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Localization patterns of LYVE1 and CD31 in mice tongue development

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»êÁöºê´ºÆäÀΠ( Sanjiv Neupane ) - °æºÏ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø »ýÈ­Çб³½Ç
Á¶Àç¹Î ( Cho Jae-Min ) - °æºÏ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø »ýÈ­Çб³½Ç
À̼º¿ø ( Lee Sung-Won ) - °æºÏ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø »ýÈ­Çб³½Ç
¼ÕÇõ¹® ( Son Hyuk-Moon ) - °æºÏ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø »ýÈ­Çб³½Ç
¹è¿ëÇö ( Bae Yong-Hyun ) - °æºÏ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø »ýÈ­Çб³½Ç
±è½ÂÇö ( Kim Sung-Hyun ) - °æºÏ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø »ýÈ­Çб³½Ç
¼Õ¿øÁÖ ( Sohn Wern-Joo ) - °æºÏ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø »ýÈ­Çб³½Ç
ÀÌ¿µ±Õ ( Lee Young-Kyun ) - °æºÏ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø »ýÈ­Çб³½Ç
Á¤À籤 ( Jung Jae-Kwang ) - °æºÏ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ±¸°­³»°úÇб³½Ç
±èÀ翵 ( Kim Jae-Young ) - °æºÏ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø »ýÈ­Çб³½Ç

Abstract

Çô´Â ±× ÁÖµÈ ±¸Á¶¿Í ±â´ÉÀ» ÀÌÇØÇϱâ À§ÇÏ¿© ½Å°æÀÇ ºÐÁö£¬±ÙÀ°ÀÇ Çü¼º ±×¸®°í, Ç÷°üÀÇ ºÐÆ÷¿¡ °üÇÑ ¿¬±¸°¡ ÁÖ·Î ÁøÇàµÇ¾îÁ³´Ù. ±×·¯³ª ¸¹Àº Àå±âµé¿¡¼­ Á¤»óÀûÀÎ ¹ß»ý°ú ±â´É À¯Áö¸¦ À§ÇØ Áß¿äÇÑ ¿ªÇÒÀ» ÇÏ´Â °ÍÀ¸·Î ¾Ë·ÁÁø ¸²ÇÁ°ü Çü¼º ¹× ºÐÆ÷¿¡ °üÇÑ ¿¬±¸´Â ºÎÁ·ÇÑ »óȲÀÌ´Ù. ¸²ÇÁ°ü ³»ÇÇÀÇ hyaluronan ¼ö¿ëü-l(LYVEl)Àº ¸²ÇÁ°ü ³»ÇÇÀÇ ÃÖÃÊÀÇ ¾Ë·ÁÁø ¸²ÇÁ°ü ³»ÇǼ¼Æ÷ ƯÀÌÀûÀÎ ¼¼Æ÷Ç¥¸é¼ö¿ëüÀÌ´Ù. CD31(cluster of differentiation 31)·Îµµ ¾Ë·ÁÁø Ç÷¼ÒÆÇ ³»ÇǼ¼Æ÷ ºÎÂøºÐÀÚ(PECAM-1)´Â Ç÷°ü Çü¼ºÀÇ Àß ¾Ë·ÁÁø Ç¥ÁöÀÚÀÌ´Ù. º» ¿¬±¸¿¡¼­´Â ¸é¿ªÁ¶Á÷È­Çп°»ö±â¹ýÀ» È°¿ëÇÏ¿© Ç÷°ü°ú ¸²ÇÁ°üÀÇ Çü¼º°úÁ¤°ú ºÐÆ÷¾ç»óÀ» È®ÀÎÇϱâ À§ÇØ LYVE1 °ú CD31 Ç×üÀÇ ¹ßÇö¾ç»óÀ» ¹è¾Æ½Ã±â(Embryonic day£» E) 14ÀÏ£¬16ÀÏ£¬17ÀÏ ±×¸®°í ž ÈÄ(Postnatal day£» PN) 0ÀÏ£¬5ÀÏ£¬10ÀÏ£¬15ÀÏ£¬±×¸®°í 20ÀÏÀÇ »ýÁã ¹è¾Æ ¹× ½Å»ýÀÚ¸¦ Èñ»ýÇÑ ÈÄ Á¶Á÷ÀýÆíÀ» Á¦ÀÛÇÏ¿© È®ÀÎÇÏ¿´´Ù. LYVE1 °ú CD31 ÀÇ °æ¿ì£¬»ýÁã Çô ¹ß»ý´Ü°è µ¿¾È£¬Æ¯Â¡ÀûÀÎ ´Ü¹éÁú ¹ßÇö¾ç»óÀÌ °üÂûµÇ¾ú´Ù. E14¿¡¼­´Â LYVE1 ÀÌ ÁÖ·Î Á¤Áß¼¶À¯Áß°Ý(median Ê¥rous septum)À» µû¶ó ¹èÃø (ventral region)¿¡ ºÐÆ÷ÇÏ°í ÃøºÎ¿¡´Â À̼³±Ù(genioglossus muscle)°ú ºÎ´ë¼³±Ù(hyoglossus muscle) Çü¼º ºÎÀ§¿¡¼­ ¹ßÇöµÇ¾ú´Ù. °°Àº ½Ã±â CD31 ÀÇ ¹ßÇö¾ç»óÀº ¹ß»ýÁßÀÎ ÇôÀÇ Àü¹Ý¿¡ °ÉÃÄ È®ÀεǾú´Ù. E16¿¡¼­ LYVE1 °ú CD31 ÀÇ ¹ßÇö¾ç»óÀº ÇôÀÇ µîÃø(dorsal region)¿Í ¹èÃø(ventral region)¿¡¼­ ´õ¿í Ư¡ÀûÀ¸·Î È®ÀÎÇÒ ¼ö ÀÖ¾úÀ¸¸ç£¬E17¿¡¼­´Â ÀÌ·¯ÇÑ Æ¯Â¡ÀûÀÎ ¹ßÇöÀÌ ÇôÀÇ ±ÙÀ° Çü¼º°ú °ü·ÃÇÏ¿© ºÐÆ÷ÇÏ´Â °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. PNO, PN5, PN10, PN15 ±×¸®°í PN20 ½Ã±â¿¡¼­´Â LYVE1 °ú CD31(PN10)ÀÇ ¹ßÇöÀÌ ´ëºÎºÐ ±Ù¼¶À¯ »çÀÌÀÇ °ø°£¿¡ ºÐÆ÷µÇ¾î ±× ºÐÆ÷¾ç»óÀÌ º¸´Ù º¹ÀâÇØÁö´Â °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. º» ¸é¿ªÁ¶Á÷È­Çйæ¹ýÀ» ÅëÇØ È®ÀÎÇÑ Ç÷°ü ¹× ¸²ÇÁ°ü Çü¼ºÀÎÀÚÀÇ ¹ßÇö¾ç»óÀº ¸Å¿ì À¯»çÇÑ ¾ç»óÀ» È®ÀÎÇÒ ¼ö ÀÖ¾úÀ¸¸ç£¬¹ß»ý´Ü°è¿¡ µû¶ó ƯÀÌÀûÀÎ ¾ç»óÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. ÀÌ·¯ÇÑ ¸²ÇÁ°ü°ú Ç÷°ü Çü¼º ¹× ºÐÆ÷ÀÇ Á¤»ó ¹ß»ý°úÁ¤Àº ¾Ï°ú °°Àº º´¸®ÇÐÀûÀÎ »óÅÂÀÇ º¯È­¾ç»óÀ» ÀÌÇØÇϴµ¥ µµ¿òÀÌ µÉ °ÍÀ¸·Î ±â´ëµÈ´Ù.

