Topic
Serum albumin
About: Serum albumin is a research topic. Over the lifetime, 16337 publications have been published within this topic receiving 516395 citations. The topic is also known as: blood albumin & ANALBA.
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TL;DR: The results clearly demonstrate that nominal and relative toxic potencies of organochlorine pesticides and chlorophenols determined in vitro are substantially influenced by effects of protein binding on availability.
112 citations
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TL;DR: The data suggest that breast milk provides better antioxidant power than does formula, and plasma TAC and vitamin C levels were significantly higher in the breast-fed group than in the formula- fed group.
112 citations
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TL;DR: New information is provided supporting albumin as an important biomarker for monitoring diabetic pathophysiology and reconfirms the influence of experimental conditions in which advanced glycation end-products are generated in tests designed to mimic the pathological conditions of diabetes.
112 citations
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TL;DR: Urea (7M) and heating (35 to 55 degrees C) caused a major increase in the viscosity of mucin and mucin-albumin mixtures, suggesting that rupture of hydrogen bonds, unfolding and partial denaturation of mucIn promotes greater intertangling (possibly hydrophobic interactions) between mucIn and albumin molecules.
Abstract: The interaction of serum albumin with a model epithelial mucin from pig stomach was explored by rotary viscometry. During 30 min of incubation of human serum albumin(20mg/ml) and pig gastric mucin (8mg/ml) in iso-osmotic buffers at 37 degrees C, the solution became markedly viscous. Viscosity enhancement was proportional to albumin concentration (2-40mg/ml), was most pronounced under conditions of low shear rate (less than 45S-1), and was considerably greater than the additive or multiplicative viscosity values calculated from albumin or mucin solutions measured separately. The viscous mucin-albumin complex was destroyed by high shear rates (greater than 90S-1), but slowly re-formed under zero shear conditions. Elevation of pH (7 to 9), ionic strength (0.1 to 1.0), and addition of disodium EDTA (5mM) did not cause marked or specific alterations in the viscosity of the mixture, suggesting that electrostatic interactions probably do not stabilize mucin-albumin complexes. Urea (7M) and heating (35 to 55 degrees C) caused a major increase in the viscosity of mucin and mucin-albumin mixtures, suggesting that rupture of hydrogen bonds, unfolding and partial denaturation of mucin promotes greater intertangling (possibly hydrophobic interactions) between mucin and albumin molecules. The implications of mucin-albumin interaction in diseases associated with mucus obstruction are briefly discussed.
112 citations
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TL;DR: The results suggest that long chain fatty acids can affect the growth of different microbial species through different metabolic channels and that, in order to study the mechanism of these metabolic and growth reactions, it is essential to use the fatty acids under conditions where they cannot manifest their toxic properties.
Abstract: Long chain fatty acids have been found to exhibit both inhibitory and stimulatory effects on the growth of tubercle bacilli and of a certain unidentified micrococcus culture. The toxicity of the fatty acids was much reduced or abolished by (a) esterification, even when the resulting product was a water-soluble ester, and (b) addition of crystalline serum albumin to the culture medium; other proteins tested were inactive in this respect. Marked growth stimulation of the microorganisms studied was obtained when certain long chain fatty acids were added to the culture medium in the form of their water-soluble esters, or in admixture with adequate amounts of serum albumin. Abundant growth of the micrococcus resulted from the addition of oleic, linoleic, linolenic, or arachidonic acid (0.0001 to 0.001 per cent) to a mineral medium containing glucose as sole source of carbon; in the case of this microbial species, none of the other substances tested could substitute for these unsaturated fatty acids. Enhancement of growth of tubercle bacilli was obtained by adding to the medium 0.001 to 0.01 per cent of a variety of fatty acids (saturated or unsaturated) even in the absence of glucose or of any other readily available carbon compound. These results suggest that long chain fatty acids can affect the growth of different microbial species through different metabolic channels and that, in order to study the mechanism of these metabolic and growth reactions, it is essential to use the fatty acids under conditions where they cannot manifest their toxic properties.
112 citations