Supplementary material for Lee et al., Proc. Natl. Acad. Sci. USA, 10.1073/pnas.140082197

Table 7.

Nitrogen kinetics in patients with urea cycle disorders

Subject

Diagnosis

Urea flux, µmol/kg per h

Glutamine flux, µmol/kg per h

15

N-urea/15N-glutamine

Null activity patients

2001

ASSD

45

526

0

2002

ASSD

87

282

0.004

2003

ASSD

93

353

0.02

2004

ASSD

82

581

0

1101

OTCM

92

479

0

3001

ASLD

84

493

0

Mean

 

82

456

0.003

SD

 

17

103

0.007

Partial OTC Males

1105

OTCM

49

437

0.151

1103

OTCM

151

464

0.125

1104

OTCM

115

398

0.229

1102

OTCM

74

520

0.146

Mean

 

97

454

0.16

SD

 

45

51

0.04

ASSD, citrullinemia; OTCM, OTC-deficient male; ASLD, argininosuccinic aciduria.