نتایج جستجو برای: Lamins
تعداد نتایج: 1470 فیلتر نتایج به سال:
We previously showed that targeting of protein phosphatase 1 (PP1) to the nuclear envelope (NE) by the A-kinase anchoring protein, AKAP149, correlates with nuclear assembly of B-type lamins in vitro. We demonstrate here that failure of AKAP149-mediated assembly of B-type lamins into the nuclear lamina at the end of mitosis is followed by apoptosis, and induces expression of the gene encoding A-...
Changes in the expression and distribution of nuclear lamins were investigated during C2C12 myoblast differentiation. The expression of most lamins was unchanged during myogenesis. By contrast, lamin-B2 expression increased and LAP2alpha expression decreased twofold. These changes were correlated with reduced solubility and redistribution of A-type lamins. When C2C12 myoblasts were transfected ...
Lamins are intermediate filaments that form a complex meshwork at the inner nuclear membrane. Mammalian cells express two types of Lamins, Lamins A/C and Lamins B, encoded by three different genes, LMNA, LMNB1, and LMNB2. Mutations in the LMNA gene are associated with a group of phenotypically diverse diseases referred to as laminopathies. Lamins interact with a large number of binding partners...
Nuclear intermediate filament proteins, called lamins, form a meshwork that lines the inner surface of the nuclear envelope. Lamins contain three domains: an N-terminal head, a central rod and a C-terminal tail domain possessing an Ig-fold structural motif. Lamins are classified as either A- or B-type based on structure and expression pattern. The Drosophila genome possesses two genes encoding ...
We previously showed that targeting of protein phosphatase 1 (PP1) to the nuclear envelope (NE) by the A-kinase anchoring protein, AKAP149, correlates with nuclear assembly of B-type lamins in vitro. We demonstrate here that failure of AKAP149-mediated assembly of B-type lamins into the nuclear lamina at the end of mitosis is followed by apoptosis, and induces expression of the gene encoding A-...
The nuclear lamina is an important determinant of nuclear architecture. Mutations in A-type but not B-type lamins cause a range of human genetic disorders, including muscular dystrophy. Dominant mutations in nuclear lamin proteins have been shown to disrupt a preformed lamina structure in Xenopus egg extracts. Here, a series of deletion mutations in lamins A and B1 were evaluated for their abil...
Nuclear intermediate filaments formed by A- and B-type lamins are central components of the nucleoskeleton and are required for the architecture and integrity of the nucleus. There is growing evidence that lamins are also involved in regulatory pathways controlling cell proliferation and differentiation. Lamins affect the activity of several transcription factors, such as retinoblastoma protein...
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