Nuclei Distribution
Nuclei Distribution - Related Videos
01:14
Atomic Nuclei: Nuclear Spin State Population Distribution
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2024
Near absolute zero temperatures, in the presence of a magnetic field, the majority of nuclei prefer the lower energy spin-up state to the higher energy spin-down state. As temperatures increase, the energy from thermal collisions distributes the spins more equally between the two states. The Boltzmann distribution equation gives the ratio of the number of spins predicted in the spin −½ (N−) and spin +½ (N+) states. Here, ΔE is the energy difference between the states, k is the Boltzmann...
08:01
Computational Analysis of the Caenorhabditis elegans Germline to Study the Distribution of Nuclei, Proteins, and the Cytoskeleton
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Cited by 4 •
2018
We present an automated method for three-dimensional reconstruction of the Caenorhabditis elegans germline. Our method determines the number and position of each nucleus within the germline and analyses germline protein distribution and cytoskeletal structure.
03:05
Gradient Centrifugation Based Purification of Nuclei: A Technique to Obtain Ultrapure Fraction of Intact Nuclei Using Density Gradient Centrifugation
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2023
In this video, we describe a simple and efficient protocol using gradient centrifugation to isolate single nuclei. Once isolated, these nuclei can be used for sequencing and genome analysis.
03:55
Isolation of Nuclei from Fresh Frozen Glioma Tissues: A Method to Obtain Intact Nuclei from Glioma Tumor Samples
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2023
This video describes the protocol to isolate single-nuclei from fresh frozen glioma tissue. The isolated single-nuclei can be used as specimens for sequencing techniques such as single-nuclei RNA (snRNA) sequencing and single-nuclei Assay for Transposase-Accessible Chromatin (snATAC) sequencing to obtain deeper insights into inter- and intra-tumor heterogeneity observed in glioma of the central nervous tissues.
10:12
Isolation of Cardiomyocyte Nuclei from Post-mortem Tissue
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Cited by 61 •
2012
Cardiac nuclei are isolated via density sedimentation and immunolabeled with antibodies against pericentriolar material 1 (PCM-1) to identify and sort cardiomyocyte nuclei by flow cytometry.
FAQs
Nuclear positions change through coordinated movement and cytoskeletal transport, while cell division and tissue growth alter the number and spacing of nuclei. These processes work together rather than independently: movement relocates nuclei, division adds nuclei, and growth changes available space. Their coordination helps developing tissues establish organized architecture and provides a mechanistic basis for interpreting abnormal nuclear patterns.
Signaling pathways and mechanical forces help establish and maintain appropriate nuclear positions. Their importance extends beyond moving nuclei: they connect developmental information and physical conditions to the organization of cells and tissues. When nuclear positions depart from expected arrangements, examining these influences can help distinguish problems in developmental regulation from changes associated with tissue growth or morphogenesis.
During a syncytial stage, nuclei occupy a shared cytoplasm, so their arrangement reflects organization before separation into distinct cells. As development proceeds toward cellularization, nuclear number and spacing become linked to individual cell organization and tissue architecture. Comparing these stages can reveal how embryos convert a common cytoplasmic environment into organized, cell-based tissues during development.
Tissue growth changes the spatial conditions around nuclei and can alter apparent spacing and density even when other processes remain active. Interpreting a pattern therefore requires considering growth alongside nuclear movement and division. This combined view helps researchers decide whether a distribution reflects normal expansion, coordinated reorganization, or a developmental disturbance affecting tissue architecture.
Researchers can use imaging followed by quantitative analysis of nuclear number and spacing. These measurements provide a way to connect cellular behaviors with tissue architecture rather than relying only on visual inspection. In developmental studies, the resulting patterns can be compared with morphogenesis, developmental defects, and organ formation to identify how nuclear organization relates to tissue outcomes.
Analysis can show how embryos pattern tissues, coordinate morphogenesis, and progress from shared or syncytial cytoplasm to distinct cells. It can also relate nuclear organization to developmental state and organ formation. Thus, the approach is useful when a study asks how local cellular behaviors scale up to tissue-level structure during embryonic development.
Unusual nuclear spacing or number can signal altered cellular organization or developmental state, especially when examined alongside tissue architecture. Such patterns may provide evidence of developmental defects, but they do not by themselves identify a single cause. Combining distribution measurements with information about movement, division, growth, signaling, and mechanical forces supports a more informative interpretation.