BECN1 and Wilson disease: To evaluate whether autophagy activation is required for the action of bFGF on myelin cleavage during WD, we analysed the expressing changes of the essential autophagy proteins, including ATG‐7, ATG‐5, Beclin‐1 and LC3, in sham, PNI and PNI + bFGF groups after 5 day post‐surgery via Western blotting.