Decreased serum ceruloplasmin levels characteristically aggravate nigral iron deposition in parkinson 's disease .
帕金森病患者血清铜蓝蛋白水平下降可特征性地加剧黑质铁沉积。
The results of other tests , including the measurement of serum iron and ceruloplasmin concentrations , iron saturation , 24-hour urine copper levels and a pregnancy test , were unremarkable .