Human Ku80 Staining
Human Ku80 Staining - Related Videos
07:48
Staining Protocols for Human Pancreatic Islets
0 Views •
Cited by 28 •
2012
This video demonstrates procedures for characterization of human pancreatic islets using hematoxylin and eosin (H&E) and immunohistochemistry (IHC). Pancreatic sections from head, body, and tail regions are stained by both H&E and IHC to determine islet endocrine composition (insulin, glucagon, and pancreatic polypeptide), cell replication (Ki67), and inflammatory infiltrates (H&E, CD3). The uncinate region is localized using IHC for pancreatic polypeptide.
09:08
Production of Tissue Microarrays, Immunohistochemistry Staining and Digitalization Within the Human Protein Atlas
0 Views •
Cited by 202 •
2012
Tissue microarrays allows for an efficient method to gain concurrent information from a multitude of tissues. Representative parts of tissues are assembled into a single paraffin block. Sections from the block are used for immunohistochemistry and analysis of protein expression patterns. Digital scanning generates corresponding images for distribution of data.
03:02
Immunohistochemical Staining of S-100 Protein in Human Rectal Suction Biopsy Sections
0 Views •
2025
This video demonstrates the immunohistochemical staining for S-100 protein in rectal suction biopsy sections. Antigen-retrieved sections are blocked and treated with primary, followed by secondary antibodies against S-100, a marker of Hirschsprung's disease. Chromogenic substrate is added to stain the targeted cells. Samples are dehydrated and mounted before visualizing under the microscope.
08:21
DNA-FISH Metaphase Spreads to Distinguish Extrachromosomal DNA from Homogeneously Staining Regions in Human Cancer Cell Lines
0 Views •
2026
We report a DNA-FISH metaphase spread protocol that visually detects locus copy number and location within the genome. This approach enables single-cell resolution of amplification states, specifically in cancer cell lines containing extrachromosomal DNA and homogeneously staining regions.
11:33
Microscopy and Staining: Gram, Capsule, and Endospore Staining
0 Views •
2023
Source: Rhiannon M. LeVeque1, Natalia Martin1, Andrew J. Van Alst1, and Victor J. DiRita1 1 Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, United States of America Bacteria are diverse microorganisms found nearly everywhere on Earth. Many properties help distinguish them from each other, including but not limited to Gram-staining type, shape and arrangement, production of capsule, and formation of spores. To observe these properties, one...
FAQs
Ku80 forms part of the Ku heterodimer that recognizes broken DNA ends and helps recruit DNA-dependent protein kinase during non-homologous end joining. Staining can therefore show whether Ku80 is present in the expected cellular compartments while also indicating its abundance. These observations help relate nuclear protein expression to cellular responses associated with genomic damage.
The signal reflects binding of antibodies directed against Ku80, with a labeled secondary antibody making that binding visible. Signal distribution provides information about subcellular localization, whereas relative signal abundance can support comparisons of Ku80 expression between samples. Interpretation should consider both where the signal appears and how much signal is detected.
Localization adds information that total protein abundance alone cannot provide. Because Ku80 participates in recognizing broken DNA ends and supporting DNA repair through non-homologous end joining, its distribution within cells can be examined in relation to nuclear protein expression. This distinction is relevant when studying cellular responses to genomic damage or disease-associated changes.
In tumor research, staining can compare Ku80 abundance and localization across human cells or tissue samples. Those patterns provide a way to investigate DNA repair proficiency and cellular responses to genomic damage, including changes associated with treatment. The resulting microscopy observations can help characterize tumor biology and explore how repair-related protein expression relates to treatment responses.
A typical workflow applies an antibody that specifically binds Ku80 to human cells or tissue, followed by a labeled secondary antibody that reveals the bound primary antibody. The prepared sample is then examined using fluorescence or microscopy to assess signal abundance and subcellular distribution. This sequence connects molecular recognition with a visible cellular readout.
Fluorescence or microscopy is useful when the goal is to observe Ku80 within individual cells or tissue rather than only report its presence. These approaches make the labeled antibody signal visible and allow researchers to examine both abundance and subcellular localization. In medicine, that information supports investigations of genomic damage responses, tumor biology, and disease-associated nuclear expression.