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  • Title: Localized and transient changes in plasma membrane fluidity during in vitro myoblast fusion: an 1H-NMR study.
    Author: Santini MT, Guidoni L, Viti V, Indovina PL.
    Journal: Physiol Chem Phys Med NMR; 1992; 24(2):89-96. PubMed ID: 1508993.
    Abstract:
    High resolution proton NMR was used to study the cell surface molecular events which take place during in vitro myoblast differentiation and fusion. The CH3 and (CH2)n spectral signals were followed throughout in vitro myogenic development. The results show that although both the T1 and T2 relaxation times of the CH3 and (CH2)n groups are sensitive to the fusion process, T1 is the most sensitive. Both T1 of CH3 and (CH2)n increased before fusion indicating a higher degree of molecular motion and then returned to their original values. These results demonstrate how mobile lipid domains observed with proton NMR can be used to study the changes taking place during myoblast differentiation, particularly myoblast membrane fusion.
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