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Comment
. 2003 May;111(10):1457-9.
doi: 10.1172/JCI18611.

A matter of life and death: cardiac myocyte apoptosis and regeneration

Bernardo Nadal-Ginard  1 , Jan Kajstura, Piero Anversa, Annarosa Leri
Affiliations
Comment

A matter of life and death: cardiac myocyte apoptosis and regeneration

Bernardo Nadal-Ginard et al. J Clin Invest. 2003 May.
No abstract available

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Figures

Figure 1
Figure 1
Developing myocytes in a pathologic human heart. (a) Cardiac primitive cells expressing c-kit on the surface membrane (green fluorescence). Nuclei are stained by propidium iodide (blue fluorescence). The nucleus of one of these c-kit–positive cells is labeled by the marker of cell proliferation Ki67 (yellow fluorescence; arrow). (b and c) Four myocyte progenitors illustrated in the same field. They are recognized by the presence of the stem cell surface antigen multi drug resistance protein 1 (MDR-1) (yellow fluorescence; arrows) and by the nuclear localization of the myocyte specific transcription factor myocyte enhancer factor 2 (MEF2) (b, magenta fluorescence). These early committed cells are cycling as documented by the expression of mini chromosome maintenance protein 5 (MCM5) (c, white fluorescence). MCM5 is another marker of the cell cycle. (d) An amplifying myocyte (arrow), which has lost the stem cell surface antigens, is shown. However the nucleus (blue fluorescence) expresses telomerase (green fluorescent dots). A thin layer of myocyte cytoplasm is recognized by the red fluorescence of cardiac myosin heavy chain. Confocal microscopy; scale bars = 10 μm.
See this image and copyright information in PMC

Comment on

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