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Home > Learning center > Real Time PCR > ´Ù¾çÇÑ ½ÇÇè Àû¿ë »ç·Ê > 15ºÐ ¿Ï·á, ½Å¼ÓÇÑ qPCR¿ë cDNA ÇÕ¼º

15ºÐ ¿Ï·á, ½Å¼ÓÇÑ qPCR¿ë cDNA ÇÕ¼º

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Real Time PCRÀ» À§ÇÑ ºü¸¥ cDNA ÇÕ¼º ¹æ¹ý
ºü¸£°í °­·ÂÇÑ ¼Ö·ç¼Ç - PrimeScript¢â Reverse Transcriptase

¡á Introduction
ÀϹÝÀûÀ¸·Î Real Time RT-PCR (reverse-transcription PCR)À» À§ÇÑ cDNA templateÀ» ÇÕ¼ºÇÏ´Â µ¥ 30~60ºÐÀÌ ¼Ò¿äµÈ´Ù. PrimeScript¢â Reverse Transcriptase¸¦ ÀÌ¿ëÇϸé RT ¹ÝÀÀÀ» 15ºÐ ¾È¿¡ ¿Ï·áÇÒ ¼ö ÀÖ°í, One step PrimeScript kit¸¦ ÀÌ¿ëÇÏ¸é ¿ªÀü»ç °úÁ¤À» 5ºÐÀ¸·Î ¼³Á¤ÇÒ ¼öµµ ÀÖ´Ù.
PrimeScript¢â Reverse Transcriptase´Â ¼Óµµ°¡ ºü¸£°í °­·ÂÇÏ¿© full length cDNA ºÐÀÚ (ÃÖ´ë 12 kb)¸¦ ³ôÀº ƯÀ̼ºÀ¸·Î Á¤È®ÇÏ°Ô ¸¹Àº ¼öÀ²·Î ÇÕ¼ºÇÒ ¼ö ÀÖ´Ù. cDNA¸¦ ÇÕ¼ºÇÑ ÈÄ¿¡´Â Probe based qPCR ¶Ç´Â TB Green based qPCR ½Ã¾àÀ¸·Î ½±°Ô ÈÄ¼Ó qPCR ½ÇÇèÀ» ÁøÇàÇÒ ¼ö ÀÖ´Ù.

¡á Result
Rapid and efficient preparation of template cDNA for real-time PCR
¿ªÀü»ç ¹ÝÀÀ ½Ã°£À» 60ºÐ À̻󿡼­ 15ºÐÀ¸·Î ÁÙÀ̸鼭 ½Å·ÚÇÒ ¼ö ÀÖ´Â ³ôÀº ÀçÇö¼ºÀÇ Real Time PCR °á°ú¸¦ »ý¼ºÇÑ´Ù.
PrimeScript¢â RT Reagent Kit (Perfect Real Time) (Code RR037A)´Â Real Time PCR¿ë cDNA¸¦ ºü¸£°í È¿À²ÀûÀ¸·Î ÇÕ¼ºÇÏ´Â µ¥ ÃÖÀûÈ­µÇ¾î ÀÖ´Ù.
Ÿ»çÀÇ 1st strand cDNA ÇÕ¼º Á¦Ç°°ú ºñ±³ÇÏ¿´À» ¶§, PrimeScript¢â RT Reagent Kit (Perfect Real Time) (Code RR037A)´Â human total RNA¿¡¼­ cDNA¸¦ ´õ ³ôÀº È¿À²·Î ÇÕ¼ºÇϸç, »ó´ç ½Ã°£À» Àý¾àÇÏ´Â ÀÌÁ¡À» Á¦°øÇÑ´Ù (±×¸² 1, Ç¥ 1) ¶ÇÇÑ, 1½Ã°£ ÀÌ»ó ¼Ò¿äµÈ Ÿ»ç Á¦Ç°°ú´Â ´Ù¸£°Ô ´Ü 15ºÐ¸¸¿¡ Real Time PCR¿ë cDNA ÁÖÇüÀ» ÇÕ¼ºÇÒ ¼ö ÀÖ¾úÀ» »Ó¸¸ ¾Æ´Ï¶ó, ³ôÀº ¼öÀ²·Î cDNA¸¦ ÇÕ¼ºÇÏ¿© ´õ ³·Àº Ct°ªÀ» ¾òÀ» ¼ö ÀÖ¾ú´Ù (Ç¥1).


