|
Amino acid | Status |
|
Leucine | Decreased in CSF [21] Decreased in plasma [8, 16, 17, 21] |
Lysine | Increased in plasma [8, 10, 16] No difference in plasma [17] |
Tryptophan | Decreased in plasma [16, 17] |
Taurine | Decreased in plasma [16] Increased in plasma [15, 22] |
Homocysteine | Increased in serum [16, 23] Increased total homocysteine (tHcy) in serum [24] Decreased plasma levels of homocysteine [25] Increased level in urine [26] |
Citrulline | Decreased in plasma [17] |
Alanine | No difference in plasma [17] Increased in plasma [10] |
Glycine | No difference in plasma [17] |
Valine | Decreased in plasma [8, 16] No difference in plasma [17] |
Aspartic acid | Decreased platelet levels [27] |
GABA | Decreased platelet levels [27] |
Arginine | No difference in plasma [17] |
Isoleucine | Decreased [21] |
Threonine | Decreased in plasma [17] |
Serine | Decreased in plasma [17] |
Proline | No difference in plasma [17] |
Asparagine | Decreased in plasma [15, 17] Increased in plasma [10] |
Aspartic acid | No difference in plasma [17] |
Methionine | Increased in plasma [8] Decreased [21] |
Glycine | No difference in serum level [19] |
D-serine | No difference in serum level [19] |
L-serine | No difference in serum level [19] |
Glutamic acid | Increased in plasma [10, 16, 17] Decreased platelet levels [27] |
Glutamate | Increased level in plasma [9, 10, 15, 19, 28] Increased in some regions of brain [20] |
Aspartate | Increased in plasma [22] |
Phenylalanine | Decreased in plasma [8, 17] Increased in plasma [10] |
Glutamine | Decreased in plasma [9, 10, 15ā17] No difference in serum level [19] Decreased platelet levels [27] |
Lysine | Increased in plasma [10] |
Tyrosine | Decreased in plasma [16, 17] Increased in plasma [10] |
|