Advanced Glycation End Products-Induced Activation of Keratinocytes : A Mechanism Underlying Cutaneous Immune Response in Psoriasis
© 2023 The Author(s). Published by S. Karger AG, Basel..
Psoriasis is a common inflammatory skin disease, in which epidermal keratinocytes play a vital role in its pathogenesis by acting both as the responder and as the accelerator to the cutaneous psoriatic immune response. Advanced glycation end products (AGEs) are a class of proinflammatory metabolites that are commonly accumulating in cardiometabolic disorders. Recent studies have also observed the increased level of AGEs in the serum and skin of psoriasis patients, but the role of AGEs in psoriatic inflammation has not been well investigated. In the present study, we initially detected abnormal accumulation of AGEs in epidermal keratinocytes of psoriatic lesions collected from psoriasis patients. Furthermore, AGEs promoted the proliferation of keratinocytes via upregulated Keratin 17 (K17)-mediated p27KIP1 inhibition followed by accelerated cell cycle progression. More importantly, AGEs facilitated the production of interleukin-36 alpha (IL-36α) in keratinocytes, which could enhance T helper 17 (Th17) immune response. In addition, the induction of both K17 and IL-36α by AGEs in keratinocytes was dependent on the activation of signal transducer and activator of transcription 1/3 (STAT1/3) signaling pathways. At last, the effects of AGEs on keratinocytes were mediated by the receptor for AGEs (RAGE). Taken together, these findings support that AGEs potentiate the innate immune function of keratinocytes, which contributes to the formation of psoriatic inflammation. Our study implicates AGEs as a potential pathogenic link between psoriasis and cardiometabolic comorbidities.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
Journal of innate immunity - 15(2023), 1 vom: 21., Seite 876-892 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Kang, Pan [VerfasserIn] |
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| Links: |
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| Themen: |
Advanced glycation end products |
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| Anmerkungen: |
Date Completed 26.12.2023 Date Revised 26.12.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1159/000534639 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM364804114 |
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| 520 | |a Psoriasis is a common inflammatory skin disease, in which epidermal keratinocytes play a vital role in its pathogenesis by acting both as the responder and as the accelerator to the cutaneous psoriatic immune response. Advanced glycation end products (AGEs) are a class of proinflammatory metabolites that are commonly accumulating in cardiometabolic disorders. Recent studies have also observed the increased level of AGEs in the serum and skin of psoriasis patients, but the role of AGEs in psoriatic inflammation has not been well investigated. In the present study, we initially detected abnormal accumulation of AGEs in epidermal keratinocytes of psoriatic lesions collected from psoriasis patients. Furthermore, AGEs promoted the proliferation of keratinocytes via upregulated Keratin 17 (K17)-mediated p27KIP1 inhibition followed by accelerated cell cycle progression. More importantly, AGEs facilitated the production of interleukin-36 alpha (IL-36α) in keratinocytes, which could enhance T helper 17 (Th17) immune response. In addition, the induction of both K17 and IL-36α by AGEs in keratinocytes was dependent on the activation of signal transducer and activator of transcription 1/3 (STAT1/3) signaling pathways. At last, the effects of AGEs on keratinocytes were mediated by the receptor for AGEs (RAGE). Taken together, these findings support that AGEs potentiate the innate immune function of keratinocytes, which contributes to the formation of psoriatic inflammation. Our study implicates AGEs as a potential pathogenic link between psoriasis and cardiometabolic comorbidities | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Advanced glycation end products | |
| 650 | 4 | |a Interleukin-36 alpha | |
| 650 | 4 | |a Keratinocyte | |
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| 700 | 1 | |a Wang, Shiyu |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Shaolong |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Shuli |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Sen |e verfasserin |4 aut | |
| 700 | 1 | |a Song, Pu |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Ling |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Gang |e verfasserin |4 aut | |
| 700 | 1 | |a Gao, Tianwen |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Weigang |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Chunying |e verfasserin |4 aut | |
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