±×¸² 1. Human fetal total RNA¿¡¼­ GAPDH¿Í RNAse PÀÇ ¹ßÇö ºÐ¼®
cDNA´Â PrimeScript ¶Ç´Â Ÿ»çÀÇ RTase¸¦ »ç¿ëÇÏ¿© ÇÕ¼ºÇÏ¿´°í ÇÕ¼ºµÈ cDNA¸¦ TaqMan based qPCR¹ýÀ¸·Î ºÐ¼®ÇÏ¿´´Ù. ¸ðµç ¹ÝÀÀ¿¡¼­ ÁõÆø °î¼±À» ³ªÅ¸³»¸ç ¼º°øÀûÀ¸·Î ¿ªÀü»ç °úÁ¤ ¹× Ÿ°Ù ÁõÆøÀÌ ÁøÇàµÇ¾úÀ½À» È®ÀÎÇÏ¿´´Ù. ±×·¯³ª PrimeScript¸¦ ÀÌ¿ëÇÑ ¹ÝÀÀ¿¡¼­ ¿ªÀü»ç È¿À²ÀÌ ´õ ÁÁ¾Ò°í, ÀÌ´Â µÎ Ÿ°Ù¿¡ ´ëÇØ ´õ ³·Àº Ct°ªÀ¸·Î È®Àεȴ٠(Ç¥1).

Ç¥ 1. Real Time PCR °á°ú (Ct°ª)

 

Target

Ct

Ct Mean

Ct Std Dev

PrimeScript

GAPDH

25.24

25.23

0.02

25.21

Ÿ»ç RTase

GAPDH

26.26

26.27

0.01

26.28

PrimeScript

RNP

30.21

30.19

0.03

30.18

Ÿ»ç RTase

RNP

31.24

31.16

0.11


Reduce reverse transcription time and pipetting
TB Green¢ç intercalating dye ¶Ç´Â probe-based detection Áß ¼±ÅÃÇÒ ¼ö ÀÖ´Â One-Step PrimeScript RT-PCR kit¸¦ »ç¿ëÇÏ¸é ¸ðµç RT-PCR °úÁ¤À» ÇϳªÀÇ Æ©ºê¿¡¼­ ¼öÇàÇϹǷΠ¹ÝÀÀ °úÁ¤ÀÌ °£¼ÒÈ­µÇ°í ¿À¿° À§Çè ¶ÇÇÑ ÃÖ¼ÒÈ­µÇ¾î, ´Ü 5ºÐÀÇ ¿ªÀü»ç °úÁ¤ ÈÄ ½Å¼ÓÇÑ ºÐ¼®ÀÌ °¡´ÉÇÏ´Ù. ±×¸² 2¿¡¼­´Â One Step TB Green¢ç PrimeScript¢â RT-PCR Kit II (Perfect Real Time) (Code RR086A)À» »ç¿ëÇÏ¿© ´ÜÀÏ Æ©ºê ¹ÝÀÀ (cDNA ÇÕ¼º ¹× qPCRÀÌ µ¿½Ã¿¡ ÁøÇàµÊ)À¸·Î human liver total RNA (2 pg-2 §¶)¿¡¼­ HPRT1 À¯ÀüÀÚÀÇ ¹ßÇöÀ» ºÐ¼®ÇÏ¿´´Ù. PrimeScript RTase¸¦ ÀÌ¿ëÇÑ 1 step ÇÁ·ÎÅäÄÝÀº ´Ù¾çÇÑ RNA ³óµµ¿¡¼­ HPRT1 mRNA¸¦ ³ôÀº °¨µµ¿Í ƯÀ̼ºÀ¸·Î °ËÃâÇÏ¿´´Ù (±×¸² 2).

