induced VEGF-A165 production	–	+	–	+
bFGF-induced VEGFR-2 upregulation	–	–	+	+