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Neurodegenerative Diseases: From Molecular Mechanisms to Pathophysiology (Second Edition)

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: 31 July 2025 | Viewed by 701

Special Issue Editor

Equipe 5, Neurobiologie des Comportements Alimentaires/Neurobiology of Feeding Behaviours 9E, Boulevard Jeanne d'Arc, 21000 Dijon, France
Interests: oxysterols; very-long-chain fatty acids; lipid metabolism; diet; peroxisomes; biotherapies; inflammation; cancer; cell cycle and apoptosis; autophagy; biological membranes; oxidative damage; biomarkers; neurodegenerative diseases
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Special Issue Information

Dear Colleagues,

Neurodegenerative diseases are defined as the progressive degeneration or death of neurons in the central or peripheral nervous system. Genetic, environmental, and lifestyle factors all contribute to the development of neurodegenerative diseases. Most neurodegenerative diseases remain incurable despite treatment enabling the slowing of their progression.

Common processes contributing to neuronal degeneration exist, but the molecular mechanisms behind neurodegenerative diseases remain complex and varied. Neurodegenerative processes and neuronal disorders can also occur peripherally, outside the brain, in places such as the spinal cord, retina, and enteric nervous system. These phenomes can reflect and/or affect what is happening in the brain. The consequences of these conditions are progressive decline and abnormalities in perceptual, cognitive, motor, behavioral, and social abilities.

Neurodegenerative diseases are a major threat to public health. These diseases generally occur in the elderly. However, longer life expectancy and lower birth rates are leading to an increase in the prevalence of these disorders in middle age and a worsening health and economic burden for society.

Therefore, we need to know as much as possible about the molecular mechanisms involved in these diseases, including those that are common and specific to each pathology. A better understanding of the functioning of the blood–brain barrier and its specific features is also important in the search for new drugs. In short, we need to know more about the pathophysiology of these neurodegenerative diseases.

Dr. Anne Vejux
Guest Editor

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Keywords

  • neurodegenerative diseases
  • molecular mechanisms
  • physiology
  • cell death
  • autophagy
  • oxidative stress
  • inflammation
  • genetic factors
  • diet
  • cognitive functions
  • exosomes
  • blood–brain barrier
  • immunity

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Review

32 pages, 1569 KiB  
Review
Parkinson Disease Signaling Pathways, Molecular Mechanisms, and Potential Therapeutic Strategies: A Comprehensive Review
by Muhammad S. Khan, Somayyeh Nasiripour and Jean C. Bopassa
Int. J. Mol. Sci. 2025, 26(13), 6416; https://doi.org/10.3390/ijms26136416 - 3 Jul 2025
Viewed by 534
Abstract
Parkinson’s disease (PD) is considered the second most common neurodegenerative disease worldwide; treating this disease remains quite challenging. Environmental and genetic factors may play a role in the pathophysiology of PD. α-synuclein aggregation, oxidative stress, ferroptosis, mitochondrial failure, neuroinflammation, and gut dysbiosis are [...] Read more.
Parkinson’s disease (PD) is considered the second most common neurodegenerative disease worldwide; treating this disease remains quite challenging. Environmental and genetic factors may play a role in the pathophysiology of PD. α-synuclein aggregation, oxidative stress, ferroptosis, mitochondrial failure, neuroinflammation, and gut dysbiosis are among the known risk factors of PD. The pathophysiology of Parkinson’s disease is complicated by the interconnections between these molecular pathways, which also present significant obstacles to treatment development. However, due to its complex mechanism and long latency, PD is difficult to diagnose and detect, which presents a barrier to treatment. In addition, the need to develop new treatments for PD is increased by the fact that the majority of traditional therapeutic methods have major side effects and limited effects. Therefore, a deeper understanding of the fundamental mechanisms underlying PD is required. This review provides a comprehensive analysis of the current landscape of PD pathophysiology, paying particular attention to the molecular processes of PD, as well as the traditional research models, clinical diagnostic standards, documented medication therapeutic approaches, and recently disclosed drug candidates in clinical trials. We also highlighted the herbal-derived components that have recently been identified for their effects in the treatment of PD to provide a review and perspectives for the development of the next generation of drugs and preparations for the treatment of PD. Full article
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