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

Table 4.

 Nitrogen kinetics in control subjects receiving 0.4 g protein/kg per day

Subject

Urea flux, µmol/kg per h

Glutamine flux, µmol/kg per h

15

N-urea/15N-glutamine

A1

162

326

0.395

A2

96

512

0.525

A3

89

387

0.440

A4

151

488

0.423

A5

128

315

0.633

A6

179

321

0.418

A7

141

426

0.451

A8

133

523

0.416

A9

127

345

0.384

A10

136

427

0.390

A11

107

327

0.382

A12

128

358

0.400

P1

123

346

0.412

P2

124

339

0.476

P3

150

388

0.297

P4

128

396

0.332

P5

131

339

0.393

P6

110

288

0.324

Adult mean

132

396

0.438

SD

25

74

0.069

Pediatric mean

128

349

0.373

SD

12

36

0.062

Grand mean

131

380

0.416

SD

21

63

0.065

A, adult control subject; P, pediatric control subject.