Lamin A/C (UniProt: P48679; also known as LMNA) is encoded by the Lmna (also known as Lmn1) gene in rat. Lamins are components of the nuclear lamina that provide a framework for the nuclear envelope and may also interact with chromatin. Lamin A and C are present in equal amounts in the lamina of mammals. Plays an important role in nuclear assembly, chromatin organization, nuclear membrane and telomere dynamics. Lamin A is initially synthesized as prelamin A that undergoes several modifications in the carboxyl terminal region that allow incorporation of prelamin A into the nuclear envelope and its subsequent processing into the mature lamin A. Cleavage of 15 residues (aa 647-662) by ZMPSTE24/FACE1 generates the final protein product. Unlike mature lamin A, prelamin A accumulates as discrete and localized foci at the nuclear periphery. Prelamin-A/C can accelerate smooth muscle cell senescence. It can act to disrupt mitosis and induce DNA damage in vascular smooth muscle cells (VSMCs), leading to mitotic failure, genomic instability, and premature senescence. Mutations in LMNA gene are known to cause Emery-Dreifuss muscular dystrophy that is characterized by weakness and atrophy of muscle without involvement of the nervous system. Some mutations have also been linked to familial type of lipodystrophy characterized by the loss of subcutaneous adipose tissue in the lower parts of the body. (Ref.: Casasola, A., et al. (2016). Nucleus 7(1); 84-102).，官网链接：https://www.sigmaaldrich.cn/product/mm/mabt545 默克 科研、开发、生产。 作为生命科学行业的全球领先供应商，我们致力于为科研、生物技术开发和生产，以及制药药物疗法开发和生产提供各类解决方案和服务。

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