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CGF therapy: bridging androgenetic alopecia observations to psoriasis treatment via IL-17 pathway

银屑病 桥接(联网) 医学 皮肤病科 干细胞 生物 计算机科学 细胞生物学 计算机网络
作者
Qin Xiao,Weifang Chu,Jing Guo,Guojun Jin,Wei Yao,Minghuan Huang,Yongzhou Lu,Qiannan Xu,Nan Xu
出处
期刊:Stem Cell Research & Therapy [Springer Nature]
卷期号:15 (1)
标识
DOI:10.1186/s13287-024-03959-y
摘要

Concentrated Growth Factor (CGF), rich in CD34 + stem cells, is widely used in treatments for androgenetic alopecia and skin rejuvenation due to its immune-modulating properties. Psoriasis, a chronic inflammatory skin condition, presents significant treatment challenges, particularly for patients who cannot use biologics due to conditions such as cancer and lesions resistant to treatments. The potential of CGF in treating psoriasis is promising, given its broad immunoregulatory effects which confirmed in our previous androgenetic alopecia work. We evaluated the impact of CGF on IL-17 levels in two contexts: patients treated for androgenetic alopecia and a psoriasis mouse model. Twelve patients received three monthly injections of CGF, with serum IL-17 levels measured before and after treatment. In the psoriasis mouse model, groups were treated with CGF, and outcomes were assessed using the Psoriasis Area and Severity Index (PASI), skin barrier scores, histological analysis, and RNA sequencing. Additionally, in vitro experiments applied CD34 + cells from CGF to keratinocytes to measure levels of TNF-α, IFN-γ, IL-23, and IL-17. In patients with androgenetic alopecia, three monthly CGF injections resulted in significantly reduced serum IL-17 levels. In the psoriatic mouse model, CGF-treated groups exhibited lower PASI scores and improved skin barrier scores compared to controls. Histological analysis revealed enhanced skin characteristics, while RNA sequencing demonstrated downregulated IL-17 and upregulated CD34 expression, as well as improved expression of barrier-related genes. In vitro, the application of CD34 + cells from CGF to keratinocytes led to a significant reduction in TNF-α, IFN-γ, IL-23, and IL-17 levels, indicating strong anti-inflammatory effects. A clinical case of a psoriasis patient unresponsive to IL-23 therapy (Guselkumab) showed significant improvement following CGF treatment. These findings indicate that CGF could serve as an effective and versatile treatment for psoriasis, especially for patients who have already undergone biologic therapies but continue to experience resistant lesions.
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