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Cardiac stem cells (CSCs)Àº ½É±Ù ¶Ç´Â Ç÷°ü¼¼Æ÷°è¿·Î ºÐÈÇÒ¼ö ÀÖ´Â ¼¼Æ÷·Î, ½ÉÀå Àç»ý ¿¬±¸ ºÐ¾ß¿¡ ÀÖ¾î ÀÌ»óÀûÀÎ ¸ðµ¨·Î »ç¿ëµÇ°í ÀÖ½À´Ï´Ù. ÇÏÁö¸¸, CSCÀÌ complex¿Í ¦À» ÀÌ·ç°í ÀÖ¾î ºÐ¸®ÇϱⰡ ½±Áö ¾ÊÀºµ¥, º» ŰƮ¸¦ ÀÌ¿ëÇÏ¿© °£´ÜÇÏ°Ô ¼¼Æ÷¸¦ ºÐ¸®Çس¾ ¼ö ÀÖ½À´Ï´Ù. |
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| Merck Millipore | |||
Figure 1. Discrete cell populations can be isolated from ventricular heart tissue through differential gradient centrifugation. Representative photos depicting heterogeneous cell populations present in the lower phase before centrifugation and a pure CSC population present in the upper phase after centrifugation.
Figure 2. Cardiac stem cells can be cultured in vitro and differentiated through selected use of growth or differentiation media. Representative images of low (A) and high (B) density cultures of purified CSCs and 12-day differentiated cardiomyocytes (C).
Figure 3. Cultured CSCs retain their stem cell characteristics and efficiently differentiate into cardiomyocytes. One week cultures of purified CSCs ubiquitously express stem cell markers, Sca-1 (A) and telomerase (B), while remaining in a proliferative state as determined by Ki67 (C) immunoreactivity. Differentiated CSCs express mature markers for cardiomyocytes, troponin I (D), desmin (E) and actinin (F), using the Cardiomyocyte Characterization Kit (Catalog No. SCR059). Cell nuclei were stained with DAPI (blue).
