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首页> 外文期刊>Cytokine >Gene expression profile of cytokines in patients with chronic graft-versus-host disease after allogeneic hematopoietic stem cell transplantation with reduced conditioning.
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Gene expression profile of cytokines in patients with chronic graft-versus-host disease after allogeneic hematopoietic stem cell transplantation with reduced conditioning.

机译:异体造血干细胞移植减少适应性后,慢性移植物抗宿主病患者细胞因子的基因表达谱。

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There are no reliable markers useful to predict the onset or the evolution of chronic graft-versus-host disease (cGVHD) after allogeneic hematopoietic stem cell transplantation (HSCT), although several candidate biomarkers have been identified from limited hypothesis-driven studies. In this study we evaluated 14 patients who received a reduced intensity conditioning HSCT. Seven patients had cGVHD, whereas 7 never developed cGVHD during the period of observation. The expression of 114 cytokines in immunoselected cell populations was explored by microarray analysis and 11 cytokines were selected for further evaluation by real-time PCR. Differential gene expression measurements showed a significant up-regulation for INFgamma (interferon, gamma) in CD8+ and for TNFSF3 (tumor necrosis factor superfamily, member 3) and for TNFSF10 (tumor necrosis factor superfamily, member 10) in CD14+ cell population when comparing cGVHD with control samples. The expression levels were significantly decreased for TNFSF10 in CD8+ cell population and for TNFSF12 (tumor necrosis factor superfamily, member 12) and for PDGFbeta (platelet-derived growth factor, beta) in CD4+. Our data seem to suggest that different immune populations can play a role in cGVHD pathogenesis and the early detection of gene expression profile in these patients could be useful in the monitoring of GVHD. We hypothesized that PDGFbeta down-regulation could represent a negative feedback to compensate for enhanced expression of its receptor recently reported.
机译:尽管已经从有限的假设驱动的研究中鉴定出了几种候选生物标志物,但没有可靠的标志物可用于预测异基因造血干细胞移植(HSCT)后慢性移植物抗宿主病(cGVHD)的发作或演变。在这项研究中,我们评估了14例接受强度降低的HSCT的患者。 7名患者有cGVHD,而7名患者在观察期间从未出现cGVHD。通过微阵列分析探索了114种细胞因子在免疫选择的细胞群中的表达,并选择了11种细胞因子进行实时PCR进一步评估。比较cGVHD时,差异基因表达测量结果显示CD8 +和SFSF3(肿瘤坏死因子超家族,成员3)和TNFSF10(肿瘤坏死因子超家族,成员10)中CD8 +的INFgamma(干扰素,γ)和TNFSF10(肿瘤坏死因子超家族,成员10)显着上调。与对照样品。 CD8 +细胞群中的TNFSF10和TNFSF12(肿瘤坏死因子超家族,成员12)和CD4 +中的PDGFbeta(血小板衍生的生长因子,β)的表达水平显着降低。我们的数据似乎表明,不同的免疫群体可在cGVHD发病机理中发挥作用,并且在这些患者中早期检测基因表达谱可用于监测GVHD。我们假设PDGFbeta下调可能代表负反馈,以补偿其最近报道的受体表达的增强。

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