The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.
Molecular cloning of cDNA encoding an unrecognized component of amyloid in Alzheimer disease.
Open accessAbstract
A neuropathological hallmark of Alzheimer disease (AD) is a widespread amyloid deposition. We analyzed the entire amino acid sequences in an amyloid preparation and found, in addition to the major beta/A4-protein (A beta) fragment, two unknown peptides. We raised antibodies against synthetic peptides using subsequences of these peptides. These antibodies immunostained amyloid in neuritic and diffuse plaques as well as vascular amyloid. Electron microscopic analysis demonstrated that the immunostaining was localized on amyloid fibrils. We have isolated an apparently full-length cDNA encoding a 140-amino-acid protein within which two previously unreported amyloid sequences are encoded in tandem in the most hydrophobic domain. We tentatively named this 35-amino acid peptide NAC (non-A beta component of AD amyloid) and its precursor NACP. NAC is the second component, after A beta, identified chemically in the purified AD amyloid preparation. Secondary structure predictions indicate that the NAC peptide sequence has a strong tendency to form beta-structures consistent with its association with amyloid. NACP is detected as a M(r) 19,000 protein in the cytosolic fraction of brain homogenates and comigrates on immunoblots with NACP synthesized in Escherichia coli from NACP cDNA. NACP mRNA is expressed principally in brain but is also expressed in low concentrations in all tissues examined except in liver, suggesting its ubiquitous and brain-specific functions. The availability of the cDNA encoding full-length NACP should help to elucidate the mechanisms of amyloidosis in AD.
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Saiki, R. K., Scharf, S., Faloona, F., Mullis, K. B., Horn, G. T., Erlich, H. A., & Arnheim, N. (1985) · Science · doi:10.1126/science.2999980 · Cited by 8,956
Alzheimer's disease: the amyloid cascade hypothesis
Hardy, J. A., & Higgins, G. A. (1992) · Science · doi:10.1126/science.1566067 · Cited by 7,484
The precursor of Alzheimer's disease amyloid A4 protein resembles a cell-surface receptor
Kang, J., Lemaire, H.-G., Unterbeck, A., Salbaum, J. M., Masters, C. L., Grzeschik, K.-H., Multhaup, G., Beyreuther, K., & Müller-Hill, B. (1987) · Nature · doi:10.1038/325733a0 · Cited by 4,619
Amyloid plaque core protein in Alzheimer disease and Down syndrome.
Masters, C. L., Simms, G., Weinman, N. A., Multhaup, G., McDonald, B. L., & Beyreuther, K. (1985) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.82.12.4245 · Cited by 4,431
Strittmatter, W. J., Saunders, A. M., Schmechel, D., Pericak-Vance, M., Enghild, J., Salvesen, G. S., & Roses, A. D. (1993) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.90.5.1977 · Cited by 4,268
Amyloid β-peptide is produced by cultured cells during normal metabolism
Haass, C., Schlossmacher, M. G., Hung, A. Y., Vigo-Pelfrey, C., Mellon, A., Ostaszewski, B. L., Lieberburg, I., Koo, E. H., Schenk, D., Teplow, D. B., et al. (1992) · Nature · doi:10.1038/359322a0 · Cited by 1,921
Isolation and quantification of soluble Alzheimer's β-peptide from biological fluids
Seubert, P., Vigo-Pelfrey, C., Esch, F., Lee, M., Dovey, H., Davis, D., Sinha, S., Schiossmacher, M., Whaley, J., Swindlehurst, C., et al. (1992) · Nature · doi:10.1038/359325a0 · Cited by 1,731
Amyloid β Protein Gene: cDNA, mRNA Distribution, and Genetic Linkage Near the Alzheimer Locus
Tanzi, R. E., Gusella, J. F., Watkins, P. C., Bruns, G. A. P., St George-Hyslop, P., Van Keuren, M. L., Patterson, D., Pagan, S., Kurnit, D. M., & Neve, R. L. (1987) · Science · doi:10.1126/science.2949367 · Cited by 1,611
Production of the Alzheimer Amyloid β Protein by Normal Proteolytic Processing
Shoji, M., Golde, T. E., Ghiso, J., Cheung, T. T., Estus, S., Shaffer, L. M., Cai, X.-D., McKay, D. M., Tintner, R., Frangione, B., et al. (1992) · Science · doi:10.1126/science.1439760 · Cited by 1,447
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Mutation in the α-Synuclein Gene Identified in Families with Parkinson's Disease
Polymeropoulos, M. H., Lavedan, C., Leroy, E., Ide, S. E., Dehejia, A., Dutra, A., Pike, B., Root, H., Rubenstein, J., Boyer, R., et al. (1997) · Science · doi:10.1126/science.276.5321.2045 · Cited by 8,240
AlaSOPro mutation in the gene encoding α-synuclein in Parkinson's disease
Krüger, R., Kuhn, W., Müller, T., Woitalla, D., Graeber, M., Kösel, S., Przuntek, H., Epplen, J. T., Schols, L., & Riess, O. (1998) · Nature Genetics · doi:10.1038/ng0298-106 · Cited by 3,836
Mice Lacking α-Synuclein Display Functional Deficits in the Nigrostriatal Dopamine System
Abeliovich, A., Schmitz, Y., Fariñas, I., Choi-Lundberg, D., Ho, W.-H., Castillo, P. E., Shinsky, N., Verdugo, J. M. G., Armanini, M., Ryan, A., et al. (2000) · Neuron · doi:10.1016/s0896-6273(00)80886-7 · Cited by 1,722
Pathology of Neurodegenerative Diseases
Dugger, B. N., & Dickson, D. W. (2017) · Cold Spring Harbor Perspectives in Biology · doi:10.1101/cshperspect.a028035 · Cited by 1,665
Harper, J. D., & Lansbury, P. T. (1997) · Annual Review of Biochemistry · doi:10.1146/annurev.biochem.66.1.385 · Cited by 1,652
Metadata
- Authors
- Uéda, K., Fukushima, H., Masliah, E., Xia, Y., Iwai, A., Yoshimoto, M., Otero, D. A., Kondo, J., Ihara, Y., & Saitoh, T.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 1993-12
- Volume
- 90
- Issue
- 23
- Pages
- 11282-11286
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2013313629
- Cited by
- 1,480
- References
- 9
- FWCI
- 4.37
- Type
- journal article
- Language
- en
- Open access
- green
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- Uéda, K., Fukushima, H., Masliah, E., Xia, Y., Iwai, A., Yoshimoto, M., Otero, D. A., Kondo, J., Ihara, Y., & Saitoh, T. (1993). Molecular cloning of cDNA encoding an unrecognized component of amyloid in Alzheimer disease. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.90.23.11282
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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