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Comparative Gene-Expression Analysis of Periodontal Ligament and Dental Pulp in the Human Permanent Teeth

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À̼®¿ì ( Lee Suk-Woo ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
Àü¹ÌÁ¤ ( Jeon Mi-Jeong ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
ÀÌÈ¿¼³ ( Lee Hyo-Seol ) - °æÈñ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
¼ÛÁ¦¼± ( Song Je-Seon ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
¼ÛÈï±Ô ( Song Heung-Kyu ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
ÃÖÇüÁØ ( Choi Hyung-Jun ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
Á¤ÇѼº ( Jung Han-Sung ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­»ý¹°Çб³½Ç
¹®¼®ÁØ ( Moon Seok-Jun ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­»ý¹°Çб³½Ç
¹Ú¿ø¼­ ( Park Won-Se ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ÅëÇÕÁø·áÇаú
±è¼º¿À ( Kim Seong-Oh ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

ÀÌÀü ¿¬±¸¿¡¼­ »ç¶÷ÀÇ Ä¡¼ö¿Í Ä¡ÁÖÀδëÀÇ ±â´É¿¡ ´ëÇÑ ±¸Ã¼ÀûÀÎ 3¸¸ 2õ¿©°³ÀÇ ÀÎü À¯ÀüÀÚÀÇ RNA È°¼º Á¤º¸´Â ¾ø¾ú´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº »ç¶÷ ¿µ±¸Ä¡¿¡¼­ ¾òÀº Ä¡ÁÖÀδë¿Í Ä¡¼ö Á¶Á÷ ³»ÀÇ RNA À¯ÀüÀÚ ¹ßÇöÀ» º¸°íÇÏ°í °¢°¢ÀÇ ºÐÀÚ»ý¹°ÇÐÀûÀÎ Â÷À̸¦ ¾Ë¾Æº¸´Â °ÍÀÌ´Ù. cDNA ¹Ì¼¼¹è¿­ºÐ¼®¿¡¼­ µÎ Á¶Á÷ »çÀÌÀÇ À¯ÀüÀÚ ¹ßÇö ¼öÁØ¿¡¼­ 4¹è ÀÌ»ó Â÷À̳ª´Â À¯ÀüÀÚ´Â 347°³·Î ¹àÇôÁ³À¸¸ç, Ä¡ÁÖÀδë¿Í Ä¡¼ö¿¡¼­ °¢°¢ 83°³, 264°³ÀÇ À¯ÀüÀÚ ¹ßÇöÀÌ 4¹è ÀÌ»ó Â÷À̳­´Ù´Â °ÍÀ» º¸¿©ÁÖ¾ú´Ù. Ä¡ÁÖÀδë´Â ±³¿øÁú ÇÕ¼º (FAP), ±³¿øÁú ºÐÇØ (MMP3, MMP9¿Í MMP13), °ñ Çü¼º ¹× °³Á¶ (SPP1, BMP3, ACP5, CTSK¿Í PTHLH)¿Í °ü·ÃµÈ À¯ÀüÀÚ°¡ °­ÇÏ°Ô ¹ßÇöµÇ¾ú´Ù. ¹Ý¸é Ä¡¼öÁ¶Á÷Àº Ä®½· ÀÌ¿Â (CALB1, SCIN¿Í CDH12)°ú ¹ý¶ûÁú ¶Ç´Â »ó¾ÆÁúÀÇ ±¤È­ ¹× Çü¼º (SPARC/SPOCK3, PHEX, AMBN°ú DSPP)¿Í °ü·ÃÇÑ À¯ÀüÀÚÀÇ ¹ßÇöÀÌ ³ô°Ô ³ªÅ¸³µ´Ù. À̵é À¯ÀüÀÚ Áß SPP1, SPARC/SPOCK3, AMBN, DSPP µîÀÇ À¯ÀüÀÚ´Â Ä¡¾ÆÀÇ ±â´É°ú °ü·ÃÇؼ­ Àß ¾Ë·ÁÁ® ÀÖÁö¸¸, ´Ù¸¥ À¯ÀüÀÚµéÀº microarray ºÐ¼®À» ÅëÇؼ­ »õ·Ó°Ô ¹ß°ßµÈ À¯ÀüÀÚÀÌ´Ù. ÀÌ À¯ÀüÀÚµéÀº Ãß°¡ÀûÀÎ ¿¬±¸°¡ ¼öÇàµÈ´Ù¸é Àç»ý Ä¡·áÀÇ ÁÁÀº ¿äÀÎÀ» ã´Âµ¥ µµ¿òÀÌ µÉ °ÍÀ¸·Î »ý°¢µÈ´Ù.

There is no genetic activity information with the functions of dental pulp and periodontal ligament in human. The purpose of this study was to identify the gene-expression profiles of, and the molecular biological differences between periodontal ligament and dental pulp obtained from human permanent teeth. cDNA microarray analysis identified 347 genes with a fourfold or greater difference in expression level between the two tissue types 83 and 264, of which were more plentiful in periodontal ligament and dental pulp, respectively. Periodontal ligament exhibited strong expression of genes related to collagen synthesis (FAP), collagen degradation (MMP3, MMP9, and MMP13), and bone development and remodeling (SSP1, BMP3, ACP5, CTSK, and PTHLH). Pulp exhibited strong expression of genes associated with calcium ions (CALB1, SCIN, and CDH12) and the mineralization and formation of enamel and dentin (SPARC/SPOCK3, PHEX, AMBN, and DSPP). Among these genes, SPP1, SPARC/SPOCK3, AMBN, and DSPP were well known in dental research. However, the other genes are the newly found and it may help to find a good source of regenerative therapy if further study is performed.

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À¯ÀüÀÚ ¹ßÇö; Ä¡ÁÖÀδë; Ä¡¼ö; »ç¶÷ ¿µ±¸Ä¡
Gene-Expression; Periodontal Ligament; Dental Pulp; Human Permanent Teeth; Korean

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