Anti p53

Total proteins from human NP tissues or NP cells were lysed using RIPA lysis buffer (Beyotime, China) according to standard methods. Then, proteins were electrophoresed in 10% or 12% SDS‒PAGE gels and transferred to PVDF membranes. Membranes were blocked with 5% nonfat dried milk for 2 h and incubated with anti-GRP78 (Zenbio, China; 1:1000 dilution), anti-CHOP (Proteintech, China, 1:1000 dilution), anti-P53 (Servicebio, China; 1:1000 dilution), anti-P21 (Zenbio, China; 1:1000 dilution), anti-P16 (Cohesionbio, UK; 1:1000 dilution), anti-RB (CST, USA; 1:1000 dilution) and anti-SLC43A3 (Santa, USA, 1:1000 dilution) antibodies at 4 °C overnight. After washing with TBST, the membranes were incubated with horseradish peroxidase (HRP)-conjugated secondary antibodies and visualized using an ECL reagent (Beyotime Biotech, China). GAPDH expression was used for normalization.

Mesoporous silica dispersion was purchased from nanoComposix Company (USA), and Isoimperatorin from DESITE (China). Fetal bovine serum and RPMI1640 cell culture medium were extracted by Gibco (USA). Cell counting kit-8 (CCK-8) was purchased from Dojindo laboratories (Japan), and the Annexin V-FITC/PI apoptosis detection reagent was produced by BD (USA). Cell cycle detection kit, reactive oxygen species (ROS) detection kit, and DAPI were acquired from Beyotime Biotechnology (China). Rhodamine 123 (Rh123) was provided by Yeasen Biotechnology (China). Cy5 and membrane (2 kD) were purchased from Solarbio (China). Cell lysate, Protease inhibitor and TUNEL reaction solution were obtained from Boster (China). Anti-Ki-67, anti-P53, anti-Caspase-9 and anti-Caspase-3 antibodies were all purchased from Servicebio (China), while anti-Pan-Cadherin and anti-E-Cadherin antibodies were acquired from CST (USA). H&E staining kit was purchased from keygen BioTECH (Chnia), and human lymphoma cell line OCI-LY10 was acquired from the Shanghai Institute of Cell Research, Chinese Academy of Sciences.