TSPAN33 is a novel marker of activated and malignant B cells.

TSPAN33 is a novel marker of activated and malignant B cells.
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DOI:
10.1016/j.clim.2013.08.005
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发表时间:
2013-12
期刊:
Clinical immunology (Orlando, Fla.)
影响因子:
--
通讯作者:
Zlotnik A
Zlotnik A
中科院分区:
其他
文献类型:
--
作者:
Luu VP;Hevezi P;Vences-Catalan F;Maravillas-Montero JL;White CA;Casali P;Llorente L;Jakez-Ocampo J;Lima G;Vilches-Cisneros N;Flores-Gutiérrez JP;Santos-Argumedo L;Zlotnik A

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我们已经确定Tspan33是一个编码跨膜蛋白的基因,它表现出限制性表达模式,包括在激活的B细胞中表达。TSPAN33是Tetraspanin家族的成员。TSPAN33在静息B细胞中不表达,但在原代人B细胞激活后强烈诱导表达。人类2e2细胞是Burkitt淋巴瘤衍生的B细胞活化和分化的模型,在激活时也上调TSPAN33。TSPAN33在包括霍奇金淋巴瘤和弥漫性大B细胞淋巴瘤在内的多种淋巴瘤中均有表达。TSPAN33也在一些B细胞参与病理的自身免疫性疾病中表达,包括类风湿性关节炎患者、系统性红斑狼疮(SLE),以及MRL/Faslpr/LPR小鼠(SLE的小鼠模型)的脾B细胞。我们认为,TSPAN33可作为诊断生物标志物或作为治疗性抗体的靶点,用于某些B细胞淋巴瘤或自身免疫性疾病的治疗。
We have identified Tspan33 as a gene encoding a transmembrane protein exhibiting a restricted expression pattern including expression in activated B cells. TSPAN33 is a member of the tetraspanin family. TSPAN33 is not expressed in resting B cells, but is strongly induced in primary human B cells following activation. Human 2E2 cells, a Burkitt’s lymphoma-derived B cell model of activation and differentiation, also upregulate TSPAN33 upon activation. TSPAN33 is expressed in several lymphomas including Hodgkin’s and Diffuse large B Cell Lymphoma. TSPAN33 is also expressed in some autoimmune diseases where B cells participate in the pathology, including rheumatoid arthritis patients, systemic lupus erythematosus (SLE), and in spleen B cells from MRL/Faslpr/lpr mice (a mouse model of SLE). We conclude that TSPAN33 may be used as a diagnostic biomarker or as a target for therapeutic antibodies for treatment of certain B cell lymphomas or autoimmune diseases.
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