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  • Title: [The effect of hypocrellin A on the lipid bilayer of erythrocyte membrane].
    Author: Du J, Cheng L.
    Journal: Shi Yan Sheng Wu Xue Bao; 1991 Jun; 24(2):153-8. PubMed ID: 1867046.
    Abstract:
    In this paper, using human erythrocyte membrane, the effect of Hypocrellin A on the lipid bilayer of the membrane was studied by measuring the change of the fluidity of the membrane, the energy transfer of the fluorescent probes, the shift of the fluorescent emission peaks, and the split of band-a of Hypocrellin A. The results showed that in the presence of HA, the fluidity of erythrocyte membrane was increased, the fluorescence intensity of the probes was decreased, and the fluorescence peaks shifted blue. These phenomena took place more seriously with the increment of HA concentration. Meanwhile, the band-a of HA excitation spectra was splitted. It was suggested from all of the results that HA could significantly perturb the lipid bilayer of erythrocyte membrane, there were interactions existing between the Hypocrellin A and the membrane. The HA was mainly located in the middle range of the membrane lipid bilayer when in high concentration (mainly to the 12-16 positions of the long chain fatty acid).
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