Blood:CD137缺陷是一种新型先天性免疫缺陷,与早发型淋巴瘤相关

2019-09-10 MedSci MedSci原创

中心点:CD137缺陷是一种新发的先天免疫缺陷,伴有免疫失调和EB病毒相关的淋巴发育不良。本研究强调了CD137在免疫平衡中的关键作用,与免疫缺陷和癌症免疫治疗相关。摘要:免疫反应失调是导致癌症、自身免疫和免疫缺陷等多种疾病的本质原因。本研究对4位来自无亲缘关系的家庭的患者进行研究,这4位患者表现为免疫缺陷、自身免疫病和恶性肿瘤。研究人员在编码肿瘤坏死因子超家族成员CD137/4-1BB的TNFR

中心点:

CD137缺陷是一种新发的先天免疫缺陷,伴有免疫失调和EB病毒相关的淋巴发育不良。

本研究强调了CD137在免疫平衡中的关键作用,与免疫缺陷和癌症免疫治疗相关。

摘要:

免疫反应失调是导致癌症、自身免疫和免疫缺陷等多种疾病的本质原因。本研究对4位来自无亲缘关系的家庭的患者进行研究,这4位患者表现为免疫缺陷、自身免疫病和恶性肿瘤。

研究人员在编码肿瘤坏死因子超家族成员CD137/4-1BB的TNFRSF9基因上筛选出4个不同的纯合突变,导致蛋白表达缺失或减少。对免疫监测至关重要的淋巴细胞反应,包括活化、增殖和分化,均受到了影响。

CD137基因重组可逆转上述缺陷。CD137缺乏症是一种新的先天免疫缺陷,其特征是淋巴细胞缺陷合并早发型EB病毒相关性淋巴瘤

总而言之,本研究阐明了CD137在人类免疫稳态和抗肿瘤反应中的功能作用和相关性。

原始出处:

Ido Somekh, et al.CD137 deficiency causes immune dysregulation with predisposition to lymphomagenesis.Blood 2019 :blood.2019000644; doi: https://doi.org/10.1182/blood.2019000644

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    2020-03-29 cqlidoudou
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    2019-10-02 hyf028
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    2019-09-12 huirong
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Blood:GATA6过表达可诱导CD137配体异常表达,进而促进皮肤T细胞淋巴瘤进展

中心点:GATA6过表达可诱导异常CD137配体(CD137L)在皮肤T细胞淋巴瘤(CTCL)的肿瘤细胞上表达。在CTCL细胞中,CD137-CD137L相互作用促进细胞增殖和迁移,或许可作为治疗靶点。摘要:CD137及其配体CD137L,分别在活化的T细胞和抗原提呈细胞上表达。近期研究表明CD137L和CD137在肿瘤细胞中异常表达,特别是某些血液恶性肿瘤,这些分子在肿瘤细胞上相互作用可促进肿瘤