Lymphatic vessel endothelial hyaluronan receptor-1 (LYVE1) is a cell surface receptor on lymphatic endo?thelial cells hich is the earliest known marker of lymphatic endothelial commitment. Platelet endothelial cell adhesion molecule also known as cluster of differentiation 31 (CD31) is a well-known marker for blood vessel formation. In this study, we examined the localization patterns of LYVE1 and CD31 in the developing tongue at El4, El6, E17 and PN0, PN5, PN10, PN15 and PN20 to understand the detailed developmental processes of lymphangiogenesis along with vasculogenesis by immunostaining examinations. Our observations revealed that there were specific patterns of proteins localizations through developmental stages. At El4, LYVE1 was local?ized mainly in the ventral region along the median fibrous septum and laterally in between the genioglossus and hyoglossus muscle forming regions. The localization of CD31 was more ubiquitous in the developing tongue at E14. The localization pañÓerns of LYVE1 and CD31 showed more specified in the dorsal and ventral region at El 6. In addition, branching formation of the lymphatic and blood vessels were more evident. At E17, more dis?tinct localization patterns of LYVE1 and CD31 were observed in the intrinsic tongue muscles forming region. At later stages, the LYVE-1 and CD31 were mostly localized in the interface between the muscle fibers. Our results suggest that there would be relationships between lymphangiogenesis and vasculogenesis in developing mouse tongue. These normal developmental processes in lymphangiogenesis and vasculogenesis would be an excellent foundation for further studies in pathological conditions and tongue development malformations.

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Lymphangiogenesis; Vasculogenesis; Tongue development; Organogenesis

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