Relation between nuclear envelope and nuclear lamina in nuclear assemblyin vitro |
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Authors: | Shutao Cai Zhonghe Zhai |
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Affiliation: | 1. Life Sciences College of Peking University, 100871, Beijing, China
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Abstract: | Xenopus laevis egg extracts cell-free nuclear assembly system was used as an experimental model to study the process of nuclear lamina assembly in nuclear reconstitutionin vitro. The experimental results showed that lamin was involved in the nuclear assemblyin vitro. The assembly of nuclear lamina was preceded by the assembly of nuclear matrix, and probably, inner nuclear matrix assembly provided the basis for nuclear lamina assembly. Inhibition of normal assembly of nuclear Iknina, by preincubating egg extracts cell-free system with anti-lamin antibodies, resulted in abnormal assembly of nuclear envelope, suggesting that nuclear envelope assembly is closely associated with nuclear lamina assembly. |
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