Figure 6.

TERT detection within the mitochondria. (A) TEM representative micrograph of mitochondria in H₂O₂-treated HF-TERT cells. Magnification of TERT immunogold labeling in mitochondria (see black arrowheads). Scale bar: 0.5 µm. (B) Frequency of mitochondria containing a different number of gold particles in HF-TERT cells. (C) Frequency of mitochondria containing a different number of gold particles in HF-TERT H₂O₂ cells. The frequency of mitochondria scored was about 100. (D) Quantification of TERT particles in mitochondria. *** p < 0. 001; by t-test.