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Table 1 HSD17B1 transcript and protein levels in primary cancerous and histopathologically unchanged tissue samples from patient with CRC.

From: Decreased expression of 17β-hydroxysteroid dehydrogenase type 1 is associated with DNA hypermethylation in colorectal cancer located in the proximal colon

n = 52

Primary cancerous tissues

Histopathologically unchanged tissues

Pc

  

Median (range)

Mean (± SD)

Median (range)

Mean (± SD)

 

Age (Years)

      

<60

10

3.511 (2.109-3.868) a

3.282 ± 0.5921 a

3.415 (2.726-5.107)a

3.611 ± 0.6309 a

0.2450a

  

2.634 (1.681-3.218)b

2.579 ± 0.5243b

2.620 (2.108-3.398)b

2.719 ± 0.4843b

0.5423b

>60

42

3.531 (2.071-5.227) a

3.569 ± 0.6649 a

3.692 (2.790-5.785)a

3.834 ± 0.6251a

0.1087a

  

2.728 (1.728-4.023)b

2.720 ± 0.4702b

2.952 (1.364-3.472)b

2.835 ± 0.4913b

0.1121b

Gender

      

Female

20

3.384 (2.109-4.455) a

3.371 ± 0.5676 a

3.449 (2.726-5.785)a

3.719 ± 0.7333a

0.2340 a

  

2.793 (1.681-3.218)b

2.666 ± 0.4767b

2.811 (2.108-3.472)b

2.844 ± 0.4065b

0.2119b

Male

32

3.571 (2.071-4.653) a

3.557 ± 0.6523 a

3.857(2.790-5.259) a

3.890 ± 0.5855 a

0.0388 a

  

2.702 (1.728-4.023)b

2.713 ± 0.4941b

2.962 (1.364-3.449)b

2.792 ± 0.5395b

0.2832b

CRC localization

      

Proximal colon (cecum to transverse)

20

3.507(2.666-4.455) a

3.427 ± 0.4350 a

3.874 (3.050-5.785) a

4.057 ± 0.7488 a

0.0016 a

  

2.793 (1.681-3.218)b

2.666 ± 0.4767b

2.811 (2.108-3.472)b

2.844 ± 0.4065b

0.0028b

Distal colon (splenic flexture to sigmoid)

12

3.214 (2.071-4.313) a

3.218 ± 0.7760 a

3.449 (2.726-4.587) a

3.630 ± 0.6372 a

0.1685 a

  

2.798 (1.772-3.254)b

2.691 ± 0.4777b

2.860 (1.364-3.391)b

2.619 ± 0.6350b

0.7763b

Rectum

20

3.544 (2.523-4.653) a

3.657 ± 0.6011 a

3.564 (3.226-4.862) a

3.762 ± 0.500 a

0.8839 a

  

2.951 (1.728-3.398)b

2.815 ± 0.4436b

2.988 (2.019-3.383)b

2.913 ± 0.3871b

0.5019b

Histologic grade

      

G1

4

4.059 (2.362-4.402) a

3.721 ± 0.9467 a

4.431 (3.123-5.259) a

4.311 ± 0.9076 a

0.4026 a

  

2.926 (2.586-3.040)b

2.870 ± 0.2060b

2.789 (2.026-3.147)b

2.688 ± 0.5370b

0.5506b

G2

35

3.379 (2.109-4.621) a

3.363 ± 0.5385 a

3.524 (2.726-5.785) a

3.681 ± 0.5619 a

0.0335 a

  

2.647 (1.681-4.023)b

2.649 ± 0.4993b

2.933 (2.019-3.472)b

2.863 ± 0.4114b

0.0659b

G3

13

3.875 (2.071-4.839) a

3.807 ± 0.7092 a

4.043 (2.790-5.227) a

4.165 ± 0.7346 a

0.2587 a

  

2.676 (1.845-3.431)b

2.670 ± 0.5098b

3.023 (1.364-3.449)b

2.763 ± 0.6858b

0.5114b

  1. The HSD17B1 transcript levelsa were standardized by the geometric mean of PBGD and hMRPL19 cDNA and expressed as decimal logarithm of multiples of these cDNA copies in calibrator. b The amount of western blot-detected proteins was presented as the decimal logarithm HSD17B1 to β-actin band optical density ratio. c Unpaired, two-tailed t-test or U-Mann-Whitney test.