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THE COMPARISON OF GENE EXPRESSION FROM HUMAN DENTAL PULP CELLS AND PERIODONTAL LIGAMENT CELLS

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¼ÒÇö ( So-Hyoun ) - °æÈñ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
¹Ú»óÇõ ( Park Sang-Hyuk ) - °æÈñ´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú Ä¡°úº¸Á¸Çб³½Ç
ÃÖ±â¿î ( Choi Gi-Woon ) - °æÈñ´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú Ä¡°úº¸Á¸Çб³½Ç

Abstract

º» ¿¬±¸´Â »ç¶÷ Ä¡¼ö¼¼Æ÷ ¹× Ä¡ÁÖÀδ뼼Æ÷ÀÇ Â÷À̸¦ ¾Ë¾Æº¸°íÀÚ ¹è¾çÇÑ °¢°¢ÀÇ ¼¼Æ÷¸¦ cDNA microarray assay¸¦ ÅëÇÏ¿© À¯ÀüÀÚÀÇ ¹ßÇöÁ¤µµÀÇ Â÷À̸¦ ºñ±³ÇÏ¿´´Ù. ±× °á°ú¸¦ ¹ÙÅÁÀ¸·Î °¢°¢ÀÇ ¼¼Æ÷¿¡¼­ 2¹è ÀÌ»óÀÇ À¯ÀüÀÚ ¹ßÇöÀÇ Â÷À̸¦ º¸ÀÌ´Â À¯ÀüÀÚÁß Æ¯Â¡ÀûÀÎ 3°¡Áö À¯ÀüÀÚ¸¦ ¼±ÅÃÇÏ¿© RT-PCR·Î °ËÁõÇÑ °á°ú ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù; 1. Microarray assay °á°ú, Ä¡ÁÖÀÎ´ë ¼¼Æ÷¿¡ ºñÇØ Ä¡¼ö ¼¼Æ÷¿¡¼­ 2¹è ÀÌ»ó ¹ßÇöÇÑ À¯ÀüÀÚ ¼ö´Â ÃÑ 51°³°¡ ³ªÅ¸³µ´Ù. 2. RT-PCRÀÇ °á°ú, Ä¡ÁÖÀδ뼼Æ÷¿¡ ºñÇØ Ä¡¼ö ¼¼Æ÷¿¡¼­ ITGA4, TGF-¥â2 µîÀÌ ³ô°Ô ³ªÅ¸³µ´Ù. 3. Microarray assay °á°ú, Ä¡¼ö ¼¼Æ÷¿¡¼­ ºñÇØ Ä¡ÁÖÀÎ´ë ¼¼Æ÷¿¡¼­ 2¹è ÀÌ»ó ¹ßÇöÇÑ À¯ÀüÀÚ ¼ö´Â ÃÑ 19°³°¡ ³ªÅ¸³µ´Ù. 4. RT-PCRÀÇ °á°ú, Ä¡¼ö ¼¼Æ÷¿¡ ºñÇØ Ä¡ÁÖÀδ뼼Æ÷¿¡¼­ LUM, WISP1, MMP1 µîÀÌ ³ô°Ô ³ªÅ¸³µ´Ù. º» ¿¬±¸ °á°ú·Î Ä¡¼ö¼¼Æ÷¿¡´Â »ó¾ÆÁú Çü¼º¿¡ °ü¿©Çϴ Ư¡ÀûÀÎ À¯ÀüÀÚ°¡ Ä¡ÁÖÀδ뼼Æ÷¿¡ ºñÇØ ³ô°Ô ¹ßÇöµÇ¾úÀ¸¸ç, Ä¡ÁÖÀδ뼼Æ÷¿¡´Â ±³¿øÁú ÇÕ¼º¿¡ °ü¿©Çϴ Ư¡ÀûÀÎ À¯ÀüÀÚ°¡ Ä¡¼ö¼¼Æ÷¿¡ ºñÇØ ³ô°Ô ¹ßÇöµÇ¾î, Ä¡¼ö¼¼Æ÷¿Í Ä¡ÁÖÀÎ´ë ¼¼ Æ÷´Â À¯ÀüÀÚ ¹ßÇöÀÇ Â÷ÀÌ°¡ ³ªÅ¸³²À» ¾Ë ¼ö ÀÖ¾ú´Ù.

The purpose of this study was to characterize functional distinction between human dental pulp cells(PC) and periodontal ligament cells(PDLC) using cDNA microarray assay and to confirm the results of the microarray assay using RT-PCR. 3 genes out of 51 genes which were found to be more expressed(>2 fold) in PC were selected, and 3 genes out of 19 genes which were found to be more expressed(>2 fold) in PDLC were selected for RT-PCR as well. According to this study, the results were as follows: 1. From the microarray assay, 51 genes were more expressed (2 fold) from PC than PDLC. 2. RT-PCR confirmed that ITGA4 and TGF ¥â2 were more expressed in PC than in PDLC 3. From the microarray assay, 19 genes were more expressed (2 fold) from PDLC than PC. 4. RT-PCR confirmed that LUM, WISP1, and MMP1 were more expressed in PDLC than in PC. From the present study, different expression of the genes between the PC and PDLC were characterized to show the genes which play an important role in dentinogenesis were more expressed from PC than PDLC, while the genes which were related with collagen synthesis were more expressed from PDLC than PC.

Å°¿öµå

cDNA microarray assay;Ä¡¼ö¼¼Æ÷;Ä¡ÁÖÀδ뼼Æ÷;RT-PCR;»ó¾ÆÁúÇü¼º;±³¿øÁú ÇÕ¼º
cDNA microarray assay;human dental pulp cells;human periodontal ligament cells;RTPCR;dentinogenesis;collagen synthesis

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