seed protein quality is an important topic in the production of soybean. the quality of soybean proteins is limited by anti-nutrient proteins and low levels of essential sulfur amino acids. in this study, protein content and solubility of six cultivars were evaluated and seed storage proteins were analyzed using sds-page and scanning densitometry. the results showed that seed storage protein ba...

Iron-sulfur (Fe-S) clusters are essential cofactors for proteins that participate in fundamental cellular processes including metabolism, DNA replication and repair, transcriptional regulation, and the mitochondrial electron transport chain (ETC). ISCA2 plays a role in the biogenesis of Fe-S clusters and a recent report described subjects displaying infantile-onset leukodystrophy due to bi-alle...

In 1993, the candidate genes for Menkes disease and Wilson disease were cloned, and remarkable progress has been made in the study of copper metabolism during the past 10 years. The proteins induced by the ATP7A and ATP7B genes are highly homologous. Both are P-type ATP-related coppertransporter membrane proteins, and control cellular copper transport. Recently, three chaperones supplying coppe...

Copper is an essential element for all living organisms, because it has key activities in the metabolic enzymes such as cytochrome oxidase and superoxide dismutase, and in the proteins essential for iron homeostasis such as ceruloplasmin and hephaestin. In humans, the daily copper requirement is low, therefore copper deficiency is not so frequently a condition. However, we should be aware that ...

The insulin-like growth factor (IGF) system composed of two ligands, their receptors and regulatory proteins (acid-labile subunit and IGF-binding proteins) plays a central role in the regulation of growth and development in mammals. In addition to its key role in the stimulation of cellular proliferation and growth, IGF-I has important effects on carbohydrate, protein and bone metabolism. The m...

Complement is implicated in the pathogenesis of systemic lupus erythematosus (SLE) in several ways and may act as both friend and foe. Homozygous deficiency of any of the proteins of the classical pathway is causally associated with susceptibility to the development of SLE, especially deficiency of the earliest proteins of the activation pathway. However, complement is also implicated in the ef...

Since experimental Se deficiency results in a significant increase in plasma cholesterol concentration the present investigation was undertaken to assess further the influence of this deficiency on the expression of proteins involved in hepatic lipid metabolism. Se deficiency was induced by feeding weanling male Wistar rats on a deficient diet for 6 weeks. Hypercholesterolaemia associated with ...

I . Studies were made of iron absorption in eighty-five infants who were suffering from protein-calorie deficiency (kwashiorkor and marasmus) and in eight infants who were suffering from Fe-deficiency anaemia : twenty-one healthy infants were used as control subjects. Factors affecting absorption concentration of serum total protein and its fractions; serum Fe; transferrin (as indicated by tota...