丘脑是大脑中负责睡眠调控的部分，致死性家族性失眠症正是由于一种异常蛋白质“朊蛋白”在丘脑中的累积产生的。
F.F.I. is caused by anaccumulation within the thalamus — the part of the brain that controlssleep regulation — of abnormal proteins called “prions.”
结论：朊蛋白106 - 126肽段能够诱导分化后的PC 12细胞凋亡，具有明确的毒性作用。
Conclusion Prion protein 106-126 peptide can induce apoptosis in differentiated PC12 cells and present cellular toxicity definitely.
人类的头发主要由一种叫角朊的蛋白质组成，并含有水分及在身体其他部分也可找到的微量金属和矿物质。
A human hair consists mainly of a protein called Keratin. It also contains some moisture and the trace metals and minerals found in the rest of the body.
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