JurkatTat cells were treated with 7 µM of each compound, 50 nM PMA or left untreated (No drug control) for 24 h. B Cell surface CD69 expression was measured by flow cytometry. Data information: For statistical analysis, mean and SE for the results are determined from three biological replicates (n=3). Statistical significance, as determined by ratio paired t test is indicated: ***, P= 0.0008; ns, no significant difference. 