L-Theanine Administration Modulates the Absorption of Dietary Nutrients and Expression of Transporters and Receptors in the Intestinal Mucosa of Rats
Table 3
Effects of L-theanine administration on the transcript levels of AA transporters in rat intestine.
Item
Treatments (mg/kg BWd)
value
0
50
200
400
Linear
Quadratic
Jejunum
SLC1a1
1.00
1.71 ± 0.43
7.70 ± 0.50
1.12 ± 0.55
NS
<0.001
SLC1a2
1.00
0.34 ± 0.06
0.63 ± 0.07
0.23 ± 0.07
<0.001
NS
SLC1a5
1.00
1.77 ± 0.43
1.61 ± 0.38
3.49 ± 0.41
<0.001
NS
SLC16a10
1.00
7.17 ± 0.84
5.25 ± 0.79
3.83 ± 0.68
NS
<0.001
SLC7a1
1.00
8.40 ± 0.70
3.93 ± 0.90
8.88 ± 1.28
0.0017
NS
SLC7a9
1.00
6.40 ± 0.60
10.9 ± 0.66
1.70 ± 0.60
NS
<0.001
Ileum
SLC1a1
1.00
4.89 ± 0.35
5.11 ± 0.39
1.25 ± 0.39
NS
<0.001
SLC1a2
1.00
1.47 ± 0.29
1.86 ± 0.24
1.02 ± 0.44
NS
0.01
SLC1a5
1.00
1.45 ± 0.35
0.94 ± 0.37
4.45 ± 0.45
<0.001
<0.001
SLC16a10
1.00
8.27 ± 0.27
13.1 ± 0.63
1.52 ± 0.77
NS
<0.001
SLC7a1
1.00
1.71 ± 0.34
1.18 ± 0.36
4.62 ± 0.45
<0.001
<0.001
SLC7a9
1.00
1.93 ± 0.42
7.21 ± 0.52
2.09 ± 0.42
<0.001
<0.001
BW: body weight, SLC1a1: solute carrier family 1, member 1, SLC1a2: solute carrier family 1, member 2, SLC1a5: solute carrier family 1, member 5, SLC16a10: solute carrier family 16, member 10, SLC7a1: solute carrier family 7, member 1, SLC7a9: solute carrier family 7, member 9, and NS: not significant. Means within a row not bearing a common superscript letter differ (). Data were reported as mean ± SE.