they were found in high incidence and titre , and with specificity to the intermediate filament ( infil ) proteins vimentin ( 12 out of 15 with a titre higher than 1:10 ) and keratin ( 9 out of 15 with a titre higher than 1:10 ) as well as to speckled anti-nuclear antigens ( ana ) .
C0021769
intermediate filament
C0010803
keratin