A skeletal muscle cell line isolated from a mouse teratocarcinoma undergoes apparently normal terminal differentiation in vitro |
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Authors: | H Jakob M E Buckingham A Cohen L Dupont M Fiszman F Jacob |
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Institution: | Department of Microbial Genetics, Osaka University, Japan. |
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Abstract: | The effect of temperature on testicular DNA synthesis in mice was studied in vitro. By using cultures of cryptorchid testis, DNA synthesis of differentiated germ cells, such as intermediate and type B spermatogonia and resting primary spermatocytes, was shown to be temperature-sensitive, while that of undifferentiated type A spermatogonia was not. DNA synthesis of non-germ cells was not temperature-sensitive. This temperature sensitivity of germ cells in DNA synthesis may be one cause of the thermal inhibition of germ cell differentiation. |
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