Biomedical subjects
Publications and source records attributed to O N Makurina.
The literary data on the problem of the membrane biogenesis are generalized. The mechanisms of formation, possible ways of metabolism of biomembrane structure in cells and the ways of their degradation are considered. A conclusion has been made on the existence in the cells several types of movement as for the separate components and membrane fragments as well.
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Studies have been made on the peripheral (extracted by 1 M KCl, pH 9.0) and integral (successively extracted by a 1% solution of Triton X-100 and 0.3% solution of sodium dodecyl sulfate) microsomal proteins from the brain of chick embryos beginning from the 8th day of incubation, chicks and adult hens up to 1 year 4 months. Investigation was made of the quantity, fractional composition (by means of polyacrylamide gel electrophoresis) and the rate of incorporation of 14C-lysine. It was found that the content of these membrane proteins and their composition depend on the age of animals. Integral proteins as compared with peripheral ones exhibit higher rate of incorporation of the labeled amino acid, this rate increasing with the age of animals.