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Table 2 Free amino acid uptake and release during HEK293SF cell growth after infection.

From: Metabolic and Kinetic analyses of influenza production in perfusion HEK293 cell culture

  

Gln

Asp

Glu

Ser

Asn

Gly

His

Thr

Arg

Ala

Pro

Cys

Val

Met

Ile

Leu

Lys

Phe

Free amino acid level before cell infection, mM

Batch

2.21

1.10

1.62

5.84

7.95

0.66

0.98

2.87

1.78

1.01

4.36

0.43

2.50

0.80

2.31

3.57

2.66

1.14

 

Perfusion

1.77

0.87

1.48

2.80

7.06

0.73

0.87

2.17

1.32

1.28

3.70

0.02

2.04

0.67

1.91

3.11

2.17

0.96

Specific uptake or release of free amino acids, μmol.10-6 cell

Batch

0.09

0.00

-0.03

0.01

-0.06

-0.03

0.01

-0.05

0.01

-0.09

0.05

-0.04

0.03

0.01

0.01

-0.01

-0.03

-0.01

 

Perfusion

0.12

0.02

-0.01

0.08

0.00

-0.06

0.01

0.03

0.04

-0.08

0.00

0.02

0.03

0.01

0.05

0.09

0.06

0.01

  1. Values for specific uptake and release were calculated between infection time and the start of cell death (24 h post-infection). Positive values represent amino acid uptake, while negative ones represent their release.