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ÇǺΠ¼¶À¯¸ð¼¼Æ÷ ³ëÈ­¿¡ µû¸¥ ¼¼Æ÷Áý¶ô Å©±âÀÇ ºÐÆ÷ Colony Size Distributions according to in vitro Aging in Human Skin Fibroblasts

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±èÁØ»ó/Jun Sang Kim ±èÀ缺/Á¶¹®ÁØ/¹ÚÁ¤±Ô/¹éÅÂÇö/Jae Sung Kim/Moon June Cho/Jeong Kyu Park/Tae Hyun Paik

Abstract

¸ñ Àû : À¯¹æ¾Ï ȯÀÚÀÇ ÇǺΠ¼¶À¯¸ð¼¼Æ÷¸¦ ÀÌ¿ëÇÑ in vitro ¹è¾ç ½ÇÇèÀ» ÅëÇÏ¿© 16 ¼¼Æ÷Áý
¶ô ºñÀ² ºÐÆ÷ÀÇ º¯È­¸¦ °üÂûÇÏ¿© 16 ¼¼Æ÷Áý¶ô ºñÀ²°ú in vitro ¼¼Æ÷ ³ëÈ­ ¹× ¼¶À¯¸ð¼¼Æ÷ °ø
¿©ÀÚÀÇ in vitro ¿¬·É°úÀÇ ¿¬°ü¼ºÀ» Á¶»çÇÏ°íÀÚ ÇÏ¿´´Ù.
´ë»ó ¹× ¹æ¹ý : À¯¹æ¾Ï ¼ö¼úÀ» ¹ÞÀº 3¸íÀÇ È¯ÀڷκÎÅÍ ¾òÀº À¯¹æ ºÎÀ§ ÇǺθ¦ º» ½ÇÇè ´ë
»óÀ¸·Î »ç¿ëÇÏ¿´´Ù. °¢ ȯÀÚÀÇ À¯¹æ ºÎÀ§ ÇǺηκÎÅÍ ¾òÀº ÇǺΠ¼¶À¯¸ð¼¼Æ÷ Ç¥º»ÀÇ ¸íĪÀ»
C1, C2, C3a ¹× C3b·Î ºÐ·ùÇÏ¿´À¸¸ç °¢ Ç¥º» °ø¿©ÀÚÀÇ ¿¬·ÉÀº C1ÀÌ 44¼¼, C2´Â 54¼¼, ±×¸®
°í C3a ¹× C3b´Â µ¿ÀÏÇÑ °ø¿©Àڷμ­ ¿¬·ÉÀº 55¼¼¿´´Ù. ÇǺΠ¼¶À¯¸ð¼¼Æ÷ÀÇ ´ÜÀÏ ¼¼Æ÷ ºÎÀ¯
¾×Àº ÀÏÂ÷Á¶Á÷ ¹è¾ç¹ýÀ¸·Î ¾ò¾úÀ¸¸ç 100 °³ÀÇ ¼¼Æ÷µéÀ» 100§¢ ÀÇ Á¶Á÷¹è¾ç flask¿¡ ºÐÁÖ ÈÄ
37¡É¿¡¼­ 2ÁÖ µ¿¾È ¹è¾çÇÏ¿´´Ù. 5°³ÀÇ flask¿¡¼­ ¹è¾çÇÑ ÇǺΠ¼¶À¯¸ð¼¼Æ÷ÀÇ 16 ¼¼Æ÷Áý¶ô ºñ
À²À» ¾Ë±â À§ÇÏ¿© crystal violetsÀ¸·Î ¿°»öÇÑ ÈÄ 10 ¹èÀ²ÀÇ ÀÔü Çö¹Ì°æÀ» ÀÌ¿ëÇÏ¿© 16°³
¼¼Æ÷ ÀÌ»óÀ¸·Î ±¸¼ºµÈ ¼¼Æ÷Áý¶ô ¼ö¸¦ 1°³ ÀÌ»óÀ¸·Î ±¸¼ºµÈ ¼¼Æ÷ Áý¶ô¼ö·Î ³ª´« ¼öÄ¡¸¦ 16
¼¼Æ÷Áý¶ô ºñÀ²·Î ³ªÅ¸³»¾úÀ¸¸ç °¢°¢ 5°³ÀÇ flask¿¡¼­ ¾ò¾îÁø 16 ¼¼Æ÷Áý¶ô ºñÀ² Æò±ÕÄ¡¸¦ °¢
°è´ë¹è¾ç¿¡ ´ëÇÑ 16 ¼¼Æ÷Áý¶ô ºñÀ²·Î ³ªÅ¸³»¾ú´Ù. C1, C2ÀÇ °è´ë¹è¾ç Ƚ¼ö´Â °¢°¢ 12ȸ, 17
ȸ ¿´À¸¸ç C3a¿Í C3b´Â 14ȸ °è´ë¹è¾ç ÇÏ¿´´Ù.
°á °ú : C1, C2, C3a ¹× C3b ÇǺΠ¼¶À¯¸ð¼¼Æ÷ ¸ðµÎ¿¡¼­ 16 ¼¼Æ÷Áý¶ô ºñÀ²ÀÌ °è´ë¹è¾ç Ƚ
¼öÀÇ Áõ°¡¿¡ µû¶ó °¨¼ÒÇÏ´Â °æÇâÀ» º¸¿´À¸¸ç, Áý´ÜÀ̹èÈ­Áõ°¡¿¡ µû¶ó °¨¼ÒÇÏ¿´´Ù. ±×¸®°í °è
´ë¹è¾ç Ƚ¼ö°¡ Áõ°¡ÇÔ¿¡ µû¶ó Áý´ÜÀ̹èÈ­°¡ Áõ°¡µÇ´Â °ÍÀÌ °üÂûµÇ¾úÀ¸¸ç ƯÈ÷ C3a ¼¶À¯¸ð
¼¼Æ÷ÀÇ »ó°ü°è¼ö°¡ 0.954(p=0.0001)·Î¼­ °¡Àå °­ÇÑ »ó°ü°ü°è°¡ ÀÖÀ½À» º¸¿´´Ù. µ¿ÀÏÇÑ ÁöÁ¡
ÀÇ Áý´ÜÀ̹èÈ­¿¡¼­ 16 ¼¼Æ÷Áý¶ô ºñÀ²ÀÌ °í¿¬·É ÀÚÀÎ C3a °ø¿©ÀÚº¸´Ù Àú¿¬·ÉÀÚÀÎ C1 °ø¿©ÀÚ
¿¡¼­ ´õ ³ô°Ô ³ªÅ¸³µ´Ù.
°á ·Ð : »ç¶÷ ÇǺΠ¼¶À¯¸ð¼¼Æ÷ÀÇ in vitro ¹è¾ç¿¡¼­ °è´ë¹è¾ç Ƚ¼öÀÇ Áõ°¡¿¡ µû¶ó Áý´ÜÀÌ
¹èÈ­´Â Áõ°¡µÇ°í, ¼¼Æ÷ ³ëÈ­·Î ÀÎÇØ 16 ¼¼Æ÷Áý¶ô ºñÀ²Àº °¨¼ÒµÇ´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ¶ÇÇÑ
Àú¿¬·ÉÀÇ ÇǺΠ¼¶À¯¸ð¼¼Æ÷Àϼö·Ï Áý´ÜÀ̹èÈ­ Áõ°¡¿¡ µû¸¥ 16 ¼¼Æ÷Áý¶ô ºñÀ² °¨¼Ò°¡ °í¿¬·É
ÀÇ °æ¿ìº¸´Ù ¿Ï¸¸ÇÏ¿´´Ù. µû¶ó¼­ ÇǺΠ¼¶À¯¸ð¼¼Æ÷ in vitro ¹è¾ç¿¡¼­ °üÂûµÇ´Â 16 ¼¼Æ÷Áý¶ô
ºñÀ²Àº in vitro ¼¼Æ÷ ³ëÈ­ÀÇ ÁöÇ¥·Î¼­ À¯¿ëÇÏ¸ç ¶ÇÇÑ ÇǺΠ¼¶À¯¸ð¼¼Æ÷ °ø¿©ÀÚÀÇ ¿¬·É Æò°¡
¿¡ ÀÌ¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î »ç·áµÈ´Ù.

