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1.
JCPSP-Journal of the College of Physicians and Surgeons Pakistan. 2017; 27 (3): 192-192
in English | IMEMR | ID: emr-187001
2.
Pakistan Journal of Medical Sciences. 2017; 33 (4): 1042-1046
in English | IMEMR | ID: emr-188636

ABSTRACT

The stem cells keep us young by endogenously repairing us upon need. They do so by smartly one step forward towards differentiation while another step backward to nurture the undifferentiated stem cells. They are building blocks for every organ with a differential rate of repair of worn out tissues. Since stem cells can be cultured with a normal karyotype, they could be the ideal source for heart repair after myocardial infarction. As opposed to lower vertebrates and neonatal mice, cardiac regeneration in adult mammalian heart seems to be difficult to assess with a solid evidence of cytokinesis. It becomes more difficult to quantify the level of regeneration after myocardial infarction injury against a background of a large invasion of proliferating inflammatory cells. The question to be raised is how the renewal of a piece of myocardium follows the time line of picking up cell types in series: cardiomyocytes, endothelial cells, smooth muscle cells, fibro blast, pacemaker cells, conducting and Purkinje cells to bring the orchestration of rhythmically contracting and relaxing heart. This review focuses on where we are on the status of heart repair and cardiac regeneration


Subject(s)
Humans , Animals, Laboratory , Infant, Newborn , Adult , Stem Cells/physiology , Myocardial Infarction/therapy , Heart , Animals, Newborn , Mice , Biology
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