Ginsenoside Compound K Reduces Psoriasis-related Inflammation by Activation of the Glucocorticoid Receptor in Keratinocytes
Copyright© Bentham Science Publishers; For any queries, please email at epubbenthamscience.net..
AIM: To investigate the effects and mechanism of Ginsenoside Compound K (GCK) on psoriasis, focusing on the glucocorticoid receptor (GR) in keratinocytes.
METHODS: An imiquimod (IMQ)-induced psoriasis-like dermatitis mouse model was generated to evaluate the anti-inflammatory effect of GCK. Hematoxylin and eosin (H&E) staining was used to assess skin pathological changes. Protein expression of K17 and p-p65 in mice skin was assayed by immunohistochemical. Protein expression and phosphorylation of p65 IκB were assayed by Western blot. Protein expression of K1, K6, K10, K16, K17, and GR were assayed by Western blot and immunofluorescence. Enzyme-linked immunosorbent assay (ELISA) was used to determine cytokine levels of TNF-α, IL-6, CXCL-8, and ICAM-1. Real-time polymerase chain reaction (RT-PCR) was used to quantify TNF-α, IL-6, IL-8, and ICAM-1 mRNA expression. Cell viability was determined by Cell Counting Kit-8(CCK-8) assay. A high-content cell-imaging system was used to assay cell proliferation. Nuclear translocation of p65 and GR was assayed by imaging flow cytometry and immunofluorescence microscopy. Small interfering RNA was used to confirm the role of GR in the anti-inflammatory and immunoregulatory effect of GCK in normal human epidermal keratinecytes (NHEKs).
RESULTS: GCK reduced the psoriasis area, severity index, and epidermal thickening in IMQ-induced mice. GCK significantly attenuated the mRNA levels of IL-6, IL-8, TNF-α, and ICAM-1 and reduced epidermal hyperproliferation in the skin of IMQ-induced mice. GCK inhibited in vitro activation of NF-κB, leading to attenuated release of inflammatory mediators (IL-6, IL-8, TNF-α, and ICAM-1) and suppression of NHEK hyperproliferation and abnormal differentiation. These inhibitory effects of GCK were diminished by GR silencing in NHEKs.
CONCLUSION: GCK suppressed psoriasis-related inflammation by suppressing keratinocyte activation, which may be related to promoting GR nuclear translocation and inhibiting NF-κB activation. In summary, GCK appears to be a GR activator and a promising therapeutic candidate for antipsoriatic agents.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:17 |
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| Enthalten in: |
Current molecular pharmacology - 17(2024) vom: 21. Feb., Seite e18761429254358 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Wu [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 26.02.2024 Date Revised 26.02.2024 published: Print Citation Status MEDLINE |
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| doi: |
10.2174/0118761429254358231120135400 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM368794091 |
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| 245 | 1 | 0 | |a Ginsenoside Compound K Reduces Psoriasis-related Inflammation by Activation of the Glucocorticoid Receptor in Keratinocytes |
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| 500 | |a Date Revised 26.02.2024 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright© Bentham Science Publishers; For any queries, please email at epubbenthamscience.net. | ||
| 520 | |a AIM: To investigate the effects and mechanism of Ginsenoside Compound K (GCK) on psoriasis, focusing on the glucocorticoid receptor (GR) in keratinocytes | ||
| 520 | |a METHODS: An imiquimod (IMQ)-induced psoriasis-like dermatitis mouse model was generated to evaluate the anti-inflammatory effect of GCK. Hematoxylin and eosin (H&E) staining was used to assess skin pathological changes. Protein expression of K17 and p-p65 in mice skin was assayed by immunohistochemical. Protein expression and phosphorylation of p65 IκB were assayed by Western blot. Protein expression of K1, K6, K10, K16, K17, and GR were assayed by Western blot and immunofluorescence. Enzyme-linked immunosorbent assay (ELISA) was used to determine cytokine levels of TNF-α, IL-6, CXCL-8, and ICAM-1. Real-time polymerase chain reaction (RT-PCR) was used to quantify TNF-α, IL-6, IL-8, and ICAM-1 mRNA expression. Cell viability was determined by Cell Counting Kit-8(CCK-8) assay. A high-content cell-imaging system was used to assay cell proliferation. Nuclear translocation of p65 and GR was assayed by imaging flow cytometry and immunofluorescence microscopy. Small interfering RNA was used to confirm the role of GR in the anti-inflammatory and immunoregulatory effect of GCK in normal human epidermal keratinecytes (NHEKs) | ||
| 520 | |a RESULTS: GCK reduced the psoriasis area, severity index, and epidermal thickening in IMQ-induced mice. GCK significantly attenuated the mRNA levels of IL-6, IL-8, TNF-α, and ICAM-1 and reduced epidermal hyperproliferation in the skin of IMQ-induced mice. GCK inhibited in vitro activation of NF-κB, leading to attenuated release of inflammatory mediators (IL-6, IL-8, TNF-α, and ICAM-1) and suppression of NHEK hyperproliferation and abnormal differentiation. These inhibitory effects of GCK were diminished by GR silencing in NHEKs | ||
| 520 | |a CONCLUSION: GCK suppressed psoriasis-related inflammation by suppressing keratinocyte activation, which may be related to promoting GR nuclear translocation and inhibiting NF-κB activation. In summary, GCK appears to be a GR activator and a promising therapeutic candidate for antipsoriatic agents | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Anti-inflammation. | |
| 650 | 4 | |a Ginsenoside compound K | |
| 650 | 4 | |a Glucocorticoid receptor | |
| 650 | 4 | |a Keratinocytes | |
| 650 | 4 | |a Nuclear factor kappa-B | |
| 650 | 4 | |a Psoriasis | |
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| 650 | 7 | |a Receptors, Glucocorticoid |2 NLM | |
| 650 | 7 | |a NF-kappa B |2 NLM | |
| 650 | 7 | |a Tumor Necrosis Factor-alpha |2 NLM | |
| 650 | 7 | |a Interleukin-6 |2 NLM | |
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| 650 | 7 | |a Imiquimod |2 NLM | |
| 650 | 7 | |a P1QW714R7M |2 NLM | |
| 650 | 7 | |a Anti-Inflammatory Agents |2 NLM | |
| 650 | 7 | |a RNA, Messenger |2 NLM | |
| 650 | 7 | |a Ginsenosides |2 NLM | |
| 700 | 1 | |a Xu, Xiujin |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Mei |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Mengya |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Dandan |e verfasserin |4 aut | |
| 700 | 1 | |a Tang, Caihong |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Jingyu |e verfasserin |4 aut | |
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