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通过使用光式氨酸和紫外线光来调节IL-24/IL-20R2复合形成

Phuong Ngoc Pham1,2, Jiří Zahradník3,4, Lucie Kolářová1

  • 1Laboratory of Biomolecular Recognition, Institute of Biotechnology of the Czech Academy of Sciences, Vestec, Czechia.

Frontiers in molecular biosciences
|July 24, 2023
PubMed

Insights

研究人员开发了一种方法来控制人体中白蛋白24 (IL-24) 用光与其受体的结合. 这种技术允许精确调节IL-24相互作用,可能有助于自身免疫性疾病和癌症治疗.

科学领域:

  • 生物化学 生物化学
  • 分子生物学分子生物学
  • 免疫学 免疫学 免疫学

背景情况:

  • 人类介质素24 (IL-24) 是自身免疫性疾病和癌症中的关键细胞因子.
  • IL-24的功能依赖于它与膜受体的相互作用.
  • 调节IL-24受体亲和力提供了治疗和研究潜力.

研究的目的:

  • 开发一种用于光控制IL-24及其受体IL-20R2.2.之间的结合亲和力的方法.
  • 为了证明使用遗传密码扩展用于光感应蛋白相互作用的可行性.

主要方法:

  • 利用复合溶性蛋白质变体和遗传密码扩展技术.
  • 在IL-24和IL-20R中引入了非正规的正极-尼托-氨酸 (NBY) 残留物2.
  • 采用生物物理和细胞信号测试来选NBY残留位置.

主要成果:

  • 确定IL-20R2的tyrosine70作为NBY安装的关键地点.
  • 在IL-20R2的tyrosine70下NBY在黑暗中损害了异构复合体组合.
  • 365nm光辐射恢复了IL-24和IL-20R2结合的过程.

结论:

  • 成功开发了一种光IL-20R2变体,用于光控制的IL-24结合.
  • 这种方法使IL-24信号通路的时空调节成为可能,例如JAK/STAT酸化.
  • 在基础研究和治疗策略中对IL-24相关疾病的潜在应用.
抽象的

No abstract available in PubMed .

关键词:
细胞因子 细胞因子遗传编码的非正规氨基酸 (ncAA)介质蛋白-24 介质蛋白-24视光结合剂的结合剂.整形-尼特罗基铁素 (NBY) 是一种摄影中的蛋白质.摄影类蛋白质工程 摄影类蛋白质工程蛋白质与蛋白质相互作用 (PPI)

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