The DOI matches its Crossref record; 47 of the 47 references it cites were found in a registry or an index.
Metalloenzyme-like Activity of Alzheimer's Disease β-Amyloid
Open accessAbstract
Beta-amyloid (Abeta) 1-42, implicated in the pathogenesis of Alzheimer's disease, forms an oligomeric complex that binds copper at a CuZn superoxide dismutase-like binding site. Abeta.Cu complexes generate neurotoxic H(2)O(2) from O(2) through Cu(2+) reduction, but the reaction mechanism has been unclear. We now report that Abeta1-42, when binding up to 2 eq of Cu(2+), generates the H(2)O(2) catalytically by recruiting biological reducing agents as substrates under conditions where the Cu(2+) or reducing agents will not form H(2)O(2) themselves. Cholesterol is an important substrate for this activity, as are vitamin C, L-DOPA, and dopamine (V(max) for dopamine = 34.5 nm/min, K(m) = 8.9 microm). The activity was inhibited by anti-Abeta antibodies, Cu(2+) chelators, and Zn(2+). Toxicity of Abeta in neuronal culture was consistent with catalytic H(2)O(2) production. Abeta was not toxic in cell cultures in the absence of Cu(2+), and dopamine (5 microm) markedly exaggerated the neurotoxicity of 200 nm Abeta1-42.Cu. Therefore, microregional catalytic H(2)O(2) production, combined with the exhaustion of reducing agents, may mediate the neurotoxicity of Abeta in Alzheimer's disease, and inhibitors of this novel activity may be of therapeutic value.
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Cites
Immunization with amyloid-β attenuates Alzheimer-disease-like pathology in the PDAPP mouse
Schenk, D., Barbour, R., Dunn, W., Gordon, G., Grajeda, H., Guido, T., Hu, K., Huang, J., Johnson-Wood, K., Khan, K., et al. (1999) · Nature · doi:10.1038/22124 · Cited by 3,160
Copper, iron and zinc in Alzheimer's disease senile plaques
Lovell, M. A., Robertson, J. D., Teesdale, W. J., Campbell, J. L., & Markesbery, W. R. (1998) · Journal of the Neurological Sciences · doi:10.1016/s0022-510x(98)00092-6 · Cited by 2,120
Hydrogen peroxide mediates amyloid β protein toxicity
Behl, C. (1994) · Cell · doi:10.1016/0092-8674(94)90131-7 · Cited by 2,074
Neurotrophic and Neurotoxic Effects of Amyloid β Protein: Reversal by Tachykinin Neuropeptides
Yankner, B. A., Duffy, L. K., & Kirschner, D. A. (1990) · Science · doi:10.1126/science.2218531 · Cited by 1,975
Formation of Neurofibrillary Tangles in P301L Tau Transgenic Mice Induced by Aβ42 Fibrils
Götz, J., Chen, F., van Dorpe, J., & Nitsch, R. M. (2001) · Science · doi:10.1126/science.1062097 · Cited by 1,526
Rapid induction of Alzheimer A beta amyloid formation by zinc
Bush, A., Pettingell, W., Multhaup, G., d Paradis, M., Vonsattel, J., Gusella, J., Beyreuther, K., Masters, C., & Tanzi, R. (1994) · Science · doi:10.1126/science.8073293 · Cited by 1,522
Self-citationSuzuki, N., Cheung, T. T., Cai, X.-D., Odaka, A., Otvos, L., Eckman, C., Golde, T. E., & Younkin, S. G. (1994) · Science · doi:10.1126/science.8191290 · Cited by 1,471
Cherny, R. A., Atwood, C. S., Xilinas, M. E., Gray, D. N., Jones, W. D., McLean, C. A., Barnham, K. J., Volitakis, I., Fraser, F. W., Kim, Y.-S., et al. (2001) · Neuron · doi:10.1016/s0896-6273(01)00317-8 · Cited by 1,447
Self-citationWolozin, B. (2000) · Archives of Neurology · doi:10.1001/archneur.57.10.1439 · Cited by 1,398
Excess brain protein oxidation and enzyme dysfunction in normal aging and in Alzheimer disease.
Smith, C. D., Carney, J. M., Starke-Reed, P. E., Oliver, C. N., Stadtman, E. R., Floyd, R. A., & Markesbery, W. R. (1991) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.88.23.10540 · Cited by 1,296
Cited by
Neurodegenerative diseases and oxidative stress
Barnham, K. J., Masters, C. L., & Bush, A. I. (2004) · Nature Reviews Drug Discovery · doi:10.1038/nrd1330 · Cited by 3,683
Self-citationUttara, B., Singh, A., Zamboni, P., & Mahajan, R. (2009) · Current Neuropharmacology · doi:10.2174/157015909787602823 · Cited by 3,378
Metals in Neurobiology: Probing Their Chemistry and Biology with Molecular Imaging
Que, E. L., Domaille, D. W., & Chang, C. J. (2008) · Chemical Reviews · doi:10.1021/cr078203u · Cited by 2,061
Gaggelli, E., Kozlowski, H., Valensin, D., & Valensin, G. (2006) · Chemical Reviews · doi:10.1021/cr040410w · Cited by 1,729
The metallobiology of Alzheimer's disease
Bush, A. I. (2003) · Trends in Neurosciences · doi:10.1016/s0166-2236(03)00067-5 · Cited by 1,315
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Metadata
- Authors
- Opazo, C., Huang, X., Cherny, R. A., Moir, R. D., Roher, A. E., White, A. R., Cappai, R., Masters, C. L., Tanzi, R. E., Inestrosa, N. C., & Bush, A. I.
- Venue
- Journal of Biological Chemistry
- Publisher
- Elsevier BV
- Published
- 2002-10
- Volume
- 277
- Issue
- 43
- Pages
- 40302-40308
- ISSN
- 0021-9258 (ISSN-L)
- OpenAlex
- W2138417832
- Cited by
- 579
- References
- 47
- FWCI
- 14.51
- Type
- journal article
- Language
- en
- Open access
- hybrid
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