Crossref journal-article
Proceedings of the National Academy of Sciences
Proceedings of the National Academy of Sciences (341)
Abstract

Cu ions have been suggested to enhance the assembly and pathogenic potential of the Alzheimer's disease amyloid-β (Aβ) peptide. To explore this relationship in vivo , toxic-milk ( tx J ) mice with a mutant ATPase7b transporter favoring elevated Cu levels were analyzed in combination with the transgenic (Tg) CRND8 amyloid precursor protein mice exhibiting robust Aβ deposition. Unexpectedly, TgCRND8 mice homozygous for the recessive tx J mutation examined at 6 months of age exhibited a reduced number of amyloid plaques and diminished plasma Aβ levels. In addition, homozygosity for tx J increased survival of young TgCRND8 mice and lowered endogenous CNS Aβ at times before detectable increases in Cu in the CNS. These data suggest that the beneficial effect of the tx J mutation on CNS Aβ burden may proceed by a previously undescribed mechanism, likely involving increased clearance of peripheral pools of Aβ peptide.

Bibliography

Phinney, A. L., Drisaldi, B., Schmidt, S. D., Lugowski, S., Coronado, V., Liang, Y., Horne, P., Yang, J., Sekoulidis, J., Coomaraswamy, J., Chishti, M. A., Cox, D. W., Mathews, P. M., Nixon, R. A., Carlson, G. A., George-Hyslop, P. S., & Westaway, D. (2003). In vivo reduction of amyloid-β by a mutant copper transporter. Proceedings of the National Academy of Sciences, 100(24), 14193–14198.

Authors 17
  1. Amie L. Phinney (first)
  2. Bettina Drisaldi (additional)
  3. Stephen D. Schmidt (additional)
  4. Stan Lugowski (additional)
  5. Veronica Coronado (additional)
  6. Yan Liang (additional)
  7. Patrick Horne (additional)
  8. Jing Yang (additional)
  9. Joannis Sekoulidis (additional)
  10. Janaky Coomaraswamy (additional)
  11. M. Azhar Chishti (additional)
  12. Diane W. Cox (additional)
  13. Paul M. Mathews (additional)
  14. Ralph A. Nixon (additional)
  15. George A. Carlson (additional)
  16. Peter St George-Hyslop (additional)
  17. David Westaway (additional)
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Dates
Type When
Created 21 years, 9 months ago (Nov. 25, 2003, 3:59 p.m.)
Deposited 3 years, 4 months ago (April 13, 2022, 9:29 a.m.)
Indexed 4 weeks ago (July 30, 2025, 10:27 a.m.)
Issued 21 years, 9 months ago (Nov. 14, 2003)
Published 21 years, 9 months ago (Nov. 14, 2003)
Published Online 21 years, 9 months ago (Nov. 14, 2003)
Published Print 21 years, 9 months ago (Nov. 25, 2003)
Funders 0

None

@article{Phinney_2003, title={In vivo reduction of amyloid-β by a mutant copper transporter}, volume={100}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.2332851100}, DOI={10.1073/pnas.2332851100}, number={24}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Phinney, Amie L. and Drisaldi, Bettina and Schmidt, Stephen D. and Lugowski, Stan and Coronado, Veronica and Liang, Yan and Horne, Patrick and Yang, Jing and Sekoulidis, Joannis and Coomaraswamy, Janaky and Chishti, M. Azhar and Cox, Diane W. and Mathews, Paul M. and Nixon, Ralph A. and Carlson, George A. and George-Hyslop, Peter St and Westaway, David}, year={2003}, month=nov, pages={14193–14198} }