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Identification of gene microarray expression profiles in patients with chronic graft-versus-host disease following allogeneic hematopoietic cell transplantation

机译:异基因造血细胞移植后慢性移植物抗宿主病患者基因芯片表达谱的鉴定

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摘要

Chronic graft-versus-host disease (GVHD) results in significant morbidity and mortality, limiting the benefit of allogeneic hematopoietic cell transplantation (HCT). Peripheral blood gene expression profiling of the donor immune repertoire following HCT may provide associated genes and pathways thereby improving the pathophysiologic understanding of chronic GVHD. We profiled 70 patients and identified candidate genes that provided mechanistic insight in the biologic pathways that underlie chronic GVHD. Our data revealed that the dominant gene signature in patients with chronic GVHD represented compensatory responses that control inflammation and included the interleukin-1 decoy receptor, IL-1 receptor type II, and genes that were profibrotic and associated with the IL-4, IL-6 and IL-10 signaling pathways. In addition, we identified three genes that were important regulators of extracellular matrix. Validation of this discovery phase study will determine if the identified genes have diagnostic, prognostic or therapeutic implications.
机译:慢性移植物抗宿主病(GVHD)导致明显的发病率和死亡率,限制了同种异体造血细胞移植(HCT)的益处。 HCT后供体免疫功能表的外周血基因表达谱可提供相关的基因和途径,从而改善对慢性GVHD的病理生理学理解。我们对70例患者进行了分析,并确定了候选基因,这些基因为慢性GVHD的生物学途径提供了机械学见解。我们的数据显示,慢性GVHD患者的显性基因特征代表控制炎症的代偿反应,包括白介素1诱饵受体II型IL-1受体,以及与IL-4,IL- 6和IL-10信号通路。另外,我们鉴定了三个基因,它们是细胞外基质的重要调节剂。该发现阶段研究的有效性将确定所鉴定的基因是否具有诊断,预后或治疗意义。

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