Propagation of transmissible spongiform encephalopathies is believed to involve the conversion of the cellular prion protein, PrPC, into a misfolded oligomeric form,PrPSc.

• 长久以来，系统生物学研究的终极目标在于理解生物体内部机制的运作，以获得所需的重要资讯并建构模型工具。