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  • Title: [The Effect of NT-1505 on a Membrane Structure of Endoplasmic Reticulum in vivo].
    Author: Gerasimov NY, Nevrova OV, Kasparov VV, Kovarskii AL, Goloshchapov AN, Burlakova EB.
    Journal: Biofizika; 2015; 60(5):931-5. PubMed ID: 26591604.
    Abstract:
    The effect of neuroprotector NT-1505 on endoplasmic reticulum membranes was studied. It was shown that the dynamics of changes in lipid and near-protein areas microviscosity of endoplasmic reticulum membranes at drug administration is of an antibate nature. This points to the absence of pathological disturbances in the membrane structure. Membrane microviscosity was measured by electron paramagnetic resonance spin labeling of 2,2,6,6-tetramethyl-4-capryloyl-oxylpiperidine-1-oxyl (lipid probe) and 5,6-benzo-2,2,6,6-tetramethyl-1,2,3,4-tetrahydro-γ-carboline-3-oxyl (near protein probe). To obtain more complete information about changes in membrane structure under the action of neuroprotector NT-1505 the temperature dependence of rotational diffusion correlation time was measured in the temperature range of 283-317 K (10-44 degrees C). The two structural transitions were characterized for both areas of .membranes of control group in temperature intervals 16-20 degrees C and 32-38 degrees C which were still present after NT-1505 introduction. Therefore, NT-1505 has no significant effect on membrane structure of the endoplasmic reticulum.
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