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The stress response neuropeptide CRF increases amyloid ‐ β production by regulating γ ‐ secretase activity by Hyo ‐ Jin Park, Yong Ran, Joo In Jung, Oliver.

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Presentation on theme: "The stress response neuropeptide CRF increases amyloid ‐ β production by regulating γ ‐ secretase activity by Hyo ‐ Jin Park, Yong Ran, Joo In Jung, Oliver."— Presentation transcript:

1 The stress response neuropeptide CRF increases amyloid ‐ β production by regulating γ ‐ secretase activity by Hyo ‐ Jin Park, Yong Ran, Joo In Jung, Oliver Holmes, Ashleigh R Price, Lisa Smithson, Carolina Ceballos ‐ Diaz, Chul Han, Michael S Wolfe, Yehia Daaka, Andrey E Ryabinin, Seong ‐ Hun Kim, Richard L Hauger, Todd E Golde, and Kevin M Felsenstein EMBO J. Volume 34(12):1674-1686 June 12, 2015 ©2015 by European Molecular Biology Organization

2 Acute restraint stress and CRF increased endogenous Aβ in C57BL/6J mice forebrains Hyo ‐ Jin Park et al. EMBO J. 2015;34:1674-1686 ©2015 by European Molecular Biology Organization

3 CRF treatment induces the internalization of CRFR1 and γ ‐ secretase Hyo ‐ Jin Park et al. EMBO J. 2015;34:1674-1686 ©2015 by European Molecular Biology Organization

4 The C ‐ terminal domain of CRFR1 mediates the effect of CRF on Aβ levels Hyo ‐ Jin Park et al. EMBO J. 2015;34:1674-1686 ©2015 by European Molecular Biology Organization

5 CRF increases γ ‐ secretase activity in vitro Hyo ‐ Jin Park et al. EMBO J. 2015;34:1674-1686 ©2015 by European Molecular Biology Organization

6 CRFR antagonists do not block CRF ‐ and stress ‐ induced Aβ increases and alter γ ‐ secretase processivity Hyo ‐ Jin Park et al. EMBO J. 2015;34:1674-1686 ©2015 by European Molecular Biology Organization

7 Models for the role of CRF and CRFR antagonists in the localization and activation of γ ‐ secretase and Aβ production in Alzheimer's disease Hyo ‐ Jin Park et al. EMBO J. 2015;34:1674-1686 ©2015 by European Molecular Biology Organization


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