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Table 1 Analysis of the methylation at the imprinting center region 1 ( ICR1 ) and ICR2 on 11p15 in clonal fibroblasts

From: Decreased expression of cell proliferation-related genes in clonally derived skin fibroblasts from children with Silver-Russell syndrome is independent of the degree of 11p15 ICR1 hypomethylation

 

ICR1 methylation (mean; M1–M4)

ICR1 methylation (single methylation sites)

ICR2 methylation

 

M1

M2

M3

M4

 

SRShypo

S1sh_6

0 ± 0

0 ± 0

0 ± 0

1 ± 1

0 ± 0

50 ± 3

S1sh_8

0 ± 0

0 ± 0

0 ± 0

1 ± 0

0 ± 0

52 ± 6

S5lo_10

0 ± 0

1 ± 0

0 ± 0

1 ± 1

0 ± 0

45 ± 3

S2lo_7

1 ± 1

0 ± 0

0 ± 0

1 ± 1

2 ± 2

42 ± 7

S2lo_1

1 ± 2

0 ± 0

0 ± 0

5 ± 2

0 ± 0

48 ± 2

S1sh_12

1 ± 2

0 ± 0

0 ± 0

5 ± 2

0 ± 0

55 ± 5

S5sh_11

2 ± 2

0 ± 0

0 ± 0

3 ± 1

5 ± 5

51 ± 4

S3lo_9

8 ± 10

1 ± 1

0 ± 0

3 ± 1

28 ± 1

33 ± 3

SRSnormo

S3sh_19

39 ± 10

26 ± 8

2 ± 1

53 ± 3

46 ± 0

49 ± 1

S5lo_9

33 ± 11

13 ± 2

32 ± 8

46 ± 7

41 ± 2

51 ± 3

S2sh_1

30 ± 16

29 ± 3

29 ± 1

45 ± 5

47 ± 0

45 ± 7

S1sh_9

43 ± 17

35 ± 6

19 ± 2

60 ± 12

60 ± 0

52 ± 5

S1lo_7

55 ± 16

40 ± 3

37 ± 2

55 ± 7

86 ± 8

46 ± 2

Cnormo

K3li_3

45 ± 11

27 ± 4

41 ± 4

50 ± 4

64 ± 1

53 ± 3

K2li_17

44 ± 9

38 ± 2

41 ± 6

53 ± 2

54 ± 1

60 ± 3

K3re_12

39 ± 6

28 ± 4

46 ± 1

39 ± 1

44 ± 2

61 ± 5

K1li_5

44 ± 4

28 ± 2

45 ± 6

49 ± 1

43 ± 9

59 ± 6

  1. Numbers represent percentages of methylation (100% = fully methylated) ± standard deviation measured by MS-MLPA (n ≥ 2). The following sequences were amplified: M1: 1975955 (start)–1976006 (end), M2: 1976099–1976159, M3: 1976269–1976321, M4: 1976583–1976631.