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Treatment of Neurodegenerative Diseases with Natural Products

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

Deadline for manuscript submissions: closed (31 March 2025) | Viewed by 602

Special Issue Editor

College of Korean Medicine, Gachon University, Seongnam-si 13120, Gyeonggi-do, Korea
Interests: neurodegenerative diseases; metabolomics; drug-drug interaction; gut-brain axis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Neurodegenerative diseases are diseases whose prevalence is increasing due to the aging of society. Various genetic and environmental risk factors of neurodegenerative diseases exist, and they interact sophisticatedly. Since the mechanisms involved in the pathologies of neurodegenerative diseases are complicated, recently, the use of natural products for treating neurodegenerative diseases has been attracting attention. Natural products consist of extracts, fractions, or active compounds of one or more plants. Uncovering the mechanism of action of a natural product with multiple functions against neurodegenerative diseases can provide new clues for the treatment. Among the mechanisms involved in these pathologies, it is important to determine whether natural products can thwart such mechanisms as inflammation, oxidative stress, cell death, and misfolding protein accumulation. In particular, research on microbiota–gut–brain axis-mediated mechanisms of action of natural products on neurodegenerative diseases is also welcome, which has recently been attracting attention.

This Special Issue will consider papers presenting effects and mechanisms of action of natural products for various neurodegenerative diseases such as Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, amyothrophic lateral sclerosis, and multiple sclerosis. In addition to in vivo, in vitro, and in silico studies, articles utilizing clinical evidence (systematic reviews or meta-analysis) are welcome.

Dr. Eugene Huh
Guest Editor

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Keywords

  • neurodegenerative diseases
  • natural product
  • misfolding protein aggregation
  • oxidative stress
  • neuroinflammation
  • autophagy
  • apoptosis
  • microbiota–gut–brain axis
  • therapeutic
  • prevention

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Published Papers (1 paper)

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Research

19 pages, 9700 KiB  
Article
Kumquat Fruit Administration Counteracts Dysmetabolism-Related Neurodegeneration and the Associated Brain Insulin Resistance in the High-Fat Diet-Fed Mice
by Alessandro Massaro, Pasquale Calvi, Ignazio Restivo, Marta Giardina, Flavia Mulè, Luisa Tesoriere, Antonella Amato, Domenico Nuzzo, Pasquale Picone, Simona Terzo and Mario Allegra
Int. J. Mol. Sci. 2025, 26(7), 3077; https://doi.org/10.3390/ijms26073077 - 27 Mar 2025
Viewed by 377
Abstract
Metabolic disorders and brain insulin resistance (IR) are major risk factors for the development of neurodegenerative conditions. Kumquat fruit (KF) administration has demonstrated significant anti-dysmetabolic effects, improving peripheral IR in murine models of metabolic syndrome. Along these lines, this study evaluated the neuroprotective [...] Read more.
Metabolic disorders and brain insulin resistance (IR) are major risk factors for the development of neurodegenerative conditions. Kumquat fruit (KF) administration has demonstrated significant anti-dysmetabolic effects, improving peripheral IR in murine models of metabolic syndrome. Along these lines, this study evaluated the neuroprotective effects of KF supplementation in a model of dysmetabolism-induced neuronal damage and its ability to counteract the disruption of brain insulin signalling. To this end, biochemical and histological analysis assessed neuroapoptosis, disruption of brain insulin signalling and neuroinflammation in a model of high-fat diet (HFD)-induced neuronal damage. Our findings demonstrate, for the first time, that KF supplementation significantly counteracts HFD-induced neuroapoptosis downregulating pro-apoptotic genes (FAS-L, BIM and P27) and upregulating the anti-apoptotic ones (BDNF and BCL-2). Coherently, KF positively influenced the expression of selected genes related to Alzheimer’s Disease. Relevantly, these effects were associated to KF ability to restore brain insulin signalling by increasing insulin receptor expression, reducing IRS-1 serine phosphorylation, enhancing both AKT activation and GSK-3β inactivation. Accordingly, KF suppressed HFD-neuroinflammation, counteracting the overexpression of NF-κB and its downstream enzymatic products, iNOS and COX-2. Collectively, these findings demonstrate the neuroprotective benefits of KF administration, supporting its potential as a dietary intervention for dysmetabolic-related neurodegenerative disorders. Full article
(This article belongs to the Special Issue Treatment of Neurodegenerative Diseases with Natural Products)
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