ML2921: Tissue Interactions and Biocompatibility

Cell and tissue damage

Ischemic and Hypoxic Injury

Irreversible Cell Injury


Cell membrane damage is central factor in pathogenesis of irreversible cell injury

  • Progressive loss of phospholipids
    • Increased degradation
    • Decreased synthesis
  • Cytoskeletal alterations
    • Activation of proteases
    • Damage to cytoskeletal-membrane connections
    • Physical effects of cell swelling
  • Free radical induced injury
  • Lipid breakdown products

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