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Deficiency of the zinc finger protein ZPR1 causes neurodegeneration

机译:锌指蛋白ZPR1缺乏导致神经退行性变

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Mutations that cause reduced expression of the full-length Survival Motor Neurons (SMN) protein are a major cause of spinal muscular atrophy (SMA), a disease characterized by degeneration of the a-motor neurons in the anterior horn of the spinal cord. The severity of SMA may be influenced by the actions of modifier genes. One potential modifier gene is represented by ZPR1, which is down-regulated in patients with SMA and encodes a zinc finger protein that interacts with complexes formed by SMN. To test the functional significance of ZPR1 gene down-regulation, we examined a mouse model with targeted ablation of the Zpr1 gene. We report that ZPR1-deficient mice exhibit axonal pathology and neurodegeneration. These data identify ZPR1 deficiency as a contributing factor in neurodegenerative disorders.
机译:导致全长存活运动神经元(SMN)蛋白表达降低的突变是脊髓性肌萎缩症(SMA)的主要原因,该疾病的特征是脊髓前角的a运动神经元变性。 SMA的严重程度可能受到修饰基因作用的影响。 ZPR1代表了一种潜在的修饰基因,该基因在SMA患者中被下调,并编码与SMN形成的复合物相互作用的锌指蛋白。为了测试ZPR1基因下调的功能意义,我们检查了Zpr1基因靶向消融的小鼠模型。我们报告ZPR1缺陷小鼠表现出轴突病理和神经变性。这些数据确定ZPR1缺乏是神经退行性疾病的一个促成因素。

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