Tumor Cell Necrosis
Tumor Cell Necrosis - Related Videos
01:16
Necrosis
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2023
Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”. Morphological Manifestations of Necrosis Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become anucleated and die, but their...
02:12
Muscle Necrosis Assay in C. elegans Induced by a Pathogenic Aeromonas Strain
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2026
Source: Chen, Y. et. al., Evaluating Virulence and Pathogenesis of Aeromonas Infection in a Caenorhabditis elegans Model. J. Vis. Exp. (2018)This video demonstrates a muscle necrosis assay in C. elegans (Caenorhabditis elegans) using pathogenic Aeromonas strains. By feeding green fluorescent protein (GFP)-expressing worms on Aeromonas-seeded plates, the assay models bacterial infection and reveals tissue damage through fluorescence imaging. The progressive loss of muscle structure and GFP...
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Ex Vivo T Cell Stimulation in the Pancreatic Tumor: A Method to Increase Cytokine Production in T Cells
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2023
This article describes the technique for ex vivo T cell stimulation to increase the intracellular concentration of cytokines such as interferon-gamma or IFN-gamma and tumor necrosis factor-alpha or TNF-alpha in the T cell. These cytokines mediate an effective anti-tumor response and can have a therapeutic role in the...
01:16
Cellular Injury IV: Necrosis
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2026
Necrosis is a form of irreversible cell death caused by severe injury such as ischemia, toxins, or trauma. Unlike programmed cell death, it is an uncontrolled, pathological process that typically provokes inflammation in surrounding tissues.Pathophysiologic ChangesNecrosis begins when cells sustain critical damage, leading to swelling of organelles, particularly mitochondria, and rapid ATP depletion. As energy levels decline, membrane ion pumps fail, leading to calcium influx and eventually,...
10:04
Tractable In Vivo Reprogramming of Tumor Cells to Type 1 Conventional Dendritic Cell-like Cells
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2025
This protocol describes the in vivo reprogramming of mouse cancer cells into type 1 dendritic-like cells within the tumor microenvironment through enforced expression of the transcription factors PU.1, IRF8, and BATF3.
FAQs
Rapid tumor growth can create a mismatch between the tissue’s demand and its available blood supply. As perfusion becomes insufficient, malignant cells experience hypoxia, meaning low oxygen, together with nutrient deprivation and metabolic stress. These conditions progressively damage the cells and help explain why necrotic regions often occur within rapidly expanding tumors.
When injured tumor cells lose membrane integrity, intracellular contents enter the surrounding tissue. These materials include damage-associated molecular patterns, or DAMPs, which provide signals of cellular injury to innate immune pathways. Their release can activate local inflammatory responses, linking severe tumor stress to changes in the surrounding immune environment.
Necrotic areas can alter antigen presentation, the process by which cellular material is made available for immune recognition. Because cell injury releases intracellular contents into the tumor environment, the handling and presentation of tumor-associated material may change. This provides a mechanistic connection between tissue damage, immune-cell interactions, and the broader immune response to malignancy.
A necrotic region is histological evidence that tumor tissue has undergone severe stress. In particular, it can indicate that local growth has exceeded the capacity of the blood supply, producing hypoxia, nutrient limitation, and metabolic strain. Interpreting this pattern helps connect the microscopic appearance of a tumor with the physiological conditions affecting its cells.
In tissue analysis, necrotic regions provide a visible histological marker of substantial tumor injury. Their presence can help investigators recognize areas where malignant growth has been associated with inadequate support and intense cellular stress. This information complements assessment of tumor biology by showing that the tissue environment is not uniform throughout the tumor.
Necrotic areas can reshape local inflammation and interactions among cancer cells and immune cells. They therefore offer a useful context for studying how severe tissue injury affects innate immune signaling and antigen presentation within a tumor. Examining these regions helps connect cellular damage to immune responses rather than treating tumor cells as isolated from their environment.
Necrotic regions are relevant to infection research because they can alter the local environment in which tumor cells, immune cells, and invading microbes interact. The associated cellular injury and inflammatory signaling may influence these relationships. Studying such regions can therefore clarify how tumor-associated damage contributes to the immune and tissue context surrounding microbial invasion.