منابع مشابه
Studies in Protein Metabolism
There is no doubt that animals can synthesize certain amino acids, the ultimate source of the nitrogen being that of the food protein. This process probably occurs under normal conditions, as the average composition of food proteins is never the same as that of the body proteins into which they have to be converted. According to the generally accepted theory, amino acid synthesis in the animal ...
متن کاملFatty acid metabolism studies of human epidermal cell cultures.
Adult human epidermal keratinocytes grow rapidly in medium that is essential fatty acid (EFA)-deficient. In this medium they exhibit decreased amounts of the fatty acids, 18:2, 20:3, 20:4, and contain increased amounts of monounsaturated fatty acids. [14C]- and [3H]acetate and radiolabeled fatty acids, 16:0, 18:2, and 20:4 were used to study the fatty acid metabolism of these cells. Label from ...
متن کاملPlasma Protein Metabolism—electrophoretic Studies
The findings on electrophoretic analysis of plasma proteins during many weeks of low protein feeding in dogs accord in general with those of chemical analysis as concerns the alterations in plasma albumin and globulin concentrations. Long continued restriction of dietary protein results in decreased albumin levels while plasma globulin concentrations remain essentially normal. The degree of dep...
متن کاملThe Use of Radioactive Lysine in Studies of Protein Metabolism
Racemic lysine labeled with C(14) in the epsilon carbon position was fed to dogs. The distribution of C(14) in blood and tissue fractions is recorded. In normal dogs sacrificed at 24 hours, approximately one-third of the C(14) was found in the urine, one-third in expired air, and one-third in the body, mostly in protein, predomantly as lysine residues. The rate of C(14) excretion as CO(2), hour...
متن کاملpostnatal studies of bats (pipistrellus kuhlii and miniopterus schreibersii) & histomorphology and histochemistry studies of organs and diseases of (neurergus microspilotus and n. kaiseri)
1. to determine whether difference in birth body mass influenced growth performance in pipistrellus kuhlii we studied a total of 12 captive-born neonates. bats were assigned to two body mass groups: light birth body mass (lbw: 0.89 ± 0.05, n=8) and heavy birth body mass (hbw: 1.35 ± 0.08, n=4). heavier body mass at birth was associated with rapid postnatal growth (body mass and forearm length) ...
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ژورنال
عنوان ژورنال: Journal of Investigative Dermatology
سال: 1965
ISSN: 0022-202X
DOI: 10.1038/jid.1965.28