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Mitochondrial Footprint in Neurological Pathology

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: 30 April 2024 | Viewed by 870

Special Issue Editor

Special Issue Information

Dear Colleagues,

Neurological disorder is an umbrella term for a range of brain and spinal cord diseases primarily characterized by progressive deterioration in the structure and/or functioning of neuronal cells. Neurological disorders encompass a variety of pathological conditions including (but not limited to) Alzheimer’s disease, Parkinson’s disease, amyotrophic lateral sclerosis, ataxia, stroke, and epilepsy. Affecting hundreds of millions of people worldwide, neurological diseases are considered a leading cause of disability and the second leading cause of death worldwide. Despite their different symptomatology and pathological nature, most neurological disorders are accompanied by alterations in mitochondrial biology. Considered the “cell’s powerhouse”, mitochondria also fulfill several other physiological functions, such as modulation of ionic homeostasis, oxidation of carbohydrates and fatty acids, and regulation of cell death, making these organelles vital for proper neuronal functioning.

The Special Issue “Mitochondrial Footprint in Neurological Pathology” aims to provide a comprehensive and updated overview of the involvement of mitochondria in the pathological course of neurological disorders, and to highlight recent scientific breakthroughs on diagnostic biomarkers, pathophysiological mechanisms, and novel therapeutic interventions. That said, contributions from experts in the field in the form of original research or review articles are welcomed in this Special Issue.

Dr. Sónia Catarina Correia
Guest Editor

Manuscript Submission Information

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Keywords

  • neurological disorders
  • mitochondrial bioenergetics
  • mitochondrial dynamics
  • immunometabolism
  • biomarkers
  • mitochondrial medicine

Published Papers (1 paper)

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Research

15 pages, 4988 KiB  
Article
Nocardia cyriacigeorgica Elicits Gut Disturbances in a Leaky Gut Model of Colitis, but Not the Harmful Cascade Leading to Gut-First Parkinson’s Disease
by João Duarte Magalhães, Emanuel Candeias, Inês Melo-Marques, António E. Abreu, Ana Raquel Pereira-Santos, Ana Raquel Esteves, Sandra Morais Cardoso and Nuno Empadinhas
Int. J. Mol. Sci. 2024, 25(6), 3423; https://doi.org/10.3390/ijms25063423 - 18 Mar 2024
Viewed by 630
Abstract
Parkinson’s disease (PD) is a progressive neurodegenerative disorder with an unknown cause. Recent research has highlighted the importance of the gut in neuronal and immune maturation through the exchange of nutrients and cellular signals. This has led to the “gut-first PD” hypothesis, which [...] Read more.
Parkinson’s disease (PD) is a progressive neurodegenerative disorder with an unknown cause. Recent research has highlighted the importance of the gut in neuronal and immune maturation through the exchange of nutrients and cellular signals. This has led to the “gut-first PD” hypothesis, which aims to explain many of the sporadic cases and their prodromal intestinal symptoms, such as constipation and intestinal α-synuclein (aSyn) aggregation. The link between mitochondrial dysfunction and aSyn deposition is central to PD pathophysiology, since they can also trigger pro-inflammatory signals associated with aSyn deposition, potentially contributing to the onset of PD. As mitochondria are derived from ancestral alpha-proteobacteria, other bacteria may specifically target this organelle. We sought to use Nocardia cyriacigeorgica, a bacterium previously associated with parkinsonism, and dextran sulfate sodium (DSS) as pro-inflammatory modulators to gain further insight into the onset of PD. This study indicates that aSyn aggregation plus mitochondrial dysfunction without intestinal barrier leakage are not sufficient to trigger gut-first PD. Full article
(This article belongs to the Special Issue Mitochondrial Footprint in Neurological Pathology)
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