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Table 1 Expression values of 6 reference genes using qPCR in purified versus non-purified pre-amplified samples

From: RNA pre-amplification enables large-scale RT-qPCR gene-expression studies on limiting sample amounts

  

UBC

GAPDH

RPL13A

YWHAZ

SDHA

HPRT1

mean dCq

2^dCq

sample 1

mean Cq NP1 (n = 2)

25.47

23.73

19.05

22.31

29.82

25.71

  
 

mean Cq P1 (n = 2)

21.54

22.19

15.87

18.29

25.94

22.03

  
 

dCq

3.93

1.54

3.18

4.02

3.88

3.68

3.37

10.34

sample 2

mean Cq NP2 (n = 2)

23.71

23.03

18.12

21.81

30.14

24.86

  
 

mean Cq P2 (n = 2)

20.95

21.54

15.63

18.53

28.14

21.89

  
 

dCq

2.77

1.49

2.49

3.28

2.01

2.97

2.5

5.65

sample 3

mean Cq NP3 (n = 2)

24.22

23.03

18.63

20.94

30.17

25.82

  
 

mean Cq P3 (n = 2)

21.1

21.75

16.04

17.66

28.67

22.72

  
 

dCq

3.12

1.29

2.6

3.28

1.5

3.1

2.48

5.57

sample 4

mean Cq NP4 (n = 2)

22.96

23.08

18.54

21.74

30.66

25.62

  
 

mean Cq P4 (n = 2)

19.69

21.89

16.07

18.63

28.83

22.48

  
 

dCq

3.27

1.19

2.48

3.11

1.83

3.14

2.5

5.66

sample 5

mean Cq NP5 (n = 2)

23.21

22.72

17.96

20.84

28.17

25.37

  
 

mean Cq P5 (n = 2)

20.64

21.22

15.6

17.83

25.73

22.11

  
 

dCq

2.57

1.51

2.36

3.01

2.44

3.26

2.52

5.74

sample 6

mean Cq NP6 (n = 2)

24.62

23.48

18.56

22.22

28.84

25.71

  
 

mean Cq P6 (n = 2)

21.52

21.87

15.91

19.03

26.97

22.67

  
 

dCq

3.1

1.61

2.65

3.19

1.88

3.04

2.58

5.96

average

        

6.31 (95% CI: 4.89 - 8.14)

  1. Cq: quantification cycle
  2. dCq: difference in Cq or delta-Cq
  3. NP: non-purified after pre-amplification
  4. P: purified after pre-amplification
  5. 2^dCq designates the pre-amplifiable target ratio (purified/non-purified products)