Пренебрежение ролью семейства цитокиновых IL-20 в нейродегенеративных заболеваниях: механизмы и терапевтические осмысления.
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Goleij Pouya, Amini Alireza, Tabari Mohammad Amin Khazeei, Hadipour Mahboube, Rezaee Aryan, Daglia Maria, Aschner Michael, Sanaye Pantea Majma, Kumar Alan Prem, Khan Haroon
Аннотация
Оригинал публикации
Unraveling the role of the IL-20 cytokine family in neurodegenerative diseases: Mechanisms and therapeutic insights.
The IL-20 cytokine family, comprising IL-19, IL-20, IL-22, IL-24, and IL-26, has emerged as a critical player in the pathogenesis of neurodegenerative diseases due to its multiple roles in inflammation, tissue repair, and immune modulation. These cytokines signal through IL-20 receptor complexes (IL-20RA/IL-20RB and IL-22RA1/IL-20RB), triggering diverse immune processes. Recent evidence highlights their significant contributions to neuroinflammation and neurodegeneration in central nervous system disorders. IL-20 family cytokines impact microglial activation, which, when dysregulated, exacerbates neuronal damage. Specifically, IL-20 and IL-24 are linked to elevated pro-inflammatory markers in glial cells, promoting neurodegeneration. In contrast, IL-22 exhibits dual functionality, exerting protective and pathological roles depending on the inflammatory milieu. Key mechanisms involve the regulation of blood-brain barrier integrity, oxidative stress, and autophagy. IL-22 and IL-24 also protect neurons by enhancing antioxidant defenses and maintaining epithelial barrier function, while their dysregulation contributes to blood-brain barrier disruption and protein aggregate accumulation, hallmark features of Alzheimer's disease, Parkinson's disease, and multiple sclerosis. Elevated IL-22 levels in Alzheimer's disease and IL-19's regulatory role in multiple sclerosis suggest they may serve as potential biomarkers and therapeutic targets. IL-26's role in amplifying inflammatory cascades further underscores the complexity of this cytokine family in neurodegenerative pathology. Therapeutically, strategies targeting IL-20 cytokines include monoclonal antibodies, receptor modulation, and recombinant cytokine administration. These approaches aim to mitigate neuroinflammation, restore immune balance, and protect neuronal integrity. This review underscores the IL-20 family's emerging relevance in neurodegenerative diseases, highlighting its potential for novel diagnostic and therapeutic strategies.