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Aberrant Ganglioside Functions to Underpin Dysregulated Myelination, Insulin Signalling, and Cytokine Expression: Is There a Link and a Room for Therapy?

期刊

BIOMOLECULES
卷 12, 期 10, 页码 -

出版社

MDPI
DOI: 10.3390/biom12101434

关键词

major brain gangliosides; neurodevelopmental disorders; neuroinflammation; myelination; insulin receptor signalling; mice

资金

  1. Eat2beNice EU framework
  2. PhytoAPP EU framework
  3. Swiss-RF program-2020
  4. Priority Program-2030
  5. European Union's Horizon 2020 research and innovation programme [728018]
  6. European Union's HORIZON 2020 research and innovation programme under the Marie Sklodowvska-Curie grant [101007642]
  7. [FGFU-2022-0012]
  8. [FGFU-2022-0013]
  9. H2020 Societal Challenges Programme [728018] Funding Source: H2020 Societal Challenges Programme
  10. Marie Curie Actions (MSCA) [101007642] Funding Source: Marie Curie Actions (MSCA)

向作者/读者索取更多资源

Gangliosides play important roles in neural development and function, and their dysfunction is associated with neurological disorders and psychiatric conditions. Abnormal ganglioside function can result in neuroinflammation, aberrant myelination, and altered insulin receptor signaling. Understanding the role of gangliosides in developmental neuropsychiatric disorders is of great clinical significance.
Gangliosides are molecules widely present in the plasma membranes of mammalian cells, participating in a variety of processes, including protein organization, transmembrane signalling and cell adhesion. Gangliosides are abundant in the grey matter of the brain, where they are critically involved in postnatal neural development and function. The common precursor of the majority of brain gangliosides, GM3, is formed by the sialylation of lactosylceramide, and four derivatives of its a-and b-series, GM1, GD1a, GD1b and GT1b, constitute 95% of all the brain gangliosides. Impairments in ganglioside metabolism due to genetic abnormalities of GM-synthases are associated with severe neurological disorders. Apart from that, the latest genome-wide association and translational studies suggest a role of genes involved in brain ganglioside synthesis in less pervasive psychiatric disorders. Remarkably, the most recent animal studies showed that abnormal ganglioside functions result in dysregulated neuroinflammation, aberrant myelination and altered insulin receptor signalling. At the same time, these molecular features are well established as accompanying developmental psychiatric disorders such as attention-deficit hyperactivity disorder (ADHD) and autism spectrum disorders (ASD). This led us to hypothesize a role of deficient ganglioside function in developmental neuropsychiatric disorders and warrants further gene association clinical studies addressing this question. Here, we critically review the literature to discuss this hypothesis and focus on the recent studies on ST3GAL5-deficient mice. In addition, we elaborate on the therapeutic potential of various anti-inflammatory remedies for treatment of developmental neuropsychiatric conditions related to aberrant ganglioside functions.

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