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   2005-01-24 19:26:38 | Hit : 17346 | Vote : 7640
Subject   miRNA
RNAi ¿¬±¸¿¡¼­ ÆÄ»ýµÈ Áß¿äÇÑ ¹ß°ßÀÇ Çϳª·Î ¾Ë·ÁÁ® ÀÖ´Ù. miRNA (microRNA)´Â siRNA¿Í À¯»çÇÑ ¾à 21¿°±âÀÇ ´Ü»ç½½ RNAÀÌ´Ù. ´Ù¸¥ ºÎºÐÀº miRNAÀÇ °æ¿ì, target mRNA°¡ ÀڽŰú ¾à°£ ´Þ¶óµµ »óº¸°áÇÕÀ» ÀÌ·é´Ù´Â Á¡À̸ç, ÁÖ·Î ¹ø¿ªÈ°¼ºÀÇ Á¦¾î¸¦ ÇÏ´Â °É·Î ¿©°ÜÁø´Ù. ¶Ç °¢°¢ÀÇ miRNA´Â °Ô³ðÀÇ miRNA À¯ÀüÀڷκÎÅÍ »ý¼ºµÈ´Ù.

20¿°±â Á¤µµÀÇ ÂªÀº RNA°¡ »ý¹°ÇÐÀûÀ¸·Î Áß¿äÇÑ Àǹ̸¦ °¡Áø´Ù°í´Â ¾Æ¹«µµ »ý°¢ÇÏÁö ¸ø Çß¾ú°ÚÁö¸¸, ¼±ÃæÀÇ ÇüÅÂÇü¼ºÀÇ ½Ã°£À» Á¦¾îÇÏ´Â lin4, let7 À̶ó´Â À¯ÀüÀÚµéÀÌ ±²ÀåÈ÷ ªÀº RNA¸¦ ÄÚµåÇÑ´Ù´Â »ç½ÇÀº ¾Ë·ÁÁ® ÀÖ¾ú´Ù. ±×¸®°í siRNA ¹ß°ßÀ» °è±â·Î ¼ö¹é °³ÀÇ miRNA°¡ ¼±Ãæ, ÃÊÆĸ®, Àΰ£¿¡°Ô Á¸ÀçÇÑ´Ù´Â °ÍÀ» 3°³ÀÇ ¿¬±¸±×·ìµéÀÌ µ¿½Ã¿¡ Science(294)Áö¿¡ ¹ßÇ¥Çß´Ù. ÇöÀç Àΰ£¿¡°Ô´Â 200°³ ÀÌ»óÀÇ miRNA°¡ Á¸ÀçÇÏ´Â °ÍÀ¸·Î ¿¹ÃøµÈ´Ù. siRNA¿Í miRNAÀÇ °ü°è¸¦ Á»´õ »ìÆ캸¸é, µÑ ´Ù Dicer¿¡ ÀÇÇؼ­ 󸮵ȴٴ Á¡ÀÌ ¶È°°´Ù. °Ô³ð»óÀÇ ±ä Çì¾îÇÉ ±¸Á¶ ¿µ¿ª¿¡ ÄÚµåµÈ miRNA´Â ÀÏÂ÷ Àü»ç¹°ÀÇ Çì¾îÇÉ ºÎºÐÀÌ Dicer¿¡ ÀÇÇØ Âª°Ô Àý´ÜµÈ´Ù. ±×¸®°í siRNA, miRNA µÑ ´Ù RISC º¹ÇÕü¿¡ °áÇÕµÇÁö¸¸ ±× ÀÚ¼¼ÇÑ ¸ÞÄ«´ÏÁòÀº ¹àÇôÁöÁö ¾Ê¾Ò´Ù. miRNA´Â target RNAÀÇ 3'ºñ¹ø¿ª¿µ¿ª¿¡ °áÇÕÇØ ¹ø¿ªÁ¦¾î¸¦ ÇÏÁö¸¸ ¿©±â¼­ÀÇ Æ¯Â¡Àº target RNA¿Í miRNA »çÀÌÀÇ ¿°±â´ë¿¡´Â ¸î °³Àΰ¡ÀÇ ºÒ¿ÏÀüÇÑ °áÇÕ(¿°±â´ë Çü¼º)ÀÌ Á¸ÀçÇؼ­, °á±¹ ±×¶§¹®¿¡ RNAi°æ·Î¿¡ ÀÇÇÑ target RNA ºÐÇØ°¡ ÀϾÁö ¾Ê´Â °ÍÀ¸·Î º¸ÀδÙ.


