. The Biochemical journal, 1917. Biochemistry. TUMOUR AND NORMAL TISSUE GROWTH From these results it is now known tliat a reduction in the level at which protein is furnislied in the diet of a young animal will sooner or later induce a more or less complete inhibition of the growth processes of that animal. This will occur either when tin' nitrof^en intake falls boh)w the level required Days 14 21 28 35 42 Hcniarks Weight ..f tuulour I!- W'ciRht of juAl tujnoiu H ChauBf in weichl iif X CliAjige weight .if bo.( tumoiu- d 6 <S d 9 9 . « t f f 9 • • 0 . • Tumour solid and rHfudlv gjowiii
. The Biochemical journal, 1917. Biochemistry. TUMOUR AND NORMAL TISSUE GROWTH From these results it is now known tliat a reduction in the level at which protein is furnislied in the diet of a young animal will sooner or later induce a more or less complete inhibition of the growth processes of that animal. This will occur either when tin' nitrof^en intake falls boh)w the level required Days 14 21 28 35 42 Hcniarks Weight ..f tuulour I!- W'ciRht of juAl tujnoiu H ChauBf in weichl iif X CliAjige weight .if bo.( tumoiu- d 6 <S d 9 9 . « t f f 9 • • 0 . • Tumour solid and rHfudlv gjowiiiy Sli'.'ht criitral necrosis of luiiioiir Tumour had and undenjone central rifrrosi5 Tuniour rciropvssed 25 27 15 19 22 126 140 132 120 130 152 f30 + 37 + 39 + 24 + 36 + 44 Avt-ni^e 216 - + 35 + 162 2801. Chart 1. Tuniour development, and growth curves of normal and tumour-bearing rats upon a normal diet of bread, oats, corn, greenstuffs and meat. Tumour 5/113a. to supply the demands of the organism, or when the lowered protein intake brings about a deficiency in the supply of one or more amino-acids which are indispensable to the animal. Examples of how this may occur have been given in the introduction to this paper. A large number of proteins, par-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Biochemical Society (Great Britain); University of Liverpool. Biochemical Dept. London [etc. ] Cambridge University Press
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