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Neuronal Inclusions in Neurodegeneration

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Neurobiology".

Deadline for manuscript submissions: closed (25 April 2024) | Viewed by 1101

Special Issue Editor

Special Issue Information

Dear Colleagues, 

The occurrence of neuronal (and glial inclusions) is a common hallmark in neurodegenerative disorders.

This phenomenon encompasses the central and peripheral nervous system and extends to neural tissue, which is present within sensory organs. Additionally, the occurrence of neuronal inclusions dates back to the beginning of the XIX century when the occurrence of Lafora bodies and Lewy bodies was first described. The nature of these formations is still a matter of debate and it represents a popular topic for understanding the biology of neurodegenerative diseases.

Two main points are crucial at present within this field. The first point relates to the structure of these inclusions which has recently been rejuvenated by seminal papers showing the occurrence of a number of chemical species, membrane organelles and various proteins surpassing at large the classic single or few protein-based visions, which have been predominant until very recent times.

The other facet concerns the significance of the inclusions in the dynamics of the disease. Are they detrimental to and do they participate in the process of cell damage and cell death? Or, vice versa, do they represent an attempt (often successful) to trap and neutralize toxic molecules and dysfunctional organelles?

The Special Issue will be dedicated to manuscript reviewing or reporting the data on the various types of inclusions which occur in the central and peripheral nervous system, including muscles and sensory organs.

Descriptive papers are welcome along with data-based manuscripts showing the structure of inclusions through classic and innovative techniques. The role of the inclusion in the dynamics of the disease and the biochemical cascades involved in inclusion formation will be highly appreciated. The Special Issue also aims to provide a historical perspective about the seminal research steps which have contributed in the last couple of centuries to defining neuronal inclusions. The pharmacological and therapeutic approaches that modulate the occurrence of neuronal inclusions within all different districts of the body and across different species are also welcome.

Prof. Dr. Francesco Fornai
Guest Editor

Manuscript Submission Information

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Published Papers (1 paper)

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Review

19 pages, 939 KiB  
Review
Is There a Place for Lewy Bodies before and beyond Alpha-Synuclein Accumulation? Provocative Issues in Need of Solid Explanations
by Paola Lenzi, Gloria Lazzeri, Michela Ferrucci, Marco Scotto, Alessandro Frati, Stefano Puglisi-Allegra, Carla Letizia Busceti and Francesco Fornai
Int. J. Mol. Sci. 2024, 25(7), 3929; https://doi.org/10.3390/ijms25073929 - 01 Apr 2024
Viewed by 717
Abstract
In the last two decades, alpha-synuclein (alpha-syn) assumed a prominent role as a major component and seeding structure of Lewy bodies (LBs). This concept is driving ongoing research on the pathophysiology of Parkinson’s disease (PD). In line with this, alpha-syn is considered to [...] Read more.
In the last two decades, alpha-synuclein (alpha-syn) assumed a prominent role as a major component and seeding structure of Lewy bodies (LBs). This concept is driving ongoing research on the pathophysiology of Parkinson’s disease (PD). In line with this, alpha-syn is considered to be the guilty protein in the disease process, and it may be targeted through precision medicine to modify disease progression. Therefore, designing specific tools to block the aggregation and spreading of alpha-syn represents a major effort in the development of disease-modifying therapies in PD. The present article analyzes concrete evidence about the significance of alpha-syn within LBs. In this effort, some dogmas are challenged. This concerns the question of whether alpha-syn is more abundant compared with other proteins within LBs. Again, the occurrence of alpha-syn compared with non-protein constituents is scrutinized. Finally, the prominent role of alpha-syn in seeding LBs as the guilty structure causing PD is questioned. These revisited concepts may be helpful in the process of validating which proteins, organelles, and pathways are likely to be involved in the damage to meso-striatal dopamine neurons and other brain regions involved in PD. Full article
(This article belongs to the Special Issue Neuronal Inclusions in Neurodegeneration)
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