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½ÅÇüÁÖ, ±è´ë°ï, ¹ÚÂùÁø, Á¶¸®¶ó, Â÷¹Î»ó,
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½ÅÇüÁÖ ( Shin Hyung-Joo ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
±è´ë°ï ( Kim Dae-Gon ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
¹ÚÂùÁø ( Park Chan-Jin ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
Á¶¸®¶ó ( Cho Lee-Ra ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
Â÷¹Î»ó ( Cha Min-Sang ) - ¿ï»ê´ëÇб³ ÀÇ°ú´ëÇÐ

Abstract

ÀÓÇöõÆ®¿Í °ñ ¹ÝÀÀÀ» °³¼±Çϱâ À§ÇÑ »ýÈ­ÇÐÀû Ç¥¸é ó¸® ¹æ¹ýÀ¸·Î ´Ù¾çÇÑ ÀÌ¿ÂÀ» ÀÌ¿ëÇÑ ÀÌ¿ÂÁÖÀÔ¹ý¿¡ ´ëÇÑ °ü½ÉÀÌ ³ô¾ÆÁö°í ÀÖ´Ù. º» ¿¬±¸´Â ÇöóÁ »óÅÂÀÇ ¸¶±×³×½· ÀÌ¿ÂÀ» ÀÓÇöõÆ® Ç¥¸é¿¡ ÁÖÀÔÇÏ¿© ÀÌ¿Â ÇǸ·À» Çü¼ºÇÏ´Â ¹æ¹ýÀ¸·Î Ç¥¸é 󸮸¦ ÇÑ ÀÓÇöõÆ®¿¡ ´ëÇÑ MC3T3-E1 °ñ¸ð¾ç ¼¼Æ÷ÀÇ Ãʱ⠹ÝÀÀÀ» Æò°¡ÇØ º¸°íÀÚ ÇÏ¿´´Ù. ƼŸ´½ µð½ºÅ©¸¦ ³× °¡Áö ±ºÀ¸·Î Ç¥¸é󸮸¦ ´Þ¸®ÇÏ¿´´Ù. A±ºÀº ¿¬¸¶¸¸ ÇÏ¿´°í B±ºÀº ¿¬¸¶ ÈÄ ¸¶±×³×½· ÀÌ¿ÂÀ» ÁÖÀÔÇÏ¿´´Ù. C±ºÀº ¾Ë·ç¹Ì´½ ÀÔÀںлç ÇÏ¿´°í, D±ºÀº ¾Ë·ç¹Ì´½ ÀÔÀںлç ÈÄ ¸¶±×³×½· ÀÌ¿ÂÀ» ÁÖÀÔÇÏ¿´´Ù. Á¶°ñ¼¼Æ÷ÀÇ ¹ÝÀÀÀ» ¼¼Æ÷ ºÎÂø, Áõ½Ä, ºÐÈ­ÀÇ ´Ü°èº°·Î Æò°¡ÇÏ¿´´Ù. ¼¼Æ÷ ºÎÂøÀ» Æò°¡Çϱâ À§ÇØ MC3T3-E1 °ñ¸ð¾ç ¼¼Æ÷¸¦ 4½Ã°£, 24½Ã°£, 48½Ã°£ ±Ý¼Ó Ç¥¸é¿¡¼­ ¹è¾çÇÏ¿© ÁÖ»çÇö¹Ì°æÀ¸·Î °üÂûÇÏ¿´´Ù. ¼¼Æ÷ºÐÈ­µµÆò°¡´Â ¼¼Æ÷¸¦ 4ÀÏ°£ ¹è¾ç ÈÄ ¾ËÄ®¸®¼º ÀλêºÐÇØÈ¿¼Ò È°¼ºµµ ºÐ¼®À» ÅëÇØ ½ÃÇàÇÏ¿´´Ù. ¼¼Æ÷¿Ü±âÁúÀÇ ¼¼Æ÷³» ¹ßÇöÀº RT-PCRÀ» ÅëÇØ Æò°¡ÇÏ¿´´Ù. ÀÌ»óÀÇ ½ÇÇè¿¡¼­ ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. 1. ÁÖ»çÇö¹Ì°æ °üÂû½Ã ½Ã°£ÀÇ È帧¿¡ µû¶ó ¼¼Æ÷ ºÎÂø·®Àº Áõ°¡ÇÏ¿´À¸¸ç, ¸¶±×³×½· ÀÌ¿ÂÀ» ÁÖÀÔÇÑ ½ÃÆí¿¡¼­ ´õ ¸¹Àº ¾ç ¼¼Æ÷ Áõ½ÄÀÌ °üÂûµÇ¾úÀ¸¸ç ºÐÈ­Á¤µµµµ ´õ ³ôÀº °ÍÀ¸·Î °üÂûµÇ¾ú´Ù. 2. RT-PCR ºÐ¼®½Ã ¾Ë·ç¹Ì´½ ÀÔÀںлç ÈÄ ¸¶±×³×½· ÀÌ¿ÂÀ» ÁÖÀÔÇÑ ½ÃÆí¿¡¼­ c-fos¿Í osteonectinÀÇ ¹ßÇöÀÌ Áõ°¡µÈ ¼Ò°ßÀ» º¸¿´´Ù. 3. ¾ËÄ®¸®¼º ÀλêºÐÇØÈ¿¼Ò È°¼ºµµ ºÐ¼®½Ã ±Ý¼Ó Ç¥¸éó¸® ¹æ¹ý¿¡ µû¸¥ Â÷ÀÌ´Â ¹ß»ýÇÏÁö ¾Ê¾Ò´Ù. ÀÌ»óÀÇ °á°ú¸¦ Á¾ÇÕÇϸé Mg ÀÌ¿ÂÀÌ ÁÖÀÔµÈ ±ºÀÇ ¼¼Æ÷°¡ Mg ÀÌ¿ÂÀÌ ÁÖÀÔµÇÁö ¾ÊÀº ±ºº¸´Ù ÃʱâÀÇ ¼¼Æ÷¹ÝÀÀÀÌ ´õ ¿ì¼öÇÏ´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ´Ù.