Purpose : To investigate the percentage of colonies with 16 or more cells distribution
of human skin fibroblast according to in vitro aging, and to evaluate the relationship
between percentage of colonies with 16 or more cells and 1'n vivo donor age in human
skin fibroblast culture.
Material and Method : C1, C2, C3a, and C3b human skin fibroblast samples from three
breast cancer patients were used as subjects. The C1, C2, and C3a donor were 44, 54,
and 55 years old, respectively. C3a and C3b cells were isolated from the same person.
Single cell suspension of skin fibroblasts was prepared with primary explant technique.
One hundred cells are plated into 100§¢ tissue culture flask and cultured for two weeks.
The colony size was defined as colonies with 16 or more cells. The cultured cell was
stained with crystal violet, and number of cells in each colony was determined with
stereo microscope at ¡¿10 magnification. Passage number of C1, C2, C3a and C3b skin
fibroblast were 12th, 17th, and 14th, respectively.
Results : Percentage of colonies with 16 or more cells of skin fibroblast samples
decreased with increasing in vitro passage number. In contrast, cumulative population
doublings of skin fibroblast sample increased with increasing in vitro passage number.
Percentage of colonies with 16 or more cells also decreased with increasing population
doublings in human skin fibroblast culture. There was strong correlation with percentage
of colonies with 16 or more cells and population doublings in C3a skin fibroblast sample.
At the same point of population doublings, the percentage of colonies with 16 or more
cells of the young C1 donor was higher level than the old C3a donor.
Conclusion : The population doublings increased with increasing in vitro passage
number but percentage of colonies with 16 or more cells decreased. The results of this
study imply that percentage of colonies with 16 or more cells is useful as a indicator of
in vitro human skin fibroblast aging and may estimate the in vivo donor age.

Å°¿öµå

»ç¶÷ ÇǺΠ¼¶À¯¸ð¼¼Æ÷; In Vitro ³ëÈ­; ¼¼Æ÷Áý¶ôÅ©±â; Human skin fibroblast; In vitro aging; Colony size;

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