p(HGNCGENEFAMILY:"Cholinergic receptors nicotinic subunits") association p(HGNC:APOE)

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PubMed:19293145

There is evidence that ApoE directly interacts with nAChRs. An APOE-derived peptide blocks nAChRs on rat hippocampal slices with a submicromolar affinity, and this action is dependent on an arginine-rich segment of the APOE peptide (Klein and Yakel, 2004). Block of heterologously expressed alpha7 nAChRs is greater than that for alpha4beta2 or alpha2beta2 nAChRs (Gay et al., 2006). This block of alpha7 receptors is abolished when alpha7 Trp55 is mutated to alanine, providing strong evidence that it results from a direct interaction between the peptide and the receptors (Gay et al., 2007), and the effects of other substitutions of Trp55 suggests that this interaction is hydrophobic

Related Edges 2

• p(HGNC:APOE) association p(HGNCGENEFAMILY:"Cholinergic receptors nicotinic subunits")
• p(HGNC:CHRNA7, var("p.Trp55Ala")) decreases complex(p(HGNC:APOE), p(HGNC:CHRNA7))

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