Influence of temperature, cholesterol, dipalmitoyllecithin and Ca on the rate of muscle cell fusion |
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Authors: | J van der Bosch Chr Schudt D Pette |
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Abstract: | The rate of muscle cell fusion increases between 28 °C and 40 °C by a factor of 15 to 20. The formal activation energy of the fusion process changes abruptly at about 35 °C. This change is discussed in terms of a phase transition of the membrane lipids at 35 °C. In the presence of cholesterol or dipalmitoyllecithin the fusion rate decreases markedly. Increasing the temperature reverses the effects of cholesterol and dipalmitoyllecithin. These results are discussed in terms of interactions between membrane lipids. |
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