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RETRACTED ARTICLE: Exploring the Role of CLU in the Pathogenesis of Alzheimer’s Disease

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This article was retracted on 19 May 2022

A Correction to this article was published on 29 August 2020

This article has been updated

Abstract

Alzheimer’s disease (AD) is a chronic and devastating neurodegenerative disorder that is affecting elderly people at an increasing rate. Clusterin (CLU), an extracellular chaperone, is an ubiquitously expressed protein that can be identified in various body fluids and tissues. Expression of CLU can lead to various processes including suppression of complement system, lipid transport, chaperone function, and also controlling neuronal cell death and cell survival mechanisms. Studies have confirmed that the level of CLU expression is increased in AD. Furthermore, CLU also decreased the toxicity and aggregation of amyloid beta (Aβ). However when the Aβ level was far greater than CLU, then the amyloid generation was increased. CLU was also found to incorporate in the amyloid aggregates, which were more harmful as compared with the Aβ42 aggregates alone. Growing evidence indicates that CLU plays roles in AD pathogenesis via various processes, including aggregation and clearance of Aβ, neuroinflammation, lipid metabolism, Wnt signaling, copper homeostasis, and regulation of neuronal cell cycle and apoptosis. In this article, we represent the critical interaction of CLU and AD based on recent advances. Furthermore, we have also focused on the Aβ-dependent and Aβ-independent mechanisms by which CLU plays a role in AD pathogenesis.

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Abbreviations

AD:

Alzheimer’s disease

CLU:

clusterin

Aβ:

amyloid beta

APOJ:

apolipoprotein J

APOE:

apolipoprotein E

CSF:

cerebrospinal fluid

NFTs:

neurofibrillary tangles

References

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Acknowledgments

The authors are grateful to the Pharmakon Neuroscience Research Network, Dhaka, Bangladesh.

Funding

The authors concede the support by the Pharmakon Neuroscience Research Network, Dhaka, Bangladesh.

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Authors and Affiliations

Authors

Contributions

MSU conceived of the original idea and designed the outlines of the study. MSU and MTK wrote the draft of the manuscript. MSU prepared the figures for the manuscript. MMB, MSI, TB, and GMA performed the literature review and aided in revising the manuscript. All authors have read and approved the submitted version.

Corresponding author

Correspondence to Md. Sahab Uddin.

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Conflict of interest

The authors declare that they have no competing interests.

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This article has been retracted. Please see the retraction notice for more detail:https://doi.org/10.1007/s12640-022-00519-1

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Uddin, M.S., Kabir, M.T., Begum, M.M. et al. RETRACTED ARTICLE: Exploring the Role of CLU in the Pathogenesis of Alzheimer’s Disease. Neurotox Res 39, 2108–2119 (2021). https://doi.org/10.1007/s12640-020-00271-4

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  • DOI: https://doi.org/10.1007/s12640-020-00271-4

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