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°í³óµµ Æ÷µµ´çÀÌ »ç¶÷ Ä¡ÁÖÀδ뼼Æ÷ÀÇ Integrin°ú Cathepsin ¹ßÇö¿¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ °üÇÑ ¿¬±¸

Effect of Glucose at High Concentrations on the Integrin and Cathepsin Expression of the Cultured Human Periodontal Ligament Cells

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±è¹æ¼ö ( Kim Bang-Soo ) - °æÈñ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ±¸°­ÇغÎÇб³½Ç
½ÅÁ¦¿ø ( Shin Je-Won ) - °æÈñ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ±¸°­ÇغÎÇб³½Ç
È«ÁøÇ¥ ( Hong Jung-Pyo ) - °æÈñ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ±¸°­³»°úÇб³½Ç
ÁÖ¼º¼÷ ( Jue Seong-Suk ) - °æÈñ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ±¸°­ÇغÎÇб³½Ç

Abstract

°í³óµµ ¼¼Æ÷¿Ü Æ÷µµ´çÀÌ Ä¡ÁÖÀδ뼼Æ÷ÀÇ integrin ¹ßÇö°ú cathepsin-B ¹× -LÀÇ ¹ßÇö¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» »ìÆ캸±â À§ÇÏ¿© »ç¶÷ Ä¡ÁÖÀδë·ÎºÎÅÍ ÀÏÂ÷¹è¾çÀ» ÅëÇØ ¾òÀº Ä¡ÁÖÀδ뼼Æ÷¸¦ 1,000 §·/L ³óµµÀÇ Æ÷µµ´çÀÌ Æ÷ÇÔµÈ ¹è¾ç¾× (´ëÁ¶±º)°ú 4,500 §·/L ³óµµÀÇ Æ÷µµ´çÀÌ Æ÷ÇÔµÈ ¹è¾ç¾× (½ÇÇ豺)À¸·Î ³ª´©¾î 24½Ã°£°ú 48½Ã°£ ¹è¾çÇÏ¿´´Ù. ±× ÈÄ, RT-PCRÀ» ÅëÇÏ¿© integrin, cathepsin-B ¹× -LÀÇ ¹ßÇöÀ» Æò°¡ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. ´ëÁ¶±º¿¡ ºñÇØ ½ÇÇ豺¿¡¼­ ¥á5 intergrin ¹ßÇöÀÌ Áõ°¡ÇÏ¿´´Ù.
2. Cathepsin-B´Â 24½Ã°£ ¹è¾ç ½ÇÇ豺¿¡¼­ ¹ßÇöÀÌ Áõ°¡ÇÏ¿´À¸³ª, 48½Ã°£ ¹è¾çÈÄ¿¡´Â ¹ßÇöÀÌ °¨¼ÒÇÏ¿´´Ù.
3. Cathepsin-LÀº 24½Ã°£°ú 48½Ã°£ ¹è¾ç±º ¸ðµÎ¿¡¼­ ´ëÁ¶±º¿¡ ºñÇØ ½ÇÇ豺¿¡¼­ ¹ßÇöÀÌ °¨¼ÒÇÏ¿´´Ù.
ÀÌ»óÀÇ °á°ú·Î º¸¾Æ, °í³óµµ Æ÷µµ´ç Á¶°ÇÀº Ä¡ÁÖÀδ뼼Æ÷ÀÇ integrin ¹ßÇöÀ» Áõ°¡½ÃÅ°¸ç, ÀÌ´Â ¼¼Æ÷È°¼º¿¡ ¿µÇâÀ» ¹ÌÃÄ Ä¡ÁÖÁ¶Á÷ÀÇ Àç»ýÀ» Áö¿¬½Ãų °ÍÀ¸·Î ÃßÃøµÈ´Ù. ¶ÇÇÑ, ÀÌ °úÁ¤Àº cathepsin ¹ßÇöÀÇ °¨¼Ò·Î ÀÎÇØ ÃËÁøµÉ °ÍÀ¸·Î »ý°¢µÈ´Ù.

This experiment was designed to clarify the effect of high concentrations of extracellular glucose on the periodontal ligament cells. The cells were incubated for 24 and 48 hours with ¥á-MEM including 1,000 §·/L (control group) and 4,500 §·/L (experimental group) of glucose. Then, the expressions of ¥á5 integrin, cathepsin-B and -L were examined using RT-PCR method. The results were as follows:
1. ¥á5 integrin expression was increased after incubation in high glucose media.
2. Cathepsin-B expression was increased after the 24-H incubation with high glucose media, but was decreased after the 48-H incubation.
3. The expression of cathepsin-L was decreased by the high glucose media.
Theses results suggest that extracellular glucose at high concentration may be attributed to delayed wound healing in diabetes patients through increase in ¥á5 integrin and decrease in cathepsins, which lead to accumulation of extracellular matrices and adhesion molecules.

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Integrin;Cathepsin;Glucose;Periodontal ligament cells

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