Fig. 3.
Expression of SMVT decreases in response to biotin supplementation in wild-type cells, but down-regulation is impaired in HCS-deficient cells. (A) Abundance of SMVT mRNA was quantified by real-time PCR. Values are means±S.D. a,b,cBars not sharing the same superscript are significantly different in cells matched for HCS expression. *P<.05, significantly different from knockdown cells matched for biotin (n=3). (B) SMVT protein was probed by Western blot analysis. Ctrl. indicates control (blot probed with secondary antibody in the absence of anti-SMVT). anti-SMVT and Ctrl. samples were run on the same gel, but the Ctrl. lane was processed separately after electroblotting.