Two-step RT-qPCRÀ» À§ÇÑ cDNA ÇÕ¼º Á¦Ç°
Introduction
Real Time PCR (Quantitative PCR; qPCR)Àº À¯ÀüÀÚ¹ßÇöÀÇ Á¤±³ÇÑ ºÐ¼®À» À§ÇØ ÀϹÝÀûÀ¸·Î ³Î¸® »ç¿ëµÇ´Â ºÐÀÚ»ý¹°ÇÐÀû ±â¹ýÀÌ´Ù. RNA »ùÇÃÀ» ÀÌ¿ëÇÏ¿© Á¤·® PCR (quantitative PCR ¶Ç´Â Real Time PCR)À» ÁøÇàÇÏ´Â °æ¿ì,
RNA¸¦ ¿ªÀü»ç¹ÝÀÀ (reverse transcription; RT) °úÁ¤À» °ÅÃÄ cDNA·Î ¸¸µç ÈÄ Real Time PCRÀ» ÁøÇàÇÏ°Ô µÈ´Ù.
Two-step Real Time RT-PCR (¶Ç´Â RT-qPCR)Àº ÇϳªÀÇ Æ©ºê¿¡¼ ¿ªÀü»ç¹ÝÀÀÀ» ¸¶Ä£ ÈÄ, Æ©ºê¸¦ ¿Å°Ü qPCR¹ÝÀÀÀ» ÁøÇàÇÑ´Ù.
±×¸²1. Two-step RT-qPCR ¸ð½Äµµ
Two-step RT-qPCRÀÇ ÀåÁ¡
- Compatible with limited sample input due to high sensitivity
- Able to optimize RT and qPCR steps separately
- Can generate cDNA stocks
Two-step Real Time RT-PCR Àº RT¿Í qPCRÀÌ °¢°¢ÀÇ tube¿¡¼ ÁøÇàµÇ¹Ç·Î, ½ÇÇ躰 Á¶°ÇÀ» °ËÅäÇÏ¿© ¹ÝÀÀÈ¿À² ±Ø´ëÈÇϰųª ¹ÝÀÀƯÀ̼º Çâ»ó½ÃÅ°´Â µî ½ÇÇè¿¡ ¸Â´Â ÃÖÀûÀÇ ¹ÝÀÀÁ¶°ÇÀ» ¼³Á¤ÇÒ ¼ö ÀÖ´Ù.
ÀûÀº ¼öÀÇ »ùÇ÷Π¸¹Àº Ÿ°ÙÀ» ºÐ¼®Çϱ⿡ ÀûÇÕÇϸç, cDNA ÇÕ¼º ÈÄ ÀϺθ¸ qPCR¿¡ »ç¿ëÇϹǷÎ, ½ÇÇè¿¡ »ç¿ëÇß´ø cDNA¸¦ º¸°üÇÒ ¼ö ÀÖ´Â ÀÌÁ¡µµ ÀÖ´Ù.
´Ù¸¸, 2°³ÀÇ Æ©ºê¿¡¼ RT¿Í qPCRÀ» °¢°¢ ÁøÇàÇϹǷÎ, ½Ã°£ÀÌ ´Ù¼Ò ¼Ò¿äµÇ°í, ¿©·¯ ¹øÀÇ ÇÇÆêÆÃÀ¸·Î ÀÎÇØ ½ÇÇè ¿¡·¯, ¿À¿° µîÀÌ ¹ß»ýÇÒ °¡´É¼ºÀÌ ÀÖÀ¸¸ç, One-step Real Time RT-PCR¿¡ ºñÇØ high-throughput ½ÇÇè ¶Ç´Â ÀÚµ¿È Àåºñ Àû¿ë¿¡ ÇÑ°è°¡ ÀÖÀ» ¼ö ÀÖ´Ù.
´ÙÄ«¶ó¿¡¼´Â Two-step Real Time RT-PCRÀ» À§ÇÑ ´Ù¾çÇÑ cDNA ÇÕ¼ºÁ¦Ç° (RT)À» ÆǸÅÇÏ°í ÀÖÀ¸¸ç, ´ÙÄ«¶óÀÇ ´Ù¾çÇÑ Probe-based qPCR premix, Dye-based (TB Green
¢ç) qPCR premix¿Í Á¶ÇÕÇÏ¿© »ç¿ëÇÒ ¼ö ÀÖ´Ù.
