Mad cow disease is caused by the misfolding of a small protein called Prion.

该病与羊瘙痒病具有同源性,它们与人类克-雅氏病(Creutzfeldt-Jakobdisease, CJD) 均是海绵状脑组织病变,由Prion蛋白引起.

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TCs of the fifth layer with short WIs contained large starch grains and small protein bodies.

第五层传递细胞具短的壁内突、较大的淀粉粒及许多小蛋白质体.

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