No Category   Subject Date Hit
17091 »ý¹°ÇÐ   ÁøÈ­¹ß»ý»ý¹°ÇÐ  [616] 2005/12/26 22187
17090 ¼¼Æ÷»ý¹°ÇÐ   Cell cycle°ú cell death  [260] 2005/06/15 18513
17089 ¼¼Æ÷»ý¹°ÇÐ   Cell division  [16] 2005/06/15 17805
17088 ¼¼Æ÷»ý¹°ÇÐ   Cytoskeleton  [208] 2005/06/15 18641
17087 ¼¼Æ÷»ý¹°ÇÐ   Cell junction and adhesion  [3264] 2005/06/15 19500
17086 ºÐÀÚ»ý¹°ÇÐ   Miniprep  [254] 2005/05/10 23991
17085 ºÐÀÚ»ý¹°ÇÐ   Gene cloning & transformation ÇѱÛÆÄÀÏ-_-;  [1583] 2005/04/05 54376
17084 »ý¸í°øÇÐ   Use of the Hemacytometer for the Determination of Cell Numbers  [662] 2005/03/03 42302
17083 »ý¸í°øÇÐ   Animal cell culture¿¡¼­ CO2¿Í sodium bicarbonate¿ªÇÒ µî  [24] 2005/03/03 26461
17082 ºÐÀÚ»ý¹°ÇÐ   CpG-island  [94] 2005/01/24 26009
17081 ¼¼Æ÷»ý¹°ÇÐ   cox-2 / TNF-alpha / iNOS / Il-1 beta / GAPDH / MMP-3 / MMP-9  [4060] 2005/01/24 18371
17080 ¼¼Æ÷»ý¹°ÇÐ   Cell Signaling  [1516] 2005/01/24 26484
ºÐÀÚ»ý¹°ÇÐ   miRNA  [4] 2005/01/24 17346
17078 »ýÈ­ÇÐ ºñ¹Ð±ÛÀÔ´Ï´Ù  DNA mini prep.  [1] 2004/11/15 7
17077 »ýÈ­ÇÐ ºñ¹Ð±ÛÀÔ´Ï´Ù  DNA mini prep.  [1] 2004/11/15 0
17076 »ýÈ­ÇÐ ºñ¹Ð±ÛÀÔ´Ï´Ù  2D protocol ÃÖÁ¾Á¤¸®   2004/11/15 4
17075 »ýÈ­ÇÐ ºñ¹Ð±ÛÀÔ´Ï´Ù  2D protocol ÃÖÁ¾Á¤¸®  [1] 2004/11/15 4
17074 »ýÈ­ÇÐ ºñ¹Ð±ÛÀÔ´Ï´Ù  ½ÇÇè½Ç¿¡¼­ ¾²ÀÌ´Â °£´ÜÇÑ °è»ê¹ýµé   2004/11/15 2
17073 »ýÈ­ÇÐ ºñ¹Ð±ÛÀÔ´Ï´Ù  ½ÇÇè½Ç¿¡¼­ ¾²ÀÌ´Â °£´ÜÇÑ °è»ê¹ýµé  [1] 2004/11/15 0
17072 »ýÈ­ÇÐ ºñ¹Ð±ÛÀÔ´Ï´Ù  Cell seeding  [1] 2004/11/15 0
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