careful review of the otherwise unexplained abnormalities of cystic fibrosis from the perspective of cell biology reveals the following common features : ( 1 ) all these abnormalities involve proteins which are either ( a ) inserted into cell membranes in the rer and arrested after partial translocation or ( b ) inserted into rer membranes and fully translocated to be compartmentalized away from the cytosol in secretory vacuoles , lysosomes or peroxisomes ;
C0230779
rer
C1325633
rer membranes