For successful osteogenesis around the implants, interaction between implant surface and surrounding tissue is important. Biomechanical bonding and biochemical bonding are considered to influence the response of adherent cells. But the focus has shifted surface chemistry. The purpose of this study is to evaluate the MC3T3-E1 osteoblast like cell responses of magnesium (Mg)?ion implanted titanium surface produced using a plasma source ion implantation method. Commercially pure titanium disc was used as substrates. The discs were prepared to produce four different surface, A: Machine?turned surface, B: Mg?implanted surface, C: sandblasted surface, D: sandblasted and Mg?implanted surface. MC3T3?El osteoblastic like cells were cultured on the disc specimens. Cell adhesion, proliferation, differentiation, and synthesis of extracellular matrix were evaluated. The cell adhesion morphology was evaluated by SEM. RT?PCR assay was used for assessment of cell adhesion, proliferation and differentiation. ALP activity was measured for cell differentiation. The results of this study were as follows: 1. SEM showed that cell on Mg?ion groups was more proliferative than that of non Mg?ion groups. On the machine?turned surface, cell showed some degree of contact guidance in aligning with the machining grooves. 2. In RT PCR analysis, osteonectin and c-fos mRNA were more expressed on sandblasted and Mg?ion implanted group. 3. ALP activity was not significantly different among all groups. Within the limitations of this study, the following conclusions were drawn: It might indicate Mg ion implanted titanium surface induce better bone response than non Mg?ion groups.

Å°¿öµå

Mg ÀÌ¿Â;ÀÌ¿Â ÁÖÀÔ;¼¼Æ÷ ¹ÝÀÀ;»÷µåºí¶ó½ºÆÃ
Mg ion;Ion implantation;Plasma Source Ion Implantation;Cell response

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