Table 2. Possible shortest paths from LCN2 to FOXP1.

No.	The protein members of the path
1	LCN2 → MMP9 → CD44 → ELAVL1 → FOXP1
2	LCN2 → MMP9 → COL4A5 → ELAVL1 → FOXP1
3	LCN2 → MMP9 → THBS1 → ELAVL1 → FOXP1
4	LCN2 → MMP9 → FN1 → MYC → FOXP1
5	LCN2 → MMP9 → FN1 → SUMO2 → FOXP1
6	LCN2 → MMP9 → FN1 → ELAVL1 → FOXP1
7	LCN2 → MMP9 → COL1A1 → ELAVL1 → FOXP1
8	LCN2 → HGF → PLAU → MYC → FOXP1
9	LCN2 → HGF → PLAU → ELAVL1 → FOXP1
10	LCN2 → HGF → SDC2 → ELAVL1 → FOXP1
11	LCN2 → HGF → FN1 → MYC → FOXP1
12	LCN2 → HGF → FN1 → SUMO2 → FOXP1
13	LCN2 → HGF → FN1 → ELAVL1 → FOXP1
14	LCN2 → MMP2 → HSP90AA1 → MYC → FOXP1
15	LCN2 → MMP2 → HSP90AA1 → FOXP2 → FOXP1
16	LCN2 → MMP2 → ITGB1 → ELAVL1 → FOXP1
17	LCN2 → MMP2 → CAND1 → SUMO2 → FOXP1
18	LCN2 → MMP2 → CAND1 → ELAVL1 → FOXP1
19	LCN2 → MMP2 → THBS1 → ELAVL1 → FOXP1
20	LCN2 → MMP2 → IL1B → ELAVL1 → FOXP1
21	LCN2 → MMP2 → COL1A1 → ELAVL1 → FOXP1
22	LCN2 → LRP2 → DLG3 → ELAVL1 → FOXP1
23	LCN2 → LRP2 → PLAU → MYC → FOXP1
24	LCN2 → LRP2 → PLAU → ELAVL1 → FOXP1
25	LCN2 → LRP2 → TLN1 → SUMO2 → FOXP1
26	LCN2 → LRP2 → DLG4 → ELAVL1 → FOXP1
27	LCN2 → LRP2 → THBS1 → ELAVL1 → FOXP1
28	LCN2 → LRP2 → APOE → ELAVL1 → FOXP1