in axoplasm , only the major 200,000 m ( r ) neurofilament protein and a specific protein of approximately 400,000 m ( r ) were labeled , as reported previously [ pant , h. c. , shecket , g. , gainer , h. & lasek , r. j . ( 1978 ) j. cell biol . 78 , r23-r27 ] .
C0027834
neurofilament
C0007634
cell