Two-step RT-qPCR using PrimeScript¢â RT
TakaraÀÇ Two-step RT-qPCRÀ» À§ÇÑ cDNA ÇÕ¼º Á¦Ç°Àº Real Time PCR¿¡ ÃÖÀûȵǾî ÀÖ´Ù. °¢ Å°Æ®¿¡´Â °·ÂÇÑ Strand displacement È°¼ºÀ» °¡Áö°í ÀÖ¾î È¿À²ÀûÀ¸·Î cDNA¸¦ ÇÕ¼ºÇÒ ¼ö ÀÖ´Â
PrimeScript¢â Reverse Transcriptase°¡ Æ÷ÇԵǾî ÀÖ´Ù. PrimeScript¢â Reverse Transcriptase´Â ´Ù¾çÇÑ ½ÇÇè¿¡ Àû¿ëÇÒ ¼ö ÀÖ°í, ƯÈ÷ full-length cDNA ÇÕ¼ºÀÌ ÇÊ¿äÇÑ ½ÇÇè¿¡ ÃÖÀûµÇµÈ ¿ªÀü»çÈ¿¼ÒÀÌ´Ù.
2Â÷±¸Á¶ÀÇ RNA³ª GC ¼¿ÀÌ ¸¹Àº ÁÖÇü µî ´Ù¾çÇÑ ÇüÅÂÀÇ RNA·ÎºÎÅÍ ¿ªÀü»ç¹ÝÀÀÀ» ÁøÇàÇÒ ¼ö ÀÖ¾î, ±âº»ÀûÀÎ RT ½ÇÇè°ú ´Ù¼Ò ±î´Ù·Î¿î RT ½ÇÇè¿¡ ¸ðµÎ Àû¿ëÇÒ ¼ö ÀÖ´Â ´ÙÀç´Ù´ÉÇÑ ¿ªÀü»çÈ¿¼ÒÀÌ´Ù.
PrimeScript¢â RTase´Â RNase H (-)ÀÇ º¯ÇüµÈ recombinant MMLV (Moloney Murine Leukemia Virus) È¿¼Ò·Î ³·Àº ¿Âµµ¿¡¼µµ (¿¹, 42¡É) full-length cDNA¸¦ È¿À²ÀûÀ¸·Î ÇÕ¼ºÇϹǷÎ, ³ôÀº ¿Âµµ¿¡¼ RT ¹ÝÀÀÀ»
ÁøÇàÇÏ´Â °Í¿¡ ºñÇØ RNA degradationÀÇ À§ÇèÀ» ³·Ãâ ¼ö ÀÖ´Ù.
´ÙÄ«¶ó¿¡¼´Â ¾Æ·¡¿Í °°ÀÌ 3Á¾ÀÇ two-step RT-qPCRÀ» À§ÇÑ Àü¿ë cDNA ÇÕ¼º Á¦Ç°À» Á¦°øÇÏ°í ÀÖ´Ù.
Æí¸®¼º - primer, ¿ªÀü»çÈ¿¼Ò µîÀÌ ¸ðµÎ Æ÷ÇÔµÈ premix ŸÀÔ
PrimeScript¢â RT Master Mix (Perfect Real Time) (Code RR036A)
Maximum Specificity - gDNA Á¦°Å½Ã¾à Æ÷ÇÔ
PrimeScript¢â RT reagent Kit with gDNA Eraser (Perfect Real Time) (Code RR047A)
±âº» ±¸¼º - °¢°¢ÀÇ Component·Î ±¸¼º
PrimeScript¢â RT reagent Kit (Perfect Real Time) (Code RR037A)
Two-step RT-qPCRÀ» À§ÇÑ cDNA ÇÕ¼º Á¦Ç°¶óÀÎ
Citations
RR037A: Makino, K.
et al. Inhibition of uterine sarcoma cell growth through suppression of endogenous tyrosine kinase B signaling.
PLoS One 7, e41049 (2012).
RR036A: Mizutani, R.
et al. Identification and characterization of novel genotoxic stress-inducible nuclear long noncoding RNAs in mammalian cells.
PLoS One 7, e34949 (2012).
RR047A: Sato, Y., Inoue, M., Yoshizawa, T. & Yamagata, K. Moderate hypoxia induces ¥â-cell dysfunction with HIF-1-independent gene expression changes.
PLoS One 9, e114868 (2014).