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Table 1 Study population of 8 PKU patients

From: Diurnal variation of phenylalanine and tyrosine concentrations in adult patients with phenylketonuria: subcutaneous microdialysis is no adequate tool for the determination of amino acid concentrations

Patient

Age (years)

Sex

PAHgene mutations nucleotide change (Amino acid change)

Phe intake (mg/24 h)*

Phe intake (mg/kg/24 h)*

Tyr intake (mg/24 h)#

Tyr intake (mg/kg/24 h)#

Amino acid supplements (g protein/24 h)** (SD)##

Amino acid supplements (g protein/kg/24 h)**

Total from food from amino acid supplements

1

42

m

c.842C>T

1071

14

9057

115

80 (3)

1,0

(p.P281L)

6080

c.842C>T

2977

(p.P281L)

2

20

f

n.a.

1653

35

1144

24

0 (0)

0,0

0

1140

3

22

f

c.842C>T

1142

12

6191

66

61 (3)

0,6

(p.P281L)

3660

c.842C>T

2531

(p.P281L)

4

32

m

c.580_581delCT

1083

13

5316

63

51 (3)

0,6

(p.L194Efs*5)

3060

2256

c. 782G>A

(p.R261Q)

5

32

f

c.473G>A

1395

19

5045

69

45 (3)

0,6

(p.R158Q)

2700

c.473G>A

2345

(p.R158Q)

6

26

f

c.1222C>T

1149

18

1378

21

0 (0)

0,0

(p.R408W)

0

c.1066-3C>T

1378

(p.?)

7

28

f

c.782G>A

1090

13

8329

97

71 (3)

0,8

(p.R261Q)

4757

c.1222C>T

3572

(p.R408W)

8

44

f

c.60+5G>T

1556

26

4084

69

31 (3)

0,5

(p.?)

1266

c.727C>T

2818

(p.R243*)

  1. * Phenylalanine intake (mg) during study visit calculated on basis of dietary protocols.
  2. # Tyrosine intake (mg) during study visit calculated on basis of dietary protocols specified as total intake, tyrosine intake from food and tyrosine intake from amino acid supplements.
  3. ** Intake of amino acid supplements (g protein) during study visit.
  4. ## Distribution of amino acids supplements during study visit in number of single doses (SD).
  5. m = male; f = female.