Total sod activity detection kit

Vitamin C (Tianjin Kingyork, H12020392), Vitamin D3 (Beijing Solarbio Science & Technology, V8070), Mouse TNF-alpha ELISA Kit (RayBiotech, P06804), Mouse IL-6 ELISA Kit (RayBiotech, P08505), Mouse IL-1β ELISA Kit (Shanghai Tongwei Biotechnology, TW56961), Mouse insulin ELISA Kit (Shanghai Tongwei Biotechnology, TW085566), Mouse endotoxin (ET) ELISA Kit (Jiangsu Meimian, MM-0369M1), Total Cholestenone Content Assay Kit (Beijing Solarbio Science & Technology, BC 1985), Triglyceride Content Assay Kit (Beijing Solarbio Science & Technology, BC0625), Total SOD activity detection kit (Shanghai Beyotime Biotechnology, S0101S), Lipid oxidation detection kit (Shanghai Beyotime Biotechnology, S0131S), BCA protein concentration assay kit (Shanghai Beyotime Biotechnology, P0010), Oil red O (Sigma, O0625), Anti-FXR1 antibody (Abcam, ab155124), BSEP Monoclonal antibody (Proteintech Group, 67512-1-Ig), Anti-Fas antibody (Abcam, ab271016), Anti-ZO1 tight junction protein antibody (Abcam, ab221547), Anti-Occludin antibody (Abcam, ab222691), Anti-SLC10A2/ASBT antibody (Abcam, ab203205), TRIzol Reagent (Thermo Fisher, 15596026), cDNA synthesis kit (Beijing Tiangen Biotech, KR118), and SuperReal PreMix Plus (SYBR Green) (Beijing Tiangen Biotech, FP205) were used.

The intracellular SOD activity was measured with a total SOD activity detection kit (Beyotime Biotechnology, S0101, Shanghai, China), according to the manufacturer’s instructions. After drug treatment, the cells were washed once with PBS and collected by centrifugation. The cells were fully lysed in SOD sample preparation solution, and the supernatants were collected at 12,000 × g at 4°C for 5 min. The absorbance was detected at 450 nm and 600 nm (reference wavelength) with a multimode microplate reader, and the SOD activity was calculated.