The DOI matches its Crossref record; 62 of the 62 references it cites were found in a registry or an index.
Microglial activation and amyloid‐β clearance induced by exogenous heat‐shock proteins
Abstract
Alzheimer's disease (AD) is characterized by the accumulation of fibrillar amyloid‐β (Aβ) peptides to form amyloid plaques. Understanding the balance of production and clearance of Aβ peptides is the key to elucidating amyloid plaque homeostasis. Microglia in the brain, associated with senile plaques, are likely to play a major role in maintaining this balance. Here, we show that heat‐shock proteins (HSPs), such as HSP90, HSP70, and HSP32, induce the production of interleukin 6 and tumor necrosis factor α and increase the phagocytosis and clearance of Aβ peptides. This suggests that microglial interaction with Aβ peptides is highly regulated by HSPs. The mechanism of microglial activation by exogenous HSPs involves the nuclear factor KB and p38 mitogen‐activated protein kinase pathways mediated by Toll‐like receptor 4 activation. In AD brains, levels of HSP90 were increased in both the cytosolic and membranous fractions, and HSP90 was colocalized with amyloid plaques. These observations suggest that HSP‐induced microglial activation may serve a neuroprotective role by facilitating Aβ clearance and cytokine production.
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Metadata
- Authors
- Kakimura, J.-I., Kitamura, Y., Takata, K., Umeki, M., Suzuki, S., Shibagaki, K., Taniguchi, T., Nomura, Y., Gebicke-Haerter, P. J., Smith, M. A., Perry, G., & Shimohama, S.
- Venue
- The FASEB Journal
- Publisher
- Wiley
- Published
- 2002-02-25
- Volume
- 16
- Issue
- 6
- Pages
- 601-603
- ISSN
- 0892-6638 (ISSN-L)
- 1530-6860
- OpenAlex
- W2097485803
- Cited by
- 329
- References
- 62
- FWCI
- 10.18
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kakimura, J.-I., Kitamura, Y., Takata, K., Umeki, M., Suzuki, S., Shibagaki, K., Taniguchi, T., Nomura, Y., Gebicke-Haerter, P. J., Smith, M. A., Perry, G., & Shimohama, S. (2002). Microglial activation and amyloid‐β clearance induced by exogenous heat‐shock proteins. The FASEB Journal. https://doi.org/10.1096/fj.01-0530fje
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