SERPINB2 recombinant protein was purchased from Amyjet Scientific (Abnova, wuhan, china). Antibodies used for western blotting including GAPDH (1:1000, Beyotime, shanghai, china), RUNX2 (1:1000, Beyotime), COL1A1 (1:1000, Beyotime), SERPINB2 (1:1000, Abcam), SP7/Osterix (1:1000, Abcam, shanghai, china), non-phosphorylated (active) β-catenin (1:1000; Cell Signaling Technology), or total β-catenin (1: 1000; Beyotime), phosphorylated and total ERK (1:1000; Cell Signaling Technology), phosphorylated and total AKT (1:1000; Cell Signaling Technology). Second antibodies Alexa Fluor 555 was purchased from Beyotime. Lipo6000 Transfection Reagents were purchased from Beyotime (Shanghai, china).
The siRNAs were purchased from Genepharma (Hangzhou, china).
hSERPINB2 sense: GCAAAGAAUCAAGUUGCAATT
hSERPINB2 antisense: UUGCAACUUGAUUCUUUGCTT
hNC sense: UUCUCCGAACGUGUCACGUTT
hNC antisense: TTAAGAGGCUUGCACAGUGCA
mSERPINB2 sense: GGAGAGAAGUCUGCAAGAUTT
mSERPINB2 antisense: AUCUUGCAGACUUCUCUCCTT
mNC sense: GGCUCUGTTCUUGUCACGUAA
mNC antisense: UUTTGAGGCAAGCACAGUGCA