J Allergy Clin Immunol:研究揭示spesolimab治疗脓疱型银屑病的分子机制

2022-05-01 sunshine MedSci原创

IL-36通路在泛发性脓疱型银屑病(GPP)的发病机制中起着关键作用。使用spesolimab(一种抗IL-36受体抗体)治疗,可使出现GPP发作的患者的皮肤和脓疱迅速清除。

IL-36通路在泛发性脓疱型银屑病(GPP)的发病机制中起着关键作用。在一项概念验证的临床试验中,使用spesolimab(一种抗IL-36受体抗体)治疗,可使出现GPP发作的患者的皮肤和脓疱迅速清除。近日,发表于J Allergy Clin Immunol的一项研究中,研究人员试图比较GPP或掌跖脓疱病(PPP)患者的皮损和非皮损皮肤与健康志愿者的皮肤的分子谱,并调查GPP发作患者的皮肤和血液在接受spesolimab治疗后的分子变化。

研究人员从参加单臂I期研究的GPP患者那里收集治疗前和治疗后的皮肤和血液样本(n = 7)。从PPP患者(n = 8)和健康志愿者(n = 16)处获得皮肤活检,用于与基线数据做比较。通过RNA测序、组织病理学和免疫组织化学进行生物标志物的评估。

 

结果,在GPP和PPP病变中,1287个转录物表达上调或下调。在未经治疗的GPP和PPP病变中,IL-36信号通路的部分转录物的表达上调。在GPP患者中,IL-36通路相关的标志、TH1/TH17和先天性炎症信号、嗜中性介质和角质细胞驱动的炎症通路早在第1周就被Spesolimab下调。此外,Spesolimab还减少了相关的血清生物标志物和GPP患者皮损中的细胞群,包括CD3+T、CD11c+和IL-36γ+细胞以及表达脂联素2的细胞。

综上所述,该研究结果表明,在GPP患者中,spesolimab干预治疗可快速调节GPP和PPP患者中常见的失调的分子通路,这可能与其能改善这类患者的临床结果有关。

 

原始出处:

 

Patrick Baum, et al., Pustular psoriasis: Molecular pathways and effects of spesolimab in generalized pustular psoriasis. J Allergy Clin Immunol. 2022 Apr;149(4):1402-1412. doi: 10.1016/j.jaci.2021.09.035.

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    2022-07-26 snf701207
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    2022-07-17 feather89
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    2022-05-02 膀胱癌
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    2022-05-02 hongbochen

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