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GENE EXPRESSION OF HUMAN CORONARY ARTERY ENDOTHELIAL CELLS IN RESPONSE TO PORPHYROMONAS ENDODONTALIS INVASION

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°øÈñÁ¤ ( Kong Hee-Joung ) - °æÈñ´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú Ä¡°úº¸Á¸Çб³½Ç
ÃÖ°æ±Ô ( Choi Kyoung-Kyu ) - °æÈñ´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú Ä¡°úº¸Á¸Çб³½Ç
¹Ú»óÇõ ( Park Sang-Hyuk ) - °æÈñ´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú Ä¡°úº¸Á¸Çб³½Ç
ÀÌÁø¿ë ( Lee Jin-Yong ) - °æÈñ´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú ±¸°­»ý¹°Çבּ¸¼Ò
ÃÖ±â¿î ( Choi Gi-Woon ) - °æÈñ´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú Ä¡°úº¸Á¸Çб³½Ç

Abstract

º» ¿¬±¸¿¡¼­´Â Porphyromonas endodontalis¿Í Á×»ó°æÈ­Áõ ¹× ½ÉÇ÷°üÁúȯ°úÀÇ °ü°è¸¦ ¾Ë¾Æº¸±â À§ÇØ, P. endodontalis°¡ »ç¶÷ÀÇ °ü»óµ¿¸Æ ³»ÇǼ¼Æ÷¿¡ ħÅõÇßÀ» ¶§ ³ªÅ¸³ª´Â À¯ÀüÀÚ ¹ßÇöÀÇ º¯È­¸¦ microarray¿Í real-time PCR·Î ÃøÁ¤ÇÏ¿´°í, ¹ßÇö ÀÌ Áõ°¡µÈ À¯ÀüÀÚ Áß¿¡¼­ Á×»ó°æÈ­Áõ°ú ¿¬°üµÈ À¯ÀüÀÚµéÀÌ °ü·Ã KEGG pathway »ó¿¡¼­ À¯ÀǼº ÀÖ´Â ¿µÇâÀ» ¹ÌÄ¡´ÂÁö¸¦ ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. 1. Porphyromonas endodontalis´Â »ç¶÷ÀÇ °ü»óµ¿¸Æ ³»ÇǼ¼Æ÷¿¡ ħÅõÇÏ¿´´Ù. 2. Microarray ºÐ¼®°á°ú, ´ëÁ¶±ºº¸´Ù ¹ßÇöÀÌ 2¹è ÀÌ»ó Áõ°¡µÈ À¯ÀüÀÚ´Â 625°³¿´°í, 1/2ÀÌÇÏ·Î °¨¼ÒµÈ À¯ÀüÀÚ´Â 154°³¿´´Ù. 3. ¹ßÇöÀÌ 2¹è ÀÌ»ó Áõ°¡µÈ À¯ÀüÀÚ Áß¿¡´Â ¿°Áõ¼º cytokine ¹× chemokine, ¼¼Æ÷ÀÚ¸ê»ç, Ç÷¾×ÀÀ°í¿Í ¸é¿ª¹ÝÀÀ °ü·Ã À¯ÀüÀÚµéÀÌ Æ÷ÇԵǾú´Ù. 4. Microarray ºÐ¼®°á°ú¸¦ È®ÀÎÇϱâ À§ÇØ ¹ßÇöÀÌ 2¹è ÀÌ»ó Áõ°¡µÈ À¯ÀüÀÚ Áß¿¡¼­ 10°³ÀÇ À¯ÀüÀÚ¸¦ ¼±ÅÃÇÏ¿© real-time PCRÀ» ½ÃÇàÇÏ¿´°í, ±× °á°ú microarray¿¡¼­¿Í ¸¶Âù°¡Áö·Î ¹ßÇö Á¤µµ°¡ ´ëÁ¶±ºº¸´Ù ¸ðµÎ ³ô°Ô ³ªÅ¸³µ´Ù. µû¶ó¼­ P. endodontalis°¡ »ç¶÷ÀÇ °ü»óµ¿¸Æ ³»ÇǼ¼Æ÷¿¡ ¸¸¼ºÀûÀ¸·Î ÀÛ¿ëÇßÀ» ¶§, ½ÉÇ÷°üÁúȯ¿¡¼­ Áß¿äÇÑ ºÎºÐÀ» Â÷ÁöÇÏ´Â Á×»ó°æÈ­ÁõÀ» À¯¹ßÇÏ´Â À§Çè ¿ä¼Ò ÁßÀÇ Çϳª·Î ÀÛ¿ëÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î ÆǴܵȴÙ. ÀÌ¿Í °ü·ÃµÈ ÀÚ¼¼ÇÑ ±âÀüÀ» ÀÌÇØÇϱâ À§Çؼ­´Â ¾ÕÀ¸·Î ´õ ¸¹Àº ¿¬±¸°¡ ÇÊ¿äÇÒ °ÍÀ¸·Î º¸ÀδÙ.

During the last two decades, there has been an increasing interest in the impact of oral health on atherosclerosis and subsequent cardiovascular disease (CVD). To date, some periodontal pathogens including Porphyromonas gingivalis (P. gingivalis) have been reported to be relevant to CVD. Porphyromonas endodontalis (P. endodontalis), which shares approximately 87% sequence homology with P. gingivalis, is mostly found within infected root canals. However, recent studies reveal that this pathogen also resides in the dental plaque or periodontal pocket in patients with periodontitis. It has been shown that P. endodontalis invades human coronary artery endothelial cells (HCAEC) and coronary artery smooth muscle cells (CASMC). To evaluate whether P. endodontalis can participate in the progression of atherosclerosis and CVD, we examined the changes in transcriptional gene expression profiles of HCAEC responding to invasion by P. endodontalis in this study. The following results were obtained. 1. Porphyromonas endodontalis was invasive of HCAEC. 2. According to the microarray analysis, there were 625 genes upregulated more than two-folds, while there were 154 genes downregulated by half. 3. Upregulated genes were relevant to inflammatory cytokines, apoptosis, coagulation and immune response. Enhanced expression of MMP-1 was also noticeable. 4. The transcription profiles of the 10 selected genes examined by real-time PCR agreed well with those observed in the microarray analysis. Thus, these results show that P. endodontalis presents the potential to trigger and augment atherosclerosis leading to CVD. [J Kor Acad Cons Dent 34(5):537-550, 2009]

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Porphyromonas endodontalis;Á×»ó°æÈ­Áõ;½ÉÇ÷°üÁúȯ;ħÅõ;Ç÷°ü ³»ÇǼ¼Æ÷;À¯ÀüÀÚ ¹ßÇö
Porphyromonas endodontalis; Atherosclerosis;Cardiovascular disease (CVD);Invasion;Human coronary artery endothelial cells (HCAEC);Gene expression

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