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. 2014 Jan 13;1(2):88–98. doi: 10.1002/acn3.28

Figure 3.

Figure 3

Heterozygous deletion of CERS2 reduces CERS2 expression, CERS2 protein level, and activity in fibroblasts. (A) Total RNA was isolated from cultured fibroblasts from the proband and controls and expression levels of CERS1-6 were determined by quantitative real-time PCR. Mean ± SD is shown, N = 3. Statistical analyses were performed using a multiple t-test with significance levels: *(P < 0.05), **(P < 0.01), and ***(P < 0.001). (B) Total cell extracts were prepared from cultured fibroblasts and CERS2 levels were determined by Western blotting. TFIIB served as loading control. (C) Ceramide synthase activities were determined in whole cell extracts using the indicated acyl-CoAs as substrates. Mean ± SEM is shown, N = 6–9. Statistical analyses were performed using multiple t-test with significance levels: *(P < 0.05) and **(P < 0.01).