a(CHEBI:"amyloid-beta polypeptide 40") decreases act(a(HBP:"alpha-4 beta-2 nAChR"))
Experiments performed on X. laevis oocytes transiently transfected with alpha7 or alpha4beta2 cDNA showed a concentration dependent effect of Abeta on receptor inhibition. In this case the peptide used was Abeta1-40 and the concentrations adopted were between 0.1 and 10 mM, with increased Abeta concentration resulting in a bigger inhibition of the receptor (Tozaki et al., 2002)
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If you find BEL Commons useful in your work, please consider citing: Hoyt, C. T., Domingo-Fernández, D., & Hofmann-Apitius, M. (2018). BEL Commons: an environment for exploration and analysis of networks encoded in Biological Expression Language. Database, 2018(3), 1–11.