Concentration change of catecholamine and leucine - enkephalin in sheep cerebrospinal fluid after apa microencapsulated bovine chromaffin cells transplantation to the spinal subarachnoid space 微囊化牛嗜铬细胞脑脊液亮氨酸脑啡肽和儿茶酚胺含量的变化
Somewhere along the road to malignancy , the same mutant transcription factor that had switched on the genes enabling the tumor cells to divide unchecked had apparently also switched on the genes needed to produce leu - enkephalin 在发展成为恶性肿瘤的过程中,同样的突变转录因子不仅激活了能够使癌细胞无限分裂下去的基因,而且同时激活了能产生亮氨酸脑啡肽的基因。