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Department of Anesthesiology and Critical Care, Massachusetts General Hospital, Shriners Hospital for Children, and Harvard Medical School, Boston, MA, USA. shingo_yasuhara@yahoo.com
Dying cells are distinguished by their biochemical and morphologic traits and categorized into three subtypes: apoptosis, oncosis (necrosis), and cell death with autophagy. Each of these types of cell death plays critical roles in tissue morphogenesis during normal development and in the pathogenesis of human diseases. Given that tissue homeostasis is controlled by the intricate balance between degeneration and regeneration, it is essential to understand the mechanisms of different forms of cell death to establish and improve therapeutic interventions for prevention and rescue of these cell death-related disorders. Critical illness, including sepsis, trauma, and burn injury, is often complicated by multiple organ dysfunction syndrome and is accompanied by increased cell death in parenchymal and nonparenchymal tissues. Accumulating evidence suggests that augmented cell death plays an important role in the organ failure in critical illness. We discuss possible therapeutic approaches for prevention of cell death, particularly apoptotic cell death.
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