J Clin Pathol:过氧化还原酶VI的高表达预示DLBCL的不良结局

2015-05-08 范伟译 MedSci原创

目的:弥漫性大B细胞淋巴瘤(DLBCL)是一个侵入性的和潜在的致命疾病。复发的风险预测多是基于临床指标。需要更精确的生物标记物来选择病人进行更激进的一线治疗。过氧化还原酶(Prxs)是强有力的抗氧化蛋白家族的一员。他们在弥漫性大B细胞淋巴瘤DLBCL的预后作用未知。 方法:对103例弥漫性大B细胞淋巴瘤患者的活检样本进行免疫组织化学染色,观察过氧化还原酶I,II,III,V和VI的表达。 结果

目的:弥漫性大B细胞淋巴瘤(DLBCL)是一个侵入性的和潜在的致命疾病。复发的风险预测多是基于临床指标。需要更精确的生物标记物来选择病人进行更激进的一线治疗。过氧化还原酶(Prxs)是强有力的抗氧化蛋白家族的一员。他们在弥漫性大B细胞淋巴瘤DLBCL的预后作用未知。

方法:对103例弥漫性大B细胞淋巴瘤患者的活检样本进行免疫组织化学染色,观察过氧化还原酶I,II,III,V和VI的表达。

结果:较强的过氧化还原酶VI的表达与B-症状的存在有关联。没有其他重要关联的传统危险因素。按五年存活期分析,在细胞质过氧化还原酶VI高表达的生存率为68.6%,相比于过氧化还原酶VI弱表达生存率为97.0%。在多变量分析中,胞质过氧化还原酶VI的高表达(HR 12.846,95%置信区间1.722-95.807,p = 0.013)是淋巴瘤-关联的死亡的风险因素。

结论:在预处理的弥漫性大B细胞淋巴瘤的样本中,细胞质过氧化还原酶VI的过表达预示着结局不佳。但是,过氧化还原酶VI是否与药物抗性相关,导致较差的结局,还需要进一步研究。如果过氧化还原酶VI是预测标志,并且已证明因果关系,研究过氧化还原酶IV成为治疗的靶标酶则很关键。

原始出处:

Kuusisto ME1, Haapasaari KM2, Turpeenniemi-Hujanen T1, Jantunen E3, Soini Y4, Peroja P1, Bloigu R5, Karihtala P1, Kuittinen O1.High intensity of cytoplasmic peroxiredoxin VI expression is associated with adverse outcome in diffuse large B-cell lymphoma independently of International Prognostic Index.J Clin Pathol. 2015 May 2. pii: jclinpath-2014-202771.

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    2015-09-24 yb6560
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    2015-05-10 cathymary
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    2015-05-08 huaxipanxing

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