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AttributesValues
rdf:type
rdfs:label
  • Apoptosis Pathway
rdfs:subClassOf
Semantic_Type
  • Functional Concept
Preferred_Name
  • Apoptosis Pathway
NCI_META_CUI
  • CL322961
KEGG_ID
  • hsa04210
ALT_DEFINITION
  • Apoptosis is a genetically controlled mechanism of cell death involved in the regulation of tissue homeostasis. The 2 major pathways of apoptosis are the extrinsic (Fas and other TNFR superfamily members and ligands) and the intrinsic (mitochondria-associated) pathways, both of which are found in the cytoplasm. The extrinsic pathway is triggered by death receptor engagement, which initiates a signaling cascade mediated by caspase-8 activation. Caspase-8 both feeds directly into caspase-3 activation and stimulates the release of cytochrome c by the mitochondria. Caspase-3 activation leads to the degradation of cellular proteins necessary to maintain cell survival and integrity. The intrinsic pathway occurs when various apoptotic stimuli trigger the release of cytochrome c from the mitochondria (independently of caspase-8 activation). Cytochrome c interacts with Apaf-1 and caspase-9 to promote the activation of caspase-3. Recent studies point to the ER as a third subcellular compartment implicated in apoptotic execution. Alterations in Ca2+ homeostasis and accumulation of misfolded proteins in the ER cause ER stress. Prolonged ER stress can result in the activation of BAD and/or caspase-12, and execute apoptosis.KEGG
Legacy_Concept_Name
  • Apoptosis_Pathway
FULL_SYN
  • Apoptosis PathwayPTNCI
  • ApoptosisPTKEGG
code
  • C38784
is someValuesFrom of
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