Summary
During Sendai virus-mediated fusion of mouse ascites cells, there is a loss of intracellular metabolites; at the same time accumulation from the medium is inhibited. This failure to maintain selective permeability does not occur at 0°C; it is unaffected by cytochalasin B, which inhibits fusion. It therefore represents a discrete, temperature-dependent event and may result from a weakening in membrane architecture necessary to achieve fusion.
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Pasternak, C.A., Micklem, K.J. Permeability changes during cell fusion. J. Membrain Biol. 14, 293–303 (1973). https://doi.org/10.1007/BF01868082
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DOI: https://doi.org/10.1007/BF01868082