±×¸² 2. Human HPRT1 À¯ÀüÀÚ °ËÃâ ¿¹ - One-step Real Time RT PCR °á°ú
One Step TB Green¢ç PrimeScript¢â RT-PCR Kit II (Perfect Real Time) (Code RR086A)À» ÀÌ¿ëÇÏ¿© 6.4 pg-100 ngÀÇ human liver total RNA¿¡¼­ HPRT1¿¡ ƯÀÌÀûÀÎ ÇÁ¶óÀ̸ӷΠ½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. Real Time PCR ÈÄ, ÁõÆø°î¼±ÀÇ Ct°ª (¿ÞÂÊ »ó´Ü ÆгÎ)À» »ç¿ëÇÏ¿© Ç¥ÁØ°î¼± (¿À¸¥ÂÊ ÇÏ´Ü ÆгÎ)À» »ý¼ºÇÑ °á°ú, °ËÃâµÈ HPRT1 cDNAÀÇ ¼öÁØÀº ÃÑ RNA input ¾ç°ú °ÅÀÇ ÀÏÄ¡ÇÏ¿´°í, ÀÏ°üµÈ melting curve´Â ¼­·Î ´Ù¸¥ ¾çÀÇ ÅÛÇø´À» »ç¿ëÇÏ´õ¶óµµ µ¿ÀÏÇÑ ÁõÆø »ê¹°ÀÌ »ý¼ºµÊÀ» º¸¿© ÁÖ¾ú´Ù. µ¥ÀÌÅÍ´Â ±¤¹üÀ§ÇÑ RNA ÁÖÇü ³óµµ¿¡ °ÉÃÄ ¼±Çü Ç¥ÁØ °î¼±À» »ý¼ºÇÏ¿´´Ù.

From RNA to real-time data in under 45 minutes
´ÙÄ«¶óÀÇ One Step PrimeScript¢â RT-PCR Kit (Perfect Real Time) (Code RR064A)¸¦ ÀÌ¿ëÇÏ¸é ½ÃÁß¿¡ ÆǸŵǴ Ÿ»ç one-step Real Time PCR Á¦Ç° ´ëºñÇؼ­ ÈξÀ ´õ ºü¸£°Ô ½ÇÇèÀ» ¿Ï·áÇÒ ¼ö ÀÖ´Ù (Ç¥ 2). Premix ½Ã¾à¿¡´Â 5ºÐ °£ ¿ªÀü»ç ¹ÝÀÀÀÌ ÁøÇàµÇ´Â PrimeScript¢â Reverse Transcriptase¿Í PCR ÁõÆø ½Ã°£À» ÁÙ¿©ÁÖ´Â °íÈ¿À² hot start PCR È¿¼ÒÀÎ TaKaRa Ex Taq¢ç HS PCR È¿¼Ò°¡ ¸ðµÎ Æ÷ÇԵǾî ÀÖ´Ù.

Ç¥ 2. One Step PrimeScript¢â RT-PCR Kit ¿Í Ÿ»ç Á¦Ç°ÀÇ ¹ÝÀÀ½Ã°£ ºñ±³

 

PrimeScript kit

Aȍ

Bȍ

Reverse transcription

5 ºÐ, 42¡ÆC

15 ºÐ, 48¡ÆC

10 ºÐ, 50¡ÆC

Denaturation/Activation (95¡ÆC)

10 ÃÊ
(Denaturation)

10 ºÐ
(Activation)

5 ºÐ
(Activation)

PCR
Denaturation (95¡ÆC)
Annealing/Extension (60¡ÆC) Cycles

3 ÃÊ
25 ÃÊ
x40

15 ÃÊ
60 ÃÊ
x40

10 ÃÊ
30 ÃÊ
x40

Approx. total run time (min)

41

114

60

* ¸ðµç ¹ÝÀÀÀº Applied Biosystems 7500 Fast Real-Time PCR system ¿¡¼­ ÁøÇàµÊ.

