Results 251 to 260 of about 14,163,262 (294)

Imbalance of non-essential amino acids and cell growth

Experimental Cell Research, 1963
Abstract The effect of amino acid imbalances on cell culture growth has been studied. With an essential amino acid, tryptophane, the l -isomer is more inhibitory for HeLa cell growth. Serine, a non-essential amino acid, was more inhibitory in the d -configuration than in the l for HeLa cells, but the isomers were equally effective for ascites H ...
N H, BEST, S, MILLS, K K, LEACH, N N, DURHAM, F R, LEACH   +4 more
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Influence of essential and non‐essential amino acids on calcium oxalate crystallization

Crystal Research and Technology, 2009
AbstractThe investigation on the mechanism of nucleation and growth of crystals at organic‐inorganic interfaces is crucial for understanding biological and physiological calcification processes such as the formation of urinary stones. The effects of five different amino acids on the crystallization of calcium oxalate have been investigated at pH 4.5 ...
KIRAN YILDIRIM, BERÇEM, SAYAN, PERVİZ, SARGUT, SİBEL   +2 more
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Dietary requirements of “nutritionally non-essential amino acids” by animals and humans

Amino Acids, 2012
Amino acids are necessary for the survival, growth, development, reproduction and health of all organisms. They were traditionally classified as nutritionally essential or non-essential for mammals, birds and fish based on nitrogen balance or growth. It was assumed that all "non-essential amino acids (NEAA)" were synthesized sufficiently in the body to
Guoyao, Wu, Zhenlong, Wu, Zhaolai, Dai, Ying, Yang, Weiwei, Wang, Chuang, Liu, Bin, Wang, Junjun, Wang, Yulong, Yin   +8 more
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Non-essential amino acid sources in crystalline amino acid diets for trout (Oncorhynchus mykiss)

Journal of Applied Ichthyology, 1995
A study was conducted over a 84-day period to evaluate glycine, L-glutamic acid and L-glutamine as sources of non-essential amino acids (NEAA) in dietary ‘protein’ consisting of crystalline amino acids only. The study was performed with a total of 1200 rainbow trout fingerlings (Oncorhynchus mykiss) of 48 g mean body mass. The addition of non-essential
A. Schuhmacher, M. Münch, J. M. Gropp
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Essentiality of non-essential amino acids for tumour cells and tumorigenesis

Nature Metabolism, 2019
In this issue, Diehl et al. report that exogenous serine is essential for the cellular redox state and cancer nucleotide production, despite the ability of cancer cells to synthesize serine de novo in vitro.
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THE NUTRITIVE EFFECT IN MAN OF NON‐ESSENTIAL AMINO ACIDS INFUSED INTRAVENOUSLY (TOGETHER WITH THE ESSENTIAL ONES)

Acta Anaesthesiologica Scandinavica, 1970
SUMMARYSolutions containing one of the amino acids 1‐alanine, 1‐arginine, glycine, 1‐histidine, 1‐proline or 1‐glutamic acid and a basic mixture of the essential 1‐amino acids and 1‐arginine and 1‐histidine were infused intravenously to healthy volunteers on a nitrogen‐poor diet. The nitrogen balance and die excretion of urea, ammonia, a‐amino nitrogen
E, Vinnars, P, Fürst, B, Hallgren, I L, Hermansson, B, Josephson   +4 more
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Sensing of the non-essential amino acid tyrosine governs the response to protein restriction in Drosophila

Nature Metabolism, 2022
The intake of dietary protein regulates growth, metabolism, fecundity and lifespan across various species, which makes amino acid (AA)-sensing vital for adaptation to the nutritional environment. The general control nonderepressible 2 (GCN2)-activating transcription factor 4 (ATF4) pathway and the mechanistic target of rapamycin complex 1 (mTORC1 ...
Hina Kosakamoto, Naoki Okamoto, Hide Aikawa, Yuki Sugiura, Makoto Suematsu, Ryusuke Niwa, Masayuki Miura, Fumiaki Obata   +7 more
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The influx of amino acids into the brain of the rat in vivo : the essential compared with some non-essential amino acids

Proceedings of the Royal Society of London. Series B. Biological Sciences, 1973
Abstract The cerebral influx rates of fifteen amino acids were measured directly in living rats by means of a new technique which makes it possible to maintain a constant specific activity of a radioactively labelled amino acid in the bloodstream. A wide variation in the influx rates of the amino acids was found.
G, Baños, P M, Daniel, S R, Moorhouse, O E, Pratt   +3 more
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Non-essential amino acids and short-term food intake of rats

Nutrition Research, 1994
Abstract The objective of these studies was to evaluate the role of the six non-essential amino acids (NEAA) found in egg albumin, either in groups or individually on food intake of rats fed a 25% casein defined diet. Compared to control (water), 1.5g of a complete NEAA mixture given by gavage caused significant suppression in food intake by 70, 75 ...
Li, ETS, Ng, LT, Anderson, GH, Luo, S
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Effects of intramammary arterial infusion of non-essential amino acids and glucose in the lactating goat

Journal of Dairy Research, 1974
SummaryThree experiments were carried out on 2 lactating goats, in which mammary arterial plasma amino-acid concentrations were elevated by the infusion of a solution of non-essential amino acids into a carotid artery supplying a transplanted mammary gland. In a fourth experiment a solution of glucose was similarly infused.
T B, Mepham, J L, Linzell
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