Nucleus Deformation
Nucleus Deformation - Related Videos
01:19
Plastic Deformations
0 Views •
2024
Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their original...
01:14
Plastic Deformations
0 Views •
2024
It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...
09:47
A Microfluidic Technique to Probe Cell Deformability
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Cited by 20 •
2014
We demonstrate a microfluidics-based assay to measure the timescale for cells to transit through a sequence of micron-scale constrictions.
08:19
Tracking Morphogenetic Tissue Deformations in the Early Chick Embryo
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Cited by 11 •
2011
This article describes surface labeling and ex ovo tissue culture in the early chick embryo. Techniques amenable to time-lapse bright field, fluorescence, and optical coherence tomography imaging are presented. Tracking surface labels with high spatiotemporal resolution enables kinematic quantities such as morphogenetic strains (deformations) to be calculated in both two and three dimensions.
05:13
Co-culturing of Ventral Hippocampal and Nucleus Accumbens
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2025
This video demonstrates the process of preparing ventral hippocampal and nucleus accumbens tissues from mouse brains for co-culture. Neurons extend projections to form synaptic connections between the ventral hippocampal and nucleus accumbens tissues. This method allows studying neuronal interactions between these two brain regions, offering insights into cognition, behavior, and neurological disorders.
FAQs
Mechanical forces can reach the nucleus through the cytoskeleton and cell membrane. Once transmitted to the nuclear envelope, they encounter resistance from the nuclear lamina and chromatin. The balance between applied force and these structural elements influences whether the nucleus bends, stretches, or compresses, linking cell-level mechanics to nuclear shape changes.
The nuclear lamina and chromatin provide resistance that helps determine the deformation pattern. Their contribution helps explain why mechanical forces can produce bending, stretching, or compression under different cellular or tissue conditions. Examining these components connects nuclear shape to the mechanical organization of the cell and its response to physical stress.
Changes in nuclear shape can provide information about how mechanical conditions influence gene regulation and genome stability. In biological research, deformation is therefore not only a structural observation but also an indicator of interactions between physical forces and nuclear organization, with relevance to altered tissue conditions and disease processes.
Nucleus deformation is especially relevant when cells migrate through confined spaces, during tissue development, or under mechanical stress. These settings alter the forces acting on the nucleus and make its response biologically informative. Comparing nuclear changes across these situations helps researchers examine how cellular activity and tissue conditions shape nuclear mechanics.
Researchers investigate these changes with microscopy and biophysical methods. Microscopy can document alterations in nuclear shape or structure, while biophysical approaches help examine nuclear mechanics in relation to transmitted forces and resistance. Together, these methods allow deformation to be connected with cellular activity, tissue conditions, gene regulation, and genome stability.
Nucleus deformation is relevant to cancer biology because altered nuclear mechanics can be studied in relation to cancer progression. Measuring how nuclei respond to mechanical forces may help connect changes in nuclear shape with the physical conditions experienced by cells and tissues. This provides a structural and biophysical perspective on disease-associated cellular behavior.