FACS analysis of CLDN18.2 expression in CHO-K1/ CLDN18.2 clone by antiCLDN18.2, compared with blank control (green line, untreated cell) and negative control (blue line, only treated with goat anti-human antibody). The cells analyzed are live cells (E1 gate).
Cell based ELISA of CLDN18.2 expression in CHO-K1/ CLDN18.2 clone. CHO-K1/CLDN18.2 cells are plated at 8E4 cells /well in 100μl DMEM plus with 10% FBS in 96-well plate overnight. Then fix with paraformaldehyde for 15 minutes. After washed, the cells are incubated with concentration gradient of IMAB-362 (anti-CLDN18.2 antibody) for 1 hour, and incubated with goat anti-human IgG Antibody (H&L) [HRP] antibody. After incubated with TMB, OD450 is detected by microplate reader
Immune assay of CLDN18.2 expression in CHO-K1/ CLDN18.2 clone. CHO-K1/ CLDN18.2 cells are plated at 5E5 cells /well in 100μl PBS in 96-well plate, incubated with concentration gradient of IMAB-362(anti-CLDN18.2 antibody) on ice for 1 hour. Then discard the supernatant and incubated with goat anti-human IgG antibody at 10 μg/ml on ice for 1 hour. Then analyzed on flow cytometer and analysis the mean fluorescence intensity of APC (Mean APC-H) in live cell gate (E1 in Figure 1).
Stability testing of CLDN18.2 expression in CHO-K1/ CLDN18.2 clone.4 for 22 passages by anti-CLDN18.2, compared with blank control (blue line, untreated cell) and negative control (purple line, treated with goat anti-human antibody)
CHO-K1/CLDN18.2 Stable Cell Line
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