SUBJECT INDEX 
Lathyrus factor 
propionitrile) 
Lathyrus odoratus, y-glutamyl-f-aminopropio- 
nitrile, 56 
— tingitanus, lathyrine, 44, 45 
Leakage of amino acids, 706 
—, — from erythrocytes, 243, 246 
= Helta cells, 699 
—, — Yoshida sarcoma, 316 
—, y-aminobutyric and glutamic acids from 
brain, 494, 490 
—, nucleotides, 581 
—, yeast, of synthesized amino acids, 641 
Lepidoptera, amino acids, I115—118, 123 
Leptinotarsa decemlineata, amino acids, 
119 
Lethal factors in Drosophila, effect on pool, 129 
130 
Leucine, comparative incorporation in lipid 
and protein, 744 
—, dietary requirement, 519, 520 
—, distribution in brain, 555 
—, effect on plasma amino acids in liver per- 
fusion, 714-716 
—, excretion in maple-syrup urine disease, 213, 
255 
—, incorporation in Dyosophila, 148-150, 152, 
153 
— isoleucine, dietary balance, 519, 520 
—, —, increase, in plasma during liver per- 
fusion, 713-719 
—, oxidation by liver and non-hepatic tissues, 
710, 711 
—, —, Walker tumor cells, 731 
—, transport in brain, 556-558 
Leuconostoc mesenteroides, amino acids, 94 
—, 18O, amino acid exchange, 591 
Leukemia, acute, effect on amino acids in 
blood fractions, 388, 390, 394 
—, — lymphoblastic, effect on amino acids in 
lymphoblasts, 389-390, 392, 394 
—, —myeloblastic, amino acids in myeloblasts, 
SL) 
—, — —, effect on amino acids in leukocytes, 
399, 394 
—, chronic granulocytic, amino acids in blood 
fraction, after food ingestion, 366, 369-372 
(see y-Glutamyl-f-amino- 
Tie 7f, 
797 
Leukemia, chronic lymphatic, 
tinuation ) 
—— —-— —— chlorambucil on 
blood fractions, 400-403 
—,—, — See Ee on amino acids in 
blood fractions, 417—42 
—, — nitrogen re hier on amino acids in 
Pisieda fractions, 397-399 
—, —, — triethylenemelamine on amino acids 
in blood fractions, 408, 410 
—, —, metabolism of glutamine by erythro- 
cytes, 359-3601 
effect of (con- 
amino acids in 

—, —, plasma, amino acids, 232 
—, —, urine, amino acids, 225, 226 
—, dog, effect on amino acids in blood fractions, 
379, 381 
—, excretion of /-aminoisobutyric acid, 276 
—, monocytic, effect on amino acids in leuko- 
cytes, 390, 392, 394 
Leukocytes count, effect dimethylmyleran on, 
in chronic granulocytic leukemia, 422 
—, dog, effect leukemia on amino acids, 379, 381 
—, human, abnormal in chronic granulocytic 
leukemia, 385 
—, —, amino acids, 242-244, 247, 248, 356 
—, —, —, from bone marrow, 374, 377, 389 
—, —, —,in chronic granulocytic leukemia, 362, 
363, 374, 376-378, ace 
389, 391, 394 
—, —, — after food ingestion, 366, 371 
—, —, —, in monocytic leukemia, 390, 394 
—, —, —, in polycythemia, 376 
—, —, —, after water ingestion, 363-368 
—, —, characteristic patterns, 395 
—, —, effect acute lymphoblastic leukemia on 
amino acids, 390, 392, 394 
—, —, — chlorambucil on amino acids, in chro- 
nic lymphatic leukemia, 400-403 
—, —, — dimethylmyleran on amino acids, 
416-418, 420, 422—425 
—, —, — glutamine on amino acids, in chronic 
granulocytic leukemia, 444 
—, —, — glutamine on amino acids, in chronic 
capa: leukemia, 441, 442, 444 



—, —, —, after water ingestion, 363-368 
—, —, blood cell pools, 363 
—, —, effect on amino acids in blood plasma, 
373-375, 378, 380, 385 
—, —, — of dimethylmyleran on amino acids 
in blood fractions, 413-417, 422-429 
—, —, — erythrocytes, 378, 380 
—, —, — leukocytes, 374, 376, 377 
—, —, — of myleran on amino acids in blood 
fractions, 413-416, 425-429 
—, —, — platelets, 374, 375 
—, —, — urine, 380-384 
—, chronic lymphatic, amino acid excretion, 
250, 251 
—, —, effect on amino acids of blood fractions, 
388-395 
—, —, — amino acid pools, 394 
nitrogen mustard on amino acids, 
in chronic lymphatic leukemia, 397—399 
— , glutamine, after ingestion, in chronic 
ce tee leukemia, 444-446 
—, —, — metabolism in chronic 
leukemia, 359, 360 
—, —, y-glutamylcysteine, 408, 410 
—, —, isolation, 352, 353 
—, —, preparation for analysis, 224, 225 
—, neutrophilic polymorphonuclear, amino 
acids, 374, 376, 379, 380, 382, 385 
Levulosemia, 257 
Light, effect on amides of plant, 669 
— wavelength, effect on amino acid synthesis, 
671 
Ligyda occidentalis, amino acids, 180, 182 
Liliaceae, amino acids, 27, 30, 43 
Lily of the valley (see Convallaria majelis) 
lymphatic 