¡á Method
±×¸² 1ÀÇ ½ÇÇè ¿¹¿¡¼­´Â ±ÇÀå¹ÝÀÀ Á¶¼º ¹× ¹ÝÀÀ Á¶°Ç¿¡ µû¶ó ÃÑ ¹ÝÀÀ¾× 20 §¡¿¡ random hexamer¸¦ »ç¿ëÇÏ¿© human fetal total RNA 1 §¶À» ¿ªÀü»çÇÏ¿´°í PrimeScript RT ¹ÝÀÀ Á¶°ÇÀº ¾Æ·¡¿Í °°´Ù.
- ¹ÝÀÀ Á¶°Ç

Component

Amount

5X PrimeScript Buffer (for Real Time)

4 §¡

PrimeScript RT Enzyme Mix I

1 §¡

Random 6-mers (100 ¥ìM)

2 §¡

Total RNA (1 §¶/§¡)

1 §¡

RNase Free dH2O

12 §¡


- ¹ÝÀÀÁ¶°Ç

PrimeScript kit

Company L kit

37¡ÆC, 15 min

65¡ÆC, 5 min

85¡ÆC, 5 sec

25¡ÆC, 10 min

4¡ÆC, hold

50¡ÆC, 50 min

 

85¡ÆC, 5 min

 

4¡ÆC, hold

Total: approx. 15 min

Total: approx. 70 min


- ±×¸² 1 ¹æ¹ý
¿ªÀü»ç ÈÄ µ¿ÀÏÇÑ ºÎÇÇÀÇ dH2O·Î RT ¹ÝÀÀ¾×À» Èñ¼®ÇÏ¿© 2 §¡¸¦ qPCR¿¡ »ç¿ëÇÏ¿´´Ù (50 ng RNA/PCR ¹ÝÀÀ¿¡ ÇØ´ç). ABI 7900HT Fast Real Time PCR SystemÀ» »ç¿ëÇÏ¿© GAPDH¿Í RNase PÀÇ ¹ßÇöÀ» Custom TaqMan assay·Î ºÐ¼®ÇÏ¿´°í, ¸ðµç ¹ÝÀÀÀº 2ȸ ¹Ýº¹ ½ÇÇèÇÏ¿´´Ù. PCR Á¶°ÇÀº 95¡ÆC¿¡¼­ 10ºÐ, 95¡ÆC¿¡¼­ 15ÃÊ, 55¡ÆC¿¡¼­ 1ºÐÀ» 40ȸ ¹Ýº¹Çß°í, µ¥ÀÌÅÍ´Â SDS v2.4 software automated analysis·Î ºÐ¼®ÇÏ¿´´Ù.

- ±×¸² 2 ¹æ¹ý
±×¸² 2ÀÇ ½ÇÇè ¿¹¿¡¼­´Â One Step TB Green¢ç PrimeScript¢â RT-PCR Kit II (Perfect Real Time) (Code RR086A)¸¦ »ç¿ëÇÏ¿© intercalator ±â¹ÝÀÇ one step Real Time PCR·Î human HPRT1 À¯ÀüÀÚ¸¦ ÃøÁ¤ÇÏ¿´´Ù. Human liver total RNA (6.4 pg-100 ng) ¹× ¸ê±Õ¼ö (À½¼º ´ëÁ¶±º)¸¦ HPRT1 ÇÁ¶óÀÌ¸Ó¿Í ÇÔ²² ÁÖÇüÀ¸·Î »ç¿ëÇÏ¿´°í, ¹ÝÀÀÀº ±ÇÀå ÇÁ·ÎÅäÄÝ¿¡ µû¶ó ÁغñÇÏ¿© Dice Real Time System Thermal Cycler¿¡¼­ ½ÇÇàÇÏ¿´´Ù.

¡á Conclusions
PrimeScript ¿ªÀü»çÈ¿¼Ò´Â ºü¸£°í °­·ÂÇÏ¸ç ³ôÀº ƯÀ̼º°ú Á¤È®¼º ¹× ¼öÀ²·Î ±æÀÌ°¡ ±ä full length cDNA ºÐÀÚ(ÃÖ´ë 12kb)¸¦ ÇÕ¼ºÇÒ ¼ö ÀÖ´Ù. À̸¦ ÅëÇØ Real Time RT-PCRÀ» À§ÇÑ cDNA ÅÛÇø´À» ÇÕ¼ºÇÏ´Â µ¥ °É¸®´Â ½Ã°£À» 30~60ºÐ¿¡¼­ 15ºÐ ¹Ì¸¸À¸·Î ÁÙÀÏ ¼ö ÀÖ´Ù.