The DOI matches its Crossref record; 59 of the 59 references it cites were found in a registry or an index.
The Flavanol (−)-Epigallocatechin 3-Gallate Inhibits Amyloid Formation by Islet Amyloid Polypeptide, Disaggregates Amyloid Fibrils, and Protects Cultured Cells against IAPP-Induced Toxicity
Open accessAbstract
Islet amyloid polypeptide (IAPP, amylin) is the major protein component of the islet amyloid deposits associated with type 2 diabetes. The polypeptide lacks a well-defined structure in its monomeric state but readily assembles to form amyloid. Amyloid fibrils formed from IAPP, intermediates generated in the assembly of IAPP amyloid, or both are toxic to β-cells, suggesting that islet amyloid formation may contribute to the pathology of type 2 diabetes. There are relatively few reported inhibitors of amyloid formation by IAPP. Here we show that the tea-derived flavanol, (-)-epigallocatechin 3-gallate [(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3-yl 3,4,5-trihydroxybenzoate] (EGCG), is an effective inhibitor of in vitro IAPP amyloid formation and disaggregates preformed amyloid fibrils derived from IAPP. The compound is thus one of a very small set of molecules which have been shown to disaggregate IAPP amyloid fibrils. Fluorescence-detected thioflavin-T binding assays and transmission electron microscopy confirm that the compound inhibits unseeded amyloid fibril formation as well as disaggregates IAPP amyloid. Seeding studies show that the complex formed by IAPP and EGCG does not seed amyloid formation by IAPP. In this regard, the behavior of IAPP is similar to the reported interactions of Aβ and α-synuclein with EGCG. Alamar blue assays and light microscopy indicate that the compound protects cultured rat INS-1 cells against IAPP-induced toxicity. Thus, EGCG offers an interesting lead structure for further development of inhibitors of IAPP amyloid formation and compounds that disaggregate IAPP amyloid.
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Cites
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Cited by
Li, J., McQuade, T., Siemer, A. B., Napetschnig, J., Moriwaki, K., Hsiao, Y.-S., Damko, E., Moquin, D., Walz, T., McDermott, A., et al. (2012) · Cell · doi:10.1016/j.cell.2012.06.019 · Cited by 1,222
Nguyen, P. H., Ramamoorthy, A., Sahoo, B. R., Zheng, J., Faller, P., Straub, J. E., Dominguez, L., Shea, J.-E., Dokholyan, N. V., De Simone, A., et al. (2021) · Chemical Reviews · doi:10.1021/acs.chemrev.0c01122 · Cited by 678
Protein misfolding and aggregation in cataract disease and prospects for prevention
Moreau, K. L., & King, J. A. (2012) · Trends in Molecular Medicine · doi:10.1016/j.molmed.2012.03.005 · Cited by 450
Targeting protein aggregation for the treatment of degenerative diseases
Eisele, Y. S., Monteiro, C., Fearns, C., Encalada, S. E., Wiseman, R. L., Powers, E. T., & Kelly, J. W. (2015) · Nature Reviews Drug Discovery · doi:10.1038/nrd4593 · Cited by 419
Review on Alzheimer’s Disease: Inhibition of Amyloid Beta and Tau Tangle Formation
Ashrafian, H., Zadeh, E. H., & Khan, R. H. (2021) · International Journal of Biological Macromolecules · doi:10.1016/j.ijbiomac.2020.11.192 · Cited by 368
Metadata
- Authors
- Meng, F., Abedini, A., Plesner, A., Verchere, C. B., & Raleigh, D. P.
- Venue
- Biochemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-08-30
- Volume
- 49
- Issue
- 37
- Pages
- 8127-8133
- ISSN
- 0006-2960 (ISSN-L)
- 1520-4995
- OpenAlex
- W1982653993
- Cited by
- 282
- References
- 59
- FWCI
- 11.41
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: The Flavanol (−)-Epigallocatechin 3-Gallate Inhibits Amyloid Formation by Islet Amyloid Polypeptide, Disaggregates Amyloid Fibrils, and Protects Cultured Cells against IAPP-Induced Toxicity. https://app.cochat.ai/papers/10.1021/bi100939a
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- Meng, F., Abedini, A., Plesner, A., Verchere, C. B., & Raleigh, D. P. (2010). The Flavanol (−)-Epigallocatechin 3-Gallate Inhibits Amyloid Formation by Islet Amyloid Polypeptide, Disaggregates Amyloid Fibrils, and Protects Cultured Cells against IAPP-Induced Toxicity. Biochemistry. https://doi.org/10.1021/bi100939a
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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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