Biallelic RIPK1 mutations in humans cause severe immunodeficiency, arthritis, and intestinal inflammation.

Biallelic RIPK1 mutations in humans cause severe immunodeficiency, arthritis, and intestinal inflammation.
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DOI:
10.1126/science.aar2641
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发表时间:
2018-08-24
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Nejentsev S
Nejentsev S
中科院分区:
其他
文献类型:
--
作者:
Cuchet-Lourenço D;Eletto D;Wu C;Plagnol V;Papapietro O;Curtis J;Ceron-Gutierrez L;Bacon CM;Hackett S;Alsaleem B;Maes M;Gaspar M;Alisaac A;Goss E;AlIdrissi E;Siegmund D;Wajant H;Kumararatne D;AlZahrani MS;Arkwright PD;Abinun M;Doffinger R;Nejentsev S

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受体相互作用丝氨酸/苏氨酸激酶1(RIPK 1)是导致炎症和细胞死亡的信号传导途径的主要调节剂,并且作为药物靶标具有医学意义。在这里,我们报告了来自三个不相关家族的四名患者,他们都是由罕见的纯合突变引起的RIPK 1完全缺乏症。这些患者患有反复感染、早发性炎症性肠病和进行性多关节炎。他们有免疫缺陷与淋巴细胞减少和改变生产的各种细胞因子揭示了全血化验。在体外,RIPK 1缺陷细胞表现出MAPK激活和细胞因子分泌受损,并且容易发生坏死性凋亡。造血干细胞移植逆转了1例患者的细胞因子产生缺陷并缓解了临床症状。因此,RIPK 1在人类免疫系统中起着关键作用。
Receptor Interacting Serine/Threonine Kinase 1 (RIPK1) is a master regulator of signaling pathways leading to inflammation and cell death and is of medical interest as a drug target. Here, we report four patients from three unrelated families with complete RIPK1 deficiency caused by rare homozygous mutations. The patients suffered from recurrent infections, early-onset inflammatory bowel disease and progressive polyarthritis. They had immunodeficiency with lymphopenia and altered production of various cytokines revealed by whole-blood assays. In vitro, RIPK1-deficient cells showed impaired MAPK activation and cytokine secretion and were prone to necroptosis. Hematopoietic stem cell transplantation reversed cytokine production defects and resolved clinical symptoms in one patient. Thus, RIPK1 plays a critical role in the human immune system.
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