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Gene expression patterns of Etv5 and Etv6 in molar tooth germs at the cap stage

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±èÁø¼±, ¼­ÇýÁø, Á¶¼º¿ø,
¼Ò¼Ó »ó¼¼Á¤º¸
±èÁø¼± ( Kim Jin-Sun ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­»ý¹°Çб³½Ç
¼­ÇýÁø ( Seo Hye-Jin ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø ±¸°­Á¶Á÷¹×¹ß»ý»ý¹°ÇнÇÇè½Ç
Á¶¼º¿ø ( Cho Sung-Won ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­»ý¹°Çб³½Ç

Abstract

Fgf ½ÅÈ£ Àü´Þ °æ·Î´Â Ä¡¾Æ¹ß´Þ ´Ü°èÀû ÁøÇà°ú Ä¡¾Æ ÇüÅÂÇü¼º¿¡ ÀÖ¾î ¸Å¿ì Áß¿äÇÑ ¿ªÇÒÀ» ÇÑ´Ù. Ets (E-twenty six)´Â Fgf ½ÅÈ£ Àü´Þ °æ·Î¿¡ ÀÇÇØ Á¶ÀýµÇ´Â Àü»ç ÀÎÀÚµéÀÇ Áý´ÜÀ» ¸»Çϸ磬¿©±â¿¡ ¼ÓÇÑ Àü»çÀÎÀÚµéÀº ´Ù¾çÇÑ ±â°üÀÇ ¹ß´Þ¿¡ °ü¿© ÇÑ´Ù. ´ëºÎºÐÀÇ EtsÀÇ ´Ü¹éÁúÀº È°¼º Àü»çÀÎÀÚ·Î ÀÛ¿ëÇÏÁö¸¸ Etv5¿Í Etv6´Â ¾ïÁ¦ Àü»çÀÎÀÚ·Î ÀÛ¿ëÇÑ´Ù´Â º¸°í°¡ ÀÖ¾ú´Ù. ¹ß»ýÁßÀÎ Ä¡¾Æ¿¡¼­ Etv5 mRNAÀÇ ¹ßÇöÀº º¸°íµÈ ÀûÀÌ ÀÖÀ¸³ª£¬¿ä!¹øÀÇ ¹ßÇöÀº ¾ÆÁ÷ º¸°íµÈ Àû ÀÌ ¾ø´Ù. º» ¿¬±¸¿¡¼­´Â ¹ß»ý ÁßÀÎ Ä¡¾Æ¿¡¼­ Etv6 mRNAÀÇ ¹ßÇö ¾ç»óÀ» Á¶»çÇÏ¿´À¸¸ç ±× ¹ßÇö¾ç»óÀ»Ðàï·5ÀÇ ¹ßÇö¾ç»ó°ú ºñ±³ÇÏ¿´´Ù.°á°ú·Î¼­£¬Etv5´Â enamel knotÀ» Á¦¿ÜÇÑ »óÇÇ¿¡¼­ °­ÇÏ°Ô ¹ßÇöµÇ¾úÀ¸¸ç£¬Etv6´Â dental lamina¿Í stellate reticulum¿¡¼­ °­ÇÏ°Ô ¹ßÇöµÇ¾ú´Ù. Etv5¿Í Etv6ÀÇ ¹ßÇö ¾ç»óÀÌ stellate reticulum¿¡¼­´Â °ãÄ¡±âµµ ÇÏ¿´Áö¸¸, Àü¹ÝÀûÀ¸·Î ¸¹Àº Â÷ÀÌ°¡ ÀÖ¾ú´Ù. ÀÌ°ÍÀ¸·Î º¸¾Æ Etv5¿Í Etv6ÀÇ ¿ªÇÒÀº µ¿ÀÏÇÏÁö ¾ÊÀº °Í °°´Ù.

The Fgf signaling pathway plays an important role in the sequential process of tooth development and mor?phogenesis. Ets (E-twenty-six) is a family of transcription factors regulated by the Fgf signaling pathway and is involved in the development of various organs. Although most Ets proteins act as transcriptional activators, Etv5 (Ets version 5) and Etv6 (Ets version 6) reportedly act as transcriptional repressors. Expression of Etv5 mRNA has been reported in developing teeth, whereas Etv6 expression has not been reported yet. In this study, we examined the expression pattern of Etv6 in tooth development and compared the expression patterns of Etv5 and Etv6. Etv5 was strongly expressed in epithelium, except in the enamel knot, while Etv6 was strongly expressed in dental lamina and stellate reticulum. Although their expression patterns overlapped in the stellate reticulum, there were many differences overall. This result suggests that Etv5 and Etv6 regulate different genes

Å°¿öµå

Etv5; Etv6; mRNA¹ßÇö; Ä¡¾Æ; ¹ß»ý
Etv5; Etv6; mRNA expression; tooth; development

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