IGF-I : insulin like growth factor-IÀÇ ¾àÀÚ. ¼ºÀåÆÇÀÎ epiphyseal plate¿¡ ¿¬°ñ »ý¼ºÀ» Áõ°¡½ÃÄÑ »ÀÀÇ ¼ºÀåÀ» ÃËÁøÇÑ´Ù.
IGF-II : insulin like growth factor-IIÀÇ ¾àÀÚ. ¸¹Àº Àå±â¿Í Á¶Á÷¿¡ ÀÛ¿ëÇÏ¿© ´Ü¹é ÇÕ¼º°ú DNA, RNAÀÇ ÇÕ¼ºÀ» Áõ°¡½ÃÄÑ ¼¼Æ÷ÀÇ ¼ö¿Í ¾çÀ» Áõ°¡
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insulinelike growth factor binding