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Related Concept Videos

Necrosis01:16

Necrosis

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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”.
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Cells undergoing apoptosis form apoptotic bodies that must be removed immediately to prevent inflammation, autoimmune diseases, and necrosis. Phagocytosis is carried out by professional phagocytes such as macrophages or  immature dendritic cells. Non-professional phagocytes such as  epithelial cells and fibroblasts also take part in this process; however, they are not as effective as professional phagocytes. 
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The esophagus, a muscular conduit linking the pharynx and stomach, measures roughly 10 inches (25.4 cm) and sits behind the trachea. It remains collapsed when not swallowing. The esophagus follows a predominantly straight path through the thoracic mediastinum and enters the abdominal cavity through a diaphragmatic opening known as the esophageal hiatus.
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Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
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Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
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Individuals with Barrett's esophagus are often asymptomatic, but they may experience symptoms commonly associated with GERD, such as heartburn and acid regurgitation. Additional symptoms can include difficulty swallowing, chest pain, unintentional weight loss, blood in the stool (which may appear black, tarry, or bloody), and episodes of vomiting.
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Related Experiment Video

Updated: Sep 18, 2025

Author Spotlight: Tracing the Ferroptotic Signatures and Cell Death Dynamics in Medulloblastoma for Advanced Therapeutics
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GAGging cancer cell ferroptosis.

Annalisa M VanHook1

  • 1Science Signaling, AAAS, Washington, DC 20005, USA.

Science Signaling
|June 24, 2025
PubMed
Summary

Glycosaminoglycans help cancer cells absorb antiferroptotic lipoproteins, a key mechanism for cancer survival and proliferation. This finding offers new insights into cancer cell metabolism and potential therapeutic targets.

Area of Science:

  • Biochemistry
  • Cell Biology
  • Cancer Research

Background:

  • Cancer cells exhibit altered metabolism and survival mechanisms.
  • Lipoproteins play roles in cellular processes, including lipid transport.
  • Antiferroptosis is a survival mechanism exploited by cancer cells.

Purpose of the Study:

  • To investigate the role of glycosaminoglycans in cancer cell lipoprotein uptake.
  • To elucidate the mechanism by which cancer cells acquire antiferroptotic lipoproteins.

Main Methods:

  • Cell culture models of cancer.
  • Biochemical assays to measure lipoprotein uptake.
  • Analysis of glycosaminoglycan-protein interactions.

Main Results:

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  • Glycosaminoglycans were found to mediate the uptake of specific antiferroptotic lipoproteins by cancer cells.
  • This uptake mechanism contributes to the survival of cancer cells under stress conditions.
  • Targeting glycosaminoglycans could potentially inhibit cancer cell proliferation.

Conclusions:

  • Glycosaminoglycans are crucial for cancer cells to internalize antiferroptotic lipoproteins.
  • This interaction represents a novel vulnerability in cancer biology.
  • Further research into glycosaminoglycan-mediated pathways may reveal new therapeutic strategies.