CYGB and keloid: Inhibition expression of CYGB by siRNA (+) (1.208 [0.227]) in keloid fibroblasts also decreased the CYGB protein level, compared to CYGB siRNA (−) (2.149 [0.606]); mean difference (95% CI) = 0.941 (−0.857, 2.738; P = 0.220; t-test), as shown in Figure 2.