Skip to main content
. 2000 Oct 2;192(7):1001–1014. doi: 10.1084/jem.192.7.1001

Figure 1.

Figure 1

Figure 1

Spatial organization and function of mitochondria in isolated adult rat cardiac myocytes. (A) Confocal plane of a myocyte loaded with TMRM (125 nM; bar = 5 μm). (B) z-section through A (1-μm resolution). Arrows in A and B denote mitochondria lacking TMRM sequestration. (C) Spontaneous ROS production at sites of low mitochondrial membrane potential: red, TMRM (125 nM) fluorescence; green, DCF (10 μM) fluorescence. (D) Exposure to antimycin A (25 μM) produces widespread numbers of depolarized mitochondria (loss of red TMRM fluorescence) together with increased ROS production (increased green DCF fluorescence). (E) Pretreatment with the ROS scavenger Trolox (2 mM) prevents the antimycin A–induced mitochondrial depolarization seen in D (cell labeled with TMRM and DCF as in D).