Tissue Necrosis
Tissue Necrosis - Related Videos
01:16
Necrosis
0 Views •
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
0 Views •
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...
01:16
Cellular Injury IV: Necrosis
0 Views •
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,...
04:37
Comprehensive Analysis of Procoagulant Platelets Exhibiting Features of Necrosis, Apoptosis and Platelet Activation
0 Views •
Cited by 1 •
2025
The present protocol provides a comprehensive set of procedures necessary to analyze procoagulant platelets, which exhibit overlapping features of necrosis, apoptosis, and platelet activation.
04:17
Formalin-Fixed Paraffin Embedded (FFPE) Tissue Preservation: A Method for Studying Tissue Morphology
0 Views •
2023
The following video describes how to preserve morphology of a tissue with formalin fixation and paraffin embedding.
FAQs
Drug-associated tissue necrosis can arise through several routes rather than one universal pathway. A compound may cause direct cellular injury, generate toxic metabolites, reduce local blood flow and produce ischemia, or provoke immune-mediated damage. Distinguishing these possibilities helps researchers connect the observed tissue injury with the drug’s mechanism and interpret adverse reactions more accurately.
Reduced blood flow limits the conditions cells need to maintain repair and energy systems. When the resulting stress exceeds those systems’ capacity, cellular damage progresses and membrane integrity can be lost, allowing intracellular contents to enter surrounding tissue. This process helps explain why ischemic drug effects can contribute to inflammation and worsening local injury.
Toxic metabolites point to damage that develops after a drug is transformed into harmful products, whereas immune-mediated injury indicates that an immune response contributes to tissue damage. These mechanisms provide different explanations for the same broad outcome. Recognizing the distinction supports mechanism-based interpretation of adverse drug reactions and can guide safer therapeutic design.
Evaluation should combine identification of necrotic tissue changes with analysis of related biomarkers. Together, these findings provide evidence that a drug may be damaging an organ or tissue and help connect structural injury with biological responses. In preclinical and clinical research, this combined assessment supports interpretation of organ safety and suspected adverse drug reactions.
In preclinical research, necrotic changes and related biomarkers help reveal potential toxicity before broader therapeutic use. Clinical research can then use comparable evidence to investigate suspected adverse drug reactions and organ injury. Across both settings, the findings provide a basis for evaluating whether tissue damage is associated with treatment and for refining safety decisions.
When necrotic changes or associated biomarkers vary with drug exposure, researchers can examine whether toxicity is dose dependent. That relationship helps characterize the safety profile of a compound and identify concerns about organ injury. Interpreting the dose-toxicity pattern alongside the suspected mechanism supports more informed decisions during therapeutic development and adverse-reaction evaluation.