About: HIV-I Nef in Apoptosis Pathway     Goto   Sponge   Distinct   Permalink

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AttributesValues
rdf:type
rdfs:label
  • HIV-I Nef in Apoptosis Pathway
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Semantic_Type
  • Functional Concept
Preferred_Name
  • HIV-I Nef in Apoptosis Pathway
UMLS_CUI
  • C1512300
BioCarta_ID
  • h_HivnefPathway
ALT_DEFINITION
  • HIV infection leads to drastic declines in CD4 T helper cells, in part through apoptosis of uninfected cells. Apoptosis of uninfected cells may be induced through the expression of Fas ligand on the surface of HIV-infected cells, stimulating the Fas-dependent apoptotic pathway in cells that come in contact with infected cells. The NEF protein expressed by HIV may play a role in the inducing the expression of Fas-ligand by infected cells. If this is the case, then a question that arises is how infected cells themselves escape Fas-mediated apoptosis. The NEF protein appears to play a role in this process as well. NEF interacts with the ASK1 kinase (apoptosis signal-regulating kinase) involved in apoptotic signaling by TNF and Fas-ligand. Interaction of NEF with ASK1 prevents phosphorylation of downstream MAP kinases and JNK kinases involved in apoptotic signaling.BIOCARTA
Legacy_Concept_Name
  • HIV-I_Nef_in_Apoptosis_Pathway
FULL_SYN
  • HIV-I Nef: negative effector of Fas and TNFPTBIOCARTA
  • HIV-I Nef in Apoptosis PathwayPTNCI
code
  • C39106
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