The perinuclear actin cap in health and disease
نویسندگان
چکیده
منابع مشابه
A perinuclear actin cap regulates nuclear shape.
Defects in nuclear morphology often correlate with the onset of disease, including cancer, progeria, cardiomyopathy, and muscular dystrophy. However, the mechanism by which a cell controls its nuclear shape is unknown. Here, we use adhesive micropatterned surfaces to control the overall shape of fibroblasts and find that the shape of the nucleus is tightly regulated by the underlying cell adhes...
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The actin filament cytoskeleton mediates cell motility and adhesion in somatic cells. However, whether the function and organization of the actin network are fundamentally different in pluripotent stem cells is unknown. Here we show that while conventional actin stress fibers at the basal surface of cells are present before and after onset of differentiation of mouse (mESCs) and human embryonic...
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15 صفحه اولTight coupling between nucleus and cell migration through the perinuclear actin cap.
Although eukaryotic cells are known to alternate between 'advancing' episodes of fast and persistent movement and 'hesitation' episodes of low speed and low persistence, the molecular mechanism that controls the dynamic changes in morphology, speed and persistence of eukaryotic migratory cells remains unclear. Here, we show that the movement of the interphase nucleus during random cell migratio...
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The present studies investigated acute disruption of microvillar actin cytoskeleton and actin association with other cytoskeletal components in ATP-depleted rabbit proximal tubular cells. Video-enhanced differential-interference contrast microscopy and confocal microscopy were used to follow the fate of F-actin during the disruption of microvilli. Within individual cells, all microvilli collaps...
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ژورنال
عنوان ژورنال: Nucleus
سال: 2010
ISSN: 1949-1034,1949-1042
DOI: 10.4161/nucl.1.4.12331